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-rw-r--r--arch/Kconfig67
-rw-r--r--arch/alpha/include/asm/barrier.h25
-rw-r--r--arch/alpha/kernel/pci-sysfs.c4
-rw-r--r--arch/alpha/kernel/pci_iommu.c2
-rw-r--r--arch/arc/Kconfig1
-rw-r--r--arch/arc/include/asm/Kbuild1
-rw-r--r--arch/arc/include/asm/atomic.h5
-rw-r--r--arch/arc/include/asm/barrier.h5
-rw-r--r--arch/arc/include/uapi/asm/unistd.h11
-rw-r--r--arch/arc/kernel/perf_event.c4
-rw-r--r--arch/arm/Kconfig18
-rw-r--r--arch/arm/Makefile4
-rw-r--r--arch/arm/boot/compressed/misc.c14
-rw-r--r--arch/arm/boot/dts/am335x-base0033.dts79
-rw-r--r--arch/arm/boot/dts/am335x-igep0033.dtsi29
-rw-r--r--arch/arm/boot/dts/am3517-evm.dts6
-rw-r--r--arch/arm/boot/dts/am3517.dtsi63
-rw-r--r--arch/arm/boot/dts/armada-370-db.dts28
-rw-r--r--arch/arm/boot/dts/armada-370-xp.dtsi4
-rw-r--r--arch/arm/boot/dts/armada-xp-mv78230.dtsi24
-rw-r--r--arch/arm/boot/dts/armada-xp-mv78260.dtsi109
-rw-r--r--arch/arm/boot/dts/at91sam9x5_usart3.dtsi4
-rw-r--r--arch/arm/boot/dts/bcm11351.dtsi4
-rw-r--r--arch/arm/boot/dts/exynos5250.dtsi2
-rw-r--r--arch/arm/boot/dts/omap-gpmc-smsc911x.dtsi4
-rw-r--r--arch/arm/boot/dts/omap3-beagle-xm.dts7
-rw-r--r--arch/arm/boot/dts/omap3-beagle.dts21
-rw-r--r--arch/arm/boot/dts/omap3-igep.dtsi85
-rw-r--r--arch/arm/boot/dts/omap3-igep0020.dts50
-rw-r--r--arch/arm/boot/dts/omap3-igep0030.dts4
-rw-r--r--arch/arm/boot/dts/omap3-n900.dts25
-rw-r--r--arch/arm/boot/dts/omap3-n950-n9.dtsi2
-rw-r--r--arch/arm/boot/dts/omap3.dtsi42
-rw-r--r--arch/arm/boot/dts/omap34xx-hs.dtsi16
-rw-r--r--arch/arm/boot/dts/omap36xx-hs.dtsi16
-rw-r--r--arch/arm/boot/dts/omap4-panda-common.dtsi20
-rw-r--r--arch/arm/boot/dts/omap4-sdp.dts12
-rw-r--r--arch/arm/boot/dts/r8a7790.dtsi28
-rw-r--r--arch/arm/boot/dts/socfpga.dtsi7
-rw-r--r--arch/arm/boot/dts/sun5i-a10s.dtsi7
-rw-r--r--arch/arm/boot/dts/sun5i-a13.dtsi7
-rw-r--r--arch/arm/boot/dts/sun6i-a31.dtsi27
-rw-r--r--arch/arm/boot/dts/sun7i-a20.dtsi52
-rw-r--r--arch/arm/boot/dts/tegra20-colibri-512.dtsi4
-rw-r--r--arch/arm/common/it8152.c4
-rw-r--r--arch/arm/configs/bcm_defconfig1
-rw-r--r--arch/arm/configs/multi_v7_defconfig3
-rw-r--r--arch/arm/configs/omap2plus_defconfig1
-rw-r--r--arch/arm/configs/sunxi_defconfig7
-rw-r--r--arch/arm/configs/u8500_defconfig3
-rw-r--r--arch/arm/crypto/aesbs-core.S_shipped2
-rw-r--r--arch/arm/crypto/bsaes-armv7.pl2
-rw-r--r--arch/arm/include/asm/barrier.h15
-rw-r--r--arch/arm/include/asm/dma.h4
-rw-r--r--arch/arm/include/asm/io.h2
-rw-r--r--arch/arm/include/asm/memory.h34
-rw-r--r--arch/arm/include/asm/pgtable.h2
-rw-r--r--arch/arm/include/asm/unistd.h2
-rw-r--r--arch/arm/include/asm/xen/page.h2
-rw-r--r--arch/arm/include/uapi/asm/unistd.h2
-rw-r--r--arch/arm/kernel/calls.S2
-rw-r--r--arch/arm/kernel/devtree.c4
-rw-r--r--arch/arm/kernel/head-nommu.S4
-rw-r--r--arch/arm/kernel/head.S2
-rw-r--r--arch/arm/kernel/machine_kexec.c17
-rw-r--r--arch/arm/kernel/perf_event.c4
-rw-r--r--arch/arm/kernel/perf_event_cpu.c2
-rw-r--r--arch/arm/kernel/process.c7
-rw-r--r--arch/arm/kernel/relocate_kernel.S8
-rw-r--r--arch/arm/kernel/setup.c5
-rw-r--r--arch/arm/kernel/sigreturn_codes.S40
-rw-r--r--arch/arm/kernel/stacktrace.c2
-rw-r--r--arch/arm/kernel/traps.c16
-rw-r--r--arch/arm/kvm/arm.c30
-rw-r--r--arch/arm/lib/delay-loop.S1
-rw-r--r--arch/arm/mach-at91/Kconfig.non_dt2
-rw-r--r--arch/arm/mach-at91/at91rm9200_time.c7
-rw-r--r--arch/arm/mach-at91/pm.h4
-rw-r--r--arch/arm/mach-at91/sama5d3.c6
-rw-r--r--arch/arm/mach-bcm/Kconfig1
-rw-r--r--arch/arm/mach-clps711x/devices.c21
-rw-r--r--arch/arm/mach-davinci/devices-da8xx.c4
-rw-r--r--arch/arm/mach-davinci/dm355.c3
-rw-r--r--arch/arm/mach-davinci/dm365.c3
-rw-r--r--arch/arm/mach-davinci/dm644x.c3
-rw-r--r--arch/arm/mach-davinci/dm646x.c6
-rw-r--r--arch/arm/mach-footbridge/common.c3
-rw-r--r--arch/arm/mach-footbridge/dc21285-timer.c5
-rw-r--r--arch/arm/mach-footbridge/dc21285.c2
-rw-r--r--arch/arm/mach-footbridge/ebsa285.c22
-rw-r--r--arch/arm/mach-highbank/highbank.c24
-rw-r--r--arch/arm/mach-imx/mach-pca100.c2
-rw-r--r--arch/arm/mach-ixp4xx/common-pci.c6
-rw-r--r--arch/arm/mach-ixp4xx/common.c2
-rw-r--r--arch/arm/mach-ks8695/include/mach/gpio.h19
-rw-r--r--arch/arm/mach-lpc32xx/include/mach/gpio-lpc32xx.h50
-rw-r--r--arch/arm/mach-lpc32xx/include/mach/gpio.h6
-rw-r--r--arch/arm/mach-lpc32xx/phy3250.c2
-rw-r--r--arch/arm/mach-mv78xx0/include/mach/gpio.h9
-rw-r--r--arch/arm/mach-omap1/include/mach/usb.h38
-rw-r--r--arch/arm/mach-omap2/board-generic.c18
-rw-r--r--arch/arm/mach-omap2/board-ldp.c7
-rw-r--r--arch/arm/mach-omap2/display.c38
-rw-r--r--arch/arm/mach-omap2/dss-common.c2
-rw-r--r--arch/arm/mach-omap2/omap4-common.c1
-rw-r--r--arch/arm/mach-omap2/omap_device.c24
-rw-r--r--arch/arm/mach-omap2/omap_device.h1
-rw-r--r--arch/arm/mach-omap2/omap_hwmod.c151
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c4
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_3xxx_data.c19
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_44xx_data.c12
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_54xx_data.c13
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_7xx_data.c2
-rw-r--r--arch/arm/mach-omap2/pdata-quirks.c1
-rw-r--r--arch/arm/mach-omap2/powerdomain.c3
-rw-r--r--arch/arm/mach-pxa/include/mach/lubbock.h2
-rw-r--r--arch/arm/mach-pxa/reset.c8
-rw-r--r--arch/arm/mach-pxa/tosa.c102
-rw-r--r--arch/arm/mach-s3c24xx/Kconfig21
-rw-r--r--arch/arm/mach-s3c24xx/common-smdk.c2
-rw-r--r--arch/arm/mach-s3c24xx/h1940-bluetooth.c2
-rw-r--r--arch/arm/mach-s3c24xx/include/mach/gpio-samsung.h (renamed from arch/arm/mach-s3c24xx/include/mach/gpio.h)26
-rw-r--r--arch/arm/mach-s3c24xx/mach-amlm5900.c1
-rw-r--r--arch/arm/mach-s3c24xx/mach-anubis.c1
-rw-r--r--arch/arm/mach-s3c24xx/mach-at2440evb.c1
-rw-r--r--arch/arm/mach-s3c24xx/mach-bast.c1
-rw-r--r--arch/arm/mach-s3c24xx/mach-gta02.c1
-rw-r--r--arch/arm/mach-s3c24xx/mach-h1940.c1
-rw-r--r--arch/arm/mach-s3c24xx/mach-jive.c1
-rw-r--r--arch/arm/mach-s3c24xx/mach-mini2440.c1
-rw-r--r--arch/arm/mach-s3c24xx/mach-n30.c1
-rw-r--r--arch/arm/mach-s3c24xx/mach-nexcoder.c1
-rw-r--r--arch/arm/mach-s3c24xx/mach-osiris-dvs.c1
-rw-r--r--arch/arm/mach-s3c24xx/mach-osiris.c1
-rw-r--r--arch/arm/mach-s3c24xx/mach-qt2410.c1
-rw-r--r--arch/arm/mach-s3c24xx/mach-rx1950.c2
-rw-r--r--arch/arm/mach-s3c24xx/mach-rx3715.c1
-rw-r--r--arch/arm/mach-s3c24xx/mach-smdk2413.c1
-rw-r--r--arch/arm/mach-s3c24xx/mach-smdk2416.c1
-rw-r--r--arch/arm/mach-s3c24xx/mach-vr1000.c1
-rw-r--r--arch/arm/mach-s3c24xx/pm-s3c2410.c2
-rw-r--r--arch/arm/mach-s3c24xx/pm.c1
-rw-r--r--arch/arm/mach-s3c24xx/s3c2410.c1
-rw-r--r--arch/arm/mach-s3c24xx/s3c2416.c1
-rw-r--r--arch/arm/mach-s3c24xx/s3c2440.c1
-rw-r--r--arch/arm/mach-s3c24xx/s3c2442.c1
-rw-r--r--arch/arm/mach-s3c24xx/s3c2443.c1
-rw-r--r--arch/arm/mach-s3c24xx/setup-i2c.c1
-rw-r--r--arch/arm/mach-s3c24xx/setup-sdhci-gpio.c1
-rw-r--r--arch/arm/mach-s3c24xx/setup-ts.c2
-rw-r--r--arch/arm/mach-s3c24xx/simtec-usb.c1
-rw-r--r--arch/arm/mach-s3c64xx/Kconfig10
-rw-r--r--arch/arm/mach-s3c64xx/Makefile2
-rw-r--r--arch/arm/mach-s3c64xx/common.c1
-rw-r--r--arch/arm/mach-s3c64xx/common.h5
-rw-r--r--arch/arm/mach-s3c64xx/crag6410.h2
-rw-r--r--arch/arm/mach-s3c64xx/dev-audio.c1
-rw-r--r--arch/arm/mach-s3c64xx/dma.c762
-rw-r--r--arch/arm/mach-s3c64xx/include/mach/dma.h144
-rw-r--r--arch/arm/mach-s3c64xx/include/mach/gpio-samsung.h (renamed from arch/arm/mach-s3c64xx/include/mach/gpio.h)9
-rw-r--r--arch/arm/mach-s3c64xx/mach-anw6410.c1
-rw-r--r--arch/arm/mach-s3c64xx/mach-crag6410.c2
-rw-r--r--arch/arm/mach-s3c64xx/mach-hmt.c1
-rw-r--r--arch/arm/mach-s3c64xx/mach-mini6410.c1
-rw-r--r--arch/arm/mach-s3c64xx/mach-real6410.c1
-rw-r--r--arch/arm/mach-s3c64xx/mach-s3c64xx-dt.c11
-rw-r--r--arch/arm/mach-s3c64xx/mach-smartq.c1
-rw-r--r--arch/arm/mach-s3c64xx/mach-smartq5.c1
-rw-r--r--arch/arm/mach-s3c64xx/mach-smartq7.c1
-rw-r--r--arch/arm/mach-s3c64xx/mach-smdk6400.c1
-rw-r--r--arch/arm/mach-s3c64xx/mach-smdk6410.c1
-rw-r--r--arch/arm/mach-s3c64xx/pl080.c244
-rw-r--r--arch/arm/mach-s3c64xx/pm.c1
-rw-r--r--arch/arm/mach-s3c64xx/setup-fb-24bpp.c1
-rw-r--r--arch/arm/mach-s3c64xx/setup-i2c0.c1
-rw-r--r--arch/arm/mach-s3c64xx/setup-i2c1.c1
-rw-r--r--arch/arm/mach-s3c64xx/setup-ide.c1
-rw-r--r--arch/arm/mach-s3c64xx/setup-keypad.c1
-rw-r--r--arch/arm/mach-s3c64xx/setup-sdhci-gpio.c1
-rw-r--r--arch/arm/mach-s3c64xx/setup-spi.c1
-rw-r--r--arch/arm/mach-shmobile/board-armadillo800eva.c11
-rw-r--r--arch/arm/mach-shmobile/board-bockw.c2
-rw-r--r--arch/arm/mach-shmobile/board-kzm9g.c2
-rw-r--r--arch/arm/mach-shmobile/board-lager.c4
-rw-r--r--arch/arm/mach-shmobile/board-mackerel.c4
-rw-r--r--arch/arm/mach-socfpga/Kconfig1
-rw-r--r--arch/arm/mach-sunxi/Kconfig1
-rw-r--r--arch/arm/mach-tegra/board-paz00.c11
-rw-r--r--arch/arm/mach-tegra/fuse.c2
-rw-r--r--arch/arm/mach-ux500/board-mop500-audio.c8
-rw-r--r--arch/arm/mach-ux500/cpu-db8500.c4
-rw-r--r--arch/arm/mm/dma-mapping.c88
-rw-r--r--arch/arm/mm/flush.c6
-rw-r--r--arch/arm/mm/init.c5
-rw-r--r--arch/arm/mm/mmap.c2
-rw-r--r--arch/arm/mm/pgd.c3
-rw-r--r--arch/arm/net/bpf_jit_32.c6
-rw-r--r--arch/arm/plat-omap/include/plat/dmtimer.h5
-rw-r--r--arch/arm/plat-samsung/devs.c10
-rw-r--r--arch/arm/plat-samsung/dma-ops.c8
-rw-r--r--arch/arm/plat-samsung/include/plat/regs-ata.h56
-rw-r--r--arch/arm/plat-samsung/pm-gpio.c4
-rw-r--r--arch/arm/plat-samsung/setup-camif.c1
-rw-r--r--arch/arm/xen/enlighten.c6
-rw-r--r--arch/arm/xen/p2m.c5
-rw-r--r--arch/arm64/Kconfig30
-rw-r--r--arch/arm64/boot/dts/foundation-v8.dts2
-rw-r--r--arch/arm64/boot/dts/rtsm_ve-motherboard.dtsi6
-rw-r--r--arch/arm64/include/asm/Kbuild1
-rw-r--r--arch/arm64/include/asm/barrier.h50
-rw-r--r--arch/arm64/include/asm/cmpxchg.h28
-rw-r--r--arch/arm64/include/asm/cpu_ops.h6
-rw-r--r--arch/arm64/include/asm/cputype.h28
-rw-r--r--arch/arm64/include/asm/debug-monitors.h21
-rw-r--r--arch/arm64/include/asm/dma-contiguous.h29
-rw-r--r--arch/arm64/include/asm/futex.h1
-rw-r--r--arch/arm64/include/asm/hardirq.h2
-rw-r--r--arch/arm64/include/asm/insn.h108
-rw-r--r--arch/arm64/include/asm/jump_label.h52
-rw-r--r--arch/arm64/include/asm/memory.h3
-rw-r--r--arch/arm64/include/asm/percpu.h41
-rw-r--r--arch/arm64/include/asm/pgtable-hwdef.h2
-rw-r--r--arch/arm64/include/asm/proc-fns.h3
-rw-r--r--arch/arm64/include/asm/smp_plat.h13
-rw-r--r--arch/arm64/include/asm/suspend.h27
-rw-r--r--arch/arm64/include/asm/uaccess.h25
-rw-r--r--arch/arm64/include/asm/word-at-a-time.h94
-rw-r--r--arch/arm64/include/asm/xen/page-coherent.h4
-rw-r--r--arch/arm64/include/uapi/asm/hwcap.h6
-rw-r--r--arch/arm64/kernel/Makefile4
-rw-r--r--arch/arm64/kernel/arm64ksyms.c5
-rw-r--r--arch/arm64/kernel/asm-offsets.c11
-rw-r--r--arch/arm64/kernel/debug-monitors.c88
-rw-r--r--arch/arm64/kernel/entry.S4
-rw-r--r--arch/arm64/kernel/fpsimd.c36
-rw-r--r--arch/arm64/kernel/head.S13
-rw-r--r--arch/arm64/kernel/hw_breakpoint.c203
-rw-r--r--arch/arm64/kernel/insn.c304
-rw-r--r--arch/arm64/kernel/jump_label.c58
-rw-r--r--arch/arm64/kernel/module.c157
-rw-r--r--arch/arm64/kernel/perf_event.c108
-rw-r--r--arch/arm64/kernel/process.c14
-rw-r--r--arch/arm64/kernel/ptrace.c38
-rw-r--r--arch/arm64/kernel/setup.c122
-rw-r--r--arch/arm64/kernel/sleep.S184
-rw-r--r--arch/arm64/kernel/smp.c23
-rw-r--r--arch/arm64/kernel/stacktrace.c2
-rw-r--r--arch/arm64/kernel/suspend.c132
-rw-r--r--arch/arm64/kernel/vmlinux.lds.S3
-rw-r--r--arch/arm64/kvm/handle_exit.c2
-rw-r--r--arch/arm64/lib/Makefile8
-rw-r--r--arch/arm64/lib/strncpy_from_user.S50
-rw-r--r--arch/arm64/lib/strnlen_user.S47
-rw-r--r--arch/arm64/mm/dma-mapping.c35
-rw-r--r--arch/arm64/mm/init.c3
-rw-r--r--arch/arm64/mm/proc.S71
-rw-r--r--arch/avr32/boards/favr-32/setup.c4
-rw-r--r--arch/avr32/configs/atngw100_defconfig1
-rw-r--r--arch/avr32/configs/atngw100_evklcd100_defconfig1
-rw-r--r--arch/avr32/configs/atngw100_evklcd101_defconfig1
-rw-r--r--arch/avr32/configs/atngw100_mrmt_defconfig1
-rw-r--r--arch/avr32/configs/atngw100mkii_defconfig1
-rw-r--r--arch/avr32/configs/atngw100mkii_evklcd100_defconfig1
-rw-r--r--arch/avr32/configs/atngw100mkii_evklcd101_defconfig1
-rw-r--r--arch/avr32/configs/atstk1002_defconfig1
-rw-r--r--arch/avr32/configs/atstk1003_defconfig1
-rw-r--r--arch/avr32/configs/atstk1004_defconfig1
-rw-r--r--arch/avr32/configs/atstk1006_defconfig1
-rw-r--r--arch/avr32/configs/favr-32_defconfig1
-rw-r--r--arch/avr32/configs/hammerhead_defconfig1
-rw-r--r--arch/avr32/configs/merisc_defconfig1
-rw-r--r--arch/avr32/configs/mimc200_defconfig1
-rw-r--r--arch/avr32/include/asm/barrier.h17
-rw-r--r--arch/avr32/kernel/time.c2
-rw-r--r--arch/avr32/mach-at32ap/pm.c2
-rw-r--r--arch/blackfin/include/asm/barrier.h18
-rw-r--r--arch/cris/include/asm/Kbuild1
-rw-r--r--arch/cris/include/asm/barrier.h25
-rw-r--r--arch/frv/include/asm/barrier.h8
-rw-r--r--arch/hexagon/include/asm/Kbuild1
-rw-r--r--arch/hexagon/include/asm/atomic.h6
-rw-r--r--arch/hexagon/include/asm/barrier.h4
-rw-r--r--arch/ia64/Kconfig12
-rw-r--r--arch/ia64/Makefile2
-rw-r--r--arch/ia64/configs/xen_domu_defconfig199
-rw-r--r--arch/ia64/hp/common/sba_iommu.c2
-rw-r--r--arch/ia64/include/asm/acpi.h2
-rw-r--r--arch/ia64/include/asm/barrier.h23
-rw-r--r--arch/ia64/include/asm/machvec.h2
-rw-r--r--arch/ia64/include/asm/machvec_xen.h22
-rw-r--r--arch/ia64/include/asm/meminit.h1
-rw-r--r--arch/ia64/include/asm/paravirt.h1
-rw-r--r--arch/ia64/include/asm/pvclock-abi.h2
-rw-r--r--arch/ia64/include/asm/sync_bitops.h51
-rw-r--r--arch/ia64/include/asm/xen/events.h41
-rw-r--r--arch/ia64/include/asm/xen/hypercall.h265
-rw-r--r--arch/ia64/include/asm/xen/hypervisor.h61
-rw-r--r--arch/ia64/include/asm/xen/inst.h486
-rw-r--r--arch/ia64/include/asm/xen/interface.h363
-rw-r--r--arch/ia64/include/asm/xen/irq.h44
-rw-r--r--arch/ia64/include/asm/xen/minstate.h143
-rw-r--r--arch/ia64/include/asm/xen/page-coherent.h38
-rw-r--r--arch/ia64/include/asm/xen/page.h65
-rw-r--r--arch/ia64/include/asm/xen/patchlist.h38
-rw-r--r--arch/ia64/include/asm/xen/privop.h135
-rw-r--r--arch/ia64/include/asm/xen/xcom_hcall.h51
-rw-r--r--arch/ia64/include/asm/xen/xencomm.h42
-rw-r--r--arch/ia64/include/uapi/asm/break.h9
-rw-r--r--arch/ia64/kernel/acpi.c3
-rw-r--r--arch/ia64/kernel/asm-offsets.c32
-rw-r--r--arch/ia64/kernel/head.S3
-rw-r--r--arch/ia64/kernel/nr-irqs.c4
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-rw-r--r--arch/x86/kernel/cpu/mcheck/mce.c12
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce_intel.c1
-rw-r--r--arch/x86/kernel/cpu/mcheck/p5.c1
-rw-r--r--arch/x86/kernel/cpu/mcheck/winchip.c1
-rw-r--r--arch/x86/kernel/cpu/microcode/Makefile7
-rw-r--r--arch/x86/kernel/cpu/microcode/amd.c (renamed from arch/x86/kernel/microcode_amd.c)15
-rw-r--r--arch/x86/kernel/cpu/microcode/amd_early.c (renamed from arch/x86/kernel/microcode_amd_early.c)239
-rw-r--r--arch/x86/kernel/cpu/microcode/core.c (renamed from arch/x86/kernel/microcode_core.c)0
-rw-r--r--arch/x86/kernel/cpu/microcode/core_early.c (renamed from arch/x86/kernel/microcode_core_early.c)0
-rw-r--r--arch/x86/kernel/cpu/microcode/intel.c (renamed from arch/x86/kernel/microcode_intel.c)2
-rw-r--r--arch/x86/kernel/cpu/microcode/intel_early.c (renamed from arch/x86/kernel/microcode_intel_early.c)10
-rw-r--r--arch/x86/kernel/cpu/microcode/intel_lib.c (renamed from arch/x86/kernel/microcode_intel_lib.c)0
-rw-r--r--arch/x86/kernel/cpu/perf_event.c16
-rw-r--r--arch/x86/kernel/cpu/perf_event.h15
-rw-r--r--arch/x86/kernel/cpu/perf_event_amd_ibs.c53
-rw-r--r--arch/x86/kernel/cpu/perf_event_intel_rapl.c679
-rw-r--r--arch/x86/kernel/cpu/rdrand.c14
-rw-r--r--arch/x86/kernel/cpu/transmeta.c1
-rw-r--r--arch/x86/kernel/cpu/umc.c1
-rw-r--r--arch/x86/kernel/crash.c1
-rw-r--r--arch/x86/kernel/doublefault.c1
-rw-r--r--arch/x86/kernel/e820.c2
-rw-r--r--arch/x86/kernel/entry_32.S4
-rw-r--r--arch/x86/kernel/entry_64.S2
-rw-r--r--arch/x86/kernel/hw_breakpoint.c1
-rw-r--r--arch/x86/kernel/iosf_mbi.c226
-rw-r--r--arch/x86/kernel/irq.c89
-rw-r--r--arch/x86/kernel/irqinit.c4
-rw-r--r--arch/x86/kernel/kgdb.c1
-rw-r--r--arch/x86/kernel/ksysfs.c340
-rw-r--r--arch/x86/kernel/machine_kexec_32.c1
-rw-r--r--arch/x86/kernel/pci-nommu.c1
-rw-r--r--arch/x86/kernel/process_32.c1
-rw-r--r--arch/x86/kernel/reboot.c11
-rw-r--r--arch/x86/kernel/setup.c54
-rw-r--r--arch/x86/kernel/smpboot.c8
-rw-r--r--arch/x86/kernel/traps.c22
-rw-r--r--arch/x86/kernel/tsc.c328
-rw-r--r--arch/x86/kernel/tsc_msr.c127
-rw-r--r--arch/x86/kernel/tsc_sync.c1
-rw-r--r--arch/x86/kernel/x86_init.c4
-rw-r--r--arch/x86/kvm/lapic.c45
-rw-r--r--arch/x86/kvm/lapic.h4
-rw-r--r--arch/x86/kvm/vmx.c3
-rw-r--r--arch/x86/kvm/x86.c40
-rw-r--r--arch/x86/lib/copy_user_64.S12
-rw-r--r--arch/x86/lib/delay.c1
-rw-r--r--arch/x86/lib/x86-opcode-map.txt4
-rw-r--r--arch/x86/mm/fault.c18
-rw-r--r--arch/x86/mm/gup.c13
-rw-r--r--arch/x86/mm/hugetlbpage.c9
-rw-r--r--arch/x86/mm/init_32.c5
-rw-r--r--arch/x86/mm/init_64.c2
-rw-r--r--arch/x86/mm/kmmio.c1
-rw-r--r--arch/x86/mm/memtest.c2
-rw-r--r--arch/x86/mm/numa.c62
-rw-r--r--arch/x86/mm/pageattr-test.c1
-rw-r--r--arch/x86/mm/pageattr.c461
-rw-r--r--arch/x86/mm/srat.c5
-rw-r--r--arch/x86/net/bpf_jit_comp.c14
-rw-r--r--arch/x86/pci/fixup.c1
-rw-r--r--arch/x86/pci/intel_mid_pci.c6
-rw-r--r--arch/x86/pci/xen.c2
-rw-r--r--arch/x86/platform/efi/early_printk.c2
-rw-r--r--arch/x86/platform/efi/efi.c362
-rw-r--r--arch/x86/platform/efi/efi_32.c12
-rw-r--r--arch/x86/platform/efi/efi_64.c120
-rw-r--r--arch/x86/platform/efi/efi_stub_64.S54
-rw-r--r--arch/x86/platform/intel-mid/Makefile4
-rw-r--r--arch/x86/platform/intel-mid/device_libs/platform_emc1403.c4
-rw-r--r--arch/x86/platform/intel-mid/device_libs/platform_gpio_keys.c2
-rw-r--r--arch/x86/platform/intel-mid/device_libs/platform_lis331.c4
-rw-r--r--arch/x86/platform/intel-mid/device_libs/platform_max7315.c2
-rw-r--r--arch/x86/platform/intel-mid/device_libs/platform_mpu3050.c2
-rw-r--r--arch/x86/platform/intel-mid/device_libs/platform_pmic_gpio.c2
-rw-r--r--arch/x86/platform/intel-mid/device_libs/platform_tca6416.c4
-rw-r--r--arch/x86/platform/intel-mid/early_printk_intel_mid.c1
-rw-r--r--arch/x86/platform/intel-mid/intel-mid.c64
-rw-r--r--arch/x86/platform/intel-mid/intel_mid_weak_decls.h19
-rw-r--r--arch/x86/platform/intel-mid/mfld.c75
-rw-r--r--arch/x86/platform/intel-mid/mrfl.c103
-rw-r--r--arch/x86/platform/intel-mid/sfi.c46
-rw-r--r--arch/x86/platform/iris/iris.c1
-rw-r--r--arch/x86/platform/uv/tlb_uv.c71
-rw-r--r--arch/x86/realmode/init.c26
-rw-r--r--arch/x86/realmode/rm/Makefile3
-rw-r--r--arch/x86/realmode/rm/reboot.S1
-rw-r--r--arch/x86/realmode/rm/trampoline_32.S1
-rw-r--r--arch/x86/realmode/rm/trampoline_64.S1
-rw-r--r--arch/x86/syscalls/syscall_32.tbl2
-rw-r--r--arch/x86/syscalls/syscall_64.tbl2
-rw-r--r--arch/x86/tools/relocs.c20
-rw-r--r--arch/x86/vdso/vclock_gettime.c8
-rw-r--r--arch/x86/vdso/vdso.S1
-rw-r--r--arch/x86/vdso/vdsox32.S1
-rw-r--r--arch/xtensa/Kconfig6
-rw-r--r--arch/xtensa/include/asm/barrier.h9
755 files changed, 13740 insertions, 10634 deletions
diff --git a/arch/Kconfig b/arch/Kconfig
index f1cf895c040..80bbb8ccd0d 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -336,6 +336,73 @@ config SECCOMP_FILTER
See Documentation/prctl/seccomp_filter.txt for details.
+config HAVE_CC_STACKPROTECTOR
+ bool
+ help
+ An arch should select this symbol if:
+ - its compiler supports the -fstack-protector option
+ - it has implemented a stack canary (e.g. __stack_chk_guard)
+
+config CC_STACKPROTECTOR
+ def_bool n
+ help
+ Set when a stack-protector mode is enabled, so that the build
+ can enable kernel-side support for the GCC feature.
+
+choice
+ prompt "Stack Protector buffer overflow detection"
+ depends on HAVE_CC_STACKPROTECTOR
+ default CC_STACKPROTECTOR_NONE
+ help
+ This option turns on the "stack-protector" GCC feature. This
+ feature puts, at the beginning of functions, a canary value on
+ the stack just before the return address, and validates
+ the value just before actually returning. Stack based buffer
+ overflows (that need to overwrite this return address) now also
+ overwrite the canary, which gets detected and the attack is then
+ neutralized via a kernel panic.
+
+config CC_STACKPROTECTOR_NONE
+ bool "None"
+ help
+ Disable "stack-protector" GCC feature.
+
+config CC_STACKPROTECTOR_REGULAR
+ bool "Regular"
+ select CC_STACKPROTECTOR
+ help
+ Functions will have the stack-protector canary logic added if they
+ have an 8-byte or larger character array on the stack.
+
+ This feature requires gcc version 4.2 or above, or a distribution
+ gcc with the feature backported ("-fstack-protector").
+
+ On an x86 "defconfig" build, this feature adds canary checks to
+ about 3% of all kernel functions, which increases kernel code size
+ by about 0.3%.
+
+config CC_STACKPROTECTOR_STRONG
+ bool "Strong"
+ select CC_STACKPROTECTOR
+ help
+ Functions will have the stack-protector canary logic added in any
+ of the following conditions:
+
+ - local variable's address used as part of the right hand side of an
+ assignment or function argument
+ - local variable is an array (or union containing an array),
+ regardless of array type or length
+ - uses register local variables
+
+ This feature requires gcc version 4.9 or above, or a distribution
+ gcc with the feature backported ("-fstack-protector-strong").
+
+ On an x86 "defconfig" build, this feature adds canary checks to
+ about 20% of all kernel functions, which increases the kernel code
+ size by about 2%.
+
+endchoice
+
config HAVE_CONTEXT_TRACKING
bool
help
diff --git a/arch/alpha/include/asm/barrier.h b/arch/alpha/include/asm/barrier.h
index ce8860a0b32..3832bdb794f 100644
--- a/arch/alpha/include/asm/barrier.h
+++ b/arch/alpha/include/asm/barrier.h
@@ -3,33 +3,18 @@
#include <asm/compiler.h>
-#define mb() \
-__asm__ __volatile__("mb": : :"memory")
+#define mb() __asm__ __volatile__("mb": : :"memory")
+#define rmb() __asm__ __volatile__("mb": : :"memory")
+#define wmb() __asm__ __volatile__("wmb": : :"memory")
-#define rmb() \
-__asm__ __volatile__("mb": : :"memory")
-
-#define wmb() \
-__asm__ __volatile__("wmb": : :"memory")
-
-#define read_barrier_depends() \
-__asm__ __volatile__("mb": : :"memory")
+#define read_barrier_depends() __asm__ __volatile__("mb": : :"memory")
#ifdef CONFIG_SMP
#define __ASM_SMP_MB "\tmb\n"
-#define smp_mb() mb()
-#define smp_rmb() rmb()
-#define smp_wmb() wmb()
-#define smp_read_barrier_depends() read_barrier_depends()
#else
#define __ASM_SMP_MB
-#define smp_mb() barrier()
-#define smp_rmb() barrier()
-#define smp_wmb() barrier()
-#define smp_read_barrier_depends() do { } while (0)
#endif
-#define set_mb(var, value) \
-do { var = value; mb(); } while (0)
+#include <asm-generic/barrier.h>
#endif /* __BARRIER_H */
diff --git a/arch/alpha/kernel/pci-sysfs.c b/arch/alpha/kernel/pci-sysfs.c
index 2b183b0d320..99e8d4796c9 100644
--- a/arch/alpha/kernel/pci-sysfs.c
+++ b/arch/alpha/kernel/pci-sysfs.c
@@ -83,7 +83,7 @@ static int pci_mmap_resource(struct kobject *kobj,
if (iomem_is_exclusive(res->start))
return -EINVAL;
- pcibios_resource_to_bus(pdev, &bar, res);
+ pcibios_resource_to_bus(pdev->bus, &bar, res);
vma->vm_pgoff += bar.start >> (PAGE_SHIFT - (sparse ? 5 : 0));
mmap_type = res->flags & IORESOURCE_MEM ? pci_mmap_mem : pci_mmap_io;
@@ -139,7 +139,7 @@ static int sparse_mem_mmap_fits(struct pci_dev *pdev, int num)
long dense_offset;
unsigned long sparse_size;
- pcibios_resource_to_bus(pdev, &bar, &pdev->resource[num]);
+ pcibios_resource_to_bus(pdev->bus, &bar, &pdev->resource[num]);
/* All core logic chips have 4G sparse address space, except
CIA which has 16G (see xxx_SPARSE_MEM and xxx_DENSE_MEM
diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c
index a21d0ab3b19..eddee772034 100644
--- a/arch/alpha/kernel/pci_iommu.c
+++ b/arch/alpha/kernel/pci_iommu.c
@@ -325,7 +325,7 @@ pci_map_single_1(struct pci_dev *pdev, void *cpu_addr, size_t size,
/* Helper for generic DMA-mapping functions. */
static struct pci_dev *alpha_gendev_to_pci(struct device *dev)
{
- if (dev && dev->bus == &pci_bus_type)
+ if (dev && dev_is_pci(dev))
return to_pci_dev(dev);
/* Assume that non-PCI devices asking for DMA are either ISA or EISA,
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index 2ee0c9bfd03..9063ae6553c 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -8,6 +8,7 @@
config ARC
def_bool y
+ select BUILDTIME_EXTABLE_SORT
select CLONE_BACKWARDS
# ARC Busybox based initramfs absolutely relies on DEVTMPFS for /dev
select DEVTMPFS if !INITRAMFS_SOURCE=""
diff --git a/arch/arc/include/asm/Kbuild b/arch/arc/include/asm/Kbuild
index 5943f7f9d32..9ae21c19800 100644
--- a/arch/arc/include/asm/Kbuild
+++ b/arch/arc/include/asm/Kbuild
@@ -1,4 +1,5 @@
generic-y += auxvec.h
+generic-y += barrier.h
generic-y += bugs.h
generic-y += bitsperlong.h
generic-y += clkdev.h
diff --git a/arch/arc/include/asm/atomic.h b/arch/arc/include/asm/atomic.h
index 83f03ca6caf..03e494f695d 100644
--- a/arch/arc/include/asm/atomic.h
+++ b/arch/arc/include/asm/atomic.h
@@ -190,6 +190,11 @@ static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr)
#endif /* !CONFIG_ARC_HAS_LLSC */
+#define smp_mb__before_atomic_dec() barrier()
+#define smp_mb__after_atomic_dec() barrier()
+#define smp_mb__before_atomic_inc() barrier()
+#define smp_mb__after_atomic_inc() barrier()
+
/**
* __atomic_add_unless - add unless the number is a given value
* @v: pointer of type atomic_t
diff --git a/arch/arc/include/asm/barrier.h b/arch/arc/include/asm/barrier.h
index f6cb7c4ffb3..c32245c3d1e 100644
--- a/arch/arc/include/asm/barrier.h
+++ b/arch/arc/include/asm/barrier.h
@@ -30,11 +30,6 @@
#define smp_wmb() barrier()
#endif
-#define smp_mb__before_atomic_dec() barrier()
-#define smp_mb__after_atomic_dec() barrier()
-#define smp_mb__before_atomic_inc() barrier()
-#define smp_mb__after_atomic_inc() barrier()
-
#define smp_read_barrier_depends() do { } while (0)
#endif
diff --git a/arch/arc/include/uapi/asm/unistd.h b/arch/arc/include/uapi/asm/unistd.h
index 6f30484f34b..39e58d1cdf9 100644
--- a/arch/arc/include/uapi/asm/unistd.h
+++ b/arch/arc/include/uapi/asm/unistd.h
@@ -8,6 +8,13 @@
/******** no-legacy-syscalls-ABI *******/
+/*
+ * Non-typical guard macro to enable inclusion twice in ARCH sys.c
+ * That is how the Generic syscall wrapper generator works
+ */
+#if !defined(_UAPI_ASM_ARC_UNISTD_H) || defined(__SYSCALL)
+#define _UAPI_ASM_ARC_UNISTD_H
+
#define __ARCH_WANT_SYS_EXECVE
#define __ARCH_WANT_SYS_CLONE
#define __ARCH_WANT_SYS_VFORK
@@ -32,3 +39,7 @@ __SYSCALL(__NR_arc_gettls, sys_arc_gettls)
/* Generic syscall (fs/filesystems.c - lost in asm-generic/unistd.h */
#define __NR_sysfs (__NR_arch_specific_syscall + 3)
__SYSCALL(__NR_sysfs, sys_sysfs)
+
+#undef __SYSCALL
+
+#endif
diff --git a/arch/arc/kernel/perf_event.c b/arch/arc/kernel/perf_event.c
index e46d81f7097..63177e4cb66 100644
--- a/arch/arc/kernel/perf_event.c
+++ b/arch/arc/kernel/perf_event.c
@@ -79,9 +79,9 @@ static int arc_pmu_cache_event(u64 config)
cache_result = (config >> 16) & 0xff;
if (cache_type >= PERF_COUNT_HW_CACHE_MAX)
return -EINVAL;
- if (cache_type >= PERF_COUNT_HW_CACHE_OP_MAX)
+ if (cache_op >= PERF_COUNT_HW_CACHE_OP_MAX)
return -EINVAL;
- if (cache_type >= PERF_COUNT_HW_CACHE_RESULT_MAX)
+ if (cache_result >= PERF_COUNT_HW_CACHE_RESULT_MAX)
return -EINVAL;
ret = arc_pmu_cache_map[cache_type][cache_op][cache_result];
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index c1f1a7eee95..ab1689c96a7 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -30,6 +30,7 @@ config ARM
select HAVE_BPF_JIT
select HAVE_CONTEXT_TRACKING
select HAVE_C_RECORDMCOUNT
+ select HAVE_CC_STACKPROTECTOR
select HAVE_DEBUG_KMEMLEAK
select HAVE_DMA_API_DEBUG
select HAVE_DMA_ATTRS
@@ -710,7 +711,6 @@ config ARCH_S3C24XX
select HAVE_S3C2410_WATCHDOG if WATCHDOG
select HAVE_S3C_RTC if RTC_CLASS
select MULTI_IRQ_HANDLER
- select NEED_MACH_GPIO_H
select NEED_MACH_IO_H
select SAMSUNG_ATAGS
help
@@ -723,6 +723,7 @@ config ARCH_S3C64XX
bool "Samsung S3C64XX"
select ARCH_HAS_CPUFREQ
select ARCH_REQUIRE_GPIOLIB
+ select ARM_AMBA
select ARM_VIC
select CLKDEV_LOOKUP
select CLKSRC_SAMSUNG_PWM
@@ -733,7 +734,6 @@ config ARCH_S3C64XX
select HAVE_S3C2410_I2C if I2C
select HAVE_S3C2410_WATCHDOG if WATCHDOG
select HAVE_TCM
- select NEED_MACH_GPIO_H
select NO_IOPORT
select PLAT_SAMSUNG
select PM_GENERIC_DOMAINS
@@ -1593,7 +1593,7 @@ config ARM_PSCI
config ARCH_NR_GPIO
int
default 1024 if ARCH_SHMOBILE || ARCH_TEGRA
- default 512 if ARCH_EXYNOS || ARCH_KEYSTONE || SOC_OMAP5 || SOC_DRA7XX
+ default 512 if ARCH_EXYNOS || ARCH_KEYSTONE || SOC_OMAP5 || SOC_DRA7XX || ARCH_S3C24XX || ARCH_S3C64XX
default 392 if ARCH_U8500
default 352 if ARCH_VT8500
default 288 if ARCH_SUNXI
@@ -1856,18 +1856,6 @@ config SECCOMP
and the task is only allowed to execute a few safe syscalls
defined by each seccomp mode.
-config CC_STACKPROTECTOR
- bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)"
- help
- This option turns on the -fstack-protector GCC feature. This
- feature puts, at the beginning of functions, a canary value on
- the stack just before the return address, and validates
- the value just before actually returning. Stack based buffer
- overflows (that need to overwrite this return address) now also
- overwrite the canary, which gets detected and the attack is then
- neutralized via a kernel panic.
- This feature requires gcc version 4.2 or above.
-
config SWIOTLB
def_bool y
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index c99b1086d83..55b4255ad6e 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -40,10 +40,6 @@ ifeq ($(CONFIG_FRAME_POINTER),y)
KBUILD_CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
endif
-ifeq ($(CONFIG_CC_STACKPROTECTOR),y)
-KBUILD_CFLAGS +=-fstack-protector
-endif
-
ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
KBUILD_CPPFLAGS += -mbig-endian
AS += -EB
diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c
index 31bd43b8209..d4f891f5699 100644
--- a/arch/arm/boot/compressed/misc.c
+++ b/arch/arm/boot/compressed/misc.c
@@ -127,6 +127,18 @@ asmlinkage void __div0(void)
error("Attempting division by 0!");
}
+unsigned long __stack_chk_guard;
+
+void __stack_chk_guard_setup(void)
+{
+ __stack_chk_guard = 0x000a0dff;
+}
+
+void __stack_chk_fail(void)
+{
+ error("stack-protector: Kernel stack is corrupted\n");
+}
+
extern int do_decompress(u8 *input, int len, u8 *output, void (*error)(char *x));
@@ -137,6 +149,8 @@ decompress_kernel(unsigned long output_start, unsigned long free_mem_ptr_p,
{
int ret;
+ __stack_chk_guard_setup();
+
output_data = (unsigned char *)output_start;
free_mem_ptr = free_mem_ptr_p;
free_mem_end_ptr = free_mem_ptr_end_p;
diff --git a/arch/arm/boot/dts/am335x-base0033.dts b/arch/arm/boot/dts/am335x-base0033.dts
index b4f95c2bbf7..72a9b3fc425 100644
--- a/arch/arm/boot/dts/am335x-base0033.dts
+++ b/arch/arm/boot/dts/am335x-base0033.dts
@@ -13,4 +13,83 @@
/ {
model = "IGEP COM AM335x on AQUILA Expansion";
compatible = "isee,am335x-base0033", "isee,am335x-igep0033", "ti,am33xx";
+
+ hdmi {
+ compatible = "ti,tilcdc,slave";
+ i2c = <&i2c0>;
+ pinctrl-names = "default", "off";
+ pinctrl-0 = <&nxp_hdmi_pins>;
+ pinctrl-1 = <&nxp_hdmi_off_pins>;
+ status = "okay";
+ };
+
+ leds_base {
+ pinctrl-names = "default";
+ pinctrl-0 = <&leds_base_pins>;
+
+ compatible = "gpio-leds";
+
+ led@0 {
+ label = "base:red:user";
+ gpios = <&gpio1 21 GPIO_ACTIVE_HIGH>; /* gpio1_21 */
+ default-state = "off";
+ };
+
+ led@1 {
+ label = "base:green:user";
+ gpios = <&gpio2 0 GPIO_ACTIVE_HIGH>; /* gpio2_0 */
+ default-state = "off";
+ };
+ };
+};
+
+&am33xx_pinmux {
+ nxp_hdmi_pins: pinmux_nxp_hdmi_pins {
+ pinctrl-single,pins = <
+ 0x1b0 (PIN_OUTPUT | MUX_MODE3) /* xdma_event_intr0.clkout1 */
+ 0xa0 (PIN_OUTPUT | MUX_MODE0) /* lcd_data0 */
+ 0xa4 (PIN_OUTPUT | MUX_MODE0) /* lcd_data1 */
+ 0xa8 (PIN_OUTPUT | MUX_MODE0) /* lcd_data2 */
+ 0xac (PIN_OUTPUT | MUX_MODE0) /* lcd_data3 */
+ 0xb0 (PIN_OUTPUT | MUX_MODE0) /* lcd_data4 */
+ 0xb4 (PIN_OUTPUT | MUX_MODE0) /* lcd_data5 */
+ 0xb8 (PIN_OUTPUT | MUX_MODE0) /* lcd_data6 */
+ 0xbc (PIN_OUTPUT | MUX_MODE0) /* lcd_data7 */
+ 0xc0 (PIN_OUTPUT | MUX_MODE0) /* lcd_data8 */
+ 0xc4 (PIN_OUTPUT | MUX_MODE0) /* lcd_data9 */
+ 0xc8 (PIN_OUTPUT | MUX_MODE0) /* lcd_data10 */
+ 0xcc (PIN_OUTPUT | MUX_MODE0) /* lcd_data11 */
+ 0xd0 (PIN_OUTPUT | MUX_MODE0) /* lcd_data12 */
+ 0xd4 (PIN_OUTPUT | MUX_MODE0) /* lcd_data13 */
+ 0xd8 (PIN_OUTPUT | MUX_MODE0) /* lcd_data14 */
+ 0xdc (PIN_OUTPUT | MUX_MODE0) /* lcd_data15 */
+ 0xe0 (PIN_OUTPUT | MUX_MODE0) /* lcd_vsync */
+ 0xe4 (PIN_OUTPUT | MUX_MODE0) /* lcd_hsync */
+ 0xe8 (PIN_OUTPUT | MUX_MODE0) /* lcd_pclk */
+ 0xec (PIN_OUTPUT | MUX_MODE0) /* lcd_ac_bias_en */
+ >;
+ };
+ nxp_hdmi_off_pins: pinmux_nxp_hdmi_off_pins {
+ pinctrl-single,pins = <
+ 0x1b0 (PIN_OUTPUT | MUX_MODE3) /* xdma_event_intr0.clkout1 */
+ >;
+ };
+
+ leds_base_pins: pinmux_leds_base_pins {
+ pinctrl-single,pins = <
+ 0x54 (PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* gpmc_a5.gpio1_21 */
+ 0x88 (PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* gpmc_csn3.gpio2_0 */
+ >;
+ };
+};
+
+&lcdc {
+ status = "okay";
+};
+
+&i2c0 {
+ eeprom: eeprom@50 {
+ compatible = "at,24c256";
+ reg = <0x50>;
+ };
};
diff --git a/arch/arm/boot/dts/am335x-igep0033.dtsi b/arch/arm/boot/dts/am335x-igep0033.dtsi
index 61962447931..7063311a58d 100644
--- a/arch/arm/boot/dts/am335x-igep0033.dtsi
+++ b/arch/arm/boot/dts/am335x-igep0033.dtsi
@@ -199,6 +199,35 @@
pinctrl-0 = <&uart0_pins>;
};
+&usb {
+ status = "okay";
+
+ control@44e10000 {
+ status = "okay";
+ };
+
+ usb-phy@47401300 {
+ status = "okay";
+ };
+
+ usb-phy@47401b00 {
+ status = "okay";
+ };
+
+ usb@47401000 {
+ status = "okay";
+ };
+
+ usb@47401800 {
+ status = "okay";
+ dr_mode = "host";
+ };
+
+ dma-controller@07402000 {
+ status = "okay";
+ };
+};
+
#include "tps65910.dtsi"
&tps {
diff --git a/arch/arm/boot/dts/am3517-evm.dts b/arch/arm/boot/dts/am3517-evm.dts
index e99dfaf7005..03fcbf0a88a 100644
--- a/arch/arm/boot/dts/am3517-evm.dts
+++ b/arch/arm/boot/dts/am3517-evm.dts
@@ -7,11 +7,11 @@
*/
/dts-v1/;
-#include "omap34xx.dtsi"
+#include "am3517.dtsi"
/ {
- model = "TI AM3517 EVM (AM3517/05)";
- compatible = "ti,am3517-evm", "ti,omap3";
+ model = "TI AM3517 EVM (AM3517/05 TMDSEVM3517)";
+ compatible = "ti,am3517-evm", "ti,am3517", "ti,omap3";
memory {
device_type = "memory";
diff --git a/arch/arm/boot/dts/am3517.dtsi b/arch/arm/boot/dts/am3517.dtsi
new file mode 100644
index 00000000000..2fbe02faa8b
--- /dev/null
+++ b/arch/arm/boot/dts/am3517.dtsi
@@ -0,0 +1,63 @@
+/*
+ * Device Tree Source for am3517 SoC
+ *
+ * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#include "omap3.dtsi"
+
+/ {
+ aliases {
+ serial3 = &uart4;
+ };
+
+ ocp {
+ am35x_otg_hs: am35x_otg_hs@5c040000 {
+ compatible = "ti,omap3-musb";
+ ti,hwmods = "am35x_otg_hs";
+ status = "disabled";
+ reg = <0x5c040000 0x1000>;
+ interrupts = <71>;
+ interrupt-names = "mc";
+ };
+
+ davinci_emac: ethernet@0x5c000000 {
+ compatible = "ti,am3517-emac";
+ ti,hwmods = "davinci_emac";
+ status = "disabled";
+ reg = <0x5c000000 0x30000>;
+ interrupts = <67 68 69 70>;
+ ti,davinci-ctrl-reg-offset = <0x10000>;
+ ti,davinci-ctrl-mod-reg-offset = <0>;
+ ti,davinci-ctrl-ram-offset = <0x20000>;
+ ti,davinci-ctrl-ram-size = <0x2000>;
+ ti,davinci-rmii-en = /bits/ 8 <1>;
+ local-mac-address = [ 00 00 00 00 00 00 ];
+ };
+
+ davinci_mdio: ethernet@0x5c030000 {
+ compatible = "ti,davinci_mdio";
+ ti,hwmods = "davinci_mdio";
+ status = "disabled";
+ reg = <0x5c030000 0x1000>;
+ bus_freq = <1000000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ uart4: serial@4809e000 {
+ compatible = "ti,omap3-uart";
+ ti,hwmods = "uart4";
+ status = "disabled";
+ reg = <0x4809e000 0x400>;
+ interrupts = <84>;
+ dmas = <&sdma 55 &sdma 54>;
+ dma-names = "tx", "rx";
+ clock-frequency = <48000000>;
+ };
+ };
+};
diff --git a/arch/arm/boot/dts/armada-370-db.dts b/arch/arm/boot/dts/armada-370-db.dts
index 90ce29dbe11..08a56bcfc72 100644
--- a/arch/arm/boot/dts/armada-370-db.dts
+++ b/arch/arm/boot/dts/armada-370-db.dts
@@ -99,22 +99,22 @@
spi-max-frequency = <50000000>;
};
};
+ };
- pcie-controller {
+ pcie-controller {
+ status = "okay";
+ /*
+ * The two PCIe units are accessible through
+ * both standard PCIe slots and mini-PCIe
+ * slots on the board.
+ */
+ pcie@1,0 {
+ /* Port 0, Lane 0 */
+ status = "okay";
+ };
+ pcie@2,0 {
+ /* Port 1, Lane 0 */
status = "okay";
- /*
- * The two PCIe units are accessible through
- * both standard PCIe slots and mini-PCIe
- * slots on the board.
- */
- pcie@1,0 {
- /* Port 0, Lane 0 */
- status = "okay";
- };
- pcie@2,0 {
- /* Port 1, Lane 0 */
- status = "okay";
- };
};
};
};
diff --git a/arch/arm/boot/dts/armada-370-xp.dtsi b/arch/arm/boot/dts/armada-370-xp.dtsi
index 00d6a798c70..80ffacd128f 100644
--- a/arch/arm/boot/dts/armada-370-xp.dtsi
+++ b/arch/arm/boot/dts/armada-370-xp.dtsi
@@ -118,7 +118,7 @@
coherency-fabric@20200 {
compatible = "marvell,coherency-fabric";
- reg = <0x20200 0xb0>, <0x21810 0x1c>;
+ reg = <0x20200 0xb0>, <0x21010 0x1c>;
};
serial@12000 {
@@ -152,7 +152,7 @@
};
sata@a0000 {
- compatible = "marvell,orion-sata";
+ compatible = "marvell,armada-370-sata";
reg = <0xa0000 0x5000>;
interrupts = <55>;
clocks = <&gateclk 15>, <&gateclk 30>;
diff --git a/arch/arm/boot/dts/armada-xp-mv78230.dtsi b/arch/arm/boot/dts/armada-xp-mv78230.dtsi
index 3f5e6121c73..98335fb34b7 100644
--- a/arch/arm/boot/dts/armada-xp-mv78230.dtsi
+++ b/arch/arm/boot/dts/armada-xp-mv78230.dtsi
@@ -47,7 +47,7 @@
/*
* MV78230 has 2 PCIe units Gen2.0: One unit can be
* configured as x4 or quad x1 lanes. One unit is
- * x4/x1.
+ * x1 only.
*/
pcie-controller {
compatible = "marvell,armada-xp-pcie";
@@ -62,10 +62,10 @@
ranges =
<0x82000000 0 0x40000 MBUS_ID(0xf0, 0x01) 0x40000 0 0x00002000 /* Port 0.0 registers */
- 0x82000000 0 0x42000 MBUS_ID(0xf0, 0x01) 0x42000 0 0x00002000 /* Port 2.0 registers */
0x82000000 0 0x44000 MBUS_ID(0xf0, 0x01) 0x44000 0 0x00002000 /* Port 0.1 registers */
0x82000000 0 0x48000 MBUS_ID(0xf0, 0x01) 0x48000 0 0x00002000 /* Port 0.2 registers */
0x82000000 0 0x4c000 MBUS_ID(0xf0, 0x01) 0x4c000 0 0x00002000 /* Port 0.3 registers */
+ 0x82000000 0 0x80000 MBUS_ID(0xf0, 0x01) 0x80000 0 0x00002000 /* Port 1.0 registers */
0x82000000 0x1 0 MBUS_ID(0x04, 0xe8) 0 1 0 /* Port 0.0 MEM */
0x81000000 0x1 0 MBUS_ID(0x04, 0xe0) 0 1 0 /* Port 0.0 IO */
0x82000000 0x2 0 MBUS_ID(0x04, 0xd8) 0 1 0 /* Port 0.1 MEM */
@@ -74,8 +74,8 @@
0x81000000 0x3 0 MBUS_ID(0x04, 0xb0) 0 1 0 /* Port 0.2 IO */
0x82000000 0x4 0 MBUS_ID(0x04, 0x78) 0 1 0 /* Port 0.3 MEM */
0x81000000 0x4 0 MBUS_ID(0x04, 0x70) 0 1 0 /* Port 0.3 IO */
- 0x82000000 0x9 0 MBUS_ID(0x04, 0xf8) 0 1 0 /* Port 2.0 MEM */
- 0x81000000 0x9 0 MBUS_ID(0x04, 0xf0) 0 1 0 /* Port 2.0 IO */>;
+ 0x82000000 0x5 0 MBUS_ID(0x08, 0xe8) 0 1 0 /* Port 1.0 MEM */
+ 0x81000000 0x5 0 MBUS_ID(0x08, 0xe0) 0 1 0 /* Port 1.0 IO */>;
pcie@1,0 {
device_type = "pci";
@@ -145,20 +145,20 @@
status = "disabled";
};
- pcie@9,0 {
+ pcie@5,0 {
device_type = "pci";
- assigned-addresses = <0x82000800 0 0x42000 0 0x2000>;
- reg = <0x4800 0 0 0 0>;
+ assigned-addresses = <0x82000800 0 0x80000 0 0x2000>;
+ reg = <0x2800 0 0 0 0>;
#address-cells = <3>;
#size-cells = <2>;
#interrupt-cells = <1>;
- ranges = <0x82000000 0 0 0x82000000 0x9 0 1 0
- 0x81000000 0 0 0x81000000 0x9 0 1 0>;
+ ranges = <0x82000000 0 0 0x82000000 0x5 0 1 0
+ 0x81000000 0 0 0x81000000 0x5 0 1 0>;
interrupt-map-mask = <0 0 0 0>;
- interrupt-map = <0 0 0 0 &mpic 99>;
- marvell,pcie-port = <2>;
+ interrupt-map = <0 0 0 0 &mpic 62>;
+ marvell,pcie-port = <1>;
marvell,pcie-lane = <0>;
- clocks = <&gateclk 26>;
+ clocks = <&gateclk 9>;
status = "disabled";
};
};
diff --git a/arch/arm/boot/dts/armada-xp-mv78260.dtsi b/arch/arm/boot/dts/armada-xp-mv78260.dtsi
index 3e9fd1353f8..66609684d41 100644
--- a/arch/arm/boot/dts/armada-xp-mv78260.dtsi
+++ b/arch/arm/boot/dts/armada-xp-mv78260.dtsi
@@ -48,7 +48,7 @@
/*
* MV78260 has 3 PCIe units Gen2.0: Two units can be
* configured as x4 or quad x1 lanes. One unit is
- * x4/x1.
+ * x4 only.
*/
pcie-controller {
compatible = "marvell,armada-xp-pcie";
@@ -68,7 +68,9 @@
0x82000000 0 0x48000 MBUS_ID(0xf0, 0x01) 0x48000 0 0x00002000 /* Port 0.2 registers */
0x82000000 0 0x4c000 MBUS_ID(0xf0, 0x01) 0x4c000 0 0x00002000 /* Port 0.3 registers */
0x82000000 0 0x80000 MBUS_ID(0xf0, 0x01) 0x80000 0 0x00002000 /* Port 1.0 registers */
- 0x82000000 0 0x82000 MBUS_ID(0xf0, 0x01) 0x82000 0 0x00002000 /* Port 3.0 registers */
+ 0x82000000 0 0x84000 MBUS_ID(0xf0, 0x01) 0x84000 0 0x00002000 /* Port 1.1 registers */
+ 0x82000000 0 0x88000 MBUS_ID(0xf0, 0x01) 0x88000 0 0x00002000 /* Port 1.2 registers */
+ 0x82000000 0 0x8c000 MBUS_ID(0xf0, 0x01) 0x8c000 0 0x00002000 /* Port 1.3 registers */
0x82000000 0x1 0 MBUS_ID(0x04, 0xe8) 0 1 0 /* Port 0.0 MEM */
0x81000000 0x1 0 MBUS_ID(0x04, 0xe0) 0 1 0 /* Port 0.0 IO */
0x82000000 0x2 0 MBUS_ID(0x04, 0xd8) 0 1 0 /* Port 0.1 MEM */
@@ -77,10 +79,18 @@
0x81000000 0x3 0 MBUS_ID(0x04, 0xb0) 0 1 0 /* Port 0.2 IO */
0x82000000 0x4 0 MBUS_ID(0x04, 0x78) 0 1 0 /* Port 0.3 MEM */
0x81000000 0x4 0 MBUS_ID(0x04, 0x70) 0 1 0 /* Port 0.3 IO */
- 0x82000000 0x9 0 MBUS_ID(0x08, 0xe8) 0 1 0 /* Port 1.0 MEM */
- 0x81000000 0x9 0 MBUS_ID(0x08, 0xe0) 0 1 0 /* Port 1.0 IO */
- 0x82000000 0xa 0 MBUS_ID(0x08, 0xf8) 0 1 0 /* Port 3.0 MEM */
- 0x81000000 0xa 0 MBUS_ID(0x08, 0xf0) 0 1 0 /* Port 3.0 IO */>;
+
+ 0x82000000 0x5 0 MBUS_ID(0x08, 0xe8) 0 1 0 /* Port 1.0 MEM */
+ 0x81000000 0x5 0 MBUS_ID(0x08, 0xe0) 0 1 0 /* Port 1.0 IO */
+ 0x82000000 0x6 0 MBUS_ID(0x08, 0xd8) 0 1 0 /* Port 1.1 MEM */
+ 0x81000000 0x6 0 MBUS_ID(0x08, 0xd0) 0 1 0 /* Port 1.1 IO */
+ 0x82000000 0x7 0 MBUS_ID(0x08, 0xb8) 0 1 0 /* Port 1.2 MEM */
+ 0x81000000 0x7 0 MBUS_ID(0x08, 0xb0) 0 1 0 /* Port 1.2 IO */
+ 0x82000000 0x8 0 MBUS_ID(0x08, 0x78) 0 1 0 /* Port 1.3 MEM */
+ 0x81000000 0x8 0 MBUS_ID(0x08, 0x70) 0 1 0 /* Port 1.3 IO */
+
+ 0x82000000 0x9 0 MBUS_ID(0x04, 0xf8) 0 1 0 /* Port 2.0 MEM */
+ 0x81000000 0x9 0 MBUS_ID(0x04, 0xf0) 0 1 0 /* Port 2.0 IO */>;
pcie@1,0 {
device_type = "pci";
@@ -106,8 +116,8 @@
#address-cells = <3>;
#size-cells = <2>;
#interrupt-cells = <1>;
- ranges = <0x82000000 0 0 0x82000000 0x2 0 1 0
- 0x81000000 0 0 0x81000000 0x2 0 1 0>;
+ ranges = <0x82000000 0 0 0x82000000 0x2 0 1 0
+ 0x81000000 0 0 0x81000000 0x2 0 1 0>;
interrupt-map-mask = <0 0 0 0>;
interrupt-map = <0 0 0 0 &mpic 59>;
marvell,pcie-port = <0>;
@@ -150,37 +160,88 @@
status = "disabled";
};
- pcie@9,0 {
+ pcie@5,0 {
device_type = "pci";
- assigned-addresses = <0x82000800 0 0x42000 0 0x2000>;
- reg = <0x4800 0 0 0 0>;
+ assigned-addresses = <0x82000800 0 0x80000 0 0x2000>;
+ reg = <0x2800 0 0 0 0>;
#address-cells = <3>;
#size-cells = <2>;
#interrupt-cells = <1>;
- ranges = <0x82000000 0 0 0x82000000 0x9 0 1 0
- 0x81000000 0 0 0x81000000 0x9 0 1 0>;
+ ranges = <0x82000000 0 0 0x82000000 0x5 0 1 0
+ 0x81000000 0 0 0x81000000 0x5 0 1 0>;
interrupt-map-mask = <0 0 0 0>;
- interrupt-map = <0 0 0 0 &mpic 99>;
- marvell,pcie-port = <2>;
+ interrupt-map = <0 0 0 0 &mpic 62>;
+ marvell,pcie-port = <1>;
marvell,pcie-lane = <0>;
- clocks = <&gateclk 26>;
+ clocks = <&gateclk 9>;
status = "disabled";
};
- pcie@10,0 {
+ pcie@6,0 {
device_type = "pci";
- assigned-addresses = <0x82000800 0 0x82000 0 0x2000>;
- reg = <0x5000 0 0 0 0>;
+ assigned-addresses = <0x82000800 0 0x84000 0 0x2000>;
+ reg = <0x3000 0 0 0 0>;
#address-cells = <3>;
#size-cells = <2>;
#interrupt-cells = <1>;
- ranges = <0x82000000 0 0 0x82000000 0xa 0 1 0
- 0x81000000 0 0 0x81000000 0xa 0 1 0>;
+ ranges = <0x82000000 0 0 0x82000000 0x6 0 1 0
+ 0x81000000 0 0 0x81000000 0x6 0 1 0>;
interrupt-map-mask = <0 0 0 0>;
- interrupt-map = <0 0 0 0 &mpic 103>;
- marvell,pcie-port = <3>;
+ interrupt-map = <0 0 0 0 &mpic 63>;
+ marvell,pcie-port = <1>;
+ marvell,pcie-lane = <1>;
+ clocks = <&gateclk 10>;
+ status = "disabled";
+ };
+
+ pcie@7,0 {
+ device_type = "pci";
+ assigned-addresses = <0x82000800 0 0x88000 0 0x2000>;
+ reg = <0x3800 0 0 0 0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ #interrupt-cells = <1>;
+ ranges = <0x82000000 0 0 0x82000000 0x7 0 1 0
+ 0x81000000 0 0 0x81000000 0x7 0 1 0>;
+ interrupt-map-mask = <0 0 0 0>;
+ interrupt-map = <0 0 0 0 &mpic 64>;
+ marvell,pcie-port = <1>;
+ marvell,pcie-lane = <2>;
+ clocks = <&gateclk 11>;
+ status = "disabled";
+ };
+
+ pcie@8,0 {
+ device_type = "pci";
+ assigned-addresses = <0x82000800 0 0x8c000 0 0x2000>;
+ reg = <0x4000 0 0 0 0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ #interrupt-cells = <1>;
+ ranges = <0x82000000 0 0 0x82000000 0x8 0 1 0
+ 0x81000000 0 0 0x81000000 0x8 0 1 0>;
+ interrupt-map-mask = <0 0 0 0>;
+ interrupt-map = <0 0 0 0 &mpic 65>;
+ marvell,pcie-port = <1>;
+ marvell,pcie-lane = <3>;
+ clocks = <&gateclk 12>;
+ status = "disabled";
+ };
+
+ pcie@9,0 {
+ device_type = "pci";
+ assigned-addresses = <0x82000800 0 0x42000 0 0x2000>;
+ reg = <0x4800 0 0 0 0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ #interrupt-cells = <1>;
+ ranges = <0x82000000 0 0 0x82000000 0x9 0 1 0
+ 0x81000000 0 0 0x81000000 0x9 0 1 0>;
+ interrupt-map-mask = <0 0 0 0>;
+ interrupt-map = <0 0 0 0 &mpic 99>;
+ marvell,pcie-port = <2>;
marvell,pcie-lane = <0>;
- clocks = <&gateclk 27>;
+ clocks = <&gateclk 26>;
status = "disabled";
};
};
diff --git a/arch/arm/boot/dts/at91sam9x5_usart3.dtsi b/arch/arm/boot/dts/at91sam9x5_usart3.dtsi
index 2347e9563ce..6801106fa1f 100644
--- a/arch/arm/boot/dts/at91sam9x5_usart3.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5_usart3.dtsi
@@ -11,6 +11,10 @@
#include <dt-bindings/interrupt-controller/irq.h>
/ {
+ aliases {
+ serial4 = &usart3;
+ };
+
ahb {
apb {
pinctrl@fffff400 {
diff --git a/arch/arm/boot/dts/bcm11351.dtsi b/arch/arm/boot/dts/bcm11351.dtsi
index b0c0610d139..dd8e878741c 100644
--- a/arch/arm/boot/dts/bcm11351.dtsi
+++ b/arch/arm/boot/dts/bcm11351.dtsi
@@ -142,4 +142,8 @@
status = "disabled";
};
+ pinctrl@35004800 {
+ compatible = "brcm,capri-pinctrl";
+ reg = <0x35004800 0x430>;
+ };
};
diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
index 9db5047812f..177becde7a2 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -559,7 +559,7 @@
compatible = "arm,pl330", "arm,primecell";
reg = <0x10800000 0x1000>;
interrupts = <0 33 0>;
- clocks = <&clock 271>;
+ clocks = <&clock 346>;
clock-names = "apb_pclk";
#dma-cells = <1>;
#dma-channels = <8>;
diff --git a/arch/arm/boot/dts/omap-gpmc-smsc911x.dtsi b/arch/arm/boot/dts/omap-gpmc-smsc911x.dtsi
index 9c18adf788f..f577b7df9a2 100644
--- a/arch/arm/boot/dts/omap-gpmc-smsc911x.dtsi
+++ b/arch/arm/boot/dts/omap-gpmc-smsc911x.dtsi
@@ -44,8 +44,8 @@
gpmc,wr-access-ns = <186>;
gpmc,cycle2cycle-samecsen;
gpmc,cycle2cycle-diffcsen;
- vmmc-supply = <&vddvario>;
- vmmc_aux-supply = <&vdd33a>;
+ vddvario-supply = <&vddvario>;
+ vdd33a-supply = <&vdd33a>;
reg-io-width = <4>;
smsc,save-mac-address;
};
diff --git a/arch/arm/boot/dts/omap3-beagle-xm.dts b/arch/arm/boot/dts/omap3-beagle-xm.dts
index 31a632f7eff..df33a50bc07 100644
--- a/arch/arm/boot/dts/omap3-beagle-xm.dts
+++ b/arch/arm/boot/dts/omap3-beagle-xm.dts
@@ -215,3 +215,10 @@
&usbhsehci {
phys = <0 &hsusb2_phy>;
};
+
+&vaux2 {
+ regulator-name = "usb_1v8";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+};
diff --git a/arch/arm/boot/dts/omap3-beagle.dts b/arch/arm/boot/dts/omap3-beagle.dts
index fa532aaacc6..3ba4a625ea5 100644
--- a/arch/arm/boot/dts/omap3-beagle.dts
+++ b/arch/arm/boot/dts/omap3-beagle.dts
@@ -61,6 +61,14 @@
vcc-supply = <&hsusb2_power>;
};
+ sound {
+ compatible = "ti,omap-twl4030";
+ ti,model = "omap3beagle";
+
+ ti,mcbsp = <&mcbsp2>;
+ ti,codec = <&twl_audio>;
+ };
+
gpio_keys {
compatible = "gpio-keys";
@@ -120,6 +128,12 @@
reg = <0x48>;
interrupts = <7>; /* SYS_NIRQ cascaded to intc */
interrupt-parent = <&intc>;
+
+ twl_audio: audio {
+ compatible = "ti,twl4030-audio";
+ codec {
+ };
+ };
};
};
@@ -178,3 +192,10 @@
mode = <3>;
power = <50>;
};
+
+&vaux2 {
+ regulator-name = "vdd_ehci";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+};
diff --git a/arch/arm/boot/dts/omap3-igep.dtsi b/arch/arm/boot/dts/omap3-igep.dtsi
index ba1e58b7b7e..165aaf7591b 100644
--- a/arch/arm/boot/dts/omap3-igep.dtsi
+++ b/arch/arm/boot/dts/omap3-igep.dtsi
@@ -1,5 +1,5 @@
/*
- * Device Tree Source for IGEP Technology devices
+ * Common device tree for IGEP boards based on AM/DM37x
*
* Copyright (C) 2012 Javier Martinez Canillas <javier@collabora.co.uk>
* Copyright (C) 2012 Enric Balletbo i Serra <eballetbo@gmail.com>
@@ -10,7 +10,7 @@
*/
/dts-v1/;
-#include "omap34xx.dtsi"
+#include "omap36xx.dtsi"
/ {
memory {
@@ -24,6 +24,25 @@
ti,mcbsp = <&mcbsp2>;
ti,codec = <&twl_audio>;
};
+
+ vdd33: regulator-vdd33 {
+ compatible = "regulator-fixed";
+ regulator-name = "vdd33";
+ regulator-always-on;
+ };
+
+ lbee1usjyc_vmmc: lbee1usjyc_vmmc {
+ pinctrl-names = "default";
+ pinctrl-0 = <&lbee1usjyc_pins>;
+ compatible = "regulator-fixed";
+ regulator-name = "regulator-lbee1usjyc";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&gpio5 10 GPIO_ACTIVE_HIGH>; /* gpio_138 WIFI_PDN */
+ startup-delay-us = <10000>;
+ enable-active-high;
+ vin-supply = <&vdd33>;
+ };
};
&omap3_pmx_core {
@@ -48,6 +67,15 @@
>;
};
+ /* WiFi/BT combo */
+ lbee1usjyc_pins: pinmux_lbee1usjyc_pins {
+ pinctrl-single,pins = <
+ 0x136 (PIN_OUTPUT | MUX_MODE4) /* sdmmc2_dat5.gpio_137 */
+ 0x138 (PIN_OUTPUT | MUX_MODE4) /* sdmmc2_dat6.gpio_138 */
+ 0x13a (PIN_OUTPUT | MUX_MODE4) /* sdmmc2_dat7.gpio_139 */
+ >;
+ };
+
mcbsp2_pins: pinmux_mcbsp2_pins {
pinctrl-single,pins = <
0x10c (PIN_INPUT | MUX_MODE0) /* mcbsp2_fsx.mcbsp2_fsx */
@@ -65,10 +93,17 @@
0x11a (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc1_dat1.sdmmc1_dat1 */
0x11c (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc1_dat2.sdmmc1_dat2 */
0x11e (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc1_dat3.sdmmc1_dat3 */
- 0x120 (PIN_INPUT | MUX_MODE0) /* sdmmc1_dat4.sdmmc1_dat4 */
- 0x122 (PIN_INPUT | MUX_MODE0) /* sdmmc1_dat5.sdmmc1_dat5 */
- 0x124 (PIN_INPUT | MUX_MODE0) /* sdmmc1_dat6.sdmmc1_dat6 */
- 0x126 (PIN_INPUT | MUX_MODE0) /* sdmmc1_dat7.sdmmc1_dat7 */
+ >;
+ };
+
+ mmc2_pins: pinmux_mmc2_pins {
+ pinctrl-single,pins = <
+ 0x128 (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_clk.sdmmc2_clk */
+ 0x12a (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_cmd.sdmmc2_cmd */
+ 0x12c (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat0.sdmmc2_dat0 */
+ 0x12e (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat1.sdmmc2_dat1 */
+ 0x130 (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat2.sdmmc2_dat2 */
+ 0x132 (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat3.sdmmc2_dat3 */
>;
};
@@ -78,10 +113,33 @@
>;
};
+ i2c1_pins: pinmux_i2c1_pins {
+ pinctrl-single,pins = <
+ 0x18a (PIN_INPUT | MUX_MODE0) /* i2c1_scl.i2c1_scl */
+ 0x18c (PIN_INPUT | MUX_MODE0) /* i2c1_sda.i2c1_sda */
+ >;
+ };
+
+ i2c2_pins: pinmux_i2c2_pins {
+ pinctrl-single,pins = <
+ 0x18e (PIN_INPUT | MUX_MODE0) /* i2c2_scl.i2c2_scl */
+ 0x190 (PIN_INPUT | MUX_MODE0) /* i2c2_sda.i2c2_sda */
+ >;
+ };
+
+ i2c3_pins: pinmux_i2c3_pins {
+ pinctrl-single,pins = <
+ 0x192 (PIN_INPUT | MUX_MODE0) /* i2c3_scl.i2c3_scl */
+ 0x194 (PIN_INPUT | MUX_MODE0) /* i2c3_sda.i2c3_sda */
+ >;
+ };
+
leds_pins: pinmux_leds_pins { };
};
&i2c1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c1_pins>;
clock-frequency = <2600000>;
twl: twl@48 {
@@ -101,9 +159,16 @@
#include "twl4030_omap3.dtsi"
&i2c2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c2_pins>;
clock-frequency = <400000>;
};
+&i2c3 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c3_pins>;
+};
+
&mcbsp2 {
pinctrl-names = "default";
pinctrl-0 = <&mcbsp2_pins>;
@@ -114,11 +179,15 @@
pinctrl-0 = <&mmc1_pins>;
vmmc-supply = <&vmmc1>;
vmmc_aux-supply = <&vsim>;
- bus-width = <8>;
+ bus-width = <4>;
};
&mmc2 {
- status = "disabled";
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc2_pins>;
+ vmmc-supply = <&lbee1usjyc_vmmc>;
+ bus-width = <4>;
+ non-removable;
};
&mmc3 {
diff --git a/arch/arm/boot/dts/omap3-igep0020.dts b/arch/arm/boot/dts/omap3-igep0020.dts
index d5cc7926725..1c7e74d2d2b 100644
--- a/arch/arm/boot/dts/omap3-igep0020.dts
+++ b/arch/arm/boot/dts/omap3-igep0020.dts
@@ -1,5 +1,5 @@
/*
- * Device Tree Source for IGEPv2 board
+ * Device Tree Source for IGEPv2 Rev. (TI OMAP AM/DM37x)
*
* Copyright (C) 2012 Javier Martinez Canillas <javier@collabora.co.uk>
* Copyright (C) 2012 Enric Balletbo i Serra <eballetbo@gmail.com>
@@ -13,7 +13,7 @@
#include "omap-gpmc-smsc911x.dtsi"
/ {
- model = "IGEPv2";
+ model = "IGEPv2 (TI OMAP AM/DM37x)";
compatible = "isee,omap3-igep0020", "ti,omap3";
leds {
@@ -67,6 +67,8 @@
pinctrl-names = "default";
pinctrl-0 = <
&hsusbb1_pins
+ &tfp410_pins
+ &dss_pins
>;
hsusbb1_pins: pinmux_hsusbb1_pins {
@@ -85,6 +87,45 @@
0x5ba (PIN_INPUT_PULLDOWN | MUX_MODE3) /* etk_d7.hsusb1_data3 */
>;
};
+
+ tfp410_pins: tfp410_dvi_pins {
+ pinctrl-single,pins = <
+ 0x196 (PIN_OUTPUT | MUX_MODE4) /* hdq_sio.gpio_170 */
+ >;
+ };
+
+ dss_pins: pinmux_dss_dvi_pins {
+ pinctrl-single,pins = <
+ 0x0a4 (PIN_OUTPUT | MUX_MODE0) /* dss_pclk.dss_pclk */
+ 0x0a6 (PIN_OUTPUT | MUX_MODE0) /* dss_hsync.dss_hsync */
+ 0x0a8 (PIN_OUTPUT | MUX_MODE0) /* dss_vsync.dss_vsync */
+ 0x0aa (PIN_OUTPUT | MUX_MODE0) /* dss_acbias.dss_acbias */
+ 0x0ac (PIN_OUTPUT | MUX_MODE0) /* dss_data0.dss_data0 */
+ 0x0ae (PIN_OUTPUT | MUX_MODE0) /* dss_data1.dss_data1 */
+ 0x0b0 (PIN_OUTPUT | MUX_MODE0) /* dss_data2.dss_data2 */
+ 0x0b2 (PIN_OUTPUT | MUX_MODE0) /* dss_data3.dss_data3 */
+ 0x0b4 (PIN_OUTPUT | MUX_MODE0) /* dss_data4.dss_data4 */
+ 0x0b6 (PIN_OUTPUT | MUX_MODE0) /* dss_data5.dss_data5 */
+ 0x0b8 (PIN_OUTPUT | MUX_MODE0) /* dss_data6.dss_data6 */
+ 0x0ba (PIN_OUTPUT | MUX_MODE0) /* dss_data7.dss_data7 */
+ 0x0bc (PIN_OUTPUT | MUX_MODE0) /* dss_data8.dss_data8 */
+ 0x0be (PIN_OUTPUT | MUX_MODE0) /* dss_data9.dss_data9 */
+ 0x0c0 (PIN_OUTPUT | MUX_MODE0) /* dss_data10.dss_data10 */
+ 0x0c2 (PIN_OUTPUT | MUX_MODE0) /* dss_data11.dss_data11 */
+ 0x0c4 (PIN_OUTPUT | MUX_MODE0) /* dss_data12.dss_data12 */
+ 0x0c6 (PIN_OUTPUT | MUX_MODE0) /* dss_data13.dss_data13 */
+ 0x0c8 (PIN_OUTPUT | MUX_MODE0) /* dss_data14.dss_data14 */
+ 0x0ca (PIN_OUTPUT | MUX_MODE0) /* dss_data15.dss_data15 */
+ 0x0cc (PIN_OUTPUT | MUX_MODE0) /* dss_data16.dss_data16 */
+ 0x0ce (PIN_OUTPUT | MUX_MODE0) /* dss_data17.dss_data17 */
+ 0x0d0 (PIN_OUTPUT | MUX_MODE0) /* dss_data18.dss_data18 */
+ 0x0d2 (PIN_OUTPUT | MUX_MODE0) /* dss_data19.dss_data19 */
+ 0x0d4 (PIN_OUTPUT | MUX_MODE0) /* dss_data20.dss_data20 */
+ 0x0d6 (PIN_OUTPUT | MUX_MODE0) /* dss_data21.dss_data21 */
+ 0x0d8 (PIN_OUTPUT | MUX_MODE0) /* dss_data22.dss_data22 */
+ 0x0da (PIN_OUTPUT | MUX_MODE0) /* dss_data23.dss_data23 */
+ >;
+ };
};
&leds_pins {
@@ -174,3 +215,8 @@
&usbhsehci {
phys = <&hsusb1_phy>;
};
+
+&vpll2 {
+ /* Needed for DSS */
+ regulator-name = "vdds_dsi";
+};
diff --git a/arch/arm/boot/dts/omap3-igep0030.dts b/arch/arm/boot/dts/omap3-igep0030.dts
index 525e6d9b097..02a23f8a338 100644
--- a/arch/arm/boot/dts/omap3-igep0030.dts
+++ b/arch/arm/boot/dts/omap3-igep0030.dts
@@ -1,5 +1,5 @@
/*
- * Device Tree Source for IGEP COM Module
+ * Device Tree Source for IGEP COM MODULE (TI OMAP AM/DM37x)
*
* Copyright (C) 2012 Javier Martinez Canillas <javier@collabora.co.uk>
* Copyright (C) 2012 Enric Balletbo i Serra <eballetbo@gmail.com>
@@ -12,7 +12,7 @@
#include "omap3-igep.dtsi"
/ {
- model = "IGEP COM Module";
+ model = "IGEP COM MODULE (TI OMAP AM/DM37x)";
compatible = "isee,omap3-igep0030", "ti,omap3";
leds {
diff --git a/arch/arm/boot/dts/omap3-n900.dts b/arch/arm/boot/dts/omap3-n900.dts
index c4f20bfe4cc..6fc85f96353 100644
--- a/arch/arm/boot/dts/omap3-n900.dts
+++ b/arch/arm/boot/dts/omap3-n900.dts
@@ -9,7 +9,7 @@
/dts-v1/;
-#include "omap34xx.dtsi"
+#include "omap34xx-hs.dtsi"
/ {
model = "Nokia N900";
@@ -125,6 +125,21 @@
>;
};
+ mmc2_pins: pinmux_mmc2_pins {
+ pinctrl-single,pins = <
+ 0x128 (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_clk */
+ 0x12a (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_cmd */
+ 0x12c (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat0 */
+ 0x12e (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat1 */
+ 0x130 (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat2 */
+ 0x132 (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat3 */
+ 0x134 (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat4 */
+ 0x136 (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat5 */
+ 0x138 (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat6 */
+ 0x13a (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat7 */
+ >;
+ };
+
display_pins: pinmux_display_pins {
pinctrl-single,pins = <
0x0d4 (PIN_OUTPUT | MUX_MODE4) /* RX51_LCD_RESET_GPIO */
@@ -358,8 +373,14 @@
cd-gpios = <&gpio6 0 GPIO_ACTIVE_HIGH>; /* 160 */
};
+/* most boards use vaux3, only some old versions use vmmc2 instead */
&mmc2 {
- status = "disabled";
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc2_pins>;
+ vmmc-supply = <&vaux3>;
+ vmmc_aux-supply = <&vsim>;
+ bus-width = <8>;
+ non-removable;
};
&mmc3 {
diff --git a/arch/arm/boot/dts/omap3-n950-n9.dtsi b/arch/arm/boot/dts/omap3-n950-n9.dtsi
index 94eb77d3b9d..5c26c184f2c 100644
--- a/arch/arm/boot/dts/omap3-n950-n9.dtsi
+++ b/arch/arm/boot/dts/omap3-n950-n9.dtsi
@@ -8,7 +8,7 @@
* published by the Free Software Foundation.
*/
-#include "omap36xx.dtsi"
+#include "omap36xx-hs.dtsi"
/ {
cpus {
diff --git a/arch/arm/boot/dts/omap3.dtsi b/arch/arm/boot/dts/omap3.dtsi
index f3a0c26ed0c..daabf99d402 100644
--- a/arch/arm/boot/dts/omap3.dtsi
+++ b/arch/arm/boot/dts/omap3.dtsi
@@ -82,6 +82,13 @@
ranges;
ti,hwmods = "l3_main";
+ aes: aes@480c5000 {
+ compatible = "ti,omap3-aes";
+ ti,hwmods = "aes";
+ reg = <0x480c5000 0x50>;
+ interrupts = <0>;
+ };
+
counter32k: counter@48320000 {
compatible = "ti,omap-counter32k";
reg = <0x48320000 0x20>;
@@ -260,6 +267,13 @@
ti,hwmods = "i2c3";
};
+ mailbox: mailbox@48094000 {
+ compatible = "ti,omap3-mailbox";
+ ti,hwmods = "mailbox";
+ reg = <0x48094000 0x200>;
+ interrupts = <26>;
+ };
+
mcspi1: spi@48098000 {
compatible = "ti,omap2-mcspi";
reg = <0x48098000 0x100>;
@@ -357,6 +371,13 @@
dma-names = "tx", "rx";
};
+ mmu_isp: mmu@480bd400 {
+ compatible = "ti,omap3-mmu-isp";
+ ti,hwmods = "mmu_isp";
+ reg = <0x480bd400 0x80>;
+ interrupts = <8>;
+ };
+
wdt2: wdt@48314000 {
compatible = "ti,omap3-wdt";
reg = <0x48314000 0x80>;
@@ -442,6 +463,27 @@
dma-names = "tx", "rx";
};
+ sham: sham@480c3000 {
+ compatible = "ti,omap3-sham";
+ ti,hwmods = "sham";
+ reg = <0x480c3000 0x64>;
+ interrupts = <49>;
+ };
+
+ smartreflex_core: smartreflex@480cb000 {
+ compatible = "ti,omap3-smartreflex-core";
+ ti,hwmods = "smartreflex_core";
+ reg = <0x480cb000 0x400>;
+ interrupts = <19>;
+ };
+
+ smartreflex_mpu_iva: smartreflex@480c9000 {
+ compatible = "ti,omap3-smartreflex-iva";
+ ti,hwmods = "smartreflex_mpu_iva";
+ reg = <0x480c9000 0x400>;
+ interrupts = <18>;
+ };
+
timer1: timer@48318000 {
compatible = "ti,omap3430-timer";
reg = <0x48318000 0x400>;
diff --git a/arch/arm/boot/dts/omap34xx-hs.dtsi b/arch/arm/boot/dts/omap34xx-hs.dtsi
new file mode 100644
index 00000000000..1ff62648954
--- /dev/null
+++ b/arch/arm/boot/dts/omap34xx-hs.dtsi
@@ -0,0 +1,16 @@
+/* Disabled modules for secure omaps */
+
+#include "omap34xx.dtsi"
+
+/* Secure omaps have some devices inaccessible depending on the firmware */
+&aes {
+ status = "disabled";
+};
+
+&sham {
+ status = "disabled";
+};
+
+&timer12 {
+ status = "disabled";
+};
diff --git a/arch/arm/boot/dts/omap36xx-hs.dtsi b/arch/arm/boot/dts/omap36xx-hs.dtsi
new file mode 100644
index 00000000000..2c7febb0e01
--- /dev/null
+++ b/arch/arm/boot/dts/omap36xx-hs.dtsi
@@ -0,0 +1,16 @@
+/* Disabled modules for secure omaps */
+
+#include "omap36xx.dtsi"
+
+/* Secure omaps have some devices inaccessible depending on the firmware */
+&aes {
+ status = "disabled";
+};
+
+&sham {
+ status = "disabled";
+};
+
+&timer12 {
+ status = "disabled";
+};
diff --git a/arch/arm/boot/dts/omap4-panda-common.dtsi b/arch/arm/boot/dts/omap4-panda-common.dtsi
index 298e85020e1..88c6a05cab4 100644
--- a/arch/arm/boot/dts/omap4-panda-common.dtsi
+++ b/arch/arm/boot/dts/omap4-panda-common.dtsi
@@ -246,15 +246,6 @@
0xf0 (PIN_INPUT_PULLUP | MUX_MODE0) /* i2c4_sda */
>;
};
-};
-
-&omap4_pmx_wkup {
- led_wkgpio_pins: pinmux_leds_wkpins {
- pinctrl-single,pins = <
- 0x1a (PIN_OUTPUT | MUX_MODE3) /* gpio_wk7 */
- 0x1c (PIN_OUTPUT | MUX_MODE3) /* gpio_wk8 */
- >;
- };
/*
* wl12xx GPIO outputs for WLAN_EN, BT_EN, FM_EN, BT_WAKEUP
@@ -274,7 +265,7 @@
pinctrl-single,pins = <
0x38 (PIN_INPUT | MUX_MODE3) /* gpmc_ncs2.gpio_52 */
0x3a (PIN_INPUT | MUX_MODE3) /* gpmc_ncs3.gpio_53 */
- 0x108 (PIN_OUTPUT | MUX_MODE0) /* sdmmc5_clk.sdmmc5_clk */
+ 0x108 (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc5_clk.sdmmc5_clk */
0x10a (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc5_cmd.sdmmc5_cmd */
0x10c (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc5_dat0.sdmmc5_dat0 */
0x10e (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc5_dat1.sdmmc5_dat1 */
@@ -284,6 +275,15 @@
};
};
+&omap4_pmx_wkup {
+ led_wkgpio_pins: pinmux_leds_wkpins {
+ pinctrl-single,pins = <
+ 0x1a (PIN_OUTPUT | MUX_MODE3) /* gpio_wk7 */
+ 0x1c (PIN_OUTPUT | MUX_MODE3) /* gpio_wk8 */
+ >;
+ };
+};
+
&i2c1 {
pinctrl-names = "default";
pinctrl-0 = <&i2c1_pins>;
diff --git a/arch/arm/boot/dts/omap4-sdp.dts b/arch/arm/boot/dts/omap4-sdp.dts
index 5fc3f43c5a8..dbc81fb6ef0 100644
--- a/arch/arm/boot/dts/omap4-sdp.dts
+++ b/arch/arm/boot/dts/omap4-sdp.dts
@@ -300,12 +300,12 @@
wl12xx_pins: pinmux_wl12xx_pins {
pinctrl-single,pins = <
0x3a (PIN_INPUT | MUX_MODE3) /* gpmc_ncs3.gpio_53 */
- 0x108 (PIN_OUTPUT | MUX_MODE3) /* sdmmc5_clk.sdmmc5_clk */
- 0x10a (PIN_INPUT_PULLUP | MUX_MODE3) /* sdmmc5_cmd.sdmmc5_cmd */
- 0x10c (PIN_INPUT_PULLUP | MUX_MODE3) /* sdmmc5_dat0.sdmmc5_dat0 */
- 0x10e (PIN_INPUT_PULLUP | MUX_MODE3) /* sdmmc5_dat1.sdmmc5_dat1 */
- 0x110 (PIN_INPUT_PULLUP | MUX_MODE3) /* sdmmc5_dat2.sdmmc5_dat2 */
- 0x112 (PIN_INPUT_PULLUP | MUX_MODE3) /* sdmmc5_dat3.sdmmc5_dat3 */
+ 0x108 (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc5_clk.sdmmc5_clk */
+ 0x10a (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc5_cmd.sdmmc5_cmd */
+ 0x10c (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc5_dat0.sdmmc5_dat0 */
+ 0x10e (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc5_dat1.sdmmc5_dat1 */
+ 0x110 (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc5_dat2.sdmmc5_dat2 */
+ 0x112 (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc5_dat3.sdmmc5_dat3 */
>;
};
};
diff --git a/arch/arm/boot/dts/r8a7790.dtsi b/arch/arm/boot/dts/r8a7790.dtsi
index ee845fad939..9987dd0e9c5 100644
--- a/arch/arm/boot/dts/r8a7790.dtsi
+++ b/arch/arm/boot/dts/r8a7790.dtsi
@@ -87,9 +87,9 @@
interrupts = <1 9 0xf04>;
};
- gpio0: gpio@ffc40000 {
+ gpio0: gpio@e6050000 {
compatible = "renesas,gpio-r8a7790", "renesas,gpio-rcar";
- reg = <0 0xffc40000 0 0x2c>;
+ reg = <0 0xe6050000 0 0x50>;
interrupt-parent = <&gic>;
interrupts = <0 4 0x4>;
#gpio-cells = <2>;
@@ -99,9 +99,9 @@
interrupt-controller;
};
- gpio1: gpio@ffc41000 {
+ gpio1: gpio@e6051000 {
compatible = "renesas,gpio-r8a7790", "renesas,gpio-rcar";
- reg = <0 0xffc41000 0 0x2c>;
+ reg = <0 0xe6051000 0 0x50>;
interrupt-parent = <&gic>;
interrupts = <0 5 0x4>;
#gpio-cells = <2>;
@@ -111,9 +111,9 @@
interrupt-controller;
};
- gpio2: gpio@ffc42000 {
+ gpio2: gpio@e6052000 {
compatible = "renesas,gpio-r8a7790", "renesas,gpio-rcar";
- reg = <0 0xffc42000 0 0x2c>;
+ reg = <0 0xe6052000 0 0x50>;
interrupt-parent = <&gic>;
interrupts = <0 6 0x4>;
#gpio-cells = <2>;
@@ -123,9 +123,9 @@
interrupt-controller;
};
- gpio3: gpio@ffc43000 {
+ gpio3: gpio@e6053000 {
compatible = "renesas,gpio-r8a7790", "renesas,gpio-rcar";
- reg = <0 0xffc43000 0 0x2c>;
+ reg = <0 0xe6053000 0 0x50>;
interrupt-parent = <&gic>;
interrupts = <0 7 0x4>;
#gpio-cells = <2>;
@@ -135,9 +135,9 @@
interrupt-controller;
};
- gpio4: gpio@ffc44000 {
+ gpio4: gpio@e6054000 {
compatible = "renesas,gpio-r8a7790", "renesas,gpio-rcar";
- reg = <0 0xffc44000 0 0x2c>;
+ reg = <0 0xe6054000 0 0x50>;
interrupt-parent = <&gic>;
interrupts = <0 8 0x4>;
#gpio-cells = <2>;
@@ -147,9 +147,9 @@
interrupt-controller;
};
- gpio5: gpio@ffc45000 {
+ gpio5: gpio@e6055000 {
compatible = "renesas,gpio-r8a7790", "renesas,gpio-rcar";
- reg = <0 0xffc45000 0 0x2c>;
+ reg = <0 0xe6055000 0 0x50>;
interrupt-parent = <&gic>;
interrupts = <0 9 0x4>;
#gpio-cells = <2>;
@@ -241,7 +241,7 @@
sdhi0: sdhi@ee100000 {
compatible = "renesas,sdhi-r8a7790";
- reg = <0 0xee100000 0 0x100>;
+ reg = <0 0xee100000 0 0x200>;
interrupt-parent = <&gic>;
interrupts = <0 165 4>;
cap-sd-highspeed;
@@ -250,7 +250,7 @@
sdhi1: sdhi@ee120000 {
compatible = "renesas,sdhi-r8a7790";
- reg = <0 0xee120000 0 0x100>;
+ reg = <0 0xee120000 0 0x200>;
interrupt-parent = <&gic>;
interrupts = <0 166 4>;
cap-sd-highspeed;
diff --git a/arch/arm/boot/dts/socfpga.dtsi b/arch/arm/boot/dts/socfpga.dtsi
index 6d09b8d42fd..f936476c275 100644
--- a/arch/arm/boot/dts/socfpga.dtsi
+++ b/arch/arm/boot/dts/socfpga.dtsi
@@ -245,14 +245,14 @@
mpu_periph_clk: mpu_periph_clk {
#clock-cells = <0>;
- compatible = "altr,socfpga-gate-clk";
+ compatible = "altr,socfpga-perip-clk";
clocks = <&mpuclk>;
fixed-divider = <4>;
};
mpu_l2_ram_clk: mpu_l2_ram_clk {
#clock-cells = <0>;
- compatible = "altr,socfpga-gate-clk";
+ compatible = "altr,socfpga-perip-clk";
clocks = <&mpuclk>;
fixed-divider = <2>;
};
@@ -266,8 +266,9 @@
l3_main_clk: l3_main_clk {
#clock-cells = <0>;
- compatible = "altr,socfpga-gate-clk";
+ compatible = "altr,socfpga-perip-clk";
clocks = <&mainclk>;
+ fixed-divider = <1>;
};
l3_mp_clk: l3_mp_clk {
diff --git a/arch/arm/boot/dts/sun5i-a10s.dtsi b/arch/arm/boot/dts/sun5i-a10s.dtsi
index 52476742a10..e674c94c720 100644
--- a/arch/arm/boot/dts/sun5i-a10s.dtsi
+++ b/arch/arm/boot/dts/sun5i-a10s.dtsi
@@ -332,5 +332,12 @@
clock-frequency = <100000>;
status = "disabled";
};
+
+ timer@01c60000 {
+ compatible = "allwinner,sun5i-a13-hstimer";
+ reg = <0x01c60000 0x1000>;
+ interrupts = <82>, <83>;
+ clocks = <&ahb_gates 28>;
+ };
};
};
diff --git a/arch/arm/boot/dts/sun5i-a13.dtsi b/arch/arm/boot/dts/sun5i-a13.dtsi
index ce8ef2a45be..1ccd75d37f4 100644
--- a/arch/arm/boot/dts/sun5i-a13.dtsi
+++ b/arch/arm/boot/dts/sun5i-a13.dtsi
@@ -273,5 +273,12 @@
clock-frequency = <100000>;
status = "disabled";
};
+
+ timer@01c60000 {
+ compatible = "allwinner,sun5i-a13-hstimer";
+ reg = <0x01c60000 0x1000>;
+ interrupts = <82>, <83>;
+ clocks = <&ahb_gates 28>;
+ };
};
};
diff --git a/arch/arm/boot/dts/sun6i-a31.dtsi b/arch/arm/boot/dts/sun6i-a31.dtsi
index c1751a64889..7f5878c2784 100644
--- a/arch/arm/boot/dts/sun6i-a31.dtsi
+++ b/arch/arm/boot/dts/sun6i-a31.dtsi
@@ -193,7 +193,10 @@
pio: pinctrl@01c20800 {
compatible = "allwinner,sun6i-a31-pinctrl";
reg = <0x01c20800 0x400>;
- interrupts = <0 11 1>, <0 15 1>, <0 16 1>, <0 17 1>;
+ interrupts = <0 11 4>,
+ <0 15 4>,
+ <0 16 4>,
+ <0 17 4>;
clocks = <&apb1_gates 5>;
gpio-controller;
interrupt-controller;
@@ -212,11 +215,11 @@
timer@01c20c00 {
compatible = "allwinner,sun4i-timer";
reg = <0x01c20c00 0xa0>;
- interrupts = <0 18 1>,
- <0 19 1>,
- <0 20 1>,
- <0 21 1>,
- <0 22 1>;
+ interrupts = <0 18 4>,
+ <0 19 4>,
+ <0 20 4>,
+ <0 21 4>,
+ <0 22 4>;
clocks = <&osc24M>;
};
@@ -228,7 +231,7 @@
uart0: serial@01c28000 {
compatible = "snps,dw-apb-uart";
reg = <0x01c28000 0x400>;
- interrupts = <0 0 1>;
+ interrupts = <0 0 4>;
reg-shift = <2>;
reg-io-width = <4>;
clocks = <&apb2_gates 16>;
@@ -238,7 +241,7 @@
uart1: serial@01c28400 {
compatible = "snps,dw-apb-uart";
reg = <0x01c28400 0x400>;
- interrupts = <0 1 1>;
+ interrupts = <0 1 4>;
reg-shift = <2>;
reg-io-width = <4>;
clocks = <&apb2_gates 17>;
@@ -248,7 +251,7 @@
uart2: serial@01c28800 {
compatible = "snps,dw-apb-uart";
reg = <0x01c28800 0x400>;
- interrupts = <0 2 1>;
+ interrupts = <0 2 4>;
reg-shift = <2>;
reg-io-width = <4>;
clocks = <&apb2_gates 18>;
@@ -258,7 +261,7 @@
uart3: serial@01c28c00 {
compatible = "snps,dw-apb-uart";
reg = <0x01c28c00 0x400>;
- interrupts = <0 3 1>;
+ interrupts = <0 3 4>;
reg-shift = <2>;
reg-io-width = <4>;
clocks = <&apb2_gates 19>;
@@ -268,7 +271,7 @@
uart4: serial@01c29000 {
compatible = "snps,dw-apb-uart";
reg = <0x01c29000 0x400>;
- interrupts = <0 4 1>;
+ interrupts = <0 4 4>;
reg-shift = <2>;
reg-io-width = <4>;
clocks = <&apb2_gates 20>;
@@ -278,7 +281,7 @@
uart5: serial@01c29400 {
compatible = "snps,dw-apb-uart";
reg = <0x01c29400 0x400>;
- interrupts = <0 5 1>;
+ interrupts = <0 5 4>;
reg-shift = <2>;
reg-io-width = <4>;
clocks = <&apb2_gates 21>;
diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
index e46cfedde74..0135039eff9 100644
--- a/arch/arm/boot/dts/sun7i-a20.dtsi
+++ b/arch/arm/boot/dts/sun7i-a20.dtsi
@@ -170,7 +170,7 @@
emac: ethernet@01c0b000 {
compatible = "allwinner,sun4i-emac";
reg = <0x01c0b000 0x1000>;
- interrupts = <0 55 1>;
+ interrupts = <0 55 4>;
clocks = <&ahb_gates 17>;
status = "disabled";
};
@@ -186,7 +186,7 @@
pio: pinctrl@01c20800 {
compatible = "allwinner,sun7i-a20-pinctrl";
reg = <0x01c20800 0x400>;
- interrupts = <0 28 1>;
+ interrupts = <0 28 4>;
clocks = <&apb0_gates 5>;
gpio-controller;
interrupt-controller;
@@ -251,12 +251,12 @@
timer@01c20c00 {
compatible = "allwinner,sun4i-timer";
reg = <0x01c20c00 0x90>;
- interrupts = <0 22 1>,
- <0 23 1>,
- <0 24 1>,
- <0 25 1>,
- <0 67 1>,
- <0 68 1>;
+ interrupts = <0 22 4>,
+ <0 23 4>,
+ <0 24 4>,
+ <0 25 4>,
+ <0 67 4>,
+ <0 68 4>;
clocks = <&osc24M>;
};
@@ -273,7 +273,7 @@
uart0: serial@01c28000 {
compatible = "snps,dw-apb-uart";
reg = <0x01c28000 0x400>;
- interrupts = <0 1 1>;
+ interrupts = <0 1 4>;
reg-shift = <2>;
reg-io-width = <4>;
clocks = <&apb1_gates 16>;
@@ -283,7 +283,7 @@
uart1: serial@01c28400 {
compatible = "snps,dw-apb-uart";
reg = <0x01c28400 0x400>;
- interrupts = <0 2 1>;
+ interrupts = <0 2 4>;
reg-shift = <2>;
reg-io-width = <4>;
clocks = <&apb1_gates 17>;
@@ -293,7 +293,7 @@
uart2: serial@01c28800 {
compatible = "snps,dw-apb-uart";
reg = <0x01c28800 0x400>;
- interrupts = <0 3 1>;
+ interrupts = <0 3 4>;
reg-shift = <2>;
reg-io-width = <4>;
clocks = <&apb1_gates 18>;
@@ -303,7 +303,7 @@
uart3: serial@01c28c00 {
compatible = "snps,dw-apb-uart";
reg = <0x01c28c00 0x400>;
- interrupts = <0 4 1>;
+ interrupts = <0 4 4>;
reg-shift = <2>;
reg-io-width = <4>;
clocks = <&apb1_gates 19>;
@@ -313,7 +313,7 @@
uart4: serial@01c29000 {
compatible = "snps,dw-apb-uart";
reg = <0x01c29000 0x400>;
- interrupts = <0 17 1>;
+ interrupts = <0 17 4>;
reg-shift = <2>;
reg-io-width = <4>;
clocks = <&apb1_gates 20>;
@@ -323,7 +323,7 @@
uart5: serial@01c29400 {
compatible = "snps,dw-apb-uart";
reg = <0x01c29400 0x400>;
- interrupts = <0 18 1>;
+ interrupts = <0 18 4>;
reg-shift = <2>;
reg-io-width = <4>;
clocks = <&apb1_gates 21>;
@@ -333,7 +333,7 @@
uart6: serial@01c29800 {
compatible = "snps,dw-apb-uart";
reg = <0x01c29800 0x400>;
- interrupts = <0 19 1>;
+ interrupts = <0 19 4>;
reg-shift = <2>;
reg-io-width = <4>;
clocks = <&apb1_gates 22>;
@@ -343,7 +343,7 @@
uart7: serial@01c29c00 {
compatible = "snps,dw-apb-uart";
reg = <0x01c29c00 0x400>;
- interrupts = <0 20 1>;
+ interrupts = <0 20 4>;
reg-shift = <2>;
reg-io-width = <4>;
clocks = <&apb1_gates 23>;
@@ -353,7 +353,7 @@
i2c0: i2c@01c2ac00 {
compatible = "allwinner,sun4i-i2c";
reg = <0x01c2ac00 0x400>;
- interrupts = <0 7 1>;
+ interrupts = <0 7 4>;
clocks = <&apb1_gates 0>;
clock-frequency = <100000>;
status = "disabled";
@@ -362,7 +362,7 @@
i2c1: i2c@01c2b000 {
compatible = "allwinner,sun4i-i2c";
reg = <0x01c2b000 0x400>;
- interrupts = <0 8 1>;
+ interrupts = <0 8 4>;
clocks = <&apb1_gates 1>;
clock-frequency = <100000>;
status = "disabled";
@@ -371,7 +371,7 @@
i2c2: i2c@01c2b400 {
compatible = "allwinner,sun4i-i2c";
reg = <0x01c2b400 0x400>;
- interrupts = <0 9 1>;
+ interrupts = <0 9 4>;
clocks = <&apb1_gates 2>;
clock-frequency = <100000>;
status = "disabled";
@@ -380,7 +380,7 @@
i2c3: i2c@01c2b800 {
compatible = "allwinner,sun4i-i2c";
reg = <0x01c2b800 0x400>;
- interrupts = <0 88 1>;
+ interrupts = <0 88 4>;
clocks = <&apb1_gates 3>;
clock-frequency = <100000>;
status = "disabled";
@@ -389,12 +389,22 @@
i2c4: i2c@01c2bc00 {
compatible = "allwinner,sun4i-i2c";
reg = <0x01c2bc00 0x400>;
- interrupts = <0 89 1>;
+ interrupts = <0 89 4>;
clocks = <&apb1_gates 15>;
clock-frequency = <100000>;
status = "disabled";
};
+ hstimer@01c60000 {
+ compatible = "allwinner,sun7i-a20-hstimer";
+ reg = <0x01c60000 0x1000>;
+ interrupts = <0 81 1>,
+ <0 82 1>,
+ <0 83 1>,
+ <0 84 1>;
+ clocks = <&ahb_gates 28>;
+ };
+
gic: interrupt-controller@01c81000 {
compatible = "arm,cortex-a7-gic", "arm,cortex-a15-gic";
reg = <0x01c81000 0x1000>,
diff --git a/arch/arm/boot/dts/tegra20-colibri-512.dtsi b/arch/arm/boot/dts/tegra20-colibri-512.dtsi
index d5c9bca0123..cbe89ff1068 100644
--- a/arch/arm/boot/dts/tegra20-colibri-512.dtsi
+++ b/arch/arm/boot/dts/tegra20-colibri-512.dtsi
@@ -268,8 +268,8 @@
reg = <3>;
regulator-compatible = "sm2";
regulator-name = "vdd_sm2,vin_ldo*";
- regulator-min-microvolt = <3700000>;
- regulator-max-microvolt = <3700000>;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
regulator-always-on;
};
diff --git a/arch/arm/common/it8152.c b/arch/arm/common/it8152.c
index 001f4913799..5114b68e99d 100644
--- a/arch/arm/common/it8152.c
+++ b/arch/arm/common/it8152.c
@@ -257,7 +257,7 @@ static int it8152_needs_bounce(struct device *dev, dma_addr_t dma_addr, size_t s
*/
static int it8152_pci_platform_notify(struct device *dev)
{
- if (dev->bus == &pci_bus_type) {
+ if (dev_is_pci(dev)) {
if (dev->dma_mask)
*dev->dma_mask = (SZ_64M - 1) | PHYS_OFFSET;
dev->coherent_dma_mask = (SZ_64M - 1) | PHYS_OFFSET;
@@ -268,7 +268,7 @@ static int it8152_pci_platform_notify(struct device *dev)
static int it8152_pci_platform_notify_remove(struct device *dev)
{
- if (dev->bus == &pci_bus_type)
+ if (dev_is_pci(dev))
dmabounce_unregister_dev(dev);
return 0;
diff --git a/arch/arm/configs/bcm_defconfig b/arch/arm/configs/bcm_defconfig
index 287ac1d7aac..bede51171d9 100644
--- a/arch/arm/configs/bcm_defconfig
+++ b/arch/arm/configs/bcm_defconfig
@@ -126,3 +126,4 @@ CONFIG_CRC_ITU_T=y
CONFIG_CRC7=y
CONFIG_XZ_DEC=y
CONFIG_AVERAGE=y
+CONFIG_PINCTRL_CAPRI=y
diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index 4a5903e0482..c1df4e9db14 100644
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -69,6 +69,7 @@ CONFIG_KS8851=y
CONFIG_SMSC911X=y
CONFIG_STMMAC_ETH=y
CONFIG_MDIO_SUN4I=y
+CONFIG_TI_CPSW=y
CONFIG_KEYBOARD_SPEAR=y
CONFIG_SERIO_AMBAKMI=y
CONFIG_SERIAL_8250=y
@@ -133,12 +134,14 @@ CONFIG_USB_GPIO_VBUS=y
CONFIG_USB_ISP1301=y
CONFIG_USB_MXS_PHY=y
CONFIG_MMC=y
+CONFIG_MMC_BLOCK_MINORS=16
CONFIG_MMC_ARMMMCI=y
CONFIG_MMC_SDHCI=y
CONFIG_MMC_SDHCI_PLTFM=y
CONFIG_MMC_SDHCI_ESDHC_IMX=y
CONFIG_MMC_SDHCI_TEGRA=y
CONFIG_MMC_SDHCI_SPEAR=y
+CONFIG_MMC_SDHCI_BCM_KONA=y
CONFIG_MMC_OMAP=y
CONFIG_MMC_OMAP_HS=y
CONFIG_EDAC=y
diff --git a/arch/arm/configs/omap2plus_defconfig b/arch/arm/configs/omap2plus_defconfig
index 98a50c309b9..bfa80a11e8c 100644
--- a/arch/arm/configs/omap2plus_defconfig
+++ b/arch/arm/configs/omap2plus_defconfig
@@ -173,6 +173,7 @@ CONFIG_MFD_PALMAS=y
CONFIG_MFD_TPS65217=y
CONFIG_MFD_TPS65910=y
CONFIG_TWL6040_CORE=y
+CONFIG_REGULATOR_FIXED_VOLTAGE=y
CONFIG_REGULATOR_PALMAS=y
CONFIG_REGULATOR_TPS65023=y
CONFIG_REGULATOR_TPS6507X=y
diff --git a/arch/arm/configs/sunxi_defconfig b/arch/arm/configs/sunxi_defconfig
index d57a85badb5..3e2259b6023 100644
--- a/arch/arm/configs/sunxi_defconfig
+++ b/arch/arm/configs/sunxi_defconfig
@@ -12,6 +12,9 @@ CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
CONFIG_INET=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
# CONFIG_INET_XFRM_MODE_TUNNEL is not set
# CONFIG_INET_XFRM_MODE_BEET is not set
@@ -58,4 +61,8 @@ CONFIG_LEDS_TRIGGER_HEARTBEAT=y
CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
CONFIG_COMMON_CLK_DEBUG=y
# CONFIG_IOMMU_SUPPORT is not set
+CONFIG_TMPFS=y
+CONFIG_NFS_FS=y
+CONFIG_ROOT_NFS=y
CONFIG_NLS=y
+CONFIG_PRINTK_TIME=y
diff --git a/arch/arm/configs/u8500_defconfig b/arch/arm/configs/u8500_defconfig
index ac632cc38f2..c6ebc184bf6 100644
--- a/arch/arm/configs/u8500_defconfig
+++ b/arch/arm/configs/u8500_defconfig
@@ -22,6 +22,7 @@ CONFIG_CMDLINE="root=/dev/ram0 console=ttyAMA2,115200n8"
CONFIG_CPU_FREQ=y
CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
CONFIG_CPU_IDLE=y
+CONFIG_ARM_U8500_CPUIDLE=y
CONFIG_VFP=y
CONFIG_NEON=y
CONFIG_PM_RUNTIME=y
@@ -109,6 +110,8 @@ CONFIG_EXT2_FS_SECURITY=y
CONFIG_EXT3_FS=y
CONFIG_EXT4_FS=y
CONFIG_VFAT_FS=y
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
CONFIG_TMPFS=y
CONFIG_TMPFS_POSIX_ACL=y
# CONFIG_MISC_FILESYSTEMS is not set
diff --git a/arch/arm/crypto/aesbs-core.S_shipped b/arch/arm/crypto/aesbs-core.S_shipped
index 64205d45326..71e5fc7cfb1 100644
--- a/arch/arm/crypto/aesbs-core.S_shipped
+++ b/arch/arm/crypto/aesbs-core.S_shipped
@@ -58,7 +58,7 @@
# define VFP_ABI_FRAME 0
# define BSAES_ASM_EXTENDED_KEY
# define XTS_CHAIN_TWEAK
-# define __ARM_ARCH__ __LINUX_ARM_ARCH__
+# define __ARM_ARCH__ 7
#endif
#ifdef __thumb__
diff --git a/arch/arm/crypto/bsaes-armv7.pl b/arch/arm/crypto/bsaes-armv7.pl
index f3d96d93257..be068db960e 100644
--- a/arch/arm/crypto/bsaes-armv7.pl
+++ b/arch/arm/crypto/bsaes-armv7.pl
@@ -701,7 +701,7 @@ $code.=<<___;
# define VFP_ABI_FRAME 0
# define BSAES_ASM_EXTENDED_KEY
# define XTS_CHAIN_TWEAK
-# define __ARM_ARCH__ __LINUX_ARM_ARCH__
+# define __ARM_ARCH__ 7
#endif
#ifdef __thumb__
diff --git a/arch/arm/include/asm/barrier.h b/arch/arm/include/asm/barrier.h
index 60f15e274e6..2f59f744339 100644
--- a/arch/arm/include/asm/barrier.h
+++ b/arch/arm/include/asm/barrier.h
@@ -59,6 +59,21 @@
#define smp_wmb() dmb(ishst)
#endif
+#define smp_store_release(p, v) \
+do { \
+ compiletime_assert_atomic_type(*p); \
+ smp_mb(); \
+ ACCESS_ONCE(*p) = (v); \
+} while (0)
+
+#define smp_load_acquire(p) \
+({ \
+ typeof(*p) ___p1 = ACCESS_ONCE(*p); \
+ compiletime_assert_atomic_type(*p); \
+ smp_mb(); \
+ ___p1; \
+})
+
#define read_barrier_depends() do { } while(0)
#define smp_read_barrier_depends() do { } while(0)
diff --git a/arch/arm/include/asm/dma.h b/arch/arm/include/asm/dma.h
index 58b8c6a0ab1..99084431d6a 100644
--- a/arch/arm/include/asm/dma.h
+++ b/arch/arm/include/asm/dma.h
@@ -8,8 +8,8 @@
#define MAX_DMA_ADDRESS 0xffffffffUL
#else
#define MAX_DMA_ADDRESS ({ \
- extern unsigned long arm_dma_zone_size; \
- arm_dma_zone_size ? \
+ extern phys_addr_t arm_dma_zone_size; \
+ arm_dma_zone_size && arm_dma_zone_size < (0x10000000 - PAGE_OFFSET) ? \
(PAGE_OFFSET + arm_dma_zone_size) : 0xffffffffUL; })
#endif
diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h
index 3c597c222ef..fbeb39c869e 100644
--- a/arch/arm/include/asm/io.h
+++ b/arch/arm/include/asm/io.h
@@ -329,7 +329,7 @@ extern void _memset_io(volatile void __iomem *, int, size_t);
*/
#define ioremap(cookie,size) __arm_ioremap((cookie), (size), MT_DEVICE)
#define ioremap_nocache(cookie,size) __arm_ioremap((cookie), (size), MT_DEVICE)
-#define ioremap_cached(cookie,size) __arm_ioremap((cookie), (size), MT_DEVICE_CACHED)
+#define ioremap_cache(cookie,size) __arm_ioremap((cookie), (size), MT_DEVICE_CACHED)
#define ioremap_wc(cookie,size) __arm_ioremap((cookie), (size), MT_DEVICE_WC)
#define iounmap __arm_iounmap
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 9ecccc86504..8756e4bcdba 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -100,23 +100,19 @@
#define TASK_UNMAPPED_BASE UL(0x00000000)
#endif
-#ifndef PHYS_OFFSET
-#define PHYS_OFFSET UL(CONFIG_DRAM_BASE)
-#endif
-
#ifndef END_MEM
#define END_MEM (UL(CONFIG_DRAM_BASE) + CONFIG_DRAM_SIZE)
#endif
#ifndef PAGE_OFFSET
-#define PAGE_OFFSET (PHYS_OFFSET)
+#define PAGE_OFFSET PLAT_PHYS_OFFSET
#endif
/*
* The module can be at any place in ram in nommu mode.
*/
#define MODULES_END (END_MEM)
-#define MODULES_VADDR (PHYS_OFFSET)
+#define MODULES_VADDR PAGE_OFFSET
#define XIP_VIRT_ADDR(physaddr) (physaddr)
@@ -157,6 +153,16 @@
#endif
#define ARCH_PGD_MASK ((1 << ARCH_PGD_SHIFT) - 1)
+/*
+ * PLAT_PHYS_OFFSET is the offset (from zero) of the start of physical
+ * memory. This is used for XIP and NoMMU kernels, or by kernels which
+ * have their own mach/memory.h. Assembly code must always use
+ * PLAT_PHYS_OFFSET and not PHYS_OFFSET.
+ */
+#ifndef PLAT_PHYS_OFFSET
+#define PLAT_PHYS_OFFSET UL(CONFIG_PHYS_OFFSET)
+#endif
+
#ifndef __ASSEMBLY__
/*
@@ -239,6 +245,8 @@ static inline unsigned long __phys_to_virt(phys_addr_t x)
#else
+#define PHYS_OFFSET PLAT_PHYS_OFFSET
+
static inline phys_addr_t __virt_to_phys(unsigned long x)
{
return (phys_addr_t)x - PAGE_OFFSET + PHYS_OFFSET;
@@ -251,17 +259,6 @@ static inline unsigned long __phys_to_virt(phys_addr_t x)
#endif
#endif
-#endif /* __ASSEMBLY__ */
-
-#ifndef PHYS_OFFSET
-#ifdef PLAT_PHYS_OFFSET
-#define PHYS_OFFSET PLAT_PHYS_OFFSET
-#else
-#define PHYS_OFFSET UL(CONFIG_PHYS_OFFSET)
-#endif
-#endif
-
-#ifndef __ASSEMBLY__
/*
* PFNs are used to describe any physical page; this means
@@ -350,7 +347,8 @@ static inline __deprecated void *bus_to_virt(unsigned long x)
#define ARCH_PFN_OFFSET PHYS_PFN_OFFSET
#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
-#define virt_addr_valid(kaddr) ((unsigned long)(kaddr) >= PAGE_OFFSET && (unsigned long)(kaddr) < (unsigned long)high_memory)
+#define virt_addr_valid(kaddr) (((unsigned long)(kaddr) >= PAGE_OFFSET && (unsigned long)(kaddr) < (unsigned long)high_memory) \
+ && pfn_valid(__pa(kaddr) >> PAGE_SHIFT) )
#endif
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h
index be956dbf6ba..1571d126e9d 100644
--- a/arch/arm/include/asm/pgtable.h
+++ b/arch/arm/include/asm/pgtable.h
@@ -61,7 +61,7 @@ extern void __pgd_error(const char *file, int line, pgd_t);
* mapping to be mapped at. This is particularly important for
* non-high vector CPUs.
*/
-#define FIRST_USER_ADDRESS PAGE_SIZE
+#define FIRST_USER_ADDRESS (PAGE_SIZE * 2)
/*
* Use TASK_SIZE as the ceiling argument for free_pgtables() and
diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h
index 141baa3f9a7..acabef1a75d 100644
--- a/arch/arm/include/asm/unistd.h
+++ b/arch/arm/include/asm/unistd.h
@@ -15,7 +15,7 @@
#include <uapi/asm/unistd.h>
-#define __NR_syscalls (380)
+#define __NR_syscalls (384)
#define __ARM_NR_cmpxchg (__ARM_NR_BASE+0x00fff0)
#define __ARCH_WANT_STAT64
diff --git a/arch/arm/include/asm/xen/page.h b/arch/arm/include/asm/xen/page.h
index 75579a9d6f7..3759cacdd7f 100644
--- a/arch/arm/include/asm/xen/page.h
+++ b/arch/arm/include/asm/xen/page.h
@@ -117,6 +117,6 @@ static inline bool set_phys_to_machine(unsigned long pfn, unsigned long mfn)
return __set_phys_to_machine(pfn, mfn);
}
-#define xen_remap(cookie, size) ioremap_cached((cookie), (size));
+#define xen_remap(cookie, size) ioremap_cache((cookie), (size));
#endif /* _ASM_ARM_XEN_PAGE_H */
diff --git a/arch/arm/include/uapi/asm/unistd.h b/arch/arm/include/uapi/asm/unistd.h
index af33b44990e..fb5584d0cc0 100644
--- a/arch/arm/include/uapi/asm/unistd.h
+++ b/arch/arm/include/uapi/asm/unistd.h
@@ -406,6 +406,8 @@
#define __NR_process_vm_writev (__NR_SYSCALL_BASE+377)
#define __NR_kcmp (__NR_SYSCALL_BASE+378)
#define __NR_finit_module (__NR_SYSCALL_BASE+379)
+#define __NR_sched_setattr (__NR_SYSCALL_BASE+380)
+#define __NR_sched_getattr (__NR_SYSCALL_BASE+381)
/*
* This may need to be greater than __NR_last_syscall+1 in order to
diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index c6ca7e37677..166e945de83 100644
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -389,6 +389,8 @@
CALL(sys_process_vm_writev)
CALL(sys_kcmp)
CALL(sys_finit_module)
+/* 380 */ CALL(sys_sched_setattr)
+ CALL(sys_sched_getattr)
#ifndef syscalls_counted
.equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
#define syscalls_counted
diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c
index 739c3dfc1da..f751714d52c 100644
--- a/arch/arm/kernel/devtree.c
+++ b/arch/arm/kernel/devtree.c
@@ -33,7 +33,7 @@ void __init early_init_dt_add_memory_arch(u64 base, u64 size)
void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align)
{
- return alloc_bootmem_align(size, align);
+ return memblock_virt_alloc(size, align);
}
void __init arm_dt_memblock_reserve(void)
@@ -171,7 +171,7 @@ void __init arm_dt_init_cpu_maps(void)
bool arch_match_cpu_phys_id(int cpu, u64 phys_id)
{
- return (phys_id & MPIDR_HWID_BITMASK) == cpu_logical_map(cpu);
+ return phys_id == cpu_logical_map(cpu);
}
static const void * __init arch_get_next_mach(const char *const **match)
diff --git a/arch/arm/kernel/head-nommu.S b/arch/arm/kernel/head-nommu.S
index 14235ba64a9..716249cc2ee 100644
--- a/arch/arm/kernel/head-nommu.S
+++ b/arch/arm/kernel/head-nommu.S
@@ -68,7 +68,7 @@ ENTRY(stext)
#ifdef CONFIG_ARM_MPU
/* Calculate the size of a region covering just the kernel */
- ldr r5, =PHYS_OFFSET @ Region start: PHYS_OFFSET
+ ldr r5, =PLAT_PHYS_OFFSET @ Region start: PHYS_OFFSET
ldr r6, =(_end) @ Cover whole kernel
sub r6, r6, r5 @ Minimum size of region to map
clz r6, r6 @ Region size must be 2^N...
@@ -213,7 +213,7 @@ ENTRY(__setup_mpu)
set_region_nr r0, #MPU_RAM_REGION
isb
/* Full access from PL0, PL1, shared for CONFIG_SMP, cacheable */
- ldr r0, =PHYS_OFFSET @ RAM starts at PHYS_OFFSET
+ ldr r0, =PLAT_PHYS_OFFSET @ RAM starts at PHYS_OFFSET
ldr r5,=(MPU_AP_PL1RW_PL0RW | MPU_RGN_NORMAL)
setup_region r0, r5, r6, MPU_DATA_SIDE @ PHYS_OFFSET, shared, enabled
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index 11d59b32fb8..32f317e5828 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -110,7 +110,7 @@ ENTRY(stext)
sub r4, r3, r4 @ (PHYS_OFFSET - PAGE_OFFSET)
add r8, r8, r4 @ PHYS_OFFSET
#else
- ldr r8, =PHYS_OFFSET @ always constant in this case
+ ldr r8, =PLAT_PHYS_OFFSET @ always constant in this case
#endif
/*
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c
index 57221e349a7..f0d180d8b29 100644
--- a/arch/arm/kernel/machine_kexec.c
+++ b/arch/arm/kernel/machine_kexec.c
@@ -14,11 +14,12 @@
#include <asm/pgalloc.h>
#include <asm/mmu_context.h>
#include <asm/cacheflush.h>
+#include <asm/fncpy.h>
#include <asm/mach-types.h>
#include <asm/smp_plat.h>
#include <asm/system_misc.h>
-extern const unsigned char relocate_new_kernel[];
+extern void relocate_new_kernel(void);
extern const unsigned int relocate_new_kernel_size;
extern unsigned long kexec_start_address;
@@ -142,6 +143,8 @@ void machine_kexec(struct kimage *image)
{
unsigned long page_list;
unsigned long reboot_code_buffer_phys;
+ unsigned long reboot_entry = (unsigned long)relocate_new_kernel;
+ unsigned long reboot_entry_phys;
void *reboot_code_buffer;
/*
@@ -168,16 +171,16 @@ void machine_kexec(struct kimage *image)
/* copy our kernel relocation code to the control code page */
- memcpy(reboot_code_buffer,
- relocate_new_kernel, relocate_new_kernel_size);
+ reboot_entry = fncpy(reboot_code_buffer,
+ reboot_entry,
+ relocate_new_kernel_size);
+ reboot_entry_phys = (unsigned long)reboot_entry +
+ (reboot_code_buffer_phys - (unsigned long)reboot_code_buffer);
-
- flush_icache_range((unsigned long) reboot_code_buffer,
- (unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE);
printk(KERN_INFO "Bye!\n");
if (kexec_reinit)
kexec_reinit();
- soft_restart(reboot_code_buffer_phys);
+ soft_restart(reboot_entry_phys);
}
diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index bc3f2efa0d8..789d846a918 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -99,10 +99,6 @@ int armpmu_event_set_period(struct perf_event *event)
s64 period = hwc->sample_period;
int ret = 0;
- /* The period may have been changed by PERF_EVENT_IOC_PERIOD */
- if (unlikely(period != hwc->last_period))
- left = period - (hwc->last_period - left);
-
if (unlikely(left <= -period)) {
left = period;
local64_set(&hwc->period_left, left);
diff --git a/arch/arm/kernel/perf_event_cpu.c b/arch/arm/kernel/perf_event_cpu.c
index d85055cd24b..20d553c9f5e 100644
--- a/arch/arm/kernel/perf_event_cpu.c
+++ b/arch/arm/kernel/perf_event_cpu.c
@@ -254,7 +254,7 @@ static int probe_current_pmu(struct arm_pmu *pmu)
static int cpu_pmu_device_probe(struct platform_device *pdev)
{
const struct of_device_id *of_id;
- int (*init_fn)(struct arm_pmu *);
+ const int (*init_fn)(struct arm_pmu *);
struct device_node *node = pdev->dev.of_node;
struct arm_pmu *pmu;
int ret = -ENODEV;
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 94f6b05f9e2..92f7b15dd22 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -404,6 +404,7 @@ EXPORT_SYMBOL(dump_fpu);
unsigned long get_wchan(struct task_struct *p)
{
struct stackframe frame;
+ unsigned long stack_page;
int count = 0;
if (!p || p == current || p->state == TASK_RUNNING)
return 0;
@@ -412,9 +413,11 @@ unsigned long get_wchan(struct task_struct *p)
frame.sp = thread_saved_sp(p);
frame.lr = 0; /* recovered from the stack */
frame.pc = thread_saved_pc(p);
+ stack_page = (unsigned long)task_stack_page(p);
do {
- int ret = unwind_frame(&frame);
- if (ret < 0)
+ if (frame.sp < stack_page ||
+ frame.sp >= stack_page + THREAD_SIZE ||
+ unwind_frame(&frame) < 0)
return 0;
if (!in_sched_functions(frame.pc))
return frame.pc;
diff --git a/arch/arm/kernel/relocate_kernel.S b/arch/arm/kernel/relocate_kernel.S
index d0cdedf4864..95858966d84 100644
--- a/arch/arm/kernel/relocate_kernel.S
+++ b/arch/arm/kernel/relocate_kernel.S
@@ -2,10 +2,12 @@
* relocate_kernel.S - put the kernel image in place to boot
*/
+#include <linux/linkage.h>
#include <asm/kexec.h>
- .globl relocate_new_kernel
-relocate_new_kernel:
+ .align 3 /* not needed for this code, but keeps fncpy() happy */
+
+ENTRY(relocate_new_kernel)
ldr r0,kexec_indirection_page
ldr r1,kexec_start_address
@@ -79,6 +81,8 @@ kexec_mach_type:
kexec_boot_atags:
.long 0x0
+ENDPROC(relocate_new_kernel)
+
relocate_new_kernel_end:
.globl relocate_new_kernel_size
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 6a1b8a81b1a..8ce1cbd08db 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -717,7 +717,7 @@ static void __init request_standard_resources(const struct machine_desc *mdesc)
kernel_data.end = virt_to_phys(_end - 1);
for_each_memblock(memory, region) {
- res = alloc_bootmem_low(sizeof(*res));
+ res = memblock_virt_alloc(sizeof(*res), 0);
res->name = "System RAM";
res->start = __pfn_to_phys(memblock_region_memory_base_pfn(region));
res->end = __pfn_to_phys(memblock_region_memory_end_pfn(region)) - 1;
@@ -873,8 +873,6 @@ void __init setup_arch(char **cmdline_p)
machine_desc = mdesc;
machine_name = mdesc->name;
- setup_dma_zone(mdesc);
-
if (mdesc->reboot_mode != REBOOT_HARD)
reboot_mode = mdesc->reboot_mode;
@@ -892,6 +890,7 @@ void __init setup_arch(char **cmdline_p)
sort(&meminfo.bank, meminfo.nr_banks, sizeof(meminfo.bank[0]), meminfo_cmp, NULL);
early_paging_init(mdesc, lookup_processor_type(read_cpuid_id()));
+ setup_dma_zone(mdesc);
sanity_check_meminfo();
arm_memblock_init(&meminfo, mdesc);
diff --git a/arch/arm/kernel/sigreturn_codes.S b/arch/arm/kernel/sigreturn_codes.S
index 3c5d0f2170f..b84d0cb1368 100644
--- a/arch/arm/kernel/sigreturn_codes.S
+++ b/arch/arm/kernel/sigreturn_codes.S
@@ -30,6 +30,27 @@
* snippets.
*/
+/*
+ * In CPU_THUMBONLY case kernel arm opcodes are not allowed.
+ * Note in this case codes skips those instructions but it uses .org
+ * directive to keep correct layout of sigreturn_codes array.
+ */
+#ifndef CONFIG_CPU_THUMBONLY
+#define ARM_OK(code...) code
+#else
+#define ARM_OK(code...)
+#endif
+
+ .macro arm_slot n
+ .org sigreturn_codes + 12 * (\n)
+ARM_OK( .arm )
+ .endm
+
+ .macro thumb_slot n
+ .org sigreturn_codes + 12 * (\n) + 8
+ .thumb
+ .endm
+
#if __LINUX_ARM_ARCH__ <= 4
/*
* Note we manually set minimally required arch that supports
@@ -45,26 +66,27 @@
.global sigreturn_codes
.type sigreturn_codes, #object
- .arm
+ .align
sigreturn_codes:
/* ARM sigreturn syscall code snippet */
- mov r7, #(__NR_sigreturn - __NR_SYSCALL_BASE)
- swi #(__NR_sigreturn)|(__NR_OABI_SYSCALL_BASE)
+ arm_slot 0
+ARM_OK( mov r7, #(__NR_sigreturn - __NR_SYSCALL_BASE) )
+ARM_OK( swi #(__NR_sigreturn)|(__NR_OABI_SYSCALL_BASE) )
/* Thumb sigreturn syscall code snippet */
- .thumb
+ thumb_slot 0
movs r7, #(__NR_sigreturn - __NR_SYSCALL_BASE)
swi #0
/* ARM sigreturn_rt syscall code snippet */
- .arm
- mov r7, #(__NR_rt_sigreturn - __NR_SYSCALL_BASE)
- swi #(__NR_rt_sigreturn)|(__NR_OABI_SYSCALL_BASE)
+ arm_slot 1
+ARM_OK( mov r7, #(__NR_rt_sigreturn - __NR_SYSCALL_BASE) )
+ARM_OK( swi #(__NR_rt_sigreturn)|(__NR_OABI_SYSCALL_BASE) )
/* Thumb sigreturn_rt syscall code snippet */
- .thumb
+ thumb_slot 1
movs r7, #(__NR_rt_sigreturn - __NR_SYSCALL_BASE)
swi #0
@@ -74,7 +96,7 @@ sigreturn_codes:
* it is thumb case or not, so we need additional
* word after real last entry.
*/
- .arm
+ arm_slot 2
.space 4
.size sigreturn_codes, . - sigreturn_codes
diff --git a/arch/arm/kernel/stacktrace.c b/arch/arm/kernel/stacktrace.c
index 00f79e59985..af4e8c8a542 100644
--- a/arch/arm/kernel/stacktrace.c
+++ b/arch/arm/kernel/stacktrace.c
@@ -31,7 +31,7 @@ int notrace unwind_frame(struct stackframe *frame)
high = ALIGN(low, THREAD_SIZE);
/* check current frame pointer is within bounds */
- if (fp < (low + 12) || fp + 4 >= high)
+ if (fp < low + 12 || fp > high - 4)
return -EINVAL;
/* restore the registers from the stack frame */
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index dbf0923e8d7..4636d56af2d 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -36,7 +36,13 @@
#include <asm/system_misc.h>
#include <asm/opcodes.h>
-static const char *handler[]= { "prefetch abort", "data abort", "address exception", "interrupt" };
+static const char *handler[]= {
+ "prefetch abort",
+ "data abort",
+ "address exception",
+ "interrupt",
+ "undefined instruction",
+};
void *vectors_page;
@@ -425,9 +431,10 @@ asmlinkage void __exception do_undefinstr(struct pt_regs *regs)
instr2 = __mem_to_opcode_thumb16(instr2);
instr = __opcode_thumb32_compose(instr, instr2);
}
- } else if (get_user(instr, (u32 __user *)pc)) {
+ } else {
+ if (get_user(instr, (u32 __user *)pc))
+ goto die_sig;
instr = __mem_to_opcode_arm(instr);
- goto die_sig;
}
if (call_undef_hook(regs, instr) == 0)
@@ -509,9 +516,10 @@ static inline int
__do_cache_op(unsigned long start, unsigned long end)
{
int ret;
- unsigned long chunk = PAGE_SIZE;
do {
+ unsigned long chunk = min(PAGE_SIZE, end - start);
+
if (signal_pending(current)) {
struct thread_info *ti = current_thread_info();
diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
index 2d4b4a8068c..1d8248ea566 100644
--- a/arch/arm/kvm/arm.c
+++ b/arch/arm/kvm/arm.c
@@ -17,6 +17,7 @@
*/
#include <linux/cpu.h>
+#include <linux/cpu_pm.h>
#include <linux/errno.h>
#include <linux/err.h>
#include <linux/kvm_host.h>
@@ -872,6 +873,33 @@ static struct notifier_block hyp_init_cpu_nb = {
.notifier_call = hyp_init_cpu_notify,
};
+#ifdef CONFIG_CPU_PM
+static int hyp_init_cpu_pm_notifier(struct notifier_block *self,
+ unsigned long cmd,
+ void *v)
+{
+ if (cmd == CPU_PM_EXIT) {
+ cpu_init_hyp_mode(NULL);
+ return NOTIFY_OK;
+ }
+
+ return NOTIFY_DONE;
+}
+
+static struct notifier_block hyp_init_cpu_pm_nb = {
+ .notifier_call = hyp_init_cpu_pm_notifier,
+};
+
+static void __init hyp_cpu_pm_init(void)
+{
+ cpu_pm_register_notifier(&hyp_init_cpu_pm_nb);
+}
+#else
+static inline void hyp_cpu_pm_init(void)
+{
+}
+#endif
+
/**
* Inits Hyp-mode on all online CPUs
*/
@@ -1032,6 +1060,8 @@ int kvm_arch_init(void *opaque)
goto out_err;
}
+ hyp_cpu_pm_init();
+
kvm_coproc_table_init();
return 0;
out_err:
diff --git a/arch/arm/lib/delay-loop.S b/arch/arm/lib/delay-loop.S
index 36b668d8e12..bc1033b897b 100644
--- a/arch/arm/lib/delay-loop.S
+++ b/arch/arm/lib/delay-loop.S
@@ -40,6 +40,7 @@ ENTRY(__loop_const_udelay) @ 0 <= r0 <= 0x7fffff06
/*
* loops = r0 * HZ * loops_per_jiffy / 1000000
*/
+ .align 3
@ Delay routine
ENTRY(__loop_delay)
diff --git a/arch/arm/mach-at91/Kconfig.non_dt b/arch/arm/mach-at91/Kconfig.non_dt
index ca900be144c..0363dba7d3f 100644
--- a/arch/arm/mach-at91/Kconfig.non_dt
+++ b/arch/arm/mach-at91/Kconfig.non_dt
@@ -241,7 +241,7 @@ config MACH_PCONTROL_G20
bool "PControl G20 CPU module"
help
Select this if you are using taskit's Stamp9G20 CPU module on this
- carrier board, beeing the decentralized unit of a building automation
+ carrier board, being the decentralized unit of a building automation
system; featuring nvram, eth-switch, iso-rs485, display, io
config MACH_GSIA18S
diff --git a/arch/arm/mach-at91/at91rm9200_time.c b/arch/arm/mach-at91/at91rm9200_time.c
index f607deb40f4..bc7b363a308 100644
--- a/arch/arm/mach-at91/at91rm9200_time.c
+++ b/arch/arm/mach-at91/at91rm9200_time.c
@@ -174,7 +174,6 @@ clkevt32k_next_event(unsigned long delta, struct clock_event_device *dev)
static struct clock_event_device clkevt = {
.name = "at91_tick",
.features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
- .shift = 32,
.rating = 150,
.set_next_event = clkevt32k_next_event,
.set_mode = clkevt32k_mode,
@@ -265,11 +264,9 @@ void __init at91rm9200_timer_init(void)
at91_st_write(AT91_ST_RTMR, 1);
/* Setup timer clockevent, with minimum of two ticks (important!!) */
- clkevt.mult = div_sc(AT91_SLOW_CLOCK, NSEC_PER_SEC, clkevt.shift);
- clkevt.max_delta_ns = clockevent_delta2ns(AT91_ST_ALMV, &clkevt);
- clkevt.min_delta_ns = clockevent_delta2ns(2, &clkevt) + 1;
clkevt.cpumask = cpumask_of(0);
- clockevents_register_device(&clkevt);
+ clockevents_config_and_register(&clkevt, AT91_SLOW_CLOCK,
+ 2, AT91_ST_ALMV);
/* register clocksource */
clocksource_register_hz(&clk32k, AT91_SLOW_CLOCK);
diff --git a/arch/arm/mach-at91/pm.h b/arch/arm/mach-at91/pm.h
index 3ed190ce062..c5101dcb4fb 100644
--- a/arch/arm/mach-at91/pm.h
+++ b/arch/arm/mach-at91/pm.h
@@ -16,7 +16,11 @@
#include <mach/at91_ramc.h>
#include <mach/at91rm9200_sdramc.h>
+#ifdef CONFIG_PM
extern void at91_pm_set_standby(void (*at91_standby)(void));
+#else
+static inline void at91_pm_set_standby(void (*at91_standby)(void)) { }
+#endif
/*
* The AT91RM9200 goes into self-refresh mode with this command, and will
diff --git a/arch/arm/mach-at91/sama5d3.c b/arch/arm/mach-at91/sama5d3.c
index 3ea86428ee0..a28873fe304 100644
--- a/arch/arm/mach-at91/sama5d3.c
+++ b/arch/arm/mach-at91/sama5d3.c
@@ -95,19 +95,19 @@ static struct clk twi0_clk = {
.name = "twi0_clk",
.pid = SAMA5D3_ID_TWI0,
.type = CLK_TYPE_PERIPHERAL,
- .div = AT91_PMC_PCR_DIV2,
+ .div = AT91_PMC_PCR_DIV8,
};
static struct clk twi1_clk = {
.name = "twi1_clk",
.pid = SAMA5D3_ID_TWI1,
.type = CLK_TYPE_PERIPHERAL,
- .div = AT91_PMC_PCR_DIV2,
+ .div = AT91_PMC_PCR_DIV8,
};
static struct clk twi2_clk = {
.name = "twi2_clk",
.pid = SAMA5D3_ID_TWI2,
.type = CLK_TYPE_PERIPHERAL,
- .div = AT91_PMC_PCR_DIV2,
+ .div = AT91_PMC_PCR_DIV8,
};
static struct clk mmc0_clk = {
.name = "mci0_clk",
diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig
index 9fe6d88737e..b1aa6a9b3bd 100644
--- a/arch/arm/mach-bcm/Kconfig
+++ b/arch/arm/mach-bcm/Kconfig
@@ -25,6 +25,7 @@ config ARCH_BCM_MOBILE
select TICK_ONESHOT
select CACHE_L2X0
select HAVE_ARM_ARCH_TIMER
+ select PINCTRL
help
This enables support for systems based on Broadcom mobile SoCs.
It currently supports the 'BCM281XX' family, which includes
diff --git a/arch/arm/mach-clps711x/devices.c b/arch/arm/mach-clps711x/devices.c
index fb77d1448fe..2001488a5ef 100644
--- a/arch/arm/mach-clps711x/devices.c
+++ b/arch/arm/mach-clps711x/devices.c
@@ -61,8 +61,29 @@ static void __init clps711x_add_syscon(void)
&clps711x_syscon_res[i], 1);
}
+static const struct resource clps711x_uart1_res[] __initconst = {
+ DEFINE_RES_MEM(CLPS711X_PHYS_BASE + UARTDR1, SZ_128),
+ DEFINE_RES_IRQ(IRQ_UTXINT1),
+ DEFINE_RES_IRQ(IRQ_URXINT1),
+};
+
+static const struct resource clps711x_uart2_res[] __initconst = {
+ DEFINE_RES_MEM(CLPS711X_PHYS_BASE + UARTDR2, SZ_128),
+ DEFINE_RES_IRQ(IRQ_UTXINT2),
+ DEFINE_RES_IRQ(IRQ_URXINT2),
+};
+
+static void __init clps711x_add_uart(void)
+{
+ platform_device_register_simple("clps711x-uart", 0, clps711x_uart1_res,
+ ARRAY_SIZE(clps711x_uart1_res));
+ platform_device_register_simple("clps711x-uart", 1, clps711x_uart2_res,
+ ARRAY_SIZE(clps711x_uart2_res));
+};
+
void __init clps711x_devices_init(void)
{
clps711x_add_gpio();
clps711x_add_syscon();
+ clps711x_add_uart();
}
diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index c46eccbbd51..78829c513fd 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -487,7 +487,7 @@ int __init da8xx_register_emac(void)
static struct resource da830_mcasp1_resources[] = {
{
- .name = "mcasp1",
+ .name = "mpu",
.start = DAVINCI_DA830_MCASP1_REG_BASE,
.end = DAVINCI_DA830_MCASP1_REG_BASE + (SZ_1K * 12) - 1,
.flags = IORESOURCE_MEM,
@@ -515,7 +515,7 @@ static struct platform_device da830_mcasp1_device = {
static struct resource da850_mcasp_resources[] = {
{
- .name = "mcasp",
+ .name = "mpu",
.start = DAVINCI_DA8XX_MCASP0_REG_BASE,
.end = DAVINCI_DA8XX_MCASP0_REG_BASE + (SZ_1K * 12) - 1,
.flags = IORESOURCE_MEM,
diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c
index ef9ff1fb6f5..6117fc64418 100644
--- a/arch/arm/mach-davinci/dm355.c
+++ b/arch/arm/mach-davinci/dm355.c
@@ -641,6 +641,7 @@ static struct platform_device dm355_edma_device = {
static struct resource dm355_asp1_resources[] = {
{
+ .name = "mpu",
.start = DAVINCI_ASP1_BASE,
.end = DAVINCI_ASP1_BASE + SZ_8K - 1,
.flags = IORESOURCE_MEM,
@@ -906,7 +907,7 @@ static struct davinci_gpio_platform_data dm355_gpio_platform_data = {
int __init dm355_gpio_register(void)
{
return davinci_gpio_register(dm355_gpio_resources,
- sizeof(dm355_gpio_resources),
+ ARRAY_SIZE(dm355_gpio_resources),
&dm355_gpio_platform_data);
}
/*----------------------------------------------------------------------*/
diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index 1511a0680f9..d7c6f85d3fc 100644
--- a/arch/arm/mach-davinci/dm365.c
+++ b/arch/arm/mach-davinci/dm365.c
@@ -720,7 +720,7 @@ static struct davinci_gpio_platform_data dm365_gpio_platform_data = {
int __init dm365_gpio_register(void)
{
return davinci_gpio_register(dm365_gpio_resources,
- sizeof(dm365_gpio_resources),
+ ARRAY_SIZE(dm365_gpio_resources),
&dm365_gpio_platform_data);
}
@@ -942,6 +942,7 @@ static struct platform_device dm365_edma_device = {
static struct resource dm365_asp_resources[] = {
{
+ .name = "mpu",
.start = DAVINCI_DM365_ASP0_BASE,
.end = DAVINCI_DM365_ASP0_BASE + SZ_8K - 1,
.flags = IORESOURCE_MEM,
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
index 143a3217e8e..3ce47997bb4 100644
--- a/arch/arm/mach-davinci/dm644x.c
+++ b/arch/arm/mach-davinci/dm644x.c
@@ -572,6 +572,7 @@ static struct platform_device dm644x_edma_device = {
/* DM6446 EVM uses ASP0; line-out is a pair of RCA jacks */
static struct resource dm644x_asp_resources[] = {
{
+ .name = "mpu",
.start = DAVINCI_ASP0_BASE,
.end = DAVINCI_ASP0_BASE + SZ_8K - 1,
.flags = IORESOURCE_MEM,
@@ -792,7 +793,7 @@ static struct davinci_gpio_platform_data dm644_gpio_platform_data = {
int __init dm644x_gpio_register(void)
{
return davinci_gpio_register(dm644_gpio_resources,
- sizeof(dm644_gpio_resources),
+ ARRAY_SIZE(dm644_gpio_resources),
&dm644_gpio_platform_data);
}
/*----------------------------------------------------------------------*/
diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c
index 2a73f299c1d..0e81fea65e7 100644
--- a/arch/arm/mach-davinci/dm646x.c
+++ b/arch/arm/mach-davinci/dm646x.c
@@ -621,7 +621,7 @@ static struct platform_device dm646x_edma_device = {
static struct resource dm646x_mcasp0_resources[] = {
{
- .name = "mcasp0",
+ .name = "mpu",
.start = DAVINCI_DM646X_MCASP0_REG_BASE,
.end = DAVINCI_DM646X_MCASP0_REG_BASE + (SZ_1K << 1) - 1,
.flags = IORESOURCE_MEM,
@@ -641,7 +641,7 @@ static struct resource dm646x_mcasp0_resources[] = {
static struct resource dm646x_mcasp1_resources[] = {
{
- .name = "mcasp1",
+ .name = "mpu",
.start = DAVINCI_DM646X_MCASP1_REG_BASE,
.end = DAVINCI_DM646X_MCASP1_REG_BASE + (SZ_1K << 1) - 1,
.flags = IORESOURCE_MEM,
@@ -769,7 +769,7 @@ static struct davinci_gpio_platform_data dm646x_gpio_platform_data = {
int __init dm646x_gpio_register(void)
{
return davinci_gpio_register(dm646x_gpio_resources,
- sizeof(dm646x_gpio_resources),
+ ARRAY_SIZE(dm646x_gpio_resources),
&dm646x_gpio_platform_data);
}
/*----------------------------------------------------------------------*/
diff --git a/arch/arm/mach-footbridge/common.c b/arch/arm/mach-footbridge/common.c
index 2739ca2c133..e0091685fd4 100644
--- a/arch/arm/mach-footbridge/common.c
+++ b/arch/arm/mach-footbridge/common.c
@@ -15,6 +15,7 @@
#include <linux/init.h>
#include <linux/io.h>
#include <linux/spinlock.h>
+#include <video/vga.h>
#include <asm/pgtable.h>
#include <asm/page.h>
@@ -196,6 +197,8 @@ void __init footbridge_map_io(void)
iotable_init(ebsa285_host_io_desc, ARRAY_SIZE(ebsa285_host_io_desc));
pci_map_io_early(__phys_to_pfn(DC21285_PCI_IO));
}
+
+ vga_base = PCIMEM_BASE;
}
void footbridge_restart(enum reboot_mode mode, const char *cmd)
diff --git a/arch/arm/mach-footbridge/dc21285-timer.c b/arch/arm/mach-footbridge/dc21285-timer.c
index 9ee78f7b499..782f6c71fa0 100644
--- a/arch/arm/mach-footbridge/dc21285-timer.c
+++ b/arch/arm/mach-footbridge/dc21285-timer.c
@@ -96,11 +96,12 @@ static struct irqaction footbridge_timer_irq = {
void __init footbridge_timer_init(void)
{
struct clock_event_device *ce = &ckevt_dc21285;
+ unsigned rate = DIV_ROUND_CLOSEST(mem_fclk_21285, 16);
- clocksource_register_hz(&cksrc_dc21285, (mem_fclk_21285 + 8) / 16);
+ clocksource_register_hz(&cksrc_dc21285, rate);
setup_irq(ce->irq, &footbridge_timer_irq);
ce->cpumask = cpumask_of(smp_processor_id());
- clockevents_config_and_register(ce, mem_fclk_21285, 0x4, 0xffffff);
+ clockevents_config_and_register(ce, rate, 0x4, 0xffffff);
}
diff --git a/arch/arm/mach-footbridge/dc21285.c b/arch/arm/mach-footbridge/dc21285.c
index 3490a24f969..7c2fdae9a38 100644
--- a/arch/arm/mach-footbridge/dc21285.c
+++ b/arch/arm/mach-footbridge/dc21285.c
@@ -18,7 +18,6 @@
#include <linux/irq.h>
#include <linux/io.h>
#include <linux/spinlock.h>
-#include <video/vga.h>
#include <asm/irq.h>
#include <asm/mach/pci.h>
@@ -291,7 +290,6 @@ void __init dc21285_preinit(void)
int cfn_mode;
pcibios_min_mem = 0x81000000;
- vga_base = PCIMEM_BASE;
mem_size = (unsigned int)high_memory - PAGE_OFFSET;
for (mem_mask = 0x00100000; mem_mask < 0x10000000; mem_mask <<= 1)
diff --git a/arch/arm/mach-footbridge/ebsa285.c b/arch/arm/mach-footbridge/ebsa285.c
index b08243500e2..1a7235fb52a 100644
--- a/arch/arm/mach-footbridge/ebsa285.c
+++ b/arch/arm/mach-footbridge/ebsa285.c
@@ -30,21 +30,24 @@ static const struct {
const char *name;
const char *trigger;
} ebsa285_leds[] = {
- { "ebsa285:amber", "heartbeat", },
- { "ebsa285:green", "cpu0", },
+ { "ebsa285:amber", "cpu0", },
+ { "ebsa285:green", "heartbeat", },
{ "ebsa285:red",},
};
+static unsigned char hw_led_state;
+
static void ebsa285_led_set(struct led_classdev *cdev,
enum led_brightness b)
{
struct ebsa285_led *led = container_of(cdev,
struct ebsa285_led, cdev);
- if (b != LED_OFF)
- *XBUS_LEDS |= led->mask;
+ if (b == LED_OFF)
+ hw_led_state |= led->mask;
else
- *XBUS_LEDS &= ~led->mask;
+ hw_led_state &= ~led->mask;
+ *XBUS_LEDS = hw_led_state;
}
static enum led_brightness ebsa285_led_get(struct led_classdev *cdev)
@@ -52,18 +55,19 @@ static enum led_brightness ebsa285_led_get(struct led_classdev *cdev)
struct ebsa285_led *led = container_of(cdev,
struct ebsa285_led, cdev);
- return (*XBUS_LEDS & led->mask) ? LED_FULL : LED_OFF;
+ return hw_led_state & led->mask ? LED_OFF : LED_FULL;
}
static int __init ebsa285_leds_init(void)
{
int i;
- if (machine_is_ebsa285())
+ if (!machine_is_ebsa285())
return -ENODEV;
- /* 3 LEDS All ON */
- *XBUS_LEDS |= XBUS_LED_AMBER | XBUS_LED_GREEN | XBUS_LED_RED;
+ /* 3 LEDS all off */
+ hw_led_state = XBUS_LED_AMBER | XBUS_LED_GREEN | XBUS_LED_RED;
+ *XBUS_LEDS = hw_led_state;
for (i = 0; i < ARRAY_SIZE(ebsa285_leds); i++) {
struct ebsa285_led *led;
diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c
index b3d7e5634b8..c7de89b263d 100644
--- a/arch/arm/mach-highbank/highbank.c
+++ b/arch/arm/mach-highbank/highbank.c
@@ -17,12 +17,15 @@
#include <linux/clkdev.h>
#include <linux/clocksource.h>
#include <linux/dma-mapping.h>
+#include <linux/input.h>
#include <linux/io.h>
#include <linux/irqchip.h>
+#include <linux/mailbox.h>
#include <linux/of.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <linux/of_address.h>
+#include <linux/reboot.h>
#include <linux/amba/bus.h>
#include <linux/platform_device.h>
@@ -50,6 +53,7 @@ static void __init highbank_scu_map_io(void)
static void highbank_l2x0_disable(void)
{
+ outer_flush_all();
/* Disable PL310 L2 Cache controller */
highbank_smc1(0x102, 0x0);
}
@@ -130,6 +134,24 @@ static struct platform_device highbank_cpuidle_device = {
.name = "cpuidle-calxeda",
};
+static int hb_keys_notifier(struct notifier_block *nb, unsigned long event, void *data)
+{
+ u32 key = *(u32 *)data;
+
+ if (event != 0x1000)
+ return 0;
+
+ if (key == KEY_POWER)
+ orderly_poweroff(false);
+ else if (key == 0xffff)
+ ctrl_alt_del();
+
+ return 0;
+}
+static struct notifier_block hb_keys_nb = {
+ .notifier_call = hb_keys_notifier,
+};
+
static void __init highbank_init(void)
{
struct device_node *np;
@@ -145,6 +167,8 @@ static void __init highbank_init(void)
bus_register_notifier(&platform_bus_type, &highbank_platform_nb);
bus_register_notifier(&amba_bustype, &highbank_amba_nb);
+ pl320_ipc_register_notifier(&hb_keys_nb);
+
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
if (psci_ops.cpu_suspend)
diff --git a/arch/arm/mach-imx/mach-pca100.c b/arch/arm/mach-imx/mach-pca100.c
index c5f95674e9b..bf3ac51d5ac 100644
--- a/arch/arm/mach-imx/mach-pca100.c
+++ b/arch/arm/mach-imx/mach-pca100.c
@@ -249,7 +249,7 @@ static int pca100_sdhc2_init(struct device *dev, irq_handler_t detect_irq,
"imx-mmc-detect", data);
if (ret)
printk(KERN_ERR
- "pca100: Failed to reuest irq for sd/mmc detection\n");
+ "pca100: Failed to request irq for sd/mmc detection\n");
return ret;
}
diff --git a/arch/arm/mach-ixp4xx/common-pci.c b/arch/arm/mach-ixp4xx/common-pci.c
index 6d6bde3e15f..200970d56f6 100644
--- a/arch/arm/mach-ixp4xx/common-pci.c
+++ b/arch/arm/mach-ixp4xx/common-pci.c
@@ -326,7 +326,7 @@ static int ixp4xx_needs_bounce(struct device *dev, dma_addr_t dma_addr, size_t s
*/
static int ixp4xx_pci_platform_notify(struct device *dev)
{
- if(dev->bus == &pci_bus_type) {
+ if (dev_is_pci(dev)) {
*dev->dma_mask = SZ_64M - 1;
dev->coherent_dma_mask = SZ_64M - 1;
dmabounce_register_dev(dev, 2048, 4096, ixp4xx_needs_bounce);
@@ -336,9 +336,9 @@ static int ixp4xx_pci_platform_notify(struct device *dev)
static int ixp4xx_pci_platform_notify_remove(struct device *dev)
{
- if(dev->bus == &pci_bus_type) {
+ if (dev_is_pci(dev))
dmabounce_unregister_dev(dev);
- }
+
return 0;
}
diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c
index 9edaf4734fa..a7906ebedb1 100644
--- a/arch/arm/mach-ixp4xx/common.c
+++ b/arch/arm/mach-ixp4xx/common.c
@@ -560,7 +560,7 @@ static void __init ixp4xx_clockevent_init(void)
void ixp4xx_restart(enum reboot_mode mode, const char *cmd)
{
- if ( 1 && mode == REBOOT_SOFT) {
+ if (mode == REBOOT_SOFT) {
/* Jump into ROM at address 0 */
soft_restart(0);
} else {
diff --git a/arch/arm/mach-ks8695/include/mach/gpio.h b/arch/arm/mach-ks8695/include/mach/gpio.h
deleted file mode 100644
index f5fda36e451..00000000000
--- a/arch/arm/mach-ks8695/include/mach/gpio.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * arch/arm/mach-ks8695/include/mach/gpio.h
- *
- * Copyright (C) 2006 Andrew Victor
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef __ASM_ARCH_GPIO_H_
-#define __ASM_ARCH_GPIO_H_
-
-/*
- * Map IRQ number to GPIO line.
- */
-extern int irq_to_gpio(unsigned int irq);
-
-#endif
diff --git a/arch/arm/mach-lpc32xx/include/mach/gpio-lpc32xx.h b/arch/arm/mach-lpc32xx/include/mach/gpio-lpc32xx.h
deleted file mode 100644
index a544e962a81..00000000000
--- a/arch/arm/mach-lpc32xx/include/mach/gpio-lpc32xx.h
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * Author: Kevin Wells <kevin.wells@nxp.com>
- *
- * Copyright (C) 2010 NXP Semiconductors
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#ifndef __MACH_GPIO_LPC32XX_H
-#define __MACH_GPIO_LPC32XX_H
-
-/*
- * Note!
- * Muxed GP pins need to be setup to the GP state in the board level
- * code prior to using this driver.
- * GPI pins : 28xP3 group
- * GPO pins : 24xP3 group
- * GPIO pins: 8xP0 group, 24xP1 group, 13xP2 group, 6xP3 group
- */
-
-#define LPC32XX_GPIO_P0_MAX 8
-#define LPC32XX_GPIO_P1_MAX 24
-#define LPC32XX_GPIO_P2_MAX 13
-#define LPC32XX_GPIO_P3_MAX 6
-#define LPC32XX_GPI_P3_MAX 29
-#define LPC32XX_GPO_P3_MAX 24
-
-#define LPC32XX_GPIO_P0_GRP 0
-#define LPC32XX_GPIO_P1_GRP (LPC32XX_GPIO_P0_GRP + LPC32XX_GPIO_P0_MAX)
-#define LPC32XX_GPIO_P2_GRP (LPC32XX_GPIO_P1_GRP + LPC32XX_GPIO_P1_MAX)
-#define LPC32XX_GPIO_P3_GRP (LPC32XX_GPIO_P2_GRP + LPC32XX_GPIO_P2_MAX)
-#define LPC32XX_GPI_P3_GRP (LPC32XX_GPIO_P3_GRP + LPC32XX_GPIO_P3_MAX)
-#define LPC32XX_GPO_P3_GRP (LPC32XX_GPI_P3_GRP + LPC32XX_GPI_P3_MAX)
-
-/*
- * A specific GPIO can be selected with this macro
- * ie, GPIO_05 can be selected with LPC32XX_GPIO(LPC32XX_GPIO_P3_GRP, 5)
- * See the LPC32x0 User's guide for GPIO group numbers
- */
-#define LPC32XX_GPIO(x, y) ((x) + (y))
-
-#endif /* __MACH_GPIO_LPC32XX_H */
diff --git a/arch/arm/mach-lpc32xx/include/mach/gpio.h b/arch/arm/mach-lpc32xx/include/mach/gpio.h
deleted file mode 100644
index 0052e7a7617..00000000000
--- a/arch/arm/mach-lpc32xx/include/mach/gpio.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __MACH_GPIO_H
-#define __MACH_GPIO_H
-
-#include "gpio-lpc32xx.h"
-
-#endif /* __MACH_GPIO_H */
diff --git a/arch/arm/mach-lpc32xx/phy3250.c b/arch/arm/mach-lpc32xx/phy3250.c
index e54f87ec2e4..34932e0e31f 100644
--- a/arch/arm/mach-lpc32xx/phy3250.c
+++ b/arch/arm/mach-lpc32xx/phy3250.c
@@ -36,6 +36,7 @@
#include <linux/clk.h>
#include <linux/mtd/lpc32xx_slc.h>
#include <linux/mtd/lpc32xx_mlc.h>
+#include <linux/platform_data/gpio-lpc32xx.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
@@ -44,7 +45,6 @@
#include <mach/hardware.h>
#include <mach/platform.h>
#include <mach/board.h>
-#include <mach/gpio-lpc32xx.h>
#include "common.h"
/*
diff --git a/arch/arm/mach-mv78xx0/include/mach/gpio.h b/arch/arm/mach-mv78xx0/include/mach/gpio.h
deleted file mode 100644
index 77e1b843e76..00000000000
--- a/arch/arm/mach-mv78xx0/include/mach/gpio.h
+++ /dev/null
@@ -1,9 +0,0 @@
-/*
- * arch/asm-arm/mach-mv78xx0/include/mach/gpio.h
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#include <plat/gpio.h>
diff --git a/arch/arm/mach-omap1/include/mach/usb.h b/arch/arm/mach-omap1/include/mach/usb.h
index 45e5ac707cb..2c263051dc5 100644
--- a/arch/arm/mach-omap1/include/mach/usb.h
+++ b/arch/arm/mach-omap1/include/mach/usb.h
@@ -8,43 +8,7 @@
#define is_usb0_device(config) 0
#endif
-struct omap_usb_config {
- /* Configure drivers according to the connectors on your board:
- * - "A" connector (rectagular)
- * ... for host/OHCI use, set "register_host".
- * - "B" connector (squarish) or "Mini-B"
- * ... for device/gadget use, set "register_dev".
- * - "Mini-AB" connector (very similar to Mini-B)
- * ... for OTG use as device OR host, initialize "otg"
- */
- unsigned register_host:1;
- unsigned register_dev:1;
- u8 otg; /* port number, 1-based: usb1 == 2 */
-
- u8 hmc_mode;
-
- /* implicitly true if otg: host supports remote wakeup? */
- u8 rwc;
-
- /* signaling pins used to talk to transceiver on usbN:
- * 0 == usbN unused
- * 2 == usb0-only, using internal transceiver
- * 3 == 3 wire bidirectional
- * 4 == 4 wire bidirectional
- * 6 == 6 wire unidirectional (or TLL)
- */
- u8 pins[3];
-
- struct platform_device *udc_device;
- struct platform_device *ohci_device;
- struct platform_device *otg_device;
-
- u32 (*usb0_init)(unsigned nwires, unsigned is_device);
- u32 (*usb1_init)(unsigned nwires);
- u32 (*usb2_init)(unsigned nwires, unsigned alt_pingroup);
-
- int (*ocpi_enable)(void);
-};
+#include <linux/platform_data/usb-omap1.h>
void omap_otg_init(struct omap_usb_config *config);
diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c
index 19f1652e94c..8d972ff18c5 100644
--- a/arch/arm/mach-omap2/board-generic.c
+++ b/arch/arm/mach-omap2/board-generic.c
@@ -131,6 +131,24 @@ DT_MACHINE_START(OMAP3_GP_DT, "Generic OMAP3-GP (Flattened Device Tree)")
.dt_compat = omap3_gp_boards_compat,
.restart = omap3xxx_restart,
MACHINE_END
+
+static const char *am3517_boards_compat[] __initdata = {
+ "ti,am3517",
+ NULL,
+};
+
+DT_MACHINE_START(AM3517_DT, "Generic AM3517 (Flattened Device Tree)")
+ .reserve = omap_reserve,
+ .map_io = omap3_map_io,
+ .init_early = am35xx_init_early,
+ .init_irq = omap_intc_of_init,
+ .handle_irq = omap3_intc_handle_irq,
+ .init_machine = omap_generic_init,
+ .init_late = omap3_init_late,
+ .init_time = omap3_gptimer_timer_init,
+ .dt_compat = am3517_boards_compat,
+ .restart = omap3xxx_restart,
+MACHINE_END
#endif
#ifdef CONFIG_SOC_AM33XX
diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c
index 4ec8d82b049..44a59c3abfb 100644
--- a/arch/arm/mach-omap2/board-ldp.c
+++ b/arch/arm/mach-omap2/board-ldp.c
@@ -242,12 +242,18 @@ static void __init ldp_display_init(void)
static int ldp_twl_gpio_setup(struct device *dev, unsigned gpio, unsigned ngpio)
{
+ int res;
+
/* LCD enable GPIO */
ldp_lcd_pdata.enable_gpio = gpio + 7;
/* Backlight enable GPIO */
ldp_lcd_pdata.backlight_gpio = gpio + 15;
+ res = platform_device_register(&ldp_lcd_device);
+ if (res)
+ pr_err("Unable to register LCD: %d\n", res);
+
return 0;
}
@@ -346,7 +352,6 @@ static struct omap2_hsmmc_info mmc[] __initdata = {
static struct platform_device *ldp_devices[] __initdata = {
&ldp_gpio_keys_device,
- &ldp_lcd_device,
};
#ifdef CONFIG_OMAP_MUX
diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c
index 58347bb874a..4cf165502b3 100644
--- a/arch/arm/mach-omap2/display.c
+++ b/arch/arm/mach-omap2/display.c
@@ -101,13 +101,51 @@ static const struct omap_dss_hwmod_data omap4_dss_hwmod_data[] __initconst = {
{ "dss_hdmi", "omapdss_hdmi", -1 },
};
+static int omap4_dsi_mux_pads(int dsi_id, unsigned lanes)
+{
+ u32 enable_mask, enable_shift;
+ u32 pipd_mask, pipd_shift;
+ u32 reg;
+
+ if (dsi_id == 0) {
+ enable_mask = OMAP4_DSI1_LANEENABLE_MASK;
+ enable_shift = OMAP4_DSI1_LANEENABLE_SHIFT;
+ pipd_mask = OMAP4_DSI1_PIPD_MASK;
+ pipd_shift = OMAP4_DSI1_PIPD_SHIFT;
+ } else if (dsi_id == 1) {
+ enable_mask = OMAP4_DSI2_LANEENABLE_MASK;
+ enable_shift = OMAP4_DSI2_LANEENABLE_SHIFT;
+ pipd_mask = OMAP4_DSI2_PIPD_MASK;
+ pipd_shift = OMAP4_DSI2_PIPD_SHIFT;
+ } else {
+ return -ENODEV;
+ }
+
+ reg = omap4_ctrl_pad_readl(OMAP4_CTRL_MODULE_PAD_CORE_CONTROL_DSIPHY);
+
+ reg &= ~enable_mask;
+ reg &= ~pipd_mask;
+
+ reg |= (lanes << enable_shift) & enable_mask;
+ reg |= (lanes << pipd_shift) & pipd_mask;
+
+ omap4_ctrl_pad_writel(reg, OMAP4_CTRL_MODULE_PAD_CORE_CONTROL_DSIPHY);
+
+ return 0;
+}
+
static int omap_dsi_enable_pads(int dsi_id, unsigned lane_mask)
{
+ if (cpu_is_omap44xx())
+ return omap4_dsi_mux_pads(dsi_id, lane_mask);
+
return 0;
}
static void omap_dsi_disable_pads(int dsi_id, unsigned lane_mask)
{
+ if (cpu_is_omap44xx())
+ omap4_dsi_mux_pads(dsi_id, 0);
}
static int omap_dss_set_min_bus_tput(struct device *dev, unsigned long tput)
diff --git a/arch/arm/mach-omap2/dss-common.c b/arch/arm/mach-omap2/dss-common.c
index 365bfd3d9c6..dadccc91488 100644
--- a/arch/arm/mach-omap2/dss-common.c
+++ b/arch/arm/mach-omap2/dss-common.c
@@ -223,7 +223,7 @@ void __init omap_4430sdp_display_init_of(void)
static struct connector_dvi_platform_data omap3_igep2_dvi_connector_pdata = {
.name = "dvi",
.source = "tfp410.0",
- .i2c_bus_num = 3,
+ .i2c_bus_num = 2,
};
static struct platform_device omap3_igep2_dvi_connector_device = {
diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c
index b39efd46abf..c0ab9b26be3 100644
--- a/arch/arm/mach-omap2/omap4-common.c
+++ b/arch/arm/mach-omap2/omap4-common.c
@@ -162,6 +162,7 @@ void __iomem *omap4_get_l2cache_base(void)
static void omap4_l2x0_disable(void)
{
+ outer_flush_all();
/* Disable PL310 L2 Cache controller */
omap_smc1(0x102, 0x0);
}
diff --git a/arch/arm/mach-omap2/omap_device.c b/arch/arm/mach-omap2/omap_device.c
index 53f0735817b..e0a398cf28d 100644
--- a/arch/arm/mach-omap2/omap_device.c
+++ b/arch/arm/mach-omap2/omap_device.c
@@ -183,6 +183,10 @@ static int omap_device_build_from_dt(struct platform_device *pdev)
odbfd_exit1:
kfree(hwmods);
odbfd_exit:
+ /* if data/we are at fault.. load up a fail handler */
+ if (ret)
+ pdev->dev.pm_domain = &omap_device_fail_pm_domain;
+
return ret;
}
@@ -604,6 +608,19 @@ static int _od_runtime_resume(struct device *dev)
return pm_generic_runtime_resume(dev);
}
+
+static int _od_fail_runtime_suspend(struct device *dev)
+{
+ dev_warn(dev, "%s: FIXME: missing hwmod/omap_dev info\n", __func__);
+ return -ENODEV;
+}
+
+static int _od_fail_runtime_resume(struct device *dev)
+{
+ dev_warn(dev, "%s: FIXME: missing hwmod/omap_dev info\n", __func__);
+ return -ENODEV;
+}
+
#endif
#ifdef CONFIG_SUSPEND
@@ -657,6 +674,13 @@ static int _od_resume_noirq(struct device *dev)
#define _od_resume_noirq NULL
#endif
+struct dev_pm_domain omap_device_fail_pm_domain = {
+ .ops = {
+ SET_RUNTIME_PM_OPS(_od_fail_runtime_suspend,
+ _od_fail_runtime_resume, NULL)
+ }
+};
+
struct dev_pm_domain omap_device_pm_domain = {
.ops = {
SET_RUNTIME_PM_OPS(_od_runtime_suspend, _od_runtime_resume,
diff --git a/arch/arm/mach-omap2/omap_device.h b/arch/arm/mach-omap2/omap_device.h
index 17ca1aec271..78c02b35517 100644
--- a/arch/arm/mach-omap2/omap_device.h
+++ b/arch/arm/mach-omap2/omap_device.h
@@ -29,6 +29,7 @@
#include "omap_hwmod.h"
extern struct dev_pm_domain omap_device_pm_domain;
+extern struct dev_pm_domain omap_device_fail_pm_domain;
/* omap_device._state values */
#define OMAP_DEVICE_STATE_UNKNOWN 0
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index e3f0ecaf87d..f7a6fd35b1e 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -399,7 +399,7 @@ static int _set_clockactivity(struct omap_hwmod *oh, u8 clockact, u32 *v)
}
/**
- * _set_softreset: set OCP_SYSCONFIG.CLOCKACTIVITY bits in @v
+ * _set_softreset: set OCP_SYSCONFIG.SOFTRESET bit in @v
* @oh: struct omap_hwmod *
* @v: pointer to register contents to modify
*
@@ -427,6 +427,36 @@ static int _set_softreset(struct omap_hwmod *oh, u32 *v)
}
/**
+ * _clear_softreset: clear OCP_SYSCONFIG.SOFTRESET bit in @v
+ * @oh: struct omap_hwmod *
+ * @v: pointer to register contents to modify
+ *
+ * Clear the SOFTRESET bit in @v for hwmod @oh. Returns -EINVAL upon
+ * error or 0 upon success.
+ */
+static int _clear_softreset(struct omap_hwmod *oh, u32 *v)
+{
+ u32 softrst_mask;
+
+ if (!oh->class->sysc ||
+ !(oh->class->sysc->sysc_flags & SYSC_HAS_SOFTRESET))
+ return -EINVAL;
+
+ if (!oh->class->sysc->sysc_fields) {
+ WARN(1,
+ "omap_hwmod: %s: sysc_fields absent for sysconfig class\n",
+ oh->name);
+ return -EINVAL;
+ }
+
+ softrst_mask = (0x1 << oh->class->sysc->sysc_fields->srst_shift);
+
+ *v &= ~softrst_mask;
+
+ return 0;
+}
+
+/**
* _wait_softreset_complete - wait for an OCP softreset to complete
* @oh: struct omap_hwmod * to wait on
*
@@ -785,6 +815,7 @@ static int _init_interface_clks(struct omap_hwmod *oh)
pr_warning("omap_hwmod: %s: cannot clk_get interface_clk %s\n",
oh->name, os->clk);
ret = -EINVAL;
+ continue;
}
os->_clk = c;
/*
@@ -821,6 +852,7 @@ static int _init_opt_clks(struct omap_hwmod *oh)
pr_warning("omap_hwmod: %s: cannot clk_get opt_clk %s\n",
oh->name, oc->clk);
ret = -EINVAL;
+ continue;
}
oc->_clk = c;
/*
@@ -1911,6 +1943,12 @@ static int _ocp_softreset(struct omap_hwmod *oh)
ret = _set_softreset(oh, &v);
if (ret)
goto dis_opt_clks;
+
+ _write_sysconfig(v, oh);
+ ret = _clear_softreset(oh, &v);
+ if (ret)
+ goto dis_opt_clks;
+
_write_sysconfig(v, oh);
if (oh->class->sysc->srst_udelay)
@@ -2326,38 +2364,80 @@ static int _shutdown(struct omap_hwmod *oh)
return 0;
}
+static int of_dev_find_hwmod(struct device_node *np,
+ struct omap_hwmod *oh)
+{
+ int count, i, res;
+ const char *p;
+
+ count = of_property_count_strings(np, "ti,hwmods");
+ if (count < 1)
+ return -ENODEV;
+
+ for (i = 0; i < count; i++) {
+ res = of_property_read_string_index(np, "ti,hwmods",
+ i, &p);
+ if (res)
+ continue;
+ if (!strcmp(p, oh->name)) {
+ pr_debug("omap_hwmod: dt %s[%i] uses hwmod %s\n",
+ np->name, i, oh->name);
+ return i;
+ }
+ }
+
+ return -ENODEV;
+}
+
/**
* of_dev_hwmod_lookup - look up needed hwmod from dt blob
* @np: struct device_node *
* @oh: struct omap_hwmod *
+ * @index: index of the entry found
+ * @found: struct device_node * found or NULL
*
* Parse the dt blob and find out needed hwmod. Recursive function is
* implemented to take care hierarchical dt blob parsing.
- * Return: The device node on success or NULL on failure.
+ * Return: Returns 0 on success, -ENODEV when not found.
*/
-static struct device_node *of_dev_hwmod_lookup(struct device_node *np,
- struct omap_hwmod *oh)
+static int of_dev_hwmod_lookup(struct device_node *np,
+ struct omap_hwmod *oh,
+ int *index,
+ struct device_node **found)
{
- struct device_node *np0 = NULL, *np1 = NULL;
- const char *p;
+ struct device_node *np0 = NULL;
+ int res;
+
+ res = of_dev_find_hwmod(np, oh);
+ if (res >= 0) {
+ *found = np;
+ *index = res;
+ return 0;
+ }
for_each_child_of_node(np, np0) {
- if (of_find_property(np0, "ti,hwmods", NULL)) {
- p = of_get_property(np0, "ti,hwmods", NULL);
- if (!strcmp(p, oh->name))
- return np0;
- np1 = of_dev_hwmod_lookup(np0, oh);
- if (np1)
- return np1;
+ struct device_node *fc;
+ int i;
+
+ res = of_dev_hwmod_lookup(np0, oh, &i, &fc);
+ if (res == 0) {
+ *found = fc;
+ *index = i;
+ return 0;
}
}
- return NULL;
+
+ *found = NULL;
+ *index = 0;
+
+ return -ENODEV;
}
/**
* _init_mpu_rt_base - populate the virtual address for a hwmod
* @oh: struct omap_hwmod * to locate the virtual address
* @data: (unused, caller should pass NULL)
+ * @index: index of the reg entry iospace in device tree
* @np: struct device_node * of the IP block's device node in the DT data
*
* Cache the virtual address used by the MPU to access this IP block's
@@ -2368,7 +2448,7 @@ static struct device_node *of_dev_hwmod_lookup(struct device_node *np,
* -ENXIO on absent or invalid register target address space.
*/
static int __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data,
- struct device_node *np)
+ int index, struct device_node *np)
{
struct omap_hwmod_addr_space *mem;
void __iomem *va_start = NULL;
@@ -2390,13 +2470,17 @@ static int __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data,
if (!np)
return -ENXIO;
- va_start = of_iomap(np, oh->mpu_rt_idx);
+ va_start = of_iomap(np, index + oh->mpu_rt_idx);
} else {
va_start = ioremap(mem->pa_start, mem->pa_end - mem->pa_start);
}
if (!va_start) {
- pr_err("omap_hwmod: %s: Could not ioremap\n", oh->name);
+ if (mem)
+ pr_err("omap_hwmod: %s: Could not ioremap\n", oh->name);
+ else
+ pr_err("omap_hwmod: %s: Missing dt reg%i for %s\n",
+ oh->name, index, np->full_name);
return -ENXIO;
}
@@ -2422,17 +2506,29 @@ static int __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data,
*/
static int __init _init(struct omap_hwmod *oh, void *data)
{
- int r;
+ int r, index;
struct device_node *np = NULL;
if (oh->_state != _HWMOD_STATE_REGISTERED)
return 0;
- if (of_have_populated_dt())
- np = of_dev_hwmod_lookup(of_find_node_by_name(NULL, "ocp"), oh);
+ if (of_have_populated_dt()) {
+ struct device_node *bus;
+
+ bus = of_find_node_by_name(NULL, "ocp");
+ if (!bus)
+ return -ENODEV;
+
+ r = of_dev_hwmod_lookup(bus, oh, &index, &np);
+ if (r)
+ pr_debug("omap_hwmod: %s missing dt data\n", oh->name);
+ else if (np && index)
+ pr_warn("omap_hwmod: %s using broken dt data from %s\n",
+ oh->name, np->name);
+ }
if (oh->class->sysc) {
- r = _init_mpu_rt_base(oh, NULL, np);
+ r = _init_mpu_rt_base(oh, NULL, index, np);
if (r < 0) {
WARN(1, "omap_hwmod: %s: doesn't have mpu register target base\n",
oh->name);
@@ -2695,9 +2791,7 @@ static int __init _alloc_links(struct omap_hwmod_link **ml,
sz = sizeof(struct omap_hwmod_link) * LINKS_PER_OCP_IF;
*sl = NULL;
- *ml = alloc_bootmem(sz);
-
- memset(*ml, 0, sz);
+ *ml = memblock_virt_alloc(sz, 0);
*sl = (void *)(*ml) + sizeof(struct omap_hwmod_link);
@@ -2816,9 +2910,7 @@ static int __init _alloc_linkspace(struct omap_hwmod_ocp_if **ois)
pr_debug("omap_hwmod: %s: allocating %d byte linkspace (%d links)\n",
__func__, sz, max_ls);
- linkspace = alloc_bootmem(sz);
-
- memset(linkspace, 0, sz);
+ linkspace = memblock_virt_alloc(sz, 0);
return 0;
}
@@ -3169,6 +3261,11 @@ int omap_hwmod_softreset(struct omap_hwmod *oh)
goto error;
_write_sysconfig(v, oh);
+ ret = _clear_softreset(oh, &v);
+ if (ret)
+ goto error;
+ _write_sysconfig(v, oh);
+
error:
return ret;
}
diff --git a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
index 56cebb05509..d23c77fadb3 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
@@ -796,7 +796,7 @@ struct omap_hwmod omap2xxx_counter_32k_hwmod = {
/* gpmc */
static struct omap_hwmod_irq_info omap2xxx_gpmc_irqs[] = {
- { .irq = 20 },
+ { .irq = 20 + OMAP_INTC_START, },
{ .irq = -1 }
};
@@ -841,7 +841,7 @@ static struct omap_hwmod_class omap2_rng_hwmod_class = {
};
static struct omap_hwmod_irq_info omap2_rng_mpu_irqs[] = {
- { .irq = 52 },
+ { .irq = 52 + OMAP_INTC_START, },
{ .irq = -1 }
};
diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index 9e56fabd7fa..4c3b1e6df50 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -1943,7 +1943,8 @@ static struct omap_hwmod_class_sysconfig omap3xxx_usb_host_hs_sysc = {
.syss_offs = 0x0014,
.sysc_flags = (SYSC_HAS_MIDLEMODE | SYSC_HAS_CLOCKACTIVITY |
SYSC_HAS_SIDLEMODE | SYSC_HAS_ENAWAKEUP |
- SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE),
+ SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE |
+ SYSS_HAS_RESET_STATUS),
.idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART |
MSTANDBY_FORCE | MSTANDBY_NO | MSTANDBY_SMART),
.sysc_fields = &omap_hwmod_sysc_type1,
@@ -2021,15 +2022,7 @@ static struct omap_hwmod omap3xxx_usb_host_hs_hwmod = {
* hence HWMOD_SWSUP_MSTANDBY
*/
- /*
- * During system boot; If the hwmod framework resets the module
- * the module will have smart idle settings; which can lead to deadlock
- * (above Errata Id:i660); so, dont reset the module during boot;
- * Use HWMOD_INIT_NO_RESET.
- */
-
- .flags = HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY |
- HWMOD_INIT_NO_RESET,
+ .flags = HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY,
};
/*
@@ -2172,7 +2165,7 @@ static struct omap_hwmod_class omap3xxx_gpmc_hwmod_class = {
};
static struct omap_hwmod_irq_info omap3xxx_gpmc_irqs[] = {
- { .irq = 20 },
+ { .irq = 20 + OMAP_INTC_START, },
{ .irq = -1 }
};
@@ -3006,7 +2999,7 @@ static struct omap_mmu_dev_attr mmu_isp_dev_attr = {
static struct omap_hwmod omap3xxx_mmu_isp_hwmod;
static struct omap_hwmod_irq_info omap3xxx_mmu_isp_irqs[] = {
- { .irq = 24 },
+ { .irq = 24 + OMAP_INTC_START, },
{ .irq = -1 }
};
@@ -3048,7 +3041,7 @@ static struct omap_mmu_dev_attr mmu_iva_dev_attr = {
static struct omap_hwmod omap3xxx_mmu_iva_hwmod;
static struct omap_hwmod_irq_info omap3xxx_mmu_iva_irqs[] = {
- { .irq = 28 },
+ { .irq = 28 + OMAP_INTC_START, },
{ .irq = -1 }
};
diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
index 1e5b12cb824..3318cae96e7 100644
--- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
@@ -2937,7 +2937,7 @@ static struct omap_hwmod_class_sysconfig omap44xx_usb_host_hs_sysc = {
.sysc_offs = 0x0010,
.syss_offs = 0x0014,
.sysc_flags = (SYSC_HAS_MIDLEMODE | SYSC_HAS_SIDLEMODE |
- SYSC_HAS_SOFTRESET),
+ SYSC_HAS_SOFTRESET | SYSC_HAS_RESET_STATUS),
.idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART |
SIDLE_SMART_WKUP | MSTANDBY_FORCE | MSTANDBY_NO |
MSTANDBY_SMART | MSTANDBY_SMART_WKUP),
@@ -3001,15 +3001,7 @@ static struct omap_hwmod omap44xx_usb_host_hs_hwmod = {
* hence HWMOD_SWSUP_MSTANDBY
*/
- /*
- * During system boot; If the hwmod framework resets the module
- * the module will have smart idle settings; which can lead to deadlock
- * (above Errata Id:i660); so, dont reset the module during boot;
- * Use HWMOD_INIT_NO_RESET.
- */
-
- .flags = HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY |
- HWMOD_INIT_NO_RESET,
+ .flags = HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY,
};
/*
diff --git a/arch/arm/mach-omap2/omap_hwmod_54xx_data.c b/arch/arm/mach-omap2/omap_hwmod_54xx_data.c
index 9e08d6994a0..e297d6231c3 100644
--- a/arch/arm/mach-omap2/omap_hwmod_54xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_54xx_data.c
@@ -1544,7 +1544,8 @@ static struct omap_hwmod_class_sysconfig omap54xx_usb_host_hs_sysc = {
.rev_offs = 0x0000,
.sysc_offs = 0x0010,
.sysc_flags = (SYSC_HAS_MIDLEMODE | SYSC_HAS_RESET_STATUS |
- SYSC_HAS_SIDLEMODE | SYSC_HAS_SOFTRESET),
+ SYSC_HAS_SIDLEMODE | SYSC_HAS_SOFTRESET |
+ SYSC_HAS_RESET_STATUS),
.idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART |
SIDLE_SMART_WKUP | MSTANDBY_FORCE | MSTANDBY_NO |
MSTANDBY_SMART | MSTANDBY_SMART_WKUP),
@@ -1598,15 +1599,7 @@ static struct omap_hwmod omap54xx_usb_host_hs_hwmod = {
* hence HWMOD_SWSUP_MSTANDBY
*/
- /*
- * During system boot; If the hwmod framework resets the module
- * the module will have smart idle settings; which can lead to deadlock
- * (above Errata Id:i660); so, dont reset the module during boot;
- * Use HWMOD_INIT_NO_RESET.
- */
-
- .flags = HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY |
- HWMOD_INIT_NO_RESET,
+ .flags = HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY,
.main_clk = "l3init_60m_fclk",
.prcm = {
.omap4 = {
diff --git a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
index db32d5380b1..18f333c440d 100644
--- a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
@@ -1637,7 +1637,7 @@ static struct omap_hwmod dra7xx_uart1_hwmod = {
.class = &dra7xx_uart_hwmod_class,
.clkdm_name = "l4per_clkdm",
.main_clk = "uart1_gfclk_mux",
- .flags = HWMOD_SWSUP_SIDLE_ACT,
+ .flags = HWMOD_SWSUP_SIDLE_ACT | DEBUG_OMAP2UART1_FLAGS,
.prcm = {
.omap4 = {
.clkctrl_offs = DRA7XX_CM_L4PER_UART1_CLKCTRL_OFFSET,
diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c
index 10c71450cf6..39f020c982e 100644
--- a/arch/arm/mach-omap2/pdata-quirks.c
+++ b/arch/arm/mach-omap2/pdata-quirks.c
@@ -139,6 +139,7 @@ struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
static struct pdata_init pdata_quirks[] __initdata = {
#ifdef CONFIG_ARCH_OMAP3
+ { "nokia,omap3-n900", hsmmc2_internal_input_clk, },
{ "nokia,omap3-n9", hsmmc2_internal_input_clk, },
{ "nokia,omap3-n950", hsmmc2_internal_input_clk, },
{ "isee,omap3-igep0020", omap3_igep0020_legacy_init, },
diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c
index e233dfcbc18..93a2a6e4260 100644
--- a/arch/arm/mach-omap2/powerdomain.c
+++ b/arch/arm/mach-omap2/powerdomain.c
@@ -128,7 +128,8 @@ skip_voltdm:
for (i = 0; i < pwrdm->banks; i++)
pwrdm->ret_mem_off_counter[i] = 0;
- arch_pwrdm->pwrdm_wait_transition(pwrdm);
+ if (arch_pwrdm && arch_pwrdm->pwrdm_wait_transition)
+ arch_pwrdm->pwrdm_wait_transition(pwrdm);
pwrdm->state = pwrdm_read_pwrst(pwrdm);
pwrdm->state_counter[pwrdm->state] = 1;
diff --git a/arch/arm/mach-pxa/include/mach/lubbock.h b/arch/arm/mach-pxa/include/mach/lubbock.h
index 2a086e8373e..958cd6af938 100644
--- a/arch/arm/mach-pxa/include/mach/lubbock.h
+++ b/arch/arm/mach-pxa/include/mach/lubbock.h
@@ -10,6 +10,8 @@
* published by the Free Software Foundation.
*/
+#include <mach/irqs.h>
+
#define LUBBOCK_ETH_PHYS PXA_CS3_PHYS
#define LUBBOCK_FPGA_PHYS PXA_CS2_PHYS
diff --git a/arch/arm/mach-pxa/reset.c b/arch/arm/mach-pxa/reset.c
index 0d5dd646f61..263b15249b5 100644
--- a/arch/arm/mach-pxa/reset.c
+++ b/arch/arm/mach-pxa/reset.c
@@ -13,6 +13,7 @@
#include <mach/regs-ost.h>
#include <mach/reset.h>
+#include <mach/smemc.h>
unsigned int reset_status;
EXPORT_SYMBOL(reset_status);
@@ -81,6 +82,12 @@ static void do_hw_reset(void)
writel_relaxed(OSSR_M3, OSSR);
/* ... in 100 ms */
writel_relaxed(readl_relaxed(OSCR) + 368640, OSMR3);
+ /*
+ * SDRAM hangs on watchdog reset on Marvell PXA270 (erratum 71)
+ * we put SDRAM into self-refresh to prevent that
+ */
+ while (1)
+ writel_relaxed(MDREFR_SLFRSH, MDREFR);
}
void pxa_restart(enum reboot_mode mode, const char *cmd)
@@ -104,4 +111,3 @@ void pxa_restart(enum reboot_mode mode, const char *cmd)
break;
}
}
-
diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c
index 0206b915a6f..ef5557b807e 100644
--- a/arch/arm/mach-pxa/tosa.c
+++ b/arch/arm/mach-pxa/tosa.c
@@ -425,57 +425,57 @@ static struct platform_device tosa_power_device = {
* Tosa Keyboard
*/
static const uint32_t tosakbd_keymap[] = {
- KEY(0, 2, KEY_W),
- KEY(0, 6, KEY_K),
- KEY(0, 7, KEY_BACKSPACE),
- KEY(0, 8, KEY_P),
- KEY(1, 1, KEY_Q),
- KEY(1, 2, KEY_E),
- KEY(1, 3, KEY_T),
- KEY(1, 4, KEY_Y),
- KEY(1, 6, KEY_O),
- KEY(1, 7, KEY_I),
- KEY(1, 8, KEY_COMMA),
- KEY(2, 1, KEY_A),
- KEY(2, 2, KEY_D),
- KEY(2, 3, KEY_G),
- KEY(2, 4, KEY_U),
- KEY(2, 6, KEY_L),
- KEY(2, 7, KEY_ENTER),
- KEY(2, 8, KEY_DOT),
- KEY(3, 1, KEY_Z),
- KEY(3, 2, KEY_C),
- KEY(3, 3, KEY_V),
- KEY(3, 4, KEY_J),
- KEY(3, 5, TOSA_KEY_ADDRESSBOOK),
- KEY(3, 6, TOSA_KEY_CANCEL),
- KEY(3, 7, TOSA_KEY_CENTER),
- KEY(3, 8, TOSA_KEY_OK),
- KEY(3, 9, KEY_LEFTSHIFT),
- KEY(4, 1, KEY_S),
- KEY(4, 2, KEY_R),
- KEY(4, 3, KEY_B),
- KEY(4, 4, KEY_N),
- KEY(4, 5, TOSA_KEY_CALENDAR),
- KEY(4, 6, TOSA_KEY_HOMEPAGE),
- KEY(4, 7, KEY_LEFTCTRL),
- KEY(4, 8, TOSA_KEY_LIGHT),
- KEY(4, 10, KEY_RIGHTSHIFT),
- KEY(5, 1, KEY_TAB),
- KEY(5, 2, KEY_SLASH),
- KEY(5, 3, KEY_H),
- KEY(5, 4, KEY_M),
- KEY(5, 5, TOSA_KEY_MENU),
- KEY(5, 7, KEY_UP),
- KEY(5, 11, TOSA_KEY_FN),
- KEY(6, 1, KEY_X),
- KEY(6, 2, KEY_F),
- KEY(6, 3, KEY_SPACE),
- KEY(6, 4, KEY_APOSTROPHE),
- KEY(6, 5, TOSA_KEY_MAIL),
- KEY(6, 6, KEY_LEFT),
- KEY(6, 7, KEY_DOWN),
- KEY(6, 8, KEY_RIGHT),
+ KEY(0, 1, KEY_W),
+ KEY(0, 5, KEY_K),
+ KEY(0, 6, KEY_BACKSPACE),
+ KEY(0, 7, KEY_P),
+ KEY(1, 0, KEY_Q),
+ KEY(1, 1, KEY_E),
+ KEY(1, 2, KEY_T),
+ KEY(1, 3, KEY_Y),
+ KEY(1, 5, KEY_O),
+ KEY(1, 6, KEY_I),
+ KEY(1, 7, KEY_COMMA),
+ KEY(2, 0, KEY_A),
+ KEY(2, 1, KEY_D),
+ KEY(2, 2, KEY_G),
+ KEY(2, 3, KEY_U),
+ KEY(2, 5, KEY_L),
+ KEY(2, 6, KEY_ENTER),
+ KEY(2, 7, KEY_DOT),
+ KEY(3, 0, KEY_Z),
+ KEY(3, 1, KEY_C),
+ KEY(3, 2, KEY_V),
+ KEY(3, 3, KEY_J),
+ KEY(3, 4, TOSA_KEY_ADDRESSBOOK),
+ KEY(3, 5, TOSA_KEY_CANCEL),
+ KEY(3, 6, TOSA_KEY_CENTER),
+ KEY(3, 7, TOSA_KEY_OK),
+ KEY(3, 8, KEY_LEFTSHIFT),
+ KEY(4, 0, KEY_S),
+ KEY(4, 1, KEY_R),
+ KEY(4, 2, KEY_B),
+ KEY(4, 3, KEY_N),
+ KEY(4, 4, TOSA_KEY_CALENDAR),
+ KEY(4, 5, TOSA_KEY_HOMEPAGE),
+ KEY(4, 6, KEY_LEFTCTRL),
+ KEY(4, 7, TOSA_KEY_LIGHT),
+ KEY(4, 9, KEY_RIGHTSHIFT),
+ KEY(5, 0, KEY_TAB),
+ KEY(5, 1, KEY_SLASH),
+ KEY(5, 2, KEY_H),
+ KEY(5, 3, KEY_M),
+ KEY(5, 4, TOSA_KEY_MENU),
+ KEY(5, 6, KEY_UP),
+ KEY(5, 10, TOSA_KEY_FN),
+ KEY(6, 0, KEY_X),
+ KEY(6, 1, KEY_F),
+ KEY(6, 2, KEY_SPACE),
+ KEY(6, 3, KEY_APOSTROPHE),
+ KEY(6, 4, TOSA_KEY_MAIL),
+ KEY(6, 5, KEY_LEFT),
+ KEY(6, 6, KEY_DOWN),
+ KEY(6, 7, KEY_RIGHT),
};
static struct matrix_keymap_data tosakbd_keymap_data = {
diff --git a/arch/arm/mach-s3c24xx/Kconfig b/arch/arm/mach-s3c24xx/Kconfig
index 8f1d327e0cd..d876431d64c 100644
--- a/arch/arm/mach-s3c24xx/Kconfig
+++ b/arch/arm/mach-s3c24xx/Kconfig
@@ -180,27 +180,6 @@ config CPU_LLSERIAL_S3C2440
Selected if there is an S3C2440 (or register compatible) serial
low-level implementation needed
-# gpio configurations
-
-config S3C24XX_GPIO_EXTRA
- int
- default 128 if S3C24XX_GPIO_EXTRA128
- default 64 if S3C24XX_GPIO_EXTRA64
- default 16 if ARCH_H1940
- default 0
-
-config S3C24XX_GPIO_EXTRA64
- bool
- help
- Add an extra 64 gpio numbers to the available GPIO pool. This is
- available for boards that need extra gpios for external devices.
-
-config S3C24XX_GPIO_EXTRA128
- bool
- help
- Add an extra 128 gpio numbers to the available GPIO pool. This is
- available for boards that need extra gpios for external devices.
-
config S3C24XX_PLL
bool "Support CPUfreq changing of PLL frequency (EXPERIMENTAL)"
depends on ARM_S3C24XX_CPUFREQ
diff --git a/arch/arm/mach-s3c24xx/common-smdk.c b/arch/arm/mach-s3c24xx/common-smdk.c
index 404444dd384..e9fbcc91c5c 100644
--- a/arch/arm/mach-s3c24xx/common-smdk.c
+++ b/arch/arm/mach-s3c24xx/common-smdk.c
@@ -37,8 +37,8 @@
#include <asm/irq.h>
#include <mach/regs-gpio.h>
+#include <mach/gpio-samsung.h>
#include <linux/platform_data/leds-s3c24xx.h>
-
#include <linux/platform_data/mtd-nand-s3c2410.h>
#include <plat/gpio-cfg.h>
diff --git a/arch/arm/mach-s3c24xx/h1940-bluetooth.c b/arch/arm/mach-s3c24xx/h1940-bluetooth.c
index 5b98bfd1df4..b4d14b86436 100644
--- a/arch/arm/mach-s3c24xx/h1940-bluetooth.c
+++ b/arch/arm/mach-s3c24xx/h1940-bluetooth.c
@@ -19,8 +19,10 @@
#include <linux/gpio.h>
#include <linux/rfkill.h>
+#include <plat/gpio-cfg.h>
#include <mach/hardware.h>
#include <mach/regs-gpio.h>
+#include <mach/gpio-samsung.h>
#include "h1940.h"
diff --git a/arch/arm/mach-s3c24xx/include/mach/gpio.h b/arch/arm/mach-s3c24xx/include/mach/gpio-samsung.h
index 14591563ca7..528fcdc4f63 100644
--- a/arch/arm/mach-s3c24xx/include/mach/gpio.h
+++ b/arch/arm/mach-s3c24xx/include/mach/gpio-samsung.h
@@ -14,16 +14,8 @@
* devices that need GPIO.
*/
-#ifndef __MACH_GPIO_H
-#define __MACH_GPIO_H __FILE__
-
-#ifdef CONFIG_CPU_S3C244X
-#define ARCH_NR_GPIOS (32 * 9 + CONFIG_S3C24XX_GPIO_EXTRA)
-#elif defined(CONFIG_CPU_S3C2443) || defined(CONFIG_CPU_S3C2416)
-#define ARCH_NR_GPIOS (32 * 12 + CONFIG_S3C24XX_GPIO_EXTRA)
-#else
-#define ARCH_NR_GPIOS (256 + CONFIG_S3C24XX_GPIO_EXTRA)
-#endif
+#ifndef GPIO_SAMSUNG_S3C24XX_H
+#define GPIO_SAMSUNG_S3C24XX_H
/*
* GPIO sizes for various SoCs:
@@ -31,17 +23,17 @@
* 2410 2412 2440 2443 2416
* 2442
* ---- ---- ---- ---- ----
- * A 23 22 25 16 25
- * B 11 11 11 11 9
- * C 16 15 16 16 16
+ * A 23 22 25 16 27
+ * B 11 11 11 11 11
+ * C 16 16 16 16 16
* D 16 16 16 16 16
* E 16 16 16 16 16
* F 8 8 8 8 8
* G 16 16 16 16 8
- * H 11 11 9 15 15
+ * H 11 11 11 15 15
* J -- -- 13 16 --
* K -- -- -- -- 16
- * L -- -- -- 15 7
+ * L -- -- -- 15 14
* M -- -- -- 2 2
*/
@@ -101,8 +93,6 @@ enum s3c_gpio_number {
#define S3C2410_GPL(_nr) (S3C2410_GPIO_L_START + (_nr))
#define S3C2410_GPM(_nr) (S3C2410_GPIO_M_START + (_nr))
-#include <plat/gpio-cfg.h>
-
#ifdef CONFIG_CPU_S3C244X
#define S3C_GPIO_END (S3C2410_GPJ(0) + 32)
#elif defined(CONFIG_CPU_S3C2443) || defined(CONFIG_CPU_S3C2416)
@@ -111,4 +101,4 @@ enum s3c_gpio_number {
#define S3C_GPIO_END (S3C2410_GPH(0) + 32)
#endif
-#endif /* __MACH_GPIO_H */
+#endif /* GPIO_SAMSUNG_S3C24XX_H */
diff --git a/arch/arm/mach-s3c24xx/mach-amlm5900.c b/arch/arm/mach-s3c24xx/mach-amlm5900.c
index e27b5c91b3d..284ea1f4420 100644
--- a/arch/arm/mach-s3c24xx/mach-amlm5900.c
+++ b/arch/arm/mach-s3c24xx/mach-amlm5900.c
@@ -52,6 +52,7 @@
#include <plat/regs-serial.h>
#include <mach/regs-lcd.h>
#include <mach/regs-gpio.h>
+#include <mach/gpio-samsung.h>
#include <linux/platform_data/i2c-s3c2410.h>
#include <plat/devs.h>
diff --git a/arch/arm/mach-s3c24xx/mach-anubis.c b/arch/arm/mach-s3c24xx/mach-anubis.c
index c1fb6c37867..2a16f8fb358 100644
--- a/arch/arm/mach-s3c24xx/mach-anubis.c
+++ b/arch/arm/mach-s3c24xx/mach-anubis.c
@@ -35,6 +35,7 @@
#include <plat/regs-serial.h>
#include <mach/regs-gpio.h>
#include <mach/regs-lcd.h>
+#include <mach/gpio-samsung.h>
#include <linux/platform_data/mtd-nand-s3c2410.h>
#include <linux/platform_data/i2c-s3c2410.h>
diff --git a/arch/arm/mach-s3c24xx/mach-at2440evb.c b/arch/arm/mach-s3c24xx/mach-at2440evb.c
index 6dfeeb7ef46..6beab674c14 100644
--- a/arch/arm/mach-s3c24xx/mach-at2440evb.c
+++ b/arch/arm/mach-s3c24xx/mach-at2440evb.c
@@ -36,6 +36,7 @@
#include <plat/regs-serial.h>
#include <mach/regs-gpio.h>
#include <mach/regs-lcd.h>
+#include <mach/gpio-samsung.h>
#include <linux/platform_data/mtd-nand-s3c2410.h>
#include <linux/platform_data/i2c-s3c2410.h>
diff --git a/arch/arm/mach-s3c24xx/mach-bast.c b/arch/arm/mach-s3c24xx/mach-bast.c
index 22d6ae926d9..981ba1eb9fd 100644
--- a/arch/arm/mach-s3c24xx/mach-bast.c
+++ b/arch/arm/mach-s3c24xx/mach-bast.c
@@ -48,6 +48,7 @@
#include <mach/hardware.h>
#include <mach/regs-gpio.h>
#include <mach/regs-lcd.h>
+#include <mach/gpio-samsung.h>
#include <plat/clock.h>
#include <plat/cpu.h>
diff --git a/arch/arm/mach-s3c24xx/mach-gta02.c b/arch/arm/mach-s3c24xx/mach-gta02.c
index 13d8d073675..d9170e9f8cc 100644
--- a/arch/arm/mach-s3c24xx/mach-gta02.c
+++ b/arch/arm/mach-s3c24xx/mach-gta02.c
@@ -75,6 +75,7 @@
#include <mach/hardware.h>
#include <mach/regs-gpio.h>
#include <mach/regs-irq.h>
+#include <mach/gpio-samsung.h>
#include <plat/cpu.h>
#include <plat/devs.h>
diff --git a/arch/arm/mach-s3c24xx/mach-h1940.c b/arch/arm/mach-s3c24xx/mach-h1940.c
index 952b6a040d1..de0832181d8 100644
--- a/arch/arm/mach-s3c24xx/mach-h1940.c
+++ b/arch/arm/mach-s3c24xx/mach-h1940.c
@@ -54,6 +54,7 @@
#include <mach/regs-clock.h>
#include <mach/regs-gpio.h>
#include <mach/regs-lcd.h>
+#include <mach/gpio-samsung.h>
#include <plat/clock.h>
#include <plat/cpu.h>
diff --git a/arch/arm/mach-s3c24xx/mach-jive.c b/arch/arm/mach-s3c24xx/mach-jive.c
index 43c23e220f5..67cb8e948b7 100644
--- a/arch/arm/mach-s3c24xx/mach-jive.c
+++ b/arch/arm/mach-s3c24xx/mach-jive.c
@@ -38,6 +38,7 @@
#include <mach/regs-gpio.h>
#include <mach/regs-lcd.h>
#include <mach/fb.h>
+#include <mach/gpio-samsung.h>
#include <asm/mach-types.h>
diff --git a/arch/arm/mach-s3c24xx/mach-mini2440.c b/arch/arm/mach-s3c24xx/mach-mini2440.c
index 4a18d49a63e..1f1559713d8 100644
--- a/arch/arm/mach-s3c24xx/mach-mini2440.c
+++ b/arch/arm/mach-s3c24xx/mach-mini2440.c
@@ -42,6 +42,7 @@
#include <linux/platform_data/leds-s3c24xx.h>
#include <mach/regs-lcd.h>
#include <mach/irqs.h>
+#include <mach/gpio-samsung.h>
#include <linux/platform_data/mtd-nand-s3c2410.h>
#include <linux/platform_data/i2c-s3c2410.h>
#include <linux/platform_data/mmc-s3cmci.h>
diff --git a/arch/arm/mach-s3c24xx/mach-n30.c b/arch/arm/mach-s3c24xx/mach-n30.c
index 2cb46c37c92..997684f1793 100644
--- a/arch/arm/mach-s3c24xx/mach-n30.c
+++ b/arch/arm/mach-s3c24xx/mach-n30.c
@@ -36,6 +36,7 @@
#include <linux/platform_data/leds-s3c24xx.h>
#include <mach/regs-gpio.h>
#include <mach/regs-lcd.h>
+#include <mach/gpio-samsung.h>
#include <asm/mach/arch.h>
#include <asm/mach/irq.h>
diff --git a/arch/arm/mach-s3c24xx/mach-nexcoder.c b/arch/arm/mach-s3c24xx/mach-nexcoder.c
index 01f4354206f..575d28c9e6c 100644
--- a/arch/arm/mach-s3c24xx/mach-nexcoder.c
+++ b/arch/arm/mach-s3c24xx/mach-nexcoder.c
@@ -37,6 +37,7 @@
//#include <asm/debug-ll.h>
#include <mach/regs-gpio.h>
+#include <mach/gpio-samsung.h>
#include <plat/regs-serial.h>
#include <linux/platform_data/i2c-s3c2410.h>
diff --git a/arch/arm/mach-s3c24xx/mach-osiris-dvs.c b/arch/arm/mach-s3c24xx/mach-osiris-dvs.c
index 45e74363aaa..33afb919009 100644
--- a/arch/arm/mach-s3c24xx/mach-osiris-dvs.c
+++ b/arch/arm/mach-s3c24xx/mach-osiris-dvs.c
@@ -20,6 +20,7 @@
#include <linux/i2c/tps65010.h>
#include <plat/cpu-freq.h>
+#include <mach/gpio-samsung.h>
#define OSIRIS_GPIO_DVS S3C2410_GPB(5)
diff --git a/arch/arm/mach-s3c24xx/mach-osiris.c b/arch/arm/mach-s3c24xx/mach-osiris.c
index 58d6fbe5bf1..f84f2a4c0c6 100644
--- a/arch/arm/mach-s3c24xx/mach-osiris.c
+++ b/arch/arm/mach-s3c24xx/mach-osiris.c
@@ -50,6 +50,7 @@
#include <mach/hardware.h>
#include <mach/regs-gpio.h>
#include <mach/regs-lcd.h>
+#include <mach/gpio-samsung.h>
#include "common.h"
#include "osiris.h"
diff --git a/arch/arm/mach-s3c24xx/mach-qt2410.c b/arch/arm/mach-s3c24xx/mach-qt2410.c
index f8feaeadb55..b534b76812e 100644
--- a/arch/arm/mach-s3c24xx/mach-qt2410.c
+++ b/arch/arm/mach-s3c24xx/mach-qt2410.c
@@ -54,6 +54,7 @@
#include <linux/platform_data/mtd-nand-s3c2410.h>
#include <linux/platform_data/usb-s3c2410_udc.h>
#include <linux/platform_data/i2c-s3c2410.h>
+#include <mach/gpio-samsung.h>
#include <plat/gpio-cfg.h>
#include <plat/devs.h>
diff --git a/arch/arm/mach-s3c24xx/mach-rx1950.c b/arch/arm/mach-s3c24xx/mach-rx1950.c
index 034b7fe45c4..0a5456cda1b 100644
--- a/arch/arm/mach-s3c24xx/mach-rx1950.c
+++ b/arch/arm/mach-s3c24xx/mach-rx1950.c
@@ -51,6 +51,7 @@
#include <mach/fb.h>
#include <mach/regs-gpio.h>
#include <mach/regs-lcd.h>
+#include <mach/gpio-samsung.h>
#include <plat/clock.h>
#include <plat/cpu.h>
@@ -58,6 +59,7 @@
#include <plat/pm.h>
#include <plat/regs-serial.h>
#include <plat/samsung-time.h>
+#include <plat/gpio-cfg.h>
#include "common.h"
#include "h1940.h"
diff --git a/arch/arm/mach-s3c24xx/mach-rx3715.c b/arch/arm/mach-s3c24xx/mach-rx3715.c
index 3bc6231d0a1..b36edce8b2b 100644
--- a/arch/arm/mach-s3c24xx/mach-rx3715.c
+++ b/arch/arm/mach-s3c24xx/mach-rx3715.c
@@ -43,6 +43,7 @@
#include <mach/hardware.h>
#include <mach/regs-gpio.h>
#include <mach/regs-lcd.h>
+#include <mach/gpio-samsung.h>
#include <plat/clock.h>
#include <plat/cpu.h>
diff --git a/arch/arm/mach-s3c24xx/mach-smdk2413.c b/arch/arm/mach-s3c24xx/mach-smdk2413.c
index c9d31ef28dd..f5bc721217e 100644
--- a/arch/arm/mach-s3c24xx/mach-smdk2413.c
+++ b/arch/arm/mach-s3c24xx/mach-smdk2413.c
@@ -39,6 +39,7 @@
#include <linux/platform_data/usb-s3c2410_udc.h>
#include <linux/platform_data/i2c-s3c2410.h>
+#include <mach/gpio-samsung.h>
#include <mach/fb.h>
#include <plat/clock.h>
diff --git a/arch/arm/mach-s3c24xx/mach-smdk2416.c b/arch/arm/mach-s3c24xx/mach-smdk2416.c
index f88e672ad1e..12023cae437 100644
--- a/arch/arm/mach-s3c24xx/mach-smdk2416.c
+++ b/arch/arm/mach-s3c24xx/mach-smdk2416.c
@@ -38,6 +38,7 @@
#include <mach/regs-gpio.h>
#include <mach/regs-lcd.h>
#include <mach/regs-s3c2443-clock.h>
+#include <mach/gpio-samsung.h>
#include <linux/platform_data/leds-s3c24xx.h>
#include <linux/platform_data/i2c-s3c2410.h>
diff --git a/arch/arm/mach-s3c24xx/mach-vr1000.c b/arch/arm/mach-s3c24xx/mach-vr1000.c
index 42e7187fed6..755df489a45 100644
--- a/arch/arm/mach-s3c24xx/mach-vr1000.c
+++ b/arch/arm/mach-s3c24xx/mach-vr1000.c
@@ -40,6 +40,7 @@
#include <mach/hardware.h>
#include <mach/regs-gpio.h>
+#include <mach/gpio-samsung.h>
#include <plat/clock.h>
#include <plat/cpu.h>
diff --git a/arch/arm/mach-s3c24xx/pm-s3c2410.c b/arch/arm/mach-s3c24xx/pm-s3c2410.c
index 2d82c4f116c..20e481d8a33 100644
--- a/arch/arm/mach-s3c24xx/pm-s3c2410.c
+++ b/arch/arm/mach-s3c24xx/pm-s3c2410.c
@@ -33,7 +33,9 @@
#include <mach/hardware.h>
#include <mach/regs-gpio.h>
+#include <mach/gpio-samsung.h>
+#include <plat/gpio-cfg.h>
#include <plat/cpu.h>
#include <plat/pm.h>
diff --git a/arch/arm/mach-s3c24xx/pm.c b/arch/arm/mach-s3c24xx/pm.c
index caa5b721138..052ca23393a 100644
--- a/arch/arm/mach-s3c24xx/pm.c
+++ b/arch/arm/mach-s3c24xx/pm.c
@@ -39,6 +39,7 @@
#include <mach/regs-clock.h>
#include <mach/regs-gpio.h>
#include <mach/regs-irq.h>
+#include <mach/gpio-samsung.h>
#include <asm/mach/time.h>
diff --git a/arch/arm/mach-s3c24xx/s3c2410.c b/arch/arm/mach-s3c24xx/s3c2410.c
index 34676d1d5fe..ffb92cbca08 100644
--- a/arch/arm/mach-s3c24xx/s3c2410.c
+++ b/arch/arm/mach-s3c24xx/s3c2410.c
@@ -30,6 +30,7 @@
#include <asm/mach/irq.h>
#include <mach/hardware.h>
+#include <mach/gpio-samsung.h>
#include <asm/irq.h>
#include <asm/system_misc.h>
diff --git a/arch/arm/mach-s3c24xx/s3c2416.c b/arch/arm/mach-s3c24xx/s3c2416.c
index 9ef3ccfbe19..8e01b4f2df3 100644
--- a/arch/arm/mach-s3c24xx/s3c2416.c
+++ b/arch/arm/mach-s3c24xx/s3c2416.c
@@ -42,6 +42,7 @@
#include <asm/mach/irq.h>
#include <mach/hardware.h>
+#include <mach/gpio-samsung.h>
#include <asm/proc-fns.h>
#include <asm/irq.h>
#include <asm/system_misc.h>
diff --git a/arch/arm/mach-s3c24xx/s3c2440.c b/arch/arm/mach-s3c24xx/s3c2440.c
index 5f9d6569475..03d379f1fc5 100644
--- a/arch/arm/mach-s3c24xx/s3c2440.c
+++ b/arch/arm/mach-s3c24xx/s3c2440.c
@@ -29,6 +29,7 @@
#include <asm/mach/irq.h>
#include <mach/hardware.h>
+#include <mach/gpio-samsung.h>
#include <asm/irq.h>
#include <plat/devs.h>
diff --git a/arch/arm/mach-s3c24xx/s3c2442.c b/arch/arm/mach-s3c24xx/s3c2442.c
index 6819961f6b1..2c8adc02853 100644
--- a/arch/arm/mach-s3c24xx/s3c2442.c
+++ b/arch/arm/mach-s3c24xx/s3c2442.c
@@ -37,6 +37,7 @@
#include <linux/io.h>
#include <mach/hardware.h>
+#include <mach/gpio-samsung.h>
#include <linux/atomic.h>
#include <asm/irq.h>
diff --git a/arch/arm/mach-s3c24xx/s3c2443.c b/arch/arm/mach-s3c24xx/s3c2443.c
index b6c71918b25..886c2147062 100644
--- a/arch/arm/mach-s3c24xx/s3c2443.c
+++ b/arch/arm/mach-s3c24xx/s3c2443.c
@@ -29,6 +29,7 @@
#include <asm/mach/irq.h>
#include <mach/hardware.h>
+#include <mach/gpio-samsung.h>
#include <asm/irq.h>
#include <asm/system_misc.h>
diff --git a/arch/arm/mach-s3c24xx/setup-i2c.c b/arch/arm/mach-s3c24xx/setup-i2c.c
index 7b4f33332d1..1852696ca16 100644
--- a/arch/arm/mach-s3c24xx/setup-i2c.c
+++ b/arch/arm/mach-s3c24xx/setup-i2c.c
@@ -19,6 +19,7 @@ struct platform_device;
#include <linux/platform_data/i2c-s3c2410.h>
#include <mach/hardware.h>
#include <mach/regs-gpio.h>
+#include <mach/gpio-samsung.h>
void s3c_i2c0_cfg_gpio(struct platform_device *dev)
{
diff --git a/arch/arm/mach-s3c24xx/setup-sdhci-gpio.c b/arch/arm/mach-s3c24xx/setup-sdhci-gpio.c
index f65cb3ef16c..c99b0f664db 100644
--- a/arch/arm/mach-s3c24xx/setup-sdhci-gpio.c
+++ b/arch/arm/mach-s3c24xx/setup-sdhci-gpio.c
@@ -20,6 +20,7 @@
#include <linux/gpio.h>
#include <mach/regs-gpio.h>
+#include <mach/gpio-samsung.h>
#include <plat/gpio-cfg.h>
void s3c2416_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width)
diff --git a/arch/arm/mach-s3c24xx/setup-ts.c b/arch/arm/mach-s3c24xx/setup-ts.c
index 4e11affce3a..46466d20257 100644
--- a/arch/arm/mach-s3c24xx/setup-ts.c
+++ b/arch/arm/mach-s3c24xx/setup-ts.c
@@ -15,7 +15,9 @@
struct platform_device; /* don't need the contents */
+#include <plat/gpio-cfg.h>
#include <mach/hardware.h>
+#include <mach/gpio-samsung.h>
/**
* s3c24xx_ts_cfg_gpio - configure gpio for s3c2410 systems
diff --git a/arch/arm/mach-s3c24xx/simtec-usb.c b/arch/arm/mach-s3c24xx/simtec-usb.c
index 2ed2e32430d..8dea917e954 100644
--- a/arch/arm/mach-s3c24xx/simtec-usb.c
+++ b/arch/arm/mach-s3c24xx/simtec-usb.c
@@ -29,6 +29,7 @@
#include <asm/mach/irq.h>
#include <mach/hardware.h>
+#include <mach/gpio-samsung.h>
#include <asm/irq.h>
#include <linux/platform_data/usb-ohci-s3c2410.h>
diff --git a/arch/arm/mach-s3c64xx/Kconfig b/arch/arm/mach-s3c64xx/Kconfig
index 2cb8dc55b50..64f04e6f9c3 100644
--- a/arch/arm/mach-s3c64xx/Kconfig
+++ b/arch/arm/mach-s3c64xx/Kconfig
@@ -17,9 +17,10 @@ config CPU_S3C6410
help
Enable S3C6410 CPU support
-config S3C64XX_DMA
- bool "S3C64XX DMA"
- select S3C_DMA
+config S3C64XX_PL080
+ bool "S3C64XX DMA using generic PL08x driver"
+ select AMBA_PL08X
+ select SAMSUNG_DMADEV
config S3C64XX_SETUP_SDHCI
bool
@@ -192,7 +193,6 @@ config SMDK6410_WM1190_EV1
select MFD_WM8350_I2C
select REGULATOR
select REGULATOR_WM8350
- select SAMSUNG_GPIO_EXTRA64
help
The Wolfson Microelectronics 1190-EV1 is a WM835x based PMIC
and audio daughtercard for the Samsung SMDK6410 reference
@@ -208,7 +208,6 @@ config SMDK6410_WM1192_EV1
select MFD_WM831X_I2C
select REGULATOR
select REGULATOR_WM831X
- select SAMSUNG_GPIO_EXTRA64
help
The Wolfson Microelectronics 1192-EV1 is a WM831x based PMIC
daughtercard for the Samsung SMDK6410 reference platform.
@@ -294,7 +293,6 @@ config MACH_WLF_CRAGG_6410
select SAMSUNG_DEV_ADC
select SAMSUNG_DEV_KEYPAD
select SAMSUNG_DEV_PWM
- select SAMSUNG_GPIO_EXTRA128
help
Machine support for the Wolfson Cragganmore S3C6410 variant.
diff --git a/arch/arm/mach-s3c64xx/Makefile b/arch/arm/mach-s3c64xx/Makefile
index 6faedcffce0..58069a702a4 100644
--- a/arch/arm/mach-s3c64xx/Makefile
+++ b/arch/arm/mach-s3c64xx/Makefile
@@ -26,7 +26,7 @@ obj-$(CONFIG_CPU_IDLE) += cpuidle.o
# DMA support
-obj-$(CONFIG_S3C64XX_DMA) += dma.o
+obj-$(CONFIG_S3C64XX_PL080) += pl080.o
# Device support
diff --git a/arch/arm/mach-s3c64xx/common.c b/arch/arm/mach-s3c64xx/common.c
index 7a3ce4c39e5..76ab595d849 100644
--- a/arch/arm/mach-s3c64xx/common.c
+++ b/arch/arm/mach-s3c64xx/common.c
@@ -41,6 +41,7 @@
#include <mach/map.h>
#include <mach/hardware.h>
#include <mach/regs-gpio.h>
+#include <mach/gpio-samsung.h>
#include <plat/cpu.h>
#include <plat/devs.h>
diff --git a/arch/arm/mach-s3c64xx/common.h b/arch/arm/mach-s3c64xx/common.h
index bd3bd562011..7043e7a3a67 100644
--- a/arch/arm/mach-s3c64xx/common.h
+++ b/arch/arm/mach-s3c64xx/common.h
@@ -58,4 +58,9 @@ int __init s3c64xx_pm_late_initcall(void);
static inline int s3c64xx_pm_late_initcall(void) { return 0; }
#endif
+#ifdef CONFIG_S3C64XX_PL080
+extern struct pl08x_platform_data s3c64xx_dma0_plat_data;
+extern struct pl08x_platform_data s3c64xx_dma1_plat_data;
+#endif
+
#endif /* __ARCH_ARM_MACH_S3C64XX_COMMON_H */
diff --git a/arch/arm/mach-s3c64xx/crag6410.h b/arch/arm/mach-s3c64xx/crag6410.h
index 4c3c9994fc2..7bc66682687 100644
--- a/arch/arm/mach-s3c64xx/crag6410.h
+++ b/arch/arm/mach-s3c64xx/crag6410.h
@@ -11,7 +11,7 @@
#ifndef MACH_CRAG6410_H
#define MACH_CRAG6410_H
-#include <linux/gpio.h>
+#include <mach/gpio-samsung.h>
#define GLENFARCLAS_PMIC_IRQ_BASE IRQ_BOARD_START
diff --git a/arch/arm/mach-s3c64xx/dev-audio.c b/arch/arm/mach-s3c64xx/dev-audio.c
index e367e87bbc2..ff780a8d836 100644
--- a/arch/arm/mach-s3c64xx/dev-audio.c
+++ b/arch/arm/mach-s3c64xx/dev-audio.c
@@ -22,6 +22,7 @@
#include <plat/devs.h>
#include <linux/platform_data/asoc-s3c.h>
#include <plat/gpio-cfg.h>
+#include <mach/gpio-samsung.h>
static int s3c64xx_i2s_cfg_gpio(struct platform_device *pdev)
{
diff --git a/arch/arm/mach-s3c64xx/dma.c b/arch/arm/mach-s3c64xx/dma.c
deleted file mode 100644
index 7e22c211381..00000000000
--- a/arch/arm/mach-s3c64xx/dma.c
+++ /dev/null
@@ -1,762 +0,0 @@
-/* linux/arch/arm/plat-s3c64xx/dma.c
- *
- * Copyright 2009 Openmoko, Inc.
- * Copyright 2009 Simtec Electronics
- * Ben Dooks <ben@simtec.co.uk>
- * http://armlinux.simtec.co.uk/
- *
- * S3C64XX DMA core
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-/*
- * NOTE: Code in this file is not used when booting with Device Tree support.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/dmapool.h>
-#include <linux/device.h>
-#include <linux/errno.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-#include <linux/clk.h>
-#include <linux/err.h>
-#include <linux/io.h>
-#include <linux/amba/pl080.h>
-#include <linux/of.h>
-
-#include <mach/dma.h>
-#include <mach/map.h>
-#include <mach/irqs.h>
-
-#include "regs-sys.h"
-
-/* dma channel state information */
-
-struct s3c64xx_dmac {
- struct device dev;
- struct clk *clk;
- void __iomem *regs;
- struct s3c2410_dma_chan *channels;
- enum dma_ch chanbase;
-};
-
-/* pool to provide LLI buffers */
-static struct dma_pool *dma_pool;
-
-/* Debug configuration and code */
-
-static unsigned char debug_show_buffs = 0;
-
-static void dbg_showchan(struct s3c2410_dma_chan *chan)
-{
- pr_debug("DMA%d: %08x->%08x L %08x C %08x,%08x S %08x\n",
- chan->number,
- readl(chan->regs + PL080_CH_SRC_ADDR),
- readl(chan->regs + PL080_CH_DST_ADDR),
- readl(chan->regs + PL080_CH_LLI),
- readl(chan->regs + PL080_CH_CONTROL),
- readl(chan->regs + PL080S_CH_CONTROL2),
- readl(chan->regs + PL080S_CH_CONFIG));
-}
-
-static void show_lli(struct pl080s_lli *lli)
-{
- pr_debug("LLI[%p] %08x->%08x, NL %08x C %08x,%08x\n",
- lli, lli->src_addr, lli->dst_addr, lli->next_lli,
- lli->control0, lli->control1);
-}
-
-static void dbg_showbuffs(struct s3c2410_dma_chan *chan)
-{
- struct s3c64xx_dma_buff *ptr;
- struct s3c64xx_dma_buff *end;
-
- pr_debug("DMA%d: buffs next %p, curr %p, end %p\n",
- chan->number, chan->next, chan->curr, chan->end);
-
- ptr = chan->next;
- end = chan->end;
-
- if (debug_show_buffs) {
- for (; ptr != NULL; ptr = ptr->next) {
- pr_debug("DMA%d: %08x ",
- chan->number, ptr->lli_dma);
- show_lli(ptr->lli);
- }
- }
-}
-
-/* End of Debug */
-
-static struct s3c2410_dma_chan *s3c64xx_dma_map_channel(unsigned int channel)
-{
- struct s3c2410_dma_chan *chan;
- unsigned int start, offs;
-
- start = 0;
-
- if (channel >= DMACH_PCM1_TX)
- start = 8;
-
- for (offs = 0; offs < 8; offs++) {
- chan = &s3c2410_chans[start + offs];
- if (!chan->in_use)
- goto found;
- }
-
- return NULL;
-
-found:
- s3c_dma_chan_map[channel] = chan;
- return chan;
-}
-
-int s3c2410_dma_config(enum dma_ch channel, int xferunit)
-{
- struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
-
- if (chan == NULL)
- return -EINVAL;
-
- switch (xferunit) {
- case 1:
- chan->hw_width = 0;
- break;
- case 2:
- chan->hw_width = 1;
- break;
- case 4:
- chan->hw_width = 2;
- break;
- default:
- printk(KERN_ERR "%s: illegal width %d\n", __func__, xferunit);
- return -EINVAL;
- }
-
- return 0;
-}
-EXPORT_SYMBOL(s3c2410_dma_config);
-
-static void s3c64xx_dma_fill_lli(struct s3c2410_dma_chan *chan,
- struct pl080s_lli *lli,
- dma_addr_t data, int size)
-{
- dma_addr_t src, dst;
- u32 control0, control1;
-
- switch (chan->source) {
- case DMA_FROM_DEVICE:
- src = chan->dev_addr;
- dst = data;
- control0 = PL080_CONTROL_SRC_AHB2;
- control0 |= PL080_CONTROL_DST_INCR;
- break;
-
- case DMA_TO_DEVICE:
- src = data;
- dst = chan->dev_addr;
- control0 = PL080_CONTROL_DST_AHB2;
- control0 |= PL080_CONTROL_SRC_INCR;
- break;
- default:
- BUG();
- }
-
- /* note, we do not currently setup any of the burst controls */
-
- control1 = size >> chan->hw_width; /* size in no of xfers */
- control0 |= PL080_CONTROL_PROT_SYS; /* always in priv. mode */
- control0 |= PL080_CONTROL_TC_IRQ_EN; /* always fire IRQ */
- control0 |= (u32)chan->hw_width << PL080_CONTROL_DWIDTH_SHIFT;
- control0 |= (u32)chan->hw_width << PL080_CONTROL_SWIDTH_SHIFT;
-
- lli->src_addr = src;
- lli->dst_addr = dst;
- lli->next_lli = 0;
- lli->control0 = control0;
- lli->control1 = control1;
-}
-
-static void s3c64xx_lli_to_regs(struct s3c2410_dma_chan *chan,
- struct pl080s_lli *lli)
-{
- void __iomem *regs = chan->regs;
-
- pr_debug("%s: LLI %p => regs\n", __func__, lli);
- show_lli(lli);
-
- writel(lli->src_addr, regs + PL080_CH_SRC_ADDR);
- writel(lli->dst_addr, regs + PL080_CH_DST_ADDR);
- writel(lli->next_lli, regs + PL080_CH_LLI);
- writel(lli->control0, regs + PL080_CH_CONTROL);
- writel(lli->control1, regs + PL080S_CH_CONTROL2);
-}
-
-static int s3c64xx_dma_start(struct s3c2410_dma_chan *chan)
-{
- struct s3c64xx_dmac *dmac = chan->dmac;
- u32 config;
- u32 bit = chan->bit;
-
- dbg_showchan(chan);
-
- pr_debug("%s: clearing interrupts\n", __func__);
-
- /* clear interrupts */
- writel(bit, dmac->regs + PL080_TC_CLEAR);
- writel(bit, dmac->regs + PL080_ERR_CLEAR);
-
- pr_debug("%s: starting channel\n", __func__);
-
- config = readl(chan->regs + PL080S_CH_CONFIG);
- config |= PL080_CONFIG_ENABLE;
- config &= ~PL080_CONFIG_HALT;
-
- pr_debug("%s: writing config %08x\n", __func__, config);
- writel(config, chan->regs + PL080S_CH_CONFIG);
-
- return 0;
-}
-
-static int s3c64xx_dma_stop(struct s3c2410_dma_chan *chan)
-{
- u32 config;
- int timeout;
-
- pr_debug("%s: stopping channel\n", __func__);
-
- dbg_showchan(chan);
-
- config = readl(chan->regs + PL080S_CH_CONFIG);
- config |= PL080_CONFIG_HALT;
- writel(config, chan->regs + PL080S_CH_CONFIG);
-
- timeout = 1000;
- do {
- config = readl(chan->regs + PL080S_CH_CONFIG);
- pr_debug("%s: %d - config %08x\n", __func__, timeout, config);
- if (config & PL080_CONFIG_ACTIVE)
- udelay(10);
- else
- break;
- } while (--timeout > 0);
-
- if (config & PL080_CONFIG_ACTIVE) {
- printk(KERN_ERR "%s: channel still active\n", __func__);
- return -EFAULT;
- }
-
- config = readl(chan->regs + PL080S_CH_CONFIG);
- config &= ~PL080_CONFIG_ENABLE;
- writel(config, chan->regs + PL080S_CH_CONFIG);
-
- return 0;
-}
-
-static inline void s3c64xx_dma_bufffdone(struct s3c2410_dma_chan *chan,
- struct s3c64xx_dma_buff *buf,
- enum s3c2410_dma_buffresult result)
-{
- if (chan->callback_fn != NULL)
- (chan->callback_fn)(chan, buf->pw, 0, result);
-}
-
-static void s3c64xx_dma_freebuff(struct s3c64xx_dma_buff *buff)
-{
- dma_pool_free(dma_pool, buff->lli, buff->lli_dma);
- kfree(buff);
-}
-
-static int s3c64xx_dma_flush(struct s3c2410_dma_chan *chan)
-{
- struct s3c64xx_dma_buff *buff, *next;
- u32 config;
-
- dbg_showchan(chan);
-
- pr_debug("%s: flushing channel\n", __func__);
-
- config = readl(chan->regs + PL080S_CH_CONFIG);
- config &= ~PL080_CONFIG_ENABLE;
- writel(config, chan->regs + PL080S_CH_CONFIG);
-
- /* dump all the buffers associated with this channel */
-
- for (buff = chan->curr; buff != NULL; buff = next) {
- next = buff->next;
- pr_debug("%s: buff %p (next %p)\n", __func__, buff, buff->next);
-
- s3c64xx_dma_bufffdone(chan, buff, S3C2410_RES_ABORT);
- s3c64xx_dma_freebuff(buff);
- }
-
- chan->curr = chan->next = chan->end = NULL;
-
- return 0;
-}
-
-int s3c2410_dma_ctrl(enum dma_ch channel, enum s3c2410_chan_op op)
-{
- struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
-
- WARN_ON(!chan);
- if (!chan)
- return -EINVAL;
-
- switch (op) {
- case S3C2410_DMAOP_START:
- return s3c64xx_dma_start(chan);
-
- case S3C2410_DMAOP_STOP:
- return s3c64xx_dma_stop(chan);
-
- case S3C2410_DMAOP_FLUSH:
- return s3c64xx_dma_flush(chan);
-
- /* believe PAUSE/RESUME are no-ops */
- case S3C2410_DMAOP_PAUSE:
- case S3C2410_DMAOP_RESUME:
- case S3C2410_DMAOP_STARTED:
- case S3C2410_DMAOP_TIMEOUT:
- return 0;
- }
-
- return -ENOENT;
-}
-EXPORT_SYMBOL(s3c2410_dma_ctrl);
-
-/* s3c2410_dma_enque
- *
- */
-
-int s3c2410_dma_enqueue(enum dma_ch channel, void *id,
- dma_addr_t data, int size)
-{
- struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
- struct s3c64xx_dma_buff *next;
- struct s3c64xx_dma_buff *buff;
- struct pl080s_lli *lli;
- unsigned long flags;
- int ret;
-
- WARN_ON(!chan);
- if (!chan)
- return -EINVAL;
-
- buff = kzalloc(sizeof(struct s3c64xx_dma_buff), GFP_ATOMIC);
- if (!buff) {
- printk(KERN_ERR "%s: no memory for buffer\n", __func__);
- return -ENOMEM;
- }
-
- lli = dma_pool_alloc(dma_pool, GFP_ATOMIC, &buff->lli_dma);
- if (!lli) {
- printk(KERN_ERR "%s: no memory for lli\n", __func__);
- ret = -ENOMEM;
- goto err_buff;
- }
-
- pr_debug("%s: buff %p, dp %08x lli (%p, %08x) %d\n",
- __func__, buff, data, lli, (u32)buff->lli_dma, size);
-
- buff->lli = lli;
- buff->pw = id;
-
- s3c64xx_dma_fill_lli(chan, lli, data, size);
-
- local_irq_save(flags);
-
- if ((next = chan->next) != NULL) {
- struct s3c64xx_dma_buff *end = chan->end;
- struct pl080s_lli *endlli = end->lli;
-
- pr_debug("enquing onto channel\n");
-
- end->next = buff;
- endlli->next_lli = buff->lli_dma;
-
- if (chan->flags & S3C2410_DMAF_CIRCULAR) {
- struct s3c64xx_dma_buff *curr = chan->curr;
- lli->next_lli = curr->lli_dma;
- }
-
- if (next == chan->curr) {
- writel(buff->lli_dma, chan->regs + PL080_CH_LLI);
- chan->next = buff;
- }
-
- show_lli(endlli);
- chan->end = buff;
- } else {
- pr_debug("enquing onto empty channel\n");
-
- chan->curr = buff;
- chan->next = buff;
- chan->end = buff;
-
- s3c64xx_lli_to_regs(chan, lli);
- }
-
- local_irq_restore(flags);
-
- show_lli(lli);
-
- dbg_showchan(chan);
- dbg_showbuffs(chan);
- return 0;
-
-err_buff:
- kfree(buff);
- return ret;
-}
-
-EXPORT_SYMBOL(s3c2410_dma_enqueue);
-
-
-int s3c2410_dma_devconfig(enum dma_ch channel,
- enum dma_data_direction source,
- unsigned long devaddr)
-{
- struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
- u32 peripheral;
- u32 config = 0;
-
- pr_debug("%s: channel %d, source %d, dev %08lx, chan %p\n",
- __func__, channel, source, devaddr, chan);
-
- WARN_ON(!chan);
- if (!chan)
- return -EINVAL;
-
- peripheral = (chan->peripheral & 0xf);
- chan->source = source;
- chan->dev_addr = devaddr;
-
- pr_debug("%s: peripheral %d\n", __func__, peripheral);
-
- switch (source) {
- case DMA_FROM_DEVICE:
- config = 2 << PL080_CONFIG_FLOW_CONTROL_SHIFT;
- config |= peripheral << PL080_CONFIG_SRC_SEL_SHIFT;
- break;
- case DMA_TO_DEVICE:
- config = 1 << PL080_CONFIG_FLOW_CONTROL_SHIFT;
- config |= peripheral << PL080_CONFIG_DST_SEL_SHIFT;
- break;
- default:
- printk(KERN_ERR "%s: bad source\n", __func__);
- return -EINVAL;
- }
-
- /* allow TC and ERR interrupts */
- config |= PL080_CONFIG_TC_IRQ_MASK;
- config |= PL080_CONFIG_ERR_IRQ_MASK;
-
- pr_debug("%s: config %08x\n", __func__, config);
-
- writel(config, chan->regs + PL080S_CH_CONFIG);
-
- return 0;
-}
-EXPORT_SYMBOL(s3c2410_dma_devconfig);
-
-
-int s3c2410_dma_getposition(enum dma_ch channel,
- dma_addr_t *src, dma_addr_t *dst)
-{
- struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
-
- WARN_ON(!chan);
- if (!chan)
- return -EINVAL;
-
- if (src != NULL)
- *src = readl(chan->regs + PL080_CH_SRC_ADDR);
-
- if (dst != NULL)
- *dst = readl(chan->regs + PL080_CH_DST_ADDR);
-
- return 0;
-}
-EXPORT_SYMBOL(s3c2410_dma_getposition);
-
-/* s3c2410_request_dma
- *
- * get control of an dma channel
-*/
-
-int s3c2410_dma_request(enum dma_ch channel,
- struct s3c2410_dma_client *client,
- void *dev)
-{
- struct s3c2410_dma_chan *chan;
- unsigned long flags;
-
- pr_debug("dma%d: s3c2410_request_dma: client=%s, dev=%p\n",
- channel, client->name, dev);
-
- local_irq_save(flags);
-
- chan = s3c64xx_dma_map_channel(channel);
- if (chan == NULL) {
- local_irq_restore(flags);
- return -EBUSY;
- }
-
- dbg_showchan(chan);
-
- chan->client = client;
- chan->in_use = 1;
- chan->peripheral = channel;
- chan->flags = 0;
-
- local_irq_restore(flags);
-
- /* need to setup */
-
- pr_debug("%s: channel initialised, %p\n", __func__, chan);
-
- return chan->number | DMACH_LOW_LEVEL;
-}
-
-EXPORT_SYMBOL(s3c2410_dma_request);
-
-/* s3c2410_dma_free
- *
- * release the given channel back to the system, will stop and flush
- * any outstanding transfers, and ensure the channel is ready for the
- * next claimant.
- *
- * Note, although a warning is currently printed if the freeing client
- * info is not the same as the registrant's client info, the free is still
- * allowed to go through.
-*/
-
-int s3c2410_dma_free(enum dma_ch channel, struct s3c2410_dma_client *client)
-{
- struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
- unsigned long flags;
-
- if (chan == NULL)
- return -EINVAL;
-
- local_irq_save(flags);
-
- if (chan->client != client) {
- printk(KERN_WARNING "dma%d: possible free from different client (channel %p, passed %p)\n",
- channel, chan->client, client);
- }
-
- /* sort out stopping and freeing the channel */
-
-
- chan->client = NULL;
- chan->in_use = 0;
-
- if (!(channel & DMACH_LOW_LEVEL))
- s3c_dma_chan_map[channel] = NULL;
-
- local_irq_restore(flags);
-
- return 0;
-}
-
-EXPORT_SYMBOL(s3c2410_dma_free);
-
-static irqreturn_t s3c64xx_dma_irq(int irq, void *pw)
-{
- struct s3c64xx_dmac *dmac = pw;
- struct s3c2410_dma_chan *chan;
- enum s3c2410_dma_buffresult res;
- u32 tcstat, errstat;
- u32 bit;
- int offs;
-
- tcstat = readl(dmac->regs + PL080_TC_STATUS);
- errstat = readl(dmac->regs + PL080_ERR_STATUS);
-
- for (offs = 0, bit = 1; offs < 8; offs++, bit <<= 1) {
- struct s3c64xx_dma_buff *buff;
-
- if (!(errstat & bit) && !(tcstat & bit))
- continue;
-
- chan = dmac->channels + offs;
- res = S3C2410_RES_ERR;
-
- if (tcstat & bit) {
- writel(bit, dmac->regs + PL080_TC_CLEAR);
- res = S3C2410_RES_OK;
- }
-
- if (errstat & bit)
- writel(bit, dmac->regs + PL080_ERR_CLEAR);
-
- /* 'next' points to the buffer that is next to the
- * currently active buffer.
- * For CIRCULAR queues, 'next' will be same as 'curr'
- * when 'end' is the active buffer.
- */
- buff = chan->curr;
- while (buff && buff != chan->next
- && buff->next != chan->next)
- buff = buff->next;
-
- if (!buff)
- BUG();
-
- if (buff == chan->next)
- buff = chan->end;
-
- s3c64xx_dma_bufffdone(chan, buff, res);
-
- /* Free the node and update curr, if non-circular queue */
- if (!(chan->flags & S3C2410_DMAF_CIRCULAR)) {
- chan->curr = buff->next;
- s3c64xx_dma_freebuff(buff);
- }
-
- /* Update 'next' */
- buff = chan->next;
- if (chan->next == chan->end) {
- chan->next = chan->curr;
- if (!(chan->flags & S3C2410_DMAF_CIRCULAR))
- chan->end = NULL;
- } else {
- chan->next = buff->next;
- }
- }
-
- return IRQ_HANDLED;
-}
-
-static struct bus_type dma_subsys = {
- .name = "s3c64xx-dma",
- .dev_name = "s3c64xx-dma",
-};
-
-static int s3c64xx_dma_init1(int chno, enum dma_ch chbase,
- int irq, unsigned int base)
-{
- struct s3c2410_dma_chan *chptr = &s3c2410_chans[chno];
- struct s3c64xx_dmac *dmac;
- char clkname[16];
- void __iomem *regs;
- void __iomem *regptr;
- int err, ch;
-
- dmac = kzalloc(sizeof(struct s3c64xx_dmac), GFP_KERNEL);
- if (!dmac) {
- printk(KERN_ERR "%s: failed to alloc mem\n", __func__);
- return -ENOMEM;
- }
-
- dmac->dev.id = chno / 8;
- dmac->dev.bus = &dma_subsys;
-
- err = device_register(&dmac->dev);
- if (err) {
- printk(KERN_ERR "%s: failed to register device\n", __func__);
- goto err_alloc;
- }
-
- regs = ioremap(base, 0x200);
- if (!regs) {
- printk(KERN_ERR "%s: failed to ioremap()\n", __func__);
- err = -ENXIO;
- goto err_dev;
- }
-
- snprintf(clkname, sizeof(clkname), "dma%d", dmac->dev.id);
-
- dmac->clk = clk_get(NULL, clkname);
- if (IS_ERR(dmac->clk)) {
- printk(KERN_ERR "%s: failed to get clock %s\n", __func__, clkname);
- err = PTR_ERR(dmac->clk);
- goto err_map;
- }
-
- clk_prepare_enable(dmac->clk);
-
- dmac->regs = regs;
- dmac->chanbase = chbase;
- dmac->channels = chptr;
-
- err = request_irq(irq, s3c64xx_dma_irq, 0, "DMA", dmac);
- if (err < 0) {
- printk(KERN_ERR "%s: failed to get irq\n", __func__);
- goto err_clk;
- }
-
- regptr = regs + PL080_Cx_BASE(0);
-
- for (ch = 0; ch < 8; ch++, chptr++) {
- pr_debug("%s: registering DMA %d (%p)\n",
- __func__, chno + ch, regptr);
-
- chptr->bit = 1 << ch;
- chptr->number = chno + ch;
- chptr->dmac = dmac;
- chptr->regs = regptr;
- regptr += PL080_Cx_STRIDE;
- }
-
- /* for the moment, permanently enable the controller */
- writel(PL080_CONFIG_ENABLE, regs + PL080_CONFIG);
-
- printk(KERN_INFO "PL080: IRQ %d, at %p, channels %d..%d\n",
- irq, regs, chno, chno+8);
-
- return 0;
-
-err_clk:
- clk_disable_unprepare(dmac->clk);
- clk_put(dmac->clk);
-err_map:
- iounmap(regs);
-err_dev:
- device_unregister(&dmac->dev);
-err_alloc:
- kfree(dmac);
- return err;
-}
-
-static int __init s3c64xx_dma_init(void)
-{
- int ret;
-
- /* This driver is not supported when booting with device tree. */
- if (of_have_populated_dt())
- return -ENODEV;
-
- printk(KERN_INFO "%s: Registering DMA channels\n", __func__);
-
- dma_pool = dma_pool_create("DMA-LLI", NULL, sizeof(struct pl080s_lli), 16, 0);
- if (!dma_pool) {
- printk(KERN_ERR "%s: failed to create pool\n", __func__);
- return -ENOMEM;
- }
-
- ret = subsys_system_register(&dma_subsys, NULL);
- if (ret) {
- printk(KERN_ERR "%s: failed to create subsys\n", __func__);
- return -ENOMEM;
- }
-
- /* Set all DMA configuration to be DMA, not SDMA */
- writel(0xffffff, S3C64XX_SDMA_SEL);
-
- /* Register standard DMA controllers */
- s3c64xx_dma_init1(0, DMACH_UART0, IRQ_DMA0, 0x75000000);
- s3c64xx_dma_init1(8, DMACH_PCM1_TX, IRQ_DMA1, 0x75100000);
-
- return 0;
-}
-
-arch_initcall(s3c64xx_dma_init);
diff --git a/arch/arm/mach-s3c64xx/include/mach/dma.h b/arch/arm/mach-s3c64xx/include/mach/dma.h
index fe1a98cf0e4..059b1fc8503 100644
--- a/arch/arm/mach-s3c64xx/include/mach/dma.h
+++ b/arch/arm/mach-s3c64xx/include/mach/dma.h
@@ -11,51 +11,48 @@
#ifndef __ASM_ARCH_DMA_H
#define __ASM_ARCH_DMA_H __FILE__
-#define S3C_DMA_CHANNELS (16)
+#define S3C64XX_DMA_CHAN(name) ((unsigned long)(name))
+
+/* DMA0/SDMA0 */
+#define DMACH_UART0 S3C64XX_DMA_CHAN("uart0_tx")
+#define DMACH_UART0_SRC2 S3C64XX_DMA_CHAN("uart0_rx")
+#define DMACH_UART1 S3C64XX_DMA_CHAN("uart1_tx")
+#define DMACH_UART1_SRC2 S3C64XX_DMA_CHAN("uart1_rx")
+#define DMACH_UART2 S3C64XX_DMA_CHAN("uart2_tx")
+#define DMACH_UART2_SRC2 S3C64XX_DMA_CHAN("uart2_rx")
+#define DMACH_UART3 S3C64XX_DMA_CHAN("uart3_tx")
+#define DMACH_UART3_SRC2 S3C64XX_DMA_CHAN("uart3_rx")
+#define DMACH_PCM0_TX S3C64XX_DMA_CHAN("pcm0_tx")
+#define DMACH_PCM0_RX S3C64XX_DMA_CHAN("pcm0_rx")
+#define DMACH_I2S0_OUT S3C64XX_DMA_CHAN("i2s0_tx")
+#define DMACH_I2S0_IN S3C64XX_DMA_CHAN("i2s0_rx")
+#define DMACH_SPI0_TX S3C64XX_DMA_CHAN("spi0_tx")
+#define DMACH_SPI0_RX S3C64XX_DMA_CHAN("spi0_rx")
+#define DMACH_HSI_I2SV40_TX S3C64XX_DMA_CHAN("i2s2_tx")
+#define DMACH_HSI_I2SV40_RX S3C64XX_DMA_CHAN("i2s2_rx")
+
+/* DMA1/SDMA1 */
+#define DMACH_PCM1_TX S3C64XX_DMA_CHAN("pcm1_tx")
+#define DMACH_PCM1_RX S3C64XX_DMA_CHAN("pcm1_rx")
+#define DMACH_I2S1_OUT S3C64XX_DMA_CHAN("i2s1_tx")
+#define DMACH_I2S1_IN S3C64XX_DMA_CHAN("i2s1_rx")
+#define DMACH_SPI1_TX S3C64XX_DMA_CHAN("spi1_tx")
+#define DMACH_SPI1_RX S3C64XX_DMA_CHAN("spi1_rx")
+#define DMACH_AC97_PCMOUT S3C64XX_DMA_CHAN("ac97_out")
+#define DMACH_AC97_PCMIN S3C64XX_DMA_CHAN("ac97_in")
+#define DMACH_AC97_MICIN S3C64XX_DMA_CHAN("ac97_mic")
+#define DMACH_PWM S3C64XX_DMA_CHAN("pwm")
+#define DMACH_IRDA S3C64XX_DMA_CHAN("irda")
+#define DMACH_EXTERNAL S3C64XX_DMA_CHAN("external")
+#define DMACH_SECURITY_RX S3C64XX_DMA_CHAN("sec_rx")
+#define DMACH_SECURITY_TX S3C64XX_DMA_CHAN("sec_tx")
-/* see mach-s3c2410/dma.h for notes on dma channel numbers */
-
-/* Note, for the S3C64XX architecture we keep the DMACH_
- * defines in the order they are allocated to [S]DMA0/[S]DMA1
- * so that is easy to do DHACH_ -> DMA controller conversion
- */
enum dma_ch {
- /* DMA0/SDMA0 */
- DMACH_UART0 = 0,
- DMACH_UART0_SRC2,
- DMACH_UART1,
- DMACH_UART1_SRC2,
- DMACH_UART2,
- DMACH_UART2_SRC2,
- DMACH_UART3,
- DMACH_UART3_SRC2,
- DMACH_PCM0_TX,
- DMACH_PCM0_RX,
- DMACH_I2S0_OUT,
- DMACH_I2S0_IN,
- DMACH_SPI0_TX,
- DMACH_SPI0_RX,
- DMACH_HSI_I2SV40_TX,
- DMACH_HSI_I2SV40_RX,
+ DMACH_MAX = 32
+};
- /* DMA1/SDMA1 */
- DMACH_PCM1_TX = 16,
- DMACH_PCM1_RX,
- DMACH_I2S1_OUT,
- DMACH_I2S1_IN,
- DMACH_SPI1_TX,
- DMACH_SPI1_RX,
- DMACH_AC97_PCMOUT,
- DMACH_AC97_PCMIN,
- DMACH_AC97_MICIN,
- DMACH_PWM,
- DMACH_IRDA,
- DMACH_EXTERNAL,
- DMACH_RES1,
- DMACH_RES2,
- DMACH_SECURITY_RX, /* SDMA1 only */
- DMACH_SECURITY_TX, /* SDMA1 only */
- DMACH_MAX /* the end */
+struct s3c2410_dma_client {
+ char *name;
};
static inline bool samsung_dma_has_circular(void)
@@ -65,67 +62,10 @@ static inline bool samsung_dma_has_circular(void)
static inline bool samsung_dma_is_dmadev(void)
{
- return false;
+ return true;
}
-#define S3C2410_DMAF_CIRCULAR (1 << 0)
-
-#include <plat/dma.h>
-
-#define DMACH_LOW_LEVEL (1<<28) /* use this to specifiy hardware ch no */
-
-struct s3c64xx_dma_buff;
-
-/** s3c64xx_dma_buff - S3C64XX DMA buffer descriptor
- * @next: Pointer to next buffer in queue or ring.
- * @pw: Client provided identifier
- * @lli: Pointer to hardware descriptor this buffer is associated with.
- * @lli_dma: Hardare address of the descriptor.
- */
-struct s3c64xx_dma_buff {
- struct s3c64xx_dma_buff *next;
-
- void *pw;
- struct pl080s_lli *lli;
- dma_addr_t lli_dma;
-};
-
-struct s3c64xx_dmac;
-
-struct s3c2410_dma_chan {
- unsigned char number; /* number of this dma channel */
- unsigned char in_use; /* channel allocated */
- unsigned char bit; /* bit for enable/disable/etc */
- unsigned char hw_width;
- unsigned char peripheral;
-
- unsigned int flags;
- enum dma_data_direction source;
-
-
- dma_addr_t dev_addr;
-
- struct s3c2410_dma_client *client;
- struct s3c64xx_dmac *dmac; /* pointer to controller */
-
- void __iomem *regs;
-
- /* cdriver callbacks */
- s3c2410_dma_cbfn_t callback_fn; /* buffer done callback */
- s3c2410_dma_opfn_t op_fn; /* channel op callback */
-
- /* buffer list and information */
- struct s3c64xx_dma_buff *curr; /* current dma buffer */
- struct s3c64xx_dma_buff *next; /* next buffer to load */
- struct s3c64xx_dma_buff *end; /* end of queue */
-
- /* note, when channel is running in circular mode, curr is the
- * first buffer enqueued, end is the last and curr is where the
- * last buffer-done event is set-at. The buffers are not freed
- * and the last buffer hardware descriptor points back to the
- * first.
- */
-};
-#include <plat/dma-core.h>
+#include <linux/amba/pl08x.h>
+#include <plat/dma-ops.h>
#endif /* __ASM_ARCH_IRQ_H */
diff --git a/arch/arm/mach-s3c64xx/include/mach/gpio.h b/arch/arm/mach-s3c64xx/include/mach/gpio-samsung.h
index 8b540c42d5d..9c81fac3b2d 100644
--- a/arch/arm/mach-s3c64xx/include/mach/gpio.h
+++ b/arch/arm/mach-s3c64xx/include/mach/gpio-samsung.h
@@ -1,5 +1,4 @@
-/* arch/arm/mach-s3c6400/include/mach/gpio.h
- *
+/*
* Copyright 2008 Openmoko, Inc.
* Copyright 2008 Simtec Electronics
* http://armlinux.simtec.co.uk/
@@ -12,6 +11,9 @@
* published by the Free Software Foundation.
*/
+#ifndef GPIO_SAMSUNG_S3C64XX_H
+#define GPIO_SAMSUNG_S3C64XX_H
+
/* GPIO bank sizes */
#define S3C64XX_GPIO_A_NR (8)
#define S3C64XX_GPIO_B_NR (7)
@@ -88,6 +90,5 @@ enum s3c_gpio_number {
/* define the number of gpios we need to the one after the GPQ() range */
#define GPIO_BOARD_START (S3C64XX_GPQ(S3C64XX_GPIO_Q_NR) + 1)
-#define BOARD_NR_GPIOS (16 + CONFIG_SAMSUNG_GPIO_EXTRA)
+#endif /* GPIO_SAMSUNG_S3C64XX_H */
-#define ARCH_NR_GPIOS (GPIO_BOARD_START + BOARD_NR_GPIOS)
diff --git a/arch/arm/mach-s3c64xx/mach-anw6410.c b/arch/arm/mach-s3c64xx/mach-anw6410.c
index d266dd5f706..ddeb0e51a96 100644
--- a/arch/arm/mach-s3c64xx/mach-anw6410.c
+++ b/arch/arm/mach-s3c64xx/mach-anw6410.c
@@ -49,6 +49,7 @@
#include <plat/devs.h>
#include <plat/cpu.h>
#include <mach/regs-gpio.h>
+#include <mach/gpio-samsung.h>
#include <plat/samsung-time.h>
#include "common.h"
diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c
index 758e31b2655..3df3c372ee1 100644
--- a/arch/arm/mach-s3c64xx/mach-crag6410.c
+++ b/arch/arm/mach-s3c64xx/mach-crag6410.c
@@ -48,8 +48,8 @@
#include <video/samsung_fimd.h>
#include <mach/hardware.h>
#include <mach/map.h>
-
#include <mach/regs-gpio.h>
+#include <mach/gpio-samsung.h>
#include <plat/regs-serial.h>
#include <plat/fb.h>
diff --git a/arch/arm/mach-s3c64xx/mach-hmt.c b/arch/arm/mach-s3c64xx/mach-hmt.c
index 614a03a92cf..0431016925b 100644
--- a/arch/arm/mach-s3c64xx/mach-hmt.c
+++ b/arch/arm/mach-s3c64xx/mach-hmt.c
@@ -35,6 +35,7 @@
#include <plat/regs-serial.h>
#include <linux/platform_data/i2c-s3c2410.h>
+#include <mach/gpio-samsung.h>
#include <plat/fb.h>
#include <linux/platform_data/mtd-nand-s3c2410.h>
diff --git a/arch/arm/mach-s3c64xx/mach-mini6410.c b/arch/arm/mach-s3c64xx/mach-mini6410.c
index 58d46a3d7b7..8c84d3448da 100644
--- a/arch/arm/mach-s3c64xx/mach-mini6410.c
+++ b/arch/arm/mach-s3c64xx/mach-mini6410.c
@@ -30,6 +30,7 @@
#include <mach/map.h>
#include <mach/regs-gpio.h>
+#include <mach/gpio-samsung.h>
#include <plat/adc.h>
#include <plat/cpu.h>
diff --git a/arch/arm/mach-s3c64xx/mach-real6410.c b/arch/arm/mach-s3c64xx/mach-real6410.c
index 8bed37b3d5a..5152026f0e1 100644
--- a/arch/arm/mach-s3c64xx/mach-real6410.c
+++ b/arch/arm/mach-s3c64xx/mach-real6410.c
@@ -31,6 +31,7 @@
#include <mach/map.h>
#include <mach/regs-gpio.h>
+#include <mach/gpio-samsung.h>
#include <plat/adc.h>
#include <plat/cpu.h>
diff --git a/arch/arm/mach-s3c64xx/mach-s3c64xx-dt.c b/arch/arm/mach-s3c64xx/mach-s3c64xx-dt.c
index 7eb9a10fc1a..2fddf38192d 100644
--- a/arch/arm/mach-s3c64xx/mach-s3c64xx-dt.c
+++ b/arch/arm/mach-s3c64xx/mach-s3c64xx-dt.c
@@ -8,8 +8,6 @@
* published by the Free Software Foundation.
*/
-#include <linux/clk-provider.h>
-#include <linux/irqchip.h>
#include <linux/of_platform.h>
#include <asm/mach/arch.h>
@@ -48,15 +46,9 @@ static void __init s3c64xx_dt_map_io(void)
panic("SoC is not S3C64xx!");
}
-static void __init s3c64xx_dt_init_irq(void)
-{
- of_clk_init(NULL);
- samsung_wdt_reset_of_init();
- irqchip_init();
-};
-
static void __init s3c64xx_dt_init_machine(void)
{
+ samsung_wdt_reset_of_init();
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
}
@@ -79,7 +71,6 @@ DT_MACHINE_START(S3C6400_DT, "Samsung S3C64xx (Flattened Device Tree)")
/* Maintainer: Tomasz Figa <tomasz.figa@gmail.com> */
.dt_compat = s3c64xx_dt_compat,
.map_io = s3c64xx_dt_map_io,
- .init_irq = s3c64xx_dt_init_irq,
.init_machine = s3c64xx_dt_init_machine,
.restart = s3c64xx_dt_restart,
MACHINE_END
diff --git a/arch/arm/mach-s3c64xx/mach-smartq.c b/arch/arm/mach-s3c64xx/mach-smartq.c
index a6b338fd047..5629df905fc 100644
--- a/arch/arm/mach-s3c64xx/mach-smartq.c
+++ b/arch/arm/mach-s3c64xx/mach-smartq.c
@@ -25,6 +25,7 @@
#include <mach/map.h>
#include <mach/regs-gpio.h>
+#include <mach/gpio-samsung.h>
#include <plat/clock.h>
#include <plat/cpu.h>
diff --git a/arch/arm/mach-s3c64xx/mach-smartq5.c b/arch/arm/mach-s3c64xx/mach-smartq5.c
index 8aca5daf3d0..dec4c08e834 100644
--- a/arch/arm/mach-s3c64xx/mach-smartq5.c
+++ b/arch/arm/mach-s3c64xx/mach-smartq5.c
@@ -23,6 +23,7 @@
#include <video/samsung_fimd.h>
#include <mach/map.h>
#include <mach/regs-gpio.h>
+#include <mach/gpio-samsung.h>
#include <plat/cpu.h>
#include <plat/devs.h>
diff --git a/arch/arm/mach-s3c64xx/mach-smartq7.c b/arch/arm/mach-s3c64xx/mach-smartq7.c
index a052e107c0b..27b322069c7 100644
--- a/arch/arm/mach-s3c64xx/mach-smartq7.c
+++ b/arch/arm/mach-s3c64xx/mach-smartq7.c
@@ -23,6 +23,7 @@
#include <video/samsung_fimd.h>
#include <mach/map.h>
#include <mach/regs-gpio.h>
+#include <mach/gpio-samsung.h>
#include <plat/cpu.h>
#include <plat/devs.h>
diff --git a/arch/arm/mach-s3c64xx/mach-smdk6400.c b/arch/arm/mach-s3c64xx/mach-smdk6400.c
index 27381cfcabb..150f55fb9e3 100644
--- a/arch/arm/mach-s3c64xx/mach-smdk6400.c
+++ b/arch/arm/mach-s3c64xx/mach-smdk6400.c
@@ -35,6 +35,7 @@
#include <plat/devs.h>
#include <plat/cpu.h>
#include <linux/platform_data/i2c-s3c2410.h>
+#include <mach/gpio-samsung.h>
#include <plat/samsung-time.h>
#include "common.h"
diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c
index d5ea938cc9a..43261d24a0a 100644
--- a/arch/arm/mach-s3c64xx/mach-smdk6410.c
+++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c
@@ -57,6 +57,7 @@
#include <plat/regs-serial.h>
#include <mach/regs-gpio.h>
+#include <mach/gpio-samsung.h>
#include <linux/platform_data/ata-samsung_cf.h>
#include <linux/platform_data/i2c-s3c2410.h>
#include <plat/fb.h>
diff --git a/arch/arm/mach-s3c64xx/pl080.c b/arch/arm/mach-s3c64xx/pl080.c
new file mode 100644
index 00000000000..901a984bddc
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/pl080.c
@@ -0,0 +1,244 @@
+/*
+ * Samsung's S3C64XX generic DMA support using amba-pl08x driver.
+ *
+ * Copyright (c) 2013 Tomasz Figa <tomasz.figa@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/amba/bus.h>
+#include <linux/amba/pl080.h>
+#include <linux/amba/pl08x.h>
+#include <linux/of.h>
+
+#include <mach/irqs.h>
+#include <mach/map.h>
+
+#include "regs-sys.h"
+
+static int pl08x_get_xfer_signal(const struct pl08x_channel_data *cd)
+{
+ return cd->min_signal;
+}
+
+static void pl08x_put_xfer_signal(const struct pl08x_channel_data *cd, int ch)
+{
+}
+
+/*
+ * DMA0
+ */
+
+static struct pl08x_channel_data s3c64xx_dma0_info[] = {
+ {
+ .bus_id = "uart0_tx",
+ .min_signal = 0,
+ .max_signal = 0,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "uart0_rx",
+ .min_signal = 1,
+ .max_signal = 1,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "uart1_tx",
+ .min_signal = 2,
+ .max_signal = 2,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "uart1_rx",
+ .min_signal = 3,
+ .max_signal = 3,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "uart2_tx",
+ .min_signal = 4,
+ .max_signal = 4,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "uart2_rx",
+ .min_signal = 5,
+ .max_signal = 5,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "uart3_tx",
+ .min_signal = 6,
+ .max_signal = 6,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "uart3_rx",
+ .min_signal = 7,
+ .max_signal = 7,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "pcm0_tx",
+ .min_signal = 8,
+ .max_signal = 8,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "pcm0_rx",
+ .min_signal = 9,
+ .max_signal = 9,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "i2s0_tx",
+ .min_signal = 10,
+ .max_signal = 10,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "i2s0_rx",
+ .min_signal = 11,
+ .max_signal = 11,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "spi0_tx",
+ .min_signal = 12,
+ .max_signal = 12,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "spi0_rx",
+ .min_signal = 13,
+ .max_signal = 13,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "i2s2_tx",
+ .min_signal = 14,
+ .max_signal = 14,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "i2s2_rx",
+ .min_signal = 15,
+ .max_signal = 15,
+ .periph_buses = PL08X_AHB2,
+ }
+};
+
+struct pl08x_platform_data s3c64xx_dma0_plat_data = {
+ .memcpy_channel = {
+ .bus_id = "memcpy",
+ .cctl_memcpy =
+ (PL080_BSIZE_4 << PL080_CONTROL_SB_SIZE_SHIFT |
+ PL080_BSIZE_4 << PL080_CONTROL_DB_SIZE_SHIFT |
+ PL080_WIDTH_32BIT << PL080_CONTROL_SWIDTH_SHIFT |
+ PL080_WIDTH_32BIT << PL080_CONTROL_DWIDTH_SHIFT |
+ PL080_CONTROL_PROT_BUFF | PL080_CONTROL_PROT_CACHE |
+ PL080_CONTROL_PROT_SYS),
+ },
+ .lli_buses = PL08X_AHB1,
+ .mem_buses = PL08X_AHB1,
+ .get_xfer_signal = pl08x_get_xfer_signal,
+ .put_xfer_signal = pl08x_put_xfer_signal,
+ .slave_channels = s3c64xx_dma0_info,
+ .num_slave_channels = ARRAY_SIZE(s3c64xx_dma0_info),
+};
+
+static AMBA_AHB_DEVICE(s3c64xx_dma0, "dma-pl080s.0", 0,
+ 0x75000000, {IRQ_DMA0}, &s3c64xx_dma0_plat_data);
+
+/*
+ * DMA1
+ */
+
+static struct pl08x_channel_data s3c64xx_dma1_info[] = {
+ {
+ .bus_id = "pcm1_tx",
+ .min_signal = 0,
+ .max_signal = 0,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "pcm1_rx",
+ .min_signal = 1,
+ .max_signal = 1,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "i2s1_tx",
+ .min_signal = 2,
+ .max_signal = 2,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "i2s1_rx",
+ .min_signal = 3,
+ .max_signal = 3,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "spi1_tx",
+ .min_signal = 4,
+ .max_signal = 4,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "spi1_rx",
+ .min_signal = 5,
+ .max_signal = 5,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "ac97_out",
+ .min_signal = 6,
+ .max_signal = 6,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "ac97_in",
+ .min_signal = 7,
+ .max_signal = 7,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "ac97_mic",
+ .min_signal = 8,
+ .max_signal = 8,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "pwm",
+ .min_signal = 9,
+ .max_signal = 9,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "irda",
+ .min_signal = 10,
+ .max_signal = 10,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "external",
+ .min_signal = 11,
+ .max_signal = 11,
+ .periph_buses = PL08X_AHB2,
+ },
+};
+
+struct pl08x_platform_data s3c64xx_dma1_plat_data = {
+ .memcpy_channel = {
+ .bus_id = "memcpy",
+ .cctl_memcpy =
+ (PL080_BSIZE_4 << PL080_CONTROL_SB_SIZE_SHIFT |
+ PL080_BSIZE_4 << PL080_CONTROL_DB_SIZE_SHIFT |
+ PL080_WIDTH_32BIT << PL080_CONTROL_SWIDTH_SHIFT |
+ PL080_WIDTH_32BIT << PL080_CONTROL_DWIDTH_SHIFT |
+ PL080_CONTROL_PROT_BUFF | PL080_CONTROL_PROT_CACHE |
+ PL080_CONTROL_PROT_SYS),
+ },
+ .lli_buses = PL08X_AHB1,
+ .mem_buses = PL08X_AHB1,
+ .get_xfer_signal = pl08x_get_xfer_signal,
+ .put_xfer_signal = pl08x_put_xfer_signal,
+ .slave_channels = s3c64xx_dma1_info,
+ .num_slave_channels = ARRAY_SIZE(s3c64xx_dma1_info),
+};
+
+static AMBA_AHB_DEVICE(s3c64xx_dma1, "dma-pl080s.1", 0,
+ 0x75100000, {IRQ_DMA1}, &s3c64xx_dma1_plat_data);
+
+static int __init s3c64xx_pl080_init(void)
+{
+ /* Set all DMA configuration to be DMA, not SDMA */
+ writel(0xffffff, S3C64XX_SDMA_SEL);
+
+ if (of_have_populated_dt())
+ return 0;
+
+ amba_device_register(&s3c64xx_dma0_device, &iomem_resource);
+ amba_device_register(&s3c64xx_dma1_device, &iomem_resource);
+
+ return 0;
+}
+arch_initcall(s3c64xx_pl080_init);
diff --git a/arch/arm/mach-s3c64xx/pm.c b/arch/arm/mach-s3c64xx/pm.c
index 8cdb824a3b4..b5a66986a52 100644
--- a/arch/arm/mach-s3c64xx/pm.c
+++ b/arch/arm/mach-s3c64xx/pm.c
@@ -28,6 +28,7 @@
#include <mach/regs-gpio.h>
#include <mach/regs-clock.h>
+#include <mach/gpio-samsung.h>
#include "regs-gpio-memport.h"
#include "regs-modem.h"
diff --git a/arch/arm/mach-s3c64xx/setup-fb-24bpp.c b/arch/arm/mach-s3c64xx/setup-fb-24bpp.c
index 2cf80026c58..9d17bff12d4 100644
--- a/arch/arm/mach-s3c64xx/setup-fb-24bpp.c
+++ b/arch/arm/mach-s3c64xx/setup-fb-24bpp.c
@@ -19,6 +19,7 @@
#include <plat/fb.h>
#include <plat/gpio-cfg.h>
+#include <mach/gpio-samsung.h>
void s3c64xx_fb_gpio_setup_24bpp(void)
{
diff --git a/arch/arm/mach-s3c64xx/setup-i2c0.c b/arch/arm/mach-s3c64xx/setup-i2c0.c
index 40666ba8d60..4b8c1cfdd1f 100644
--- a/arch/arm/mach-s3c64xx/setup-i2c0.c
+++ b/arch/arm/mach-s3c64xx/setup-i2c0.c
@@ -20,6 +20,7 @@ struct platform_device; /* don't need the contents */
#include <linux/platform_data/i2c-s3c2410.h>
#include <plat/gpio-cfg.h>
+#include <mach/gpio-samsung.h>
void s3c_i2c0_cfg_gpio(struct platform_device *dev)
{
diff --git a/arch/arm/mach-s3c64xx/setup-i2c1.c b/arch/arm/mach-s3c64xx/setup-i2c1.c
index 3fdb24c4e62..cd1df71ee13 100644
--- a/arch/arm/mach-s3c64xx/setup-i2c1.c
+++ b/arch/arm/mach-s3c64xx/setup-i2c1.c
@@ -20,6 +20,7 @@ struct platform_device; /* don't need the contents */
#include <linux/platform_data/i2c-s3c2410.h>
#include <plat/gpio-cfg.h>
+#include <mach/gpio-samsung.h>
void s3c_i2c1_cfg_gpio(struct platform_device *dev)
{
diff --git a/arch/arm/mach-s3c64xx/setup-ide.c b/arch/arm/mach-s3c64xx/setup-ide.c
index 648d8b85bf6..689fb72e715 100644
--- a/arch/arm/mach-s3c64xx/setup-ide.c
+++ b/arch/arm/mach-s3c64xx/setup-ide.c
@@ -17,6 +17,7 @@
#include <mach/map.h>
#include <mach/regs-clock.h>
#include <plat/gpio-cfg.h>
+#include <mach/gpio-samsung.h>
#include <linux/platform_data/ata-samsung_cf.h>
void s3c64xx_ide_setup_gpio(void)
diff --git a/arch/arm/mach-s3c64xx/setup-keypad.c b/arch/arm/mach-s3c64xx/setup-keypad.c
index 1d4d0ee9e87..6ad9a89dfdd 100644
--- a/arch/arm/mach-s3c64xx/setup-keypad.c
+++ b/arch/arm/mach-s3c64xx/setup-keypad.c
@@ -13,6 +13,7 @@
#include <linux/gpio.h>
#include <plat/gpio-cfg.h>
#include <plat/keypad.h>
+#include <mach/gpio-samsung.h>
void samsung_keypad_cfg_gpio(unsigned int rows, unsigned int cols)
{
diff --git a/arch/arm/mach-s3c64xx/setup-sdhci-gpio.c b/arch/arm/mach-s3c64xx/setup-sdhci-gpio.c
index 6eac071afae..f426b7a16c1 100644
--- a/arch/arm/mach-s3c64xx/setup-sdhci-gpio.c
+++ b/arch/arm/mach-s3c64xx/setup-sdhci-gpio.c
@@ -20,6 +20,7 @@
#include <plat/gpio-cfg.h>
#include <plat/sdhci.h>
+#include <mach/gpio-samsung.h>
void s3c64xx_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width)
{
diff --git a/arch/arm/mach-s3c64xx/setup-spi.c b/arch/arm/mach-s3c64xx/setup-spi.c
index 4dc53450d71..5fd1a315c90 100644
--- a/arch/arm/mach-s3c64xx/setup-spi.c
+++ b/arch/arm/mach-s3c64xx/setup-spi.c
@@ -10,6 +10,7 @@
#include <linux/gpio.h>
#include <plat/gpio-cfg.h>
+#include <mach/gpio-samsung.h>
#ifdef CONFIG_S3C64XX_DEV_SPI0
int s3c64xx_spi0_cfg_gpio(void)
diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c
index 958e3cbf0ac..8ea87bd45c3 100644
--- a/arch/arm/mach-shmobile/board-armadillo800eva.c
+++ b/arch/arm/mach-shmobile/board-armadillo800eva.c
@@ -483,7 +483,7 @@ static struct platform_device lcdc0_device = {
.id = 0,
.dev = {
.platform_data = &lcdc0_info,
- .coherent_dma_mask = ~0,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
},
};
@@ -580,7 +580,7 @@ static struct platform_device hdmi_lcdc_device = {
.id = 1,
.dev = {
.platform_data = &hdmi_lcdc_info,
- .coherent_dma_mask = ~0,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
},
};
@@ -614,6 +614,11 @@ static struct regulator_consumer_supply fixed3v3_power_consumers[] = {
REGULATOR_SUPPLY("vqmmc", "sh_mmcif"),
};
+/* Fixed 3.3V regulator used by LCD backlight */
+static struct regulator_consumer_supply fixed5v0_power_consumers[] = {
+ REGULATOR_SUPPLY("power", "pwm-backlight.0"),
+};
+
/* Fixed 3.3V regulator to be used by SDHI0 */
static struct regulator_consumer_supply vcc_sdhi0_consumers[] = {
REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
@@ -1196,6 +1201,8 @@ static void __init eva_init(void)
regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
+ regulator_register_always_on(3, "fixed-5.0V", fixed5v0_power_consumers,
+ ARRAY_SIZE(fixed5v0_power_consumers), 5000000);
pinctrl_register_mappings(eva_pinctrl_map, ARRAY_SIZE(eva_pinctrl_map));
pwm_add_table(pwm_lookup, ARRAY_SIZE(pwm_lookup));
diff --git a/arch/arm/mach-shmobile/board-bockw.c b/arch/arm/mach-shmobile/board-bockw.c
index 38611526fe9..3c4995aebd2 100644
--- a/arch/arm/mach-shmobile/board-bockw.c
+++ b/arch/arm/mach-shmobile/board-bockw.c
@@ -679,7 +679,7 @@ static void __init bockw_init(void)
.id = i,
.data = &rsnd_card_info[i],
.size_data = sizeof(struct asoc_simple_card_info),
- .dma_mask = ~0,
+ .dma_mask = DMA_BIT_MASK(32),
};
platform_device_register_full(&cardinfo);
diff --git a/arch/arm/mach-shmobile/board-kzm9g.c b/arch/arm/mach-shmobile/board-kzm9g.c
index fe689b7fdc9..bc40b853ffd 100644
--- a/arch/arm/mach-shmobile/board-kzm9g.c
+++ b/arch/arm/mach-shmobile/board-kzm9g.c
@@ -334,7 +334,7 @@ static struct platform_device lcdc_device = {
.resource = lcdc_resources,
.dev = {
.platform_data = &lcdc_info,
- .coherent_dma_mask = ~0,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
},
};
diff --git a/arch/arm/mach-shmobile/board-lager.c b/arch/arm/mach-shmobile/board-lager.c
index a8d3ce646fb..e0406fd3739 100644
--- a/arch/arm/mach-shmobile/board-lager.c
+++ b/arch/arm/mach-shmobile/board-lager.c
@@ -245,7 +245,9 @@ static void __init lager_init(void)
{
lager_add_standard_devices();
- phy_register_fixup_for_id("r8a7790-ether-ff:01", lager_ksz8041_fixup);
+ if (IS_ENABLED(CONFIG_PHYLIB))
+ phy_register_fixup_for_id("r8a7790-ether-ff:01",
+ lager_ksz8041_fixup);
}
static const char * const lager_boards_compat_dt[] __initconst = {
diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c
index af06753eb80..e721d2cccea 100644
--- a/arch/arm/mach-shmobile/board-mackerel.c
+++ b/arch/arm/mach-shmobile/board-mackerel.c
@@ -409,7 +409,7 @@ static struct platform_device lcdc_device = {
.resource = lcdc_resources,
.dev = {
.platform_data = &lcdc_info,
- .coherent_dma_mask = ~0,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
},
};
@@ -499,7 +499,7 @@ static struct platform_device hdmi_lcdc_device = {
.id = 1,
.dev = {
.platform_data = &hdmi_lcdc_info,
- .coherent_dma_mask = ~0,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
},
};
diff --git a/arch/arm/mach-socfpga/Kconfig b/arch/arm/mach-socfpga/Kconfig
index 037100a1563..aee77f06f88 100644
--- a/arch/arm/mach-socfpga/Kconfig
+++ b/arch/arm/mach-socfpga/Kconfig
@@ -10,6 +10,7 @@ config ARCH_SOCFPGA
select GENERIC_CLOCKEVENTS
select GPIO_PL061 if GPIOLIB
select HAVE_ARM_SCU
+ select HAVE_ARM_TWD if SMP
select HAVE_SMP
select MFD_SYSCON
select SPARSE_IRQ
diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig
index c9e72c89066..bce0d4277f7 100644
--- a/arch/arm/mach-sunxi/Kconfig
+++ b/arch/arm/mach-sunxi/Kconfig
@@ -12,3 +12,4 @@ config ARCH_SUNXI
select PINCTRL_SUNXI
select SPARSE_IRQ
select SUN4I_TIMER
+ select SUN5I_HSTIMER
diff --git a/arch/arm/mach-tegra/board-paz00.c b/arch/arm/mach-tegra/board-paz00.c
index 06f024070da..e4dec9fcb08 100644
--- a/arch/arm/mach-tegra/board-paz00.c
+++ b/arch/arm/mach-tegra/board-paz00.c
@@ -18,6 +18,7 @@
*/
#include <linux/platform_device.h>
+#include <linux/gpio/driver.h>
#include <linux/rfkill-gpio.h>
#include "board.h"
@@ -36,7 +37,17 @@ static struct platform_device wifi_rfkill_device = {
},
};
+static struct gpiod_lookup_table wifi_gpio_lookup = {
+ .dev_id = "rfkill_gpio",
+ .table = {
+ GPIO_LOOKUP_IDX("tegra-gpio", 25, NULL, 0, 0),
+ GPIO_LOOKUP_IDX("tegra-gpio", 85, NULL, 1, 0),
+ { },
+ },
+};
+
void __init tegra_paz00_wifikill_init(void)
{
+ gpiod_add_lookup_table(&wifi_gpio_lookup);
platform_device_register(&wifi_rfkill_device);
}
diff --git a/arch/arm/mach-tegra/fuse.c b/arch/arm/mach-tegra/fuse.c
index 9a4e910c379..3a9c1f1c219 100644
--- a/arch/arm/mach-tegra/fuse.c
+++ b/arch/arm/mach-tegra/fuse.c
@@ -198,10 +198,12 @@ void __init tegra_init_fuse(void)
switch (tegra_chip_id) {
case TEGRA20:
tegra20_fuse_init_randomness();
+ break;
case TEGRA30:
case TEGRA114:
default:
tegra30_fuse_init_randomness();
+ break;
}
pr_info("Tegra Revision: %s SKU: %d CPU Process: %d Core Process: %d\n",
diff --git a/arch/arm/mach-ux500/board-mop500-audio.c b/arch/arm/mach-ux500/board-mop500-audio.c
index 154e15f5970..43d6cb8c381 100644
--- a/arch/arm/mach-ux500/board-mop500-audio.c
+++ b/arch/arm/mach-ux500/board-mop500-audio.c
@@ -31,7 +31,7 @@ static struct stedma40_chan_cfg msp0_dma_tx = {
};
struct msp_i2s_platform_data msp0_platform_data = {
- .id = MSP_I2S_0,
+ .id = 0,
.msp_i2s_dma_rx = &msp0_dma_rx,
.msp_i2s_dma_tx = &msp0_dma_tx,
};
@@ -49,7 +49,7 @@ static struct stedma40_chan_cfg msp1_dma_tx = {
};
struct msp_i2s_platform_data msp1_platform_data = {
- .id = MSP_I2S_1,
+ .id = 1,
.msp_i2s_dma_rx = NULL,
.msp_i2s_dma_tx = &msp1_dma_tx,
};
@@ -69,13 +69,13 @@ static struct stedma40_chan_cfg msp2_dma_tx = {
};
struct msp_i2s_platform_data msp2_platform_data = {
- .id = MSP_I2S_2,
+ .id = 2,
.msp_i2s_dma_rx = &msp2_dma_rx,
.msp_i2s_dma_tx = &msp2_dma_tx,
};
struct msp_i2s_platform_data msp3_platform_data = {
- .id = MSP_I2S_3,
+ .id = 3,
.msp_i2s_dma_rx = &msp1_dma_rx,
.msp_i2s_dma_tx = NULL,
};
diff --git a/arch/arm/mach-ux500/cpu-db8500.c b/arch/arm/mach-ux500/cpu-db8500.c
index 2e85c1e7253..12c7e5c03ea 100644
--- a/arch/arm/mach-ux500/cpu-db8500.c
+++ b/arch/arm/mach-ux500/cpu-db8500.c
@@ -140,6 +140,10 @@ static struct of_dev_auxdata u8500_auxdata_lookup[] __initdata = {
/* Requires call-back bindings. */
OF_DEV_AUXDATA("arm,cortex-a9-pmu", 0, "arm-pmu", &db8500_pmu_platdata),
/* Requires DMA bindings. */
+ OF_DEV_AUXDATA("arm,pl18x", 0x80126000, "sdi0", &mop500_sdi0_data),
+ OF_DEV_AUXDATA("arm,pl18x", 0x80118000, "sdi1", &mop500_sdi1_data),
+ OF_DEV_AUXDATA("arm,pl18x", 0x80005000, "sdi2", &mop500_sdi2_data),
+ OF_DEV_AUXDATA("arm,pl18x", 0x80114000, "sdi4", &mop500_sdi4_data),
OF_DEV_AUXDATA("stericsson,ux500-msp-i2s", 0x80123000,
"ux500-msp-i2s.0", &msp0_platform_data),
OF_DEV_AUXDATA("stericsson,ux500-msp-i2s", 0x80124000,
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 79f8b39801a..f61a5707823 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -9,6 +9,7 @@
*
* DMA uncached mapping support.
*/
+#include <linux/bootmem.h>
#include <linux/module.h>
#include <linux/mm.h>
#include <linux/gfp.h>
@@ -157,6 +158,44 @@ struct dma_map_ops arm_coherent_dma_ops = {
};
EXPORT_SYMBOL(arm_coherent_dma_ops);
+static int __dma_supported(struct device *dev, u64 mask, bool warn)
+{
+ unsigned long max_dma_pfn;
+
+ /*
+ * If the mask allows for more memory than we can address,
+ * and we actually have that much memory, then we must
+ * indicate that DMA to this device is not supported.
+ */
+ if (sizeof(mask) != sizeof(dma_addr_t) &&
+ mask > (dma_addr_t)~0 &&
+ dma_to_pfn(dev, ~0) < max_pfn) {
+ if (warn) {
+ dev_warn(dev, "Coherent DMA mask %#llx is larger than dma_addr_t allows\n",
+ mask);
+ dev_warn(dev, "Driver did not use or check the return value from dma_set_coherent_mask()?\n");
+ }
+ return 0;
+ }
+
+ max_dma_pfn = min(max_pfn, arm_dma_pfn_limit);
+
+ /*
+ * Translate the device's DMA mask to a PFN limit. This
+ * PFN number includes the page which we can DMA to.
+ */
+ if (dma_to_pfn(dev, mask) < max_dma_pfn) {
+ if (warn)
+ dev_warn(dev, "Coherent DMA mask %#llx (pfn %#lx-%#lx) covers a smaller range of system memory than the DMA zone pfn 0x0-%#lx\n",
+ mask,
+ dma_to_pfn(dev, 0), dma_to_pfn(dev, mask) + 1,
+ max_dma_pfn + 1);
+ return 0;
+ }
+
+ return 1;
+}
+
static u64 get_coherent_dma_mask(struct device *dev)
{
u64 mask = (u64)DMA_BIT_MASK(32);
@@ -173,32 +212,8 @@ static u64 get_coherent_dma_mask(struct device *dev)
return 0;
}
- /*
- * If the mask allows for more memory than we can address,
- * and we actually have that much memory, then fail the
- * allocation.
- */
- if (sizeof(mask) != sizeof(dma_addr_t) &&
- mask > (dma_addr_t)~0 &&
- dma_to_pfn(dev, ~0) > arm_dma_pfn_limit) {
- dev_warn(dev, "Coherent DMA mask %#llx is larger than dma_addr_t allows\n",
- mask);
- dev_warn(dev, "Driver did not use or check the return value from dma_set_coherent_mask()?\n");
- return 0;
- }
-
- /*
- * Now check that the mask, when translated to a PFN,
- * fits within the allowable addresses which we can
- * allocate.
- */
- if (dma_to_pfn(dev, mask) < arm_dma_pfn_limit) {
- dev_warn(dev, "Coherent DMA mask %#llx (pfn %#lx-%#lx) covers a smaller range of system memory than the DMA zone pfn 0x0-%#lx\n",
- mask,
- dma_to_pfn(dev, 0), dma_to_pfn(dev, mask) + 1,
- arm_dma_pfn_limit + 1);
+ if (!__dma_supported(dev, mask, true))
return 0;
- }
}
return mask;
@@ -1027,28 +1042,7 @@ void arm_dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg,
*/
int dma_supported(struct device *dev, u64 mask)
{
- unsigned long limit;
-
- /*
- * If the mask allows for more memory than we can address,
- * and we actually have that much memory, then we must
- * indicate that DMA to this device is not supported.
- */
- if (sizeof(mask) != sizeof(dma_addr_t) &&
- mask > (dma_addr_t)~0 &&
- dma_to_pfn(dev, ~0) > arm_dma_pfn_limit)
- return 0;
-
- /*
- * Translate the device's DMA mask to a PFN limit. This
- * PFN number includes the page which we can DMA to.
- */
- limit = dma_to_pfn(dev, mask);
-
- if (limit < arm_dma_pfn_limit)
- return 0;
-
- return 1;
+ return __dma_supported(dev, mask, false);
}
EXPORT_SYMBOL(dma_supported);
diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c
index 6d5ba9afb16..3387e60e4ea 100644
--- a/arch/arm/mm/flush.c
+++ b/arch/arm/mm/flush.c
@@ -175,16 +175,16 @@ void __flush_dcache_page(struct address_space *mapping, struct page *page)
unsigned long i;
if (cache_is_vipt_nonaliasing()) {
for (i = 0; i < (1 << compound_order(page)); i++) {
- void *addr = kmap_atomic(page);
+ void *addr = kmap_atomic(page + i);
__cpuc_flush_dcache_area(addr, PAGE_SIZE);
kunmap_atomic(addr);
}
} else {
for (i = 0; i < (1 << compound_order(page)); i++) {
- void *addr = kmap_high_get(page);
+ void *addr = kmap_high_get(page + i);
if (addr) {
__cpuc_flush_dcache_area(addr, PAGE_SIZE);
- kunmap_high(page);
+ kunmap_high(page + i);
}
}
}
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 3e8f106ee5f..11eb8add782 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -92,9 +92,6 @@ void show_mem(unsigned int filter)
printk("Mem-info:\n");
show_free_areas(filter);
- if (filter & SHOW_MEM_FILTER_PAGE_COUNT)
- return;
-
for_each_bank (i, mi) {
struct membank *bank = &mi->bank[i];
unsigned int pfn1, pfn2;
@@ -461,7 +458,7 @@ free_memmap(unsigned long start_pfn, unsigned long end_pfn)
* free the section of the memmap array.
*/
if (pg < pgend)
- free_bootmem(pg, pgend - pg);
+ memblock_free_early(pg, pgend - pg);
}
/*
diff --git a/arch/arm/mm/mmap.c b/arch/arm/mm/mmap.c
index d27158c38eb..5e85ed37136 100644
--- a/arch/arm/mm/mmap.c
+++ b/arch/arm/mm/mmap.c
@@ -146,7 +146,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
info.flags = VM_UNMAPPED_AREA_TOPDOWN;
info.length = len;
- info.low_limit = PAGE_SIZE;
+ info.low_limit = FIRST_USER_ADDRESS;
info.high_limit = mm->mmap_base;
info.align_mask = do_align ? (PAGE_MASK & (SHMLBA - 1)) : 0;
info.align_offset = pgoff << PAGE_SHIFT;
diff --git a/arch/arm/mm/pgd.c b/arch/arm/mm/pgd.c
index 0acb089d0f7..1046b373d1a 100644
--- a/arch/arm/mm/pgd.c
+++ b/arch/arm/mm/pgd.c
@@ -87,7 +87,8 @@ pgd_t *pgd_alloc(struct mm_struct *mm)
init_pud = pud_offset(init_pgd, 0);
init_pmd = pmd_offset(init_pud, 0);
init_pte = pte_offset_map(init_pmd, 0);
- set_pte_ext(new_pte, *init_pte, 0);
+ set_pte_ext(new_pte + 0, init_pte[0], 0);
+ set_pte_ext(new_pte + 1, init_pte[1], 0);
pte_unmap(init_pte);
pte_unmap(new_pte);
}
diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c
index 9ed155ad0f9..271b5e97156 100644
--- a/arch/arm/net/bpf_jit_32.c
+++ b/arch/arm/net/bpf_jit_32.c
@@ -641,10 +641,10 @@ load_ind:
emit(ARM_MUL(r_A, r_A, r_X), ctx);
break;
case BPF_S_ALU_DIV_K:
- /* current k == reciprocal_value(userspace k) */
+ if (k == 1)
+ break;
emit_mov_i(r_scratch, k, ctx);
- /* A = top 32 bits of the product */
- emit(ARM_UMULL(r_scratch, r_A, r_A, r_scratch), ctx);
+ emit_udiv(r_A, r_A, r_scratch, ctx);
break;
case BPF_S_ALU_DIV_X:
update_on_xread(ctx);
diff --git a/arch/arm/plat-omap/include/plat/dmtimer.h b/arch/arm/plat-omap/include/plat/dmtimer.h
index fb92abb9162..2861b155485 100644
--- a/arch/arm/plat-omap/include/plat/dmtimer.h
+++ b/arch/arm/plat-omap/include/plat/dmtimer.h
@@ -336,8 +336,11 @@ static inline void __omap_dm_timer_enable_posted(struct omap_dm_timer *timer)
if (timer->posted)
return;
- if (timer->errata & OMAP_TIMER_ERRATA_I103_I767)
+ if (timer->errata & OMAP_TIMER_ERRATA_I103_I767) {
+ timer->posted = OMAP_TIMER_NONPOSTED;
+ __omap_dm_timer_write(timer, OMAP_TIMER_IF_CTRL_REG, 0, 0);
return;
+ }
__omap_dm_timer_write(timer, OMAP_TIMER_IF_CTRL_REG,
OMAP_TIMER_CTRL_POSTED, 0);
diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c
index 99a3590f034..ac07e871f6a 100644
--- a/arch/arm/plat-samsung/devs.c
+++ b/arch/arm/plat-samsung/devs.c
@@ -1468,6 +1468,8 @@ void __init s3c64xx_spi0_set_platdata(int (*cfg_gpio)(void), int src_clk_nr,
pd.cfg_gpio = (cfg_gpio) ? cfg_gpio : s3c64xx_spi0_cfg_gpio;
#if defined(CONFIG_PL330_DMA)
pd.filter = pl330_filter;
+#elif defined(CONFIG_S3C64XX_PL080)
+ pd.filter = pl08x_filter_id;
#elif defined(CONFIG_S3C24XX_DMAC)
pd.filter = s3c24xx_dma_filter;
#endif
@@ -1509,8 +1511,10 @@ void __init s3c64xx_spi1_set_platdata(int (*cfg_gpio)(void), int src_clk_nr,
pd.num_cs = num_cs;
pd.src_clk_nr = src_clk_nr;
pd.cfg_gpio = (cfg_gpio) ? cfg_gpio : s3c64xx_spi1_cfg_gpio;
-#ifdef CONFIG_PL330_DMA
+#if defined(CONFIG_PL330_DMA)
pd.filter = pl330_filter;
+#elif defined(CONFIG_S3C64XX_PL080)
+ pd.filter = pl08x_filter_id;
#endif
s3c_set_platdata(&pd, sizeof(pd), &s3c64xx_device_spi1);
@@ -1550,8 +1554,10 @@ void __init s3c64xx_spi2_set_platdata(int (*cfg_gpio)(void), int src_clk_nr,
pd.num_cs = num_cs;
pd.src_clk_nr = src_clk_nr;
pd.cfg_gpio = (cfg_gpio) ? cfg_gpio : s3c64xx_spi2_cfg_gpio;
-#ifdef CONFIG_PL330_DMA
+#if defined(CONFIG_PL330_DMA)
pd.filter = pl330_filter;
+#elif defined(CONFIG_S3C64XX_PL080)
+ pd.filter = pl08x_filter_id;
#endif
s3c_set_platdata(&pd, sizeof(pd), &s3c64xx_device_spi2);
diff --git a/arch/arm/plat-samsung/dma-ops.c b/arch/arm/plat-samsung/dma-ops.c
index ec0d731b0e7..886326ee6f6 100644
--- a/arch/arm/plat-samsung/dma-ops.c
+++ b/arch/arm/plat-samsung/dma-ops.c
@@ -18,6 +18,12 @@
#include <mach/dma.h>
+#if defined(CONFIG_PL330_DMA)
+#define dma_filter pl330_filter
+#elif defined(CONFIG_S3C64XX_PL080)
+#define dma_filter pl08x_filter_id
+#endif
+
static unsigned samsung_dmadev_request(enum dma_ch dma_ch,
struct samsung_dma_req *param,
struct device *dev, char *ch_name)
@@ -30,7 +36,7 @@ static unsigned samsung_dmadev_request(enum dma_ch dma_ch,
if (dev->of_node)
return (unsigned)dma_request_slave_channel(dev, ch_name);
else
- return (unsigned)dma_request_channel(mask, pl330_filter,
+ return (unsigned)dma_request_channel(mask, dma_filter,
(void *)dma_ch);
}
diff --git a/arch/arm/plat-samsung/include/plat/regs-ata.h b/arch/arm/plat-samsung/include/plat/regs-ata.h
deleted file mode 100644
index f5df92fdae2..00000000000
--- a/arch/arm/plat-samsung/include/plat/regs-ata.h
+++ /dev/null
@@ -1,56 +0,0 @@
-/* linux/arch/arm/plat-samsung/include/plat/regs-ata.h
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- * http://www.samsung.com
- *
- * Samsung CF-ATA register definitions
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#ifndef __ASM_PLAT_REGS_ATA_H
-#define __ASM_PLAT_REGS_ATA_H __FILE__
-
-#define S3C_CFATA_REG(x) (x)
-
-#define S3C_CFATA_MUX S3C_CFATA_REG(0x0)
-
-#define S3C_ATA_CTRL S3C_CFATA_REG(0x0)
-#define S3C_ATA_STATUS S3C_CFATA_REG(0x4)
-#define S3C_ATA_CMD S3C_CFATA_REG(0x8)
-#define S3C_ATA_SWRST S3C_CFATA_REG(0xc)
-#define S3C_ATA_IRQ S3C_CFATA_REG(0x10)
-#define S3C_ATA_IRQ_MSK S3C_CFATA_REG(0x14)
-#define S3C_ATA_CFG S3C_CFATA_REG(0x18)
-
-#define S3C_ATA_MDMA_TIME S3C_CFATA_REG(0x28)
-#define S3C_ATA_PIO_TIME S3C_CFATA_REG(0x2c)
-#define S3C_ATA_UDMA_TIME S3C_CFATA_REG(0x30)
-#define S3C_ATA_XFR_NUM S3C_CFATA_REG(0x34)
-#define S3C_ATA_XFR_CNT S3C_CFATA_REG(0x38)
-#define S3C_ATA_TBUF_START S3C_CFATA_REG(0x3c)
-#define S3C_ATA_TBUF_SIZE S3C_CFATA_REG(0x40)
-#define S3C_ATA_SBUF_START S3C_CFATA_REG(0x44)
-#define S3C_ATA_SBUF_SIZE S3C_CFATA_REG(0x48)
-#define S3C_ATA_CADR_TBUF S3C_CFATA_REG(0x4c)
-#define S3C_ATA_CADR_SBUF S3C_CFATA_REG(0x50)
-#define S3C_ATA_PIO_DTR S3C_CFATA_REG(0x54)
-#define S3C_ATA_PIO_FED S3C_CFATA_REG(0x58)
-#define S3C_ATA_PIO_SCR S3C_CFATA_REG(0x5c)
-#define S3C_ATA_PIO_LLR S3C_CFATA_REG(0x60)
-#define S3C_ATA_PIO_LMR S3C_CFATA_REG(0x64)
-#define S3C_ATA_PIO_LHR S3C_CFATA_REG(0x68)
-#define S3C_ATA_PIO_DVR S3C_CFATA_REG(0x6c)
-#define S3C_ATA_PIO_CSD S3C_CFATA_REG(0x70)
-#define S3C_ATA_PIO_DAD S3C_CFATA_REG(0x74)
-#define S3C_ATA_PIO_READY S3C_CFATA_REG(0x78)
-#define S3C_ATA_PIO_RDATA S3C_CFATA_REG(0x7c)
-
-#define S3C_CFATA_MUX_TRUEIDE 0x01
-
-#define S3C_ATA_CFG_SWAP 0x40
-#define S3C_ATA_CFG_IORDYEN 0x02
-
-#endif /* __ASM_PLAT_REGS_ATA_H */
diff --git a/arch/arm/plat-samsung/pm-gpio.c b/arch/arm/plat-samsung/pm-gpio.c
index a8de3cfe2ee..dd4c15d0d68 100644
--- a/arch/arm/plat-samsung/pm-gpio.c
+++ b/arch/arm/plat-samsung/pm-gpio.c
@@ -19,6 +19,10 @@
#include <linux/io.h>
#include <linux/gpio.h>
+#if defined(CONFIG_ARCH_S3C24XX) || defined(CONFIG_ARCH_S3C64XX)
+#include <mach/gpio-samsung.h>
+#endif
+
#include <plat/gpio-core.h>
#include <plat/pm.h>
diff --git a/arch/arm/plat-samsung/setup-camif.c b/arch/arm/plat-samsung/setup-camif.c
index e01bf760af2..72d8edb8927 100644
--- a/arch/arm/plat-samsung/setup-camif.c
+++ b/arch/arm/plat-samsung/setup-camif.c
@@ -10,6 +10,7 @@
#include <linux/gpio.h>
#include <plat/gpio-cfg.h>
+#include <mach/gpio-samsung.h>
/* Number of camera port pins, without FIELD */
#define S3C_CAMIF_NUM_GPIOS 13
diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c
index 83e4f959ee4..85501238b42 100644
--- a/arch/arm/xen/enlighten.c
+++ b/arch/arm/xen/enlighten.c
@@ -96,7 +96,7 @@ static int remap_pte_fn(pte_t *ptep, pgtable_t token, unsigned long addr,
struct remap_data *info = data;
struct page *page = info->pages[info->index++];
unsigned long pfn = page_to_pfn(page);
- pte_t pte = pfn_pte(pfn, info->prot);
+ pte_t pte = pte_mkspecial(pfn_pte(pfn, info->prot));
if (map_foreign_page(pfn, info->fgmfn, info->domid))
return -EFAULT;
@@ -224,10 +224,10 @@ static int __init xen_guest_init(void)
}
if (of_address_to_resource(node, GRANT_TABLE_PHYSADDR, &res))
return 0;
- xen_hvm_resume_frames = res.start >> PAGE_SHIFT;
+ xen_hvm_resume_frames = res.start;
xen_events_irq = irq_of_parse_and_map(node, 0);
pr_info("Xen %s support found, events_irq=%d gnttab_frame_pfn=%lx\n",
- version, xen_events_irq, xen_hvm_resume_frames);
+ version, xen_events_irq, (xen_hvm_resume_frames >> PAGE_SHIFT));
xen_domain_type = XEN_HVM_DOMAIN;
xen_setup_features();
diff --git a/arch/arm/xen/p2m.c b/arch/arm/xen/p2m.c
index 23732cdff55..b31ee1b275b 100644
--- a/arch/arm/xen/p2m.c
+++ b/arch/arm/xen/p2m.c
@@ -25,8 +25,9 @@ struct xen_p2m_entry {
struct rb_node rbnode_phys;
};
-rwlock_t p2m_lock;
+static rwlock_t p2m_lock;
struct rb_root phys_to_mach = RB_ROOT;
+EXPORT_SYMBOL_GPL(phys_to_mach);
static struct rb_root mach_to_phys = RB_ROOT;
static int xen_add_phys_to_mach_entry(struct xen_p2m_entry *new)
@@ -200,7 +201,7 @@ bool __set_phys_to_machine(unsigned long pfn, unsigned long mfn)
}
EXPORT_SYMBOL_GPL(__set_phys_to_machine);
-int p2m_init(void)
+static int p2m_init(void)
{
rwlock_init(&p2m_lock);
return 0;
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 88c8b6c1341..dd4327f09ba 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -2,6 +2,7 @@ config ARM64
def_bool y
select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
select ARCH_USE_CMPXCHG_LOCKREF
+ select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
select ARCH_WANT_OPTIONAL_GPIOLIB
select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
select ARCH_WANT_FRAME_POINTERS
@@ -11,19 +12,27 @@ config ARM64
select BUILDTIME_EXTABLE_SORT
select CLONE_BACKWARDS
select COMMON_CLK
+ select CPU_PM if (SUSPEND || CPU_IDLE)
+ select DCACHE_WORD_ACCESS
select GENERIC_CLOCKEVENTS
+ select GENERIC_CLOCKEVENTS_BROADCAST if SMP
select GENERIC_IOMAP
select GENERIC_IRQ_PROBE
select GENERIC_IRQ_SHOW
select GENERIC_SCHED_CLOCK
select GENERIC_SMP_IDLE_THREAD
+ select GENERIC_STRNCPY_FROM_USER
+ select GENERIC_STRNLEN_USER
select GENERIC_TIME_VSYSCALL
select HARDIRQS_SW_RESEND
+ select HAVE_ARCH_JUMP_LABEL
select HAVE_ARCH_TRACEHOOK
select HAVE_DEBUG_BUGVERBOSE
select HAVE_DEBUG_KMEMLEAK
select HAVE_DMA_API_DEBUG
select HAVE_DMA_ATTRS
+ select HAVE_DMA_CONTIGUOUS
+ select HAVE_EFFICIENT_UNALIGNED_ACCESS
select HAVE_GENERIC_DMA_COHERENT
select HAVE_HW_BREAKPOINT if PERF_EVENTS
select HAVE_MEMBLOCK
@@ -159,8 +168,7 @@ config NR_CPUS
range 2 32
depends on SMP
# These have to remain sorted largest to smallest
- default "8" if ARCH_XGENE
- default "4"
+ default "8"
config HOTPLUG_CPU
bool "Support for hot-pluggable CPUs"
@@ -276,6 +284,24 @@ config SYSVIPC_COMPAT
endmenu
+menu "Power management options"
+
+source "kernel/power/Kconfig"
+
+config ARCH_SUSPEND_POSSIBLE
+ def_bool y
+
+config ARM64_CPU_SUSPEND
+ def_bool PM_SLEEP
+
+endmenu
+
+menu "CPU Power Management"
+
+source "drivers/cpuidle/Kconfig"
+
+endmenu
+
source "net/Kconfig"
source "drivers/Kconfig"
diff --git a/arch/arm64/boot/dts/foundation-v8.dts b/arch/arm64/boot/dts/foundation-v8.dts
index 519c4b2c068..4a060906809 100644
--- a/arch/arm64/boot/dts/foundation-v8.dts
+++ b/arch/arm64/boot/dts/foundation-v8.dts
@@ -224,7 +224,7 @@
virtio_block@0130000 {
compatible = "virtio,mmio";
- reg = <0x130000 0x1000>;
+ reg = <0x130000 0x200>;
interrupts = <42>;
};
};
diff --git a/arch/arm64/boot/dts/rtsm_ve-motherboard.dtsi b/arch/arm64/boot/dts/rtsm_ve-motherboard.dtsi
index b45e5f39f57..2f2ecd21736 100644
--- a/arch/arm64/boot/dts/rtsm_ve-motherboard.dtsi
+++ b/arch/arm64/boot/dts/rtsm_ve-motherboard.dtsi
@@ -183,6 +183,12 @@
clocks = <&v2m_oscclk1>, <&v2m_clk24mhz>;
clock-names = "clcdclk", "apb_pclk";
};
+
+ virtio_block@0130000 {
+ compatible = "virtio,mmio";
+ reg = <0x130000 0x200>;
+ interrupts = <42>;
+ };
};
v2m_fixed_3v3: fixedregulator@0 {
diff --git a/arch/arm64/include/asm/Kbuild b/arch/arm64/include/asm/Kbuild
index 519f89f5b6a..d0ff25de67c 100644
--- a/arch/arm64/include/asm/Kbuild
+++ b/arch/arm64/include/asm/Kbuild
@@ -26,7 +26,6 @@ generic-y += mman.h
generic-y += msgbuf.h
generic-y += mutex.h
generic-y += pci.h
-generic-y += percpu.h
generic-y += poll.h
generic-y += posix_types.h
generic-y += resource.h
diff --git a/arch/arm64/include/asm/barrier.h b/arch/arm64/include/asm/barrier.h
index d4a63338a53..78e20ba8806 100644
--- a/arch/arm64/include/asm/barrier.h
+++ b/arch/arm64/include/asm/barrier.h
@@ -35,10 +35,60 @@
#define smp_mb() barrier()
#define smp_rmb() barrier()
#define smp_wmb() barrier()
+
+#define smp_store_release(p, v) \
+do { \
+ compiletime_assert_atomic_type(*p); \
+ smp_mb(); \
+ ACCESS_ONCE(*p) = (v); \
+} while (0)
+
+#define smp_load_acquire(p) \
+({ \
+ typeof(*p) ___p1 = ACCESS_ONCE(*p); \
+ compiletime_assert_atomic_type(*p); \
+ smp_mb(); \
+ ___p1; \
+})
+
#else
+
#define smp_mb() asm volatile("dmb ish" : : : "memory")
#define smp_rmb() asm volatile("dmb ishld" : : : "memory")
#define smp_wmb() asm volatile("dmb ishst" : : : "memory")
+
+#define smp_store_release(p, v) \
+do { \
+ compiletime_assert_atomic_type(*p); \
+ switch (sizeof(*p)) { \
+ case 4: \
+ asm volatile ("stlr %w1, %0" \
+ : "=Q" (*p) : "r" (v) : "memory"); \
+ break; \
+ case 8: \
+ asm volatile ("stlr %1, %0" \
+ : "=Q" (*p) : "r" (v) : "memory"); \
+ break; \
+ } \
+} while (0)
+
+#define smp_load_acquire(p) \
+({ \
+ typeof(*p) ___p1; \
+ compiletime_assert_atomic_type(*p); \
+ switch (sizeof(*p)) { \
+ case 4: \
+ asm volatile ("ldar %w0, %1" \
+ : "=r" (___p1) : "Q" (*p) : "memory"); \
+ break; \
+ case 8: \
+ asm volatile ("ldar %0, %1" \
+ : "=r" (___p1) : "Q" (*p) : "memory"); \
+ break; \
+ } \
+ ___p1; \
+})
+
#endif
#define read_barrier_depends() do { } while(0)
diff --git a/arch/arm64/include/asm/cmpxchg.h b/arch/arm64/include/asm/cmpxchg.h
index 3914c0dcd09..56166d7f4a2 100644
--- a/arch/arm64/include/asm/cmpxchg.h
+++ b/arch/arm64/include/asm/cmpxchg.h
@@ -158,17 +158,23 @@ static inline unsigned long __cmpxchg_mb(volatile void *ptr, unsigned long old,
return ret;
}
-#define cmpxchg(ptr,o,n) \
- ((__typeof__(*(ptr)))__cmpxchg_mb((ptr), \
- (unsigned long)(o), \
- (unsigned long)(n), \
- sizeof(*(ptr))))
-
-#define cmpxchg_local(ptr,o,n) \
- ((__typeof__(*(ptr)))__cmpxchg((ptr), \
- (unsigned long)(o), \
- (unsigned long)(n), \
- sizeof(*(ptr))))
+#define cmpxchg(ptr, o, n) \
+({ \
+ __typeof__(*(ptr)) __ret; \
+ __ret = (__typeof__(*(ptr))) \
+ __cmpxchg_mb((ptr), (unsigned long)(o), (unsigned long)(n), \
+ sizeof(*(ptr))); \
+ __ret; \
+})
+
+#define cmpxchg_local(ptr, o, n) \
+({ \
+ __typeof__(*(ptr)) __ret; \
+ __ret = (__typeof__(*(ptr))) \
+ __cmpxchg((ptr), (unsigned long)(o), \
+ (unsigned long)(n), sizeof(*(ptr))); \
+ __ret; \
+})
#define cmpxchg64(ptr,o,n) cmpxchg((ptr),(o),(n))
#define cmpxchg64_local(ptr,o,n) cmpxchg_local((ptr),(o),(n))
diff --git a/arch/arm64/include/asm/cpu_ops.h b/arch/arm64/include/asm/cpu_ops.h
index c4cdb5e5b73..15241307650 100644
--- a/arch/arm64/include/asm/cpu_ops.h
+++ b/arch/arm64/include/asm/cpu_ops.h
@@ -39,6 +39,9 @@ struct device_node;
* from the cpu to be killed.
* @cpu_die: Makes a cpu leave the kernel. Must not fail. Called from the
* cpu being killed.
+ * @cpu_suspend: Suspends a cpu and saves the required context. May fail owing
+ * to wrong parameters or error conditions. Called from the
+ * CPU being suspended. Must be called with IRQs disabled.
*/
struct cpu_operations {
const char *name;
@@ -50,6 +53,9 @@ struct cpu_operations {
int (*cpu_disable)(unsigned int cpu);
void (*cpu_die)(unsigned int cpu);
#endif
+#ifdef CONFIG_ARM64_CPU_SUSPEND
+ int (*cpu_suspend)(unsigned long);
+#endif
};
extern const struct cpu_operations *cpu_ops[NR_CPUS];
diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h
index 5fe138e0b82..c404fb0df3a 100644
--- a/arch/arm64/include/asm/cputype.h
+++ b/arch/arm64/include/asm/cputype.h
@@ -16,23 +16,23 @@
#ifndef __ASM_CPUTYPE_H
#define __ASM_CPUTYPE_H
-#define ID_MIDR_EL1 "midr_el1"
-#define ID_MPIDR_EL1 "mpidr_el1"
-#define ID_CTR_EL0 "ctr_el0"
-
-#define ID_AA64PFR0_EL1 "id_aa64pfr0_el1"
-#define ID_AA64DFR0_EL1 "id_aa64dfr0_el1"
-#define ID_AA64AFR0_EL1 "id_aa64afr0_el1"
-#define ID_AA64ISAR0_EL1 "id_aa64isar0_el1"
-#define ID_AA64MMFR0_EL1 "id_aa64mmfr0_el1"
-
#define INVALID_HWID ULONG_MAX
#define MPIDR_HWID_BITMASK 0xff00ffffff
+#define MPIDR_LEVEL_BITS_SHIFT 3
+#define MPIDR_LEVEL_BITS (1 << MPIDR_LEVEL_BITS_SHIFT)
+#define MPIDR_LEVEL_MASK ((1 << MPIDR_LEVEL_BITS) - 1)
+
+#define MPIDR_LEVEL_SHIFT(level) \
+ (((1 << level) >> 1) << MPIDR_LEVEL_BITS_SHIFT)
+
+#define MPIDR_AFFINITY_LEVEL(mpidr, level) \
+ ((mpidr >> MPIDR_LEVEL_SHIFT(level)) & MPIDR_LEVEL_MASK)
+
#define read_cpuid(reg) ({ \
u64 __val; \
- asm("mrs %0, " reg : "=r" (__val)); \
+ asm("mrs %0, " #reg : "=r" (__val)); \
__val; \
})
@@ -54,12 +54,12 @@
*/
static inline u32 __attribute_const__ read_cpuid_id(void)
{
- return read_cpuid(ID_MIDR_EL1);
+ return read_cpuid(MIDR_EL1);
}
static inline u64 __attribute_const__ read_cpuid_mpidr(void)
{
- return read_cpuid(ID_MPIDR_EL1);
+ return read_cpuid(MPIDR_EL1);
}
static inline unsigned int __attribute_const__ read_cpuid_implementor(void)
@@ -74,7 +74,7 @@ static inline unsigned int __attribute_const__ read_cpuid_part_number(void)
static inline u32 __attribute_const__ read_cpuid_cachetype(void)
{
- return read_cpuid(ID_CTR_EL0);
+ return read_cpuid(CTR_EL0);
}
#endif /* __ASSEMBLY__ */
diff --git a/arch/arm64/include/asm/debug-monitors.h b/arch/arm64/include/asm/debug-monitors.h
index a2232d07be9..62314791570 100644
--- a/arch/arm64/include/asm/debug-monitors.h
+++ b/arch/arm64/include/asm/debug-monitors.h
@@ -62,6 +62,27 @@ struct task_struct;
#define DBG_ARCH_ID_RESERVED 0 /* In case of ptrace ABI updates. */
+#define DBG_HOOK_HANDLED 0
+#define DBG_HOOK_ERROR 1
+
+struct step_hook {
+ struct list_head node;
+ int (*fn)(struct pt_regs *regs, unsigned int esr);
+};
+
+void register_step_hook(struct step_hook *hook);
+void unregister_step_hook(struct step_hook *hook);
+
+struct break_hook {
+ struct list_head node;
+ u32 esr_val;
+ u32 esr_mask;
+ int (*fn)(struct pt_regs *regs, unsigned int esr);
+};
+
+void register_break_hook(struct break_hook *hook);
+void unregister_break_hook(struct break_hook *hook);
+
u8 debug_monitors_arch(void);
void enable_debug_monitors(enum debug_el el);
diff --git a/arch/arm64/include/asm/dma-contiguous.h b/arch/arm64/include/asm/dma-contiguous.h
new file mode 100644
index 00000000000..d6aacb61ff4
--- /dev/null
+++ b/arch/arm64/include/asm/dma-contiguous.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2013, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _ASM_DMA_CONTIGUOUS_H
+#define _ASM_DMA_CONTIGUOUS_H
+
+#ifdef __KERNEL__
+#ifdef CONFIG_DMA_CMA
+
+#include <linux/types.h>
+#include <asm-generic/dma-contiguous.h>
+
+static inline void
+dma_contiguous_early_fixup(phys_addr_t base, unsigned long size) { }
+
+#endif
+#endif
+
+#endif
diff --git a/arch/arm64/include/asm/futex.h b/arch/arm64/include/asm/futex.h
index c582fa31636..78cc3aba5d6 100644
--- a/arch/arm64/include/asm/futex.h
+++ b/arch/arm64/include/asm/futex.h
@@ -30,6 +30,7 @@
" cbnz %w3, 1b\n" \
"3:\n" \
" .pushsection .fixup,\"ax\"\n" \
+" .align 2\n" \
"4: mov %w0, %w5\n" \
" b 3b\n" \
" .popsection\n" \
diff --git a/arch/arm64/include/asm/hardirq.h b/arch/arm64/include/asm/hardirq.h
index 990c051e782..ae4801d7751 100644
--- a/arch/arm64/include/asm/hardirq.h
+++ b/arch/arm64/include/asm/hardirq.h
@@ -20,7 +20,7 @@
#include <linux/threads.h>
#include <asm/irq.h>
-#define NR_IPI 4
+#define NR_IPI 5
typedef struct {
unsigned int __softirq_pending;
diff --git a/arch/arm64/include/asm/insn.h b/arch/arm64/include/asm/insn.h
new file mode 100644
index 00000000000..c44ad39ed31
--- /dev/null
+++ b/arch/arm64/include/asm/insn.h
@@ -0,0 +1,108 @@
+/*
+ * Copyright (C) 2013 Huawei Ltd.
+ * Author: Jiang Liu <liuj97@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef __ASM_INSN_H
+#define __ASM_INSN_H
+#include <linux/types.h>
+
+/* A64 instructions are always 32 bits. */
+#define AARCH64_INSN_SIZE 4
+
+/*
+ * ARM Architecture Reference Manual for ARMv8 Profile-A, Issue A.a
+ * Section C3.1 "A64 instruction index by encoding":
+ * AArch64 main encoding table
+ * Bit position
+ * 28 27 26 25 Encoding Group
+ * 0 0 - - Unallocated
+ * 1 0 0 - Data processing, immediate
+ * 1 0 1 - Branch, exception generation and system instructions
+ * - 1 - 0 Loads and stores
+ * - 1 0 1 Data processing - register
+ * 0 1 1 1 Data processing - SIMD and floating point
+ * 1 1 1 1 Data processing - SIMD and floating point
+ * "-" means "don't care"
+ */
+enum aarch64_insn_encoding_class {
+ AARCH64_INSN_CLS_UNKNOWN, /* UNALLOCATED */
+ AARCH64_INSN_CLS_DP_IMM, /* Data processing - immediate */
+ AARCH64_INSN_CLS_DP_REG, /* Data processing - register */
+ AARCH64_INSN_CLS_DP_FPSIMD, /* Data processing - SIMD and FP */
+ AARCH64_INSN_CLS_LDST, /* Loads and stores */
+ AARCH64_INSN_CLS_BR_SYS, /* Branch, exception generation and
+ * system instructions */
+};
+
+enum aarch64_insn_hint_op {
+ AARCH64_INSN_HINT_NOP = 0x0 << 5,
+ AARCH64_INSN_HINT_YIELD = 0x1 << 5,
+ AARCH64_INSN_HINT_WFE = 0x2 << 5,
+ AARCH64_INSN_HINT_WFI = 0x3 << 5,
+ AARCH64_INSN_HINT_SEV = 0x4 << 5,
+ AARCH64_INSN_HINT_SEVL = 0x5 << 5,
+};
+
+enum aarch64_insn_imm_type {
+ AARCH64_INSN_IMM_ADR,
+ AARCH64_INSN_IMM_26,
+ AARCH64_INSN_IMM_19,
+ AARCH64_INSN_IMM_16,
+ AARCH64_INSN_IMM_14,
+ AARCH64_INSN_IMM_12,
+ AARCH64_INSN_IMM_9,
+ AARCH64_INSN_IMM_MAX
+};
+
+enum aarch64_insn_branch_type {
+ AARCH64_INSN_BRANCH_NOLINK,
+ AARCH64_INSN_BRANCH_LINK,
+};
+
+#define __AARCH64_INSN_FUNCS(abbr, mask, val) \
+static __always_inline bool aarch64_insn_is_##abbr(u32 code) \
+{ return (code & (mask)) == (val); } \
+static __always_inline u32 aarch64_insn_get_##abbr##_value(void) \
+{ return (val); }
+
+__AARCH64_INSN_FUNCS(b, 0xFC000000, 0x14000000)
+__AARCH64_INSN_FUNCS(bl, 0xFC000000, 0x94000000)
+__AARCH64_INSN_FUNCS(svc, 0xFFE0001F, 0xD4000001)
+__AARCH64_INSN_FUNCS(hvc, 0xFFE0001F, 0xD4000002)
+__AARCH64_INSN_FUNCS(smc, 0xFFE0001F, 0xD4000003)
+__AARCH64_INSN_FUNCS(brk, 0xFFE0001F, 0xD4200000)
+__AARCH64_INSN_FUNCS(hint, 0xFFFFF01F, 0xD503201F)
+
+#undef __AARCH64_INSN_FUNCS
+
+bool aarch64_insn_is_nop(u32 insn);
+
+int aarch64_insn_read(void *addr, u32 *insnp);
+int aarch64_insn_write(void *addr, u32 insn);
+enum aarch64_insn_encoding_class aarch64_get_insn_class(u32 insn);
+u32 aarch64_insn_encode_immediate(enum aarch64_insn_imm_type type,
+ u32 insn, u64 imm);
+u32 aarch64_insn_gen_branch_imm(unsigned long pc, unsigned long addr,
+ enum aarch64_insn_branch_type type);
+u32 aarch64_insn_gen_hint(enum aarch64_insn_hint_op op);
+u32 aarch64_insn_gen_nop(void);
+
+bool aarch64_insn_hotpatch_safe(u32 old_insn, u32 new_insn);
+
+int aarch64_insn_patch_text_nosync(void *addr, u32 insn);
+int aarch64_insn_patch_text_sync(void *addrs[], u32 insns[], int cnt);
+int aarch64_insn_patch_text(void *addrs[], u32 insns[], int cnt);
+
+#endif /* __ASM_INSN_H */
diff --git a/arch/arm64/include/asm/jump_label.h b/arch/arm64/include/asm/jump_label.h
new file mode 100644
index 00000000000..076a1c71404
--- /dev/null
+++ b/arch/arm64/include/asm/jump_label.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2013 Huawei Ltd.
+ * Author: Jiang Liu <liuj97@gmail.com>
+ *
+ * Based on arch/arm/include/asm/jump_label.h
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef __ASM_JUMP_LABEL_H
+#define __ASM_JUMP_LABEL_H
+#include <linux/types.h>
+#include <asm/insn.h>
+
+#ifdef __KERNEL__
+
+#define JUMP_LABEL_NOP_SIZE AARCH64_INSN_SIZE
+
+static __always_inline bool arch_static_branch(struct static_key *key)
+{
+ asm goto("1: nop\n\t"
+ ".pushsection __jump_table, \"aw\"\n\t"
+ ".align 3\n\t"
+ ".quad 1b, %l[l_yes], %c0\n\t"
+ ".popsection\n\t"
+ : : "i"(key) : : l_yes);
+
+ return false;
+l_yes:
+ return true;
+}
+
+#endif /* __KERNEL__ */
+
+typedef u64 jump_label_t;
+
+struct jump_entry {
+ jump_label_t code;
+ jump_label_t target;
+ jump_label_t key;
+};
+
+#endif /* __ASM_JUMP_LABEL_H */
diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h
index 37762175896..9dc5dc39fde 100644
--- a/arch/arm64/include/asm/memory.h
+++ b/arch/arm64/include/asm/memory.h
@@ -146,8 +146,7 @@ static inline void *phys_to_virt(phys_addr_t x)
#define ARCH_PFN_OFFSET PHYS_PFN_OFFSET
#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
-#define virt_addr_valid(kaddr) (((void *)(kaddr) >= (void *)PAGE_OFFSET) && \
- ((void *)(kaddr) < (void *)high_memory))
+#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
#endif
diff --git a/arch/arm64/include/asm/percpu.h b/arch/arm64/include/asm/percpu.h
new file mode 100644
index 00000000000..13fb0b3efc5
--- /dev/null
+++ b/arch/arm64/include/asm/percpu.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2013 ARM Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef __ASM_PERCPU_H
+#define __ASM_PERCPU_H
+
+static inline void set_my_cpu_offset(unsigned long off)
+{
+ asm volatile("msr tpidr_el1, %0" :: "r" (off) : "memory");
+}
+
+static inline unsigned long __my_cpu_offset(void)
+{
+ unsigned long off;
+ register unsigned long *sp asm ("sp");
+
+ /*
+ * We want to allow caching the value, so avoid using volatile and
+ * instead use a fake stack read to hazard against barrier().
+ */
+ asm("mrs %0, tpidr_el1" : "=r" (off) : "Q" (*sp));
+
+ return off;
+}
+#define __my_cpu_offset __my_cpu_offset()
+
+#include <asm-generic/percpu.h>
+
+#endif /* __ASM_PERCPU_H */
diff --git a/arch/arm64/include/asm/pgtable-hwdef.h b/arch/arm64/include/asm/pgtable-hwdef.h
index 755f8614332..b1d2e26c3c8 100644
--- a/arch/arm64/include/asm/pgtable-hwdef.h
+++ b/arch/arm64/include/asm/pgtable-hwdef.h
@@ -43,7 +43,7 @@
* Section
*/
#define PMD_SECT_VALID (_AT(pmdval_t, 1) << 0)
-#define PMD_SECT_PROT_NONE (_AT(pmdval_t, 1) << 2)
+#define PMD_SECT_PROT_NONE (_AT(pmdval_t, 1) << 58)
#define PMD_SECT_USER (_AT(pmdval_t, 1) << 6) /* AP[1] */
#define PMD_SECT_RDONLY (_AT(pmdval_t, 1) << 7) /* AP[2] */
#define PMD_SECT_S (_AT(pmdval_t, 3) << 8)
diff --git a/arch/arm64/include/asm/proc-fns.h b/arch/arm64/include/asm/proc-fns.h
index 7cdf466fd0c..0c657bb5459 100644
--- a/arch/arm64/include/asm/proc-fns.h
+++ b/arch/arm64/include/asm/proc-fns.h
@@ -26,11 +26,14 @@
#include <asm/page.h>
struct mm_struct;
+struct cpu_suspend_ctx;
extern void cpu_cache_off(void);
extern void cpu_do_idle(void);
extern void cpu_do_switch_mm(unsigned long pgd_phys, struct mm_struct *mm);
extern void cpu_reset(unsigned long addr) __attribute__((noreturn));
+extern void cpu_do_suspend(struct cpu_suspend_ctx *ptr);
+extern u64 cpu_do_resume(phys_addr_t ptr, u64 idmap_ttbr);
#include <asm/memory.h>
diff --git a/arch/arm64/include/asm/smp_plat.h b/arch/arm64/include/asm/smp_plat.h
index ed43a0d2b1b..59e282311b5 100644
--- a/arch/arm64/include/asm/smp_plat.h
+++ b/arch/arm64/include/asm/smp_plat.h
@@ -21,6 +21,19 @@
#include <asm/types.h>
+struct mpidr_hash {
+ u64 mask;
+ u32 shift_aff[4];
+ u32 bits;
+};
+
+extern struct mpidr_hash mpidr_hash;
+
+static inline u32 mpidr_hash_size(void)
+{
+ return 1 << mpidr_hash.bits;
+}
+
/*
* Logical CPU mapping.
*/
diff --git a/arch/arm64/include/asm/suspend.h b/arch/arm64/include/asm/suspend.h
new file mode 100644
index 00000000000..e9c149c042e
--- /dev/null
+++ b/arch/arm64/include/asm/suspend.h
@@ -0,0 +1,27 @@
+#ifndef __ASM_SUSPEND_H
+#define __ASM_SUSPEND_H
+
+#define NR_CTX_REGS 11
+
+/*
+ * struct cpu_suspend_ctx must be 16-byte aligned since it is allocated on
+ * the stack, which must be 16-byte aligned on v8
+ */
+struct cpu_suspend_ctx {
+ /*
+ * This struct must be kept in sync with
+ * cpu_do_{suspend/resume} in mm/proc.S
+ */
+ u64 ctx_regs[NR_CTX_REGS];
+ u64 sp;
+} __aligned(16);
+
+struct sleep_save_sp {
+ phys_addr_t *save_ptr_stash;
+ phys_addr_t save_ptr_stash_phys;
+};
+
+extern void cpu_resume(void);
+extern int cpu_suspend(unsigned long);
+
+#endif
diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h
index 7ecc2b23882..6c0f684aca8 100644
--- a/arch/arm64/include/asm/uaccess.h
+++ b/arch/arm64/include/asm/uaccess.h
@@ -100,6 +100,7 @@ static inline void set_fs(mm_segment_t fs)
})
#define access_ok(type, addr, size) __range_ok(addr, size)
+#define user_addr_max get_fs
/*
* The "__xxx" versions of the user access functions do not verify the address
@@ -240,9 +241,6 @@ extern unsigned long __must_check __copy_to_user(void __user *to, const void *fr
extern unsigned long __must_check __copy_in_user(void __user *to, const void __user *from, unsigned long n);
extern unsigned long __must_check __clear_user(void __user *addr, unsigned long n);
-extern unsigned long __must_check __strncpy_from_user(char *to, const char __user *from, unsigned long count);
-extern unsigned long __must_check __strnlen_user(const char __user *s, long n);
-
static inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long n)
{
if (access_ok(VERIFY_READ, from, n))
@@ -276,24 +274,9 @@ static inline unsigned long __must_check clear_user(void __user *to, unsigned lo
return n;
}
-static inline long __must_check strncpy_from_user(char *dst, const char __user *src, long count)
-{
- long res = -EFAULT;
- if (access_ok(VERIFY_READ, src, 1))
- res = __strncpy_from_user(dst, src, count);
- return res;
-}
-
-#define strlen_user(s) strnlen_user(s, ~0UL >> 1)
+extern long strncpy_from_user(char *dest, const char __user *src, long count);
-static inline long __must_check strnlen_user(const char __user *s, long n)
-{
- unsigned long res = 0;
-
- if (__addr_ok(s))
- res = __strnlen_user(s, n);
-
- return res;
-}
+extern __must_check long strlen_user(const char __user *str);
+extern __must_check long strnlen_user(const char __user *str, long n);
#endif /* __ASM_UACCESS_H */
diff --git a/arch/arm64/include/asm/word-at-a-time.h b/arch/arm64/include/asm/word-at-a-time.h
new file mode 100644
index 00000000000..aab5bf09e9d
--- /dev/null
+++ b/arch/arm64/include/asm/word-at-a-time.h
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2013 ARM Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef __ASM_WORD_AT_A_TIME_H
+#define __ASM_WORD_AT_A_TIME_H
+
+#ifndef __AARCH64EB__
+
+#include <linux/kernel.h>
+
+struct word_at_a_time {
+ const unsigned long one_bits, high_bits;
+};
+
+#define WORD_AT_A_TIME_CONSTANTS { REPEAT_BYTE(0x01), REPEAT_BYTE(0x80) }
+
+static inline unsigned long has_zero(unsigned long a, unsigned long *bits,
+ const struct word_at_a_time *c)
+{
+ unsigned long mask = ((a - c->one_bits) & ~a) & c->high_bits;
+ *bits = mask;
+ return mask;
+}
+
+#define prep_zero_mask(a, bits, c) (bits)
+
+static inline unsigned long create_zero_mask(unsigned long bits)
+{
+ bits = (bits - 1) & ~bits;
+ return bits >> 7;
+}
+
+static inline unsigned long find_zero(unsigned long mask)
+{
+ return fls64(mask) >> 3;
+}
+
+#define zero_bytemask(mask) (mask)
+
+#else /* __AARCH64EB__ */
+#include <asm-generic/word-at-a-time.h>
+#endif
+
+/*
+ * Load an unaligned word from kernel space.
+ *
+ * In the (very unlikely) case of the word being a page-crosser
+ * and the next page not being mapped, take the exception and
+ * return zeroes in the non-existing part.
+ */
+static inline unsigned long load_unaligned_zeropad(const void *addr)
+{
+ unsigned long ret, offset;
+
+ /* Load word from unaligned pointer addr */
+ asm(
+ "1: ldr %0, %3\n"
+ "2:\n"
+ " .pushsection .fixup,\"ax\"\n"
+ " .align 2\n"
+ "3: and %1, %2, #0x7\n"
+ " bic %2, %2, #0x7\n"
+ " ldr %0, [%2]\n"
+ " lsl %1, %1, #0x3\n"
+#ifndef __AARCH64EB__
+ " lsr %0, %0, %1\n"
+#else
+ " lsl %0, %0, %1\n"
+#endif
+ " b 2b\n"
+ " .popsection\n"
+ " .pushsection __ex_table,\"a\"\n"
+ " .align 3\n"
+ " .quad 1b, 3b\n"
+ " .popsection"
+ : "=&r" (ret), "=&r" (offset)
+ : "r" (addr), "Q" (*(unsigned long *)addr));
+
+ return ret;
+}
+
+#endif /* __ASM_WORD_AT_A_TIME_H */
diff --git a/arch/arm64/include/asm/xen/page-coherent.h b/arch/arm64/include/asm/xen/page-coherent.h
index 2820f1a6eeb..dde3fc9c49f 100644
--- a/arch/arm64/include/asm/xen/page-coherent.h
+++ b/arch/arm64/include/asm/xen/page-coherent.h
@@ -23,25 +23,21 @@ static inline void xen_dma_map_page(struct device *hwdev, struct page *page,
unsigned long offset, size_t size, enum dma_data_direction dir,
struct dma_attrs *attrs)
{
- __generic_dma_ops(hwdev)->map_page(hwdev, page, offset, size, dir, attrs);
}
static inline void xen_dma_unmap_page(struct device *hwdev, dma_addr_t handle,
size_t size, enum dma_data_direction dir,
struct dma_attrs *attrs)
{
- __generic_dma_ops(hwdev)->unmap_page(hwdev, handle, size, dir, attrs);
}
static inline void xen_dma_sync_single_for_cpu(struct device *hwdev,
dma_addr_t handle, size_t size, enum dma_data_direction dir)
{
- __generic_dma_ops(hwdev)->sync_single_for_cpu(hwdev, handle, size, dir);
}
static inline void xen_dma_sync_single_for_device(struct device *hwdev,
dma_addr_t handle, size_t size, enum dma_data_direction dir)
{
- __generic_dma_ops(hwdev)->sync_single_for_device(hwdev, handle, size, dir);
}
#endif /* _ASM_ARM64_XEN_PAGE_COHERENT_H */
diff --git a/arch/arm64/include/uapi/asm/hwcap.h b/arch/arm64/include/uapi/asm/hwcap.h
index 9b12476e9c8..73cf0f54d57 100644
--- a/arch/arm64/include/uapi/asm/hwcap.h
+++ b/arch/arm64/include/uapi/asm/hwcap.h
@@ -22,6 +22,10 @@
#define HWCAP_FP (1 << 0)
#define HWCAP_ASIMD (1 << 1)
#define HWCAP_EVTSTRM (1 << 2)
-
+#define HWCAP_AES (1 << 3)
+#define HWCAP_PMULL (1 << 4)
+#define HWCAP_SHA1 (1 << 5)
+#define HWCAP_SHA2 (1 << 6)
+#define HWCAP_CRC32 (1 << 7)
#endif /* _UAPI__ASM_HWCAP_H */
diff --git a/arch/arm64/kernel/Makefile b/arch/arm64/kernel/Makefile
index 5ba2fd43a75..2d4554b1341 100644
--- a/arch/arm64/kernel/Makefile
+++ b/arch/arm64/kernel/Makefile
@@ -9,7 +9,7 @@ AFLAGS_head.o := -DTEXT_OFFSET=$(TEXT_OFFSET)
arm64-obj-y := cputable.o debug-monitors.o entry.o irq.o fpsimd.o \
entry-fpsimd.o process.o ptrace.o setup.o signal.o \
sys.o stacktrace.o time.o traps.o io.o vdso.o \
- hyp-stub.o psci.o cpu_ops.o
+ hyp-stub.o psci.o cpu_ops.o insn.o
arm64-obj-$(CONFIG_COMPAT) += sys32.o kuser32.o signal32.o \
sys_compat.o
@@ -18,6 +18,8 @@ arm64-obj-$(CONFIG_SMP) += smp.o smp_spin_table.o
arm64-obj-$(CONFIG_HW_PERF_EVENTS) += perf_event.o
arm64-obj-$(CONFIG_HAVE_HW_BREAKPOINT)+= hw_breakpoint.o
arm64-obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
+arm64-obj-$(CONFIG_ARM64_CPU_SUSPEND) += sleep.o suspend.o
+arm64-obj-$(CONFIG_JUMP_LABEL) += jump_label.o
obj-y += $(arm64-obj-y) vdso/
obj-m += $(arm64-obj-m)
diff --git a/arch/arm64/kernel/arm64ksyms.c b/arch/arm64/kernel/arm64ksyms.c
index e7ee770c069..338b568cd8a 100644
--- a/arch/arm64/kernel/arm64ksyms.c
+++ b/arch/arm64/kernel/arm64ksyms.c
@@ -29,13 +29,10 @@
#include <asm/checksum.h>
- /* user mem (segment) */
-EXPORT_SYMBOL(__strnlen_user);
-EXPORT_SYMBOL(__strncpy_from_user);
-
EXPORT_SYMBOL(copy_page);
EXPORT_SYMBOL(clear_page);
+ /* user mem (segment) */
EXPORT_SYMBOL(__copy_from_user);
EXPORT_SYMBOL(__copy_to_user);
EXPORT_SYMBOL(__clear_user);
diff --git a/arch/arm64/kernel/asm-offsets.c b/arch/arm64/kernel/asm-offsets.c
index 666e231d410..646f888387c 100644
--- a/arch/arm64/kernel/asm-offsets.c
+++ b/arch/arm64/kernel/asm-offsets.c
@@ -25,6 +25,8 @@
#include <asm/thread_info.h>
#include <asm/memory.h>
#include <asm/cputable.h>
+#include <asm/smp_plat.h>
+#include <asm/suspend.h>
#include <asm/vdso_datapage.h>
#include <linux/kbuild.h>
@@ -138,5 +140,14 @@ int main(void)
DEFINE(KVM_VTTBR, offsetof(struct kvm, arch.vttbr));
DEFINE(KVM_VGIC_VCTRL, offsetof(struct kvm, arch.vgic.vctrl_base));
#endif
+#ifdef CONFIG_ARM64_CPU_SUSPEND
+ DEFINE(CPU_SUSPEND_SZ, sizeof(struct cpu_suspend_ctx));
+ DEFINE(CPU_CTX_SP, offsetof(struct cpu_suspend_ctx, sp));
+ DEFINE(MPIDR_HASH_MASK, offsetof(struct mpidr_hash, mask));
+ DEFINE(MPIDR_HASH_SHIFTS, offsetof(struct mpidr_hash, shift_aff));
+ DEFINE(SLEEP_SAVE_SP_SZ, sizeof(struct sleep_save_sp));
+ DEFINE(SLEEP_SAVE_SP_PHYS, offsetof(struct sleep_save_sp, save_ptr_stash_phys));
+ DEFINE(SLEEP_SAVE_SP_VIRT, offsetof(struct sleep_save_sp, save_ptr_stash));
+#endif
return 0;
}
diff --git a/arch/arm64/kernel/debug-monitors.c b/arch/arm64/kernel/debug-monitors.c
index 4ae68579031..636ba8b6240 100644
--- a/arch/arm64/kernel/debug-monitors.c
+++ b/arch/arm64/kernel/debug-monitors.c
@@ -187,6 +187,48 @@ static void clear_regs_spsr_ss(struct pt_regs *regs)
regs->pstate = spsr;
}
+/* EL1 Single Step Handler hooks */
+static LIST_HEAD(step_hook);
+DEFINE_RWLOCK(step_hook_lock);
+
+void register_step_hook(struct step_hook *hook)
+{
+ write_lock(&step_hook_lock);
+ list_add(&hook->node, &step_hook);
+ write_unlock(&step_hook_lock);
+}
+
+void unregister_step_hook(struct step_hook *hook)
+{
+ write_lock(&step_hook_lock);
+ list_del(&hook->node);
+ write_unlock(&step_hook_lock);
+}
+
+/*
+ * Call registered single step handers
+ * There is no Syndrome info to check for determining the handler.
+ * So we call all the registered handlers, until the right handler is
+ * found which returns zero.
+ */
+static int call_step_hook(struct pt_regs *regs, unsigned int esr)
+{
+ struct step_hook *hook;
+ int retval = DBG_HOOK_ERROR;
+
+ read_lock(&step_hook_lock);
+
+ list_for_each_entry(hook, &step_hook, node) {
+ retval = hook->fn(regs, esr);
+ if (retval == DBG_HOOK_HANDLED)
+ break;
+ }
+
+ read_unlock(&step_hook_lock);
+
+ return retval;
+}
+
static int single_step_handler(unsigned long addr, unsigned int esr,
struct pt_regs *regs)
{
@@ -214,7 +256,9 @@ static int single_step_handler(unsigned long addr, unsigned int esr,
*/
user_rewind_single_step(current);
} else {
- /* TODO: route to KGDB */
+ if (call_step_hook(regs, esr) == DBG_HOOK_HANDLED)
+ return 0;
+
pr_warning("Unexpected kernel single-step exception at EL1\n");
/*
* Re-enable stepping since we know that we will be
@@ -226,11 +270,53 @@ static int single_step_handler(unsigned long addr, unsigned int esr,
return 0;
}
+/*
+ * Breakpoint handler is re-entrant as another breakpoint can
+ * hit within breakpoint handler, especically in kprobes.
+ * Use reader/writer locks instead of plain spinlock.
+ */
+static LIST_HEAD(break_hook);
+DEFINE_RWLOCK(break_hook_lock);
+
+void register_break_hook(struct break_hook *hook)
+{
+ write_lock(&break_hook_lock);
+ list_add(&hook->node, &break_hook);
+ write_unlock(&break_hook_lock);
+}
+
+void unregister_break_hook(struct break_hook *hook)
+{
+ write_lock(&break_hook_lock);
+ list_del(&hook->node);
+ write_unlock(&break_hook_lock);
+}
+
+static int call_break_hook(struct pt_regs *regs, unsigned int esr)
+{
+ struct break_hook *hook;
+ int (*fn)(struct pt_regs *regs, unsigned int esr) = NULL;
+
+ read_lock(&break_hook_lock);
+ list_for_each_entry(hook, &break_hook, node)
+ if ((esr & hook->esr_mask) == hook->esr_val)
+ fn = hook->fn;
+ read_unlock(&break_hook_lock);
+
+ return fn ? fn(regs, esr) : DBG_HOOK_ERROR;
+}
+
static int brk_handler(unsigned long addr, unsigned int esr,
struct pt_regs *regs)
{
siginfo_t info;
+ if (call_break_hook(regs, esr) == DBG_HOOK_HANDLED)
+ return 0;
+
+ pr_warn("unexpected brk exception at %lx, esr=0x%x\n",
+ (long)instruction_pointer(regs), esr);
+
if (!user_mode(regs))
return -EFAULT;
diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S
index 4d2c6f3f0c4..39ac630d83d 100644
--- a/arch/arm64/kernel/entry.S
+++ b/arch/arm64/kernel/entry.S
@@ -288,6 +288,8 @@ el1_dbg:
/*
* Debug exception handling
*/
+ cmp x24, #ESR_EL1_EC_BRK64 // if BRK64
+ cinc x24, x24, eq // set bit '0'
tbz x24, #0, el1_inv // EL1 only
mrs x0, far_el1
mov x2, sp // struct pt_regs
@@ -314,7 +316,7 @@ el1_irq:
#ifdef CONFIG_PREEMPT
get_thread_info tsk
- ldr w24, [tsk, #TI_PREEMPT] // restore preempt count
+ ldr w24, [tsk, #TI_PREEMPT] // get preempt count
cbnz w24, 1f // preempt count != 0
ldr x0, [tsk, #TI_FLAGS] // get flags
tbz x0, #TIF_NEED_RESCHED, 1f // needs rescheduling?
diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c
index bb785d23dbd..4aef42a04bd 100644
--- a/arch/arm64/kernel/fpsimd.c
+++ b/arch/arm64/kernel/fpsimd.c
@@ -17,6 +17,7 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <linux/cpu_pm.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/sched.h>
@@ -113,6 +114,39 @@ EXPORT_SYMBOL(kernel_neon_end);
#endif /* CONFIG_KERNEL_MODE_NEON */
+#ifdef CONFIG_CPU_PM
+static int fpsimd_cpu_pm_notifier(struct notifier_block *self,
+ unsigned long cmd, void *v)
+{
+ switch (cmd) {
+ case CPU_PM_ENTER:
+ if (current->mm)
+ fpsimd_save_state(&current->thread.fpsimd_state);
+ break;
+ case CPU_PM_EXIT:
+ if (current->mm)
+ fpsimd_load_state(&current->thread.fpsimd_state);
+ break;
+ case CPU_PM_ENTER_FAILED:
+ default:
+ return NOTIFY_DONE;
+ }
+ return NOTIFY_OK;
+}
+
+static struct notifier_block fpsimd_cpu_pm_notifier_block = {
+ .notifier_call = fpsimd_cpu_pm_notifier,
+};
+
+static void fpsimd_pm_init(void)
+{
+ cpu_pm_register_notifier(&fpsimd_cpu_pm_notifier_block);
+}
+
+#else
+static inline void fpsimd_pm_init(void) { }
+#endif /* CONFIG_CPU_PM */
+
/*
* FP/SIMD support code initialisation.
*/
@@ -131,6 +165,8 @@ static int __init fpsimd_init(void)
else
elf_hwcap |= HWCAP_ASIMD;
+ fpsimd_pm_init();
+
return 0;
}
late_initcall(fpsimd_init);
diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
index 7009387348b..0b281fffda5 100644
--- a/arch/arm64/kernel/head.S
+++ b/arch/arm64/kernel/head.S
@@ -282,8 +282,9 @@ ENDPROC(secondary_holding_pen)
* be used where CPUs are brought online dynamically by the kernel.
*/
ENTRY(secondary_entry)
- bl __calc_phys_offset // x2=phys offset
bl el2_setup // Drop to EL1
+ bl __calc_phys_offset // x24=PHYS_OFFSET, x28=PHYS_OFFSET-PAGE_OFFSET
+ bl set_cpu_boot_mode_flag
b secondary_startup
ENDPROC(secondary_entry)
@@ -481,8 +482,6 @@ ENDPROC(__create_page_tables)
.type __switch_data, %object
__switch_data:
.quad __mmap_switched
- .quad __data_loc // x4
- .quad _data // x5
.quad __bss_start // x6
.quad _end // x7
.quad processor_id // x4
@@ -497,15 +496,7 @@ __switch_data:
__mmap_switched:
adr x3, __switch_data + 8
- ldp x4, x5, [x3], #16
ldp x6, x7, [x3], #16
- cmp x4, x5 // Copy data segment if needed
-1: ccmp x5, x6, #4, ne
- b.eq 2f
- ldr x16, [x4], #8
- str x16, [x5], #8
- b 1b
-2:
1: cmp x6, x7
b.hs 2f
str xzr, [x6], #8 // Clear BSS
diff --git a/arch/arm64/kernel/hw_breakpoint.c b/arch/arm64/kernel/hw_breakpoint.c
index ff516f6691e..f17f581116f 100644
--- a/arch/arm64/kernel/hw_breakpoint.c
+++ b/arch/arm64/kernel/hw_breakpoint.c
@@ -20,6 +20,7 @@
#define pr_fmt(fmt) "hw-breakpoint: " fmt
+#include <linux/cpu_pm.h>
#include <linux/errno.h>
#include <linux/hw_breakpoint.h>
#include <linux/perf_event.h>
@@ -169,15 +170,68 @@ static enum debug_el debug_exception_level(int privilege)
}
}
-/*
- * Install a perf counter breakpoint.
+enum hw_breakpoint_ops {
+ HW_BREAKPOINT_INSTALL,
+ HW_BREAKPOINT_UNINSTALL,
+ HW_BREAKPOINT_RESTORE
+};
+
+/**
+ * hw_breakpoint_slot_setup - Find and setup a perf slot according to
+ * operations
+ *
+ * @slots: pointer to array of slots
+ * @max_slots: max number of slots
+ * @bp: perf_event to setup
+ * @ops: operation to be carried out on the slot
+ *
+ * Return:
+ * slot index on success
+ * -ENOSPC if no slot is available/matches
+ * -EINVAL on wrong operations parameter
*/
-int arch_install_hw_breakpoint(struct perf_event *bp)
+static int hw_breakpoint_slot_setup(struct perf_event **slots, int max_slots,
+ struct perf_event *bp,
+ enum hw_breakpoint_ops ops)
+{
+ int i;
+ struct perf_event **slot;
+
+ for (i = 0; i < max_slots; ++i) {
+ slot = &slots[i];
+ switch (ops) {
+ case HW_BREAKPOINT_INSTALL:
+ if (!*slot) {
+ *slot = bp;
+ return i;
+ }
+ break;
+ case HW_BREAKPOINT_UNINSTALL:
+ if (*slot == bp) {
+ *slot = NULL;
+ return i;
+ }
+ break;
+ case HW_BREAKPOINT_RESTORE:
+ if (*slot == bp)
+ return i;
+ break;
+ default:
+ pr_warn_once("Unhandled hw breakpoint ops %d\n", ops);
+ return -EINVAL;
+ }
+ }
+ return -ENOSPC;
+}
+
+static int hw_breakpoint_control(struct perf_event *bp,
+ enum hw_breakpoint_ops ops)
{
struct arch_hw_breakpoint *info = counter_arch_bp(bp);
- struct perf_event **slot, **slots;
+ struct perf_event **slots;
struct debug_info *debug_info = &current->thread.debug;
int i, max_slots, ctrl_reg, val_reg, reg_enable;
+ enum debug_el dbg_el = debug_exception_level(info->ctrl.privilege);
u32 ctrl;
if (info->ctrl.type == ARM_BREAKPOINT_EXECUTE) {
@@ -196,67 +250,54 @@ int arch_install_hw_breakpoint(struct perf_event *bp)
reg_enable = !debug_info->wps_disabled;
}
- for (i = 0; i < max_slots; ++i) {
- slot = &slots[i];
-
- if (!*slot) {
- *slot = bp;
- break;
- }
- }
-
- if (WARN_ONCE(i == max_slots, "Can't find any breakpoint slot"))
- return -ENOSPC;
+ i = hw_breakpoint_slot_setup(slots, max_slots, bp, ops);
- /* Ensure debug monitors are enabled at the correct exception level. */
- enable_debug_monitors(debug_exception_level(info->ctrl.privilege));
+ if (WARN_ONCE(i < 0, "Can't find any breakpoint slot"))
+ return i;
- /* Setup the address register. */
- write_wb_reg(val_reg, i, info->address);
+ switch (ops) {
+ case HW_BREAKPOINT_INSTALL:
+ /*
+ * Ensure debug monitors are enabled at the correct exception
+ * level.
+ */
+ enable_debug_monitors(dbg_el);
+ /* Fall through */
+ case HW_BREAKPOINT_RESTORE:
+ /* Setup the address register. */
+ write_wb_reg(val_reg, i, info->address);
+
+ /* Setup the control register. */
+ ctrl = encode_ctrl_reg(info->ctrl);
+ write_wb_reg(ctrl_reg, i,
+ reg_enable ? ctrl | 0x1 : ctrl & ~0x1);
+ break;
+ case HW_BREAKPOINT_UNINSTALL:
+ /* Reset the control register. */
+ write_wb_reg(ctrl_reg, i, 0);
- /* Setup the control register. */
- ctrl = encode_ctrl_reg(info->ctrl);
- write_wb_reg(ctrl_reg, i, reg_enable ? ctrl | 0x1 : ctrl & ~0x1);
+ /*
+ * Release the debug monitors for the correct exception
+ * level.
+ */
+ disable_debug_monitors(dbg_el);
+ break;
+ }
return 0;
}
-void arch_uninstall_hw_breakpoint(struct perf_event *bp)
+/*
+ * Install a perf counter breakpoint.
+ */
+int arch_install_hw_breakpoint(struct perf_event *bp)
{
- struct arch_hw_breakpoint *info = counter_arch_bp(bp);
- struct perf_event **slot, **slots;
- int i, max_slots, base;
-
- if (info->ctrl.type == ARM_BREAKPOINT_EXECUTE) {
- /* Breakpoint */
- base = AARCH64_DBG_REG_BCR;
- slots = this_cpu_ptr(bp_on_reg);
- max_slots = core_num_brps;
- } else {
- /* Watchpoint */
- base = AARCH64_DBG_REG_WCR;
- slots = this_cpu_ptr(wp_on_reg);
- max_slots = core_num_wrps;
- }
-
- /* Remove the breakpoint. */
- for (i = 0; i < max_slots; ++i) {
- slot = &slots[i];
-
- if (*slot == bp) {
- *slot = NULL;
- break;
- }
- }
-
- if (WARN_ONCE(i == max_slots, "Can't find any breakpoint slot"))
- return;
-
- /* Reset the control register. */
- write_wb_reg(base, i, 0);
+ return hw_breakpoint_control(bp, HW_BREAKPOINT_INSTALL);
+}
- /* Release the debug monitors for the correct exception level. */
- disable_debug_monitors(debug_exception_level(info->ctrl.privilege));
+void arch_uninstall_hw_breakpoint(struct perf_event *bp)
+{
+ hw_breakpoint_control(bp, HW_BREAKPOINT_UNINSTALL);
}
static int get_hbp_len(u8 hbp_len)
@@ -806,18 +847,36 @@ void hw_breakpoint_thread_switch(struct task_struct *next)
/*
* CPU initialisation.
*/
-static void reset_ctrl_regs(void *unused)
+static void hw_breakpoint_reset(void *unused)
{
int i;
-
- for (i = 0; i < core_num_brps; ++i) {
- write_wb_reg(AARCH64_DBG_REG_BCR, i, 0UL);
- write_wb_reg(AARCH64_DBG_REG_BVR, i, 0UL);
+ struct perf_event **slots;
+ /*
+ * When a CPU goes through cold-boot, it does not have any installed
+ * slot, so it is safe to share the same function for restoring and
+ * resetting breakpoints; when a CPU is hotplugged in, it goes
+ * through the slots, which are all empty, hence it just resets control
+ * and value for debug registers.
+ * When this function is triggered on warm-boot through a CPU PM
+ * notifier some slots might be initialized; if so they are
+ * reprogrammed according to the debug slots content.
+ */
+ for (slots = this_cpu_ptr(bp_on_reg), i = 0; i < core_num_brps; ++i) {
+ if (slots[i]) {
+ hw_breakpoint_control(slots[i], HW_BREAKPOINT_RESTORE);
+ } else {
+ write_wb_reg(AARCH64_DBG_REG_BCR, i, 0UL);
+ write_wb_reg(AARCH64_DBG_REG_BVR, i, 0UL);
+ }
}
- for (i = 0; i < core_num_wrps; ++i) {
- write_wb_reg(AARCH64_DBG_REG_WCR, i, 0UL);
- write_wb_reg(AARCH64_DBG_REG_WVR, i, 0UL);
+ for (slots = this_cpu_ptr(wp_on_reg), i = 0; i < core_num_wrps; ++i) {
+ if (slots[i]) {
+ hw_breakpoint_control(slots[i], HW_BREAKPOINT_RESTORE);
+ } else {
+ write_wb_reg(AARCH64_DBG_REG_WCR, i, 0UL);
+ write_wb_reg(AARCH64_DBG_REG_WVR, i, 0UL);
+ }
}
}
@@ -827,7 +886,7 @@ static int hw_breakpoint_reset_notify(struct notifier_block *self,
{
int cpu = (long)hcpu;
if (action == CPU_ONLINE)
- smp_call_function_single(cpu, reset_ctrl_regs, NULL, 1);
+ smp_call_function_single(cpu, hw_breakpoint_reset, NULL, 1);
return NOTIFY_OK;
}
@@ -835,6 +894,14 @@ static struct notifier_block hw_breakpoint_reset_nb = {
.notifier_call = hw_breakpoint_reset_notify,
};
+#ifdef CONFIG_ARM64_CPU_SUSPEND
+extern void cpu_suspend_set_dbg_restorer(void (*hw_bp_restore)(void *));
+#else
+static inline void cpu_suspend_set_dbg_restorer(void (*hw_bp_restore)(void *))
+{
+}
+#endif
+
/*
* One-time initialisation.
*/
@@ -850,8 +917,8 @@ static int __init arch_hw_breakpoint_init(void)
* Reset the breakpoint resources. We assume that a halting
* debugger will leave the world in a nice state for us.
*/
- smp_call_function(reset_ctrl_regs, NULL, 1);
- reset_ctrl_regs(NULL);
+ smp_call_function(hw_breakpoint_reset, NULL, 1);
+ hw_breakpoint_reset(NULL);
/* Register debug fault handlers. */
hook_debug_fault_code(DBG_ESR_EVT_HWBP, breakpoint_handler, SIGTRAP,
@@ -861,6 +928,8 @@ static int __init arch_hw_breakpoint_init(void)
/* Register hotplug notifier. */
register_cpu_notifier(&hw_breakpoint_reset_nb);
+ /* Register cpu_suspend hw breakpoint restore hook */
+ cpu_suspend_set_dbg_restorer(hw_breakpoint_reset);
return 0;
}
diff --git a/arch/arm64/kernel/insn.c b/arch/arm64/kernel/insn.c
new file mode 100644
index 00000000000..92f36835486
--- /dev/null
+++ b/arch/arm64/kernel/insn.c
@@ -0,0 +1,304 @@
+/*
+ * Copyright (C) 2013 Huawei Ltd.
+ * Author: Jiang Liu <liuj97@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <linux/bitops.h>
+#include <linux/compiler.h>
+#include <linux/kernel.h>
+#include <linux/smp.h>
+#include <linux/stop_machine.h>
+#include <linux/uaccess.h>
+#include <asm/cacheflush.h>
+#include <asm/insn.h>
+
+static int aarch64_insn_encoding_class[] = {
+ AARCH64_INSN_CLS_UNKNOWN,
+ AARCH64_INSN_CLS_UNKNOWN,
+ AARCH64_INSN_CLS_UNKNOWN,
+ AARCH64_INSN_CLS_UNKNOWN,
+ AARCH64_INSN_CLS_LDST,
+ AARCH64_INSN_CLS_DP_REG,
+ AARCH64_INSN_CLS_LDST,
+ AARCH64_INSN_CLS_DP_FPSIMD,
+ AARCH64_INSN_CLS_DP_IMM,
+ AARCH64_INSN_CLS_DP_IMM,
+ AARCH64_INSN_CLS_BR_SYS,
+ AARCH64_INSN_CLS_BR_SYS,
+ AARCH64_INSN_CLS_LDST,
+ AARCH64_INSN_CLS_DP_REG,
+ AARCH64_INSN_CLS_LDST,
+ AARCH64_INSN_CLS_DP_FPSIMD,
+};
+
+enum aarch64_insn_encoding_class __kprobes aarch64_get_insn_class(u32 insn)
+{
+ return aarch64_insn_encoding_class[(insn >> 25) & 0xf];
+}
+
+/* NOP is an alias of HINT */
+bool __kprobes aarch64_insn_is_nop(u32 insn)
+{
+ if (!aarch64_insn_is_hint(insn))
+ return false;
+
+ switch (insn & 0xFE0) {
+ case AARCH64_INSN_HINT_YIELD:
+ case AARCH64_INSN_HINT_WFE:
+ case AARCH64_INSN_HINT_WFI:
+ case AARCH64_INSN_HINT_SEV:
+ case AARCH64_INSN_HINT_SEVL:
+ return false;
+ default:
+ return true;
+ }
+}
+
+/*
+ * In ARMv8-A, A64 instructions have a fixed length of 32 bits and are always
+ * little-endian.
+ */
+int __kprobes aarch64_insn_read(void *addr, u32 *insnp)
+{
+ int ret;
+ u32 val;
+
+ ret = probe_kernel_read(&val, addr, AARCH64_INSN_SIZE);
+ if (!ret)
+ *insnp = le32_to_cpu(val);
+
+ return ret;
+}
+
+int __kprobes aarch64_insn_write(void *addr, u32 insn)
+{
+ insn = cpu_to_le32(insn);
+ return probe_kernel_write(addr, &insn, AARCH64_INSN_SIZE);
+}
+
+static bool __kprobes __aarch64_insn_hotpatch_safe(u32 insn)
+{
+ if (aarch64_get_insn_class(insn) != AARCH64_INSN_CLS_BR_SYS)
+ return false;
+
+ return aarch64_insn_is_b(insn) ||
+ aarch64_insn_is_bl(insn) ||
+ aarch64_insn_is_svc(insn) ||
+ aarch64_insn_is_hvc(insn) ||
+ aarch64_insn_is_smc(insn) ||
+ aarch64_insn_is_brk(insn) ||
+ aarch64_insn_is_nop(insn);
+}
+
+/*
+ * ARM Architecture Reference Manual for ARMv8 Profile-A, Issue A.a
+ * Section B2.6.5 "Concurrent modification and execution of instructions":
+ * Concurrent modification and execution of instructions can lead to the
+ * resulting instruction performing any behavior that can be achieved by
+ * executing any sequence of instructions that can be executed from the
+ * same Exception level, except where the instruction before modification
+ * and the instruction after modification is a B, BL, NOP, BKPT, SVC, HVC,
+ * or SMC instruction.
+ */
+bool __kprobes aarch64_insn_hotpatch_safe(u32 old_insn, u32 new_insn)
+{
+ return __aarch64_insn_hotpatch_safe(old_insn) &&
+ __aarch64_insn_hotpatch_safe(new_insn);
+}
+
+int __kprobes aarch64_insn_patch_text_nosync(void *addr, u32 insn)
+{
+ u32 *tp = addr;
+ int ret;
+
+ /* A64 instructions must be word aligned */
+ if ((uintptr_t)tp & 0x3)
+ return -EINVAL;
+
+ ret = aarch64_insn_write(tp, insn);
+ if (ret == 0)
+ flush_icache_range((uintptr_t)tp,
+ (uintptr_t)tp + AARCH64_INSN_SIZE);
+
+ return ret;
+}
+
+struct aarch64_insn_patch {
+ void **text_addrs;
+ u32 *new_insns;
+ int insn_cnt;
+ atomic_t cpu_count;
+};
+
+static int __kprobes aarch64_insn_patch_text_cb(void *arg)
+{
+ int i, ret = 0;
+ struct aarch64_insn_patch *pp = arg;
+
+ /* The first CPU becomes master */
+ if (atomic_inc_return(&pp->cpu_count) == 1) {
+ for (i = 0; ret == 0 && i < pp->insn_cnt; i++)
+ ret = aarch64_insn_patch_text_nosync(pp->text_addrs[i],
+ pp->new_insns[i]);
+ /*
+ * aarch64_insn_patch_text_nosync() calls flush_icache_range(),
+ * which ends with "dsb; isb" pair guaranteeing global
+ * visibility.
+ */
+ atomic_set(&pp->cpu_count, -1);
+ } else {
+ while (atomic_read(&pp->cpu_count) != -1)
+ cpu_relax();
+ isb();
+ }
+
+ return ret;
+}
+
+int __kprobes aarch64_insn_patch_text_sync(void *addrs[], u32 insns[], int cnt)
+{
+ struct aarch64_insn_patch patch = {
+ .text_addrs = addrs,
+ .new_insns = insns,
+ .insn_cnt = cnt,
+ .cpu_count = ATOMIC_INIT(0),
+ };
+
+ if (cnt <= 0)
+ return -EINVAL;
+
+ return stop_machine(aarch64_insn_patch_text_cb, &patch,
+ cpu_online_mask);
+}
+
+int __kprobes aarch64_insn_patch_text(void *addrs[], u32 insns[], int cnt)
+{
+ int ret;
+ u32 insn;
+
+ /* Unsafe to patch multiple instructions without synchronizaiton */
+ if (cnt == 1) {
+ ret = aarch64_insn_read(addrs[0], &insn);
+ if (ret)
+ return ret;
+
+ if (aarch64_insn_hotpatch_safe(insn, insns[0])) {
+ /*
+ * ARMv8 architecture doesn't guarantee all CPUs see
+ * the new instruction after returning from function
+ * aarch64_insn_patch_text_nosync(). So send IPIs to
+ * all other CPUs to achieve instruction
+ * synchronization.
+ */
+ ret = aarch64_insn_patch_text_nosync(addrs[0], insns[0]);
+ kick_all_cpus_sync();
+ return ret;
+ }
+ }
+
+ return aarch64_insn_patch_text_sync(addrs, insns, cnt);
+}
+
+u32 __kprobes aarch64_insn_encode_immediate(enum aarch64_insn_imm_type type,
+ u32 insn, u64 imm)
+{
+ u32 immlo, immhi, lomask, himask, mask;
+ int shift;
+
+ switch (type) {
+ case AARCH64_INSN_IMM_ADR:
+ lomask = 0x3;
+ himask = 0x7ffff;
+ immlo = imm & lomask;
+ imm >>= 2;
+ immhi = imm & himask;
+ imm = (immlo << 24) | (immhi);
+ mask = (lomask << 24) | (himask);
+ shift = 5;
+ break;
+ case AARCH64_INSN_IMM_26:
+ mask = BIT(26) - 1;
+ shift = 0;
+ break;
+ case AARCH64_INSN_IMM_19:
+ mask = BIT(19) - 1;
+ shift = 5;
+ break;
+ case AARCH64_INSN_IMM_16:
+ mask = BIT(16) - 1;
+ shift = 5;
+ break;
+ case AARCH64_INSN_IMM_14:
+ mask = BIT(14) - 1;
+ shift = 5;
+ break;
+ case AARCH64_INSN_IMM_12:
+ mask = BIT(12) - 1;
+ shift = 10;
+ break;
+ case AARCH64_INSN_IMM_9:
+ mask = BIT(9) - 1;
+ shift = 12;
+ break;
+ default:
+ pr_err("aarch64_insn_encode_immediate: unknown immediate encoding %d\n",
+ type);
+ return 0;
+ }
+
+ /* Update the immediate field. */
+ insn &= ~(mask << shift);
+ insn |= (imm & mask) << shift;
+
+ return insn;
+}
+
+u32 __kprobes aarch64_insn_gen_branch_imm(unsigned long pc, unsigned long addr,
+ enum aarch64_insn_branch_type type)
+{
+ u32 insn;
+ long offset;
+
+ /*
+ * PC: A 64-bit Program Counter holding the address of the current
+ * instruction. A64 instructions must be word-aligned.
+ */
+ BUG_ON((pc & 0x3) || (addr & 0x3));
+
+ /*
+ * B/BL support [-128M, 128M) offset
+ * ARM64 virtual address arrangement guarantees all kernel and module
+ * texts are within +/-128M.
+ */
+ offset = ((long)addr - (long)pc);
+ BUG_ON(offset < -SZ_128M || offset >= SZ_128M);
+
+ if (type == AARCH64_INSN_BRANCH_LINK)
+ insn = aarch64_insn_get_bl_value();
+ else
+ insn = aarch64_insn_get_b_value();
+
+ return aarch64_insn_encode_immediate(AARCH64_INSN_IMM_26, insn,
+ offset >> 2);
+}
+
+u32 __kprobes aarch64_insn_gen_hint(enum aarch64_insn_hint_op op)
+{
+ return aarch64_insn_get_hint_value() | op;
+}
+
+u32 __kprobes aarch64_insn_gen_nop(void)
+{
+ return aarch64_insn_gen_hint(AARCH64_INSN_HINT_NOP);
+}
diff --git a/arch/arm64/kernel/jump_label.c b/arch/arm64/kernel/jump_label.c
new file mode 100644
index 00000000000..263a166291f
--- /dev/null
+++ b/arch/arm64/kernel/jump_label.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2013 Huawei Ltd.
+ * Author: Jiang Liu <liuj97@gmail.com>
+ *
+ * Based on arch/arm/kernel/jump_label.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <linux/kernel.h>
+#include <linux/jump_label.h>
+#include <asm/insn.h>
+
+#ifdef HAVE_JUMP_LABEL
+
+static void __arch_jump_label_transform(struct jump_entry *entry,
+ enum jump_label_type type,
+ bool is_static)
+{
+ void *addr = (void *)entry->code;
+ u32 insn;
+
+ if (type == JUMP_LABEL_ENABLE) {
+ insn = aarch64_insn_gen_branch_imm(entry->code,
+ entry->target,
+ AARCH64_INSN_BRANCH_NOLINK);
+ } else {
+ insn = aarch64_insn_gen_nop();
+ }
+
+ if (is_static)
+ aarch64_insn_patch_text_nosync(addr, insn);
+ else
+ aarch64_insn_patch_text(&addr, &insn, 1);
+}
+
+void arch_jump_label_transform(struct jump_entry *entry,
+ enum jump_label_type type)
+{
+ __arch_jump_label_transform(entry, type, false);
+}
+
+void arch_jump_label_transform_static(struct jump_entry *entry,
+ enum jump_label_type type)
+{
+ __arch_jump_label_transform(entry, type, true);
+}
+
+#endif /* HAVE_JUMP_LABEL */
diff --git a/arch/arm64/kernel/module.c b/arch/arm64/kernel/module.c
index e2ad0d87721..1eb1cc95513 100644
--- a/arch/arm64/kernel/module.c
+++ b/arch/arm64/kernel/module.c
@@ -25,6 +25,10 @@
#include <linux/mm.h>
#include <linux/moduleloader.h>
#include <linux/vmalloc.h>
+#include <asm/insn.h>
+
+#define AARCH64_INSN_IMM_MOVNZ AARCH64_INSN_IMM_MAX
+#define AARCH64_INSN_IMM_MOVK AARCH64_INSN_IMM_16
void *module_alloc(unsigned long size)
{
@@ -94,28 +98,18 @@ static int reloc_data(enum aarch64_reloc_op op, void *place, u64 val, int len)
return 0;
}
-enum aarch64_imm_type {
- INSN_IMM_MOVNZ,
- INSN_IMM_MOVK,
- INSN_IMM_ADR,
- INSN_IMM_26,
- INSN_IMM_19,
- INSN_IMM_16,
- INSN_IMM_14,
- INSN_IMM_12,
- INSN_IMM_9,
-};
-
-static u32 encode_insn_immediate(enum aarch64_imm_type type, u32 insn, u64 imm)
+static int reloc_insn_movw(enum aarch64_reloc_op op, void *place, u64 val,
+ int lsb, enum aarch64_insn_imm_type imm_type)
{
- u32 immlo, immhi, lomask, himask, mask;
- int shift;
+ u64 imm, limit = 0;
+ s64 sval;
+ u32 insn = le32_to_cpu(*(u32 *)place);
- /* The instruction stream is always little endian. */
- insn = le32_to_cpu(insn);
+ sval = do_reloc(op, place, val);
+ sval >>= lsb;
+ imm = sval & 0xffff;
- switch (type) {
- case INSN_IMM_MOVNZ:
+ if (imm_type == AARCH64_INSN_IMM_MOVNZ) {
/*
* For signed MOVW relocations, we have to manipulate the
* instruction encoding depending on whether or not the
@@ -134,70 +128,12 @@ static u32 encode_insn_immediate(enum aarch64_imm_type type, u32 insn, u64 imm)
*/
imm = ~imm;
}
- case INSN_IMM_MOVK:
- mask = BIT(16) - 1;
- shift = 5;
- break;
- case INSN_IMM_ADR:
- lomask = 0x3;
- himask = 0x7ffff;
- immlo = imm & lomask;
- imm >>= 2;
- immhi = imm & himask;
- imm = (immlo << 24) | (immhi);
- mask = (lomask << 24) | (himask);
- shift = 5;
- break;
- case INSN_IMM_26:
- mask = BIT(26) - 1;
- shift = 0;
- break;
- case INSN_IMM_19:
- mask = BIT(19) - 1;
- shift = 5;
- break;
- case INSN_IMM_16:
- mask = BIT(16) - 1;
- shift = 5;
- break;
- case INSN_IMM_14:
- mask = BIT(14) - 1;
- shift = 5;
- break;
- case INSN_IMM_12:
- mask = BIT(12) - 1;
- shift = 10;
- break;
- case INSN_IMM_9:
- mask = BIT(9) - 1;
- shift = 12;
- break;
- default:
- pr_err("encode_insn_immediate: unknown immediate encoding %d\n",
- type);
- return 0;
+ imm_type = AARCH64_INSN_IMM_MOVK;
}
- /* Update the immediate field. */
- insn &= ~(mask << shift);
- insn |= (imm & mask) << shift;
-
- return cpu_to_le32(insn);
-}
-
-static int reloc_insn_movw(enum aarch64_reloc_op op, void *place, u64 val,
- int lsb, enum aarch64_imm_type imm_type)
-{
- u64 imm, limit = 0;
- s64 sval;
- u32 insn = *(u32 *)place;
-
- sval = do_reloc(op, place, val);
- sval >>= lsb;
- imm = sval & 0xffff;
-
/* Update the instruction with the new encoding. */
- *(u32 *)place = encode_insn_immediate(imm_type, insn, imm);
+ insn = aarch64_insn_encode_immediate(imm_type, insn, imm);
+ *(u32 *)place = cpu_to_le32(insn);
/* Shift out the immediate field. */
sval >>= 16;
@@ -206,9 +142,9 @@ static int reloc_insn_movw(enum aarch64_reloc_op op, void *place, u64 val,
* For unsigned immediates, the overflow check is straightforward.
* For signed immediates, the sign bit is actually the bit past the
* most significant bit of the field.
- * The INSN_IMM_16 immediate type is unsigned.
+ * The AARCH64_INSN_IMM_16 immediate type is unsigned.
*/
- if (imm_type != INSN_IMM_16) {
+ if (imm_type != AARCH64_INSN_IMM_16) {
sval++;
limit++;
}
@@ -221,11 +157,11 @@ static int reloc_insn_movw(enum aarch64_reloc_op op, void *place, u64 val,
}
static int reloc_insn_imm(enum aarch64_reloc_op op, void *place, u64 val,
- int lsb, int len, enum aarch64_imm_type imm_type)
+ int lsb, int len, enum aarch64_insn_imm_type imm_type)
{
u64 imm, imm_mask;
s64 sval;
- u32 insn = *(u32 *)place;
+ u32 insn = le32_to_cpu(*(u32 *)place);
/* Calculate the relocation value. */
sval = do_reloc(op, place, val);
@@ -236,7 +172,8 @@ static int reloc_insn_imm(enum aarch64_reloc_op op, void *place, u64 val,
imm = sval & imm_mask;
/* Update the instruction's immediate field. */
- *(u32 *)place = encode_insn_immediate(imm_type, insn, imm);
+ insn = aarch64_insn_encode_immediate(imm_type, insn, imm);
+ *(u32 *)place = cpu_to_le32(insn);
/*
* Extract the upper value bits (including the sign bit) and
@@ -318,125 +255,125 @@ int apply_relocate_add(Elf64_Shdr *sechdrs,
overflow_check = false;
case R_AARCH64_MOVW_UABS_G0:
ovf = reloc_insn_movw(RELOC_OP_ABS, loc, val, 0,
- INSN_IMM_16);
+ AARCH64_INSN_IMM_16);
break;
case R_AARCH64_MOVW_UABS_G1_NC:
overflow_check = false;
case R_AARCH64_MOVW_UABS_G1:
ovf = reloc_insn_movw(RELOC_OP_ABS, loc, val, 16,
- INSN_IMM_16);
+ AARCH64_INSN_IMM_16);
break;
case R_AARCH64_MOVW_UABS_G2_NC:
overflow_check = false;
case R_AARCH64_MOVW_UABS_G2:
ovf = reloc_insn_movw(RELOC_OP_ABS, loc, val, 32,
- INSN_IMM_16);
+ AARCH64_INSN_IMM_16);
break;
case R_AARCH64_MOVW_UABS_G3:
/* We're using the top bits so we can't overflow. */
overflow_check = false;
ovf = reloc_insn_movw(RELOC_OP_ABS, loc, val, 48,
- INSN_IMM_16);
+ AARCH64_INSN_IMM_16);
break;
case R_AARCH64_MOVW_SABS_G0:
ovf = reloc_insn_movw(RELOC_OP_ABS, loc, val, 0,
- INSN_IMM_MOVNZ);
+ AARCH64_INSN_IMM_MOVNZ);
break;
case R_AARCH64_MOVW_SABS_G1:
ovf = reloc_insn_movw(RELOC_OP_ABS, loc, val, 16,
- INSN_IMM_MOVNZ);
+ AARCH64_INSN_IMM_MOVNZ);
break;
case R_AARCH64_MOVW_SABS_G2:
ovf = reloc_insn_movw(RELOC_OP_ABS, loc, val, 32,
- INSN_IMM_MOVNZ);
+ AARCH64_INSN_IMM_MOVNZ);
break;
case R_AARCH64_MOVW_PREL_G0_NC:
overflow_check = false;
ovf = reloc_insn_movw(RELOC_OP_PREL, loc, val, 0,
- INSN_IMM_MOVK);
+ AARCH64_INSN_IMM_MOVK);
break;
case R_AARCH64_MOVW_PREL_G0:
ovf = reloc_insn_movw(RELOC_OP_PREL, loc, val, 0,
- INSN_IMM_MOVNZ);
+ AARCH64_INSN_IMM_MOVNZ);
break;
case R_AARCH64_MOVW_PREL_G1_NC:
overflow_check = false;
ovf = reloc_insn_movw(RELOC_OP_PREL, loc, val, 16,
- INSN_IMM_MOVK);
+ AARCH64_INSN_IMM_MOVK);
break;
case R_AARCH64_MOVW_PREL_G1:
ovf = reloc_insn_movw(RELOC_OP_PREL, loc, val, 16,
- INSN_IMM_MOVNZ);
+ AARCH64_INSN_IMM_MOVNZ);
break;
case R_AARCH64_MOVW_PREL_G2_NC:
overflow_check = false;
ovf = reloc_insn_movw(RELOC_OP_PREL, loc, val, 32,
- INSN_IMM_MOVK);
+ AARCH64_INSN_IMM_MOVK);
break;
case R_AARCH64_MOVW_PREL_G2:
ovf = reloc_insn_movw(RELOC_OP_PREL, loc, val, 32,
- INSN_IMM_MOVNZ);
+ AARCH64_INSN_IMM_MOVNZ);
break;
case R_AARCH64_MOVW_PREL_G3:
/* We're using the top bits so we can't overflow. */
overflow_check = false;
ovf = reloc_insn_movw(RELOC_OP_PREL, loc, val, 48,
- INSN_IMM_MOVNZ);
+ AARCH64_INSN_IMM_MOVNZ);
break;
/* Immediate instruction relocations. */
case R_AARCH64_LD_PREL_LO19:
ovf = reloc_insn_imm(RELOC_OP_PREL, loc, val, 2, 19,
- INSN_IMM_19);
+ AARCH64_INSN_IMM_19);
break;
case R_AARCH64_ADR_PREL_LO21:
ovf = reloc_insn_imm(RELOC_OP_PREL, loc, val, 0, 21,
- INSN_IMM_ADR);
+ AARCH64_INSN_IMM_ADR);
break;
case R_AARCH64_ADR_PREL_PG_HI21_NC:
overflow_check = false;
case R_AARCH64_ADR_PREL_PG_HI21:
ovf = reloc_insn_imm(RELOC_OP_PAGE, loc, val, 12, 21,
- INSN_IMM_ADR);
+ AARCH64_INSN_IMM_ADR);
break;
case R_AARCH64_ADD_ABS_LO12_NC:
case R_AARCH64_LDST8_ABS_LO12_NC:
overflow_check = false;
ovf = reloc_insn_imm(RELOC_OP_ABS, loc, val, 0, 12,
- INSN_IMM_12);
+ AARCH64_INSN_IMM_12);
break;
case R_AARCH64_LDST16_ABS_LO12_NC:
overflow_check = false;
ovf = reloc_insn_imm(RELOC_OP_ABS, loc, val, 1, 11,
- INSN_IMM_12);
+ AARCH64_INSN_IMM_12);
break;
case R_AARCH64_LDST32_ABS_LO12_NC:
overflow_check = false;
ovf = reloc_insn_imm(RELOC_OP_ABS, loc, val, 2, 10,
- INSN_IMM_12);
+ AARCH64_INSN_IMM_12);
break;
case R_AARCH64_LDST64_ABS_LO12_NC:
overflow_check = false;
ovf = reloc_insn_imm(RELOC_OP_ABS, loc, val, 3, 9,
- INSN_IMM_12);
+ AARCH64_INSN_IMM_12);
break;
case R_AARCH64_LDST128_ABS_LO12_NC:
overflow_check = false;
ovf = reloc_insn_imm(RELOC_OP_ABS, loc, val, 4, 8,
- INSN_IMM_12);
+ AARCH64_INSN_IMM_12);
break;
case R_AARCH64_TSTBR14:
ovf = reloc_insn_imm(RELOC_OP_PREL, loc, val, 2, 14,
- INSN_IMM_14);
+ AARCH64_INSN_IMM_14);
break;
case R_AARCH64_CONDBR19:
ovf = reloc_insn_imm(RELOC_OP_PREL, loc, val, 2, 19,
- INSN_IMM_19);
+ AARCH64_INSN_IMM_19);
break;
case R_AARCH64_JUMP26:
case R_AARCH64_CALL26:
ovf = reloc_insn_imm(RELOC_OP_PREL, loc, val, 2, 26,
- INSN_IMM_26);
+ AARCH64_INSN_IMM_26);
break;
default:
diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
index 0e63c98d224..5b1cd792274 100644
--- a/arch/arm64/kernel/perf_event.c
+++ b/arch/arm64/kernel/perf_event.c
@@ -22,6 +22,7 @@
#include <linux/bitmap.h>
#include <linux/interrupt.h>
+#include <linux/irq.h>
#include <linux/kernel.h>
#include <linux/export.h>
#include <linux/perf_event.h>
@@ -363,26 +364,53 @@ validate_group(struct perf_event *event)
}
static void
+armpmu_disable_percpu_irq(void *data)
+{
+ unsigned int irq = *(unsigned int *)data;
+ disable_percpu_irq(irq);
+}
+
+static void
armpmu_release_hardware(struct arm_pmu *armpmu)
{
- int i, irq, irqs;
+ int irq;
+ unsigned int i, irqs;
struct platform_device *pmu_device = armpmu->plat_device;
irqs = min(pmu_device->num_resources, num_possible_cpus());
+ if (!irqs)
+ return;
- for (i = 0; i < irqs; ++i) {
- if (!cpumask_test_and_clear_cpu(i, &armpmu->active_irqs))
- continue;
- irq = platform_get_irq(pmu_device, i);
- if (irq >= 0)
- free_irq(irq, armpmu);
+ irq = platform_get_irq(pmu_device, 0);
+ if (irq <= 0)
+ return;
+
+ if (irq_is_percpu(irq)) {
+ on_each_cpu(armpmu_disable_percpu_irq, &irq, 1);
+ free_percpu_irq(irq, &cpu_hw_events);
+ } else {
+ for (i = 0; i < irqs; ++i) {
+ if (!cpumask_test_and_clear_cpu(i, &armpmu->active_irqs))
+ continue;
+ irq = platform_get_irq(pmu_device, i);
+ if (irq > 0)
+ free_irq(irq, armpmu);
+ }
}
}
+static void
+armpmu_enable_percpu_irq(void *data)
+{
+ unsigned int irq = *(unsigned int *)data;
+ enable_percpu_irq(irq, IRQ_TYPE_NONE);
+}
+
static int
armpmu_reserve_hardware(struct arm_pmu *armpmu)
{
- int i, err, irq, irqs;
+ int err, irq;
+ unsigned int i, irqs;
struct platform_device *pmu_device = armpmu->plat_device;
if (!pmu_device) {
@@ -391,39 +419,59 @@ armpmu_reserve_hardware(struct arm_pmu *armpmu)
}
irqs = min(pmu_device->num_resources, num_possible_cpus());
- if (irqs < 1) {
+ if (!irqs) {
pr_err("no irqs for PMUs defined\n");
return -ENODEV;
}
- for (i = 0; i < irqs; ++i) {
- err = 0;
- irq = platform_get_irq(pmu_device, i);
- if (irq < 0)
- continue;
+ irq = platform_get_irq(pmu_device, 0);
+ if (irq <= 0) {
+ pr_err("failed to get valid irq for PMU device\n");
+ return -ENODEV;
+ }
- /*
- * If we have a single PMU interrupt that we can't shift,
- * assume that we're running on a uniprocessor machine and
- * continue. Otherwise, continue without this interrupt.
- */
- if (irq_set_affinity(irq, cpumask_of(i)) && irqs > 1) {
- pr_warning("unable to set irq affinity (irq=%d, cpu=%u)\n",
- irq, i);
- continue;
- }
+ if (irq_is_percpu(irq)) {
+ err = request_percpu_irq(irq, armpmu->handle_irq,
+ "arm-pmu", &cpu_hw_events);
- err = request_irq(irq, armpmu->handle_irq,
- IRQF_NOBALANCING,
- "arm-pmu", armpmu);
if (err) {
- pr_err("unable to request IRQ%d for ARM PMU counters\n",
- irq);
+ pr_err("unable to request percpu IRQ%d for ARM PMU counters\n",
+ irq);
armpmu_release_hardware(armpmu);
return err;
}
- cpumask_set_cpu(i, &armpmu->active_irqs);
+ on_each_cpu(armpmu_enable_percpu_irq, &irq, 1);
+ } else {
+ for (i = 0; i < irqs; ++i) {
+ err = 0;
+ irq = platform_get_irq(pmu_device, i);
+ if (irq <= 0)
+ continue;
+
+ /*
+ * If we have a single PMU interrupt that we can't shift,
+ * assume that we're running on a uniprocessor machine and
+ * continue. Otherwise, continue without this interrupt.
+ */
+ if (irq_set_affinity(irq, cpumask_of(i)) && irqs > 1) {
+ pr_warning("unable to set irq affinity (irq=%d, cpu=%u)\n",
+ irq, i);
+ continue;
+ }
+
+ err = request_irq(irq, armpmu->handle_irq,
+ IRQF_NOBALANCING,
+ "arm-pmu", armpmu);
+ if (err) {
+ pr_err("unable to request IRQ%d for ARM PMU counters\n",
+ irq);
+ armpmu_release_hardware(armpmu);
+ return err;
+ }
+
+ cpumask_set_cpu(i, &armpmu->active_irqs);
+ }
}
return 0;
diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c
index de17c89985d..248a15db37f 100644
--- a/arch/arm64/kernel/process.c
+++ b/arch/arm64/kernel/process.c
@@ -33,6 +33,7 @@
#include <linux/kallsyms.h>
#include <linux/init.h>
#include <linux/cpu.h>
+#include <linux/cpuidle.h>
#include <linux/elfcore.h>
#include <linux/pm.h>
#include <linux/tick.h>
@@ -98,8 +99,10 @@ void arch_cpu_idle(void)
* This should do all the clock switching and wait for interrupt
* tricks
*/
- cpu_do_idle();
- local_irq_enable();
+ if (cpuidle_idle_call()) {
+ cpu_do_idle();
+ local_irq_enable();
+ }
}
#ifdef CONFIG_HOTPLUG_CPU
@@ -308,6 +311,7 @@ struct task_struct *__switch_to(struct task_struct *prev,
unsigned long get_wchan(struct task_struct *p)
{
struct stackframe frame;
+ unsigned long stack_page;
int count = 0;
if (!p || p == current || p->state == TASK_RUNNING)
return 0;
@@ -315,9 +319,11 @@ unsigned long get_wchan(struct task_struct *p)
frame.fp = thread_saved_fp(p);
frame.sp = thread_saved_sp(p);
frame.pc = thread_saved_pc(p);
+ stack_page = (unsigned long)task_stack_page(p);
do {
- int ret = unwind_frame(&frame);
- if (ret < 0)
+ if (frame.sp < stack_page ||
+ frame.sp >= stack_page + THREAD_SIZE ||
+ unwind_frame(&frame))
return 0;
if (!in_sched_functions(frame.pc))
return frame.pc;
diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c
index 6777a2192b8..6a8928bba03 100644
--- a/arch/arm64/kernel/ptrace.c
+++ b/arch/arm64/kernel/ptrace.c
@@ -214,31 +214,29 @@ static int ptrace_hbp_fill_attr_ctrl(unsigned int note_type,
{
int err, len, type, disabled = !ctrl.enabled;
- if (disabled) {
- len = 0;
- type = HW_BREAKPOINT_EMPTY;
- } else {
- err = arch_bp_generic_fields(ctrl, &len, &type);
- if (err)
- return err;
-
- switch (note_type) {
- case NT_ARM_HW_BREAK:
- if ((type & HW_BREAKPOINT_X) != type)
- return -EINVAL;
- break;
- case NT_ARM_HW_WATCH:
- if ((type & HW_BREAKPOINT_RW) != type)
- return -EINVAL;
- break;
- default:
+ attr->disabled = disabled;
+ if (disabled)
+ return 0;
+
+ err = arch_bp_generic_fields(ctrl, &len, &type);
+ if (err)
+ return err;
+
+ switch (note_type) {
+ case NT_ARM_HW_BREAK:
+ if ((type & HW_BREAKPOINT_X) != type)
return -EINVAL;
- }
+ break;
+ case NT_ARM_HW_WATCH:
+ if ((type & HW_BREAKPOINT_RW) != type)
+ return -EINVAL;
+ break;
+ default:
+ return -EINVAL;
}
attr->bp_len = len;
attr->bp_type = type;
- attr->disabled = disabled;
return 0;
}
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index bd9bbd0e44e..c8e9effe52e 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -108,20 +108,95 @@ void __init early_print(const char *str, ...)
printk("%s", buf);
}
+void __init smp_setup_processor_id(void)
+{
+ /*
+ * clear __my_cpu_offset on boot CPU to avoid hang caused by
+ * using percpu variable early, for example, lockdep will
+ * access percpu variable inside lock_release
+ */
+ set_my_cpu_offset(0);
+}
+
bool arch_match_cpu_phys_id(int cpu, u64 phys_id)
{
return phys_id == cpu_logical_map(cpu);
}
+struct mpidr_hash mpidr_hash;
+#ifdef CONFIG_SMP
+/**
+ * smp_build_mpidr_hash - Pre-compute shifts required at each affinity
+ * level in order to build a linear index from an
+ * MPIDR value. Resulting algorithm is a collision
+ * free hash carried out through shifting and ORing
+ */
+static void __init smp_build_mpidr_hash(void)
+{
+ u32 i, affinity, fs[4], bits[4], ls;
+ u64 mask = 0;
+ /*
+ * Pre-scan the list of MPIDRS and filter out bits that do
+ * not contribute to affinity levels, ie they never toggle.
+ */
+ for_each_possible_cpu(i)
+ mask |= (cpu_logical_map(i) ^ cpu_logical_map(0));
+ pr_debug("mask of set bits %#llx\n", mask);
+ /*
+ * Find and stash the last and first bit set at all affinity levels to
+ * check how many bits are required to represent them.
+ */
+ for (i = 0; i < 4; i++) {
+ affinity = MPIDR_AFFINITY_LEVEL(mask, i);
+ /*
+ * Find the MSB bit and LSB bits position
+ * to determine how many bits are required
+ * to express the affinity level.
+ */
+ ls = fls(affinity);
+ fs[i] = affinity ? ffs(affinity) - 1 : 0;
+ bits[i] = ls - fs[i];
+ }
+ /*
+ * An index can be created from the MPIDR_EL1 by isolating the
+ * significant bits at each affinity level and by shifting
+ * them in order to compress the 32 bits values space to a
+ * compressed set of values. This is equivalent to hashing
+ * the MPIDR_EL1 through shifting and ORing. It is a collision free
+ * hash though not minimal since some levels might contain a number
+ * of CPUs that is not an exact power of 2 and their bit
+ * representation might contain holes, eg MPIDR_EL1[7:0] = {0x2, 0x80}.
+ */
+ mpidr_hash.shift_aff[0] = MPIDR_LEVEL_SHIFT(0) + fs[0];
+ mpidr_hash.shift_aff[1] = MPIDR_LEVEL_SHIFT(1) + fs[1] - bits[0];
+ mpidr_hash.shift_aff[2] = MPIDR_LEVEL_SHIFT(2) + fs[2] -
+ (bits[1] + bits[0]);
+ mpidr_hash.shift_aff[3] = MPIDR_LEVEL_SHIFT(3) +
+ fs[3] - (bits[2] + bits[1] + bits[0]);
+ mpidr_hash.mask = mask;
+ mpidr_hash.bits = bits[3] + bits[2] + bits[1] + bits[0];
+ pr_debug("MPIDR hash: aff0[%u] aff1[%u] aff2[%u] aff3[%u] mask[%#llx] bits[%u]\n",
+ mpidr_hash.shift_aff[0],
+ mpidr_hash.shift_aff[1],
+ mpidr_hash.shift_aff[2],
+ mpidr_hash.shift_aff[3],
+ mpidr_hash.mask,
+ mpidr_hash.bits);
+ /*
+ * 4x is an arbitrary value used to warn on a hash table much bigger
+ * than expected on most systems.
+ */
+ if (mpidr_hash_size() > 4 * num_possible_cpus())
+ pr_warn("Large number of MPIDR hash buckets detected\n");
+ __flush_dcache_area(&mpidr_hash, sizeof(struct mpidr_hash));
+}
+#endif
+
static void __init setup_processor(void)
{
struct cpu_info *cpu_info;
+ u64 features, block;
- /*
- * locate processor in the list of supported processor
- * types. The linker builds this table for us from the
- * entries in arch/arm/mm/proc.S
- */
cpu_info = lookup_processor_type(read_cpuid_id());
if (!cpu_info) {
printk("CPU configuration botched (ID %08x), unable to continue.\n",
@@ -136,6 +211,37 @@ static void __init setup_processor(void)
sprintf(init_utsname()->machine, ELF_PLATFORM);
elf_hwcap = 0;
+
+ /*
+ * ID_AA64ISAR0_EL1 contains 4-bit wide signed feature blocks.
+ * The blocks we test below represent incremental functionality
+ * for non-negative values. Negative values are reserved.
+ */
+ features = read_cpuid(ID_AA64ISAR0_EL1);
+ block = (features >> 4) & 0xf;
+ if (!(block & 0x8)) {
+ switch (block) {
+ default:
+ case 2:
+ elf_hwcap |= HWCAP_PMULL;
+ case 1:
+ elf_hwcap |= HWCAP_AES;
+ case 0:
+ break;
+ }
+ }
+
+ block = (features >> 8) & 0xf;
+ if (block && !(block & 0x8))
+ elf_hwcap |= HWCAP_SHA1;
+
+ block = (features >> 12) & 0xf;
+ if (block && !(block & 0x8))
+ elf_hwcap |= HWCAP_SHA2;
+
+ block = (features >> 16) & 0xf;
+ if (block && !(block & 0x8))
+ elf_hwcap |= HWCAP_CRC32;
}
static void __init setup_machine_fdt(phys_addr_t dt_phys)
@@ -236,6 +342,7 @@ void __init setup_arch(char **cmdline_p)
cpu_read_bootcpu_ops();
#ifdef CONFIG_SMP
smp_init_cpus();
+ smp_build_mpidr_hash();
#endif
#ifdef CONFIG_VT
@@ -275,6 +382,11 @@ static const char *hwcap_str[] = {
"fp",
"asimd",
"evtstrm",
+ "aes",
+ "pmull",
+ "sha1",
+ "sha2",
+ "crc32",
NULL
};
diff --git a/arch/arm64/kernel/sleep.S b/arch/arm64/kernel/sleep.S
new file mode 100644
index 00000000000..b1925729c69
--- /dev/null
+++ b/arch/arm64/kernel/sleep.S
@@ -0,0 +1,184 @@
+#include <linux/errno.h>
+#include <linux/linkage.h>
+#include <asm/asm-offsets.h>
+#include <asm/assembler.h>
+
+ .text
+/*
+ * Implementation of MPIDR_EL1 hash algorithm through shifting
+ * and OR'ing.
+ *
+ * @dst: register containing hash result
+ * @rs0: register containing affinity level 0 bit shift
+ * @rs1: register containing affinity level 1 bit shift
+ * @rs2: register containing affinity level 2 bit shift
+ * @rs3: register containing affinity level 3 bit shift
+ * @mpidr: register containing MPIDR_EL1 value
+ * @mask: register containing MPIDR mask
+ *
+ * Pseudo C-code:
+ *
+ *u32 dst;
+ *
+ *compute_mpidr_hash(u32 rs0, u32 rs1, u32 rs2, u32 rs3, u64 mpidr, u64 mask) {
+ * u32 aff0, aff1, aff2, aff3;
+ * u64 mpidr_masked = mpidr & mask;
+ * aff0 = mpidr_masked & 0xff;
+ * aff1 = mpidr_masked & 0xff00;
+ * aff2 = mpidr_masked & 0xff0000;
+ * aff2 = mpidr_masked & 0xff00000000;
+ * dst = (aff0 >> rs0 | aff1 >> rs1 | aff2 >> rs2 | aff3 >> rs3);
+ *}
+ * Input registers: rs0, rs1, rs2, rs3, mpidr, mask
+ * Output register: dst
+ * Note: input and output registers must be disjoint register sets
+ (eg: a macro instance with mpidr = x1 and dst = x1 is invalid)
+ */
+ .macro compute_mpidr_hash dst, rs0, rs1, rs2, rs3, mpidr, mask
+ and \mpidr, \mpidr, \mask // mask out MPIDR bits
+ and \dst, \mpidr, #0xff // mask=aff0
+ lsr \dst ,\dst, \rs0 // dst=aff0>>rs0
+ and \mask, \mpidr, #0xff00 // mask = aff1
+ lsr \mask ,\mask, \rs1
+ orr \dst, \dst, \mask // dst|=(aff1>>rs1)
+ and \mask, \mpidr, #0xff0000 // mask = aff2
+ lsr \mask ,\mask, \rs2
+ orr \dst, \dst, \mask // dst|=(aff2>>rs2)
+ and \mask, \mpidr, #0xff00000000 // mask = aff3
+ lsr \mask ,\mask, \rs3
+ orr \dst, \dst, \mask // dst|=(aff3>>rs3)
+ .endm
+/*
+ * Save CPU state for a suspend. This saves callee registers, and allocates
+ * space on the kernel stack to save the CPU specific registers + some
+ * other data for resume.
+ *
+ * x0 = suspend finisher argument
+ */
+ENTRY(__cpu_suspend)
+ stp x29, lr, [sp, #-96]!
+ stp x19, x20, [sp,#16]
+ stp x21, x22, [sp,#32]
+ stp x23, x24, [sp,#48]
+ stp x25, x26, [sp,#64]
+ stp x27, x28, [sp,#80]
+ mov x2, sp
+ sub sp, sp, #CPU_SUSPEND_SZ // allocate cpu_suspend_ctx
+ mov x1, sp
+ /*
+ * x1 now points to struct cpu_suspend_ctx allocated on the stack
+ */
+ str x2, [x1, #CPU_CTX_SP]
+ ldr x2, =sleep_save_sp
+ ldr x2, [x2, #SLEEP_SAVE_SP_VIRT]
+#ifdef CONFIG_SMP
+ mrs x7, mpidr_el1
+ ldr x9, =mpidr_hash
+ ldr x10, [x9, #MPIDR_HASH_MASK]
+ /*
+ * Following code relies on the struct mpidr_hash
+ * members size.
+ */
+ ldp w3, w4, [x9, #MPIDR_HASH_SHIFTS]
+ ldp w5, w6, [x9, #(MPIDR_HASH_SHIFTS + 8)]
+ compute_mpidr_hash x8, x3, x4, x5, x6, x7, x10
+ add x2, x2, x8, lsl #3
+#endif
+ bl __cpu_suspend_finisher
+ /*
+ * Never gets here, unless suspend fails.
+ * Successful cpu_suspend should return from cpu_resume, returning
+ * through this code path is considered an error
+ * If the return value is set to 0 force x0 = -EOPNOTSUPP
+ * to make sure a proper error condition is propagated
+ */
+ cmp x0, #0
+ mov x3, #-EOPNOTSUPP
+ csel x0, x3, x0, eq
+ add sp, sp, #CPU_SUSPEND_SZ // rewind stack pointer
+ ldp x19, x20, [sp, #16]
+ ldp x21, x22, [sp, #32]
+ ldp x23, x24, [sp, #48]
+ ldp x25, x26, [sp, #64]
+ ldp x27, x28, [sp, #80]
+ ldp x29, lr, [sp], #96
+ ret
+ENDPROC(__cpu_suspend)
+ .ltorg
+
+/*
+ * x0 must contain the sctlr value retrieved from restored context
+ */
+ENTRY(cpu_resume_mmu)
+ ldr x3, =cpu_resume_after_mmu
+ msr sctlr_el1, x0 // restore sctlr_el1
+ isb
+ br x3 // global jump to virtual address
+ENDPROC(cpu_resume_mmu)
+cpu_resume_after_mmu:
+ mov x0, #0 // return zero on success
+ ldp x19, x20, [sp, #16]
+ ldp x21, x22, [sp, #32]
+ ldp x23, x24, [sp, #48]
+ ldp x25, x26, [sp, #64]
+ ldp x27, x28, [sp, #80]
+ ldp x29, lr, [sp], #96
+ ret
+ENDPROC(cpu_resume_after_mmu)
+
+ .data
+ENTRY(cpu_resume)
+ bl el2_setup // if in EL2 drop to EL1 cleanly
+#ifdef CONFIG_SMP
+ mrs x1, mpidr_el1
+ adr x4, mpidr_hash_ptr
+ ldr x5, [x4]
+ add x8, x4, x5 // x8 = struct mpidr_hash phys address
+ /* retrieve mpidr_hash members to compute the hash */
+ ldr x2, [x8, #MPIDR_HASH_MASK]
+ ldp w3, w4, [x8, #MPIDR_HASH_SHIFTS]
+ ldp w5, w6, [x8, #(MPIDR_HASH_SHIFTS + 8)]
+ compute_mpidr_hash x7, x3, x4, x5, x6, x1, x2
+ /* x7 contains hash index, let's use it to grab context pointer */
+#else
+ mov x7, xzr
+#endif
+ adr x0, sleep_save_sp
+ ldr x0, [x0, #SLEEP_SAVE_SP_PHYS]
+ ldr x0, [x0, x7, lsl #3]
+ /* load sp from context */
+ ldr x2, [x0, #CPU_CTX_SP]
+ adr x1, sleep_idmap_phys
+ /* load physical address of identity map page table in x1 */
+ ldr x1, [x1]
+ mov sp, x2
+ /*
+ * cpu_do_resume expects x0 to contain context physical address
+ * pointer and x1 to contain physical address of 1:1 page tables
+ */
+ bl cpu_do_resume // PC relative jump, MMU off
+ b cpu_resume_mmu // Resume MMU, never returns
+ENDPROC(cpu_resume)
+
+ .align 3
+mpidr_hash_ptr:
+ /*
+ * offset of mpidr_hash symbol from current location
+ * used to obtain run-time mpidr_hash address with MMU off
+ */
+ .quad mpidr_hash - .
+/*
+ * physical address of identity mapped page tables
+ */
+ .type sleep_idmap_phys, #object
+ENTRY(sleep_idmap_phys)
+ .quad 0
+/*
+ * struct sleep_save_sp {
+ * phys_addr_t *save_ptr_stash;
+ * phys_addr_t save_ptr_stash_phys;
+ * };
+ */
+ .type sleep_save_sp, #object
+ENTRY(sleep_save_sp)
+ .space SLEEP_SAVE_SP_SZ // struct sleep_save_sp
diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
index a0c2ca602cf..1b7617ab499 100644
--- a/arch/arm64/kernel/smp.c
+++ b/arch/arm64/kernel/smp.c
@@ -61,6 +61,7 @@ enum ipi_msg_type {
IPI_CALL_FUNC,
IPI_CALL_FUNC_SINGLE,
IPI_CPU_STOP,
+ IPI_TIMER,
};
/*
@@ -122,8 +123,6 @@ asmlinkage void secondary_start_kernel(void)
struct mm_struct *mm = &init_mm;
unsigned int cpu = smp_processor_id();
- printk("CPU%u: Booted secondary processor\n", cpu);
-
/*
* All kernel threads share the same mm context; grab a
* reference and switch to it.
@@ -132,6 +131,9 @@ asmlinkage void secondary_start_kernel(void)
current->active_mm = mm;
cpumask_set_cpu(cpu, mm_cpumask(mm));
+ set_my_cpu_offset(per_cpu_offset(smp_processor_id()));
+ printk("CPU%u: Booted secondary processor\n", cpu);
+
/*
* TTBR0 is only used for the identity mapping at this stage. Make it
* point to zero page to avoid speculatively fetching new entries.
@@ -271,6 +273,7 @@ void __init smp_cpus_done(unsigned int max_cpus)
void __init smp_prepare_boot_cpu(void)
{
+ set_my_cpu_offset(per_cpu_offset(smp_processor_id()));
}
static void (*smp_cross_call)(const struct cpumask *, unsigned int);
@@ -447,6 +450,7 @@ static const char *ipi_types[NR_IPI] = {
S(IPI_CALL_FUNC, "Function call interrupts"),
S(IPI_CALL_FUNC_SINGLE, "Single function call interrupts"),
S(IPI_CPU_STOP, "CPU stop interrupts"),
+ S(IPI_TIMER, "Timer broadcast interrupts"),
};
void show_ipi_list(struct seq_file *p, int prec)
@@ -532,6 +536,14 @@ void handle_IPI(int ipinr, struct pt_regs *regs)
irq_exit();
break;
+#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
+ case IPI_TIMER:
+ irq_enter();
+ tick_receive_broadcast();
+ irq_exit();
+ break;
+#endif
+
default:
pr_crit("CPU%u: Unknown IPI message 0x%x\n", cpu, ipinr);
break;
@@ -544,6 +556,13 @@ void smp_send_reschedule(int cpu)
smp_cross_call(cpumask_of(cpu), IPI_RESCHEDULE);
}
+#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
+void tick_broadcast(const struct cpumask *mask)
+{
+ smp_cross_call(mask, IPI_TIMER);
+}
+#endif
+
void smp_send_stop(void)
{
unsigned long timeout;
diff --git a/arch/arm64/kernel/stacktrace.c b/arch/arm64/kernel/stacktrace.c
index d25459ff57f..c3b6c63ea5f 100644
--- a/arch/arm64/kernel/stacktrace.c
+++ b/arch/arm64/kernel/stacktrace.c
@@ -43,7 +43,7 @@ int unwind_frame(struct stackframe *frame)
low = frame->sp;
high = ALIGN(low, THREAD_SIZE);
- if (fp < low || fp > high || fp & 0xf)
+ if (fp < low || fp > high - 0x18 || fp & 0xf)
return -EINVAL;
frame->sp = fp + 0x10;
diff --git a/arch/arm64/kernel/suspend.c b/arch/arm64/kernel/suspend.c
new file mode 100644
index 00000000000..430344e2c98
--- /dev/null
+++ b/arch/arm64/kernel/suspend.c
@@ -0,0 +1,132 @@
+#include <linux/slab.h>
+#include <asm/cacheflush.h>
+#include <asm/cpu_ops.h>
+#include <asm/debug-monitors.h>
+#include <asm/pgtable.h>
+#include <asm/memory.h>
+#include <asm/smp_plat.h>
+#include <asm/suspend.h>
+#include <asm/tlbflush.h>
+
+extern int __cpu_suspend(unsigned long);
+/*
+ * This is called by __cpu_suspend() to save the state, and do whatever
+ * flushing is required to ensure that when the CPU goes to sleep we have
+ * the necessary data available when the caches are not searched.
+ *
+ * @arg: Argument to pass to suspend operations
+ * @ptr: CPU context virtual address
+ * @save_ptr: address of the location where the context physical address
+ * must be saved
+ */
+int __cpu_suspend_finisher(unsigned long arg, struct cpu_suspend_ctx *ptr,
+ phys_addr_t *save_ptr)
+{
+ int cpu = smp_processor_id();
+
+ *save_ptr = virt_to_phys(ptr);
+
+ cpu_do_suspend(ptr);
+ /*
+ * Only flush the context that must be retrieved with the MMU
+ * off. VA primitives ensure the flush is applied to all
+ * cache levels so context is pushed to DRAM.
+ */
+ __flush_dcache_area(ptr, sizeof(*ptr));
+ __flush_dcache_area(save_ptr, sizeof(*save_ptr));
+
+ return cpu_ops[cpu]->cpu_suspend(arg);
+}
+
+/*
+ * This hook is provided so that cpu_suspend code can restore HW
+ * breakpoints as early as possible in the resume path, before reenabling
+ * debug exceptions. Code cannot be run from a CPU PM notifier since by the
+ * time the notifier runs debug exceptions might have been enabled already,
+ * with HW breakpoints registers content still in an unknown state.
+ */
+void (*hw_breakpoint_restore)(void *);
+void __init cpu_suspend_set_dbg_restorer(void (*hw_bp_restore)(void *))
+{
+ /* Prevent multiple restore hook initializations */
+ if (WARN_ON(hw_breakpoint_restore))
+ return;
+ hw_breakpoint_restore = hw_bp_restore;
+}
+
+/**
+ * cpu_suspend
+ *
+ * @arg: argument to pass to the finisher function
+ */
+int cpu_suspend(unsigned long arg)
+{
+ struct mm_struct *mm = current->active_mm;
+ int ret, cpu = smp_processor_id();
+ unsigned long flags;
+
+ /*
+ * If cpu_ops have not been registered or suspend
+ * has not been initialized, cpu_suspend call fails early.
+ */
+ if (!cpu_ops[cpu] || !cpu_ops[cpu]->cpu_suspend)
+ return -EOPNOTSUPP;
+
+ /*
+ * From this point debug exceptions are disabled to prevent
+ * updates to mdscr register (saved and restored along with
+ * general purpose registers) from kernel debuggers.
+ */
+ local_dbg_save(flags);
+
+ /*
+ * mm context saved on the stack, it will be restored when
+ * the cpu comes out of reset through the identity mapped
+ * page tables, so that the thread address space is properly
+ * set-up on function return.
+ */
+ ret = __cpu_suspend(arg);
+ if (ret == 0) {
+ cpu_switch_mm(mm->pgd, mm);
+ flush_tlb_all();
+ /*
+ * Restore HW breakpoint registers to sane values
+ * before debug exceptions are possibly reenabled
+ * through local_dbg_restore.
+ */
+ if (hw_breakpoint_restore)
+ hw_breakpoint_restore(NULL);
+ }
+
+ /*
+ * Restore pstate flags. OS lock and mdscr have been already
+ * restored, so from this point onwards, debugging is fully
+ * renabled if it was enabled when core started shutdown.
+ */
+ local_dbg_restore(flags);
+
+ return ret;
+}
+
+extern struct sleep_save_sp sleep_save_sp;
+extern phys_addr_t sleep_idmap_phys;
+
+static int cpu_suspend_init(void)
+{
+ void *ctx_ptr;
+
+ /* ctx_ptr is an array of physical addresses */
+ ctx_ptr = kcalloc(mpidr_hash_size(), sizeof(phys_addr_t), GFP_KERNEL);
+
+ if (WARN_ON(!ctx_ptr))
+ return -ENOMEM;
+
+ sleep_save_sp.save_ptr_stash = ctx_ptr;
+ sleep_save_sp.save_ptr_stash_phys = virt_to_phys(ctx_ptr);
+ sleep_idmap_phys = virt_to_phys(idmap_pg_dir);
+ __flush_dcache_area(&sleep_save_sp, sizeof(struct sleep_save_sp));
+ __flush_dcache_area(&sleep_idmap_phys, sizeof(sleep_idmap_phys));
+
+ return 0;
+}
+early_initcall(cpu_suspend_init);
diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S
index 5161ad99209..4ba7a55b49c 100644
--- a/arch/arm64/kernel/vmlinux.lds.S
+++ b/arch/arm64/kernel/vmlinux.lds.S
@@ -99,17 +99,14 @@ SECTIONS
. = ALIGN(PAGE_SIZE);
_data = .;
- __data_loc = _data - LOAD_OFFSET;
_sdata = .;
RW_DATA_SECTION(64, PAGE_SIZE, THREAD_SIZE)
_edata = .;
- _edata_loc = __data_loc + SIZEOF(.data);
BSS_SECTION(0, 0, 0)
_end = .;
STABS_DEBUG
- .comment 0 : { *(.comment) }
}
/*
diff --git a/arch/arm64/kvm/handle_exit.c b/arch/arm64/kvm/handle_exit.c
index df84d7bcc7d..7bc41eab4c6 100644
--- a/arch/arm64/kvm/handle_exit.c
+++ b/arch/arm64/kvm/handle_exit.c
@@ -87,7 +87,7 @@ static exit_handle_fn kvm_get_exit_handler(struct kvm_vcpu *vcpu)
if (hsr_ec >= ARRAY_SIZE(arm_exit_handlers) ||
!arm_exit_handlers[hsr_ec]) {
- kvm_err("Unkown exception class: hsr: %#08x\n",
+ kvm_err("Unknown exception class: hsr: %#08x\n",
(unsigned int)kvm_vcpu_get_hsr(vcpu));
BUG();
}
diff --git a/arch/arm64/lib/Makefile b/arch/arm64/lib/Makefile
index 59acc0ef046..328ce1a99da 100644
--- a/arch/arm64/lib/Makefile
+++ b/arch/arm64/lib/Makefile
@@ -1,6 +1,4 @@
-lib-y := bitops.o delay.o \
- strncpy_from_user.o strnlen_user.o clear_user.o \
- copy_from_user.o copy_to_user.o copy_in_user.o \
- copy_page.o clear_page.o \
- memchr.o memcpy.o memmove.o memset.o \
+lib-y := bitops.o clear_user.o delay.o copy_from_user.o \
+ copy_to_user.o copy_in_user.o copy_page.o \
+ clear_page.o memchr.o memcpy.o memmove.o memset.o \
strchr.o strrchr.o
diff --git a/arch/arm64/lib/strncpy_from_user.S b/arch/arm64/lib/strncpy_from_user.S
deleted file mode 100644
index 56e448a831a..00000000000
--- a/arch/arm64/lib/strncpy_from_user.S
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * Based on arch/arm/lib/strncpy_from_user.S
- *
- * Copyright (C) 1995-2000 Russell King
- * Copyright (C) 2012 ARM Ltd.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <linux/linkage.h>
-#include <asm/assembler.h>
-#include <asm/errno.h>
-
- .text
- .align 5
-
-/*
- * Copy a string from user space to kernel space.
- * x0 = dst, x1 = src, x2 = byte length
- * returns the number of characters copied (strlen of copied string),
- * -EFAULT on exception, or "len" if we fill the whole buffer
- */
-ENTRY(__strncpy_from_user)
- mov x4, x1
-1: subs x2, x2, #1
- bmi 2f
-USER(9f, ldrb w3, [x1], #1 )
- strb w3, [x0], #1
- cbnz w3, 1b
- sub x1, x1, #1 // take NUL character out of count
-2: sub x0, x1, x4
- ret
-ENDPROC(__strncpy_from_user)
-
- .section .fixup,"ax"
- .align 0
-9: strb wzr, [x0] // null terminate
- mov x0, #-EFAULT
- ret
- .previous
diff --git a/arch/arm64/lib/strnlen_user.S b/arch/arm64/lib/strnlen_user.S
deleted file mode 100644
index 7f7b176a564..00000000000
--- a/arch/arm64/lib/strnlen_user.S
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * Based on arch/arm/lib/strnlen_user.S
- *
- * Copyright (C) 1995-2000 Russell King
- * Copyright (C) 2012 ARM Ltd.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <linux/linkage.h>
-#include <asm/assembler.h>
-#include <asm/errno.h>
-
- .text
- .align 5
-
-/* Prototype: unsigned long __strnlen_user(const char *str, long n)
- * Purpose : get length of a string in user memory
- * Params : str - address of string in user memory
- * Returns : length of string *including terminator*
- * or zero on exception, or n if too long
- */
-ENTRY(__strnlen_user)
- mov x2, x0
-1: subs x1, x1, #1
- b.mi 2f
-USER(9f, ldrb w3, [x0], #1 )
- cbnz w3, 1b
-2: sub x0, x0, x2
- ret
-ENDPROC(__strnlen_user)
-
- .section .fixup,"ax"
- .align 0
-9: mov x0, #0
- ret
- .previous
diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c
index 4bd7579ec9e..45b5ab54c9e 100644
--- a/arch/arm64/mm/dma-mapping.c
+++ b/arch/arm64/mm/dma-mapping.c
@@ -21,6 +21,7 @@
#include <linux/export.h>
#include <linux/slab.h>
#include <linux/dma-mapping.h>
+#include <linux/dma-contiguous.h>
#include <linux/vmalloc.h>
#include <linux/swiotlb.h>
@@ -33,17 +34,47 @@ static void *arm64_swiotlb_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t flags,
struct dma_attrs *attrs)
{
+ if (dev == NULL) {
+ WARN_ONCE(1, "Use an actual device structure for DMA allocation\n");
+ return NULL;
+ }
+
if (IS_ENABLED(CONFIG_ZONE_DMA32) &&
dev->coherent_dma_mask <= DMA_BIT_MASK(32))
flags |= GFP_DMA32;
- return swiotlb_alloc_coherent(dev, size, dma_handle, flags);
+ if (IS_ENABLED(CONFIG_DMA_CMA)) {
+ struct page *page;
+
+ page = dma_alloc_from_contiguous(dev, size >> PAGE_SHIFT,
+ get_order(size));
+ if (!page)
+ return NULL;
+
+ *dma_handle = phys_to_dma(dev, page_to_phys(page));
+ return page_address(page);
+ } else {
+ return swiotlb_alloc_coherent(dev, size, dma_handle, flags);
+ }
}
static void arm64_swiotlb_free_coherent(struct device *dev, size_t size,
void *vaddr, dma_addr_t dma_handle,
struct dma_attrs *attrs)
{
- swiotlb_free_coherent(dev, size, vaddr, dma_handle);
+ if (dev == NULL) {
+ WARN_ONCE(1, "Use an actual device structure for DMA allocation\n");
+ return;
+ }
+
+ if (IS_ENABLED(CONFIG_DMA_CMA)) {
+ phys_addr_t paddr = dma_to_phys(dev, dma_handle);
+
+ dma_release_from_contiguous(dev,
+ phys_to_page(paddr),
+ size >> PAGE_SHIFT);
+ } else {
+ swiotlb_free_coherent(dev, size, vaddr, dma_handle);
+ }
}
static struct dma_map_ops arm64_swiotlb_dma_ops = {
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 0cb8742de4f..d0b4c2efda9 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -30,6 +30,7 @@
#include <linux/memblock.h>
#include <linux/sort.h>
#include <linux/of_fdt.h>
+#include <linux/dma-contiguous.h>
#include <asm/sections.h>
#include <asm/setup.h>
@@ -159,6 +160,8 @@ void __init arm64_memblock_init(void)
memblock_reserve(base, size);
}
+ dma_contiguous_reserve(0);
+
memblock_allow_resize();
memblock_dump_all();
}
diff --git a/arch/arm64/mm/proc.S b/arch/arm64/mm/proc.S
index 421b99fd635..bed1f1de1ca 100644
--- a/arch/arm64/mm/proc.S
+++ b/arch/arm64/mm/proc.S
@@ -80,6 +80,75 @@ ENTRY(cpu_do_idle)
ret
ENDPROC(cpu_do_idle)
+#ifdef CONFIG_ARM64_CPU_SUSPEND
+/**
+ * cpu_do_suspend - save CPU registers context
+ *
+ * x0: virtual address of context pointer
+ */
+ENTRY(cpu_do_suspend)
+ mrs x2, tpidr_el0
+ mrs x3, tpidrro_el0
+ mrs x4, contextidr_el1
+ mrs x5, mair_el1
+ mrs x6, cpacr_el1
+ mrs x7, ttbr1_el1
+ mrs x8, tcr_el1
+ mrs x9, vbar_el1
+ mrs x10, mdscr_el1
+ mrs x11, oslsr_el1
+ mrs x12, sctlr_el1
+ stp x2, x3, [x0]
+ stp x4, x5, [x0, #16]
+ stp x6, x7, [x0, #32]
+ stp x8, x9, [x0, #48]
+ stp x10, x11, [x0, #64]
+ str x12, [x0, #80]
+ ret
+ENDPROC(cpu_do_suspend)
+
+/**
+ * cpu_do_resume - restore CPU register context
+ *
+ * x0: Physical address of context pointer
+ * x1: ttbr0_el1 to be restored
+ *
+ * Returns:
+ * sctlr_el1 value in x0
+ */
+ENTRY(cpu_do_resume)
+ /*
+ * Invalidate local tlb entries before turning on MMU
+ */
+ tlbi vmalle1
+ ldp x2, x3, [x0]
+ ldp x4, x5, [x0, #16]
+ ldp x6, x7, [x0, #32]
+ ldp x8, x9, [x0, #48]
+ ldp x10, x11, [x0, #64]
+ ldr x12, [x0, #80]
+ msr tpidr_el0, x2
+ msr tpidrro_el0, x3
+ msr contextidr_el1, x4
+ msr mair_el1, x5
+ msr cpacr_el1, x6
+ msr ttbr0_el1, x1
+ msr ttbr1_el1, x7
+ msr tcr_el1, x8
+ msr vbar_el1, x9
+ msr mdscr_el1, x10
+ /*
+ * Restore oslsr_el1 by writing oslar_el1
+ */
+ ubfx x11, x11, #1, #1
+ msr oslar_el1, x11
+ mov x0, x12
+ dsb nsh // Make sure local tlb invalidation completed
+ isb
+ ret
+ENDPROC(cpu_do_resume)
+#endif
+
/*
* cpu_switch_mm(pgd_phys, tsk)
*
@@ -111,12 +180,12 @@ ENTRY(__cpu_setup)
bl __flush_dcache_all
mov lr, x28
ic iallu // I+BTB cache invalidate
+ tlbi vmalle1is // invalidate I + D TLBs
dsb sy
mov x0, #3 << 20
msr cpacr_el1, x0 // Enable FP/ASIMD
msr mdscr_el1, xzr // Reset mdscr_el1
- tlbi vmalle1is // invalidate I + D TLBs
/*
* Memory region attributes for LPAE:
*
diff --git a/arch/avr32/boards/favr-32/setup.c b/arch/avr32/boards/favr-32/setup.c
index 7b1f2cd8540..1f121497b51 100644
--- a/arch/avr32/boards/favr-32/setup.c
+++ b/arch/avr32/boards/favr-32/setup.c
@@ -298,8 +298,10 @@ static int __init set_abdac_rate(struct platform_device *pdev)
*/
retval = clk_round_rate(pll1,
CONFIG_BOARD_FAVR32_ABDAC_RATE * 256 * 16);
- if (retval < 0)
+ if (retval <= 0) {
+ retval = -EINVAL;
goto out_abdac;
+ }
retval = clk_set_rate(pll1, retval);
if (retval != 0)
diff --git a/arch/avr32/configs/atngw100_defconfig b/arch/avr32/configs/atngw100_defconfig
index d5aff36ade9..4733e38e7ae 100644
--- a/arch/avr32/configs/atngw100_defconfig
+++ b/arch/avr32/configs/atngw100_defconfig
@@ -59,7 +59,6 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_FW_LOADER is not set
CONFIG_MTD=y
-CONFIG_MTD_PARTITIONS=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_CHAR=y
CONFIG_MTD_BLOCK=y
diff --git a/arch/avr32/configs/atngw100_evklcd100_defconfig b/arch/avr32/configs/atngw100_evklcd100_defconfig
index 4abcf435d59..1be0ee31bd9 100644
--- a/arch/avr32/configs/atngw100_evklcd100_defconfig
+++ b/arch/avr32/configs/atngw100_evklcd100_defconfig
@@ -61,7 +61,6 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_FW_LOADER is not set
CONFIG_MTD=y
-CONFIG_MTD_PARTITIONS=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_CHAR=y
CONFIG_MTD_BLOCK=y
diff --git a/arch/avr32/configs/atngw100_evklcd101_defconfig b/arch/avr32/configs/atngw100_evklcd101_defconfig
index 18f3fa0470f..796e536f7bc 100644
--- a/arch/avr32/configs/atngw100_evklcd101_defconfig
+++ b/arch/avr32/configs/atngw100_evklcd101_defconfig
@@ -60,7 +60,6 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_FW_LOADER is not set
CONFIG_MTD=y
-CONFIG_MTD_PARTITIONS=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_CHAR=y
CONFIG_MTD_BLOCK=y
diff --git a/arch/avr32/configs/atngw100_mrmt_defconfig b/arch/avr32/configs/atngw100_mrmt_defconfig
index 06e389cfcd1..9a57da44eb6 100644
--- a/arch/avr32/configs/atngw100_mrmt_defconfig
+++ b/arch/avr32/configs/atngw100_mrmt_defconfig
@@ -48,7 +48,6 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_FW_LOADER is not set
CONFIG_MTD=y
-CONFIG_MTD_PARTITIONS=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_CHAR=y
CONFIG_MTD_BLOCK=y
diff --git a/arch/avr32/configs/atngw100mkii_defconfig b/arch/avr32/configs/atngw100mkii_defconfig
index 2518a1368d7..97fe1b399b0 100644
--- a/arch/avr32/configs/atngw100mkii_defconfig
+++ b/arch/avr32/configs/atngw100mkii_defconfig
@@ -59,7 +59,6 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_FW_LOADER is not set
CONFIG_MTD=y
-CONFIG_MTD_PARTITIONS=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_CHAR=y
CONFIG_MTD_BLOCK=y
diff --git a/arch/avr32/configs/atngw100mkii_evklcd100_defconfig b/arch/avr32/configs/atngw100mkii_evklcd100_defconfig
index 245ef6bd0fa..a176d24467e 100644
--- a/arch/avr32/configs/atngw100mkii_evklcd100_defconfig
+++ b/arch/avr32/configs/atngw100mkii_evklcd100_defconfig
@@ -62,7 +62,6 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_FW_LOADER is not set
CONFIG_MTD=y
-CONFIG_MTD_PARTITIONS=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_CHAR=y
CONFIG_MTD_BLOCK=y
diff --git a/arch/avr32/configs/atngw100mkii_evklcd101_defconfig b/arch/avr32/configs/atngw100mkii_evklcd101_defconfig
index fa6cbac6e41..d1bf6dcfc47 100644
--- a/arch/avr32/configs/atngw100mkii_evklcd101_defconfig
+++ b/arch/avr32/configs/atngw100mkii_evklcd101_defconfig
@@ -61,7 +61,6 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_FW_LOADER is not set
CONFIG_MTD=y
-CONFIG_MTD_PARTITIONS=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_CHAR=y
CONFIG_MTD_BLOCK=y
diff --git a/arch/avr32/configs/atstk1002_defconfig b/arch/avr32/configs/atstk1002_defconfig
index bbd5131021a..2813dd2b913 100644
--- a/arch/avr32/configs/atstk1002_defconfig
+++ b/arch/avr32/configs/atstk1002_defconfig
@@ -53,7 +53,6 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_FW_LOADER is not set
CONFIG_MTD=y
-CONFIG_MTD_PARTITIONS=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_CHAR=y
CONFIG_MTD_BLOCK=y
diff --git a/arch/avr32/configs/atstk1003_defconfig b/arch/avr32/configs/atstk1003_defconfig
index c1cd726f901..f8ff3a3baad 100644
--- a/arch/avr32/configs/atstk1003_defconfig
+++ b/arch/avr32/configs/atstk1003_defconfig
@@ -42,7 +42,6 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_FW_LOADER is not set
CONFIG_MTD=y
-CONFIG_MTD_PARTITIONS=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_CHAR=y
CONFIG_MTD_BLOCK=y
diff --git a/arch/avr32/configs/atstk1004_defconfig b/arch/avr32/configs/atstk1004_defconfig
index 754ae56b276..992228e54e3 100644
--- a/arch/avr32/configs/atstk1004_defconfig
+++ b/arch/avr32/configs/atstk1004_defconfig
@@ -42,7 +42,6 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_FW_LOADER is not set
CONFIG_MTD=y
-CONFIG_MTD_PARTITIONS=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_CHAR=y
CONFIG_MTD_BLOCK=y
diff --git a/arch/avr32/configs/atstk1006_defconfig b/arch/avr32/configs/atstk1006_defconfig
index 58589d8cc0a..b8e698b0d1f 100644
--- a/arch/avr32/configs/atstk1006_defconfig
+++ b/arch/avr32/configs/atstk1006_defconfig
@@ -54,7 +54,6 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_FW_LOADER is not set
CONFIG_MTD=y
-CONFIG_MTD_PARTITIONS=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_CHAR=y
CONFIG_MTD_BLOCK=y
diff --git a/arch/avr32/configs/favr-32_defconfig b/arch/avr32/configs/favr-32_defconfig
index c90fbf6d35b..07bed3f7eb5 100644
--- a/arch/avr32/configs/favr-32_defconfig
+++ b/arch/avr32/configs/favr-32_defconfig
@@ -58,7 +58,6 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_FW_LOADER is not set
CONFIG_MTD=y
-CONFIG_MTD_PARTITIONS=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_CHAR=y
CONFIG_MTD_BLOCK=y
diff --git a/arch/avr32/configs/hammerhead_defconfig b/arch/avr32/configs/hammerhead_defconfig
index ba7c31e269c..18db853386c 100644
--- a/arch/avr32/configs/hammerhead_defconfig
+++ b/arch/avr32/configs/hammerhead_defconfig
@@ -58,7 +58,6 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_FW_LOADER is not set
CONFIG_MTD=y
-CONFIG_MTD_PARTITIONS=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_CHAR=y
CONFIG_MTD_BLOCK=y
diff --git a/arch/avr32/configs/merisc_defconfig b/arch/avr32/configs/merisc_defconfig
index 65de4431108..91df6b2986b 100644
--- a/arch/avr32/configs/merisc_defconfig
+++ b/arch/avr32/configs/merisc_defconfig
@@ -46,7 +46,6 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_FW_LOADER is not set
CONFIG_MTD=y
CONFIG_MTD_CONCAT=y
-CONFIG_MTD_PARTITIONS=y
CONFIG_MTD_CHAR=y
CONFIG_MTD_BLOCK=y
CONFIG_MTD_CFI=y
diff --git a/arch/avr32/configs/mimc200_defconfig b/arch/avr32/configs/mimc200_defconfig
index 0a8bfdc420e..d630e089dd3 100644
--- a/arch/avr32/configs/mimc200_defconfig
+++ b/arch/avr32/configs/mimc200_defconfig
@@ -49,7 +49,6 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_FW_LOADER is not set
CONFIG_MTD=y
-CONFIG_MTD_PARTITIONS=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_CHAR=y
CONFIG_MTD_BLOCK=y
diff --git a/arch/avr32/include/asm/barrier.h b/arch/avr32/include/asm/barrier.h
index 0961275373d..715100790fd 100644
--- a/arch/avr32/include/asm/barrier.h
+++ b/arch/avr32/include/asm/barrier.h
@@ -8,22 +8,15 @@
#ifndef __ASM_AVR32_BARRIER_H
#define __ASM_AVR32_BARRIER_H
-#define nop() asm volatile("nop")
-
-#define mb() asm volatile("" : : : "memory")
-#define rmb() mb()
-#define wmb() asm volatile("sync 0" : : : "memory")
-#define read_barrier_depends() do { } while(0)
-#define set_mb(var, value) do { var = value; mb(); } while(0)
+/*
+ * Weirdest thing ever.. no full barrier, but it has a write barrier!
+ */
+#define wmb() asm volatile("sync 0" : : : "memory")
#ifdef CONFIG_SMP
# error "The AVR32 port does not support SMP"
-#else
-# define smp_mb() barrier()
-# define smp_rmb() barrier()
-# define smp_wmb() barrier()
-# define smp_read_barrier_depends() do { } while(0)
#endif
+#include <asm-generic/barrier.h>
#endif /* __ASM_AVR32_BARRIER_H */
diff --git a/arch/avr32/kernel/time.c b/arch/avr32/kernel/time.c
index 12f828ad505..d0f771be9e9 100644
--- a/arch/avr32/kernel/time.c
+++ b/arch/avr32/kernel/time.c
@@ -59,7 +59,7 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
static struct irqaction timer_irqaction = {
.handler = timer_interrupt,
/* Oprofile uses the same irq as the timer, so allow it to be shared */
- .flags = IRQF_TIMER | IRQF_DISABLED | IRQF_SHARED,
+ .flags = IRQF_TIMER | IRQF_SHARED,
.name = "avr32_comparator",
};
diff --git a/arch/avr32/mach-at32ap/pm.c b/arch/avr32/mach-at32ap/pm.c
index 32d680eb6f4..db190842b80 100644
--- a/arch/avr32/mach-at32ap/pm.c
+++ b/arch/avr32/mach-at32ap/pm.c
@@ -181,7 +181,7 @@ static const struct platform_suspend_ops avr32_pm_ops = {
.enter = avr32_pm_enter,
};
-static unsigned long avr32_pm_offset(void *symbol)
+static unsigned long __init avr32_pm_offset(void *symbol)
{
extern u8 pm_exception[];
diff --git a/arch/blackfin/include/asm/barrier.h b/arch/blackfin/include/asm/barrier.h
index ebb189507dd..19283a16ac0 100644
--- a/arch/blackfin/include/asm/barrier.h
+++ b/arch/blackfin/include/asm/barrier.h
@@ -23,26 +23,10 @@
# define rmb() do { barrier(); smp_check_barrier(); } while (0)
# define wmb() do { barrier(); smp_mark_barrier(); } while (0)
# define read_barrier_depends() do { barrier(); smp_check_barrier(); } while (0)
-#else
-# define mb() barrier()
-# define rmb() barrier()
-# define wmb() barrier()
-# define read_barrier_depends() do { } while (0)
#endif
-#else /* !CONFIG_SMP */
-
-#define mb() barrier()
-#define rmb() barrier()
-#define wmb() barrier()
-#define read_barrier_depends() do { } while (0)
-
#endif /* !CONFIG_SMP */
-#define smp_mb() mb()
-#define smp_rmb() rmb()
-#define smp_wmb() wmb()
-#define set_mb(var, value) do { var = value; mb(); } while (0)
-#define smp_read_barrier_depends() read_barrier_depends()
+#include <asm-generic/barrier.h>
#endif /* _BLACKFIN_BARRIER_H */
diff --git a/arch/cris/include/asm/Kbuild b/arch/cris/include/asm/Kbuild
index b06caf649a9..199b1a9dab8 100644
--- a/arch/cris/include/asm/Kbuild
+++ b/arch/cris/include/asm/Kbuild
@@ -3,6 +3,7 @@ header-y += arch-v10/
header-y += arch-v32/
+generic-y += barrier.h
generic-y += clkdev.h
generic-y += exec.h
generic-y += kvm_para.h
diff --git a/arch/cris/include/asm/barrier.h b/arch/cris/include/asm/barrier.h
deleted file mode 100644
index 198ad7fa6b2..00000000000
--- a/arch/cris/include/asm/barrier.h
+++ /dev/null
@@ -1,25 +0,0 @@
-#ifndef __ASM_CRIS_BARRIER_H
-#define __ASM_CRIS_BARRIER_H
-
-#define nop() __asm__ __volatile__ ("nop");
-
-#define barrier() __asm__ __volatile__("": : :"memory")
-#define mb() barrier()
-#define rmb() mb()
-#define wmb() mb()
-#define read_barrier_depends() do { } while(0)
-#define set_mb(var, value) do { var = value; mb(); } while (0)
-
-#ifdef CONFIG_SMP
-#define smp_mb() mb()
-#define smp_rmb() rmb()
-#define smp_wmb() wmb()
-#define smp_read_barrier_depends() read_barrier_depends()
-#else
-#define smp_mb() barrier()
-#define smp_rmb() barrier()
-#define smp_wmb() barrier()
-#define smp_read_barrier_depends() do { } while(0)
-#endif
-
-#endif /* __ASM_CRIS_BARRIER_H */
diff --git a/arch/frv/include/asm/barrier.h b/arch/frv/include/asm/barrier.h
index 06776ad9f5e..abbef470154 100644
--- a/arch/frv/include/asm/barrier.h
+++ b/arch/frv/include/asm/barrier.h
@@ -17,13 +17,7 @@
#define mb() asm volatile ("membar" : : :"memory")
#define rmb() asm volatile ("membar" : : :"memory")
#define wmb() asm volatile ("membar" : : :"memory")
-#define read_barrier_depends() do { } while (0)
-#define smp_mb() barrier()
-#define smp_rmb() barrier()
-#define smp_wmb() barrier()
-#define smp_read_barrier_depends() do {} while(0)
-#define set_mb(var, value) \
- do { var = (value); barrier(); } while (0)
+#include <asm-generic/barrier.h>
#endif /* _ASM_BARRIER_H */
diff --git a/arch/hexagon/include/asm/Kbuild b/arch/hexagon/include/asm/Kbuild
index 67c3450309b..ada843c701e 100644
--- a/arch/hexagon/include/asm/Kbuild
+++ b/arch/hexagon/include/asm/Kbuild
@@ -2,6 +2,7 @@
header-y += ucontext.h
generic-y += auxvec.h
+generic-y += barrier.h
generic-y += bug.h
generic-y += bugs.h
generic-y += clkdev.h
diff --git a/arch/hexagon/include/asm/atomic.h b/arch/hexagon/include/asm/atomic.h
index 8a64ff2337f..7aae4cb2a29 100644
--- a/arch/hexagon/include/asm/atomic.h
+++ b/arch/hexagon/include/asm/atomic.h
@@ -160,8 +160,12 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
#define atomic_sub_and_test(i, v) (atomic_sub_return(i, (v)) == 0)
#define atomic_add_negative(i, v) (atomic_add_return(i, (v)) < 0)
-
#define atomic_inc_return(v) (atomic_add_return(1, v))
#define atomic_dec_return(v) (atomic_sub_return(1, v))
+#define smp_mb__before_atomic_dec() barrier()
+#define smp_mb__after_atomic_dec() barrier()
+#define smp_mb__before_atomic_inc() barrier()
+#define smp_mb__after_atomic_inc() barrier()
+
#endif
diff --git a/arch/hexagon/include/asm/barrier.h b/arch/hexagon/include/asm/barrier.h
index 1041a8e70ce..4e863daea25 100644
--- a/arch/hexagon/include/asm/barrier.h
+++ b/arch/hexagon/include/asm/barrier.h
@@ -29,10 +29,6 @@
#define smp_read_barrier_depends() barrier()
#define smp_wmb() barrier()
#define smp_mb() barrier()
-#define smp_mb__before_atomic_dec() barrier()
-#define smp_mb__after_atomic_dec() barrier()
-#define smp_mb__before_atomic_inc() barrier()
-#define smp_mb__after_atomic_inc() barrier()
/* Set a value and use a memory barrier. Used by the scheduler somewhere. */
#define set_mb(var, value) \
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 4e4119b0e69..a8c3a11dc5a 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -147,9 +147,6 @@ config PARAVIRT
over full virtualization. However, when run without a hypervisor
the kernel is theoretically slower and slightly larger.
-
-source "arch/ia64/xen/Kconfig"
-
endif
choice
@@ -175,7 +172,6 @@ config IA64_GENERIC
SGI-SN2 For SGI Altix systems
SGI-UV For SGI UV systems
Ski-simulator For the HP simulator <http://www.hpl.hp.com/research/linux/ski/>
- Xen-domU For xen domU system
If you don't know what to do, choose "generic".
@@ -231,14 +227,6 @@ config IA64_HP_SIM
bool "Ski-simulator"
select SWIOTLB
-config IA64_XEN_GUEST
- bool "Xen guest"
- select SWIOTLB
- depends on XEN
- help
- Build a kernel that runs on Xen guest domain. At this moment only
- 16KB page size in supported.
-
endchoice
choice
diff --git a/arch/ia64/Makefile b/arch/ia64/Makefile
index be7bfa12b70..f37238f45bc 100644
--- a/arch/ia64/Makefile
+++ b/arch/ia64/Makefile
@@ -51,11 +51,9 @@ core-$(CONFIG_IA64_DIG_VTD) += arch/ia64/dig/
core-$(CONFIG_IA64_GENERIC) += arch/ia64/dig/
core-$(CONFIG_IA64_HP_ZX1) += arch/ia64/dig/
core-$(CONFIG_IA64_HP_ZX1_SWIOTLB) += arch/ia64/dig/
-core-$(CONFIG_IA64_XEN_GUEST) += arch/ia64/dig/
core-$(CONFIG_IA64_SGI_SN2) += arch/ia64/sn/
core-$(CONFIG_IA64_SGI_UV) += arch/ia64/uv/
core-$(CONFIG_KVM) += arch/ia64/kvm/
-core-$(CONFIG_XEN) += arch/ia64/xen/
drivers-$(CONFIG_PCI) += arch/ia64/pci/
drivers-$(CONFIG_IA64_HP_SIM) += arch/ia64/hp/sim/
diff --git a/arch/ia64/configs/xen_domu_defconfig b/arch/ia64/configs/xen_domu_defconfig
deleted file mode 100644
index b025acfde5c..00000000000
--- a/arch/ia64/configs/xen_domu_defconfig
+++ /dev/null
@@ -1,199 +0,0 @@
-CONFIG_EXPERIMENTAL=y
-CONFIG_SYSVIPC=y
-CONFIG_POSIX_MQUEUE=y
-CONFIG_IKCONFIG=y
-CONFIG_IKCONFIG_PROC=y
-CONFIG_LOG_BUF_SHIFT=20
-CONFIG_SYSFS_DEPRECATED_V2=y
-CONFIG_BLK_DEV_INITRD=y
-CONFIG_KALLSYMS_ALL=y
-CONFIG_MODULES=y
-CONFIG_MODULE_UNLOAD=y
-CONFIG_MODVERSIONS=y
-CONFIG_MODULE_SRCVERSION_ALL=y
-# CONFIG_BLK_DEV_BSG is not set
-CONFIG_PARAVIRT_GUEST=y
-CONFIG_IA64_XEN_GUEST=y
-CONFIG_MCKINLEY=y
-CONFIG_IA64_CYCLONE=y
-CONFIG_SMP=y
-CONFIG_NR_CPUS=16
-CONFIG_HOTPLUG_CPU=y
-CONFIG_PERMIT_BSP_REMOVE=y
-CONFIG_FORCE_CPEI_RETARGET=y
-CONFIG_IA64_MCA_RECOVERY=y
-CONFIG_PERFMON=y
-CONFIG_IA64_PALINFO=y
-CONFIG_KEXEC=y
-CONFIG_EFI_VARS=y
-CONFIG_BINFMT_MISC=m
-CONFIG_ACPI_PROCFS=y
-CONFIG_ACPI_BUTTON=m
-CONFIG_ACPI_FAN=m
-CONFIG_ACPI_PROCESSOR=m
-CONFIG_ACPI_CONTAINER=m
-CONFIG_HOTPLUG_PCI=y
-CONFIG_HOTPLUG_PCI_ACPI=m
-CONFIG_PACKET=y
-CONFIG_UNIX=y
-CONFIG_INET=y
-CONFIG_IP_MULTICAST=y
-CONFIG_ARPD=y
-CONFIG_SYN_COOKIES=y
-# CONFIG_INET_LRO is not set
-# CONFIG_IPV6 is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
-CONFIG_BLK_DEV_LOOP=m
-CONFIG_BLK_DEV_CRYPTOLOOP=m
-CONFIG_BLK_DEV_NBD=m
-CONFIG_BLK_DEV_RAM=y
-CONFIG_IDE=y
-CONFIG_BLK_DEV_IDECD=y
-CONFIG_BLK_DEV_GENERIC=y
-CONFIG_BLK_DEV_CMD64X=y
-CONFIG_BLK_DEV_PIIX=y
-CONFIG_SCSI=y
-CONFIG_BLK_DEV_SD=y
-CONFIG_CHR_DEV_ST=m
-CONFIG_BLK_DEV_SR=m
-CONFIG_CHR_DEV_SG=m
-CONFIG_SCSI_SYM53C8XX_2=y
-CONFIG_SCSI_QLOGIC_1280=y
-CONFIG_MD=y
-CONFIG_BLK_DEV_MD=m
-CONFIG_MD_LINEAR=m
-CONFIG_MD_RAID0=m
-CONFIG_MD_RAID1=m
-CONFIG_MD_MULTIPATH=m
-CONFIG_BLK_DEV_DM=m
-CONFIG_DM_CRYPT=m
-CONFIG_DM_SNAPSHOT=m
-CONFIG_DM_MIRROR=m
-CONFIG_DM_ZERO=m
-CONFIG_FUSION=y
-CONFIG_FUSION_SPI=y
-CONFIG_FUSION_FC=y
-CONFIG_FUSION_CTL=y
-CONFIG_NETDEVICES=y
-CONFIG_DUMMY=m
-CONFIG_NET_ETHERNET=y
-CONFIG_NET_TULIP=y
-CONFIG_TULIP=m
-CONFIG_NET_PCI=y
-CONFIG_NET_VENDOR_INTEL=y
-CONFIG_E100=m
-CONFIG_E1000=y
-CONFIG_TIGON3=y
-CONFIG_NETCONSOLE=y
-# CONFIG_SERIO_SERPORT is not set
-CONFIG_GAMEPORT=m
-CONFIG_SERIAL_NONSTANDARD=y
-CONFIG_SERIAL_8250=y
-CONFIG_SERIAL_8250_CONSOLE=y
-CONFIG_SERIAL_8250_NR_UARTS=6
-CONFIG_SERIAL_8250_EXTENDED=y
-CONFIG_SERIAL_8250_SHARE_IRQ=y
-# CONFIG_HW_RANDOM is not set
-CONFIG_EFI_RTC=y
-CONFIG_RAW_DRIVER=m
-CONFIG_HPET=y
-CONFIG_AGP=m
-CONFIG_DRM=m
-CONFIG_DRM_TDFX=m
-CONFIG_DRM_R128=m
-CONFIG_DRM_RADEON=m
-CONFIG_DRM_MGA=m
-CONFIG_DRM_SIS=m
-CONFIG_HID_GYRATION=y
-CONFIG_HID_NTRIG=y
-CONFIG_HID_PANTHERLORD=y
-CONFIG_HID_PETALYNX=y
-CONFIG_HID_SAMSUNG=y
-CONFIG_HID_SONY=y
-CONFIG_HID_SUNPLUS=y
-CONFIG_HID_TOPSEED=y
-CONFIG_USB=y
-CONFIG_USB_DEVICEFS=y
-CONFIG_USB_EHCI_HCD=m
-CONFIG_USB_OHCI_HCD=m
-CONFIG_USB_UHCI_HCD=y
-CONFIG_USB_STORAGE=m
-CONFIG_EXT2_FS=y
-CONFIG_EXT2_FS_XATTR=y
-CONFIG_EXT2_FS_POSIX_ACL=y
-CONFIG_EXT2_FS_SECURITY=y
-CONFIG_EXT3_FS=y
-CONFIG_EXT3_FS_POSIX_ACL=y
-CONFIG_EXT3_FS_SECURITY=y
-CONFIG_REISERFS_FS=y
-CONFIG_REISERFS_FS_XATTR=y
-CONFIG_REISERFS_FS_POSIX_ACL=y
-CONFIG_REISERFS_FS_SECURITY=y
-CONFIG_XFS_FS=y
-CONFIG_AUTOFS_FS=y
-CONFIG_AUTOFS4_FS=y
-CONFIG_ISO9660_FS=m
-CONFIG_JOLIET=y
-CONFIG_UDF_FS=m
-CONFIG_VFAT_FS=y
-CONFIG_NTFS_FS=m
-CONFIG_PROC_KCORE=y
-CONFIG_TMPFS=y
-CONFIG_HUGETLBFS=y
-CONFIG_NFS_FS=m
-CONFIG_NFS_V3=y
-CONFIG_NFS_V4=y
-CONFIG_NFSD=m
-CONFIG_NFSD_V4=y
-CONFIG_SMB_FS=m
-CONFIG_SMB_NLS_DEFAULT=y
-CONFIG_CIFS=m
-CONFIG_PARTITION_ADVANCED=y
-CONFIG_SGI_PARTITION=y
-CONFIG_EFI_PARTITION=y
-CONFIG_NLS_CODEPAGE_437=y
-CONFIG_NLS_CODEPAGE_737=m
-CONFIG_NLS_CODEPAGE_775=m
-CONFIG_NLS_CODEPAGE_850=m
-CONFIG_NLS_CODEPAGE_852=m
-CONFIG_NLS_CODEPAGE_855=m
-CONFIG_NLS_CODEPAGE_857=m
-CONFIG_NLS_CODEPAGE_860=m
-CONFIG_NLS_CODEPAGE_861=m
-CONFIG_NLS_CODEPAGE_862=m
-CONFIG_NLS_CODEPAGE_863=m
-CONFIG_NLS_CODEPAGE_864=m
-CONFIG_NLS_CODEPAGE_865=m
-CONFIG_NLS_CODEPAGE_866=m
-CONFIG_NLS_CODEPAGE_869=m
-CONFIG_NLS_CODEPAGE_936=m
-CONFIG_NLS_CODEPAGE_950=m
-CONFIG_NLS_CODEPAGE_932=m
-CONFIG_NLS_CODEPAGE_949=m
-CONFIG_NLS_CODEPAGE_874=m
-CONFIG_NLS_ISO8859_8=m
-CONFIG_NLS_CODEPAGE_1250=m
-CONFIG_NLS_CODEPAGE_1251=m
-CONFIG_NLS_ISO8859_1=y
-CONFIG_NLS_ISO8859_2=m
-CONFIG_NLS_ISO8859_3=m
-CONFIG_NLS_ISO8859_4=m
-CONFIG_NLS_ISO8859_5=m
-CONFIG_NLS_ISO8859_6=m
-CONFIG_NLS_ISO8859_7=m
-CONFIG_NLS_ISO8859_9=m
-CONFIG_NLS_ISO8859_13=m
-CONFIG_NLS_ISO8859_14=m
-CONFIG_NLS_ISO8859_15=m
-CONFIG_NLS_KOI8_R=m
-CONFIG_NLS_KOI8_U=m
-CONFIG_NLS_UTF8=m
-CONFIG_MAGIC_SYSRQ=y
-CONFIG_DEBUG_KERNEL=y
-CONFIG_DEBUG_MUTEXES=y
-# CONFIG_RCU_CPU_STALL_DETECTOR is not set
-CONFIG_IA64_GRANULE_16MB=y
-CONFIG_CRYPTO_ECB=m
-CONFIG_CRYPTO_PCBC=m
-CONFIG_CRYPTO_MD5=y
-# CONFIG_CRYPTO_ANSI_CPRNG is not set
diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c
index 4c530a82fc4..8e858b593e4 100644
--- a/arch/ia64/hp/common/sba_iommu.c
+++ b/arch/ia64/hp/common/sba_iommu.c
@@ -255,7 +255,7 @@ static u64 prefetch_spill_page;
#endif
#ifdef CONFIG_PCI
-# define GET_IOC(dev) (((dev)->bus == &pci_bus_type) \
+# define GET_IOC(dev) ((dev_is_pci(dev)) \
? ((struct ioc *) PCI_CONTROLLER(to_pci_dev(dev))->iommu) : NULL)
#else
# define GET_IOC(dev) NULL
diff --git a/arch/ia64/include/asm/acpi.h b/arch/ia64/include/asm/acpi.h
index faa1bf0da81..d651102a4d4 100644
--- a/arch/ia64/include/asm/acpi.h
+++ b/arch/ia64/include/asm/acpi.h
@@ -111,8 +111,6 @@ static inline const char *acpi_get_sysname (void)
return "uv";
# elif defined (CONFIG_IA64_DIG)
return "dig";
-# elif defined (CONFIG_IA64_XEN_GUEST)
- return "xen";
# elif defined(CONFIG_IA64_DIG_VTD)
return "dig_vtd";
# else
diff --git a/arch/ia64/include/asm/barrier.h b/arch/ia64/include/asm/barrier.h
index 60576e06b6f..d0a69aa35e2 100644
--- a/arch/ia64/include/asm/barrier.h
+++ b/arch/ia64/include/asm/barrier.h
@@ -45,14 +45,37 @@
# define smp_rmb() rmb()
# define smp_wmb() wmb()
# define smp_read_barrier_depends() read_barrier_depends()
+
#else
+
# define smp_mb() barrier()
# define smp_rmb() barrier()
# define smp_wmb() barrier()
# define smp_read_barrier_depends() do { } while(0)
+
#endif
/*
+ * IA64 GCC turns volatile stores into st.rel and volatile loads into ld.acq no
+ * need for asm trickery!
+ */
+
+#define smp_store_release(p, v) \
+do { \
+ compiletime_assert_atomic_type(*p); \
+ barrier(); \
+ ACCESS_ONCE(*p) = (v); \
+} while (0)
+
+#define smp_load_acquire(p) \
+({ \
+ typeof(*p) ___p1 = ACCESS_ONCE(*p); \
+ compiletime_assert_atomic_type(*p); \
+ barrier(); \
+ ___p1; \
+})
+
+/*
* XXX check on this ---I suspect what Linus really wants here is
* acquire vs release semantics but we can't discuss this stuff with
* Linus just yet. Grrr...
diff --git a/arch/ia64/include/asm/machvec.h b/arch/ia64/include/asm/machvec.h
index 2d1ad4b11a8..9c39bdfc2da 100644
--- a/arch/ia64/include/asm/machvec.h
+++ b/arch/ia64/include/asm/machvec.h
@@ -113,8 +113,6 @@ extern void machvec_tlb_migrate_finish (struct mm_struct *);
# include <asm/machvec_sn2.h>
# elif defined (CONFIG_IA64_SGI_UV)
# include <asm/machvec_uv.h>
-# elif defined (CONFIG_IA64_XEN_GUEST)
-# include <asm/machvec_xen.h>
# elif defined (CONFIG_IA64_GENERIC)
# ifdef MACHVEC_PLATFORM_HEADER
diff --git a/arch/ia64/include/asm/machvec_xen.h b/arch/ia64/include/asm/machvec_xen.h
deleted file mode 100644
index 8b8bd0eb392..00000000000
--- a/arch/ia64/include/asm/machvec_xen.h
+++ /dev/null
@@ -1,22 +0,0 @@
-#ifndef _ASM_IA64_MACHVEC_XEN_h
-#define _ASM_IA64_MACHVEC_XEN_h
-
-extern ia64_mv_setup_t dig_setup;
-extern ia64_mv_cpu_init_t xen_cpu_init;
-extern ia64_mv_irq_init_t xen_irq_init;
-extern ia64_mv_send_ipi_t xen_platform_send_ipi;
-
-/*
- * This stuff has dual use!
- *
- * For a generic kernel, the macros are used to initialize the
- * platform's machvec structure. When compiling a non-generic kernel,
- * the macros are used directly.
- */
-#define ia64_platform_name "xen"
-#define platform_setup dig_setup
-#define platform_cpu_init xen_cpu_init
-#define platform_irq_init xen_irq_init
-#define platform_send_ipi xen_platform_send_ipi
-
-#endif /* _ASM_IA64_MACHVEC_XEN_h */
diff --git a/arch/ia64/include/asm/meminit.h b/arch/ia64/include/asm/meminit.h
index 61c7b1750b1..092f1c91b36 100644
--- a/arch/ia64/include/asm/meminit.h
+++ b/arch/ia64/include/asm/meminit.h
@@ -18,7 +18,6 @@
* - crash dumping code reserved region
* - Kernel memory map built from EFI memory map
* - ELF core header
- * - xen start info if CONFIG_XEN
*
* More could be added if necessary
*/
diff --git a/arch/ia64/include/asm/paravirt.h b/arch/ia64/include/asm/paravirt.h
index b149b88ea79..b53518a9802 100644
--- a/arch/ia64/include/asm/paravirt.h
+++ b/arch/ia64/include/asm/paravirt.h
@@ -75,7 +75,6 @@ void *paravirt_get_gate_section(void);
#ifdef CONFIG_PARAVIRT_GUEST
#define PARAVIRT_HYPERVISOR_TYPE_DEFAULT 0
-#define PARAVIRT_HYPERVISOR_TYPE_XEN 1
#ifndef __ASSEMBLY__
diff --git a/arch/ia64/include/asm/pvclock-abi.h b/arch/ia64/include/asm/pvclock-abi.h
index 44ef9ef8f5b..42b233bedeb 100644
--- a/arch/ia64/include/asm/pvclock-abi.h
+++ b/arch/ia64/include/asm/pvclock-abi.h
@@ -11,7 +11,7 @@
/*
* These structs MUST NOT be changed.
* They are the ABI between hypervisor and guest OS.
- * Both Xen and KVM are using this.
+ * KVM is using this.
*
* pvclock_vcpu_time_info holds the system time and the tsc timestamp
* of the last update. So the guest can use the tsc delta to get a
diff --git a/arch/ia64/include/asm/sync_bitops.h b/arch/ia64/include/asm/sync_bitops.h
deleted file mode 100644
index 593c12eeb27..00000000000
--- a/arch/ia64/include/asm/sync_bitops.h
+++ /dev/null
@@ -1,51 +0,0 @@
-#ifndef _ASM_IA64_SYNC_BITOPS_H
-#define _ASM_IA64_SYNC_BITOPS_H
-
-/*
- * Copyright (C) 2008 Isaku Yamahata <yamahata at valinux co jp>
- *
- * Based on synch_bitops.h which Dan Magenhaimer wrote.
- *
- * bit operations which provide guaranteed strong synchronisation
- * when communicating with Xen or other guest OSes running on other CPUs.
- */
-
-static inline void sync_set_bit(int nr, volatile void *addr)
-{
- set_bit(nr, addr);
-}
-
-static inline void sync_clear_bit(int nr, volatile void *addr)
-{
- clear_bit(nr, addr);
-}
-
-static inline void sync_change_bit(int nr, volatile void *addr)
-{
- change_bit(nr, addr);
-}
-
-static inline int sync_test_and_set_bit(int nr, volatile void *addr)
-{
- return test_and_set_bit(nr, addr);
-}
-
-static inline int sync_test_and_clear_bit(int nr, volatile void *addr)
-{
- return test_and_clear_bit(nr, addr);
-}
-
-static inline int sync_test_and_change_bit(int nr, volatile void *addr)
-{
- return test_and_change_bit(nr, addr);
-}
-
-static inline int sync_test_bit(int nr, const volatile void *addr)
-{
- return test_bit(nr, addr);
-}
-
-#define sync_cmpxchg(ptr, old, new) \
- ((__typeof__(*(ptr)))cmpxchg_acq((ptr), (old), (new)))
-
-#endif /* _ASM_IA64_SYNC_BITOPS_H */
diff --git a/arch/ia64/include/asm/xen/events.h b/arch/ia64/include/asm/xen/events.h
deleted file mode 100644
index baa74c82aa7..00000000000
--- a/arch/ia64/include/asm/xen/events.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/******************************************************************************
- * arch/ia64/include/asm/xen/events.h
- *
- * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
- * VA Linux Systems Japan K.K.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-#ifndef _ASM_IA64_XEN_EVENTS_H
-#define _ASM_IA64_XEN_EVENTS_H
-
-enum ipi_vector {
- XEN_RESCHEDULE_VECTOR,
- XEN_IPI_VECTOR,
- XEN_CMCP_VECTOR,
- XEN_CPEP_VECTOR,
-
- XEN_NR_IPIS,
-};
-
-static inline int xen_irqs_disabled(struct pt_regs *regs)
-{
- return !(ia64_psr(regs)->i);
-}
-
-#define irq_ctx_init(cpu) do { } while (0)
-
-#endif /* _ASM_IA64_XEN_EVENTS_H */
diff --git a/arch/ia64/include/asm/xen/hypercall.h b/arch/ia64/include/asm/xen/hypercall.h
deleted file mode 100644
index ed28bcd5bb8..00000000000
--- a/arch/ia64/include/asm/xen/hypercall.h
+++ /dev/null
@@ -1,265 +0,0 @@
-/******************************************************************************
- * hypercall.h
- *
- * Linux-specific hypervisor handling.
- *
- * Copyright (c) 2002-2004, K A Fraser
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation; or, when distributed
- * separately from the Linux kernel or incorporated into other
- * software packages, subject to the following license:
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this source file (the "Software"), to deal in the Software without
- * restriction, including without limitation the rights to use, copy, modify,
- * merge, publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- */
-
-#ifndef _ASM_IA64_XEN_HYPERCALL_H
-#define _ASM_IA64_XEN_HYPERCALL_H
-
-#include <xen/interface/xen.h>
-#include <xen/interface/physdev.h>
-#include <xen/interface/sched.h>
-#include <asm/xen/xcom_hcall.h>
-struct xencomm_handle;
-extern unsigned long __hypercall(unsigned long a1, unsigned long a2,
- unsigned long a3, unsigned long a4,
- unsigned long a5, unsigned long cmd);
-
-/*
- * Assembler stubs for hyper-calls.
- */
-
-#define _hypercall0(type, name) \
-({ \
- long __res; \
- __res = __hypercall(0, 0, 0, 0, 0, __HYPERVISOR_##name);\
- (type)__res; \
-})
-
-#define _hypercall1(type, name, a1) \
-({ \
- long __res; \
- __res = __hypercall((unsigned long)a1, \
- 0, 0, 0, 0, __HYPERVISOR_##name); \
- (type)__res; \
-})
-
-#define _hypercall2(type, name, a1, a2) \
-({ \
- long __res; \
- __res = __hypercall((unsigned long)a1, \
- (unsigned long)a2, \
- 0, 0, 0, __HYPERVISOR_##name); \
- (type)__res; \
-})
-
-#define _hypercall3(type, name, a1, a2, a3) \
-({ \
- long __res; \
- __res = __hypercall((unsigned long)a1, \
- (unsigned long)a2, \
- (unsigned long)a3, \
- 0, 0, __HYPERVISOR_##name); \
- (type)__res; \
-})
-
-#define _hypercall4(type, name, a1, a2, a3, a4) \
-({ \
- long __res; \
- __res = __hypercall((unsigned long)a1, \
- (unsigned long)a2, \
- (unsigned long)a3, \
- (unsigned long)a4, \
- 0, __HYPERVISOR_##name); \
- (type)__res; \
-})
-
-#define _hypercall5(type, name, a1, a2, a3, a4, a5) \
-({ \
- long __res; \
- __res = __hypercall((unsigned long)a1, \
- (unsigned long)a2, \
- (unsigned long)a3, \
- (unsigned long)a4, \
- (unsigned long)a5, \
- __HYPERVISOR_##name); \
- (type)__res; \
-})
-
-
-static inline int
-xencomm_arch_hypercall_sched_op(int cmd, struct xencomm_handle *arg)
-{
- return _hypercall2(int, sched_op, cmd, arg);
-}
-
-static inline long
-HYPERVISOR_set_timer_op(u64 timeout)
-{
- unsigned long timeout_hi = (unsigned long)(timeout >> 32);
- unsigned long timeout_lo = (unsigned long)timeout;
- return _hypercall2(long, set_timer_op, timeout_lo, timeout_hi);
-}
-
-static inline int
-xencomm_arch_hypercall_multicall(struct xencomm_handle *call_list,
- int nr_calls)
-{
- return _hypercall2(int, multicall, call_list, nr_calls);
-}
-
-static inline int
-xencomm_arch_hypercall_memory_op(unsigned int cmd, struct xencomm_handle *arg)
-{
- return _hypercall2(int, memory_op, cmd, arg);
-}
-
-static inline int
-xencomm_arch_hypercall_event_channel_op(int cmd, struct xencomm_handle *arg)
-{
- return _hypercall2(int, event_channel_op, cmd, arg);
-}
-
-static inline int
-xencomm_arch_hypercall_xen_version(int cmd, struct xencomm_handle *arg)
-{
- return _hypercall2(int, xen_version, cmd, arg);
-}
-
-static inline int
-xencomm_arch_hypercall_console_io(int cmd, int count,
- struct xencomm_handle *str)
-{
- return _hypercall3(int, console_io, cmd, count, str);
-}
-
-static inline int
-xencomm_arch_hypercall_physdev_op(int cmd, struct xencomm_handle *arg)
-{
- return _hypercall2(int, physdev_op, cmd, arg);
-}
-
-static inline int
-xencomm_arch_hypercall_grant_table_op(unsigned int cmd,
- struct xencomm_handle *uop,
- unsigned int count)
-{
- return _hypercall3(int, grant_table_op, cmd, uop, count);
-}
-
-int HYPERVISOR_grant_table_op(unsigned int cmd, void *uop, unsigned int count);
-
-extern int xencomm_arch_hypercall_suspend(struct xencomm_handle *arg);
-
-static inline int
-xencomm_arch_hypercall_callback_op(int cmd, struct xencomm_handle *arg)
-{
- return _hypercall2(int, callback_op, cmd, arg);
-}
-
-static inline long
-xencomm_arch_hypercall_vcpu_op(int cmd, int cpu, void *arg)
-{
- return _hypercall3(long, vcpu_op, cmd, cpu, arg);
-}
-
-static inline int
-HYPERVISOR_physdev_op(int cmd, void *arg)
-{
- switch (cmd) {
- case PHYSDEVOP_eoi:
- return _hypercall1(int, ia64_fast_eoi,
- ((struct physdev_eoi *)arg)->irq);
- default:
- return xencomm_hypercall_physdev_op(cmd, arg);
- }
-}
-
-static inline long
-xencomm_arch_hypercall_opt_feature(struct xencomm_handle *arg)
-{
- return _hypercall1(long, opt_feature, arg);
-}
-
-/* for balloon driver */
-#define HYPERVISOR_update_va_mapping(va, new_val, flags) (0)
-
-/* Use xencomm to do hypercalls. */
-#define HYPERVISOR_sched_op xencomm_hypercall_sched_op
-#define HYPERVISOR_event_channel_op xencomm_hypercall_event_channel_op
-#define HYPERVISOR_callback_op xencomm_hypercall_callback_op
-#define HYPERVISOR_multicall xencomm_hypercall_multicall
-#define HYPERVISOR_xen_version xencomm_hypercall_xen_version
-#define HYPERVISOR_console_io xencomm_hypercall_console_io
-#define HYPERVISOR_memory_op xencomm_hypercall_memory_op
-#define HYPERVISOR_suspend xencomm_hypercall_suspend
-#define HYPERVISOR_vcpu_op xencomm_hypercall_vcpu_op
-#define HYPERVISOR_opt_feature xencomm_hypercall_opt_feature
-
-/* to compile gnttab_copy_grant_page() in drivers/xen/core/gnttab.c */
-#define HYPERVISOR_mmu_update(req, count, success_count, domid) ({ BUG(); 0; })
-
-static inline int
-HYPERVISOR_shutdown(
- unsigned int reason)
-{
- struct sched_shutdown sched_shutdown = {
- .reason = reason
- };
-
- int rc = HYPERVISOR_sched_op(SCHEDOP_shutdown, &sched_shutdown);
-
- return rc;
-}
-
-/* for netfront.c, netback.c */
-#define MULTI_UVMFLAGS_INDEX 0 /* XXX any value */
-
-static inline void
-MULTI_update_va_mapping(
- struct multicall_entry *mcl, unsigned long va,
- pte_t new_val, unsigned long flags)
-{
- mcl->op = __HYPERVISOR_update_va_mapping;
- mcl->result = 0;
-}
-
-static inline void
-MULTI_grant_table_op(struct multicall_entry *mcl, unsigned int cmd,
- void *uop, unsigned int count)
-{
- mcl->op = __HYPERVISOR_grant_table_op;
- mcl->args[0] = cmd;
- mcl->args[1] = (unsigned long)uop;
- mcl->args[2] = count;
-}
-
-static inline void
-MULTI_mmu_update(struct multicall_entry *mcl, struct mmu_update *req,
- int count, int *success_count, domid_t domid)
-{
- mcl->op = __HYPERVISOR_mmu_update;
- mcl->args[0] = (unsigned long)req;
- mcl->args[1] = count;
- mcl->args[2] = (unsigned long)success_count;
- mcl->args[3] = domid;
-}
-
-#endif /* _ASM_IA64_XEN_HYPERCALL_H */
diff --git a/arch/ia64/include/asm/xen/hypervisor.h b/arch/ia64/include/asm/xen/hypervisor.h
deleted file mode 100644
index 67455c2ed2b..00000000000
--- a/arch/ia64/include/asm/xen/hypervisor.h
+++ /dev/null
@@ -1,61 +0,0 @@
-/******************************************************************************
- * hypervisor.h
- *
- * Linux-specific hypervisor handling.
- *
- * Copyright (c) 2002-2004, K A Fraser
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation; or, when distributed
- * separately from the Linux kernel or incorporated into other
- * software packages, subject to the following license:
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this source file (the "Software"), to deal in the Software without
- * restriction, including without limitation the rights to use, copy, modify,
- * merge, publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- */
-
-#ifndef _ASM_IA64_XEN_HYPERVISOR_H
-#define _ASM_IA64_XEN_HYPERVISOR_H
-
-#include <linux/err.h>
-#include <xen/interface/xen.h>
-#include <xen/interface/version.h> /* to compile feature.c */
-#include <xen/features.h> /* to comiple xen-netfront.c */
-#include <xen/xen.h>
-#include <asm/xen/hypercall.h>
-
-#ifdef CONFIG_XEN
-extern struct shared_info *HYPERVISOR_shared_info;
-extern struct start_info *xen_start_info;
-
-void __init xen_setup_vcpu_info_placement(void);
-void force_evtchn_callback(void);
-
-/* for drivers/xen/balloon/balloon.c */
-#ifdef CONFIG_XEN_SCRUB_PAGES
-#define scrub_pages(_p, _n) memset((void *)(_p), 0, (_n) << PAGE_SHIFT)
-#else
-#define scrub_pages(_p, _n) ((void)0)
-#endif
-
-/* For setup_arch() in arch/ia64/kernel/setup.c */
-void xen_ia64_enable_opt_feature(void);
-#endif
-
-#endif /* _ASM_IA64_XEN_HYPERVISOR_H */
diff --git a/arch/ia64/include/asm/xen/inst.h b/arch/ia64/include/asm/xen/inst.h
deleted file mode 100644
index c53a4761120..00000000000
--- a/arch/ia64/include/asm/xen/inst.h
+++ /dev/null
@@ -1,486 +0,0 @@
-/******************************************************************************
- * arch/ia64/include/asm/xen/inst.h
- *
- * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
- * VA Linux Systems Japan K.K.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#include <asm/xen/privop.h>
-
-#define ia64_ivt xen_ivt
-#define DO_SAVE_MIN XEN_DO_SAVE_MIN
-
-#define __paravirt_switch_to xen_switch_to
-#define __paravirt_leave_syscall xen_leave_syscall
-#define __paravirt_work_processed_syscall xen_work_processed_syscall
-#define __paravirt_leave_kernel xen_leave_kernel
-#define __paravirt_pending_syscall_end xen_work_pending_syscall_end
-#define __paravirt_work_processed_syscall_target \
- xen_work_processed_syscall
-
-#define paravirt_fsyscall_table xen_fsyscall_table
-#define paravirt_fsys_bubble_down xen_fsys_bubble_down
-
-#define MOV_FROM_IFA(reg) \
- movl reg = XSI_IFA; \
- ;; \
- ld8 reg = [reg]
-
-#define MOV_FROM_ITIR(reg) \
- movl reg = XSI_ITIR; \
- ;; \
- ld8 reg = [reg]
-
-#define MOV_FROM_ISR(reg) \
- movl reg = XSI_ISR; \
- ;; \
- ld8 reg = [reg]
-
-#define MOV_FROM_IHA(reg) \
- movl reg = XSI_IHA; \
- ;; \
- ld8 reg = [reg]
-
-#define MOV_FROM_IPSR(pred, reg) \
-(pred) movl reg = XSI_IPSR; \
- ;; \
-(pred) ld8 reg = [reg]
-
-#define MOV_FROM_IIM(reg) \
- movl reg = XSI_IIM; \
- ;; \
- ld8 reg = [reg]
-
-#define MOV_FROM_IIP(reg) \
- movl reg = XSI_IIP; \
- ;; \
- ld8 reg = [reg]
-
-.macro __MOV_FROM_IVR reg, clob
- .ifc "\reg", "r8"
- XEN_HYPER_GET_IVR
- .exitm
- .endif
- .ifc "\clob", "r8"
- XEN_HYPER_GET_IVR
- ;;
- mov \reg = r8
- .exitm
- .endif
-
- mov \clob = r8
- ;;
- XEN_HYPER_GET_IVR
- ;;
- mov \reg = r8
- ;;
- mov r8 = \clob
-.endm
-#define MOV_FROM_IVR(reg, clob) __MOV_FROM_IVR reg, clob
-
-.macro __MOV_FROM_PSR pred, reg, clob
- .ifc "\reg", "r8"
- (\pred) XEN_HYPER_GET_PSR;
- .exitm
- .endif
- .ifc "\clob", "r8"
- (\pred) XEN_HYPER_GET_PSR
- ;;
- (\pred) mov \reg = r8
- .exitm
- .endif
-
- (\pred) mov \clob = r8
- (\pred) XEN_HYPER_GET_PSR
- ;;
- (\pred) mov \reg = r8
- (\pred) mov r8 = \clob
-.endm
-#define MOV_FROM_PSR(pred, reg, clob) __MOV_FROM_PSR pred, reg, clob
-
-/* assuming ar.itc is read with interrupt disabled. */
-#define MOV_FROM_ITC(pred, pred_clob, reg, clob) \
-(pred) movl clob = XSI_ITC_OFFSET; \
- ;; \
-(pred) ld8 clob = [clob]; \
-(pred) mov reg = ar.itc; \
- ;; \
-(pred) add reg = reg, clob; \
- ;; \
-(pred) movl clob = XSI_ITC_LAST; \
- ;; \
-(pred) ld8 clob = [clob]; \
- ;; \
-(pred) cmp.geu.unc pred_clob, p0 = clob, reg; \
- ;; \
-(pred_clob) add reg = 1, clob; \
- ;; \
-(pred) movl clob = XSI_ITC_LAST; \
- ;; \
-(pred) st8 [clob] = reg
-
-
-#define MOV_TO_IFA(reg, clob) \
- movl clob = XSI_IFA; \
- ;; \
- st8 [clob] = reg \
-
-#define MOV_TO_ITIR(pred, reg, clob) \
-(pred) movl clob = XSI_ITIR; \
- ;; \
-(pred) st8 [clob] = reg
-
-#define MOV_TO_IHA(pred, reg, clob) \
-(pred) movl clob = XSI_IHA; \
- ;; \
-(pred) st8 [clob] = reg
-
-#define MOV_TO_IPSR(pred, reg, clob) \
-(pred) movl clob = XSI_IPSR; \
- ;; \
-(pred) st8 [clob] = reg; \
- ;;
-
-#define MOV_TO_IFS(pred, reg, clob) \
-(pred) movl clob = XSI_IFS; \
- ;; \
-(pred) st8 [clob] = reg; \
- ;;
-
-#define MOV_TO_IIP(reg, clob) \
- movl clob = XSI_IIP; \
- ;; \
- st8 [clob] = reg
-
-.macro ____MOV_TO_KR kr, reg, clob0, clob1
- .ifc "\clob0", "r9"
- .error "clob0 \clob0 must not be r9"
- .endif
- .ifc "\clob1", "r8"
- .error "clob1 \clob1 must not be r8"
- .endif
-
- .ifnc "\reg", "r9"
- .ifnc "\clob1", "r9"
- mov \clob1 = r9
- .endif
- mov r9 = \reg
- .endif
- .ifnc "\clob0", "r8"
- mov \clob0 = r8
- .endif
- mov r8 = \kr
- ;;
- XEN_HYPER_SET_KR
-
- .ifnc "\reg", "r9"
- .ifnc "\clob1", "r9"
- mov r9 = \clob1
- .endif
- .endif
- .ifnc "\clob0", "r8"
- mov r8 = \clob0
- .endif
-.endm
-
-.macro __MOV_TO_KR kr, reg, clob0, clob1
- .ifc "\clob0", "r9"
- ____MOV_TO_KR \kr, \reg, \clob1, \clob0
- .exitm
- .endif
- .ifc "\clob1", "r8"
- ____MOV_TO_KR \kr, \reg, \clob1, \clob0
- .exitm
- .endif
-
- ____MOV_TO_KR \kr, \reg, \clob0, \clob1
-.endm
-
-#define MOV_TO_KR(kr, reg, clob0, clob1) \
- __MOV_TO_KR IA64_KR_ ## kr, reg, clob0, clob1
-
-
-.macro __ITC_I pred, reg, clob
- .ifc "\reg", "r8"
- (\pred) XEN_HYPER_ITC_I
- .exitm
- .endif
- .ifc "\clob", "r8"
- (\pred) mov r8 = \reg
- ;;
- (\pred) XEN_HYPER_ITC_I
- .exitm
- .endif
-
- (\pred) mov \clob = r8
- (\pred) mov r8 = \reg
- ;;
- (\pred) XEN_HYPER_ITC_I
- ;;
- (\pred) mov r8 = \clob
- ;;
-.endm
-#define ITC_I(pred, reg, clob) __ITC_I pred, reg, clob
-
-.macro __ITC_D pred, reg, clob
- .ifc "\reg", "r8"
- (\pred) XEN_HYPER_ITC_D
- ;;
- .exitm
- .endif
- .ifc "\clob", "r8"
- (\pred) mov r8 = \reg
- ;;
- (\pred) XEN_HYPER_ITC_D
- ;;
- .exitm
- .endif
-
- (\pred) mov \clob = r8
- (\pred) mov r8 = \reg
- ;;
- (\pred) XEN_HYPER_ITC_D
- ;;
- (\pred) mov r8 = \clob
- ;;
-.endm
-#define ITC_D(pred, reg, clob) __ITC_D pred, reg, clob
-
-.macro __ITC_I_AND_D pred_i, pred_d, reg, clob
- .ifc "\reg", "r8"
- (\pred_i)XEN_HYPER_ITC_I
- ;;
- (\pred_d)XEN_HYPER_ITC_D
- ;;
- .exitm
- .endif
- .ifc "\clob", "r8"
- mov r8 = \reg
- ;;
- (\pred_i)XEN_HYPER_ITC_I
- ;;
- (\pred_d)XEN_HYPER_ITC_D
- ;;
- .exitm
- .endif
-
- mov \clob = r8
- mov r8 = \reg
- ;;
- (\pred_i)XEN_HYPER_ITC_I
- ;;
- (\pred_d)XEN_HYPER_ITC_D
- ;;
- mov r8 = \clob
- ;;
-.endm
-#define ITC_I_AND_D(pred_i, pred_d, reg, clob) \
- __ITC_I_AND_D pred_i, pred_d, reg, clob
-
-.macro __THASH pred, reg0, reg1, clob
- .ifc "\reg0", "r8"
- (\pred) mov r8 = \reg1
- (\pred) XEN_HYPER_THASH
- .exitm
- .endc
- .ifc "\reg1", "r8"
- (\pred) XEN_HYPER_THASH
- ;;
- (\pred) mov \reg0 = r8
- ;;
- .exitm
- .endif
- .ifc "\clob", "r8"
- (\pred) mov r8 = \reg1
- (\pred) XEN_HYPER_THASH
- ;;
- (\pred) mov \reg0 = r8
- ;;
- .exitm
- .endif
-
- (\pred) mov \clob = r8
- (\pred) mov r8 = \reg1
- (\pred) XEN_HYPER_THASH
- ;;
- (\pred) mov \reg0 = r8
- (\pred) mov r8 = \clob
- ;;
-.endm
-#define THASH(pred, reg0, reg1, clob) __THASH pred, reg0, reg1, clob
-
-#define SSM_PSR_IC_AND_DEFAULT_BITS_AND_SRLZ_I(clob0, clob1) \
- mov clob0 = 1; \
- movl clob1 = XSI_PSR_IC; \
- ;; \
- st4 [clob1] = clob0 \
- ;;
-
-#define SSM_PSR_IC_AND_SRLZ_D(clob0, clob1) \
- ;; \
- srlz.d; \
- mov clob1 = 1; \
- movl clob0 = XSI_PSR_IC; \
- ;; \
- st4 [clob0] = clob1
-
-#define RSM_PSR_IC(clob) \
- movl clob = XSI_PSR_IC; \
- ;; \
- st4 [clob] = r0; \
- ;;
-
-/* pred will be clobbered */
-#define MASK_TO_PEND_OFS (-1)
-#define SSM_PSR_I(pred, pred_clob, clob) \
-(pred) movl clob = XSI_PSR_I_ADDR \
- ;; \
-(pred) ld8 clob = [clob] \
- ;; \
- /* if (pred) vpsr.i = 1 */ \
- /* if (pred) (vcpu->vcpu_info->evtchn_upcall_mask)=0 */ \
-(pred) st1 [clob] = r0, MASK_TO_PEND_OFS \
- ;; \
- /* if (vcpu->vcpu_info->evtchn_upcall_pending) */ \
-(pred) ld1 clob = [clob] \
- ;; \
-(pred) cmp.ne.unc pred_clob, p0 = clob, r0 \
- ;; \
-(pred_clob)XEN_HYPER_SSM_I /* do areal ssm psr.i */
-
-#define RSM_PSR_I(pred, clob0, clob1) \
- movl clob0 = XSI_PSR_I_ADDR; \
- mov clob1 = 1; \
- ;; \
- ld8 clob0 = [clob0]; \
- ;; \
-(pred) st1 [clob0] = clob1
-
-#define RSM_PSR_I_IC(clob0, clob1, clob2) \
- movl clob0 = XSI_PSR_I_ADDR; \
- movl clob1 = XSI_PSR_IC; \
- ;; \
- ld8 clob0 = [clob0]; \
- mov clob2 = 1; \
- ;; \
- /* note: clears both vpsr.i and vpsr.ic! */ \
- st1 [clob0] = clob2; \
- st4 [clob1] = r0; \
- ;;
-
-#define RSM_PSR_DT \
- XEN_HYPER_RSM_PSR_DT
-
-#define RSM_PSR_BE_I(clob0, clob1) \
- RSM_PSR_I(p0, clob0, clob1); \
- rum psr.be
-
-#define SSM_PSR_DT_AND_SRLZ_I \
- XEN_HYPER_SSM_PSR_DT
-
-#define BSW_0(clob0, clob1, clob2) \
- ;; \
- /* r16-r31 all now hold bank1 values */ \
- mov clob2 = ar.unat; \
- movl clob0 = XSI_BANK1_R16; \
- movl clob1 = XSI_BANK1_R16 + 8; \
- ;; \
-.mem.offset 0, 0; st8.spill [clob0] = r16, 16; \
-.mem.offset 8, 0; st8.spill [clob1] = r17, 16; \
- ;; \
-.mem.offset 0, 0; st8.spill [clob0] = r18, 16; \
-.mem.offset 8, 0; st8.spill [clob1] = r19, 16; \
- ;; \
-.mem.offset 0, 0; st8.spill [clob0] = r20, 16; \
-.mem.offset 8, 0; st8.spill [clob1] = r21, 16; \
- ;; \
-.mem.offset 0, 0; st8.spill [clob0] = r22, 16; \
-.mem.offset 8, 0; st8.spill [clob1] = r23, 16; \
- ;; \
-.mem.offset 0, 0; st8.spill [clob0] = r24, 16; \
-.mem.offset 8, 0; st8.spill [clob1] = r25, 16; \
- ;; \
-.mem.offset 0, 0; st8.spill [clob0] = r26, 16; \
-.mem.offset 8, 0; st8.spill [clob1] = r27, 16; \
- ;; \
-.mem.offset 0, 0; st8.spill [clob0] = r28, 16; \
-.mem.offset 8, 0; st8.spill [clob1] = r29, 16; \
- ;; \
-.mem.offset 0, 0; st8.spill [clob0] = r30, 16; \
-.mem.offset 8, 0; st8.spill [clob1] = r31, 16; \
- ;; \
- mov clob1 = ar.unat; \
- movl clob0 = XSI_B1NAT; \
- ;; \
- st8 [clob0] = clob1; \
- mov ar.unat = clob2; \
- movl clob0 = XSI_BANKNUM; \
- ;; \
- st4 [clob0] = r0
-
-
- /* FIXME: THIS CODE IS NOT NaT SAFE! */
-#define XEN_BSW_1(clob) \
- mov clob = ar.unat; \
- movl r30 = XSI_B1NAT; \
- ;; \
- ld8 r30 = [r30]; \
- mov r31 = 1; \
- ;; \
- mov ar.unat = r30; \
- movl r30 = XSI_BANKNUM; \
- ;; \
- st4 [r30] = r31; \
- movl r30 = XSI_BANK1_R16; \
- movl r31 = XSI_BANK1_R16+8; \
- ;; \
- ld8.fill r16 = [r30], 16; \
- ld8.fill r17 = [r31], 16; \
- ;; \
- ld8.fill r18 = [r30], 16; \
- ld8.fill r19 = [r31], 16; \
- ;; \
- ld8.fill r20 = [r30], 16; \
- ld8.fill r21 = [r31], 16; \
- ;; \
- ld8.fill r22 = [r30], 16; \
- ld8.fill r23 = [r31], 16; \
- ;; \
- ld8.fill r24 = [r30], 16; \
- ld8.fill r25 = [r31], 16; \
- ;; \
- ld8.fill r26 = [r30], 16; \
- ld8.fill r27 = [r31], 16; \
- ;; \
- ld8.fill r28 = [r30], 16; \
- ld8.fill r29 = [r31], 16; \
- ;; \
- ld8.fill r30 = [r30]; \
- ld8.fill r31 = [r31]; \
- ;; \
- mov ar.unat = clob
-
-#define BSW_1(clob0, clob1) XEN_BSW_1(clob1)
-
-
-#define COVER \
- XEN_HYPER_COVER
-
-#define RFI \
- XEN_HYPER_RFI; \
- dv_serialize_data
diff --git a/arch/ia64/include/asm/xen/interface.h b/arch/ia64/include/asm/xen/interface.h
deleted file mode 100644
index e88c5de2741..00000000000
--- a/arch/ia64/include/asm/xen/interface.h
+++ /dev/null
@@ -1,363 +0,0 @@
-/******************************************************************************
- * arch-ia64/hypervisor-if.h
- *
- * Guest OS interface to IA64 Xen.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Copyright by those who contributed. (in alphabetical order)
- *
- * Anthony Xu <anthony.xu@intel.com>
- * Eddie Dong <eddie.dong@intel.com>
- * Fred Yang <fred.yang@intel.com>
- * Kevin Tian <kevin.tian@intel.com>
- * Alex Williamson <alex.williamson@hp.com>
- * Chris Wright <chrisw@sous-sol.org>
- * Christian Limpach <Christian.Limpach@cl.cam.ac.uk>
- * Dietmar Hahn <dietmar.hahn@fujitsu-siemens.com>
- * Hollis Blanchard <hollisb@us.ibm.com>
- * Isaku Yamahata <yamahata@valinux.co.jp>
- * Jan Beulich <jbeulich@novell.com>
- * John Levon <john.levon@sun.com>
- * Kazuhiro Suzuki <kaz@jp.fujitsu.com>
- * Keir Fraser <keir.fraser@citrix.com>
- * Kouya Shimura <kouya@jp.fujitsu.com>
- * Masaki Kanno <kanno.masaki@jp.fujitsu.com>
- * Matt Chapman <matthewc@hp.com>
- * Matthew Chapman <matthewc@hp.com>
- * Samuel Thibault <samuel.thibault@eu.citrix.com>
- * Tomonari Horikoshi <t.horikoshi@jp.fujitsu.com>
- * Tristan Gingold <tgingold@free.fr>
- * Tsunehisa Doi <Doi.Tsunehisa@jp.fujitsu.com>
- * Yutaka Ezaki <yutaka.ezaki@jp.fujitsu.com>
- * Zhang Xin <xing.z.zhang@intel.com>
- * Zhang xiantao <xiantao.zhang@intel.com>
- * dan.magenheimer@hp.com
- * ian.pratt@cl.cam.ac.uk
- * michael.fetterman@cl.cam.ac.uk
- */
-
-#ifndef _ASM_IA64_XEN_INTERFACE_H
-#define _ASM_IA64_XEN_INTERFACE_H
-
-#define __DEFINE_GUEST_HANDLE(name, type) \
- typedef struct { type *p; } __guest_handle_ ## name
-
-#define DEFINE_GUEST_HANDLE_STRUCT(name) \
- __DEFINE_GUEST_HANDLE(name, struct name)
-#define DEFINE_GUEST_HANDLE(name) __DEFINE_GUEST_HANDLE(name, name)
-#define GUEST_HANDLE(name) __guest_handle_ ## name
-#define GUEST_HANDLE_64(name) GUEST_HANDLE(name)
-#define set_xen_guest_handle(hnd, val) do { (hnd).p = val; } while (0)
-
-#ifndef __ASSEMBLY__
-/* Explicitly size integers that represent pfns in the public interface
- * with Xen so that we could have one ABI that works for 32 and 64 bit
- * guests. */
-typedef unsigned long xen_pfn_t;
-typedef unsigned long xen_ulong_t;
-/* Guest handles for primitive C types. */
-__DEFINE_GUEST_HANDLE(uchar, unsigned char);
-__DEFINE_GUEST_HANDLE(uint, unsigned int);
-__DEFINE_GUEST_HANDLE(ulong, unsigned long);
-
-DEFINE_GUEST_HANDLE(char);
-DEFINE_GUEST_HANDLE(int);
-DEFINE_GUEST_HANDLE(long);
-DEFINE_GUEST_HANDLE(void);
-DEFINE_GUEST_HANDLE(uint64_t);
-DEFINE_GUEST_HANDLE(uint32_t);
-
-DEFINE_GUEST_HANDLE(xen_pfn_t);
-#define PRI_xen_pfn "lx"
-#endif
-
-/* Arch specific VIRQs definition */
-#define VIRQ_ITC VIRQ_ARCH_0 /* V. Virtual itc timer */
-#define VIRQ_MCA_CMC VIRQ_ARCH_1 /* MCA cmc interrupt */
-#define VIRQ_MCA_CPE VIRQ_ARCH_2 /* MCA cpe interrupt */
-
-/* Maximum number of virtual CPUs in multi-processor guests. */
-/* keep sizeof(struct shared_page) <= PAGE_SIZE.
- * this is checked in arch/ia64/xen/hypervisor.c. */
-#define MAX_VIRT_CPUS 64
-
-#ifndef __ASSEMBLY__
-
-#define INVALID_MFN (~0UL)
-
-union vac {
- unsigned long value;
- struct {
- int a_int:1;
- int a_from_int_cr:1;
- int a_to_int_cr:1;
- int a_from_psr:1;
- int a_from_cpuid:1;
- int a_cover:1;
- int a_bsw:1;
- long reserved:57;
- };
-};
-
-union vdc {
- unsigned long value;
- struct {
- int d_vmsw:1;
- int d_extint:1;
- int d_ibr_dbr:1;
- int d_pmc:1;
- int d_to_pmd:1;
- int d_itm:1;
- long reserved:58;
- };
-};
-
-struct mapped_regs {
- union vac vac;
- union vdc vdc;
- unsigned long virt_env_vaddr;
- unsigned long reserved1[29];
- unsigned long vhpi;
- unsigned long reserved2[95];
- union {
- unsigned long vgr[16];
- unsigned long bank1_regs[16]; /* bank1 regs (r16-r31)
- when bank0 active */
- };
- union {
- unsigned long vbgr[16];
- unsigned long bank0_regs[16]; /* bank0 regs (r16-r31)
- when bank1 active */
- };
- unsigned long vnat;
- unsigned long vbnat;
- unsigned long vcpuid[5];
- unsigned long reserved3[11];
- unsigned long vpsr;
- unsigned long vpr;
- unsigned long reserved4[76];
- union {
- unsigned long vcr[128];
- struct {
- unsigned long dcr; /* CR0 */
- unsigned long itm;
- unsigned long iva;
- unsigned long rsv1[5];
- unsigned long pta; /* CR8 */
- unsigned long rsv2[7];
- unsigned long ipsr; /* CR16 */
- unsigned long isr;
- unsigned long rsv3;
- unsigned long iip;
- unsigned long ifa;
- unsigned long itir;
- unsigned long iipa;
- unsigned long ifs;
- unsigned long iim; /* CR24 */
- unsigned long iha;
- unsigned long rsv4[38];
- unsigned long lid; /* CR64 */
- unsigned long ivr;
- unsigned long tpr;
- unsigned long eoi;
- unsigned long irr[4];
- unsigned long itv; /* CR72 */
- unsigned long pmv;
- unsigned long cmcv;
- unsigned long rsv5[5];
- unsigned long lrr0; /* CR80 */
- unsigned long lrr1;
- unsigned long rsv6[46];
- };
- };
- union {
- unsigned long reserved5[128];
- struct {
- unsigned long precover_ifs;
- unsigned long unat; /* not sure if this is needed
- until NaT arch is done */
- int interrupt_collection_enabled; /* virtual psr.ic */
-
- /* virtual interrupt deliverable flag is
- * evtchn_upcall_mask in shared info area now.
- * interrupt_mask_addr is the address
- * of evtchn_upcall_mask for current vcpu
- */
- unsigned char *interrupt_mask_addr;
- int pending_interruption;
- unsigned char vpsr_pp;
- unsigned char vpsr_dfh;
- unsigned char hpsr_dfh;
- unsigned char hpsr_mfh;
- unsigned long reserved5_1[4];
- int metaphysical_mode; /* 1 = use metaphys mapping
- 0 = use virtual */
- int banknum; /* 0 or 1, which virtual
- register bank is active */
- unsigned long rrs[8]; /* region registers */
- unsigned long krs[8]; /* kernel registers */
- unsigned long tmp[16]; /* temp registers
- (e.g. for hyperprivops) */
-
- /* itc paravirtualization
- * vAR.ITC = mAR.ITC + itc_offset
- * itc_last is one which was lastly passed to
- * the guest OS in order to prevent it from
- * going backwords.
- */
- unsigned long itc_offset;
- unsigned long itc_last;
- };
- };
-};
-
-struct arch_vcpu_info {
- /* nothing */
-};
-
-/*
- * This structure is used for magic page in domain pseudo physical address
- * space and the result of XENMEM_machine_memory_map.
- * As the XENMEM_machine_memory_map result,
- * xen_memory_map::nr_entries indicates the size in bytes
- * including struct xen_ia64_memmap_info. Not the number of entries.
- */
-struct xen_ia64_memmap_info {
- uint64_t efi_memmap_size; /* size of EFI memory map */
- uint64_t efi_memdesc_size; /* size of an EFI memory map
- * descriptor */
- uint32_t efi_memdesc_version; /* memory descriptor version */
- void *memdesc[0]; /* array of efi_memory_desc_t */
-};
-
-struct arch_shared_info {
- /* PFN of the start_info page. */
- unsigned long start_info_pfn;
-
- /* Interrupt vector for event channel. */
- int evtchn_vector;
-
- /* PFN of memmap_info page */
- unsigned int memmap_info_num_pages; /* currently only = 1 case is
- supported. */
- unsigned long memmap_info_pfn;
-
- uint64_t pad[31];
-};
-
-struct xen_callback {
- unsigned long ip;
-};
-typedef struct xen_callback xen_callback_t;
-
-#endif /* !__ASSEMBLY__ */
-
-#include <asm/pvclock-abi.h>
-
-/* Size of the shared_info area (this is not related to page size). */
-#define XSI_SHIFT 14
-#define XSI_SIZE (1 << XSI_SHIFT)
-/* Log size of mapped_regs area (64 KB - only 4KB is used). */
-#define XMAPPEDREGS_SHIFT 12
-#define XMAPPEDREGS_SIZE (1 << XMAPPEDREGS_SHIFT)
-/* Offset of XASI (Xen arch shared info) wrt XSI_BASE. */
-#define XMAPPEDREGS_OFS XSI_SIZE
-
-/* Hyperprivops. */
-#define HYPERPRIVOP_START 0x1
-#define HYPERPRIVOP_RFI (HYPERPRIVOP_START + 0x0)
-#define HYPERPRIVOP_RSM_DT (HYPERPRIVOP_START + 0x1)
-#define HYPERPRIVOP_SSM_DT (HYPERPRIVOP_START + 0x2)
-#define HYPERPRIVOP_COVER (HYPERPRIVOP_START + 0x3)
-#define HYPERPRIVOP_ITC_D (HYPERPRIVOP_START + 0x4)
-#define HYPERPRIVOP_ITC_I (HYPERPRIVOP_START + 0x5)
-#define HYPERPRIVOP_SSM_I (HYPERPRIVOP_START + 0x6)
-#define HYPERPRIVOP_GET_IVR (HYPERPRIVOP_START + 0x7)
-#define HYPERPRIVOP_GET_TPR (HYPERPRIVOP_START + 0x8)
-#define HYPERPRIVOP_SET_TPR (HYPERPRIVOP_START + 0x9)
-#define HYPERPRIVOP_EOI (HYPERPRIVOP_START + 0xa)
-#define HYPERPRIVOP_SET_ITM (HYPERPRIVOP_START + 0xb)
-#define HYPERPRIVOP_THASH (HYPERPRIVOP_START + 0xc)
-#define HYPERPRIVOP_PTC_GA (HYPERPRIVOP_START + 0xd)
-#define HYPERPRIVOP_ITR_D (HYPERPRIVOP_START + 0xe)
-#define HYPERPRIVOP_GET_RR (HYPERPRIVOP_START + 0xf)
-#define HYPERPRIVOP_SET_RR (HYPERPRIVOP_START + 0x10)
-#define HYPERPRIVOP_SET_KR (HYPERPRIVOP_START + 0x11)
-#define HYPERPRIVOP_FC (HYPERPRIVOP_START + 0x12)
-#define HYPERPRIVOP_GET_CPUID (HYPERPRIVOP_START + 0x13)
-#define HYPERPRIVOP_GET_PMD (HYPERPRIVOP_START + 0x14)
-#define HYPERPRIVOP_GET_EFLAG (HYPERPRIVOP_START + 0x15)
-#define HYPERPRIVOP_SET_EFLAG (HYPERPRIVOP_START + 0x16)
-#define HYPERPRIVOP_RSM_BE (HYPERPRIVOP_START + 0x17)
-#define HYPERPRIVOP_GET_PSR (HYPERPRIVOP_START + 0x18)
-#define HYPERPRIVOP_SET_RR0_TO_RR4 (HYPERPRIVOP_START + 0x19)
-#define HYPERPRIVOP_MAX (0x1a)
-
-/* Fast and light hypercalls. */
-#define __HYPERVISOR_ia64_fast_eoi __HYPERVISOR_arch_1
-
-/* Xencomm macros. */
-#define XENCOMM_INLINE_MASK 0xf800000000000000UL
-#define XENCOMM_INLINE_FLAG 0x8000000000000000UL
-
-#ifndef __ASSEMBLY__
-
-/*
- * Optimization features.
- * The hypervisor may do some special optimizations for guests. This hypercall
- * can be used to switch on/of these special optimizations.
- */
-#define __HYPERVISOR_opt_feature 0x700UL
-
-#define XEN_IA64_OPTF_OFF 0x0
-#define XEN_IA64_OPTF_ON 0x1
-
-/*
- * If this feature is switched on, the hypervisor inserts the
- * tlb entries without calling the guests traphandler.
- * This is useful in guests using region 7 for identity mapping
- * like the linux kernel does.
- */
-#define XEN_IA64_OPTF_IDENT_MAP_REG7 1
-
-/* Identity mapping of region 4 addresses in HVM. */
-#define XEN_IA64_OPTF_IDENT_MAP_REG4 2
-
-/* Identity mapping of region 5 addresses in HVM. */
-#define XEN_IA64_OPTF_IDENT_MAP_REG5 3
-
-#define XEN_IA64_OPTF_IDENT_MAP_NOT_SET (0)
-
-struct xen_ia64_opt_feature {
- unsigned long cmd; /* Which feature */
- unsigned char on; /* Switch feature on/off */
- union {
- struct {
- /* The page protection bit mask of the pte.
- * This will be or'ed with the pte. */
- unsigned long pgprot;
- unsigned long key; /* A protection key for itir.*/
- };
- };
-};
-
-#endif /* __ASSEMBLY__ */
-
-#endif /* _ASM_IA64_XEN_INTERFACE_H */
diff --git a/arch/ia64/include/asm/xen/irq.h b/arch/ia64/include/asm/xen/irq.h
deleted file mode 100644
index a9045098300..00000000000
--- a/arch/ia64/include/asm/xen/irq.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/******************************************************************************
- * arch/ia64/include/asm/xen/irq.h
- *
- * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
- * VA Linux Systems Japan K.K.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#ifndef _ASM_IA64_XEN_IRQ_H
-#define _ASM_IA64_XEN_IRQ_H
-
-/*
- * The flat IRQ space is divided into two regions:
- * 1. A one-to-one mapping of real physical IRQs. This space is only used
- * if we have physical device-access privilege. This region is at the
- * start of the IRQ space so that existing device drivers do not need
- * to be modified to translate physical IRQ numbers into our IRQ space.
- * 3. A dynamic mapping of inter-domain and Xen-sourced virtual IRQs. These
- * are bound using the provided bind/unbind functions.
- */
-
-#define XEN_PIRQ_BASE 0
-#define XEN_NR_PIRQS 256
-
-#define XEN_DYNIRQ_BASE (XEN_PIRQ_BASE + XEN_NR_PIRQS)
-#define XEN_NR_DYNIRQS (NR_CPUS * 8)
-
-#define XEN_NR_IRQS (XEN_NR_PIRQS + XEN_NR_DYNIRQS)
-
-#endif /* _ASM_IA64_XEN_IRQ_H */
diff --git a/arch/ia64/include/asm/xen/minstate.h b/arch/ia64/include/asm/xen/minstate.h
deleted file mode 100644
index 00cf03e0cb8..00000000000
--- a/arch/ia64/include/asm/xen/minstate.h
+++ /dev/null
@@ -1,143 +0,0 @@
-
-#ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE
-/* read ar.itc in advance, and use it before leaving bank 0 */
-#define XEN_ACCOUNT_GET_STAMP \
- MOV_FROM_ITC(pUStk, p6, r20, r2);
-#else
-#define XEN_ACCOUNT_GET_STAMP
-#endif
-
-/*
- * DO_SAVE_MIN switches to the kernel stacks (if necessary) and saves
- * the minimum state necessary that allows us to turn psr.ic back
- * on.
- *
- * Assumed state upon entry:
- * psr.ic: off
- * r31: contains saved predicates (pr)
- *
- * Upon exit, the state is as follows:
- * psr.ic: off
- * r2 = points to &pt_regs.r16
- * r8 = contents of ar.ccv
- * r9 = contents of ar.csd
- * r10 = contents of ar.ssd
- * r11 = FPSR_DEFAULT
- * r12 = kernel sp (kernel virtual address)
- * r13 = points to current task_struct (kernel virtual address)
- * p15 = TRUE if psr.i is set in cr.ipsr
- * predicate registers (other than p2, p3, and p15), b6, r3, r14, r15:
- * preserved
- * CONFIG_XEN note: p6/p7 are not preserved
- *
- * Note that psr.ic is NOT turned on by this macro. This is so that
- * we can pass interruption state as arguments to a handler.
- */
-#define XEN_DO_SAVE_MIN(__COVER,SAVE_IFS,EXTRA,WORKAROUND) \
- mov r16=IA64_KR(CURRENT); /* M */ \
- mov r27=ar.rsc; /* M */ \
- mov r20=r1; /* A */ \
- mov r25=ar.unat; /* M */ \
- MOV_FROM_IPSR(p0,r29); /* M */ \
- MOV_FROM_IIP(r28); /* M */ \
- mov r21=ar.fpsr; /* M */ \
- mov r26=ar.pfs; /* I */ \
- __COVER; /* B;; (or nothing) */ \
- adds r16=IA64_TASK_THREAD_ON_USTACK_OFFSET,r16; \
- ;; \
- ld1 r17=[r16]; /* load current->thread.on_ustack flag */ \
- st1 [r16]=r0; /* clear current->thread.on_ustack flag */ \
- adds r1=-IA64_TASK_THREAD_ON_USTACK_OFFSET,r16 \
- /* switch from user to kernel RBS: */ \
- ;; \
- invala; /* M */ \
- /* SAVE_IFS;*/ /* see xen special handling below */ \
- cmp.eq pKStk,pUStk=r0,r17; /* are we in kernel mode already? */ \
- ;; \
-(pUStk) mov ar.rsc=0; /* set enforced lazy mode, pl 0, little-endian, loadrs=0 */ \
- ;; \
-(pUStk) mov.m r24=ar.rnat; \
-(pUStk) addl r22=IA64_RBS_OFFSET,r1; /* compute base of RBS */ \
-(pKStk) mov r1=sp; /* get sp */ \
- ;; \
-(pUStk) lfetch.fault.excl.nt1 [r22]; \
-(pUStk) addl r1=IA64_STK_OFFSET-IA64_PT_REGS_SIZE,r1; /* compute base of memory stack */ \
-(pUStk) mov r23=ar.bspstore; /* save ar.bspstore */ \
- ;; \
-(pUStk) mov ar.bspstore=r22; /* switch to kernel RBS */ \
-(pKStk) addl r1=-IA64_PT_REGS_SIZE,r1; /* if in kernel mode, use sp (r12) */ \
- ;; \
-(pUStk) mov r18=ar.bsp; \
-(pUStk) mov ar.rsc=0x3; /* set eager mode, pl 0, little-endian, loadrs=0 */ \
- adds r17=2*L1_CACHE_BYTES,r1; /* really: biggest cache-line size */ \
- adds r16=PT(CR_IPSR),r1; \
- ;; \
- lfetch.fault.excl.nt1 [r17],L1_CACHE_BYTES; \
- st8 [r16]=r29; /* save cr.ipsr */ \
- ;; \
- lfetch.fault.excl.nt1 [r17]; \
- tbit.nz p15,p0=r29,IA64_PSR_I_BIT; \
- mov r29=b0 \
- ;; \
- WORKAROUND; \
- adds r16=PT(R8),r1; /* initialize first base pointer */ \
- adds r17=PT(R9),r1; /* initialize second base pointer */ \
-(pKStk) mov r18=r0; /* make sure r18 isn't NaT */ \
- ;; \
-.mem.offset 0,0; st8.spill [r16]=r8,16; \
-.mem.offset 8,0; st8.spill [r17]=r9,16; \
- ;; \
-.mem.offset 0,0; st8.spill [r16]=r10,24; \
- movl r8=XSI_PRECOVER_IFS; \
-.mem.offset 8,0; st8.spill [r17]=r11,24; \
- ;; \
- /* xen special handling for possibly lazy cover */ \
- /* SAVE_MIN case in dispatch_ia32_handler: mov r30=r0 */ \
- ld8 r30=[r8]; \
-(pUStk) sub r18=r18,r22; /* r18=RSE.ndirty*8 */ \
- st8 [r16]=r28,16; /* save cr.iip */ \
- ;; \
- st8 [r17]=r30,16; /* save cr.ifs */ \
- mov r8=ar.ccv; \
- mov r9=ar.csd; \
- mov r10=ar.ssd; \
- movl r11=FPSR_DEFAULT; /* L-unit */ \
- ;; \
- st8 [r16]=r25,16; /* save ar.unat */ \
- st8 [r17]=r26,16; /* save ar.pfs */ \
- shl r18=r18,16; /* compute ar.rsc to be used for "loadrs" */ \
- ;; \
- st8 [r16]=r27,16; /* save ar.rsc */ \
-(pUStk) st8 [r17]=r24,16; /* save ar.rnat */ \
-(pKStk) adds r17=16,r17; /* skip over ar_rnat field */ \
- ;; /* avoid RAW on r16 & r17 */ \
-(pUStk) st8 [r16]=r23,16; /* save ar.bspstore */ \
- st8 [r17]=r31,16; /* save predicates */ \
-(pKStk) adds r16=16,r16; /* skip over ar_bspstore field */ \
- ;; \
- st8 [r16]=r29,16; /* save b0 */ \
- st8 [r17]=r18,16; /* save ar.rsc value for "loadrs" */ \
- cmp.eq pNonSys,pSys=r0,r0 /* initialize pSys=0, pNonSys=1 */ \
- ;; \
-.mem.offset 0,0; st8.spill [r16]=r20,16; /* save original r1 */ \
-.mem.offset 8,0; st8.spill [r17]=r12,16; \
- adds r12=-16,r1; /* switch to kernel memory stack (with 16 bytes of scratch) */ \
- ;; \
-.mem.offset 0,0; st8.spill [r16]=r13,16; \
-.mem.offset 8,0; st8.spill [r17]=r21,16; /* save ar.fpsr */ \
- mov r13=IA64_KR(CURRENT); /* establish `current' */ \
- ;; \
-.mem.offset 0,0; st8.spill [r16]=r15,16; \
-.mem.offset 8,0; st8.spill [r17]=r14,16; \
- ;; \
-.mem.offset 0,0; st8.spill [r16]=r2,16; \
-.mem.offset 8,0; st8.spill [r17]=r3,16; \
- XEN_ACCOUNT_GET_STAMP \
- adds r2=IA64_PT_REGS_R16_OFFSET,r1; \
- ;; \
- EXTRA; \
- movl r1=__gp; /* establish kernel global pointer */ \
- ;; \
- ACCOUNT_SYS_ENTER \
- BSW_1(r3,r14); /* switch back to bank 1 (must be last in insn group) */ \
- ;;
diff --git a/arch/ia64/include/asm/xen/page-coherent.h b/arch/ia64/include/asm/xen/page-coherent.h
deleted file mode 100644
index 96e42f97fa1..00000000000
--- a/arch/ia64/include/asm/xen/page-coherent.h
+++ /dev/null
@@ -1,38 +0,0 @@
-#ifndef _ASM_IA64_XEN_PAGE_COHERENT_H
-#define _ASM_IA64_XEN_PAGE_COHERENT_H
-
-#include <asm/page.h>
-#include <linux/dma-attrs.h>
-#include <linux/dma-mapping.h>
-
-static inline void *xen_alloc_coherent_pages(struct device *hwdev, size_t size,
- dma_addr_t *dma_handle, gfp_t flags,
- struct dma_attrs *attrs)
-{
- void *vstart = (void*)__get_free_pages(flags, get_order(size));
- *dma_handle = virt_to_phys(vstart);
- return vstart;
-}
-
-static inline void xen_free_coherent_pages(struct device *hwdev, size_t size,
- void *cpu_addr, dma_addr_t dma_handle,
- struct dma_attrs *attrs)
-{
- free_pages((unsigned long) cpu_addr, get_order(size));
-}
-
-static inline void xen_dma_map_page(struct device *hwdev, struct page *page,
- unsigned long offset, size_t size, enum dma_data_direction dir,
- struct dma_attrs *attrs) { }
-
-static inline void xen_dma_unmap_page(struct device *hwdev, dma_addr_t handle,
- size_t size, enum dma_data_direction dir,
- struct dma_attrs *attrs) { }
-
-static inline void xen_dma_sync_single_for_cpu(struct device *hwdev,
- dma_addr_t handle, size_t size, enum dma_data_direction dir) { }
-
-static inline void xen_dma_sync_single_for_device(struct device *hwdev,
- dma_addr_t handle, size_t size, enum dma_data_direction dir) { }
-
-#endif /* _ASM_IA64_XEN_PAGE_COHERENT_H */
diff --git a/arch/ia64/include/asm/xen/page.h b/arch/ia64/include/asm/xen/page.h
deleted file mode 100644
index 03441a780b5..00000000000
--- a/arch/ia64/include/asm/xen/page.h
+++ /dev/null
@@ -1,65 +0,0 @@
-/******************************************************************************
- * arch/ia64/include/asm/xen/page.h
- *
- * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
- * VA Linux Systems Japan K.K.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#ifndef _ASM_IA64_XEN_PAGE_H
-#define _ASM_IA64_XEN_PAGE_H
-
-#define INVALID_P2M_ENTRY (~0UL)
-
-static inline unsigned long mfn_to_pfn(unsigned long mfn)
-{
- return mfn;
-}
-
-static inline unsigned long pfn_to_mfn(unsigned long pfn)
-{
- return pfn;
-}
-
-#define phys_to_machine_mapping_valid(_x) (1)
-
-static inline void *mfn_to_virt(unsigned long mfn)
-{
- return __va(mfn << PAGE_SHIFT);
-}
-
-static inline unsigned long virt_to_mfn(void *virt)
-{
- return __pa(virt) >> PAGE_SHIFT;
-}
-
-/* for tpmfront.c */
-static inline unsigned long virt_to_machine(void *virt)
-{
- return __pa(virt);
-}
-
-static inline void set_phys_to_machine(unsigned long pfn, unsigned long mfn)
-{
- /* nothing */
-}
-
-#define pte_mfn(_x) pte_pfn(_x)
-#define mfn_pte(_x, _y) __pte_ma(0) /* unmodified use */
-#define __pte_ma(_x) ((pte_t) {(_x)}) /* unmodified use */
-
-#endif /* _ASM_IA64_XEN_PAGE_H */
diff --git a/arch/ia64/include/asm/xen/patchlist.h b/arch/ia64/include/asm/xen/patchlist.h
deleted file mode 100644
index eae944e8884..00000000000
--- a/arch/ia64/include/asm/xen/patchlist.h
+++ /dev/null
@@ -1,38 +0,0 @@
-/******************************************************************************
- * arch/ia64/include/asm/xen/patchlist.h
- *
- * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
- * VA Linux Systems Japan K.K.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#define __paravirt_start_gate_fsyscall_patchlist \
- __xen_start_gate_fsyscall_patchlist
-#define __paravirt_end_gate_fsyscall_patchlist \
- __xen_end_gate_fsyscall_patchlist
-#define __paravirt_start_gate_brl_fsys_bubble_down_patchlist \
- __xen_start_gate_brl_fsys_bubble_down_patchlist
-#define __paravirt_end_gate_brl_fsys_bubble_down_patchlist \
- __xen_end_gate_brl_fsys_bubble_down_patchlist
-#define __paravirt_start_gate_vtop_patchlist \
- __xen_start_gate_vtop_patchlist
-#define __paravirt_end_gate_vtop_patchlist \
- __xen_end_gate_vtop_patchlist
-#define __paravirt_start_gate_mckinley_e9_patchlist \
- __xen_start_gate_mckinley_e9_patchlist
-#define __paravirt_end_gate_mckinley_e9_patchlist \
- __xen_end_gate_mckinley_e9_patchlist
diff --git a/arch/ia64/include/asm/xen/privop.h b/arch/ia64/include/asm/xen/privop.h
deleted file mode 100644
index fb4ec5e0b06..00000000000
--- a/arch/ia64/include/asm/xen/privop.h
+++ /dev/null
@@ -1,135 +0,0 @@
-#ifndef _ASM_IA64_XEN_PRIVOP_H
-#define _ASM_IA64_XEN_PRIVOP_H
-
-/*
- * Copyright (C) 2005 Hewlett-Packard Co
- * Dan Magenheimer <dan.magenheimer@hp.com>
- *
- * Paravirtualizations of privileged operations for Xen/ia64
- *
- *
- * inline privop and paravirt_alt support
- * Copyright (c) 2007 Isaku Yamahata <yamahata at valinux co jp>
- * VA Linux Systems Japan K.K.
- *
- */
-
-#ifndef __ASSEMBLY__
-#include <linux/types.h> /* arch-ia64.h requires uint64_t */
-#endif
-#include <asm/xen/interface.h>
-
-/* At 1 MB, before per-cpu space but still addressable using addl instead
- of movl. */
-#define XSI_BASE 0xfffffffffff00000
-
-/* Address of mapped regs. */
-#define XMAPPEDREGS_BASE (XSI_BASE + XSI_SIZE)
-
-#ifdef __ASSEMBLY__
-#define XEN_HYPER_RFI break HYPERPRIVOP_RFI
-#define XEN_HYPER_RSM_PSR_DT break HYPERPRIVOP_RSM_DT
-#define XEN_HYPER_SSM_PSR_DT break HYPERPRIVOP_SSM_DT
-#define XEN_HYPER_COVER break HYPERPRIVOP_COVER
-#define XEN_HYPER_ITC_D break HYPERPRIVOP_ITC_D
-#define XEN_HYPER_ITC_I break HYPERPRIVOP_ITC_I
-#define XEN_HYPER_SSM_I break HYPERPRIVOP_SSM_I
-#define XEN_HYPER_GET_IVR break HYPERPRIVOP_GET_IVR
-#define XEN_HYPER_THASH break HYPERPRIVOP_THASH
-#define XEN_HYPER_ITR_D break HYPERPRIVOP_ITR_D
-#define XEN_HYPER_SET_KR break HYPERPRIVOP_SET_KR
-#define XEN_HYPER_GET_PSR break HYPERPRIVOP_GET_PSR
-#define XEN_HYPER_SET_RR0_TO_RR4 break HYPERPRIVOP_SET_RR0_TO_RR4
-
-#define XSI_IFS (XSI_BASE + XSI_IFS_OFS)
-#define XSI_PRECOVER_IFS (XSI_BASE + XSI_PRECOVER_IFS_OFS)
-#define XSI_IFA (XSI_BASE + XSI_IFA_OFS)
-#define XSI_ISR (XSI_BASE + XSI_ISR_OFS)
-#define XSI_IIM (XSI_BASE + XSI_IIM_OFS)
-#define XSI_ITIR (XSI_BASE + XSI_ITIR_OFS)
-#define XSI_PSR_I_ADDR (XSI_BASE + XSI_PSR_I_ADDR_OFS)
-#define XSI_PSR_IC (XSI_BASE + XSI_PSR_IC_OFS)
-#define XSI_IPSR (XSI_BASE + XSI_IPSR_OFS)
-#define XSI_IIP (XSI_BASE + XSI_IIP_OFS)
-#define XSI_B1NAT (XSI_BASE + XSI_B1NATS_OFS)
-#define XSI_BANK1_R16 (XSI_BASE + XSI_BANK1_R16_OFS)
-#define XSI_BANKNUM (XSI_BASE + XSI_BANKNUM_OFS)
-#define XSI_IHA (XSI_BASE + XSI_IHA_OFS)
-#define XSI_ITC_OFFSET (XSI_BASE + XSI_ITC_OFFSET_OFS)
-#define XSI_ITC_LAST (XSI_BASE + XSI_ITC_LAST_OFS)
-#endif
-
-#ifndef __ASSEMBLY__
-
-/************************************************/
-/* Instructions paravirtualized for correctness */
-/************************************************/
-
-/* "fc" and "thash" are privilege-sensitive instructions, meaning they
- * may have different semantics depending on whether they are executed
- * at PL0 vs PL!=0. When paravirtualized, these instructions mustn't
- * be allowed to execute directly, lest incorrect semantics result. */
-extern void xen_fc(void *addr);
-extern unsigned long xen_thash(unsigned long addr);
-
-/* Note that "ttag" and "cover" are also privilege-sensitive; "ttag"
- * is not currently used (though it may be in a long-format VHPT system!)
- * and the semantics of cover only change if psr.ic is off which is very
- * rare (and currently non-existent outside of assembly code */
-
-/* There are also privilege-sensitive registers. These registers are
- * readable at any privilege level but only writable at PL0. */
-extern unsigned long xen_get_cpuid(int index);
-extern unsigned long xen_get_pmd(int index);
-
-#ifndef ASM_SUPPORTED
-extern unsigned long xen_get_eflag(void); /* see xen_ia64_getreg */
-extern void xen_set_eflag(unsigned long); /* see xen_ia64_setreg */
-#endif
-
-/************************************************/
-/* Instructions paravirtualized for performance */
-/************************************************/
-
-/* Xen uses memory-mapped virtual privileged registers for access to many
- * performance-sensitive privileged registers. Some, like the processor
- * status register (psr), are broken up into multiple memory locations.
- * Others, like "pend", are abstractions based on privileged registers.
- * "Pend" is guaranteed to be set if reading cr.ivr would return a
- * (non-spurious) interrupt. */
-#define XEN_MAPPEDREGS ((struct mapped_regs *)XMAPPEDREGS_BASE)
-
-#define XSI_PSR_I \
- (*XEN_MAPPEDREGS->interrupt_mask_addr)
-#define xen_get_virtual_psr_i() \
- (!XSI_PSR_I)
-#define xen_set_virtual_psr_i(_val) \
- ({ XSI_PSR_I = (uint8_t)(_val) ? 0 : 1; })
-#define xen_set_virtual_psr_ic(_val) \
- ({ XEN_MAPPEDREGS->interrupt_collection_enabled = _val ? 1 : 0; })
-#define xen_get_virtual_pend() \
- (*(((uint8_t *)XEN_MAPPEDREGS->interrupt_mask_addr) - 1))
-
-#ifndef ASM_SUPPORTED
-/* Although all privileged operations can be left to trap and will
- * be properly handled by Xen, some are frequent enough that we use
- * hyperprivops for performance. */
-extern unsigned long xen_get_psr(void);
-extern unsigned long xen_get_ivr(void);
-extern unsigned long xen_get_tpr(void);
-extern void xen_hyper_ssm_i(void);
-extern void xen_set_itm(unsigned long);
-extern void xen_set_tpr(unsigned long);
-extern void xen_eoi(unsigned long);
-extern unsigned long xen_get_rr(unsigned long index);
-extern void xen_set_rr(unsigned long index, unsigned long val);
-extern void xen_set_rr0_to_rr4(unsigned long val0, unsigned long val1,
- unsigned long val2, unsigned long val3,
- unsigned long val4);
-extern void xen_set_kr(unsigned long index, unsigned long val);
-extern void xen_ptcga(unsigned long addr, unsigned long size);
-#endif /* !ASM_SUPPORTED */
-
-#endif /* !__ASSEMBLY__ */
-
-#endif /* _ASM_IA64_XEN_PRIVOP_H */
diff --git a/arch/ia64/include/asm/xen/xcom_hcall.h b/arch/ia64/include/asm/xen/xcom_hcall.h
deleted file mode 100644
index 20b2950c71b..00000000000
--- a/arch/ia64/include/asm/xen/xcom_hcall.h
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * Copyright (C) 2006 Tristan Gingold <tristan.gingold@bull.net>, Bull SAS
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#ifndef _ASM_IA64_XEN_XCOM_HCALL_H
-#define _ASM_IA64_XEN_XCOM_HCALL_H
-
-/* These function creates inline or mini descriptor for the parameters and
- calls the corresponding xencomm_arch_hypercall_X.
- Architectures should defines HYPERVISOR_xxx as xencomm_hypercall_xxx unless
- they want to use their own wrapper. */
-extern int xencomm_hypercall_console_io(int cmd, int count, char *str);
-
-extern int xencomm_hypercall_event_channel_op(int cmd, void *op);
-
-extern int xencomm_hypercall_xen_version(int cmd, void *arg);
-
-extern int xencomm_hypercall_physdev_op(int cmd, void *op);
-
-extern int xencomm_hypercall_grant_table_op(unsigned int cmd, void *op,
- unsigned int count);
-
-extern int xencomm_hypercall_sched_op(int cmd, void *arg);
-
-extern int xencomm_hypercall_multicall(void *call_list, int nr_calls);
-
-extern int xencomm_hypercall_callback_op(int cmd, void *arg);
-
-extern int xencomm_hypercall_memory_op(unsigned int cmd, void *arg);
-
-extern int xencomm_hypercall_suspend(unsigned long srec);
-
-extern long xencomm_hypercall_vcpu_op(int cmd, int cpu, void *arg);
-
-extern long xencomm_hypercall_opt_feature(void *arg);
-
-#endif /* _ASM_IA64_XEN_XCOM_HCALL_H */
diff --git a/arch/ia64/include/asm/xen/xencomm.h b/arch/ia64/include/asm/xen/xencomm.h
deleted file mode 100644
index cded677bebf..00000000000
--- a/arch/ia64/include/asm/xen/xencomm.h
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Copyright (C) 2006 Hollis Blanchard <hollisb@us.ibm.com>, IBM Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#ifndef _ASM_IA64_XEN_XENCOMM_H
-#define _ASM_IA64_XEN_XENCOMM_H
-
-#include <xen/xencomm.h>
-#include <asm/pgtable.h>
-
-/* Must be called before any hypercall. */
-extern void xencomm_initialize(void);
-extern int xencomm_is_initialized(void);
-
-/* Check if virtual contiguity means physical contiguity
- * where the passed address is a pointer value in virtual address.
- * On ia64, identity mapping area in region 7 or the piece of region 5
- * that is mapped by itr[IA64_TR_KERNEL]/dtr[IA64_TR_KERNEL]
- */
-static inline int xencomm_is_phys_contiguous(unsigned long addr)
-{
- return (PAGE_OFFSET <= addr &&
- addr < (PAGE_OFFSET + (1UL << IA64_MAX_PHYS_BITS))) ||
- (KERNEL_START <= addr &&
- addr < KERNEL_START + KERNEL_TR_PAGE_SIZE);
-}
-
-#endif /* _ASM_IA64_XEN_XENCOMM_H */
diff --git a/arch/ia64/include/uapi/asm/break.h b/arch/ia64/include/uapi/asm/break.h
index e90c40ec9ed..f0340203989 100644
--- a/arch/ia64/include/uapi/asm/break.h
+++ b/arch/ia64/include/uapi/asm/break.h
@@ -20,13 +20,4 @@
*/
#define __IA64_BREAK_SYSCALL 0x100000
-/*
- * Xen specific break numbers:
- */
-#define __IA64_XEN_HYPERCALL 0x1000
-/* [__IA64_XEN_HYPERPRIVOP_START, __IA64_XEN_HYPERPRIVOP_MAX] is used
- for xen hyperprivops */
-#define __IA64_XEN_HYPERPRIVOP_START 0x1
-#define __IA64_XEN_HYPERPRIVOP_MAX 0x1a
-
#endif /* _ASM_IA64_BREAK_H */
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 59d52e3aef1..bfa19311e09 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -53,7 +53,6 @@
#include <asm/numa.h>
#include <asm/sal.h>
#include <asm/cyclone.h>
-#include <asm/xen/hypervisor.h>
#define BAD_MADT_ENTRY(entry, end) ( \
(!entry) || (unsigned long)entry + sizeof(*entry) > end || \
@@ -120,8 +119,6 @@ acpi_get_sysname(void)
return "uv";
else
return "sn2";
- } else if (xen_pv_domain() && !strcmp(hdr->oem_id, "XEN")) {
- return "xen";
}
#ifdef CONFIG_INTEL_IOMMU
diff --git a/arch/ia64/kernel/asm-offsets.c b/arch/ia64/kernel/asm-offsets.c
index 46c9e300731..60ef83e6db7 100644
--- a/arch/ia64/kernel/asm-offsets.c
+++ b/arch/ia64/kernel/asm-offsets.c
@@ -16,9 +16,6 @@
#include <asm/sigcontext.h>
#include <asm/mca.h>
-#include <asm/xen/interface.h>
-#include <asm/xen/hypervisor.h>
-
#include "../kernel/sigframe.h"
#include "../kernel/fsyscall_gtod_data.h"
@@ -290,33 +287,4 @@ void foo(void)
DEFINE(IA64_ITC_LASTCYCLE_OFFSET,
offsetof (struct itc_jitter_data_t, itc_lastcycle));
-#ifdef CONFIG_XEN
- BLANK();
-
- DEFINE(XEN_NATIVE_ASM, XEN_NATIVE);
- DEFINE(XEN_PV_DOMAIN_ASM, XEN_PV_DOMAIN);
-
-#define DEFINE_MAPPED_REG_OFS(sym, field) \
- DEFINE(sym, (XMAPPEDREGS_OFS + offsetof(struct mapped_regs, field)))
-
- DEFINE_MAPPED_REG_OFS(XSI_PSR_I_ADDR_OFS, interrupt_mask_addr);
- DEFINE_MAPPED_REG_OFS(XSI_IPSR_OFS, ipsr);
- DEFINE_MAPPED_REG_OFS(XSI_IIP_OFS, iip);
- DEFINE_MAPPED_REG_OFS(XSI_IFS_OFS, ifs);
- DEFINE_MAPPED_REG_OFS(XSI_PRECOVER_IFS_OFS, precover_ifs);
- DEFINE_MAPPED_REG_OFS(XSI_ISR_OFS, isr);
- DEFINE_MAPPED_REG_OFS(XSI_IFA_OFS, ifa);
- DEFINE_MAPPED_REG_OFS(XSI_IIPA_OFS, iipa);
- DEFINE_MAPPED_REG_OFS(XSI_IIM_OFS, iim);
- DEFINE_MAPPED_REG_OFS(XSI_IHA_OFS, iha);
- DEFINE_MAPPED_REG_OFS(XSI_ITIR_OFS, itir);
- DEFINE_MAPPED_REG_OFS(XSI_PSR_IC_OFS, interrupt_collection_enabled);
- DEFINE_MAPPED_REG_OFS(XSI_BANKNUM_OFS, banknum);
- DEFINE_MAPPED_REG_OFS(XSI_BANK0_R16_OFS, bank0_regs[0]);
- DEFINE_MAPPED_REG_OFS(XSI_BANK1_R16_OFS, bank1_regs[0]);
- DEFINE_MAPPED_REG_OFS(XSI_B0NATS_OFS, vbnat);
- DEFINE_MAPPED_REG_OFS(XSI_B1NATS_OFS, vnat);
- DEFINE_MAPPED_REG_OFS(XSI_ITC_OFFSET_OFS, itc_offset);
- DEFINE_MAPPED_REG_OFS(XSI_ITC_LAST_OFS, itc_last);
-#endif /* CONFIG_XEN */
}
diff --git a/arch/ia64/kernel/head.S b/arch/ia64/kernel/head.S
index 991ca336b8a..e6f80fcf013 100644
--- a/arch/ia64/kernel/head.S
+++ b/arch/ia64/kernel/head.S
@@ -416,8 +416,6 @@ start_ap:
default_setup_hook = 0 // Currently nothing needs to be done.
- .weak xen_setup_hook
-
.global hypervisor_type
hypervisor_type:
data8 PARAVIRT_HYPERVISOR_TYPE_DEFAULT
@@ -426,7 +424,6 @@ hypervisor_type:
hypervisor_setup_hooks:
data8 default_setup_hook
- data8 xen_setup_hook
num_hypervisor_hooks = (. - hypervisor_setup_hooks) / 8
.previous
diff --git a/arch/ia64/kernel/nr-irqs.c b/arch/ia64/kernel/nr-irqs.c
index ee564575148..f6769cd54bd 100644
--- a/arch/ia64/kernel/nr-irqs.c
+++ b/arch/ia64/kernel/nr-irqs.c
@@ -10,15 +10,11 @@
#include <linux/kbuild.h>
#include <linux/threads.h>
#include <asm/native/irq.h>
-#include <asm/xen/irq.h>
void foo(void)
{
union paravirt_nr_irqs_max {
char ia64_native_nr_irqs[IA64_NATIVE_NR_IRQS];
-#ifdef CONFIG_XEN
- char xen_nr_irqs[XEN_NR_IRQS];
-#endif
};
DEFINE(NR_IRQS, sizeof (union paravirt_nr_irqs_max));
diff --git a/arch/ia64/kernel/paravirt_inst.h b/arch/ia64/kernel/paravirt_inst.h
index 64d6d810c64..1ad7512b5f6 100644
--- a/arch/ia64/kernel/paravirt_inst.h
+++ b/arch/ia64/kernel/paravirt_inst.h
@@ -22,9 +22,6 @@
#ifdef __IA64_ASM_PARAVIRTUALIZED_PVCHECK
#include <asm/native/pvchk_inst.h>
-#elif defined(__IA64_ASM_PARAVIRTUALIZED_XEN)
-#include <asm/xen/inst.h>
-#include <asm/xen/minstate.h>
#else
#include <asm/native/inst.h>
#endif
diff --git a/arch/ia64/kernel/paravirt_patchlist.h b/arch/ia64/kernel/paravirt_patchlist.h
index 0684aa6c650..67cffc3643a 100644
--- a/arch/ia64/kernel/paravirt_patchlist.h
+++ b/arch/ia64/kernel/paravirt_patchlist.h
@@ -20,9 +20,5 @@
*
*/
-#if defined(__IA64_GATE_PARAVIRTUALIZED_XEN)
-#include <asm/xen/patchlist.h>
-#else
#include <asm/native/patchlist.h>
-#endif
diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S
index 0ccb28fab27..84f8a52ac5a 100644
--- a/arch/ia64/kernel/vmlinux.lds.S
+++ b/arch/ia64/kernel/vmlinux.lds.S
@@ -182,12 +182,6 @@ SECTIONS {
__start_gate_section = .;
*(.data..gate)
__stop_gate_section = .;
-#ifdef CONFIG_XEN
- . = ALIGN(PAGE_SIZE);
- __xen_start_gate_section = .;
- *(.data..gate.xen)
- __xen_stop_gate_section = .;
-#endif
}
/*
* make sure the gate page doesn't expose
diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c
index da5237d636d..52715a71aed 100644
--- a/arch/ia64/mm/contig.c
+++ b/arch/ia64/mm/contig.c
@@ -31,74 +31,6 @@
static unsigned long max_gap;
#endif
-/**
- * show_mem - give short summary of memory stats
- *
- * Shows a simple page count of reserved and used pages in the system.
- * For discontig machines, it does this on a per-pgdat basis.
- */
-void show_mem(unsigned int filter)
-{
- int i, total_reserved = 0;
- int total_shared = 0, total_cached = 0;
- unsigned long total_present = 0;
- pg_data_t *pgdat;
-
- printk(KERN_INFO "Mem-info:\n");
- show_free_areas(filter);
- printk(KERN_INFO "Node memory in pages:\n");
- if (filter & SHOW_MEM_FILTER_PAGE_COUNT)
- return;
- for_each_online_pgdat(pgdat) {
- unsigned long present;
- unsigned long flags;
- int shared = 0, cached = 0, reserved = 0;
- int nid = pgdat->node_id;
-
- if (skip_free_areas_node(filter, nid))
- continue;
- pgdat_resize_lock(pgdat, &flags);
- present = pgdat->node_present_pages;
- for(i = 0; i < pgdat->node_spanned_pages; i++) {
- struct page *page;
- if (unlikely(i % MAX_ORDER_NR_PAGES == 0))
- touch_nmi_watchdog();
- if (pfn_valid(pgdat->node_start_pfn + i))
- page = pfn_to_page(pgdat->node_start_pfn + i);
- else {
-#ifdef CONFIG_VIRTUAL_MEM_MAP
- if (max_gap < LARGE_GAP)
- continue;
-#endif
- i = vmemmap_find_next_valid_pfn(nid, i) - 1;
- continue;
- }
- if (PageReserved(page))
- reserved++;
- else if (PageSwapCache(page))
- cached++;
- else if (page_count(page))
- shared += page_count(page)-1;
- }
- pgdat_resize_unlock(pgdat, &flags);
- total_present += present;
- total_reserved += reserved;
- total_cached += cached;
- total_shared += shared;
- printk(KERN_INFO "Node %4d: RAM: %11ld, rsvd: %8d, "
- "shrd: %10d, swpd: %10d\n", nid,
- present, reserved, shared, cached);
- }
- printk(KERN_INFO "%ld pages of RAM\n", total_present);
- printk(KERN_INFO "%d reserved pages\n", total_reserved);
- printk(KERN_INFO "%d pages shared\n", total_shared);
- printk(KERN_INFO "%d pages swap cached\n", total_cached);
- printk(KERN_INFO "Total of %ld pages in page table cache\n",
- quicklist_total_size());
- printk(KERN_INFO "%ld free buffer pages\n", nr_free_buffer_pages());
-}
-
-
/* physical address where the bootmem map is located */
unsigned long bootmap_start;
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index 2de08f4d993..87862680536 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -608,69 +608,6 @@ void *per_cpu_init(void)
#endif /* CONFIG_SMP */
/**
- * show_mem - give short summary of memory stats
- *
- * Shows a simple page count of reserved and used pages in the system.
- * For discontig machines, it does this on a per-pgdat basis.
- */
-void show_mem(unsigned int filter)
-{
- int i, total_reserved = 0;
- int total_shared = 0, total_cached = 0;
- unsigned long total_present = 0;
- pg_data_t *pgdat;
-
- printk(KERN_INFO "Mem-info:\n");
- show_free_areas(filter);
- if (filter & SHOW_MEM_FILTER_PAGE_COUNT)
- return;
- printk(KERN_INFO "Node memory in pages:\n");
- for_each_online_pgdat(pgdat) {
- unsigned long present;
- unsigned long flags;
- int shared = 0, cached = 0, reserved = 0;
- int nid = pgdat->node_id;
-
- if (skip_free_areas_node(filter, nid))
- continue;
- pgdat_resize_lock(pgdat, &flags);
- present = pgdat->node_present_pages;
- for(i = 0; i < pgdat->node_spanned_pages; i++) {
- struct page *page;
- if (unlikely(i % MAX_ORDER_NR_PAGES == 0))
- touch_nmi_watchdog();
- if (pfn_valid(pgdat->node_start_pfn + i))
- page = pfn_to_page(pgdat->node_start_pfn + i);
- else {
- i = vmemmap_find_next_valid_pfn(nid, i) - 1;
- continue;
- }
- if (PageReserved(page))
- reserved++;
- else if (PageSwapCache(page))
- cached++;
- else if (page_count(page))
- shared += page_count(page)-1;
- }
- pgdat_resize_unlock(pgdat, &flags);
- total_present += present;
- total_reserved += reserved;
- total_cached += cached;
- total_shared += shared;
- printk(KERN_INFO "Node %4d: RAM: %11ld, rsvd: %8d, "
- "shrd: %10d, swpd: %10d\n", nid,
- present, reserved, shared, cached);
- }
- printk(KERN_INFO "%ld pages of RAM\n", total_present);
- printk(KERN_INFO "%d reserved pages\n", total_reserved);
- printk(KERN_INFO "%d pages shared\n", total_shared);
- printk(KERN_INFO "%d pages swap cached\n", total_cached);
- printk(KERN_INFO "Total of %ld pages in page table cache\n",
- quicklist_total_size());
- printk(KERN_INFO "%ld free buffer pages\n", nr_free_buffer_pages());
-}
-
-/**
* call_pernode_memory - use SRAT to call callback functions with node info
* @start: physical start of range
* @len: length of range
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 88504abf570..25c350264a4 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -684,3 +684,51 @@ per_linux32_init(void)
}
__initcall(per_linux32_init);
+
+/**
+ * show_mem - give short summary of memory stats
+ *
+ * Shows a simple page count of reserved and used pages in the system.
+ * For discontig machines, it does this on a per-pgdat basis.
+ */
+void show_mem(unsigned int filter)
+{
+ int total_reserved = 0;
+ unsigned long total_present = 0;
+ pg_data_t *pgdat;
+
+ printk(KERN_INFO "Mem-info:\n");
+ show_free_areas(filter);
+ printk(KERN_INFO "Node memory in pages:\n");
+ for_each_online_pgdat(pgdat) {
+ unsigned long present;
+ unsigned long flags;
+ int reserved = 0;
+ int nid = pgdat->node_id;
+ int zoneid;
+
+ if (skip_free_areas_node(filter, nid))
+ continue;
+ pgdat_resize_lock(pgdat, &flags);
+
+ for (zoneid = 0; zoneid < MAX_NR_ZONES; zoneid++) {
+ struct zone *zone = &pgdat->node_zones[zoneid];
+ if (!populated_zone(zone))
+ continue;
+
+ reserved += zone->present_pages - zone->managed_pages;
+ }
+ present = pgdat->node_present_pages;
+
+ pgdat_resize_unlock(pgdat, &flags);
+ total_present += present;
+ total_reserved += reserved;
+ printk(KERN_INFO "Node %4d: RAM: %11ld, rsvd: %8d, ",
+ nid, present, reserved);
+ }
+ printk(KERN_INFO "%ld pages of RAM\n", total_present);
+ printk(KERN_INFO "%d reserved pages\n", total_reserved);
+ printk(KERN_INFO "Total of %ld pages in page table cache\n",
+ quicklist_total_size());
+ printk(KERN_INFO "%ld free buffer pages\n", nr_free_buffer_pages());
+}
diff --git a/arch/ia64/sn/pci/pci_dma.c b/arch/ia64/sn/pci/pci_dma.c
index 3290d6e00c3..d0853e8e862 100644
--- a/arch/ia64/sn/pci/pci_dma.c
+++ b/arch/ia64/sn/pci/pci_dma.c
@@ -34,7 +34,7 @@
*/
static int sn_dma_supported(struct device *dev, u64 mask)
{
- BUG_ON(dev->bus != &pci_bus_type);
+ BUG_ON(!dev_is_pci(dev));
if (mask < 0x7fffffff)
return 0;
@@ -50,7 +50,7 @@ static int sn_dma_supported(struct device *dev, u64 mask)
*/
int sn_dma_set_mask(struct device *dev, u64 dma_mask)
{
- BUG_ON(dev->bus != &pci_bus_type);
+ BUG_ON(!dev_is_pci(dev));
if (!sn_dma_supported(dev, dma_mask))
return 0;
@@ -85,7 +85,7 @@ static void *sn_dma_alloc_coherent(struct device *dev, size_t size,
struct pci_dev *pdev = to_pci_dev(dev);
struct sn_pcibus_provider *provider = SN_PCIDEV_BUSPROVIDER(pdev);
- BUG_ON(dev->bus != &pci_bus_type);
+ BUG_ON(!dev_is_pci(dev));
/*
* Allocate the memory.
@@ -143,7 +143,7 @@ static void sn_dma_free_coherent(struct device *dev, size_t size, void *cpu_addr
struct pci_dev *pdev = to_pci_dev(dev);
struct sn_pcibus_provider *provider = SN_PCIDEV_BUSPROVIDER(pdev);
- BUG_ON(dev->bus != &pci_bus_type);
+ BUG_ON(!dev_is_pci(dev));
provider->dma_unmap(pdev, dma_handle, 0);
free_pages((unsigned long)cpu_addr, get_order(size));
@@ -187,7 +187,7 @@ static dma_addr_t sn_dma_map_page(struct device *dev, struct page *page,
dmabarr = dma_get_attr(DMA_ATTR_WRITE_BARRIER, attrs);
- BUG_ON(dev->bus != &pci_bus_type);
+ BUG_ON(!dev_is_pci(dev));
phys_addr = __pa(cpu_addr);
if (dmabarr)
@@ -223,7 +223,7 @@ static void sn_dma_unmap_page(struct device *dev, dma_addr_t dma_addr,
struct pci_dev *pdev = to_pci_dev(dev);
struct sn_pcibus_provider *provider = SN_PCIDEV_BUSPROVIDER(pdev);
- BUG_ON(dev->bus != &pci_bus_type);
+ BUG_ON(!dev_is_pci(dev));
provider->dma_unmap(pdev, dma_addr, dir);
}
@@ -247,7 +247,7 @@ static void sn_dma_unmap_sg(struct device *dev, struct scatterlist *sgl,
struct sn_pcibus_provider *provider = SN_PCIDEV_BUSPROVIDER(pdev);
struct scatterlist *sg;
- BUG_ON(dev->bus != &pci_bus_type);
+ BUG_ON(!dev_is_pci(dev));
for_each_sg(sgl, sg, nhwentries, i) {
provider->dma_unmap(pdev, sg->dma_address, dir);
@@ -284,7 +284,7 @@ static int sn_dma_map_sg(struct device *dev, struct scatterlist *sgl,
dmabarr = dma_get_attr(DMA_ATTR_WRITE_BARRIER, attrs);
- BUG_ON(dev->bus != &pci_bus_type);
+ BUG_ON(!dev_is_pci(dev));
/*
* Setup a DMA address for each entry in the scatterlist.
@@ -323,26 +323,26 @@ static int sn_dma_map_sg(struct device *dev, struct scatterlist *sgl,
static void sn_dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle,
size_t size, enum dma_data_direction dir)
{
- BUG_ON(dev->bus != &pci_bus_type);
+ BUG_ON(!dev_is_pci(dev));
}
static void sn_dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle,
size_t size,
enum dma_data_direction dir)
{
- BUG_ON(dev->bus != &pci_bus_type);
+ BUG_ON(!dev_is_pci(dev));
}
static void sn_dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
int nelems, enum dma_data_direction dir)
{
- BUG_ON(dev->bus != &pci_bus_type);
+ BUG_ON(!dev_is_pci(dev));
}
static void sn_dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg,
int nelems, enum dma_data_direction dir)
{
- BUG_ON(dev->bus != &pci_bus_type);
+ BUG_ON(!dev_is_pci(dev));
}
static int sn_dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
diff --git a/arch/ia64/xen/Kconfig b/arch/ia64/xen/Kconfig
deleted file mode 100644
index 5d8a06b0ddf..00000000000
--- a/arch/ia64/xen/Kconfig
+++ /dev/null
@@ -1,25 +0,0 @@
-#
-# This Kconfig describes xen/ia64 options
-#
-
-config XEN
- bool "Xen hypervisor support"
- default y
- depends on PARAVIRT && MCKINLEY && IA64_PAGE_SIZE_16KB
- select XEN_XENCOMM
- select NO_IDLE_HZ
- # followings are required to save/restore.
- select ARCH_SUSPEND_POSSIBLE
- select SUSPEND
- select PM_SLEEP
- help
- Enable Xen hypervisor support. Resulting kernel runs
- both as a guest OS on Xen and natively on hardware.
-
-config XEN_XENCOMM
- depends on XEN
- bool
-
-config NO_IDLE_HZ
- depends on XEN
- bool
diff --git a/arch/ia64/xen/Makefile b/arch/ia64/xen/Makefile
deleted file mode 100644
index e6f4a0a7422..00000000000
--- a/arch/ia64/xen/Makefile
+++ /dev/null
@@ -1,37 +0,0 @@
-#
-# Makefile for Xen components
-#
-
-obj-y := hypercall.o xenivt.o xensetup.o xen_pv_ops.o irq_xen.o \
- hypervisor.o xencomm.o xcom_hcall.o grant-table.o time.o suspend.o \
- gate-data.o
-
-obj-$(CONFIG_IA64_GENERIC) += machvec.o
-
-# The gate DSO image is built using a special linker script.
-include $(srctree)/arch/ia64/kernel/Makefile.gate
-
-# tell compiled for xen
-CPPFLAGS_gate.lds += -D__IA64_GATE_PARAVIRTUALIZED_XEN
-AFLAGS_gate.o += -D__IA64_ASM_PARAVIRTUALIZED_XEN -D__IA64_GATE_PARAVIRTUALIZED_XEN
-
-# use same file of native.
-$(obj)/gate.o: $(src)/../kernel/gate.S FORCE
- $(call if_changed_dep,as_o_S)
-$(obj)/gate.lds: $(src)/../kernel/gate.lds.S FORCE
- $(call if_changed_dep,cpp_lds_S)
-
-
-AFLAGS_xenivt.o += -D__IA64_ASM_PARAVIRTUALIZED_XEN
-
-# xen multi compile
-ASM_PARAVIRT_MULTI_COMPILE_SRCS = ivt.S entry.S fsys.S
-ASM_PARAVIRT_OBJS = $(addprefix xen-,$(ASM_PARAVIRT_MULTI_COMPILE_SRCS:.S=.o))
-obj-y += $(ASM_PARAVIRT_OBJS)
-define paravirtualized_xen
-AFLAGS_$(1) += -D__IA64_ASM_PARAVIRTUALIZED_XEN
-endef
-$(foreach o,$(ASM_PARAVIRT_OBJS),$(eval $(call paravirtualized_xen,$(o))))
-
-$(obj)/xen-%.o: $(src)/../kernel/%.S FORCE
- $(call if_changed_dep,as_o_S)
diff --git a/arch/ia64/xen/gate-data.S b/arch/ia64/xen/gate-data.S
deleted file mode 100644
index 6f95b6b32a4..00000000000
--- a/arch/ia64/xen/gate-data.S
+++ /dev/null
@@ -1,3 +0,0 @@
- .section .data..gate.xen, "aw"
-
- .incbin "arch/ia64/xen/gate.so"
diff --git a/arch/ia64/xen/grant-table.c b/arch/ia64/xen/grant-table.c
deleted file mode 100644
index c18281332f8..00000000000
--- a/arch/ia64/xen/grant-table.c
+++ /dev/null
@@ -1,94 +0,0 @@
-/******************************************************************************
- * arch/ia64/xen/grant-table.c
- *
- * Copyright (c) 2006 Isaku Yamahata <yamahata at valinux co jp>
- * VA Linux Systems Japan K.K.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#include <linux/module.h>
-#include <linux/vmalloc.h>
-#include <linux/slab.h>
-#include <linux/mm.h>
-
-#include <xen/interface/xen.h>
-#include <xen/interface/memory.h>
-#include <xen/grant_table.h>
-
-#include <asm/xen/hypervisor.h>
-
-/****************************************************************************
- * grant table hack
- * cmd: GNTTABOP_xxx
- */
-
-int arch_gnttab_map_shared(unsigned long *frames, unsigned long nr_gframes,
- unsigned long max_nr_gframes,
- struct grant_entry **__shared)
-{
- *__shared = __va(frames[0] << PAGE_SHIFT);
- return 0;
-}
-
-void arch_gnttab_unmap_shared(struct grant_entry *shared,
- unsigned long nr_gframes)
-{
- /* nothing */
-}
-
-static void
-gnttab_map_grant_ref_pre(struct gnttab_map_grant_ref *uop)
-{
- uint32_t flags;
-
- flags = uop->flags;
-
- if (flags & GNTMAP_host_map) {
- if (flags & GNTMAP_application_map) {
- printk(KERN_DEBUG
- "GNTMAP_application_map is not supported yet: "
- "flags 0x%x\n", flags);
- BUG();
- }
- if (flags & GNTMAP_contains_pte) {
- printk(KERN_DEBUG
- "GNTMAP_contains_pte is not supported yet: "
- "flags 0x%x\n", flags);
- BUG();
- }
- } else if (flags & GNTMAP_device_map) {
- printk("GNTMAP_device_map is not supported yet 0x%x\n", flags);
- BUG(); /* not yet. actually this flag is not used. */
- } else {
- BUG();
- }
-}
-
-int
-HYPERVISOR_grant_table_op(unsigned int cmd, void *uop, unsigned int count)
-{
- if (cmd == GNTTABOP_map_grant_ref) {
- unsigned int i;
- for (i = 0; i < count; i++) {
- gnttab_map_grant_ref_pre(
- (struct gnttab_map_grant_ref *)uop + i);
- }
- }
- return xencomm_hypercall_grant_table_op(cmd, uop, count);
-}
-
-EXPORT_SYMBOL(HYPERVISOR_grant_table_op);
diff --git a/arch/ia64/xen/hypercall.S b/arch/ia64/xen/hypercall.S
deleted file mode 100644
index 08847aa1258..00000000000
--- a/arch/ia64/xen/hypercall.S
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * Support routines for Xen hypercalls
- *
- * Copyright (C) 2005 Dan Magenheimer <dan.magenheimer@hp.com>
- * Copyright (C) 2008 Yaozu (Eddie) Dong <eddie.dong@intel.com>
- */
-
-#include <asm/asmmacro.h>
-#include <asm/intrinsics.h>
-#include <asm/xen/privop.h>
-
-#ifdef __INTEL_COMPILER
-/*
- * Hypercalls without parameter.
- */
-#define __HCALL0(name,hcall) \
- GLOBAL_ENTRY(name); \
- break hcall; \
- br.ret.sptk.many rp; \
- END(name)
-
-/*
- * Hypercalls with 1 parameter.
- */
-#define __HCALL1(name,hcall) \
- GLOBAL_ENTRY(name); \
- mov r8=r32; \
- break hcall; \
- br.ret.sptk.many rp; \
- END(name)
-
-/*
- * Hypercalls with 2 parameters.
- */
-#define __HCALL2(name,hcall) \
- GLOBAL_ENTRY(name); \
- mov r8=r32; \
- mov r9=r33; \
- break hcall; \
- br.ret.sptk.many rp; \
- END(name)
-
-__HCALL0(xen_get_psr, HYPERPRIVOP_GET_PSR)
-__HCALL0(xen_get_ivr, HYPERPRIVOP_GET_IVR)
-__HCALL0(xen_get_tpr, HYPERPRIVOP_GET_TPR)
-__HCALL0(xen_hyper_ssm_i, HYPERPRIVOP_SSM_I)
-
-__HCALL1(xen_set_tpr, HYPERPRIVOP_SET_TPR)
-__HCALL1(xen_eoi, HYPERPRIVOP_EOI)
-__HCALL1(xen_thash, HYPERPRIVOP_THASH)
-__HCALL1(xen_set_itm, HYPERPRIVOP_SET_ITM)
-__HCALL1(xen_get_rr, HYPERPRIVOP_GET_RR)
-__HCALL1(xen_fc, HYPERPRIVOP_FC)
-__HCALL1(xen_get_cpuid, HYPERPRIVOP_GET_CPUID)
-__HCALL1(xen_get_pmd, HYPERPRIVOP_GET_PMD)
-
-__HCALL2(xen_ptcga, HYPERPRIVOP_PTC_GA)
-__HCALL2(xen_set_rr, HYPERPRIVOP_SET_RR)
-__HCALL2(xen_set_kr, HYPERPRIVOP_SET_KR)
-
-GLOBAL_ENTRY(xen_set_rr0_to_rr4)
- mov r8=r32
- mov r9=r33
- mov r10=r34
- mov r11=r35
- mov r14=r36
- XEN_HYPER_SET_RR0_TO_RR4
- br.ret.sptk.many rp
- ;;
-END(xen_set_rr0_to_rr4)
-#endif
-
-GLOBAL_ENTRY(xen_send_ipi)
- mov r14=r32
- mov r15=r33
- mov r2=0x400
- break 0x1000
- ;;
- br.ret.sptk.many rp
- ;;
-END(xen_send_ipi)
-
-GLOBAL_ENTRY(__hypercall)
- mov r2=r37
- break 0x1000
- br.ret.sptk.many b0
- ;;
-END(__hypercall)
diff --git a/arch/ia64/xen/hypervisor.c b/arch/ia64/xen/hypervisor.c
deleted file mode 100644
index fab62528a80..00000000000
--- a/arch/ia64/xen/hypervisor.c
+++ /dev/null
@@ -1,97 +0,0 @@
-/******************************************************************************
- * arch/ia64/xen/hypervisor.c
- *
- * Copyright (c) 2006 Isaku Yamahata <yamahata at valinux co jp>
- * VA Linux Systems Japan K.K.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#include <linux/efi.h>
-#include <linux/export.h>
-#include <asm/xen/hypervisor.h>
-#include <asm/xen/privop.h>
-
-#include "irq_xen.h"
-
-struct shared_info *HYPERVISOR_shared_info __read_mostly =
- (struct shared_info *)XSI_BASE;
-EXPORT_SYMBOL(HYPERVISOR_shared_info);
-
-DEFINE_PER_CPU(struct vcpu_info *, xen_vcpu);
-
-struct start_info *xen_start_info;
-EXPORT_SYMBOL(xen_start_info);
-
-EXPORT_SYMBOL(xen_domain_type);
-
-EXPORT_SYMBOL(__hypercall);
-
-/* Stolen from arch/x86/xen/enlighten.c */
-/*
- * Flag to determine whether vcpu info placement is available on all
- * VCPUs. We assume it is to start with, and then set it to zero on
- * the first failure. This is because it can succeed on some VCPUs
- * and not others, since it can involve hypervisor memory allocation,
- * or because the guest failed to guarantee all the appropriate
- * constraints on all VCPUs (ie buffer can't cross a page boundary).
- *
- * Note that any particular CPU may be using a placed vcpu structure,
- * but we can only optimise if the all are.
- *
- * 0: not available, 1: available
- */
-
-static void __init xen_vcpu_setup(int cpu)
-{
- /*
- * WARNING:
- * before changing MAX_VIRT_CPUS,
- * check that shared_info fits on a page
- */
- BUILD_BUG_ON(sizeof(struct shared_info) > PAGE_SIZE);
- per_cpu(xen_vcpu, cpu) = &HYPERVISOR_shared_info->vcpu_info[cpu];
-}
-
-void __init xen_setup_vcpu_info_placement(void)
-{
- int cpu;
-
- for_each_possible_cpu(cpu)
- xen_vcpu_setup(cpu);
-}
-
-void
-xen_cpu_init(void)
-{
- xen_smp_intr_init();
-}
-
-/**************************************************************************
- * opt feature
- */
-void
-xen_ia64_enable_opt_feature(void)
-{
- /* Enable region 7 identity map optimizations in Xen */
- struct xen_ia64_opt_feature optf;
-
- optf.cmd = XEN_IA64_OPTF_IDENT_MAP_REG7;
- optf.on = XEN_IA64_OPTF_ON;
- optf.pgprot = pgprot_val(PAGE_KERNEL);
- optf.key = 0; /* No key on linux. */
- HYPERVISOR_opt_feature(&optf);
-}
diff --git a/arch/ia64/xen/irq_xen.c b/arch/ia64/xen/irq_xen.c
deleted file mode 100644
index efb74dafec4..00000000000
--- a/arch/ia64/xen/irq_xen.c
+++ /dev/null
@@ -1,443 +0,0 @@
-/******************************************************************************
- * arch/ia64/xen/irq_xen.c
- *
- * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
- * VA Linux Systems Japan K.K.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#include <linux/cpu.h>
-
-#include <xen/interface/xen.h>
-#include <xen/interface/callback.h>
-#include <xen/events.h>
-
-#include <asm/xen/privop.h>
-
-#include "irq_xen.h"
-
-/***************************************************************************
- * pv_irq_ops
- * irq operations
- */
-
-static int
-xen_assign_irq_vector(int irq)
-{
- struct physdev_irq irq_op;
-
- irq_op.irq = irq;
- if (HYPERVISOR_physdev_op(PHYSDEVOP_alloc_irq_vector, &irq_op))
- return -ENOSPC;
-
- return irq_op.vector;
-}
-
-static void
-xen_free_irq_vector(int vector)
-{
- struct physdev_irq irq_op;
-
- if (vector < IA64_FIRST_DEVICE_VECTOR ||
- vector > IA64_LAST_DEVICE_VECTOR)
- return;
-
- irq_op.vector = vector;
- if (HYPERVISOR_physdev_op(PHYSDEVOP_free_irq_vector, &irq_op))
- printk(KERN_WARNING "%s: xen_free_irq_vector fail vector=%d\n",
- __func__, vector);
-}
-
-
-static DEFINE_PER_CPU(int, xen_timer_irq) = -1;
-static DEFINE_PER_CPU(int, xen_ipi_irq) = -1;
-static DEFINE_PER_CPU(int, xen_resched_irq) = -1;
-static DEFINE_PER_CPU(int, xen_cmc_irq) = -1;
-static DEFINE_PER_CPU(int, xen_cmcp_irq) = -1;
-static DEFINE_PER_CPU(int, xen_cpep_irq) = -1;
-#define NAME_SIZE 15
-static DEFINE_PER_CPU(char[NAME_SIZE], xen_timer_name);
-static DEFINE_PER_CPU(char[NAME_SIZE], xen_ipi_name);
-static DEFINE_PER_CPU(char[NAME_SIZE], xen_resched_name);
-static DEFINE_PER_CPU(char[NAME_SIZE], xen_cmc_name);
-static DEFINE_PER_CPU(char[NAME_SIZE], xen_cmcp_name);
-static DEFINE_PER_CPU(char[NAME_SIZE], xen_cpep_name);
-#undef NAME_SIZE
-
-struct saved_irq {
- unsigned int irq;
- struct irqaction *action;
-};
-/* 16 should be far optimistic value, since only several percpu irqs
- * are registered early.
- */
-#define MAX_LATE_IRQ 16
-static struct saved_irq saved_percpu_irqs[MAX_LATE_IRQ];
-static unsigned short late_irq_cnt;
-static unsigned short saved_irq_cnt;
-static int xen_slab_ready;
-
-#ifdef CONFIG_SMP
-#include <linux/sched.h>
-
-/* Dummy stub. Though we may check XEN_RESCHEDULE_VECTOR before __do_IRQ,
- * it ends up to issue several memory accesses upon percpu data and
- * thus adds unnecessary traffic to other paths.
- */
-static irqreturn_t
-xen_dummy_handler(int irq, void *dev_id)
-{
- return IRQ_HANDLED;
-}
-
-static irqreturn_t
-xen_resched_handler(int irq, void *dev_id)
-{
- scheduler_ipi();
- return IRQ_HANDLED;
-}
-
-static struct irqaction xen_ipi_irqaction = {
- .handler = handle_IPI,
- .flags = IRQF_DISABLED,
- .name = "IPI"
-};
-
-static struct irqaction xen_resched_irqaction = {
- .handler = xen_resched_handler,
- .flags = IRQF_DISABLED,
- .name = "resched"
-};
-
-static struct irqaction xen_tlb_irqaction = {
- .handler = xen_dummy_handler,
- .flags = IRQF_DISABLED,
- .name = "tlb_flush"
-};
-#endif
-
-/*
- * This is xen version percpu irq registration, which needs bind
- * to xen specific evtchn sub-system. One trick here is that xen
- * evtchn binding interface depends on kmalloc because related
- * port needs to be freed at device/cpu down. So we cache the
- * registration on BSP before slab is ready and then deal them
- * at later point. For rest instances happening after slab ready,
- * we hook them to xen evtchn immediately.
- *
- * FIXME: MCA is not supported by far, and thus "nomca" boot param is
- * required.
- */
-static void
-__xen_register_percpu_irq(unsigned int cpu, unsigned int vec,
- struct irqaction *action, int save)
-{
- int irq = 0;
-
- if (xen_slab_ready) {
- switch (vec) {
- case IA64_TIMER_VECTOR:
- snprintf(per_cpu(xen_timer_name, cpu),
- sizeof(per_cpu(xen_timer_name, cpu)),
- "%s%d", action->name, cpu);
- irq = bind_virq_to_irqhandler(VIRQ_ITC, cpu,
- action->handler, action->flags,
- per_cpu(xen_timer_name, cpu), action->dev_id);
- per_cpu(xen_timer_irq, cpu) = irq;
- break;
- case IA64_IPI_RESCHEDULE:
- snprintf(per_cpu(xen_resched_name, cpu),
- sizeof(per_cpu(xen_resched_name, cpu)),
- "%s%d", action->name, cpu);
- irq = bind_ipi_to_irqhandler(XEN_RESCHEDULE_VECTOR, cpu,
- action->handler, action->flags,
- per_cpu(xen_resched_name, cpu), action->dev_id);
- per_cpu(xen_resched_irq, cpu) = irq;
- break;
- case IA64_IPI_VECTOR:
- snprintf(per_cpu(xen_ipi_name, cpu),
- sizeof(per_cpu(xen_ipi_name, cpu)),
- "%s%d", action->name, cpu);
- irq = bind_ipi_to_irqhandler(XEN_IPI_VECTOR, cpu,
- action->handler, action->flags,
- per_cpu(xen_ipi_name, cpu), action->dev_id);
- per_cpu(xen_ipi_irq, cpu) = irq;
- break;
- case IA64_CMC_VECTOR:
- snprintf(per_cpu(xen_cmc_name, cpu),
- sizeof(per_cpu(xen_cmc_name, cpu)),
- "%s%d", action->name, cpu);
- irq = bind_virq_to_irqhandler(VIRQ_MCA_CMC, cpu,
- action->handler,
- action->flags,
- per_cpu(xen_cmc_name, cpu),
- action->dev_id);
- per_cpu(xen_cmc_irq, cpu) = irq;
- break;
- case IA64_CMCP_VECTOR:
- snprintf(per_cpu(xen_cmcp_name, cpu),
- sizeof(per_cpu(xen_cmcp_name, cpu)),
- "%s%d", action->name, cpu);
- irq = bind_ipi_to_irqhandler(XEN_CMCP_VECTOR, cpu,
- action->handler,
- action->flags,
- per_cpu(xen_cmcp_name, cpu),
- action->dev_id);
- per_cpu(xen_cmcp_irq, cpu) = irq;
- break;
- case IA64_CPEP_VECTOR:
- snprintf(per_cpu(xen_cpep_name, cpu),
- sizeof(per_cpu(xen_cpep_name, cpu)),
- "%s%d", action->name, cpu);
- irq = bind_ipi_to_irqhandler(XEN_CPEP_VECTOR, cpu,
- action->handler,
- action->flags,
- per_cpu(xen_cpep_name, cpu),
- action->dev_id);
- per_cpu(xen_cpep_irq, cpu) = irq;
- break;
- case IA64_CPE_VECTOR:
- case IA64_MCA_RENDEZ_VECTOR:
- case IA64_PERFMON_VECTOR:
- case IA64_MCA_WAKEUP_VECTOR:
- case IA64_SPURIOUS_INT_VECTOR:
- /* No need to complain, these aren't supported. */
- break;
- default:
- printk(KERN_WARNING "Percpu irq %d is unsupported "
- "by xen!\n", vec);
- break;
- }
- BUG_ON(irq < 0);
-
- if (irq > 0) {
- /*
- * Mark percpu. Without this, migrate_irqs() will
- * mark the interrupt for migrations and trigger it
- * on cpu hotplug.
- */
- irq_set_status_flags(irq, IRQ_PER_CPU);
- }
- }
-
- /* For BSP, we cache registered percpu irqs, and then re-walk
- * them when initializing APs
- */
- if (!cpu && save) {
- BUG_ON(saved_irq_cnt == MAX_LATE_IRQ);
- saved_percpu_irqs[saved_irq_cnt].irq = vec;
- saved_percpu_irqs[saved_irq_cnt].action = action;
- saved_irq_cnt++;
- if (!xen_slab_ready)
- late_irq_cnt++;
- }
-}
-
-static void
-xen_register_percpu_irq(ia64_vector vec, struct irqaction *action)
-{
- __xen_register_percpu_irq(smp_processor_id(), vec, action, 1);
-}
-
-static void
-xen_bind_early_percpu_irq(void)
-{
- int i;
-
- xen_slab_ready = 1;
- /* There's no race when accessing this cached array, since only
- * BSP will face with such step shortly
- */
- for (i = 0; i < late_irq_cnt; i++)
- __xen_register_percpu_irq(smp_processor_id(),
- saved_percpu_irqs[i].irq,
- saved_percpu_irqs[i].action, 0);
-}
-
-/* FIXME: There's no obvious point to check whether slab is ready. So
- * a hack is used here by utilizing a late time hook.
- */
-
-#ifdef CONFIG_HOTPLUG_CPU
-static int unbind_evtchn_callback(struct notifier_block *nfb,
- unsigned long action, void *hcpu)
-{
- unsigned int cpu = (unsigned long)hcpu;
-
- if (action == CPU_DEAD) {
- /* Unregister evtchn. */
- if (per_cpu(xen_cpep_irq, cpu) >= 0) {
- unbind_from_irqhandler(per_cpu(xen_cpep_irq, cpu),
- NULL);
- per_cpu(xen_cpep_irq, cpu) = -1;
- }
- if (per_cpu(xen_cmcp_irq, cpu) >= 0) {
- unbind_from_irqhandler(per_cpu(xen_cmcp_irq, cpu),
- NULL);
- per_cpu(xen_cmcp_irq, cpu) = -1;
- }
- if (per_cpu(xen_cmc_irq, cpu) >= 0) {
- unbind_from_irqhandler(per_cpu(xen_cmc_irq, cpu), NULL);
- per_cpu(xen_cmc_irq, cpu) = -1;
- }
- if (per_cpu(xen_ipi_irq, cpu) >= 0) {
- unbind_from_irqhandler(per_cpu(xen_ipi_irq, cpu), NULL);
- per_cpu(xen_ipi_irq, cpu) = -1;
- }
- if (per_cpu(xen_resched_irq, cpu) >= 0) {
- unbind_from_irqhandler(per_cpu(xen_resched_irq, cpu),
- NULL);
- per_cpu(xen_resched_irq, cpu) = -1;
- }
- if (per_cpu(xen_timer_irq, cpu) >= 0) {
- unbind_from_irqhandler(per_cpu(xen_timer_irq, cpu),
- NULL);
- per_cpu(xen_timer_irq, cpu) = -1;
- }
- }
- return NOTIFY_OK;
-}
-
-static struct notifier_block unbind_evtchn_notifier = {
- .notifier_call = unbind_evtchn_callback,
- .priority = 0
-};
-#endif
-
-void xen_smp_intr_init_early(unsigned int cpu)
-{
-#ifdef CONFIG_SMP
- unsigned int i;
-
- for (i = 0; i < saved_irq_cnt; i++)
- __xen_register_percpu_irq(cpu, saved_percpu_irqs[i].irq,
- saved_percpu_irqs[i].action, 0);
-#endif
-}
-
-void xen_smp_intr_init(void)
-{
-#ifdef CONFIG_SMP
- unsigned int cpu = smp_processor_id();
- struct callback_register event = {
- .type = CALLBACKTYPE_event,
- .address = { .ip = (unsigned long)&xen_event_callback },
- };
-
- if (cpu == 0) {
- /* Initialization was already done for boot cpu. */
-#ifdef CONFIG_HOTPLUG_CPU
- /* Register the notifier only once. */
- register_cpu_notifier(&unbind_evtchn_notifier);
-#endif
- return;
- }
-
- /* This should be piggyback when setup vcpu guest context */
- BUG_ON(HYPERVISOR_callback_op(CALLBACKOP_register, &event));
-#endif /* CONFIG_SMP */
-}
-
-void __init
-xen_irq_init(void)
-{
- struct callback_register event = {
- .type = CALLBACKTYPE_event,
- .address = { .ip = (unsigned long)&xen_event_callback },
- };
-
- xen_init_IRQ();
- BUG_ON(HYPERVISOR_callback_op(CALLBACKOP_register, &event));
- late_time_init = xen_bind_early_percpu_irq;
-}
-
-void
-xen_platform_send_ipi(int cpu, int vector, int delivery_mode, int redirect)
-{
-#ifdef CONFIG_SMP
- /* TODO: we need to call vcpu_up here */
- if (unlikely(vector == ap_wakeup_vector)) {
- /* XXX
- * This should be in __cpu_up(cpu) in ia64 smpboot.c
- * like x86. But don't want to modify it,
- * keep it untouched.
- */
- xen_smp_intr_init_early(cpu);
-
- xen_send_ipi(cpu, vector);
- /* vcpu_prepare_and_up(cpu); */
- return;
- }
-#endif
-
- switch (vector) {
- case IA64_IPI_VECTOR:
- xen_send_IPI_one(cpu, XEN_IPI_VECTOR);
- break;
- case IA64_IPI_RESCHEDULE:
- xen_send_IPI_one(cpu, XEN_RESCHEDULE_VECTOR);
- break;
- case IA64_CMCP_VECTOR:
- xen_send_IPI_one(cpu, XEN_CMCP_VECTOR);
- break;
- case IA64_CPEP_VECTOR:
- xen_send_IPI_one(cpu, XEN_CPEP_VECTOR);
- break;
- case IA64_TIMER_VECTOR: {
- /* this is used only once by check_sal_cache_flush()
- at boot time */
- static int used = 0;
- if (!used) {
- xen_send_ipi(cpu, IA64_TIMER_VECTOR);
- used = 1;
- break;
- }
- /* fallthrough */
- }
- default:
- printk(KERN_WARNING "Unsupported IPI type 0x%x\n",
- vector);
- notify_remote_via_irq(0); /* defaults to 0 irq */
- break;
- }
-}
-
-static void __init
-xen_register_ipi(void)
-{
-#ifdef CONFIG_SMP
- register_percpu_irq(IA64_IPI_VECTOR, &xen_ipi_irqaction);
- register_percpu_irq(IA64_IPI_RESCHEDULE, &xen_resched_irqaction);
- register_percpu_irq(IA64_IPI_LOCAL_TLB_FLUSH, &xen_tlb_irqaction);
-#endif
-}
-
-static void
-xen_resend_irq(unsigned int vector)
-{
- (void)resend_irq_on_evtchn(vector);
-}
-
-const struct pv_irq_ops xen_irq_ops __initconst = {
- .register_ipi = xen_register_ipi,
-
- .assign_irq_vector = xen_assign_irq_vector,
- .free_irq_vector = xen_free_irq_vector,
- .register_percpu_irq = xen_register_percpu_irq,
-
- .resend_irq = xen_resend_irq,
-};
diff --git a/arch/ia64/xen/irq_xen.h b/arch/ia64/xen/irq_xen.h
deleted file mode 100644
index 1778517b90f..00000000000
--- a/arch/ia64/xen/irq_xen.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/******************************************************************************
- * arch/ia64/xen/irq_xen.h
- *
- * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
- * VA Linux Systems Japan K.K.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#ifndef IRQ_XEN_H
-#define IRQ_XEN_H
-
-extern void (*late_time_init)(void);
-extern char xen_event_callback;
-void __init xen_init_IRQ(void);
-
-extern const struct pv_irq_ops xen_irq_ops __initconst;
-extern void xen_smp_intr_init(void);
-extern void xen_send_ipi(int cpu, int vec);
-
-#endif /* IRQ_XEN_H */
diff --git a/arch/ia64/xen/machvec.c b/arch/ia64/xen/machvec.c
deleted file mode 100644
index 4ad588a7c27..00000000000
--- a/arch/ia64/xen/machvec.c
+++ /dev/null
@@ -1,4 +0,0 @@
-#define MACHVEC_PLATFORM_NAME xen
-#define MACHVEC_PLATFORM_HEADER <asm/machvec_xen.h>
-#include <asm/machvec_init.h>
-
diff --git a/arch/ia64/xen/suspend.c b/arch/ia64/xen/suspend.c
deleted file mode 100644
index 419c8620945..00000000000
--- a/arch/ia64/xen/suspend.c
+++ /dev/null
@@ -1,59 +0,0 @@
-/******************************************************************************
- * arch/ia64/xen/suspend.c
- *
- * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
- * VA Linux Systems Japan K.K.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * suspend/resume
- */
-
-#include <xen/xen-ops.h>
-#include <asm/xen/hypervisor.h>
-#include "time.h"
-
-void
-xen_mm_pin_all(void)
-{
- /* nothing */
-}
-
-void
-xen_mm_unpin_all(void)
-{
- /* nothing */
-}
-
-void
-xen_arch_pre_suspend()
-{
- /* nothing */
-}
-
-void
-xen_arch_post_suspend(int suspend_cancelled)
-{
- if (suspend_cancelled)
- return;
-
- xen_ia64_enable_opt_feature();
- /* add more if necessary */
-}
-
-void xen_arch_resume(void)
-{
- xen_timer_resume_on_aps();
-}
diff --git a/arch/ia64/xen/time.c b/arch/ia64/xen/time.c
deleted file mode 100644
index 1f8244a78be..00000000000
--- a/arch/ia64/xen/time.c
+++ /dev/null
@@ -1,257 +0,0 @@
-/******************************************************************************
- * arch/ia64/xen/time.c
- *
- * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
- * VA Linux Systems Japan K.K.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#include <linux/delay.h>
-#include <linux/kernel_stat.h>
-#include <linux/posix-timers.h>
-#include <linux/irq.h>
-#include <linux/clocksource.h>
-
-#include <asm/timex.h>
-
-#include <asm/xen/hypervisor.h>
-
-#include <xen/interface/vcpu.h>
-
-#include "../kernel/fsyscall_gtod_data.h"
-
-static DEFINE_PER_CPU(struct vcpu_runstate_info, xen_runstate);
-static DEFINE_PER_CPU(unsigned long, xen_stolen_time);
-static DEFINE_PER_CPU(unsigned long, xen_blocked_time);
-
-/* taken from i386/kernel/time-xen.c */
-static void xen_init_missing_ticks_accounting(int cpu)
-{
- struct vcpu_register_runstate_memory_area area;
- struct vcpu_runstate_info *runstate = &per_cpu(xen_runstate, cpu);
- int rc;
-
- memset(runstate, 0, sizeof(*runstate));
-
- area.addr.v = runstate;
- rc = HYPERVISOR_vcpu_op(VCPUOP_register_runstate_memory_area, cpu,
- &area);
- WARN_ON(rc && rc != -ENOSYS);
-
- per_cpu(xen_blocked_time, cpu) = runstate->time[RUNSTATE_blocked];
- per_cpu(xen_stolen_time, cpu) = runstate->time[RUNSTATE_runnable]
- + runstate->time[RUNSTATE_offline];
-}
-
-/*
- * Runstate accounting
- */
-/* stolen from arch/x86/xen/time.c */
-static void get_runstate_snapshot(struct vcpu_runstate_info *res)
-{
- u64 state_time;
- struct vcpu_runstate_info *state;
-
- BUG_ON(preemptible());
-
- state = &__get_cpu_var(xen_runstate);
-
- /*
- * The runstate info is always updated by the hypervisor on
- * the current CPU, so there's no need to use anything
- * stronger than a compiler barrier when fetching it.
- */
- do {
- state_time = state->state_entry_time;
- rmb();
- *res = *state;
- rmb();
- } while (state->state_entry_time != state_time);
-}
-
-#define NS_PER_TICK (1000000000LL/HZ)
-
-static unsigned long
-consider_steal_time(unsigned long new_itm)
-{
- unsigned long stolen, blocked;
- unsigned long delta_itm = 0, stolentick = 0;
- int cpu = smp_processor_id();
- struct vcpu_runstate_info runstate;
- struct task_struct *p = current;
-
- get_runstate_snapshot(&runstate);
-
- /*
- * Check for vcpu migration effect
- * In this case, itc value is reversed.
- * This causes huge stolen value.
- * This function just checks and reject this effect.
- */
- if (!time_after_eq(runstate.time[RUNSTATE_blocked],
- per_cpu(xen_blocked_time, cpu)))
- blocked = 0;
-
- if (!time_after_eq(runstate.time[RUNSTATE_runnable] +
- runstate.time[RUNSTATE_offline],
- per_cpu(xen_stolen_time, cpu)))
- stolen = 0;
-
- if (!time_after(delta_itm + new_itm, ia64_get_itc()))
- stolentick = ia64_get_itc() - new_itm;
-
- do_div(stolentick, NS_PER_TICK);
- stolentick++;
-
- do_div(stolen, NS_PER_TICK);
-
- if (stolen > stolentick)
- stolen = stolentick;
-
- stolentick -= stolen;
- do_div(blocked, NS_PER_TICK);
-
- if (blocked > stolentick)
- blocked = stolentick;
-
- if (stolen > 0 || blocked > 0) {
- account_steal_ticks(stolen);
- account_idle_ticks(blocked);
- run_local_timers();
-
- rcu_check_callbacks(cpu, user_mode(get_irq_regs()));
-
- scheduler_tick();
- run_posix_cpu_timers(p);
- delta_itm += local_cpu_data->itm_delta * (stolen + blocked);
-
- if (cpu == time_keeper_id)
- xtime_update(stolen + blocked);
-
- local_cpu_data->itm_next = delta_itm + new_itm;
-
- per_cpu(xen_stolen_time, cpu) += NS_PER_TICK * stolen;
- per_cpu(xen_blocked_time, cpu) += NS_PER_TICK * blocked;
- }
- return delta_itm;
-}
-
-static int xen_do_steal_accounting(unsigned long *new_itm)
-{
- unsigned long delta_itm;
- delta_itm = consider_steal_time(*new_itm);
- *new_itm += delta_itm;
- if (time_after(*new_itm, ia64_get_itc()) && delta_itm)
- return 1;
-
- return 0;
-}
-
-static void xen_itc_jitter_data_reset(void)
-{
- u64 lcycle, ret;
-
- do {
- lcycle = itc_jitter_data.itc_lastcycle;
- ret = cmpxchg(&itc_jitter_data.itc_lastcycle, lcycle, 0);
- } while (unlikely(ret != lcycle));
-}
-
-/* based on xen_sched_clock() in arch/x86/xen/time.c. */
-/*
- * This relies on HAVE_UNSTABLE_SCHED_CLOCK. If it can't be defined,
- * something similar logic should be implemented here.
- */
-/*
- * Xen sched_clock implementation. Returns the number of unstolen
- * nanoseconds, which is nanoseconds the VCPU spent in RUNNING+BLOCKED
- * states.
- */
-static unsigned long long xen_sched_clock(void)
-{
- struct vcpu_runstate_info runstate;
-
- unsigned long long now;
- unsigned long long offset;
- unsigned long long ret;
-
- /*
- * Ideally sched_clock should be called on a per-cpu basis
- * anyway, so preempt should already be disabled, but that's
- * not current practice at the moment.
- */
- preempt_disable();
-
- /*
- * both ia64_native_sched_clock() and xen's runstate are
- * based on mAR.ITC. So difference of them makes sense.
- */
- now = ia64_native_sched_clock();
-
- get_runstate_snapshot(&runstate);
-
- WARN_ON(runstate.state != RUNSTATE_running);
-
- offset = 0;
- if (now > runstate.state_entry_time)
- offset = now - runstate.state_entry_time;
- ret = runstate.time[RUNSTATE_blocked] +
- runstate.time[RUNSTATE_running] +
- offset;
-
- preempt_enable();
-
- return ret;
-}
-
-struct pv_time_ops xen_time_ops __initdata = {
- .init_missing_ticks_accounting = xen_init_missing_ticks_accounting,
- .do_steal_accounting = xen_do_steal_accounting,
- .clocksource_resume = xen_itc_jitter_data_reset,
- .sched_clock = xen_sched_clock,
-};
-
-/* Called after suspend, to resume time. */
-static void xen_local_tick_resume(void)
-{
- /* Just trigger a tick. */
- ia64_cpu_local_tick();
- touch_softlockup_watchdog();
-}
-
-void
-xen_timer_resume(void)
-{
- unsigned int cpu;
-
- xen_local_tick_resume();
-
- for_each_online_cpu(cpu)
- xen_init_missing_ticks_accounting(cpu);
-}
-
-static void ia64_cpu_local_tick_fn(void *unused)
-{
- xen_local_tick_resume();
- xen_init_missing_ticks_accounting(smp_processor_id());
-}
-
-void
-xen_timer_resume_on_aps(void)
-{
- smp_call_function(&ia64_cpu_local_tick_fn, NULL, 1);
-}
diff --git a/arch/ia64/xen/time.h b/arch/ia64/xen/time.h
deleted file mode 100644
index f98d7e1a42f..00000000000
--- a/arch/ia64/xen/time.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/******************************************************************************
- * arch/ia64/xen/time.h
- *
- * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
- * VA Linux Systems Japan K.K.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-extern struct pv_time_ops xen_time_ops __initdata;
-void xen_timer_resume_on_aps(void);
diff --git a/arch/ia64/xen/xcom_hcall.c b/arch/ia64/xen/xcom_hcall.c
deleted file mode 100644
index ccaf7431f7c..00000000000
--- a/arch/ia64/xen/xcom_hcall.c
+++ /dev/null
@@ -1,441 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- * Tristan Gingold <tristan.gingold@bull.net>
- *
- * Copyright (c) 2007
- * Isaku Yamahata <yamahata at valinux co jp>
- * VA Linux Systems Japan K.K.
- * consolidate mini and inline version.
- */
-
-#include <linux/module.h>
-#include <xen/interface/xen.h>
-#include <xen/interface/memory.h>
-#include <xen/interface/grant_table.h>
-#include <xen/interface/callback.h>
-#include <xen/interface/vcpu.h>
-#include <asm/xen/hypervisor.h>
-#include <asm/xen/xencomm.h>
-
-/* Xencomm notes:
- * This file defines hypercalls to be used by xencomm. The hypercalls simply
- * create inlines or mini descriptors for pointers and then call the raw arch
- * hypercall xencomm_arch_hypercall_XXX
- *
- * If the arch wants to directly use these hypercalls, simply define macros
- * in asm/xen/hypercall.h, eg:
- * #define HYPERVISOR_sched_op xencomm_hypercall_sched_op
- *
- * The arch may also define HYPERVISOR_xxx as a function and do more operations
- * before/after doing the hypercall.
- *
- * Note: because only inline or mini descriptors are created these functions
- * must only be called with in kernel memory parameters.
- */
-
-int
-xencomm_hypercall_console_io(int cmd, int count, char *str)
-{
- /* xen early printk uses console io hypercall before
- * xencomm initialization. In that case, we just ignore it.
- */
- if (!xencomm_is_initialized())
- return 0;
-
- return xencomm_arch_hypercall_console_io
- (cmd, count, xencomm_map_no_alloc(str, count));
-}
-EXPORT_SYMBOL_GPL(xencomm_hypercall_console_io);
-
-int
-xencomm_hypercall_event_channel_op(int cmd, void *op)
-{
- struct xencomm_handle *desc;
- desc = xencomm_map_no_alloc(op, sizeof(struct evtchn_op));
- if (desc == NULL)
- return -EINVAL;
-
- return xencomm_arch_hypercall_event_channel_op(cmd, desc);
-}
-EXPORT_SYMBOL_GPL(xencomm_hypercall_event_channel_op);
-
-int
-xencomm_hypercall_xen_version(int cmd, void *arg)
-{
- struct xencomm_handle *desc;
- unsigned int argsize;
-
- switch (cmd) {
- case XENVER_version:
- /* do not actually pass an argument */
- return xencomm_arch_hypercall_xen_version(cmd, 0);
- case XENVER_extraversion:
- argsize = sizeof(struct xen_extraversion);
- break;
- case XENVER_compile_info:
- argsize = sizeof(struct xen_compile_info);
- break;
- case XENVER_capabilities:
- argsize = sizeof(struct xen_capabilities_info);
- break;
- case XENVER_changeset:
- argsize = sizeof(struct xen_changeset_info);
- break;
- case XENVER_platform_parameters:
- argsize = sizeof(struct xen_platform_parameters);
- break;
- case XENVER_get_features:
- argsize = (arg == NULL) ? 0 : sizeof(struct xen_feature_info);
- break;
-
- default:
- printk(KERN_DEBUG
- "%s: unknown version op %d\n", __func__, cmd);
- return -ENOSYS;
- }
-
- desc = xencomm_map_no_alloc(arg, argsize);
- if (desc == NULL)
- return -EINVAL;
-
- return xencomm_arch_hypercall_xen_version(cmd, desc);
-}
-EXPORT_SYMBOL_GPL(xencomm_hypercall_xen_version);
-
-int
-xencomm_hypercall_physdev_op(int cmd, void *op)
-{
- unsigned int argsize;
-
- switch (cmd) {
- case PHYSDEVOP_apic_read:
- case PHYSDEVOP_apic_write:
- argsize = sizeof(struct physdev_apic);
- break;
- case PHYSDEVOP_alloc_irq_vector:
- case PHYSDEVOP_free_irq_vector:
- argsize = sizeof(struct physdev_irq);
- break;
- case PHYSDEVOP_irq_status_query:
- argsize = sizeof(struct physdev_irq_status_query);
- break;
-
- default:
- printk(KERN_DEBUG
- "%s: unknown physdev op %d\n", __func__, cmd);
- return -ENOSYS;
- }
-
- return xencomm_arch_hypercall_physdev_op
- (cmd, xencomm_map_no_alloc(op, argsize));
-}
-
-static int
-xencommize_grant_table_op(struct xencomm_mini **xc_area,
- unsigned int cmd, void *op, unsigned int count,
- struct xencomm_handle **desc)
-{
- struct xencomm_handle *desc1;
- unsigned int argsize;
-
- switch (cmd) {
- case GNTTABOP_map_grant_ref:
- argsize = sizeof(struct gnttab_map_grant_ref);
- break;
- case GNTTABOP_unmap_grant_ref:
- argsize = sizeof(struct gnttab_unmap_grant_ref);
- break;
- case GNTTABOP_setup_table:
- {
- struct gnttab_setup_table *setup = op;
-
- argsize = sizeof(*setup);
-
- if (count != 1)
- return -EINVAL;
- desc1 = __xencomm_map_no_alloc
- (xen_guest_handle(setup->frame_list),
- setup->nr_frames *
- sizeof(*xen_guest_handle(setup->frame_list)),
- *xc_area);
- if (desc1 == NULL)
- return -EINVAL;
- (*xc_area)++;
- set_xen_guest_handle(setup->frame_list, (void *)desc1);
- break;
- }
- case GNTTABOP_dump_table:
- argsize = sizeof(struct gnttab_dump_table);
- break;
- case GNTTABOP_transfer:
- argsize = sizeof(struct gnttab_transfer);
- break;
- case GNTTABOP_copy:
- argsize = sizeof(struct gnttab_copy);
- break;
- case GNTTABOP_query_size:
- argsize = sizeof(struct gnttab_query_size);
- break;
- default:
- printk(KERN_DEBUG "%s: unknown hypercall grant table op %d\n",
- __func__, cmd);
- BUG();
- }
-
- *desc = __xencomm_map_no_alloc(op, count * argsize, *xc_area);
- if (*desc == NULL)
- return -EINVAL;
- (*xc_area)++;
-
- return 0;
-}
-
-int
-xencomm_hypercall_grant_table_op(unsigned int cmd, void *op,
- unsigned int count)
-{
- int rc;
- struct xencomm_handle *desc;
- XENCOMM_MINI_ALIGNED(xc_area, 2);
-
- rc = xencommize_grant_table_op(&xc_area, cmd, op, count, &desc);
- if (rc)
- return rc;
-
- return xencomm_arch_hypercall_grant_table_op(cmd, desc, count);
-}
-EXPORT_SYMBOL_GPL(xencomm_hypercall_grant_table_op);
-
-int
-xencomm_hypercall_sched_op(int cmd, void *arg)
-{
- struct xencomm_handle *desc;
- unsigned int argsize;
-
- switch (cmd) {
- case SCHEDOP_yield:
- case SCHEDOP_block:
- argsize = 0;
- break;
- case SCHEDOP_shutdown:
- argsize = sizeof(struct sched_shutdown);
- break;
- case SCHEDOP_poll:
- {
- struct sched_poll *poll = arg;
- struct xencomm_handle *ports;
-
- argsize = sizeof(struct sched_poll);
- ports = xencomm_map_no_alloc(xen_guest_handle(poll->ports),
- sizeof(*xen_guest_handle(poll->ports)));
-
- set_xen_guest_handle(poll->ports, (void *)ports);
- break;
- }
- default:
- printk(KERN_DEBUG "%s: unknown sched op %d\n", __func__, cmd);
- return -ENOSYS;
- }
-
- desc = xencomm_map_no_alloc(arg, argsize);
- if (desc == NULL)
- return -EINVAL;
-
- return xencomm_arch_hypercall_sched_op(cmd, desc);
-}
-EXPORT_SYMBOL_GPL(xencomm_hypercall_sched_op);
-
-int
-xencomm_hypercall_multicall(void *call_list, int nr_calls)
-{
- int rc;
- int i;
- struct multicall_entry *mce;
- struct xencomm_handle *desc;
- XENCOMM_MINI_ALIGNED(xc_area, nr_calls * 2);
-
- for (i = 0; i < nr_calls; i++) {
- mce = (struct multicall_entry *)call_list + i;
-
- switch (mce->op) {
- case __HYPERVISOR_update_va_mapping:
- case __HYPERVISOR_mmu_update:
- /* No-op on ia64. */
- break;
- case __HYPERVISOR_grant_table_op:
- rc = xencommize_grant_table_op
- (&xc_area,
- mce->args[0], (void *)mce->args[1],
- mce->args[2], &desc);
- if (rc)
- return rc;
- mce->args[1] = (unsigned long)desc;
- break;
- case __HYPERVISOR_memory_op:
- default:
- printk(KERN_DEBUG
- "%s: unhandled multicall op entry op %lu\n",
- __func__, mce->op);
- return -ENOSYS;
- }
- }
-
- desc = xencomm_map_no_alloc(call_list,
- nr_calls * sizeof(struct multicall_entry));
- if (desc == NULL)
- return -EINVAL;
-
- return xencomm_arch_hypercall_multicall(desc, nr_calls);
-}
-EXPORT_SYMBOL_GPL(xencomm_hypercall_multicall);
-
-int
-xencomm_hypercall_callback_op(int cmd, void *arg)
-{
- unsigned int argsize;
- switch (cmd) {
- case CALLBACKOP_register:
- argsize = sizeof(struct callback_register);
- break;
- case CALLBACKOP_unregister:
- argsize = sizeof(struct callback_unregister);
- break;
- default:
- printk(KERN_DEBUG
- "%s: unknown callback op %d\n", __func__, cmd);
- return -ENOSYS;
- }
-
- return xencomm_arch_hypercall_callback_op
- (cmd, xencomm_map_no_alloc(arg, argsize));
-}
-
-static int
-xencommize_memory_reservation(struct xencomm_mini *xc_area,
- struct xen_memory_reservation *mop)
-{
- struct xencomm_handle *desc;
-
- desc = __xencomm_map_no_alloc(xen_guest_handle(mop->extent_start),
- mop->nr_extents *
- sizeof(*xen_guest_handle(mop->extent_start)),
- xc_area);
- if (desc == NULL)
- return -EINVAL;
-
- set_xen_guest_handle(mop->extent_start, (void *)desc);
- return 0;
-}
-
-int
-xencomm_hypercall_memory_op(unsigned int cmd, void *arg)
-{
- GUEST_HANDLE(xen_pfn_t) extent_start_va[2] = { {NULL}, {NULL} };
- struct xen_memory_reservation *xmr = NULL;
- int rc;
- struct xencomm_handle *desc;
- unsigned int argsize;
- XENCOMM_MINI_ALIGNED(xc_area, 2);
-
- switch (cmd) {
- case XENMEM_increase_reservation:
- case XENMEM_decrease_reservation:
- case XENMEM_populate_physmap:
- xmr = (struct xen_memory_reservation *)arg;
- set_xen_guest_handle(extent_start_va[0],
- xen_guest_handle(xmr->extent_start));
-
- argsize = sizeof(*xmr);
- rc = xencommize_memory_reservation(xc_area, xmr);
- if (rc)
- return rc;
- xc_area++;
- break;
-
- case XENMEM_maximum_ram_page:
- argsize = 0;
- break;
-
- case XENMEM_add_to_physmap:
- argsize = sizeof(struct xen_add_to_physmap);
- break;
-
- default:
- printk(KERN_DEBUG "%s: unknown memory op %d\n", __func__, cmd);
- return -ENOSYS;
- }
-
- desc = xencomm_map_no_alloc(arg, argsize);
- if (desc == NULL)
- return -EINVAL;
-
- rc = xencomm_arch_hypercall_memory_op(cmd, desc);
-
- switch (cmd) {
- case XENMEM_increase_reservation:
- case XENMEM_decrease_reservation:
- case XENMEM_populate_physmap:
- set_xen_guest_handle(xmr->extent_start,
- xen_guest_handle(extent_start_va[0]));
- break;
- }
-
- return rc;
-}
-EXPORT_SYMBOL_GPL(xencomm_hypercall_memory_op);
-
-int
-xencomm_hypercall_suspend(unsigned long srec)
-{
- struct sched_shutdown arg;
-
- arg.reason = SHUTDOWN_suspend;
-
- return xencomm_arch_hypercall_sched_op(
- SCHEDOP_shutdown, xencomm_map_no_alloc(&arg, sizeof(arg)));
-}
-
-long
-xencomm_hypercall_vcpu_op(int cmd, int cpu, void *arg)
-{
- unsigned int argsize;
- switch (cmd) {
- case VCPUOP_register_runstate_memory_area: {
- struct vcpu_register_runstate_memory_area *area =
- (struct vcpu_register_runstate_memory_area *)arg;
- argsize = sizeof(*arg);
- set_xen_guest_handle(area->addr.h,
- (void *)xencomm_map_no_alloc(area->addr.v,
- sizeof(area->addr.v)));
- break;
- }
-
- default:
- printk(KERN_DEBUG "%s: unknown vcpu op %d\n", __func__, cmd);
- return -ENOSYS;
- }
-
- return xencomm_arch_hypercall_vcpu_op(cmd, cpu,
- xencomm_map_no_alloc(arg, argsize));
-}
-
-long
-xencomm_hypercall_opt_feature(void *arg)
-{
- return xencomm_arch_hypercall_opt_feature(
- xencomm_map_no_alloc(arg,
- sizeof(struct xen_ia64_opt_feature)));
-}
diff --git a/arch/ia64/xen/xen_pv_ops.c b/arch/ia64/xen/xen_pv_ops.c
deleted file mode 100644
index 3e8d350fdf3..00000000000
--- a/arch/ia64/xen/xen_pv_ops.c
+++ /dev/null
@@ -1,1141 +0,0 @@
-/******************************************************************************
- * arch/ia64/xen/xen_pv_ops.c
- *
- * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
- * VA Linux Systems Japan K.K.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#include <linux/console.h>
-#include <linux/irq.h>
-#include <linux/kernel.h>
-#include <linux/pm.h>
-#include <linux/unistd.h>
-
-#include <asm/xen/hypervisor.h>
-#include <asm/xen/xencomm.h>
-#include <asm/xen/privop.h>
-
-#include "irq_xen.h"
-#include "time.h"
-
-/***************************************************************************
- * general info
- */
-static struct pv_info xen_info __initdata = {
- .kernel_rpl = 2, /* or 1: determin at runtime */
- .paravirt_enabled = 1,
- .name = "Xen/ia64",
-};
-
-#define IA64_RSC_PL_SHIFT 2
-#define IA64_RSC_PL_BIT_SIZE 2
-#define IA64_RSC_PL_MASK \
- (((1UL << IA64_RSC_PL_BIT_SIZE) - 1) << IA64_RSC_PL_SHIFT)
-
-static void __init
-xen_info_init(void)
-{
- /* Xenified Linux/ia64 may run on pl = 1 or 2.
- * determin at run time. */
- unsigned long rsc = ia64_getreg(_IA64_REG_AR_RSC);
- unsigned int rpl = (rsc & IA64_RSC_PL_MASK) >> IA64_RSC_PL_SHIFT;
- xen_info.kernel_rpl = rpl;
-}
-
-/***************************************************************************
- * pv_init_ops
- * initialization hooks.
- */
-
-static void
-xen_panic_hypercall(struct unw_frame_info *info, void *arg)
-{
- current->thread.ksp = (__u64)info->sw - 16;
- HYPERVISOR_shutdown(SHUTDOWN_crash);
- /* we're never actually going to get here... */
-}
-
-static int
-xen_panic_event(struct notifier_block *this, unsigned long event, void *ptr)
-{
- unw_init_running(xen_panic_hypercall, NULL);
- /* we're never actually going to get here... */
- return NOTIFY_DONE;
-}
-
-static struct notifier_block xen_panic_block = {
- xen_panic_event, NULL, 0 /* try to go last */
-};
-
-static void xen_pm_power_off(void)
-{
- local_irq_disable();
- HYPERVISOR_shutdown(SHUTDOWN_poweroff);
-}
-
-static void __init
-xen_banner(void)
-{
- printk(KERN_INFO
- "Running on Xen! pl = %d start_info_pfn=0x%lx nr_pages=%ld "
- "flags=0x%x\n",
- xen_info.kernel_rpl,
- HYPERVISOR_shared_info->arch.start_info_pfn,
- xen_start_info->nr_pages, xen_start_info->flags);
-}
-
-static int __init
-xen_reserve_memory(struct rsvd_region *region)
-{
- region->start = (unsigned long)__va(
- (HYPERVISOR_shared_info->arch.start_info_pfn << PAGE_SHIFT));
- region->end = region->start + PAGE_SIZE;
- return 1;
-}
-
-static void __init
-xen_arch_setup_early(void)
-{
- struct shared_info *s;
- BUG_ON(!xen_pv_domain());
-
- s = HYPERVISOR_shared_info;
- xen_start_info = __va(s->arch.start_info_pfn << PAGE_SHIFT);
-
- /* Must be done before any hypercall. */
- xencomm_initialize();
-
- xen_setup_features();
- /* Register a call for panic conditions. */
- atomic_notifier_chain_register(&panic_notifier_list,
- &xen_panic_block);
- pm_power_off = xen_pm_power_off;
-
- xen_ia64_enable_opt_feature();
-}
-
-static void __init
-xen_arch_setup_console(char **cmdline_p)
-{
- add_preferred_console("xenboot", 0, NULL);
- add_preferred_console("tty", 0, NULL);
- /* use hvc_xen */
- add_preferred_console("hvc", 0, NULL);
-
-#if !defined(CONFIG_VT) || !defined(CONFIG_DUMMY_CONSOLE)
- conswitchp = NULL;
-#endif
-}
-
-static int __init
-xen_arch_setup_nomca(void)
-{
- return 1;
-}
-
-static void __init
-xen_post_smp_prepare_boot_cpu(void)
-{
- xen_setup_vcpu_info_placement();
-}
-
-#ifdef ASM_SUPPORTED
-static unsigned long __init_or_module
-xen_patch_bundle(void *sbundle, void *ebundle, unsigned long type);
-#endif
-static void __init
-xen_patch_branch(unsigned long tag, unsigned long type);
-
-static const struct pv_init_ops xen_init_ops __initconst = {
- .banner = xen_banner,
-
- .reserve_memory = xen_reserve_memory,
-
- .arch_setup_early = xen_arch_setup_early,
- .arch_setup_console = xen_arch_setup_console,
- .arch_setup_nomca = xen_arch_setup_nomca,
-
- .post_smp_prepare_boot_cpu = xen_post_smp_prepare_boot_cpu,
-#ifdef ASM_SUPPORTED
- .patch_bundle = xen_patch_bundle,
-#endif
- .patch_branch = xen_patch_branch,
-};
-
-/***************************************************************************
- * pv_fsys_data
- * addresses for fsys
- */
-
-extern unsigned long xen_fsyscall_table[NR_syscalls];
-extern char xen_fsys_bubble_down[];
-struct pv_fsys_data xen_fsys_data __initdata = {
- .fsyscall_table = (unsigned long *)xen_fsyscall_table,
- .fsys_bubble_down = (void *)xen_fsys_bubble_down,
-};
-
-/***************************************************************************
- * pv_patchdata
- * patchdata addresses
- */
-
-#define DECLARE(name) \
- extern unsigned long __xen_start_gate_##name##_patchlist[]; \
- extern unsigned long __xen_end_gate_##name##_patchlist[]
-
-DECLARE(fsyscall);
-DECLARE(brl_fsys_bubble_down);
-DECLARE(vtop);
-DECLARE(mckinley_e9);
-
-extern unsigned long __xen_start_gate_section[];
-
-#define ASSIGN(name) \
- .start_##name##_patchlist = \
- (unsigned long)__xen_start_gate_##name##_patchlist, \
- .end_##name##_patchlist = \
- (unsigned long)__xen_end_gate_##name##_patchlist
-
-static struct pv_patchdata xen_patchdata __initdata = {
- ASSIGN(fsyscall),
- ASSIGN(brl_fsys_bubble_down),
- ASSIGN(vtop),
- ASSIGN(mckinley_e9),
-
- .gate_section = (void*)__xen_start_gate_section,
-};
-
-/***************************************************************************
- * pv_cpu_ops
- * intrinsics hooks.
- */
-
-#ifndef ASM_SUPPORTED
-static void
-xen_set_itm_with_offset(unsigned long val)
-{
- /* ia64_cpu_local_tick() calls this with interrupt enabled. */
- /* WARN_ON(!irqs_disabled()); */
- xen_set_itm(val - XEN_MAPPEDREGS->itc_offset);
-}
-
-static unsigned long
-xen_get_itm_with_offset(void)
-{
- /* unused at this moment */
- printk(KERN_DEBUG "%s is called.\n", __func__);
-
- WARN_ON(!irqs_disabled());
- return ia64_native_getreg(_IA64_REG_CR_ITM) +
- XEN_MAPPEDREGS->itc_offset;
-}
-
-/* ia64_set_itc() is only called by
- * cpu_init() with ia64_set_itc(0) and ia64_sync_itc().
- * So XEN_MAPPEDRESG->itc_offset cal be considered as almost constant.
- */
-static void
-xen_set_itc(unsigned long val)
-{
- unsigned long mitc;
-
- WARN_ON(!irqs_disabled());
- mitc = ia64_native_getreg(_IA64_REG_AR_ITC);
- XEN_MAPPEDREGS->itc_offset = val - mitc;
- XEN_MAPPEDREGS->itc_last = val;
-}
-
-static unsigned long
-xen_get_itc(void)
-{
- unsigned long res;
- unsigned long itc_offset;
- unsigned long itc_last;
- unsigned long ret_itc_last;
-
- itc_offset = XEN_MAPPEDREGS->itc_offset;
- do {
- itc_last = XEN_MAPPEDREGS->itc_last;
- res = ia64_native_getreg(_IA64_REG_AR_ITC);
- res += itc_offset;
- if (itc_last >= res)
- res = itc_last + 1;
- ret_itc_last = cmpxchg(&XEN_MAPPEDREGS->itc_last,
- itc_last, res);
- } while (unlikely(ret_itc_last != itc_last));
- return res;
-
-#if 0
- /* ia64_itc_udelay() calls ia64_get_itc() with interrupt enabled.
- Should it be paravirtualized instead? */
- WARN_ON(!irqs_disabled());
- itc_offset = XEN_MAPPEDREGS->itc_offset;
- itc_last = XEN_MAPPEDREGS->itc_last;
- res = ia64_native_getreg(_IA64_REG_AR_ITC);
- res += itc_offset;
- if (itc_last >= res)
- res = itc_last + 1;
- XEN_MAPPEDREGS->itc_last = res;
- return res;
-#endif
-}
-
-static void xen_setreg(int regnum, unsigned long val)
-{
- switch (regnum) {
- case _IA64_REG_AR_KR0 ... _IA64_REG_AR_KR7:
- xen_set_kr(regnum - _IA64_REG_AR_KR0, val);
- break;
- case _IA64_REG_AR_ITC:
- xen_set_itc(val);
- break;
- case _IA64_REG_CR_TPR:
- xen_set_tpr(val);
- break;
- case _IA64_REG_CR_ITM:
- xen_set_itm_with_offset(val);
- break;
- case _IA64_REG_CR_EOI:
- xen_eoi(val);
- break;
- default:
- ia64_native_setreg_func(regnum, val);
- break;
- }
-}
-
-static unsigned long xen_getreg(int regnum)
-{
- unsigned long res;
-
- switch (regnum) {
- case _IA64_REG_PSR:
- res = xen_get_psr();
- break;
- case _IA64_REG_AR_ITC:
- res = xen_get_itc();
- break;
- case _IA64_REG_CR_ITM:
- res = xen_get_itm_with_offset();
- break;
- case _IA64_REG_CR_IVR:
- res = xen_get_ivr();
- break;
- case _IA64_REG_CR_TPR:
- res = xen_get_tpr();
- break;
- default:
- res = ia64_native_getreg_func(regnum);
- break;
- }
- return res;
-}
-
-/* turning on interrupts is a bit more complicated.. write to the
- * memory-mapped virtual psr.i bit first (to avoid race condition),
- * then if any interrupts were pending, we have to execute a hyperprivop
- * to ensure the pending interrupt gets delivered; else we're done! */
-static void
-xen_ssm_i(void)
-{
- int old = xen_get_virtual_psr_i();
- xen_set_virtual_psr_i(1);
- barrier();
- if (!old && xen_get_virtual_pend())
- xen_hyper_ssm_i();
-}
-
-/* turning off interrupts can be paravirtualized simply by writing
- * to a memory-mapped virtual psr.i bit (implemented as a 16-bit bool) */
-static void
-xen_rsm_i(void)
-{
- xen_set_virtual_psr_i(0);
- barrier();
-}
-
-static unsigned long
-xen_get_psr_i(void)
-{
- return xen_get_virtual_psr_i() ? IA64_PSR_I : 0;
-}
-
-static void
-xen_intrin_local_irq_restore(unsigned long mask)
-{
- if (mask & IA64_PSR_I)
- xen_ssm_i();
- else
- xen_rsm_i();
-}
-#else
-#define __DEFINE_FUNC(name, code) \
- extern const char xen_ ## name ## _direct_start[]; \
- extern const char xen_ ## name ## _direct_end[]; \
- asm (".align 32\n" \
- ".proc xen_" #name "\n" \
- "xen_" #name ":\n" \
- "xen_" #name "_direct_start:\n" \
- code \
- "xen_" #name "_direct_end:\n" \
- "br.cond.sptk.many b6\n" \
- ".endp xen_" #name "\n")
-
-#define DEFINE_VOID_FUNC0(name, code) \
- extern void \
- xen_ ## name (void); \
- __DEFINE_FUNC(name, code)
-
-#define DEFINE_VOID_FUNC1(name, code) \
- extern void \
- xen_ ## name (unsigned long arg); \
- __DEFINE_FUNC(name, code)
-
-#define DEFINE_VOID_FUNC1_VOID(name, code) \
- extern void \
- xen_ ## name (void *arg); \
- __DEFINE_FUNC(name, code)
-
-#define DEFINE_VOID_FUNC2(name, code) \
- extern void \
- xen_ ## name (unsigned long arg0, \
- unsigned long arg1); \
- __DEFINE_FUNC(name, code)
-
-#define DEFINE_FUNC0(name, code) \
- extern unsigned long \
- xen_ ## name (void); \
- __DEFINE_FUNC(name, code)
-
-#define DEFINE_FUNC1(name, type, code) \
- extern unsigned long \
- xen_ ## name (type arg); \
- __DEFINE_FUNC(name, code)
-
-#define XEN_PSR_I_ADDR_ADDR (XSI_BASE + XSI_PSR_I_ADDR_OFS)
-
-/*
- * static void xen_set_itm_with_offset(unsigned long val)
- * xen_set_itm(val - XEN_MAPPEDREGS->itc_offset);
- */
-/* 2 bundles */
-DEFINE_VOID_FUNC1(set_itm_with_offset,
- "mov r2 = " __stringify(XSI_BASE) " + "
- __stringify(XSI_ITC_OFFSET_OFS) "\n"
- ";;\n"
- "ld8 r3 = [r2]\n"
- ";;\n"
- "sub r8 = r8, r3\n"
- "break " __stringify(HYPERPRIVOP_SET_ITM) "\n");
-
-/*
- * static unsigned long xen_get_itm_with_offset(void)
- * return ia64_native_getreg(_IA64_REG_CR_ITM) + XEN_MAPPEDREGS->itc_offset;
- */
-/* 2 bundles */
-DEFINE_FUNC0(get_itm_with_offset,
- "mov r2 = " __stringify(XSI_BASE) " + "
- __stringify(XSI_ITC_OFFSET_OFS) "\n"
- ";;\n"
- "ld8 r3 = [r2]\n"
- "mov r8 = cr.itm\n"
- ";;\n"
- "add r8 = r8, r2\n");
-
-/*
- * static void xen_set_itc(unsigned long val)
- * unsigned long mitc;
- *
- * WARN_ON(!irqs_disabled());
- * mitc = ia64_native_getreg(_IA64_REG_AR_ITC);
- * XEN_MAPPEDREGS->itc_offset = val - mitc;
- * XEN_MAPPEDREGS->itc_last = val;
- */
-/* 2 bundles */
-DEFINE_VOID_FUNC1(set_itc,
- "mov r2 = " __stringify(XSI_BASE) " + "
- __stringify(XSI_ITC_LAST_OFS) "\n"
- "mov r3 = ar.itc\n"
- ";;\n"
- "sub r3 = r8, r3\n"
- "st8 [r2] = r8, "
- __stringify(XSI_ITC_LAST_OFS) " - "
- __stringify(XSI_ITC_OFFSET_OFS) "\n"
- ";;\n"
- "st8 [r2] = r3\n");
-
-/*
- * static unsigned long xen_get_itc(void)
- * unsigned long res;
- * unsigned long itc_offset;
- * unsigned long itc_last;
- * unsigned long ret_itc_last;
- *
- * itc_offset = XEN_MAPPEDREGS->itc_offset;
- * do {
- * itc_last = XEN_MAPPEDREGS->itc_last;
- * res = ia64_native_getreg(_IA64_REG_AR_ITC);
- * res += itc_offset;
- * if (itc_last >= res)
- * res = itc_last + 1;
- * ret_itc_last = cmpxchg(&XEN_MAPPEDREGS->itc_last,
- * itc_last, res);
- * } while (unlikely(ret_itc_last != itc_last));
- * return res;
- */
-/* 5 bundles */
-DEFINE_FUNC0(get_itc,
- "mov r2 = " __stringify(XSI_BASE) " + "
- __stringify(XSI_ITC_OFFSET_OFS) "\n"
- ";;\n"
- "ld8 r9 = [r2], " __stringify(XSI_ITC_LAST_OFS) " - "
- __stringify(XSI_ITC_OFFSET_OFS) "\n"
- /* r9 = itc_offset */
- /* r2 = XSI_ITC_OFFSET */
- "888:\n"
- "mov r8 = ar.itc\n" /* res = ar.itc */
- ";;\n"
- "ld8 r3 = [r2]\n" /* r3 = itc_last */
- "add r8 = r8, r9\n" /* res = ar.itc + itc_offset */
- ";;\n"
- "cmp.gtu p6, p0 = r3, r8\n"
- ";;\n"
- "(p6) add r8 = 1, r3\n" /* if (itc_last > res) itc_last + 1 */
- ";;\n"
- "mov ar.ccv = r8\n"
- ";;\n"
- "cmpxchg8.acq r10 = [r2], r8, ar.ccv\n"
- ";;\n"
- "cmp.ne p6, p0 = r10, r3\n"
- "(p6) hint @pause\n"
- "(p6) br.cond.spnt 888b\n");
-
-DEFINE_VOID_FUNC1_VOID(fc,
- "break " __stringify(HYPERPRIVOP_FC) "\n");
-
-/*
- * psr_i_addr_addr = XEN_PSR_I_ADDR_ADDR
- * masked_addr = *psr_i_addr_addr
- * pending_intr_addr = masked_addr - 1
- * if (val & IA64_PSR_I) {
- * masked = *masked_addr
- * *masked_addr = 0:xen_set_virtual_psr_i(1)
- * compiler barrier
- * if (masked) {
- * uint8_t pending = *pending_intr_addr;
- * if (pending)
- * XEN_HYPER_SSM_I
- * }
- * } else {
- * *masked_addr = 1:xen_set_virtual_psr_i(0)
- * }
- */
-/* 6 bundles */
-DEFINE_VOID_FUNC1(intrin_local_irq_restore,
- /* r8 = input value: 0 or IA64_PSR_I
- * p6 = (flags & IA64_PSR_I)
- * = if clause
- * p7 = !(flags & IA64_PSR_I)
- * = else clause
- */
- "cmp.ne p6, p7 = r8, r0\n"
- "mov r9 = " __stringify(XEN_PSR_I_ADDR_ADDR) "\n"
- ";;\n"
- /* r9 = XEN_PSR_I_ADDR */
- "ld8 r9 = [r9]\n"
- ";;\n"
-
- /* r10 = masked previous value */
- "(p6) ld1.acq r10 = [r9]\n"
- ";;\n"
-
- /* p8 = !masked interrupt masked previously? */
- "(p6) cmp.ne.unc p8, p0 = r10, r0\n"
-
- /* p7 = else clause */
- "(p7) mov r11 = 1\n"
- ";;\n"
- /* masked = 1 */
- "(p7) st1.rel [r9] = r11\n"
-
- /* p6 = if clause */
- /* masked = 0
- * r9 = masked_addr - 1
- * = pending_intr_addr
- */
- "(p8) st1.rel [r9] = r0, -1\n"
- ";;\n"
- /* r8 = pending_intr */
- "(p8) ld1.acq r11 = [r9]\n"
- ";;\n"
- /* p9 = interrupt pending? */
- "(p8) cmp.ne.unc p9, p10 = r11, r0\n"
- ";;\n"
- "(p10) mf\n"
- /* issue hypercall to trigger interrupt */
- "(p9) break " __stringify(HYPERPRIVOP_SSM_I) "\n");
-
-DEFINE_VOID_FUNC2(ptcga,
- "break " __stringify(HYPERPRIVOP_PTC_GA) "\n");
-DEFINE_VOID_FUNC2(set_rr,
- "break " __stringify(HYPERPRIVOP_SET_RR) "\n");
-
-/*
- * tmp = XEN_MAPPEDREGS->interrupt_mask_addr = XEN_PSR_I_ADDR_ADDR;
- * tmp = *tmp
- * tmp = *tmp;
- * psr_i = tmp? 0: IA64_PSR_I;
- */
-/* 4 bundles */
-DEFINE_FUNC0(get_psr_i,
- "mov r9 = " __stringify(XEN_PSR_I_ADDR_ADDR) "\n"
- ";;\n"
- "ld8 r9 = [r9]\n" /* r9 = XEN_PSR_I_ADDR */
- "mov r8 = 0\n" /* psr_i = 0 */
- ";;\n"
- "ld1.acq r9 = [r9]\n" /* r9 = XEN_PSR_I */
- ";;\n"
- "cmp.eq.unc p6, p0 = r9, r0\n" /* p6 = (XEN_PSR_I != 0) */
- ";;\n"
- "(p6) mov r8 = " __stringify(1 << IA64_PSR_I_BIT) "\n");
-
-DEFINE_FUNC1(thash, unsigned long,
- "break " __stringify(HYPERPRIVOP_THASH) "\n");
-DEFINE_FUNC1(get_cpuid, int,
- "break " __stringify(HYPERPRIVOP_GET_CPUID) "\n");
-DEFINE_FUNC1(get_pmd, int,
- "break " __stringify(HYPERPRIVOP_GET_PMD) "\n");
-DEFINE_FUNC1(get_rr, unsigned long,
- "break " __stringify(HYPERPRIVOP_GET_RR) "\n");
-
-/*
- * void xen_privop_ssm_i(void)
- *
- * int masked = !xen_get_virtual_psr_i();
- * // masked = *(*XEN_MAPPEDREGS->interrupt_mask_addr)
- * xen_set_virtual_psr_i(1)
- * // *(*XEN_MAPPEDREGS->interrupt_mask_addr) = 0
- * // compiler barrier
- * if (masked) {
- * uint8_t* pend_int_addr =
- * (uint8_t*)(*XEN_MAPPEDREGS->interrupt_mask_addr) - 1;
- * uint8_t pending = *pend_int_addr;
- * if (pending)
- * XEN_HYPER_SSM_I
- * }
- */
-/* 4 bundles */
-DEFINE_VOID_FUNC0(ssm_i,
- "mov r8 = " __stringify(XEN_PSR_I_ADDR_ADDR) "\n"
- ";;\n"
- "ld8 r8 = [r8]\n" /* r8 = XEN_PSR_I_ADDR */
- ";;\n"
- "ld1.acq r9 = [r8]\n" /* r9 = XEN_PSR_I */
- ";;\n"
- "st1.rel [r8] = r0, -1\n" /* psr_i = 0. enable interrupt
- * r8 = XEN_PSR_I_ADDR - 1
- * = pend_int_addr
- */
- "cmp.eq.unc p0, p6 = r9, r0\n"/* p6 = !XEN_PSR_I
- * previously interrupt
- * masked?
- */
- ";;\n"
- "(p6) ld1.acq r8 = [r8]\n" /* r8 = xen_pend_int */
- ";;\n"
- "(p6) cmp.eq.unc p6, p7 = r8, r0\n" /*interrupt pending?*/
- ";;\n"
- /* issue hypercall to get interrupt */
- "(p7) break " __stringify(HYPERPRIVOP_SSM_I) "\n"
- ";;\n");
-
-/*
- * psr_i_addr_addr = XEN_MAPPEDREGS->interrupt_mask_addr
- * = XEN_PSR_I_ADDR_ADDR;
- * psr_i_addr = *psr_i_addr_addr;
- * *psr_i_addr = 1;
- */
-/* 2 bundles */
-DEFINE_VOID_FUNC0(rsm_i,
- "mov r8 = " __stringify(XEN_PSR_I_ADDR_ADDR) "\n"
- /* r8 = XEN_PSR_I_ADDR */
- "mov r9 = 1\n"
- ";;\n"
- "ld8 r8 = [r8]\n" /* r8 = XEN_PSR_I */
- ";;\n"
- "st1.rel [r8] = r9\n"); /* XEN_PSR_I = 1 */
-
-extern void
-xen_set_rr0_to_rr4(unsigned long val0, unsigned long val1,
- unsigned long val2, unsigned long val3,
- unsigned long val4);
-__DEFINE_FUNC(set_rr0_to_rr4,
- "break " __stringify(HYPERPRIVOP_SET_RR0_TO_RR4) "\n");
-
-
-extern unsigned long xen_getreg(int regnum);
-#define __DEFINE_GET_REG(id, privop) \
- "mov r2 = " __stringify(_IA64_REG_ ## id) "\n" \
- ";;\n" \
- "cmp.eq p6, p0 = r2, r8\n" \
- ";;\n" \
- "(p6) break " __stringify(HYPERPRIVOP_GET_ ## privop) "\n" \
- "(p6) br.cond.sptk.many b6\n" \
- ";;\n"
-
-__DEFINE_FUNC(getreg,
- __DEFINE_GET_REG(PSR, PSR)
-
- /* get_itc */
- "mov r2 = " __stringify(_IA64_REG_AR_ITC) "\n"
- ";;\n"
- "cmp.eq p6, p0 = r2, r8\n"
- ";;\n"
- "(p6) br.cond.spnt xen_get_itc\n"
- ";;\n"
-
- /* get itm */
- "mov r2 = " __stringify(_IA64_REG_CR_ITM) "\n"
- ";;\n"
- "cmp.eq p6, p0 = r2, r8\n"
- ";;\n"
- "(p6) br.cond.spnt xen_get_itm_with_offset\n"
- ";;\n"
-
- __DEFINE_GET_REG(CR_IVR, IVR)
- __DEFINE_GET_REG(CR_TPR, TPR)
-
- /* fall back */
- "movl r2 = ia64_native_getreg_func\n"
- ";;\n"
- "mov b7 = r2\n"
- ";;\n"
- "br.cond.sptk.many b7\n");
-
-extern void xen_setreg(int regnum, unsigned long val);
-#define __DEFINE_SET_REG(id, privop) \
- "mov r2 = " __stringify(_IA64_REG_ ## id) "\n" \
- ";;\n" \
- "cmp.eq p6, p0 = r2, r9\n" \
- ";;\n" \
- "(p6) break " __stringify(HYPERPRIVOP_ ## privop) "\n" \
- "(p6) br.cond.sptk.many b6\n" \
- ";;\n"
-
-__DEFINE_FUNC(setreg,
- /* kr0 .. kr 7*/
- /*
- * if (_IA64_REG_AR_KR0 <= regnum &&
- * regnum <= _IA64_REG_AR_KR7) {
- * register __index asm ("r8") = regnum - _IA64_REG_AR_KR0
- * register __val asm ("r9") = val
- * "break HYPERPRIVOP_SET_KR"
- * }
- */
- "mov r17 = r9\n"
- "mov r2 = " __stringify(_IA64_REG_AR_KR0) "\n"
- ";;\n"
- "cmp.ge p6, p0 = r9, r2\n"
- "sub r17 = r17, r2\n"
- ";;\n"
- "(p6) cmp.ge.unc p7, p0 = "
- __stringify(_IA64_REG_AR_KR7) " - " __stringify(_IA64_REG_AR_KR0)
- ", r17\n"
- ";;\n"
- "(p7) mov r9 = r8\n"
- ";;\n"
- "(p7) mov r8 = r17\n"
- "(p7) break " __stringify(HYPERPRIVOP_SET_KR) "\n"
-
- /* set itm */
- "mov r2 = " __stringify(_IA64_REG_CR_ITM) "\n"
- ";;\n"
- "cmp.eq p6, p0 = r2, r8\n"
- ";;\n"
- "(p6) br.cond.spnt xen_set_itm_with_offset\n"
-
- /* set itc */
- "mov r2 = " __stringify(_IA64_REG_AR_ITC) "\n"
- ";;\n"
- "cmp.eq p6, p0 = r2, r8\n"
- ";;\n"
- "(p6) br.cond.spnt xen_set_itc\n"
-
- __DEFINE_SET_REG(CR_TPR, SET_TPR)
- __DEFINE_SET_REG(CR_EOI, EOI)
-
- /* fall back */
- "movl r2 = ia64_native_setreg_func\n"
- ";;\n"
- "mov b7 = r2\n"
- ";;\n"
- "br.cond.sptk.many b7\n");
-#endif
-
-static const struct pv_cpu_ops xen_cpu_ops __initconst = {
- .fc = xen_fc,
- .thash = xen_thash,
- .get_cpuid = xen_get_cpuid,
- .get_pmd = xen_get_pmd,
- .getreg = xen_getreg,
- .setreg = xen_setreg,
- .ptcga = xen_ptcga,
- .get_rr = xen_get_rr,
- .set_rr = xen_set_rr,
- .set_rr0_to_rr4 = xen_set_rr0_to_rr4,
- .ssm_i = xen_ssm_i,
- .rsm_i = xen_rsm_i,
- .get_psr_i = xen_get_psr_i,
- .intrin_local_irq_restore
- = xen_intrin_local_irq_restore,
-};
-
-/******************************************************************************
- * replacement of hand written assembly codes.
- */
-
-extern char xen_switch_to;
-extern char xen_leave_syscall;
-extern char xen_work_processed_syscall;
-extern char xen_leave_kernel;
-
-const struct pv_cpu_asm_switch xen_cpu_asm_switch = {
- .switch_to = (unsigned long)&xen_switch_to,
- .leave_syscall = (unsigned long)&xen_leave_syscall,
- .work_processed_syscall = (unsigned long)&xen_work_processed_syscall,
- .leave_kernel = (unsigned long)&xen_leave_kernel,
-};
-
-/***************************************************************************
- * pv_iosapic_ops
- * iosapic read/write hooks.
- */
-static void
-xen_pcat_compat_init(void)
-{
- /* nothing */
-}
-
-static struct irq_chip*
-xen_iosapic_get_irq_chip(unsigned long trigger)
-{
- return NULL;
-}
-
-static unsigned int
-xen_iosapic_read(char __iomem *iosapic, unsigned int reg)
-{
- struct physdev_apic apic_op;
- int ret;
-
- apic_op.apic_physbase = (unsigned long)iosapic -
- __IA64_UNCACHED_OFFSET;
- apic_op.reg = reg;
- ret = HYPERVISOR_physdev_op(PHYSDEVOP_apic_read, &apic_op);
- if (ret)
- return ret;
- return apic_op.value;
-}
-
-static void
-xen_iosapic_write(char __iomem *iosapic, unsigned int reg, u32 val)
-{
- struct physdev_apic apic_op;
-
- apic_op.apic_physbase = (unsigned long)iosapic -
- __IA64_UNCACHED_OFFSET;
- apic_op.reg = reg;
- apic_op.value = val;
- HYPERVISOR_physdev_op(PHYSDEVOP_apic_write, &apic_op);
-}
-
-static struct pv_iosapic_ops xen_iosapic_ops __initdata = {
- .pcat_compat_init = xen_pcat_compat_init,
- .__get_irq_chip = xen_iosapic_get_irq_chip,
-
- .__read = xen_iosapic_read,
- .__write = xen_iosapic_write,
-};
-
-/***************************************************************************
- * pv_ops initialization
- */
-
-void __init
-xen_setup_pv_ops(void)
-{
- xen_info_init();
- pv_info = xen_info;
- pv_init_ops = xen_init_ops;
- pv_fsys_data = xen_fsys_data;
- pv_patchdata = xen_patchdata;
- pv_cpu_ops = xen_cpu_ops;
- pv_iosapic_ops = xen_iosapic_ops;
- pv_irq_ops = xen_irq_ops;
- pv_time_ops = xen_time_ops;
-
- paravirt_cpu_asm_init(&xen_cpu_asm_switch);
-}
-
-#ifdef ASM_SUPPORTED
-/***************************************************************************
- * binary pacthing
- * pv_init_ops.patch_bundle
- */
-
-#define DEFINE_FUNC_GETREG(name, privop) \
- DEFINE_FUNC0(get_ ## name, \
- "break "__stringify(HYPERPRIVOP_GET_ ## privop) "\n")
-
-DEFINE_FUNC_GETREG(psr, PSR);
-DEFINE_FUNC_GETREG(eflag, EFLAG);
-DEFINE_FUNC_GETREG(ivr, IVR);
-DEFINE_FUNC_GETREG(tpr, TPR);
-
-#define DEFINE_FUNC_SET_KR(n) \
- DEFINE_VOID_FUNC0(set_kr ## n, \
- ";;\n" \
- "mov r9 = r8\n" \
- "mov r8 = " #n "\n" \
- "break " __stringify(HYPERPRIVOP_SET_KR) "\n")
-
-DEFINE_FUNC_SET_KR(0);
-DEFINE_FUNC_SET_KR(1);
-DEFINE_FUNC_SET_KR(2);
-DEFINE_FUNC_SET_KR(3);
-DEFINE_FUNC_SET_KR(4);
-DEFINE_FUNC_SET_KR(5);
-DEFINE_FUNC_SET_KR(6);
-DEFINE_FUNC_SET_KR(7);
-
-#define __DEFINE_FUNC_SETREG(name, privop) \
- DEFINE_VOID_FUNC0(name, \
- "break "__stringify(HYPERPRIVOP_ ## privop) "\n")
-
-#define DEFINE_FUNC_SETREG(name, privop) \
- __DEFINE_FUNC_SETREG(set_ ## name, SET_ ## privop)
-
-DEFINE_FUNC_SETREG(eflag, EFLAG);
-DEFINE_FUNC_SETREG(tpr, TPR);
-__DEFINE_FUNC_SETREG(eoi, EOI);
-
-extern const char xen_check_events[];
-extern const char __xen_intrin_local_irq_restore_direct_start[];
-extern const char __xen_intrin_local_irq_restore_direct_end[];
-extern const unsigned long __xen_intrin_local_irq_restore_direct_reloc;
-
-asm (
- ".align 32\n"
- ".proc xen_check_events\n"
- "xen_check_events:\n"
- /* masked = 0
- * r9 = masked_addr - 1
- * = pending_intr_addr
- */
- "st1.rel [r9] = r0, -1\n"
- ";;\n"
- /* r8 = pending_intr */
- "ld1.acq r11 = [r9]\n"
- ";;\n"
- /* p9 = interrupt pending? */
- "cmp.ne p9, p10 = r11, r0\n"
- ";;\n"
- "(p10) mf\n"
- /* issue hypercall to trigger interrupt */
- "(p9) break " __stringify(HYPERPRIVOP_SSM_I) "\n"
- "br.cond.sptk.many b6\n"
- ".endp xen_check_events\n"
- "\n"
- ".align 32\n"
- ".proc __xen_intrin_local_irq_restore_direct\n"
- "__xen_intrin_local_irq_restore_direct:\n"
- "__xen_intrin_local_irq_restore_direct_start:\n"
- "1:\n"
- "{\n"
- "cmp.ne p6, p7 = r8, r0\n"
- "mov r17 = ip\n" /* get ip to calc return address */
- "mov r9 = "__stringify(XEN_PSR_I_ADDR_ADDR) "\n"
- ";;\n"
- "}\n"
- "{\n"
- /* r9 = XEN_PSR_I_ADDR */
- "ld8 r9 = [r9]\n"
- ";;\n"
- /* r10 = masked previous value */
- "(p6) ld1.acq r10 = [r9]\n"
- "adds r17 = 1f - 1b, r17\n" /* calculate return address */
- ";;\n"
- "}\n"
- "{\n"
- /* p8 = !masked interrupt masked previously? */
- "(p6) cmp.ne.unc p8, p0 = r10, r0\n"
- "\n"
- /* p7 = else clause */
- "(p7) mov r11 = 1\n"
- ";;\n"
- "(p8) mov b6 = r17\n" /* set return address */
- "}\n"
- "{\n"
- /* masked = 1 */
- "(p7) st1.rel [r9] = r11\n"
- "\n"
- "[99:]\n"
- "(p8) brl.cond.dptk.few xen_check_events\n"
- "}\n"
- /* pv calling stub is 5 bundles. fill nop to adjust return address */
- "{\n"
- "nop 0\n"
- "nop 0\n"
- "nop 0\n"
- "}\n"
- "1:\n"
- "__xen_intrin_local_irq_restore_direct_end:\n"
- ".endp __xen_intrin_local_irq_restore_direct\n"
- "\n"
- ".align 8\n"
- "__xen_intrin_local_irq_restore_direct_reloc:\n"
- "data8 99b\n"
-);
-
-static struct paravirt_patch_bundle_elem xen_patch_bundle_elems[]
-__initdata_or_module =
-{
-#define XEN_PATCH_BUNDLE_ELEM(name, type) \
- { \
- (void*)xen_ ## name ## _direct_start, \
- (void*)xen_ ## name ## _direct_end, \
- PARAVIRT_PATCH_TYPE_ ## type, \
- }
-
- XEN_PATCH_BUNDLE_ELEM(fc, FC),
- XEN_PATCH_BUNDLE_ELEM(thash, THASH),
- XEN_PATCH_BUNDLE_ELEM(get_cpuid, GET_CPUID),
- XEN_PATCH_BUNDLE_ELEM(get_pmd, GET_PMD),
- XEN_PATCH_BUNDLE_ELEM(ptcga, PTCGA),
- XEN_PATCH_BUNDLE_ELEM(get_rr, GET_RR),
- XEN_PATCH_BUNDLE_ELEM(set_rr, SET_RR),
- XEN_PATCH_BUNDLE_ELEM(set_rr0_to_rr4, SET_RR0_TO_RR4),
- XEN_PATCH_BUNDLE_ELEM(ssm_i, SSM_I),
- XEN_PATCH_BUNDLE_ELEM(rsm_i, RSM_I),
- XEN_PATCH_BUNDLE_ELEM(get_psr_i, GET_PSR_I),
- {
- (void*)__xen_intrin_local_irq_restore_direct_start,
- (void*)__xen_intrin_local_irq_restore_direct_end,
- PARAVIRT_PATCH_TYPE_INTRIN_LOCAL_IRQ_RESTORE,
- },
-
-#define XEN_PATCH_BUNDLE_ELEM_GETREG(name, reg) \
- { \
- xen_get_ ## name ## _direct_start, \
- xen_get_ ## name ## _direct_end, \
- PARAVIRT_PATCH_TYPE_GETREG + _IA64_REG_ ## reg, \
- }
-
- XEN_PATCH_BUNDLE_ELEM_GETREG(psr, PSR),
- XEN_PATCH_BUNDLE_ELEM_GETREG(eflag, AR_EFLAG),
-
- XEN_PATCH_BUNDLE_ELEM_GETREG(ivr, CR_IVR),
- XEN_PATCH_BUNDLE_ELEM_GETREG(tpr, CR_TPR),
-
- XEN_PATCH_BUNDLE_ELEM_GETREG(itc, AR_ITC),
- XEN_PATCH_BUNDLE_ELEM_GETREG(itm_with_offset, CR_ITM),
-
-
-#define __XEN_PATCH_BUNDLE_ELEM_SETREG(name, reg) \
- { \
- xen_ ## name ## _direct_start, \
- xen_ ## name ## _direct_end, \
- PARAVIRT_PATCH_TYPE_SETREG + _IA64_REG_ ## reg, \
- }
-
-#define XEN_PATCH_BUNDLE_ELEM_SETREG(name, reg) \
- __XEN_PATCH_BUNDLE_ELEM_SETREG(set_ ## name, reg)
-
- XEN_PATCH_BUNDLE_ELEM_SETREG(kr0, AR_KR0),
- XEN_PATCH_BUNDLE_ELEM_SETREG(kr1, AR_KR1),
- XEN_PATCH_BUNDLE_ELEM_SETREG(kr2, AR_KR2),
- XEN_PATCH_BUNDLE_ELEM_SETREG(kr3, AR_KR3),
- XEN_PATCH_BUNDLE_ELEM_SETREG(kr4, AR_KR4),
- XEN_PATCH_BUNDLE_ELEM_SETREG(kr5, AR_KR5),
- XEN_PATCH_BUNDLE_ELEM_SETREG(kr6, AR_KR6),
- XEN_PATCH_BUNDLE_ELEM_SETREG(kr7, AR_KR7),
-
- XEN_PATCH_BUNDLE_ELEM_SETREG(eflag, AR_EFLAG),
- XEN_PATCH_BUNDLE_ELEM_SETREG(tpr, CR_TPR),
- __XEN_PATCH_BUNDLE_ELEM_SETREG(eoi, CR_EOI),
-
- XEN_PATCH_BUNDLE_ELEM_SETREG(itc, AR_ITC),
- XEN_PATCH_BUNDLE_ELEM_SETREG(itm_with_offset, CR_ITM),
-};
-
-static unsigned long __init_or_module
-xen_patch_bundle(void *sbundle, void *ebundle, unsigned long type)
-{
- const unsigned long nelems = sizeof(xen_patch_bundle_elems) /
- sizeof(xen_patch_bundle_elems[0]);
- unsigned long used;
- const struct paravirt_patch_bundle_elem *found;
-
- used = __paravirt_patch_apply_bundle(sbundle, ebundle, type,
- xen_patch_bundle_elems, nelems,
- &found);
-
- if (found == NULL)
- /* fallback */
- return ia64_native_patch_bundle(sbundle, ebundle, type);
- if (used == 0)
- return used;
-
- /* relocation */
- switch (type) {
- case PARAVIRT_PATCH_TYPE_INTRIN_LOCAL_IRQ_RESTORE: {
- unsigned long reloc =
- __xen_intrin_local_irq_restore_direct_reloc;
- unsigned long reloc_offset = reloc - (unsigned long)
- __xen_intrin_local_irq_restore_direct_start;
- unsigned long tag = (unsigned long)sbundle + reloc_offset;
- paravirt_patch_reloc_brl(tag, xen_check_events);
- break;
- }
- default:
- /* nothing */
- break;
- }
- return used;
-}
-#endif /* ASM_SUPPOTED */
-
-const struct paravirt_patch_branch_target xen_branch_target[]
-__initconst = {
-#define PARAVIRT_BR_TARGET(name, type) \
- { \
- &xen_ ## name, \
- PARAVIRT_PATCH_TYPE_BR_ ## type, \
- }
- PARAVIRT_BR_TARGET(switch_to, SWITCH_TO),
- PARAVIRT_BR_TARGET(leave_syscall, LEAVE_SYSCALL),
- PARAVIRT_BR_TARGET(work_processed_syscall, WORK_PROCESSED_SYSCALL),
- PARAVIRT_BR_TARGET(leave_kernel, LEAVE_KERNEL),
-};
-
-static void __init
-xen_patch_branch(unsigned long tag, unsigned long type)
-{
- __paravirt_patch_apply_branch(tag, type, xen_branch_target,
- ARRAY_SIZE(xen_branch_target));
-}
diff --git a/arch/ia64/xen/xencomm.c b/arch/ia64/xen/xencomm.c
deleted file mode 100644
index 73d903ca2d6..00000000000
--- a/arch/ia64/xen/xencomm.c
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
- * Copyright (C) 2006 Hollis Blanchard <hollisb@us.ibm.com>, IBM Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include <linux/mm.h>
-#include <linux/err.h>
-
-static unsigned long kernel_virtual_offset;
-static int is_xencomm_initialized;
-
-/* for xen early printk. It uses console io hypercall which uses xencomm.
- * However early printk may use it before xencomm initialization.
- */
-int
-xencomm_is_initialized(void)
-{
- return is_xencomm_initialized;
-}
-
-void
-xencomm_initialize(void)
-{
- kernel_virtual_offset = KERNEL_START - ia64_tpa(KERNEL_START);
- is_xencomm_initialized = 1;
-}
-
-/* Translate virtual address to physical address. */
-unsigned long
-xencomm_vtop(unsigned long vaddr)
-{
- struct page *page;
- struct vm_area_struct *vma;
-
- if (vaddr == 0)
- return 0UL;
-
- if (REGION_NUMBER(vaddr) == 5) {
- pgd_t *pgd;
- pud_t *pud;
- pmd_t *pmd;
- pte_t *ptep;
-
- /* On ia64, TASK_SIZE refers to current. It is not initialized
- during boot.
- Furthermore the kernel is relocatable and __pa() doesn't
- work on addresses. */
- if (vaddr >= KERNEL_START
- && vaddr < (KERNEL_START + KERNEL_TR_PAGE_SIZE))
- return vaddr - kernel_virtual_offset;
-
- /* In kernel area -- virtually mapped. */
- pgd = pgd_offset_k(vaddr);
- if (pgd_none(*pgd) || pgd_bad(*pgd))
- return ~0UL;
-
- pud = pud_offset(pgd, vaddr);
- if (pud_none(*pud) || pud_bad(*pud))
- return ~0UL;
-
- pmd = pmd_offset(pud, vaddr);
- if (pmd_none(*pmd) || pmd_bad(*pmd))
- return ~0UL;
-
- ptep = pte_offset_kernel(pmd, vaddr);
- if (!ptep)
- return ~0UL;
-
- return (pte_val(*ptep) & _PFN_MASK) | (vaddr & ~PAGE_MASK);
- }
-
- if (vaddr > TASK_SIZE) {
- /* percpu variables */
- if (REGION_NUMBER(vaddr) == 7 &&
- REGION_OFFSET(vaddr) >= (1ULL << IA64_MAX_PHYS_BITS))
- ia64_tpa(vaddr);
-
- /* kernel address */
- return __pa(vaddr);
- }
-
- /* XXX double-check (lack of) locking */
- vma = find_extend_vma(current->mm, vaddr);
- if (!vma)
- return ~0UL;
-
- /* We assume the page is modified. */
- page = follow_page(vma, vaddr, FOLL_WRITE | FOLL_TOUCH);
- if (IS_ERR_OR_NULL(page))
- return ~0UL;
-
- return (page_to_pfn(page) << PAGE_SHIFT) | (vaddr & ~PAGE_MASK);
-}
diff --git a/arch/ia64/xen/xenivt.S b/arch/ia64/xen/xenivt.S
deleted file mode 100644
index 3e71d50584d..00000000000
--- a/arch/ia64/xen/xenivt.S
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * arch/ia64/xen/ivt.S
- *
- * Copyright (C) 2005 Hewlett-Packard Co
- * Dan Magenheimer <dan.magenheimer@hp.com>
- *
- * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
- * VA Linux Systems Japan K.K.
- * pv_ops.
- */
-
-#include <asm/asmmacro.h>
-#include <asm/kregs.h>
-#include <asm/pgtable.h>
-
-#include "../kernel/minstate.h"
-
- .section .text,"ax"
-GLOBAL_ENTRY(xen_event_callback)
- mov r31=pr // prepare to save predicates
- ;;
- SAVE_MIN_WITH_COVER // uses r31; defines r2 and r3
- ;;
- movl r3=XSI_PSR_IC
- mov r14=1
- ;;
- st4 [r3]=r14
- ;;
- adds r3=8,r2 // set up second base pointer for SAVE_REST
- srlz.i // ensure everybody knows psr.ic is back on
- ;;
- SAVE_REST
- ;;
-1:
- alloc r14=ar.pfs,0,0,1,0 // must be first in an insn group
- add out0=16,sp // pass pointer to pt_regs as first arg
- ;;
- br.call.sptk.many b0=xen_evtchn_do_upcall
- ;;
- movl r20=XSI_PSR_I_ADDR
- ;;
- ld8 r20=[r20]
- ;;
- adds r20=-1,r20 // vcpu_info->evtchn_upcall_pending
- ;;
- ld1 r20=[r20]
- ;;
- cmp.ne p6,p0=r20,r0 // if there are pending events,
- (p6) br.spnt.few 1b // call evtchn_do_upcall again.
- br.sptk.many xen_leave_kernel // we know ia64_leave_kernel is
- // paravirtualized as xen_leave_kernel
-END(xen_event_callback)
diff --git a/arch/ia64/xen/xensetup.S b/arch/ia64/xen/xensetup.S
deleted file mode 100644
index e29519ebe2d..00000000000
--- a/arch/ia64/xen/xensetup.S
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
- * Support routines for Xen
- *
- * Copyright (C) 2005 Dan Magenheimer <dan.magenheimer@hp.com>
- */
-
-#include <asm/processor.h>
-#include <asm/asmmacro.h>
-#include <asm/pgtable.h>
-#include <asm/paravirt.h>
-#include <asm/xen/privop.h>
-#include <linux/elfnote.h>
-#include <linux/init.h>
-#include <xen/interface/elfnote.h>
-
- .section .data..read_mostly
- .align 8
- .global xen_domain_type
-xen_domain_type:
- data4 XEN_NATIVE_ASM
- .previous
-
- __INIT
-ENTRY(startup_xen)
- // Calculate load offset.
- // The constant, LOAD_OFFSET, can't be used because the boot
- // loader doesn't always load to the LMA specified by the vmlinux.lds.
- mov r9=ip // must be the first instruction to make sure
- // that r9 = the physical address of startup_xen.
- // Usually r9 = startup_xen - LOAD_OFFSET
- movl r8=startup_xen
- ;;
- sub r9=r9,r8 // Usually r9 = -LOAD_OFFSET.
-
- mov r10=PARAVIRT_HYPERVISOR_TYPE_XEN
- movl r11=_start
- ;;
- add r11=r11,r9
- movl r8=hypervisor_type
- ;;
- add r8=r8,r9
- mov b0=r11
- ;;
- st8 [r8]=r10
- br.cond.sptk.many b0
- ;;
-END(startup_xen)
-
- ELFNOTE(Xen, XEN_ELFNOTE_GUEST_OS, .asciz "linux")
- ELFNOTE(Xen, XEN_ELFNOTE_GUEST_VERSION, .asciz "2.6")
- ELFNOTE(Xen, XEN_ELFNOTE_XEN_VERSION, .asciz "xen-3.0")
- ELFNOTE(Xen, XEN_ELFNOTE_ENTRY, data8.ua startup_xen - LOAD_OFFSET)
-
-#define isBP p3 // are we the Bootstrap Processor?
-
-GLOBAL_ENTRY(xen_setup_hook)
- mov r8=XEN_PV_DOMAIN_ASM
-(isBP) movl r9=xen_domain_type;;
-(isBP) st4 [r9]=r8
- movl r10=xen_ivt;;
-
- mov cr.iva=r10
-
- /* Set xsi base. */
-#define FW_HYPERCALL_SET_SHARED_INFO_VA 0x600
-(isBP) mov r2=FW_HYPERCALL_SET_SHARED_INFO_VA
-(isBP) movl r28=XSI_BASE;;
-(isBP) break 0x1000;;
-
- /* setup pv_ops */
-(isBP) mov r4=rp
- ;;
-(isBP) br.call.sptk.many rp=xen_setup_pv_ops
- ;;
-(isBP) mov rp=r4
- ;;
-
- br.ret.sptk.many rp
- ;;
-END(xen_setup_hook)
diff --git a/arch/m32r/include/asm/barrier.h b/arch/m32r/include/asm/barrier.h
index 6976621efd3..1a40265e8d8 100644
--- a/arch/m32r/include/asm/barrier.h
+++ b/arch/m32r/include/asm/barrier.h
@@ -11,84 +11,6 @@
#define nop() __asm__ __volatile__ ("nop" : : )
-/*
- * Memory barrier.
- *
- * mb() prevents loads and stores being reordered across this point.
- * rmb() prevents loads being reordered across this point.
- * wmb() prevents stores being reordered across this point.
- */
-#define mb() barrier()
-#define rmb() mb()
-#define wmb() mb()
-
-/**
- * read_barrier_depends - Flush all pending reads that subsequents reads
- * depend on.
- *
- * No data-dependent reads from memory-like regions are ever reordered
- * over this barrier. All reads preceding this primitive are guaranteed
- * to access memory (but not necessarily other CPUs' caches) before any
- * reads following this primitive that depend on the data return by
- * any of the preceding reads. This primitive is much lighter weight than
- * rmb() on most CPUs, and is never heavier weight than is
- * rmb().
- *
- * These ordering constraints are respected by both the local CPU
- * and the compiler.
- *
- * Ordering is not guaranteed by anything other than these primitives,
- * not even by data dependencies. See the documentation for
- * memory_barrier() for examples and URLs to more information.
- *
- * For example, the following code would force ordering (the initial
- * value of "a" is zero, "b" is one, and "p" is "&a"):
- *
- * <programlisting>
- * CPU 0 CPU 1
- *
- * b = 2;
- * memory_barrier();
- * p = &b; q = p;
- * read_barrier_depends();
- * d = *q;
- * </programlisting>
- *
- *
- * because the read of "*q" depends on the read of "p" and these
- * two reads are separated by a read_barrier_depends(). However,
- * the following code, with the same initial values for "a" and "b":
- *
- * <programlisting>
- * CPU 0 CPU 1
- *
- * a = 2;
- * memory_barrier();
- * b = 3; y = b;
- * read_barrier_depends();
- * x = a;
- * </programlisting>
- *
- * does not enforce ordering, since there is no data dependency between
- * the read of "a" and the read of "b". Therefore, on some CPUs, such
- * as Alpha, "y" could be set to 3 and "x" to 0. Use rmb()
- * in cases like this where there are no data dependencies.
- **/
-
-#define read_barrier_depends() do { } while (0)
-
-#ifdef CONFIG_SMP
-#define smp_mb() mb()
-#define smp_rmb() rmb()
-#define smp_wmb() wmb()
-#define smp_read_barrier_depends() read_barrier_depends()
-#define set_mb(var, value) do { (void) xchg(&var, value); } while (0)
-#else
-#define smp_mb() barrier()
-#define smp_rmb() barrier()
-#define smp_wmb() barrier()
-#define smp_read_barrier_depends() do { } while (0)
-#define set_mb(var, value) do { var = value; barrier(); } while (0)
-#endif
+#include <asm-generic/barrier.h>
#endif /* _ASM_M32R_BARRIER_H */
diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index 75f25a8e300..dbdd2231c75 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -87,6 +87,30 @@ config MMU_SUN3
bool
depends on MMU && !MMU_MOTOROLA && !MMU_COLDFIRE
+config KEXEC
+ bool "kexec system call"
+ depends on M68KCLASSIC
+ help
+ kexec is a system call that implements the ability to shutdown your
+ current kernel, and to start another kernel. It is like a reboot
+ but it is independent of the system firmware. And like a reboot
+ you can start any kernel with it, not just Linux.
+
+ The name comes from the similarity to the exec system call.
+
+ It is an ongoing process to be certain the hardware in a machine
+ is properly shutdown, so do not be surprised if this code does not
+ initially work for you. As of this writing the exact hardware
+ interface is strongly in flux, so no good recommendation can be
+ made.
+
+config BOOTINFO_PROC
+ bool "Export bootinfo in procfs"
+ depends on KEXEC && M68KCLASSIC
+ help
+ Say Y to export the bootinfo used to boot the kernel in a
+ "bootinfo" file in procfs. This is useful with kexec.
+
menu "Platform setup"
source arch/m68k/Kconfig.cpu
diff --git a/arch/m68k/amiga/chipram.c b/arch/m68k/amiga/chipram.c
index 99449fbf9a7..ba03cec3f71 100644
--- a/arch/m68k/amiga/chipram.c
+++ b/arch/m68k/amiga/chipram.c
@@ -87,7 +87,7 @@ void *amiga_chip_alloc_res(unsigned long size, struct resource *res)
atomic_sub(size, &chipavail);
pr_debug("amiga_chip_alloc_res: returning %pR\n", res);
- return (void *)ZTWO_VADDR(res->start);
+ return ZTWO_VADDR(res->start);
}
void amiga_chip_free(void *ptr)
diff --git a/arch/m68k/amiga/config.c b/arch/m68k/amiga/config.c
index b819390e29c..9625b713222 100644
--- a/arch/m68k/amiga/config.c
+++ b/arch/m68k/amiga/config.c
@@ -28,6 +28,8 @@
#include <linux/keyboard.h>
#include <asm/bootinfo.h>
+#include <asm/bootinfo-amiga.h>
+#include <asm/byteorder.h>
#include <asm/setup.h>
#include <asm/pgtable.h>
#include <asm/amigahw.h>
@@ -140,46 +142,46 @@ static struct resource ram_resource[NUM_MEMINFO];
* Parse an Amiga-specific record in the bootinfo
*/
-int amiga_parse_bootinfo(const struct bi_record *record)
+int __init amiga_parse_bootinfo(const struct bi_record *record)
{
int unknown = 0;
- const unsigned long *data = record->data;
+ const void *data = record->data;
- switch (record->tag) {
+ switch (be16_to_cpu(record->tag)) {
case BI_AMIGA_MODEL:
- amiga_model = *data;
+ amiga_model = be32_to_cpup(data);
break;
case BI_AMIGA_ECLOCK:
- amiga_eclock = *data;
+ amiga_eclock = be32_to_cpup(data);
break;
case BI_AMIGA_CHIPSET:
- amiga_chipset = *data;
+ amiga_chipset = be32_to_cpup(data);
break;
case BI_AMIGA_CHIP_SIZE:
- amiga_chip_size = *(const int *)data;
+ amiga_chip_size = be32_to_cpup(data);
break;
case BI_AMIGA_VBLANK:
- amiga_vblank = *(const unsigned char *)data;
+ amiga_vblank = *(const __u8 *)data;
break;
case BI_AMIGA_PSFREQ:
- amiga_psfreq = *(const unsigned char *)data;
+ amiga_psfreq = *(const __u8 *)data;
break;
case BI_AMIGA_AUTOCON:
#ifdef CONFIG_ZORRO
if (zorro_num_autocon < ZORRO_NUM_AUTO) {
- const struct ConfigDev *cd = (struct ConfigDev *)data;
- struct zorro_dev *dev = &zorro_autocon[zorro_num_autocon++];
+ const struct ConfigDev *cd = data;
+ struct zorro_dev_init *dev = &zorro_autocon_init[zorro_num_autocon++];
dev->rom = cd->cd_Rom;
- dev->slotaddr = cd->cd_SlotAddr;
- dev->slotsize = cd->cd_SlotSize;
- dev->resource.start = (unsigned long)cd->cd_BoardAddr;
- dev->resource.end = dev->resource.start + cd->cd_BoardSize - 1;
+ dev->slotaddr = be16_to_cpu(cd->cd_SlotAddr);
+ dev->slotsize = be16_to_cpu(cd->cd_SlotSize);
+ dev->boardaddr = be32_to_cpu(cd->cd_BoardAddr);
+ dev->boardsize = be32_to_cpu(cd->cd_BoardSize);
} else
printk("amiga_parse_bootinfo: too many AutoConfig devices\n");
#endif /* CONFIG_ZORRO */
@@ -358,6 +360,14 @@ static void __init amiga_identify(void)
#undef AMIGAHW_ANNOUNCE
}
+
+static unsigned long amiga_random_get_entropy(void)
+{
+ /* VPOSR/VHPOSR provide at least 17 bits of data changing at 1.79 MHz */
+ return *(unsigned long *)&amiga_custom.vposr;
+}
+
+
/*
* Setup the Amiga configuration info
*/
@@ -395,6 +405,8 @@ void __init config_amiga(void)
mach_heartbeat = amiga_heartbeat;
#endif
+ mach_random_get_entropy = amiga_random_get_entropy;
+
/* Fill in the clock value (based on the 700 kHz E-Clock) */
amiga_colorclock = 5*amiga_eclock; /* 3.5 MHz */
@@ -608,6 +620,8 @@ static void amiga_mem_console_write(struct console *co, const char *s,
static int __init amiga_savekmsg_setup(char *arg)
{
+ bool registered;
+
if (!MACH_IS_AMIGA || strcmp(arg, "mem"))
return 0;
@@ -618,14 +632,16 @@ static int __init amiga_savekmsg_setup(char *arg)
/* Just steal the block, the chipram allocator isn't functional yet */
amiga_chip_size -= SAVEKMSG_MAXMEM;
- savekmsg = (void *)ZTWO_VADDR(CHIP_PHYSADDR + amiga_chip_size);
+ savekmsg = ZTWO_VADDR(CHIP_PHYSADDR + amiga_chip_size);
savekmsg->magic1 = SAVEKMSG_MAGIC1;
savekmsg->magic2 = SAVEKMSG_MAGIC2;
savekmsg->magicptr = ZTWO_PADDR(savekmsg);
savekmsg->size = 0;
+ registered = !!amiga_console_driver.write;
amiga_console_driver.write = amiga_mem_console_write;
- register_console(&amiga_console_driver);
+ if (!registered)
+ register_console(&amiga_console_driver);
return 0;
}
@@ -707,11 +723,16 @@ void amiga_serial_gets(struct console *co, char *s, int len)
static int __init amiga_debug_setup(char *arg)
{
- if (MACH_IS_AMIGA && !strcmp(arg, "ser")) {
- /* no initialization required (?) */
- amiga_console_driver.write = amiga_serial_console_write;
+ bool registered;
+
+ if (!MACH_IS_AMIGA || strcmp(arg, "ser"))
+ return 0;
+
+ /* no initialization required (?) */
+ registered = !!amiga_console_driver.write;
+ amiga_console_driver.write = amiga_serial_console_write;
+ if (!registered)
register_console(&amiga_console_driver);
- }
return 0;
}
diff --git a/arch/m68k/amiga/platform.c b/arch/m68k/amiga/platform.c
index dacd9f911f7..d34029d7b05 100644
--- a/arch/m68k/amiga/platform.c
+++ b/arch/m68k/amiga/platform.c
@@ -13,6 +13,7 @@
#include <asm/amigahw.h>
#include <asm/amigayle.h>
+#include <asm/byteorder.h>
#ifdef CONFIG_ZORRO
@@ -66,10 +67,12 @@ static int __init z_dev_present(zorro_id id)
{
unsigned int i;
- for (i = 0; i < zorro_num_autocon; i++)
- if (zorro_autocon[i].rom.er_Manufacturer == ZORRO_MANUF(id) &&
- zorro_autocon[i].rom.er_Product == ZORRO_PROD(id))
+ for (i = 0; i < zorro_num_autocon; i++) {
+ const struct ExpansionRom *rom = &zorro_autocon_init[i].rom;
+ if (be16_to_cpu(rom->er_Manufacturer) == ZORRO_MANUF(id) &&
+ rom->er_Product == ZORRO_PROD(id))
return 1;
+ }
return 0;
}
diff --git a/arch/m68k/apollo/config.c b/arch/m68k/apollo/config.c
index 3ea56b90e71..9268c0f9637 100644
--- a/arch/m68k/apollo/config.c
+++ b/arch/m68k/apollo/config.c
@@ -1,3 +1,4 @@
+#include <linux/init.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/mm.h>
@@ -9,6 +10,8 @@
#include <asm/setup.h>
#include <asm/bootinfo.h>
+#include <asm/bootinfo-apollo.h>
+#include <asm/byteorder.h>
#include <asm/pgtable.h>
#include <asm/apollohw.h>
#include <asm/irq.h>
@@ -43,26 +46,25 @@ static const char *apollo_models[] = {
[APOLLO_DN4500-APOLLO_DN3000] = "DN4500 (Roadrunner)"
};
-int apollo_parse_bootinfo(const struct bi_record *record) {
-
+int __init apollo_parse_bootinfo(const struct bi_record *record)
+{
int unknown = 0;
- const unsigned long *data = record->data;
+ const void *data = record->data;
- switch(record->tag) {
- case BI_APOLLO_MODEL:
- apollo_model=*data;
- break;
+ switch (be16_to_cpu(record->tag)) {
+ case BI_APOLLO_MODEL:
+ apollo_model = be32_to_cpup(data);
+ break;
- default:
- unknown=1;
+ default:
+ unknown=1;
}
return unknown;
}
-void dn_setup_model(void) {
-
-
+static void __init dn_setup_model(void)
+{
printk("Apollo hardware found: ");
printk("[%s]\n", apollo_models[apollo_model - APOLLO_DN3000]);
diff --git a/arch/m68k/atari/ataints.c b/arch/m68k/atari/ataints.c
index 20cde4e9fc7..3e73a63c066 100644
--- a/arch/m68k/atari/ataints.c
+++ b/arch/m68k/atari/ataints.c
@@ -333,6 +333,9 @@ void __init atari_init_IRQ(void)
m68k_setup_irq_controller(&atari_mfptimer_chip, handle_simple_irq,
IRQ_MFP_TIMER1, 8);
+ irq_set_status_flags(IRQ_MFP_TIMER1, IRQ_IS_POLLED);
+ irq_set_status_flags(IRQ_MFP_TIMER2, IRQ_IS_POLLED);
+
/* prepare timer D data for use as poll interrupt */
/* set Timer D data Register - needs to be > 0 */
st_mfp.tim_dt_d = 254; /* < 100 Hz */
diff --git a/arch/m68k/atari/config.c b/arch/m68k/atari/config.c
index fb2d0bd9b3a..01a62161b08 100644
--- a/arch/m68k/atari/config.c
+++ b/arch/m68k/atari/config.c
@@ -37,6 +37,8 @@
#include <linux/module.h>
#include <asm/bootinfo.h>
+#include <asm/bootinfo-atari.h>
+#include <asm/byteorder.h>
#include <asm/setup.h>
#include <asm/atarihw.h>
#include <asm/atariints.h>
@@ -129,14 +131,14 @@ static int __init scc_test(volatile char *ctla)
int __init atari_parse_bootinfo(const struct bi_record *record)
{
int unknown = 0;
- const u_long *data = record->data;
+ const void *data = record->data;
- switch (record->tag) {
+ switch (be16_to_cpu(record->tag)) {
case BI_ATARI_MCH_COOKIE:
- atari_mch_cookie = *data;
+ atari_mch_cookie = be32_to_cpup(data);
break;
case BI_ATARI_MCH_TYPE:
- atari_mch_type = *data;
+ atari_mch_type = be32_to_cpup(data);
break;
default:
unknown = 1;
diff --git a/arch/m68k/atari/debug.c b/arch/m68k/atari/debug.c
index a547ba9683d..03cb5e08d7c 100644
--- a/arch/m68k/atari/debug.c
+++ b/arch/m68k/atari/debug.c
@@ -287,6 +287,8 @@ static void __init atari_init_midi_port(int cflag)
static int __init atari_debug_setup(char *arg)
{
+ bool registered;
+
if (!MACH_IS_ATARI)
return 0;
@@ -294,6 +296,7 @@ static int __init atari_debug_setup(char *arg)
/* defaults to ser2 for a Falcon and ser1 otherwise */
arg = MACH_IS_FALCON ? "ser2" : "ser1";
+ registered = !!atari_console_driver.write;
if (!strcmp(arg, "ser1")) {
/* ST-MFP Modem1 serial port */
atari_init_mfp_port(B9600|CS8);
@@ -317,7 +320,7 @@ static int __init atari_debug_setup(char *arg)
sound_ym.wd_data = sound_ym.rd_data_reg_sel | 0x20; /* strobe H */
atari_console_driver.write = atari_par_console_write;
}
- if (atari_console_driver.write)
+ if (atari_console_driver.write && !registered)
register_console(&atari_console_driver);
return 0;
diff --git a/arch/m68k/bvme6000/config.c b/arch/m68k/bvme6000/config.c
index 8943aa4c18e..478623dbb20 100644
--- a/arch/m68k/bvme6000/config.c
+++ b/arch/m68k/bvme6000/config.c
@@ -28,6 +28,8 @@
#include <linux/bcd.h>
#include <asm/bootinfo.h>
+#include <asm/bootinfo-vme.h>
+#include <asm/byteorder.h>
#include <asm/pgtable.h>
#include <asm/setup.h>
#include <asm/irq.h>
@@ -50,9 +52,9 @@ void bvme6000_set_vectors (void);
static irq_handler_t tick_handler;
-int bvme6000_parse_bootinfo(const struct bi_record *bi)
+int __init bvme6000_parse_bootinfo(const struct bi_record *bi)
{
- if (bi->tag == BI_VME_TYPE)
+ if (be16_to_cpu(bi->tag) == BI_VME_TYPE)
return 0;
else
return 1;
diff --git a/arch/m68k/configs/amiga_defconfig b/arch/m68k/configs/amiga_defconfig
index 19325e117ee..559ff3af8ff 100644
--- a/arch/m68k/configs/amiga_defconfig
+++ b/arch/m68k/configs/amiga_defconfig
@@ -52,7 +52,6 @@ CONFIG_IP_PNP_RARP=y
CONFIG_NET_IPIP=m
CONFIG_NET_IPGRE_DEMUX=m
CONFIG_NET_IPGRE=m
-CONFIG_SYN_COOKIES=y
CONFIG_NET_IPVTI=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
@@ -63,11 +62,11 @@ CONFIG_INET_XFRM_MODE_BEET=m
# CONFIG_INET_LRO is not set
CONFIG_INET_DIAG=m
CONFIG_INET_UDP_DIAG=m
-CONFIG_IPV6_PRIVACY=y
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_VTI=m
CONFIG_IPV6_GRE=m
CONFIG_NETFILTER=y
CONFIG_NF_CONNTRACK=m
@@ -85,6 +84,17 @@ CONFIG_NF_CONNTRACK_PPTP=m
CONFIG_NF_CONNTRACK_SANE=m
CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
+CONFIG_NF_TABLES=m
+CONFIG_NFT_EXTHDR=m
+CONFIG_NFT_META=m
+CONFIG_NFT_CT=m
+CONFIG_NFT_RBTREE=m
+CONFIG_NFT_HASH=m
+CONFIG_NFT_COUNTER=m
+CONFIG_NFT_LOG=m
+CONFIG_NFT_LIMIT=m
+CONFIG_NFT_NAT=m
+CONFIG_NFT_COMPAT=m
CONFIG_NETFILTER_XT_SET=m
CONFIG_NETFILTER_XT_TARGET_CHECKSUM=m
CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
@@ -98,6 +108,7 @@ CONFIG_NETFILTER_XT_TARGET_NFLOG=m
CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
CONFIG_NETFILTER_XT_TARGET_NOTRACK=m
CONFIG_NETFILTER_XT_TARGET_TEE=m
+CONFIG_NETFILTER_XT_TARGET_TPROXY=m
CONFIG_NETFILTER_XT_TARGET_TRACE=m
CONFIG_NETFILTER_XT_TARGET_TCPMSS=m
CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP=m
@@ -130,6 +141,7 @@ CONFIG_NETFILTER_XT_MATCH_QUOTA=m
CONFIG_NETFILTER_XT_MATCH_RATEEST=m
CONFIG_NETFILTER_XT_MATCH_REALM=m
CONFIG_NETFILTER_XT_MATCH_RECENT=m
+CONFIG_NETFILTER_XT_MATCH_SOCKET=m
CONFIG_NETFILTER_XT_MATCH_STATE=m
CONFIG_NETFILTER_XT_MATCH_STATISTIC=m
CONFIG_NETFILTER_XT_MATCH_STRING=m
@@ -144,11 +156,18 @@ CONFIG_IP_SET_HASH_IP=m
CONFIG_IP_SET_HASH_IPPORT=m
CONFIG_IP_SET_HASH_IPPORTIP=m
CONFIG_IP_SET_HASH_IPPORTNET=m
+CONFIG_IP_SET_HASH_NETPORTNET=m
CONFIG_IP_SET_HASH_NET=m
+CONFIG_IP_SET_HASH_NETNET=m
CONFIG_IP_SET_HASH_NETPORT=m
CONFIG_IP_SET_HASH_NETIFACE=m
CONFIG_IP_SET_LIST_SET=m
CONFIG_NF_CONNTRACK_IPV4=m
+CONFIG_NF_TABLES_IPV4=m
+CONFIG_NFT_REJECT_IPV4=m
+CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_CHAIN_NAT_IPV4=m
+CONFIG_NF_TABLES_ARP=m
CONFIG_IP_NF_IPTABLES=m
CONFIG_IP_NF_MATCH_AH=m
CONFIG_IP_NF_MATCH_ECN=m
@@ -156,6 +175,7 @@ CONFIG_IP_NF_MATCH_RPFILTER=m
CONFIG_IP_NF_MATCH_TTL=m
CONFIG_IP_NF_FILTER=m
CONFIG_IP_NF_TARGET_REJECT=m
+CONFIG_IP_NF_TARGET_SYNPROXY=m
CONFIG_IP_NF_TARGET_ULOG=m
CONFIG_NF_NAT_IPV4=m
CONFIG_IP_NF_TARGET_MASQUERADE=m
@@ -170,6 +190,9 @@ CONFIG_IP_NF_ARPTABLES=m
CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
CONFIG_NF_CONNTRACK_IPV6=m
+CONFIG_NF_TABLES_IPV6=m
+CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_CHAIN_NAT_IPV6=m
CONFIG_IP6_NF_IPTABLES=m
CONFIG_IP6_NF_MATCH_AH=m
CONFIG_IP6_NF_MATCH_EUI64=m
@@ -183,11 +206,13 @@ CONFIG_IP6_NF_MATCH_RT=m
CONFIG_IP6_NF_TARGET_HL=m
CONFIG_IP6_NF_FILTER=m
CONFIG_IP6_NF_TARGET_REJECT=m
+CONFIG_IP6_NF_TARGET_SYNPROXY=m
CONFIG_IP6_NF_MANGLE=m
CONFIG_IP6_NF_RAW=m
CONFIG_NF_NAT_IPV6=m
CONFIG_IP6_NF_TARGET_MASQUERADE=m
CONFIG_IP6_NF_TARGET_NPT=m
+CONFIG_NF_TABLES_BRIDGE=m
CONFIG_IP_DCCP=m
# CONFIG_IP_DCCP_CCID3 is not set
CONFIG_SCTP_COOKIE_HMAC_SHA1=y
@@ -195,10 +220,13 @@ CONFIG_RDS=m
CONFIG_RDS_TCP=m
CONFIG_L2TP=m
CONFIG_ATALK=m
+CONFIG_DNS_RESOLVER=y
CONFIG_BATMAN_ADV=m
CONFIG_BATMAN_ADV_DAT=y
+CONFIG_BATMAN_ADV_NC=y
+CONFIG_NETLINK_DIAG=m
+CONFIG_NET_MPLS_GSO=m
# CONFIG_WIRELESS is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
# CONFIG_FIRMWARE_IN_KERNEL is not set
# CONFIG_FW_LOADER_USER_HELPER is not set
@@ -216,6 +244,7 @@ CONFIG_BLK_DEV_NBD=m
CONFIG_BLK_DEV_RAM=y
CONFIG_CDROM_PKTCDVD=m
CONFIG_ATA_OVER_ETH=m
+CONFIG_DUMMY_IRQ=m
CONFIG_IDE=y
CONFIG_IDE_GD_ATAPI=y
CONFIG_BLK_DEV_IDECD=y
@@ -262,6 +291,7 @@ CONFIG_EQUALIZER=m
CONFIG_NET_TEAM=m
CONFIG_NET_TEAM_MODE_BROADCAST=m
CONFIG_NET_TEAM_MODE_ROUNDROBIN=m
+CONFIG_NET_TEAM_MODE_RANDOM=m
CONFIG_NET_TEAM_MODE_ACTIVEBACKUP=m
CONFIG_NET_TEAM_MODE_LOADBALANCE=m
CONFIG_VXLAN=m
@@ -271,10 +301,10 @@ CONFIG_VETH=m
# CONFIG_NET_VENDOR_3COM is not set
CONFIG_A2065=y
CONFIG_ARIADNE=y
+# CONFIG_NET_VENDOR_ARC is not set
# CONFIG_NET_CADENCE is not set
# CONFIG_NET_VENDOR_BROADCOM is not set
# CONFIG_NET_VENDOR_CIRRUS is not set
-# CONFIG_NET_VENDOR_FUJITSU is not set
# CONFIG_NET_VENDOR_HP is not set
# CONFIG_NET_VENDOR_INTEL is not set
# CONFIG_NET_VENDOR_MARVELL is not set
@@ -285,6 +315,7 @@ CONFIG_ZORRO8390=y
# CONFIG_NET_VENDOR_SEEQ is not set
# CONFIG_NET_VENDOR_SMSC is not set
# CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
CONFIG_PPP=m
CONFIG_PPP_BSDCOMP=m
@@ -311,7 +342,6 @@ CONFIG_JOYSTICK_AMIGA=m
CONFIG_INPUT_MISC=y
CONFIG_INPUT_M68K_BEEP=m
# CONFIG_SERIO is not set
-CONFIG_VT_HW_CONSOLE_BINDING=y
# CONFIG_LEGACY_PTYS is not set
# CONFIG_DEVKMEM is not set
CONFIG_PRINTER=m
@@ -345,10 +375,6 @@ CONFIG_HEARTBEAT=y
CONFIG_PROC_HARDWARE=y
CONFIG_AMIGA_BUILTIN_SERIAL=y
CONFIG_SERIAL_CONSOLE=y
-CONFIG_EXT2_FS=y
-CONFIG_EXT3_FS=y
-# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
-# CONFIG_EXT3_FS_XATTR is not set
CONFIG_EXT4_FS=y
CONFIG_REISERFS_FS=m
CONFIG_JFS_FS=m
@@ -385,7 +411,7 @@ CONFIG_QNX6FS_FS=m
CONFIG_SYSV_FS=m
CONFIG_UFS_FS=m
CONFIG_NFS_FS=y
-CONFIG_NFS_V4=y
+CONFIG_NFS_V4=m
CONFIG_NFS_SWAP=y
CONFIG_ROOT_NFS=y
CONFIG_NFSD=m
@@ -444,10 +470,10 @@ CONFIG_NLS_MAC_TURKISH=m
CONFIG_DLM=m
CONFIG_MAGIC_SYSRQ=y
CONFIG_ASYNC_RAID6_TEST=m
+CONFIG_TEST_STRING_HELPERS=m
CONFIG_ENCRYPTED_KEYS=m
CONFIG_CRYPTO_MANAGER=y
CONFIG_CRYPTO_USER=m
-CONFIG_CRYPTO_NULL=m
CONFIG_CRYPTO_CRYPTD=m
CONFIG_CRYPTO_TEST=m
CONFIG_CRYPTO_CCM=m
@@ -480,6 +506,8 @@ CONFIG_CRYPTO_TEA=m
CONFIG_CRYPTO_TWOFISH=m
CONFIG_CRYPTO_ZLIB=m
CONFIG_CRYPTO_LZO=m
+CONFIG_CRYPTO_LZ4=m
+CONFIG_CRYPTO_LZ4HC=m
# CONFIG_CRYPTO_ANSI_CPRNG is not set
CONFIG_CRYPTO_USER_API_HASH=m
CONFIG_CRYPTO_USER_API_SKCIPHER=m
diff --git a/arch/m68k/configs/apollo_defconfig b/arch/m68k/configs/apollo_defconfig
index 14dc6ccda7f..cb1f55df69b 100644
--- a/arch/m68k/configs/apollo_defconfig
+++ b/arch/m68k/configs/apollo_defconfig
@@ -50,7 +50,6 @@ CONFIG_IP_PNP_RARP=y
CONFIG_NET_IPIP=m
CONFIG_NET_IPGRE_DEMUX=m
CONFIG_NET_IPGRE=m
-CONFIG_SYN_COOKIES=y
CONFIG_NET_IPVTI=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
@@ -61,11 +60,11 @@ CONFIG_INET_XFRM_MODE_BEET=m
# CONFIG_INET_LRO is not set
CONFIG_INET_DIAG=m
CONFIG_INET_UDP_DIAG=m
-CONFIG_IPV6_PRIVACY=y
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_VTI=m
CONFIG_IPV6_GRE=m
CONFIG_NETFILTER=y
CONFIG_NF_CONNTRACK=m
@@ -83,6 +82,17 @@ CONFIG_NF_CONNTRACK_PPTP=m
CONFIG_NF_CONNTRACK_SANE=m
CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
+CONFIG_NF_TABLES=m
+CONFIG_NFT_EXTHDR=m
+CONFIG_NFT_META=m
+CONFIG_NFT_CT=m
+CONFIG_NFT_RBTREE=m
+CONFIG_NFT_HASH=m
+CONFIG_NFT_COUNTER=m
+CONFIG_NFT_LOG=m
+CONFIG_NFT_LIMIT=m
+CONFIG_NFT_NAT=m
+CONFIG_NFT_COMPAT=m
CONFIG_NETFILTER_XT_SET=m
CONFIG_NETFILTER_XT_TARGET_CHECKSUM=m
CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
@@ -96,6 +106,7 @@ CONFIG_NETFILTER_XT_TARGET_NFLOG=m
CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
CONFIG_NETFILTER_XT_TARGET_NOTRACK=m
CONFIG_NETFILTER_XT_TARGET_TEE=m
+CONFIG_NETFILTER_XT_TARGET_TPROXY=m
CONFIG_NETFILTER_XT_TARGET_TRACE=m
CONFIG_NETFILTER_XT_TARGET_TCPMSS=m
CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP=m
@@ -128,6 +139,7 @@ CONFIG_NETFILTER_XT_MATCH_QUOTA=m
CONFIG_NETFILTER_XT_MATCH_RATEEST=m
CONFIG_NETFILTER_XT_MATCH_REALM=m
CONFIG_NETFILTER_XT_MATCH_RECENT=m
+CONFIG_NETFILTER_XT_MATCH_SOCKET=m
CONFIG_NETFILTER_XT_MATCH_STATE=m
CONFIG_NETFILTER_XT_MATCH_STATISTIC=m
CONFIG_NETFILTER_XT_MATCH_STRING=m
@@ -142,11 +154,18 @@ CONFIG_IP_SET_HASH_IP=m
CONFIG_IP_SET_HASH_IPPORT=m
CONFIG_IP_SET_HASH_IPPORTIP=m
CONFIG_IP_SET_HASH_IPPORTNET=m
+CONFIG_IP_SET_HASH_NETPORTNET=m
CONFIG_IP_SET_HASH_NET=m
+CONFIG_IP_SET_HASH_NETNET=m
CONFIG_IP_SET_HASH_NETPORT=m
CONFIG_IP_SET_HASH_NETIFACE=m
CONFIG_IP_SET_LIST_SET=m
CONFIG_NF_CONNTRACK_IPV4=m
+CONFIG_NF_TABLES_IPV4=m
+CONFIG_NFT_REJECT_IPV4=m
+CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_CHAIN_NAT_IPV4=m
+CONFIG_NF_TABLES_ARP=m
CONFIG_IP_NF_IPTABLES=m
CONFIG_IP_NF_MATCH_AH=m
CONFIG_IP_NF_MATCH_ECN=m
@@ -154,6 +173,7 @@ CONFIG_IP_NF_MATCH_RPFILTER=m
CONFIG_IP_NF_MATCH_TTL=m
CONFIG_IP_NF_FILTER=m
CONFIG_IP_NF_TARGET_REJECT=m
+CONFIG_IP_NF_TARGET_SYNPROXY=m
CONFIG_IP_NF_TARGET_ULOG=m
CONFIG_NF_NAT_IPV4=m
CONFIG_IP_NF_TARGET_MASQUERADE=m
@@ -168,6 +188,9 @@ CONFIG_IP_NF_ARPTABLES=m
CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
CONFIG_NF_CONNTRACK_IPV6=m
+CONFIG_NF_TABLES_IPV6=m
+CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_CHAIN_NAT_IPV6=m
CONFIG_IP6_NF_IPTABLES=m
CONFIG_IP6_NF_MATCH_AH=m
CONFIG_IP6_NF_MATCH_EUI64=m
@@ -181,11 +204,13 @@ CONFIG_IP6_NF_MATCH_RT=m
CONFIG_IP6_NF_TARGET_HL=m
CONFIG_IP6_NF_FILTER=m
CONFIG_IP6_NF_TARGET_REJECT=m
+CONFIG_IP6_NF_TARGET_SYNPROXY=m
CONFIG_IP6_NF_MANGLE=m
CONFIG_IP6_NF_RAW=m
CONFIG_NF_NAT_IPV6=m
CONFIG_IP6_NF_TARGET_MASQUERADE=m
CONFIG_IP6_NF_TARGET_NPT=m
+CONFIG_NF_TABLES_BRIDGE=m
CONFIG_IP_DCCP=m
# CONFIG_IP_DCCP_CCID3 is not set
CONFIG_SCTP_COOKIE_HMAC_SHA1=y
@@ -193,10 +218,13 @@ CONFIG_RDS=m
CONFIG_RDS_TCP=m
CONFIG_L2TP=m
CONFIG_ATALK=m
+CONFIG_DNS_RESOLVER=y
CONFIG_BATMAN_ADV=m
CONFIG_BATMAN_ADV_DAT=y
+CONFIG_BATMAN_ADV_NC=y
+CONFIG_NETLINK_DIAG=m
+CONFIG_NET_MPLS_GSO=m
# CONFIG_WIRELESS is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
# CONFIG_FIRMWARE_IN_KERNEL is not set
# CONFIG_FW_LOADER_USER_HELPER is not set
@@ -208,6 +236,7 @@ CONFIG_BLK_DEV_NBD=m
CONFIG_BLK_DEV_RAM=y
CONFIG_CDROM_PKTCDVD=m
CONFIG_ATA_OVER_ETH=m
+CONFIG_DUMMY_IRQ=m
CONFIG_RAID_ATTRS=m
CONFIG_SCSI=y
CONFIG_SCSI_TGT=m
@@ -244,12 +273,14 @@ CONFIG_EQUALIZER=m
CONFIG_NET_TEAM=m
CONFIG_NET_TEAM_MODE_BROADCAST=m
CONFIG_NET_TEAM_MODE_ROUNDROBIN=m
+CONFIG_NET_TEAM_MODE_RANDOM=m
CONFIG_NET_TEAM_MODE_ACTIVEBACKUP=m
CONFIG_NET_TEAM_MODE_LOADBALANCE=m
CONFIG_VXLAN=m
CONFIG_NETCONSOLE=m
CONFIG_NETCONSOLE_DYNAMIC=y
CONFIG_VETH=m
+# CONFIG_NET_VENDOR_ARC is not set
# CONFIG_NET_CADENCE is not set
# CONFIG_NET_VENDOR_BROADCOM is not set
# CONFIG_NET_VENDOR_INTEL is not set
@@ -258,6 +289,7 @@ CONFIG_VETH=m
# CONFIG_NET_VENDOR_NATSEMI is not set
# CONFIG_NET_VENDOR_SEEQ is not set
# CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
CONFIG_PPP=m
CONFIG_PPP_BSDCOMP=m
@@ -279,7 +311,6 @@ CONFIG_INPUT_EVDEV=m
# CONFIG_MOUSE_PS2 is not set
CONFIG_MOUSE_SERIAL=m
CONFIG_SERIO=m
-CONFIG_VT_HW_CONSOLE_BINDING=y
# CONFIG_LEGACY_PTYS is not set
# CONFIG_DEVKMEM is not set
# CONFIG_HW_RANDOM is not set
@@ -302,10 +333,6 @@ CONFIG_RTC_DRV_GENERIC=m
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_HEARTBEAT=y
CONFIG_PROC_HARDWARE=y
-CONFIG_EXT2_FS=y
-CONFIG_EXT3_FS=y
-# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
-# CONFIG_EXT3_FS_XATTR is not set
CONFIG_EXT4_FS=y
CONFIG_REISERFS_FS=m
CONFIG_JFS_FS=m
@@ -342,7 +369,7 @@ CONFIG_QNX6FS_FS=m
CONFIG_SYSV_FS=m
CONFIG_UFS_FS=m
CONFIG_NFS_FS=y
-CONFIG_NFS_V4=y
+CONFIG_NFS_V4=m
CONFIG_NFS_SWAP=y
CONFIG_ROOT_NFS=y
CONFIG_NFSD=m
@@ -401,10 +428,10 @@ CONFIG_NLS_MAC_TURKISH=m
CONFIG_DLM=m
CONFIG_MAGIC_SYSRQ=y
CONFIG_ASYNC_RAID6_TEST=m
+CONFIG_TEST_STRING_HELPERS=m
CONFIG_ENCRYPTED_KEYS=m
CONFIG_CRYPTO_MANAGER=y
CONFIG_CRYPTO_USER=m
-CONFIG_CRYPTO_NULL=m
CONFIG_CRYPTO_CRYPTD=m
CONFIG_CRYPTO_TEST=m
CONFIG_CRYPTO_CCM=m
@@ -437,6 +464,8 @@ CONFIG_CRYPTO_TEA=m
CONFIG_CRYPTO_TWOFISH=m
CONFIG_CRYPTO_ZLIB=m
CONFIG_CRYPTO_LZO=m
+CONFIG_CRYPTO_LZ4=m
+CONFIG_CRYPTO_LZ4HC=m
# CONFIG_CRYPTO_ANSI_CPRNG is not set
CONFIG_CRYPTO_USER_API_HASH=m
CONFIG_CRYPTO_USER_API_SKCIPHER=m
diff --git a/arch/m68k/configs/atari_defconfig b/arch/m68k/configs/atari_defconfig
index 6d5370c914b..e880cfbb62d 100644
--- a/arch/m68k/configs/atari_defconfig
+++ b/arch/m68k/configs/atari_defconfig
@@ -49,7 +49,6 @@ CONFIG_IP_PNP_RARP=y
CONFIG_NET_IPIP=m
CONFIG_NET_IPGRE_DEMUX=m
CONFIG_NET_IPGRE=m
-CONFIG_SYN_COOKIES=y
CONFIG_NET_IPVTI=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
@@ -60,11 +59,11 @@ CONFIG_INET_XFRM_MODE_BEET=m
# CONFIG_INET_LRO is not set
CONFIG_INET_DIAG=m
CONFIG_INET_UDP_DIAG=m
-CONFIG_IPV6_PRIVACY=y
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_VTI=m
CONFIG_IPV6_GRE=m
CONFIG_NETFILTER=y
CONFIG_NF_CONNTRACK=m
@@ -82,6 +81,17 @@ CONFIG_NF_CONNTRACK_PPTP=m
CONFIG_NF_CONNTRACK_SANE=m
CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
+CONFIG_NF_TABLES=m
+CONFIG_NFT_EXTHDR=m
+CONFIG_NFT_META=m
+CONFIG_NFT_CT=m
+CONFIG_NFT_RBTREE=m
+CONFIG_NFT_HASH=m
+CONFIG_NFT_COUNTER=m
+CONFIG_NFT_LOG=m
+CONFIG_NFT_LIMIT=m
+CONFIG_NFT_NAT=m
+CONFIG_NFT_COMPAT=m
CONFIG_NETFILTER_XT_SET=m
CONFIG_NETFILTER_XT_TARGET_CHECKSUM=m
CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
@@ -95,6 +105,7 @@ CONFIG_NETFILTER_XT_TARGET_NFLOG=m
CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
CONFIG_NETFILTER_XT_TARGET_NOTRACK=m
CONFIG_NETFILTER_XT_TARGET_TEE=m
+CONFIG_NETFILTER_XT_TARGET_TPROXY=m
CONFIG_NETFILTER_XT_TARGET_TRACE=m
CONFIG_NETFILTER_XT_TARGET_TCPMSS=m
CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP=m
@@ -127,6 +138,7 @@ CONFIG_NETFILTER_XT_MATCH_QUOTA=m
CONFIG_NETFILTER_XT_MATCH_RATEEST=m
CONFIG_NETFILTER_XT_MATCH_REALM=m
CONFIG_NETFILTER_XT_MATCH_RECENT=m
+CONFIG_NETFILTER_XT_MATCH_SOCKET=m
CONFIG_NETFILTER_XT_MATCH_STATE=m
CONFIG_NETFILTER_XT_MATCH_STATISTIC=m
CONFIG_NETFILTER_XT_MATCH_STRING=m
@@ -141,11 +153,18 @@ CONFIG_IP_SET_HASH_IP=m
CONFIG_IP_SET_HASH_IPPORT=m
CONFIG_IP_SET_HASH_IPPORTIP=m
CONFIG_IP_SET_HASH_IPPORTNET=m
+CONFIG_IP_SET_HASH_NETPORTNET=m
CONFIG_IP_SET_HASH_NET=m
+CONFIG_IP_SET_HASH_NETNET=m
CONFIG_IP_SET_HASH_NETPORT=m
CONFIG_IP_SET_HASH_NETIFACE=m
CONFIG_IP_SET_LIST_SET=m
CONFIG_NF_CONNTRACK_IPV4=m
+CONFIG_NF_TABLES_IPV4=m
+CONFIG_NFT_REJECT_IPV4=m
+CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_CHAIN_NAT_IPV4=m
+CONFIG_NF_TABLES_ARP=m
CONFIG_IP_NF_IPTABLES=m
CONFIG_IP_NF_MATCH_AH=m
CONFIG_IP_NF_MATCH_ECN=m
@@ -153,6 +172,7 @@ CONFIG_IP_NF_MATCH_RPFILTER=m
CONFIG_IP_NF_MATCH_TTL=m
CONFIG_IP_NF_FILTER=m
CONFIG_IP_NF_TARGET_REJECT=m
+CONFIG_IP_NF_TARGET_SYNPROXY=m
CONFIG_IP_NF_TARGET_ULOG=m
CONFIG_NF_NAT_IPV4=m
CONFIG_IP_NF_TARGET_MASQUERADE=m
@@ -167,6 +187,9 @@ CONFIG_IP_NF_ARPTABLES=m
CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
CONFIG_NF_CONNTRACK_IPV6=m
+CONFIG_NF_TABLES_IPV6=m
+CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_CHAIN_NAT_IPV6=m
CONFIG_IP6_NF_IPTABLES=m
CONFIG_IP6_NF_MATCH_AH=m
CONFIG_IP6_NF_MATCH_EUI64=m
@@ -180,11 +203,13 @@ CONFIG_IP6_NF_MATCH_RT=m
CONFIG_IP6_NF_TARGET_HL=m
CONFIG_IP6_NF_FILTER=m
CONFIG_IP6_NF_TARGET_REJECT=m
+CONFIG_IP6_NF_TARGET_SYNPROXY=m
CONFIG_IP6_NF_MANGLE=m
CONFIG_IP6_NF_RAW=m
CONFIG_NF_NAT_IPV6=m
CONFIG_IP6_NF_TARGET_MASQUERADE=m
CONFIG_IP6_NF_TARGET_NPT=m
+CONFIG_NF_TABLES_BRIDGE=m
CONFIG_IP_DCCP=m
# CONFIG_IP_DCCP_CCID3 is not set
CONFIG_SCTP_COOKIE_HMAC_SHA1=y
@@ -192,10 +217,13 @@ CONFIG_RDS=m
CONFIG_RDS_TCP=m
CONFIG_L2TP=m
CONFIG_ATALK=m
+CONFIG_DNS_RESOLVER=y
CONFIG_BATMAN_ADV=m
CONFIG_BATMAN_ADV_DAT=y
+CONFIG_BATMAN_ADV_NC=y
+CONFIG_NETLINK_DIAG=m
+CONFIG_NET_MPLS_GSO=m
# CONFIG_WIRELESS is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
# CONFIG_FIRMWARE_IN_KERNEL is not set
# CONFIG_FW_LOADER_USER_HELPER is not set
@@ -211,6 +239,7 @@ CONFIG_BLK_DEV_NBD=m
CONFIG_BLK_DEV_RAM=y
CONFIG_CDROM_PKTCDVD=m
CONFIG_ATA_OVER_ETH=m
+CONFIG_DUMMY_IRQ=m
CONFIG_IDE=y
CONFIG_IDE_GD_ATAPI=y
CONFIG_BLK_DEV_IDECD=y
@@ -249,10 +278,10 @@ CONFIG_TCM_PSCSI=m
CONFIG_NETDEVICES=y
CONFIG_DUMMY=m
CONFIG_EQUALIZER=m
-CONFIG_MII=y
CONFIG_NET_TEAM=m
CONFIG_NET_TEAM_MODE_BROADCAST=m
CONFIG_NET_TEAM_MODE_ROUNDROBIN=m
+CONFIG_NET_TEAM_MODE_RANDOM=m
CONFIG_NET_TEAM_MODE_ACTIVEBACKUP=m
CONFIG_NET_TEAM_MODE_LOADBALANCE=m
CONFIG_VXLAN=m
@@ -260,6 +289,7 @@ CONFIG_NETCONSOLE=m
CONFIG_NETCONSOLE_DYNAMIC=y
CONFIG_VETH=m
CONFIG_ATARILANCE=y
+# CONFIG_NET_VENDOR_ARC is not set
# CONFIG_NET_CADENCE is not set
# CONFIG_NET_VENDOR_BROADCOM is not set
# CONFIG_NET_VENDOR_INTEL is not set
@@ -267,6 +297,7 @@ CONFIG_ATARILANCE=y
# CONFIG_NET_VENDOR_MICREL is not set
# CONFIG_NET_VENDOR_SEEQ is not set
# CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
CONFIG_PPP=m
CONFIG_PPP_BSDCOMP=m
@@ -291,7 +322,6 @@ CONFIG_MOUSE_ATARI=m
CONFIG_INPUT_MISC=y
CONFIG_INPUT_M68K_BEEP=m
# CONFIG_SERIO is not set
-CONFIG_VT_HW_CONSOLE_BINDING=y
# CONFIG_LEGACY_PTYS is not set
# CONFIG_DEVKMEM is not set
CONFIG_PRINTER=m
@@ -320,10 +350,6 @@ CONFIG_NFBLOCK=y
CONFIG_NFCON=y
CONFIG_NFETH=y
CONFIG_ATARI_DSP56K=m
-CONFIG_EXT2_FS=y
-CONFIG_EXT3_FS=y
-# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
-# CONFIG_EXT3_FS_XATTR is not set
CONFIG_EXT4_FS=y
CONFIG_REISERFS_FS=m
CONFIG_JFS_FS=m
@@ -360,7 +386,7 @@ CONFIG_QNX6FS_FS=m
CONFIG_SYSV_FS=m
CONFIG_UFS_FS=m
CONFIG_NFS_FS=y
-CONFIG_NFS_V4=y
+CONFIG_NFS_V4=m
CONFIG_NFS_SWAP=y
CONFIG_ROOT_NFS=y
CONFIG_NFSD=m
@@ -419,10 +445,10 @@ CONFIG_NLS_MAC_TURKISH=m
CONFIG_DLM=m
CONFIG_MAGIC_SYSRQ=y
CONFIG_ASYNC_RAID6_TEST=m
+CONFIG_TEST_STRING_HELPERS=m
CONFIG_ENCRYPTED_KEYS=m
CONFIG_CRYPTO_MANAGER=y
CONFIG_CRYPTO_USER=m
-CONFIG_CRYPTO_NULL=m
CONFIG_CRYPTO_CRYPTD=m
CONFIG_CRYPTO_TEST=m
CONFIG_CRYPTO_CCM=m
@@ -455,6 +481,8 @@ CONFIG_CRYPTO_TEA=m
CONFIG_CRYPTO_TWOFISH=m
CONFIG_CRYPTO_ZLIB=m
CONFIG_CRYPTO_LZO=m
+CONFIG_CRYPTO_LZ4=m
+CONFIG_CRYPTO_LZ4HC=m
# CONFIG_CRYPTO_ANSI_CPRNG is not set
CONFIG_CRYPTO_USER_API_HASH=m
CONFIG_CRYPTO_USER_API_SKCIPHER=m
diff --git a/arch/m68k/configs/bvme6000_defconfig b/arch/m68k/configs/bvme6000_defconfig
index c015ddb6fd8..4aa4f45e52a 100644
--- a/arch/m68k/configs/bvme6000_defconfig
+++ b/arch/m68k/configs/bvme6000_defconfig
@@ -48,7 +48,6 @@ CONFIG_IP_PNP_RARP=y
CONFIG_NET_IPIP=m
CONFIG_NET_IPGRE_DEMUX=m
CONFIG_NET_IPGRE=m
-CONFIG_SYN_COOKIES=y
CONFIG_NET_IPVTI=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
@@ -59,11 +58,11 @@ CONFIG_INET_XFRM_MODE_BEET=m
# CONFIG_INET_LRO is not set
CONFIG_INET_DIAG=m
CONFIG_INET_UDP_DIAG=m
-CONFIG_IPV6_PRIVACY=y
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_VTI=m
CONFIG_IPV6_GRE=m
CONFIG_NETFILTER=y
CONFIG_NF_CONNTRACK=m
@@ -81,6 +80,17 @@ CONFIG_NF_CONNTRACK_PPTP=m
CONFIG_NF_CONNTRACK_SANE=m
CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
+CONFIG_NF_TABLES=m
+CONFIG_NFT_EXTHDR=m
+CONFIG_NFT_META=m
+CONFIG_NFT_CT=m
+CONFIG_NFT_RBTREE=m
+CONFIG_NFT_HASH=m
+CONFIG_NFT_COUNTER=m
+CONFIG_NFT_LOG=m
+CONFIG_NFT_LIMIT=m
+CONFIG_NFT_NAT=m
+CONFIG_NFT_COMPAT=m
CONFIG_NETFILTER_XT_SET=m
CONFIG_NETFILTER_XT_TARGET_CHECKSUM=m
CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
@@ -94,6 +104,7 @@ CONFIG_NETFILTER_XT_TARGET_NFLOG=m
CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
CONFIG_NETFILTER_XT_TARGET_NOTRACK=m
CONFIG_NETFILTER_XT_TARGET_TEE=m
+CONFIG_NETFILTER_XT_TARGET_TPROXY=m
CONFIG_NETFILTER_XT_TARGET_TRACE=m
CONFIG_NETFILTER_XT_TARGET_TCPMSS=m
CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP=m
@@ -126,6 +137,7 @@ CONFIG_NETFILTER_XT_MATCH_QUOTA=m
CONFIG_NETFILTER_XT_MATCH_RATEEST=m
CONFIG_NETFILTER_XT_MATCH_REALM=m
CONFIG_NETFILTER_XT_MATCH_RECENT=m
+CONFIG_NETFILTER_XT_MATCH_SOCKET=m
CONFIG_NETFILTER_XT_MATCH_STATE=m
CONFIG_NETFILTER_XT_MATCH_STATISTIC=m
CONFIG_NETFILTER_XT_MATCH_STRING=m
@@ -140,11 +152,18 @@ CONFIG_IP_SET_HASH_IP=m
CONFIG_IP_SET_HASH_IPPORT=m
CONFIG_IP_SET_HASH_IPPORTIP=m
CONFIG_IP_SET_HASH_IPPORTNET=m
+CONFIG_IP_SET_HASH_NETPORTNET=m
CONFIG_IP_SET_HASH_NET=m
+CONFIG_IP_SET_HASH_NETNET=m
CONFIG_IP_SET_HASH_NETPORT=m
CONFIG_IP_SET_HASH_NETIFACE=m
CONFIG_IP_SET_LIST_SET=m
CONFIG_NF_CONNTRACK_IPV4=m
+CONFIG_NF_TABLES_IPV4=m
+CONFIG_NFT_REJECT_IPV4=m
+CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_CHAIN_NAT_IPV4=m
+CONFIG_NF_TABLES_ARP=m
CONFIG_IP_NF_IPTABLES=m
CONFIG_IP_NF_MATCH_AH=m
CONFIG_IP_NF_MATCH_ECN=m
@@ -152,6 +171,7 @@ CONFIG_IP_NF_MATCH_RPFILTER=m
CONFIG_IP_NF_MATCH_TTL=m
CONFIG_IP_NF_FILTER=m
CONFIG_IP_NF_TARGET_REJECT=m
+CONFIG_IP_NF_TARGET_SYNPROXY=m
CONFIG_IP_NF_TARGET_ULOG=m
CONFIG_NF_NAT_IPV4=m
CONFIG_IP_NF_TARGET_MASQUERADE=m
@@ -166,6 +186,9 @@ CONFIG_IP_NF_ARPTABLES=m
CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
CONFIG_NF_CONNTRACK_IPV6=m
+CONFIG_NF_TABLES_IPV6=m
+CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_CHAIN_NAT_IPV6=m
CONFIG_IP6_NF_IPTABLES=m
CONFIG_IP6_NF_MATCH_AH=m
CONFIG_IP6_NF_MATCH_EUI64=m
@@ -179,11 +202,13 @@ CONFIG_IP6_NF_MATCH_RT=m
CONFIG_IP6_NF_TARGET_HL=m
CONFIG_IP6_NF_FILTER=m
CONFIG_IP6_NF_TARGET_REJECT=m
+CONFIG_IP6_NF_TARGET_SYNPROXY=m
CONFIG_IP6_NF_MANGLE=m
CONFIG_IP6_NF_RAW=m
CONFIG_NF_NAT_IPV6=m
CONFIG_IP6_NF_TARGET_MASQUERADE=m
CONFIG_IP6_NF_TARGET_NPT=m
+CONFIG_NF_TABLES_BRIDGE=m
CONFIG_IP_DCCP=m
# CONFIG_IP_DCCP_CCID3 is not set
CONFIG_SCTP_COOKIE_HMAC_SHA1=y
@@ -191,10 +216,13 @@ CONFIG_RDS=m
CONFIG_RDS_TCP=m
CONFIG_L2TP=m
CONFIG_ATALK=m
+CONFIG_DNS_RESOLVER=y
CONFIG_BATMAN_ADV=m
CONFIG_BATMAN_ADV_DAT=y
+CONFIG_BATMAN_ADV_NC=y
+CONFIG_NETLINK_DIAG=m
+CONFIG_NET_MPLS_GSO=m
# CONFIG_WIRELESS is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
# CONFIG_FIRMWARE_IN_KERNEL is not set
# CONFIG_FW_LOADER_USER_HELPER is not set
@@ -206,6 +234,7 @@ CONFIG_BLK_DEV_NBD=m
CONFIG_BLK_DEV_RAM=y
CONFIG_CDROM_PKTCDVD=m
CONFIG_ATA_OVER_ETH=m
+CONFIG_DUMMY_IRQ=m
CONFIG_RAID_ATTRS=m
CONFIG_SCSI=y
CONFIG_SCSI_TGT=m
@@ -243,12 +272,14 @@ CONFIG_EQUALIZER=m
CONFIG_NET_TEAM=m
CONFIG_NET_TEAM_MODE_BROADCAST=m
CONFIG_NET_TEAM_MODE_ROUNDROBIN=m
+CONFIG_NET_TEAM_MODE_RANDOM=m
CONFIG_NET_TEAM_MODE_ACTIVEBACKUP=m
CONFIG_NET_TEAM_MODE_LOADBALANCE=m
CONFIG_VXLAN=m
CONFIG_NETCONSOLE=m
CONFIG_NETCONSOLE_DYNAMIC=y
CONFIG_VETH=m
+# CONFIG_NET_VENDOR_ARC is not set
# CONFIG_NET_CADENCE is not set
# CONFIG_NET_VENDOR_BROADCOM is not set
CONFIG_BVME6000_NET=y
@@ -257,6 +288,7 @@ CONFIG_BVME6000_NET=y
# CONFIG_NET_VENDOR_NATSEMI is not set
# CONFIG_NET_VENDOR_SEEQ is not set
# CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
CONFIG_PPP=m
CONFIG_PPP_BSDCOMP=m
@@ -294,10 +326,6 @@ CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_GENERIC=m
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_PROC_HARDWARE=y
-CONFIG_EXT2_FS=y
-CONFIG_EXT3_FS=y
-# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
-# CONFIG_EXT3_FS_XATTR is not set
CONFIG_EXT4_FS=y
CONFIG_REISERFS_FS=m
CONFIG_JFS_FS=m
@@ -334,7 +362,7 @@ CONFIG_QNX6FS_FS=m
CONFIG_SYSV_FS=m
CONFIG_UFS_FS=m
CONFIG_NFS_FS=y
-CONFIG_NFS_V4=y
+CONFIG_NFS_V4=m
CONFIG_NFS_SWAP=y
CONFIG_ROOT_NFS=y
CONFIG_NFSD=m
@@ -393,10 +421,10 @@ CONFIG_NLS_MAC_TURKISH=m
CONFIG_DLM=m
CONFIG_MAGIC_SYSRQ=y
CONFIG_ASYNC_RAID6_TEST=m
+CONFIG_TEST_STRING_HELPERS=m
CONFIG_ENCRYPTED_KEYS=m
CONFIG_CRYPTO_MANAGER=y
CONFIG_CRYPTO_USER=m
-CONFIG_CRYPTO_NULL=m
CONFIG_CRYPTO_CRYPTD=m
CONFIG_CRYPTO_TEST=m
CONFIG_CRYPTO_CCM=m
@@ -429,6 +457,8 @@ CONFIG_CRYPTO_TEA=m
CONFIG_CRYPTO_TWOFISH=m
CONFIG_CRYPTO_ZLIB=m
CONFIG_CRYPTO_LZO=m
+CONFIG_CRYPTO_LZ4=m
+CONFIG_CRYPTO_LZ4HC=m
# CONFIG_CRYPTO_ANSI_CPRNG is not set
CONFIG_CRYPTO_USER_API_HASH=m
CONFIG_CRYPTO_USER_API_SKCIPHER=m
diff --git a/arch/m68k/configs/hp300_defconfig b/arch/m68k/configs/hp300_defconfig
index ec7382d8aff..7cd9d9f456f 100644
--- a/arch/m68k/configs/hp300_defconfig
+++ b/arch/m68k/configs/hp300_defconfig
@@ -50,7 +50,6 @@ CONFIG_IP_PNP_RARP=y
CONFIG_NET_IPIP=m
CONFIG_NET_IPGRE_DEMUX=m
CONFIG_NET_IPGRE=m
-CONFIG_SYN_COOKIES=y
CONFIG_NET_IPVTI=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
@@ -61,11 +60,11 @@ CONFIG_INET_XFRM_MODE_BEET=m
# CONFIG_INET_LRO is not set
CONFIG_INET_DIAG=m
CONFIG_INET_UDP_DIAG=m
-CONFIG_IPV6_PRIVACY=y
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_VTI=m
CONFIG_IPV6_GRE=m
CONFIG_NETFILTER=y
CONFIG_NF_CONNTRACK=m
@@ -83,6 +82,17 @@ CONFIG_NF_CONNTRACK_PPTP=m
CONFIG_NF_CONNTRACK_SANE=m
CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
+CONFIG_NF_TABLES=m
+CONFIG_NFT_EXTHDR=m
+CONFIG_NFT_META=m
+CONFIG_NFT_CT=m
+CONFIG_NFT_RBTREE=m
+CONFIG_NFT_HASH=m
+CONFIG_NFT_COUNTER=m
+CONFIG_NFT_LOG=m
+CONFIG_NFT_LIMIT=m
+CONFIG_NFT_NAT=m
+CONFIG_NFT_COMPAT=m
CONFIG_NETFILTER_XT_SET=m
CONFIG_NETFILTER_XT_TARGET_CHECKSUM=m
CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
@@ -96,6 +106,7 @@ CONFIG_NETFILTER_XT_TARGET_NFLOG=m
CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
CONFIG_NETFILTER_XT_TARGET_NOTRACK=m
CONFIG_NETFILTER_XT_TARGET_TEE=m
+CONFIG_NETFILTER_XT_TARGET_TPROXY=m
CONFIG_NETFILTER_XT_TARGET_TRACE=m
CONFIG_NETFILTER_XT_TARGET_TCPMSS=m
CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP=m
@@ -128,6 +139,7 @@ CONFIG_NETFILTER_XT_MATCH_QUOTA=m
CONFIG_NETFILTER_XT_MATCH_RATEEST=m
CONFIG_NETFILTER_XT_MATCH_REALM=m
CONFIG_NETFILTER_XT_MATCH_RECENT=m
+CONFIG_NETFILTER_XT_MATCH_SOCKET=m
CONFIG_NETFILTER_XT_MATCH_STATE=m
CONFIG_NETFILTER_XT_MATCH_STATISTIC=m
CONFIG_NETFILTER_XT_MATCH_STRING=m
@@ -142,11 +154,18 @@ CONFIG_IP_SET_HASH_IP=m
CONFIG_IP_SET_HASH_IPPORT=m
CONFIG_IP_SET_HASH_IPPORTIP=m
CONFIG_IP_SET_HASH_IPPORTNET=m
+CONFIG_IP_SET_HASH_NETPORTNET=m
CONFIG_IP_SET_HASH_NET=m
+CONFIG_IP_SET_HASH_NETNET=m
CONFIG_IP_SET_HASH_NETPORT=m
CONFIG_IP_SET_HASH_NETIFACE=m
CONFIG_IP_SET_LIST_SET=m
CONFIG_NF_CONNTRACK_IPV4=m
+CONFIG_NF_TABLES_IPV4=m
+CONFIG_NFT_REJECT_IPV4=m
+CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_CHAIN_NAT_IPV4=m
+CONFIG_NF_TABLES_ARP=m
CONFIG_IP_NF_IPTABLES=m
CONFIG_IP_NF_MATCH_AH=m
CONFIG_IP_NF_MATCH_ECN=m
@@ -154,6 +173,7 @@ CONFIG_IP_NF_MATCH_RPFILTER=m
CONFIG_IP_NF_MATCH_TTL=m
CONFIG_IP_NF_FILTER=m
CONFIG_IP_NF_TARGET_REJECT=m
+CONFIG_IP_NF_TARGET_SYNPROXY=m
CONFIG_IP_NF_TARGET_ULOG=m
CONFIG_NF_NAT_IPV4=m
CONFIG_IP_NF_TARGET_MASQUERADE=m
@@ -168,6 +188,9 @@ CONFIG_IP_NF_ARPTABLES=m
CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
CONFIG_NF_CONNTRACK_IPV6=m
+CONFIG_NF_TABLES_IPV6=m
+CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_CHAIN_NAT_IPV6=m
CONFIG_IP6_NF_IPTABLES=m
CONFIG_IP6_NF_MATCH_AH=m
CONFIG_IP6_NF_MATCH_EUI64=m
@@ -181,11 +204,13 @@ CONFIG_IP6_NF_MATCH_RT=m
CONFIG_IP6_NF_TARGET_HL=m
CONFIG_IP6_NF_FILTER=m
CONFIG_IP6_NF_TARGET_REJECT=m
+CONFIG_IP6_NF_TARGET_SYNPROXY=m
CONFIG_IP6_NF_MANGLE=m
CONFIG_IP6_NF_RAW=m
CONFIG_NF_NAT_IPV6=m
CONFIG_IP6_NF_TARGET_MASQUERADE=m
CONFIG_IP6_NF_TARGET_NPT=m
+CONFIG_NF_TABLES_BRIDGE=m
CONFIG_IP_DCCP=m
# CONFIG_IP_DCCP_CCID3 is not set
CONFIG_SCTP_COOKIE_HMAC_SHA1=y
@@ -193,10 +218,13 @@ CONFIG_RDS=m
CONFIG_RDS_TCP=m
CONFIG_L2TP=m
CONFIG_ATALK=m
+CONFIG_DNS_RESOLVER=y
CONFIG_BATMAN_ADV=m
CONFIG_BATMAN_ADV_DAT=y
+CONFIG_BATMAN_ADV_NC=y
+CONFIG_NETLINK_DIAG=m
+CONFIG_NET_MPLS_GSO=m
# CONFIG_WIRELESS is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
# CONFIG_FIRMWARE_IN_KERNEL is not set
# CONFIG_FW_LOADER_USER_HELPER is not set
@@ -208,6 +236,7 @@ CONFIG_BLK_DEV_NBD=m
CONFIG_BLK_DEV_RAM=y
CONFIG_CDROM_PKTCDVD=m
CONFIG_ATA_OVER_ETH=m
+CONFIG_DUMMY_IRQ=m
CONFIG_RAID_ATTRS=m
CONFIG_SCSI=y
CONFIG_SCSI_TGT=m
@@ -244,6 +273,7 @@ CONFIG_EQUALIZER=m
CONFIG_NET_TEAM=m
CONFIG_NET_TEAM_MODE_BROADCAST=m
CONFIG_NET_TEAM_MODE_ROUNDROBIN=m
+CONFIG_NET_TEAM_MODE_RANDOM=m
CONFIG_NET_TEAM_MODE_ACTIVEBACKUP=m
CONFIG_NET_TEAM_MODE_LOADBALANCE=m
CONFIG_VXLAN=m
@@ -251,6 +281,7 @@ CONFIG_NETCONSOLE=m
CONFIG_NETCONSOLE_DYNAMIC=y
CONFIG_VETH=m
CONFIG_HPLANCE=y
+# CONFIG_NET_VENDOR_ARC is not set
# CONFIG_NET_CADENCE is not set
# CONFIG_NET_VENDOR_BROADCOM is not set
# CONFIG_NET_VENDOR_INTEL is not set
@@ -259,6 +290,7 @@ CONFIG_HPLANCE=y
# CONFIG_NET_VENDOR_NATSEMI is not set
# CONFIG_NET_VENDOR_SEEQ is not set
# CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
CONFIG_PPP=m
CONFIG_PPP_BSDCOMP=m
@@ -282,7 +314,6 @@ CONFIG_MOUSE_SERIAL=m
CONFIG_INPUT_MISC=y
CONFIG_HP_SDC_RTC=m
CONFIG_SERIO_SERPORT=m
-CONFIG_VT_HW_CONSOLE_BINDING=y
# CONFIG_LEGACY_PTYS is not set
# CONFIG_DEVKMEM is not set
# CONFIG_HW_RANDOM is not set
@@ -304,10 +335,6 @@ CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_GENERIC=m
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_PROC_HARDWARE=y
-CONFIG_EXT2_FS=y
-CONFIG_EXT3_FS=y
-# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
-# CONFIG_EXT3_FS_XATTR is not set
CONFIG_EXT4_FS=y
CONFIG_REISERFS_FS=m
CONFIG_JFS_FS=m
@@ -344,7 +371,7 @@ CONFIG_QNX6FS_FS=m
CONFIG_SYSV_FS=m
CONFIG_UFS_FS=m
CONFIG_NFS_FS=y
-CONFIG_NFS_V4=y
+CONFIG_NFS_V4=m
CONFIG_NFS_SWAP=y
CONFIG_ROOT_NFS=y
CONFIG_NFSD=m
@@ -403,10 +430,10 @@ CONFIG_NLS_MAC_TURKISH=m
CONFIG_DLM=m
CONFIG_MAGIC_SYSRQ=y
CONFIG_ASYNC_RAID6_TEST=m
+CONFIG_TEST_STRING_HELPERS=m
CONFIG_ENCRYPTED_KEYS=m
CONFIG_CRYPTO_MANAGER=y
CONFIG_CRYPTO_USER=m
-CONFIG_CRYPTO_NULL=m
CONFIG_CRYPTO_CRYPTD=m
CONFIG_CRYPTO_TEST=m
CONFIG_CRYPTO_CCM=m
@@ -439,6 +466,8 @@ CONFIG_CRYPTO_TEA=m
CONFIG_CRYPTO_TWOFISH=m
CONFIG_CRYPTO_ZLIB=m
CONFIG_CRYPTO_LZO=m
+CONFIG_CRYPTO_LZ4=m
+CONFIG_CRYPTO_LZ4HC=m
# CONFIG_CRYPTO_ANSI_CPRNG is not set
CONFIG_CRYPTO_USER_API_HASH=m
CONFIG_CRYPTO_USER_API_SKCIPHER=m
diff --git a/arch/m68k/configs/mac_defconfig b/arch/m68k/configs/mac_defconfig
index 7d46fbec704..31f5bd061d1 100644
--- a/arch/m68k/configs/mac_defconfig
+++ b/arch/m68k/configs/mac_defconfig
@@ -49,7 +49,6 @@ CONFIG_IP_PNP_RARP=y
CONFIG_NET_IPIP=m
CONFIG_NET_IPGRE_DEMUX=m
CONFIG_NET_IPGRE=m
-CONFIG_SYN_COOKIES=y
CONFIG_NET_IPVTI=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
@@ -60,11 +59,11 @@ CONFIG_INET_XFRM_MODE_BEET=m
# CONFIG_INET_LRO is not set
CONFIG_INET_DIAG=m
CONFIG_INET_UDP_DIAG=m
-CONFIG_IPV6_PRIVACY=y
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_VTI=m
CONFIG_IPV6_GRE=m
CONFIG_NETFILTER=y
CONFIG_NF_CONNTRACK=m
@@ -82,6 +81,17 @@ CONFIG_NF_CONNTRACK_PPTP=m
CONFIG_NF_CONNTRACK_SANE=m
CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
+CONFIG_NF_TABLES=m
+CONFIG_NFT_EXTHDR=m
+CONFIG_NFT_META=m
+CONFIG_NFT_CT=m
+CONFIG_NFT_RBTREE=m
+CONFIG_NFT_HASH=m
+CONFIG_NFT_COUNTER=m
+CONFIG_NFT_LOG=m
+CONFIG_NFT_LIMIT=m
+CONFIG_NFT_NAT=m
+CONFIG_NFT_COMPAT=m
CONFIG_NETFILTER_XT_SET=m
CONFIG_NETFILTER_XT_TARGET_CHECKSUM=m
CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
@@ -95,6 +105,7 @@ CONFIG_NETFILTER_XT_TARGET_NFLOG=m
CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
CONFIG_NETFILTER_XT_TARGET_NOTRACK=m
CONFIG_NETFILTER_XT_TARGET_TEE=m
+CONFIG_NETFILTER_XT_TARGET_TPROXY=m
CONFIG_NETFILTER_XT_TARGET_TRACE=m
CONFIG_NETFILTER_XT_TARGET_TCPMSS=m
CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP=m
@@ -127,6 +138,7 @@ CONFIG_NETFILTER_XT_MATCH_QUOTA=m
CONFIG_NETFILTER_XT_MATCH_RATEEST=m
CONFIG_NETFILTER_XT_MATCH_REALM=m
CONFIG_NETFILTER_XT_MATCH_RECENT=m
+CONFIG_NETFILTER_XT_MATCH_SOCKET=m
CONFIG_NETFILTER_XT_MATCH_STATE=m
CONFIG_NETFILTER_XT_MATCH_STATISTIC=m
CONFIG_NETFILTER_XT_MATCH_STRING=m
@@ -141,11 +153,18 @@ CONFIG_IP_SET_HASH_IP=m
CONFIG_IP_SET_HASH_IPPORT=m
CONFIG_IP_SET_HASH_IPPORTIP=m
CONFIG_IP_SET_HASH_IPPORTNET=m
+CONFIG_IP_SET_HASH_NETPORTNET=m
CONFIG_IP_SET_HASH_NET=m
+CONFIG_IP_SET_HASH_NETNET=m
CONFIG_IP_SET_HASH_NETPORT=m
CONFIG_IP_SET_HASH_NETIFACE=m
CONFIG_IP_SET_LIST_SET=m
CONFIG_NF_CONNTRACK_IPV4=m
+CONFIG_NF_TABLES_IPV4=m
+CONFIG_NFT_REJECT_IPV4=m
+CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_CHAIN_NAT_IPV4=m
+CONFIG_NF_TABLES_ARP=m
CONFIG_IP_NF_IPTABLES=m
CONFIG_IP_NF_MATCH_AH=m
CONFIG_IP_NF_MATCH_ECN=m
@@ -153,6 +172,7 @@ CONFIG_IP_NF_MATCH_RPFILTER=m
CONFIG_IP_NF_MATCH_TTL=m
CONFIG_IP_NF_FILTER=m
CONFIG_IP_NF_TARGET_REJECT=m
+CONFIG_IP_NF_TARGET_SYNPROXY=m
CONFIG_IP_NF_TARGET_ULOG=m
CONFIG_NF_NAT_IPV4=m
CONFIG_IP_NF_TARGET_MASQUERADE=m
@@ -167,6 +187,9 @@ CONFIG_IP_NF_ARPTABLES=m
CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
CONFIG_NF_CONNTRACK_IPV6=m
+CONFIG_NF_TABLES_IPV6=m
+CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_CHAIN_NAT_IPV6=m
CONFIG_IP6_NF_IPTABLES=m
CONFIG_IP6_NF_MATCH_AH=m
CONFIG_IP6_NF_MATCH_EUI64=m
@@ -180,11 +203,13 @@ CONFIG_IP6_NF_MATCH_RT=m
CONFIG_IP6_NF_TARGET_HL=m
CONFIG_IP6_NF_FILTER=m
CONFIG_IP6_NF_TARGET_REJECT=m
+CONFIG_IP6_NF_TARGET_SYNPROXY=m
CONFIG_IP6_NF_MANGLE=m
CONFIG_IP6_NF_RAW=m
CONFIG_NF_NAT_IPV6=m
CONFIG_IP6_NF_TARGET_MASQUERADE=m
CONFIG_IP6_NF_TARGET_NPT=m
+CONFIG_NF_TABLES_BRIDGE=m
CONFIG_IP_DCCP=m
# CONFIG_IP_DCCP_CCID3 is not set
CONFIG_SCTP_COOKIE_HMAC_SHA1=y
@@ -195,11 +220,13 @@ CONFIG_ATALK=m
CONFIG_DEV_APPLETALK=m
CONFIG_IPDDP=m
CONFIG_IPDDP_ENCAP=y
-CONFIG_IPDDP_DECAP=y
+CONFIG_DNS_RESOLVER=y
CONFIG_BATMAN_ADV=m
CONFIG_BATMAN_ADV_DAT=y
+CONFIG_BATMAN_ADV_NC=y
+CONFIG_NETLINK_DIAG=m
+CONFIG_NET_MPLS_GSO=m
# CONFIG_WIRELESS is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
# CONFIG_FIRMWARE_IN_KERNEL is not set
# CONFIG_FW_LOADER_USER_HELPER is not set
@@ -212,6 +239,7 @@ CONFIG_BLK_DEV_NBD=m
CONFIG_BLK_DEV_RAM=y
CONFIG_CDROM_PKTCDVD=m
CONFIG_ATA_OVER_ETH=m
+CONFIG_DUMMY_IRQ=m
CONFIG_IDE=y
CONFIG_IDE_GD_ATAPI=y
CONFIG_BLK_DEV_IDECD=y
@@ -261,6 +289,7 @@ CONFIG_EQUALIZER=m
CONFIG_NET_TEAM=m
CONFIG_NET_TEAM_MODE_BROADCAST=m
CONFIG_NET_TEAM_MODE_ROUNDROBIN=m
+CONFIG_NET_TEAM_MODE_RANDOM=m
CONFIG_NET_TEAM_MODE_ACTIVEBACKUP=m
CONFIG_NET_TEAM_MODE_LOADBALANCE=m
CONFIG_VXLAN=m
@@ -268,6 +297,7 @@ CONFIG_NETCONSOLE=m
CONFIG_NETCONSOLE_DYNAMIC=y
CONFIG_VETH=m
CONFIG_MACMACE=y
+# CONFIG_NET_VENDOR_ARC is not set
# CONFIG_NET_CADENCE is not set
# CONFIG_NET_VENDOR_BROADCOM is not set
CONFIG_MAC89x0=y
@@ -279,6 +309,7 @@ CONFIG_MAC8390=y
# CONFIG_NET_VENDOR_SEEQ is not set
# CONFIG_NET_VENDOR_SMSC is not set
# CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
CONFIG_PPP=m
CONFIG_PPP_BSDCOMP=m
@@ -302,7 +333,6 @@ CONFIG_MOUSE_SERIAL=m
CONFIG_INPUT_MISC=y
CONFIG_INPUT_M68K_BEEP=m
CONFIG_SERIO=m
-CONFIG_VT_HW_CONSOLE_BINDING=y
# CONFIG_LEGACY_PTYS is not set
# CONFIG_DEVKMEM is not set
CONFIG_SERIAL_PMACZILOG=y
@@ -327,10 +357,6 @@ CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_GENERIC=m
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_PROC_HARDWARE=y
-CONFIG_EXT2_FS=y
-CONFIG_EXT3_FS=y
-# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
-# CONFIG_EXT3_FS_XATTR is not set
CONFIG_EXT4_FS=y
CONFIG_REISERFS_FS=m
CONFIG_JFS_FS=m
@@ -367,7 +393,7 @@ CONFIG_QNX6FS_FS=m
CONFIG_SYSV_FS=m
CONFIG_UFS_FS=m
CONFIG_NFS_FS=y
-CONFIG_NFS_V4=y
+CONFIG_NFS_V4=m
CONFIG_NFS_SWAP=y
CONFIG_ROOT_NFS=y
CONFIG_NFSD=m
@@ -426,10 +452,11 @@ CONFIG_NLS_MAC_TURKISH=m
CONFIG_DLM=m
CONFIG_MAGIC_SYSRQ=y
CONFIG_ASYNC_RAID6_TEST=m
+CONFIG_TEST_STRING_HELPERS=m
+CONFIG_EARLY_PRINTK=y
CONFIG_ENCRYPTED_KEYS=m
CONFIG_CRYPTO_MANAGER=y
CONFIG_CRYPTO_USER=m
-CONFIG_CRYPTO_NULL=m
CONFIG_CRYPTO_CRYPTD=m
CONFIG_CRYPTO_TEST=m
CONFIG_CRYPTO_CCM=m
@@ -462,6 +489,8 @@ CONFIG_CRYPTO_TEA=m
CONFIG_CRYPTO_TWOFISH=m
CONFIG_CRYPTO_ZLIB=m
CONFIG_CRYPTO_LZO=m
+CONFIG_CRYPTO_LZ4=m
+CONFIG_CRYPTO_LZ4HC=m
# CONFIG_CRYPTO_ANSI_CPRNG is not set
CONFIG_CRYPTO_USER_API_HASH=m
CONFIG_CRYPTO_USER_API_SKCIPHER=m
diff --git a/arch/m68k/configs/multi_defconfig b/arch/m68k/configs/multi_defconfig
index b17a8837f0e..4e5adff326e 100644
--- a/arch/m68k/configs/multi_defconfig
+++ b/arch/m68k/configs/multi_defconfig
@@ -58,7 +58,6 @@ CONFIG_IP_PNP_RARP=y
CONFIG_NET_IPIP=m
CONFIG_NET_IPGRE_DEMUX=m
CONFIG_NET_IPGRE=m
-CONFIG_SYN_COOKIES=y
CONFIG_NET_IPVTI=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
@@ -69,11 +68,11 @@ CONFIG_INET_XFRM_MODE_BEET=m
# CONFIG_INET_LRO is not set
CONFIG_INET_DIAG=m
CONFIG_INET_UDP_DIAG=m
-CONFIG_IPV6_PRIVACY=y
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_VTI=m
CONFIG_IPV6_GRE=m
CONFIG_NETFILTER=y
CONFIG_NF_CONNTRACK=m
@@ -91,6 +90,17 @@ CONFIG_NF_CONNTRACK_PPTP=m
CONFIG_NF_CONNTRACK_SANE=m
CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
+CONFIG_NF_TABLES=m
+CONFIG_NFT_EXTHDR=m
+CONFIG_NFT_META=m
+CONFIG_NFT_CT=m
+CONFIG_NFT_RBTREE=m
+CONFIG_NFT_HASH=m
+CONFIG_NFT_COUNTER=m
+CONFIG_NFT_LOG=m
+CONFIG_NFT_LIMIT=m
+CONFIG_NFT_NAT=m
+CONFIG_NFT_COMPAT=m
CONFIG_NETFILTER_XT_SET=m
CONFIG_NETFILTER_XT_TARGET_CHECKSUM=m
CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
@@ -104,6 +114,7 @@ CONFIG_NETFILTER_XT_TARGET_NFLOG=m
CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
CONFIG_NETFILTER_XT_TARGET_NOTRACK=m
CONFIG_NETFILTER_XT_TARGET_TEE=m
+CONFIG_NETFILTER_XT_TARGET_TPROXY=m
CONFIG_NETFILTER_XT_TARGET_TRACE=m
CONFIG_NETFILTER_XT_TARGET_TCPMSS=m
CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP=m
@@ -136,6 +147,7 @@ CONFIG_NETFILTER_XT_MATCH_QUOTA=m
CONFIG_NETFILTER_XT_MATCH_RATEEST=m
CONFIG_NETFILTER_XT_MATCH_REALM=m
CONFIG_NETFILTER_XT_MATCH_RECENT=m
+CONFIG_NETFILTER_XT_MATCH_SOCKET=m
CONFIG_NETFILTER_XT_MATCH_STATE=m
CONFIG_NETFILTER_XT_MATCH_STATISTIC=m
CONFIG_NETFILTER_XT_MATCH_STRING=m
@@ -150,11 +162,18 @@ CONFIG_IP_SET_HASH_IP=m
CONFIG_IP_SET_HASH_IPPORT=m
CONFIG_IP_SET_HASH_IPPORTIP=m
CONFIG_IP_SET_HASH_IPPORTNET=m
+CONFIG_IP_SET_HASH_NETPORTNET=m
CONFIG_IP_SET_HASH_NET=m
+CONFIG_IP_SET_HASH_NETNET=m
CONFIG_IP_SET_HASH_NETPORT=m
CONFIG_IP_SET_HASH_NETIFACE=m
CONFIG_IP_SET_LIST_SET=m
CONFIG_NF_CONNTRACK_IPV4=m
+CONFIG_NF_TABLES_IPV4=m
+CONFIG_NFT_REJECT_IPV4=m
+CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_CHAIN_NAT_IPV4=m
+CONFIG_NF_TABLES_ARP=m
CONFIG_IP_NF_IPTABLES=m
CONFIG_IP_NF_MATCH_AH=m
CONFIG_IP_NF_MATCH_ECN=m
@@ -162,6 +181,7 @@ CONFIG_IP_NF_MATCH_RPFILTER=m
CONFIG_IP_NF_MATCH_TTL=m
CONFIG_IP_NF_FILTER=m
CONFIG_IP_NF_TARGET_REJECT=m
+CONFIG_IP_NF_TARGET_SYNPROXY=m
CONFIG_IP_NF_TARGET_ULOG=m
CONFIG_NF_NAT_IPV4=m
CONFIG_IP_NF_TARGET_MASQUERADE=m
@@ -176,6 +196,9 @@ CONFIG_IP_NF_ARPTABLES=m
CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
CONFIG_NF_CONNTRACK_IPV6=m
+CONFIG_NF_TABLES_IPV6=m
+CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_CHAIN_NAT_IPV6=m
CONFIG_IP6_NF_IPTABLES=m
CONFIG_IP6_NF_MATCH_AH=m
CONFIG_IP6_NF_MATCH_EUI64=m
@@ -189,11 +212,13 @@ CONFIG_IP6_NF_MATCH_RT=m
CONFIG_IP6_NF_TARGET_HL=m
CONFIG_IP6_NF_FILTER=m
CONFIG_IP6_NF_TARGET_REJECT=m
+CONFIG_IP6_NF_TARGET_SYNPROXY=m
CONFIG_IP6_NF_MANGLE=m
CONFIG_IP6_NF_RAW=m
CONFIG_NF_NAT_IPV6=m
CONFIG_IP6_NF_TARGET_MASQUERADE=m
CONFIG_IP6_NF_TARGET_NPT=m
+CONFIG_NF_TABLES_BRIDGE=m
CONFIG_IP_DCCP=m
# CONFIG_IP_DCCP_CCID3 is not set
CONFIG_SCTP_COOKIE_HMAC_SHA1=y
@@ -204,11 +229,13 @@ CONFIG_ATALK=m
CONFIG_DEV_APPLETALK=m
CONFIG_IPDDP=m
CONFIG_IPDDP_ENCAP=y
-CONFIG_IPDDP_DECAP=y
+CONFIG_DNS_RESOLVER=y
CONFIG_BATMAN_ADV=m
CONFIG_BATMAN_ADV_DAT=y
+CONFIG_BATMAN_ADV_NC=y
+CONFIG_NETLINK_DIAG=m
+CONFIG_NET_MPLS_GSO=m
# CONFIG_WIRELESS is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
# CONFIG_FIRMWARE_IN_KERNEL is not set
# CONFIG_FW_LOADER_USER_HELPER is not set
@@ -230,6 +257,7 @@ CONFIG_BLK_DEV_NBD=m
CONFIG_BLK_DEV_RAM=y
CONFIG_CDROM_PKTCDVD=m
CONFIG_ATA_OVER_ETH=m
+CONFIG_DUMMY_IRQ=m
CONFIG_IDE=y
CONFIG_IDE_GD_ATAPI=y
CONFIG_BLK_DEV_IDECD=y
@@ -290,10 +318,10 @@ CONFIG_MAC_EMUMOUSEBTN=y
CONFIG_NETDEVICES=y
CONFIG_DUMMY=m
CONFIG_EQUALIZER=m
-CONFIG_MII=y
CONFIG_NET_TEAM=m
CONFIG_NET_TEAM_MODE_BROADCAST=m
CONFIG_NET_TEAM_MODE_ROUNDROBIN=m
+CONFIG_NET_TEAM_MODE_RANDOM=m
CONFIG_NET_TEAM_MODE_ACTIVEBACKUP=m
CONFIG_NET_TEAM_MODE_LOADBALANCE=m
CONFIG_VXLAN=m
@@ -308,10 +336,10 @@ CONFIG_HPLANCE=y
CONFIG_MVME147_NET=y
CONFIG_SUN3LANCE=y
CONFIG_MACMACE=y
+# CONFIG_NET_VENDOR_ARC is not set
# CONFIG_NET_CADENCE is not set
# CONFIG_NET_VENDOR_BROADCOM is not set
CONFIG_MAC89x0=y
-# CONFIG_NET_VENDOR_FUJITSU is not set
# CONFIG_NET_VENDOR_HP is not set
CONFIG_BVME6000_NET=y
CONFIG_MVME16x_NET=y
@@ -325,6 +353,7 @@ CONFIG_APNE=y
CONFIG_ZORRO8390=y
# CONFIG_NET_VENDOR_SEEQ is not set
# CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
CONFIG_PLIP=m
CONFIG_PPP=m
@@ -357,7 +386,6 @@ CONFIG_INPUT_MISC=y
CONFIG_INPUT_M68K_BEEP=m
CONFIG_HP_SDC_RTC=m
CONFIG_SERIO_Q40KBD=y
-CONFIG_VT_HW_CONSOLE_BINDING=y
# CONFIG_LEGACY_PTYS is not set
# CONFIG_DEVKMEM is not set
CONFIG_SERIAL_PMACZILOG=y
@@ -405,10 +433,6 @@ CONFIG_NFETH=y
CONFIG_ATARI_DSP56K=m
CONFIG_AMIGA_BUILTIN_SERIAL=y
CONFIG_SERIAL_CONSOLE=y
-CONFIG_EXT2_FS=y
-CONFIG_EXT3_FS=y
-# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
-# CONFIG_EXT3_FS_XATTR is not set
CONFIG_EXT4_FS=y
CONFIG_REISERFS_FS=m
CONFIG_JFS_FS=m
@@ -445,7 +469,7 @@ CONFIG_QNX6FS_FS=m
CONFIG_SYSV_FS=m
CONFIG_UFS_FS=m
CONFIG_NFS_FS=y
-CONFIG_NFS_V4=y
+CONFIG_NFS_V4=m
CONFIG_NFS_SWAP=y
CONFIG_ROOT_NFS=y
CONFIG_NFSD=m
@@ -504,10 +528,11 @@ CONFIG_NLS_MAC_TURKISH=m
CONFIG_DLM=m
CONFIG_MAGIC_SYSRQ=y
CONFIG_ASYNC_RAID6_TEST=m
+CONFIG_TEST_STRING_HELPERS=m
+CONFIG_EARLY_PRINTK=y
CONFIG_ENCRYPTED_KEYS=m
CONFIG_CRYPTO_MANAGER=y
CONFIG_CRYPTO_USER=m
-CONFIG_CRYPTO_NULL=m
CONFIG_CRYPTO_CRYPTD=m
CONFIG_CRYPTO_TEST=m
CONFIG_CRYPTO_CCM=m
@@ -540,6 +565,8 @@ CONFIG_CRYPTO_TEA=m
CONFIG_CRYPTO_TWOFISH=m
CONFIG_CRYPTO_ZLIB=m
CONFIG_CRYPTO_LZO=m
+CONFIG_CRYPTO_LZ4=m
+CONFIG_CRYPTO_LZ4HC=m
# CONFIG_CRYPTO_ANSI_CPRNG is not set
CONFIG_CRYPTO_USER_API_HASH=m
CONFIG_CRYPTO_USER_API_SKCIPHER=m
diff --git a/arch/m68k/configs/mvme147_defconfig b/arch/m68k/configs/mvme147_defconfig
index 5586c6529fc..02cdbac5565 100644
--- a/arch/m68k/configs/mvme147_defconfig
+++ b/arch/m68k/configs/mvme147_defconfig
@@ -47,7 +47,6 @@ CONFIG_IP_PNP_RARP=y
CONFIG_NET_IPIP=m
CONFIG_NET_IPGRE_DEMUX=m
CONFIG_NET_IPGRE=m
-CONFIG_SYN_COOKIES=y
CONFIG_NET_IPVTI=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
@@ -58,11 +57,11 @@ CONFIG_INET_XFRM_MODE_BEET=m
# CONFIG_INET_LRO is not set
CONFIG_INET_DIAG=m
CONFIG_INET_UDP_DIAG=m
-CONFIG_IPV6_PRIVACY=y
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_VTI=m
CONFIG_IPV6_GRE=m
CONFIG_NETFILTER=y
CONFIG_NF_CONNTRACK=m
@@ -80,6 +79,17 @@ CONFIG_NF_CONNTRACK_PPTP=m
CONFIG_NF_CONNTRACK_SANE=m
CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
+CONFIG_NF_TABLES=m
+CONFIG_NFT_EXTHDR=m
+CONFIG_NFT_META=m
+CONFIG_NFT_CT=m
+CONFIG_NFT_RBTREE=m
+CONFIG_NFT_HASH=m
+CONFIG_NFT_COUNTER=m
+CONFIG_NFT_LOG=m
+CONFIG_NFT_LIMIT=m
+CONFIG_NFT_NAT=m
+CONFIG_NFT_COMPAT=m
CONFIG_NETFILTER_XT_SET=m
CONFIG_NETFILTER_XT_TARGET_CHECKSUM=m
CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
@@ -93,6 +103,7 @@ CONFIG_NETFILTER_XT_TARGET_NFLOG=m
CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
CONFIG_NETFILTER_XT_TARGET_NOTRACK=m
CONFIG_NETFILTER_XT_TARGET_TEE=m
+CONFIG_NETFILTER_XT_TARGET_TPROXY=m
CONFIG_NETFILTER_XT_TARGET_TRACE=m
CONFIG_NETFILTER_XT_TARGET_TCPMSS=m
CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP=m
@@ -125,6 +136,7 @@ CONFIG_NETFILTER_XT_MATCH_QUOTA=m
CONFIG_NETFILTER_XT_MATCH_RATEEST=m
CONFIG_NETFILTER_XT_MATCH_REALM=m
CONFIG_NETFILTER_XT_MATCH_RECENT=m
+CONFIG_NETFILTER_XT_MATCH_SOCKET=m
CONFIG_NETFILTER_XT_MATCH_STATE=m
CONFIG_NETFILTER_XT_MATCH_STATISTIC=m
CONFIG_NETFILTER_XT_MATCH_STRING=m
@@ -139,11 +151,18 @@ CONFIG_IP_SET_HASH_IP=m
CONFIG_IP_SET_HASH_IPPORT=m
CONFIG_IP_SET_HASH_IPPORTIP=m
CONFIG_IP_SET_HASH_IPPORTNET=m
+CONFIG_IP_SET_HASH_NETPORTNET=m
CONFIG_IP_SET_HASH_NET=m
+CONFIG_IP_SET_HASH_NETNET=m
CONFIG_IP_SET_HASH_NETPORT=m
CONFIG_IP_SET_HASH_NETIFACE=m
CONFIG_IP_SET_LIST_SET=m
CONFIG_NF_CONNTRACK_IPV4=m
+CONFIG_NF_TABLES_IPV4=m
+CONFIG_NFT_REJECT_IPV4=m
+CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_CHAIN_NAT_IPV4=m
+CONFIG_NF_TABLES_ARP=m
CONFIG_IP_NF_IPTABLES=m
CONFIG_IP_NF_MATCH_AH=m
CONFIG_IP_NF_MATCH_ECN=m
@@ -151,6 +170,7 @@ CONFIG_IP_NF_MATCH_RPFILTER=m
CONFIG_IP_NF_MATCH_TTL=m
CONFIG_IP_NF_FILTER=m
CONFIG_IP_NF_TARGET_REJECT=m
+CONFIG_IP_NF_TARGET_SYNPROXY=m
CONFIG_IP_NF_TARGET_ULOG=m
CONFIG_NF_NAT_IPV4=m
CONFIG_IP_NF_TARGET_MASQUERADE=m
@@ -165,6 +185,9 @@ CONFIG_IP_NF_ARPTABLES=m
CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
CONFIG_NF_CONNTRACK_IPV6=m
+CONFIG_NF_TABLES_IPV6=m
+CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_CHAIN_NAT_IPV6=m
CONFIG_IP6_NF_IPTABLES=m
CONFIG_IP6_NF_MATCH_AH=m
CONFIG_IP6_NF_MATCH_EUI64=m
@@ -178,11 +201,13 @@ CONFIG_IP6_NF_MATCH_RT=m
CONFIG_IP6_NF_TARGET_HL=m
CONFIG_IP6_NF_FILTER=m
CONFIG_IP6_NF_TARGET_REJECT=m
+CONFIG_IP6_NF_TARGET_SYNPROXY=m
CONFIG_IP6_NF_MANGLE=m
CONFIG_IP6_NF_RAW=m
CONFIG_NF_NAT_IPV6=m
CONFIG_IP6_NF_TARGET_MASQUERADE=m
CONFIG_IP6_NF_TARGET_NPT=m
+CONFIG_NF_TABLES_BRIDGE=m
CONFIG_IP_DCCP=m
# CONFIG_IP_DCCP_CCID3 is not set
CONFIG_SCTP_COOKIE_HMAC_SHA1=y
@@ -190,10 +215,13 @@ CONFIG_RDS=m
CONFIG_RDS_TCP=m
CONFIG_L2TP=m
CONFIG_ATALK=m
+CONFIG_DNS_RESOLVER=y
CONFIG_BATMAN_ADV=m
CONFIG_BATMAN_ADV_DAT=y
+CONFIG_BATMAN_ADV_NC=y
+CONFIG_NETLINK_DIAG=m
+CONFIG_NET_MPLS_GSO=m
# CONFIG_WIRELESS is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
# CONFIG_FIRMWARE_IN_KERNEL is not set
# CONFIG_FW_LOADER_USER_HELPER is not set
@@ -205,6 +233,7 @@ CONFIG_BLK_DEV_NBD=m
CONFIG_BLK_DEV_RAM=y
CONFIG_CDROM_PKTCDVD=m
CONFIG_ATA_OVER_ETH=m
+CONFIG_DUMMY_IRQ=m
CONFIG_RAID_ATTRS=m
CONFIG_SCSI=y
CONFIG_SCSI_TGT=m
@@ -242,6 +271,7 @@ CONFIG_EQUALIZER=m
CONFIG_NET_TEAM=m
CONFIG_NET_TEAM_MODE_BROADCAST=m
CONFIG_NET_TEAM_MODE_ROUNDROBIN=m
+CONFIG_NET_TEAM_MODE_RANDOM=m
CONFIG_NET_TEAM_MODE_ACTIVEBACKUP=m
CONFIG_NET_TEAM_MODE_LOADBALANCE=m
CONFIG_VXLAN=m
@@ -249,6 +279,7 @@ CONFIG_NETCONSOLE=m
CONFIG_NETCONSOLE_DYNAMIC=y
CONFIG_VETH=m
CONFIG_MVME147_NET=y
+# CONFIG_NET_VENDOR_ARC is not set
# CONFIG_NET_CADENCE is not set
# CONFIG_NET_VENDOR_BROADCOM is not set
# CONFIG_NET_VENDOR_INTEL is not set
@@ -257,6 +288,7 @@ CONFIG_MVME147_NET=y
# CONFIG_NET_VENDOR_NATSEMI is not set
# CONFIG_NET_VENDOR_SEEQ is not set
# CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
CONFIG_PPP=m
CONFIG_PPP_BSDCOMP=m
@@ -294,10 +326,6 @@ CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_GENERIC=m
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_PROC_HARDWARE=y
-CONFIG_EXT2_FS=y
-CONFIG_EXT3_FS=y
-# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
-# CONFIG_EXT3_FS_XATTR is not set
CONFIG_EXT4_FS=y
CONFIG_REISERFS_FS=m
CONFIG_JFS_FS=m
@@ -334,7 +362,7 @@ CONFIG_QNX6FS_FS=m
CONFIG_SYSV_FS=m
CONFIG_UFS_FS=m
CONFIG_NFS_FS=y
-CONFIG_NFS_V4=y
+CONFIG_NFS_V4=m
CONFIG_NFS_SWAP=y
CONFIG_ROOT_NFS=y
CONFIG_NFSD=m
@@ -393,10 +421,10 @@ CONFIG_NLS_MAC_TURKISH=m
CONFIG_DLM=m
CONFIG_MAGIC_SYSRQ=y
CONFIG_ASYNC_RAID6_TEST=m
+CONFIG_TEST_STRING_HELPERS=m
CONFIG_ENCRYPTED_KEYS=m
CONFIG_CRYPTO_MANAGER=y
CONFIG_CRYPTO_USER=m
-CONFIG_CRYPTO_NULL=m
CONFIG_CRYPTO_CRYPTD=m
CONFIG_CRYPTO_TEST=m
CONFIG_CRYPTO_CCM=m
@@ -429,6 +457,8 @@ CONFIG_CRYPTO_TEA=m
CONFIG_CRYPTO_TWOFISH=m
CONFIG_CRYPTO_ZLIB=m
CONFIG_CRYPTO_LZO=m
+CONFIG_CRYPTO_LZ4=m
+CONFIG_CRYPTO_LZ4HC=m
# CONFIG_CRYPTO_ANSI_CPRNG is not set
CONFIG_CRYPTO_USER_API_HASH=m
CONFIG_CRYPTO_USER_API_SKCIPHER=m
diff --git a/arch/m68k/configs/mvme16x_defconfig b/arch/m68k/configs/mvme16x_defconfig
index e5e8262bbac..05a990a9dbd 100644
--- a/arch/m68k/configs/mvme16x_defconfig
+++ b/arch/m68k/configs/mvme16x_defconfig
@@ -48,7 +48,6 @@ CONFIG_IP_PNP_RARP=y
CONFIG_NET_IPIP=m
CONFIG_NET_IPGRE_DEMUX=m
CONFIG_NET_IPGRE=m
-CONFIG_SYN_COOKIES=y
CONFIG_NET_IPVTI=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
@@ -59,11 +58,11 @@ CONFIG_INET_XFRM_MODE_BEET=m
# CONFIG_INET_LRO is not set
CONFIG_INET_DIAG=m
CONFIG_INET_UDP_DIAG=m
-CONFIG_IPV6_PRIVACY=y
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_VTI=m
CONFIG_IPV6_GRE=m
CONFIG_NETFILTER=y
CONFIG_NF_CONNTRACK=m
@@ -81,6 +80,17 @@ CONFIG_NF_CONNTRACK_PPTP=m
CONFIG_NF_CONNTRACK_SANE=m
CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
+CONFIG_NF_TABLES=m
+CONFIG_NFT_EXTHDR=m
+CONFIG_NFT_META=m
+CONFIG_NFT_CT=m
+CONFIG_NFT_RBTREE=m
+CONFIG_NFT_HASH=m
+CONFIG_NFT_COUNTER=m
+CONFIG_NFT_LOG=m
+CONFIG_NFT_LIMIT=m
+CONFIG_NFT_NAT=m
+CONFIG_NFT_COMPAT=m
CONFIG_NETFILTER_XT_SET=m
CONFIG_NETFILTER_XT_TARGET_CHECKSUM=m
CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
@@ -94,6 +104,7 @@ CONFIG_NETFILTER_XT_TARGET_NFLOG=m
CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
CONFIG_NETFILTER_XT_TARGET_NOTRACK=m
CONFIG_NETFILTER_XT_TARGET_TEE=m
+CONFIG_NETFILTER_XT_TARGET_TPROXY=m
CONFIG_NETFILTER_XT_TARGET_TRACE=m
CONFIG_NETFILTER_XT_TARGET_TCPMSS=m
CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP=m
@@ -126,6 +137,7 @@ CONFIG_NETFILTER_XT_MATCH_QUOTA=m
CONFIG_NETFILTER_XT_MATCH_RATEEST=m
CONFIG_NETFILTER_XT_MATCH_REALM=m
CONFIG_NETFILTER_XT_MATCH_RECENT=m
+CONFIG_NETFILTER_XT_MATCH_SOCKET=m
CONFIG_NETFILTER_XT_MATCH_STATE=m
CONFIG_NETFILTER_XT_MATCH_STATISTIC=m
CONFIG_NETFILTER_XT_MATCH_STRING=m
@@ -140,11 +152,18 @@ CONFIG_IP_SET_HASH_IP=m
CONFIG_IP_SET_HASH_IPPORT=m
CONFIG_IP_SET_HASH_IPPORTIP=m
CONFIG_IP_SET_HASH_IPPORTNET=m
+CONFIG_IP_SET_HASH_NETPORTNET=m
CONFIG_IP_SET_HASH_NET=m
+CONFIG_IP_SET_HASH_NETNET=m
CONFIG_IP_SET_HASH_NETPORT=m
CONFIG_IP_SET_HASH_NETIFACE=m
CONFIG_IP_SET_LIST_SET=m
CONFIG_NF_CONNTRACK_IPV4=m
+CONFIG_NF_TABLES_IPV4=m
+CONFIG_NFT_REJECT_IPV4=m
+CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_CHAIN_NAT_IPV4=m
+CONFIG_NF_TABLES_ARP=m
CONFIG_IP_NF_IPTABLES=m
CONFIG_IP_NF_MATCH_AH=m
CONFIG_IP_NF_MATCH_ECN=m
@@ -152,6 +171,7 @@ CONFIG_IP_NF_MATCH_RPFILTER=m
CONFIG_IP_NF_MATCH_TTL=m
CONFIG_IP_NF_FILTER=m
CONFIG_IP_NF_TARGET_REJECT=m
+CONFIG_IP_NF_TARGET_SYNPROXY=m
CONFIG_IP_NF_TARGET_ULOG=m
CONFIG_NF_NAT_IPV4=m
CONFIG_IP_NF_TARGET_MASQUERADE=m
@@ -166,6 +186,9 @@ CONFIG_IP_NF_ARPTABLES=m
CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
CONFIG_NF_CONNTRACK_IPV6=m
+CONFIG_NF_TABLES_IPV6=m
+CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_CHAIN_NAT_IPV6=m
CONFIG_IP6_NF_IPTABLES=m
CONFIG_IP6_NF_MATCH_AH=m
CONFIG_IP6_NF_MATCH_EUI64=m
@@ -179,11 +202,13 @@ CONFIG_IP6_NF_MATCH_RT=m
CONFIG_IP6_NF_TARGET_HL=m
CONFIG_IP6_NF_FILTER=m
CONFIG_IP6_NF_TARGET_REJECT=m
+CONFIG_IP6_NF_TARGET_SYNPROXY=m
CONFIG_IP6_NF_MANGLE=m
CONFIG_IP6_NF_RAW=m
CONFIG_NF_NAT_IPV6=m
CONFIG_IP6_NF_TARGET_MASQUERADE=m
CONFIG_IP6_NF_TARGET_NPT=m
+CONFIG_NF_TABLES_BRIDGE=m
CONFIG_IP_DCCP=m
# CONFIG_IP_DCCP_CCID3 is not set
CONFIG_SCTP_COOKIE_HMAC_SHA1=y
@@ -191,10 +216,13 @@ CONFIG_RDS=m
CONFIG_RDS_TCP=m
CONFIG_L2TP=m
CONFIG_ATALK=m
+CONFIG_DNS_RESOLVER=y
CONFIG_BATMAN_ADV=m
CONFIG_BATMAN_ADV_DAT=y
+CONFIG_BATMAN_ADV_NC=y
+CONFIG_NETLINK_DIAG=m
+CONFIG_NET_MPLS_GSO=m
# CONFIG_WIRELESS is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
# CONFIG_FIRMWARE_IN_KERNEL is not set
# CONFIG_FW_LOADER_USER_HELPER is not set
@@ -206,6 +234,7 @@ CONFIG_BLK_DEV_NBD=m
CONFIG_BLK_DEV_RAM=y
CONFIG_CDROM_PKTCDVD=m
CONFIG_ATA_OVER_ETH=m
+CONFIG_DUMMY_IRQ=m
CONFIG_RAID_ATTRS=m
CONFIG_SCSI=y
CONFIG_SCSI_TGT=m
@@ -243,12 +272,14 @@ CONFIG_EQUALIZER=m
CONFIG_NET_TEAM=m
CONFIG_NET_TEAM_MODE_BROADCAST=m
CONFIG_NET_TEAM_MODE_ROUNDROBIN=m
+CONFIG_NET_TEAM_MODE_RANDOM=m
CONFIG_NET_TEAM_MODE_ACTIVEBACKUP=m
CONFIG_NET_TEAM_MODE_LOADBALANCE=m
CONFIG_VXLAN=m
CONFIG_NETCONSOLE=m
CONFIG_NETCONSOLE_DYNAMIC=y
CONFIG_VETH=m
+# CONFIG_NET_VENDOR_ARC is not set
# CONFIG_NET_CADENCE is not set
# CONFIG_NET_VENDOR_BROADCOM is not set
CONFIG_MVME16x_NET=y
@@ -257,6 +288,7 @@ CONFIG_MVME16x_NET=y
# CONFIG_NET_VENDOR_NATSEMI is not set
# CONFIG_NET_VENDOR_SEEQ is not set
# CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
CONFIG_PPP=m
CONFIG_PPP_BSDCOMP=m
@@ -294,10 +326,6 @@ CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_GENERIC=m
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_PROC_HARDWARE=y
-CONFIG_EXT2_FS=y
-CONFIG_EXT3_FS=y
-# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
-# CONFIG_EXT3_FS_XATTR is not set
CONFIG_EXT4_FS=y
CONFIG_REISERFS_FS=m
CONFIG_JFS_FS=m
@@ -334,7 +362,7 @@ CONFIG_QNX6FS_FS=m
CONFIG_SYSV_FS=m
CONFIG_UFS_FS=m
CONFIG_NFS_FS=y
-CONFIG_NFS_V4=y
+CONFIG_NFS_V4=m
CONFIG_NFS_SWAP=y
CONFIG_ROOT_NFS=y
CONFIG_NFSD=m
@@ -393,10 +421,11 @@ CONFIG_NLS_MAC_TURKISH=m
CONFIG_DLM=m
CONFIG_MAGIC_SYSRQ=y
CONFIG_ASYNC_RAID6_TEST=m
+CONFIG_TEST_STRING_HELPERS=m
+CONFIG_EARLY_PRINTK=y
CONFIG_ENCRYPTED_KEYS=m
CONFIG_CRYPTO_MANAGER=y
CONFIG_CRYPTO_USER=m
-CONFIG_CRYPTO_NULL=m
CONFIG_CRYPTO_CRYPTD=m
CONFIG_CRYPTO_TEST=m
CONFIG_CRYPTO_CCM=m
@@ -429,6 +458,8 @@ CONFIG_CRYPTO_TEA=m
CONFIG_CRYPTO_TWOFISH=m
CONFIG_CRYPTO_ZLIB=m
CONFIG_CRYPTO_LZO=m
+CONFIG_CRYPTO_LZ4=m
+CONFIG_CRYPTO_LZ4HC=m
# CONFIG_CRYPTO_ANSI_CPRNG is not set
CONFIG_CRYPTO_USER_API_HASH=m
CONFIG_CRYPTO_USER_API_SKCIPHER=m
diff --git a/arch/m68k/configs/q40_defconfig b/arch/m68k/configs/q40_defconfig
index be1496ed9b6..568e2a98f97 100644
--- a/arch/m68k/configs/q40_defconfig
+++ b/arch/m68k/configs/q40_defconfig
@@ -48,7 +48,6 @@ CONFIG_IP_PNP_RARP=y
CONFIG_NET_IPIP=m
CONFIG_NET_IPGRE_DEMUX=m
CONFIG_NET_IPGRE=m
-CONFIG_SYN_COOKIES=y
CONFIG_NET_IPVTI=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
@@ -59,11 +58,11 @@ CONFIG_INET_XFRM_MODE_BEET=m
# CONFIG_INET_LRO is not set
CONFIG_INET_DIAG=m
CONFIG_INET_UDP_DIAG=m
-CONFIG_IPV6_PRIVACY=y
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_VTI=m
CONFIG_IPV6_GRE=m
CONFIG_NETFILTER=y
CONFIG_NF_CONNTRACK=m
@@ -81,6 +80,17 @@ CONFIG_NF_CONNTRACK_PPTP=m
CONFIG_NF_CONNTRACK_SANE=m
CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
+CONFIG_NF_TABLES=m
+CONFIG_NFT_EXTHDR=m
+CONFIG_NFT_META=m
+CONFIG_NFT_CT=m
+CONFIG_NFT_RBTREE=m
+CONFIG_NFT_HASH=m
+CONFIG_NFT_COUNTER=m
+CONFIG_NFT_LOG=m
+CONFIG_NFT_LIMIT=m
+CONFIG_NFT_NAT=m
+CONFIG_NFT_COMPAT=m
CONFIG_NETFILTER_XT_SET=m
CONFIG_NETFILTER_XT_TARGET_CHECKSUM=m
CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
@@ -94,6 +104,7 @@ CONFIG_NETFILTER_XT_TARGET_NFLOG=m
CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
CONFIG_NETFILTER_XT_TARGET_NOTRACK=m
CONFIG_NETFILTER_XT_TARGET_TEE=m
+CONFIG_NETFILTER_XT_TARGET_TPROXY=m
CONFIG_NETFILTER_XT_TARGET_TRACE=m
CONFIG_NETFILTER_XT_TARGET_TCPMSS=m
CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP=m
@@ -126,6 +137,7 @@ CONFIG_NETFILTER_XT_MATCH_QUOTA=m
CONFIG_NETFILTER_XT_MATCH_RATEEST=m
CONFIG_NETFILTER_XT_MATCH_REALM=m
CONFIG_NETFILTER_XT_MATCH_RECENT=m
+CONFIG_NETFILTER_XT_MATCH_SOCKET=m
CONFIG_NETFILTER_XT_MATCH_STATE=m
CONFIG_NETFILTER_XT_MATCH_STATISTIC=m
CONFIG_NETFILTER_XT_MATCH_STRING=m
@@ -140,11 +152,18 @@ CONFIG_IP_SET_HASH_IP=m
CONFIG_IP_SET_HASH_IPPORT=m
CONFIG_IP_SET_HASH_IPPORTIP=m
CONFIG_IP_SET_HASH_IPPORTNET=m
+CONFIG_IP_SET_HASH_NETPORTNET=m
CONFIG_IP_SET_HASH_NET=m
+CONFIG_IP_SET_HASH_NETNET=m
CONFIG_IP_SET_HASH_NETPORT=m
CONFIG_IP_SET_HASH_NETIFACE=m
CONFIG_IP_SET_LIST_SET=m
CONFIG_NF_CONNTRACK_IPV4=m
+CONFIG_NF_TABLES_IPV4=m
+CONFIG_NFT_REJECT_IPV4=m
+CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_CHAIN_NAT_IPV4=m
+CONFIG_NF_TABLES_ARP=m
CONFIG_IP_NF_IPTABLES=m
CONFIG_IP_NF_MATCH_AH=m
CONFIG_IP_NF_MATCH_ECN=m
@@ -152,6 +171,7 @@ CONFIG_IP_NF_MATCH_RPFILTER=m
CONFIG_IP_NF_MATCH_TTL=m
CONFIG_IP_NF_FILTER=m
CONFIG_IP_NF_TARGET_REJECT=m
+CONFIG_IP_NF_TARGET_SYNPROXY=m
CONFIG_IP_NF_TARGET_ULOG=m
CONFIG_NF_NAT_IPV4=m
CONFIG_IP_NF_TARGET_MASQUERADE=m
@@ -166,6 +186,9 @@ CONFIG_IP_NF_ARPTABLES=m
CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
CONFIG_NF_CONNTRACK_IPV6=m
+CONFIG_NF_TABLES_IPV6=m
+CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_CHAIN_NAT_IPV6=m
CONFIG_IP6_NF_IPTABLES=m
CONFIG_IP6_NF_MATCH_AH=m
CONFIG_IP6_NF_MATCH_EUI64=m
@@ -179,11 +202,13 @@ CONFIG_IP6_NF_MATCH_RT=m
CONFIG_IP6_NF_TARGET_HL=m
CONFIG_IP6_NF_FILTER=m
CONFIG_IP6_NF_TARGET_REJECT=m
+CONFIG_IP6_NF_TARGET_SYNPROXY=m
CONFIG_IP6_NF_MANGLE=m
CONFIG_IP6_NF_RAW=m
CONFIG_NF_NAT_IPV6=m
CONFIG_IP6_NF_TARGET_MASQUERADE=m
CONFIG_IP6_NF_TARGET_NPT=m
+CONFIG_NF_TABLES_BRIDGE=m
CONFIG_IP_DCCP=m
# CONFIG_IP_DCCP_CCID3 is not set
CONFIG_SCTP_COOKIE_HMAC_SHA1=y
@@ -191,10 +216,13 @@ CONFIG_RDS=m
CONFIG_RDS_TCP=m
CONFIG_L2TP=m
CONFIG_ATALK=m
+CONFIG_DNS_RESOLVER=y
CONFIG_BATMAN_ADV=m
CONFIG_BATMAN_ADV_DAT=y
+CONFIG_BATMAN_ADV_NC=y
+CONFIG_NETLINK_DIAG=m
+CONFIG_NET_MPLS_GSO=m
# CONFIG_WIRELESS is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
# CONFIG_FIRMWARE_IN_KERNEL is not set
# CONFIG_FW_LOADER_USER_HELPER is not set
@@ -209,6 +237,7 @@ CONFIG_BLK_DEV_NBD=m
CONFIG_BLK_DEV_RAM=y
CONFIG_CDROM_PKTCDVD=m
CONFIG_ATA_OVER_ETH=m
+CONFIG_DUMMY_IRQ=m
CONFIG_IDE=y
CONFIG_IDE_GD_ATAPI=y
CONFIG_BLK_DEV_IDECD=y
@@ -249,6 +278,7 @@ CONFIG_EQUALIZER=m
CONFIG_NET_TEAM=m
CONFIG_NET_TEAM_MODE_BROADCAST=m
CONFIG_NET_TEAM_MODE_ROUNDROBIN=m
+CONFIG_NET_TEAM_MODE_RANDOM=m
CONFIG_NET_TEAM_MODE_ACTIVEBACKUP=m
CONFIG_NET_TEAM_MODE_LOADBALANCE=m
CONFIG_VXLAN=m
@@ -257,10 +287,10 @@ CONFIG_NETCONSOLE_DYNAMIC=y
CONFIG_VETH=m
# CONFIG_NET_VENDOR_3COM is not set
# CONFIG_NET_VENDOR_AMD is not set
+# CONFIG_NET_VENDOR_ARC is not set
# CONFIG_NET_CADENCE is not set
# CONFIG_NET_VENDOR_BROADCOM is not set
# CONFIG_NET_VENDOR_CIRRUS is not set
-# CONFIG_NET_VENDOR_FUJITSU is not set
# CONFIG_NET_VENDOR_HP is not set
# CONFIG_NET_VENDOR_INTEL is not set
# CONFIG_NET_VENDOR_MARVELL is not set
@@ -269,6 +299,7 @@ CONFIG_NE2000=m
# CONFIG_NET_VENDOR_SEEQ is not set
# CONFIG_NET_VENDOR_SMSC is not set
# CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
CONFIG_PLIP=m
CONFIG_PPP=m
@@ -293,7 +324,6 @@ CONFIG_MOUSE_SERIAL=m
CONFIG_INPUT_MISC=y
CONFIG_INPUT_M68K_BEEP=m
CONFIG_SERIO_Q40KBD=y
-CONFIG_VT_HW_CONSOLE_BINDING=y
# CONFIG_LEGACY_PTYS is not set
# CONFIG_DEVKMEM is not set
CONFIG_PRINTER=m
@@ -318,10 +348,6 @@ CONFIG_RTC_DRV_GENERIC=m
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_HEARTBEAT=y
CONFIG_PROC_HARDWARE=y
-CONFIG_EXT2_FS=y
-CONFIG_EXT3_FS=y
-# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
-# CONFIG_EXT3_FS_XATTR is not set
CONFIG_EXT4_FS=y
CONFIG_REISERFS_FS=m
CONFIG_JFS_FS=m
@@ -358,7 +384,7 @@ CONFIG_QNX6FS_FS=m
CONFIG_SYSV_FS=m
CONFIG_UFS_FS=m
CONFIG_NFS_FS=y
-CONFIG_NFS_V4=y
+CONFIG_NFS_V4=m
CONFIG_NFS_SWAP=y
CONFIG_ROOT_NFS=y
CONFIG_NFSD=m
@@ -417,10 +443,10 @@ CONFIG_NLS_MAC_TURKISH=m
CONFIG_DLM=m
CONFIG_MAGIC_SYSRQ=y
CONFIG_ASYNC_RAID6_TEST=m
+CONFIG_TEST_STRING_HELPERS=m
CONFIG_ENCRYPTED_KEYS=m
CONFIG_CRYPTO_MANAGER=y
CONFIG_CRYPTO_USER=m
-CONFIG_CRYPTO_NULL=m
CONFIG_CRYPTO_CRYPTD=m
CONFIG_CRYPTO_TEST=m
CONFIG_CRYPTO_CCM=m
@@ -453,6 +479,8 @@ CONFIG_CRYPTO_TEA=m
CONFIG_CRYPTO_TWOFISH=m
CONFIG_CRYPTO_ZLIB=m
CONFIG_CRYPTO_LZO=m
+CONFIG_CRYPTO_LZ4=m
+CONFIG_CRYPTO_LZ4HC=m
# CONFIG_CRYPTO_ANSI_CPRNG is not set
CONFIG_CRYPTO_USER_API_HASH=m
CONFIG_CRYPTO_USER_API_SKCIPHER=m
diff --git a/arch/m68k/configs/sun3_defconfig b/arch/m68k/configs/sun3_defconfig
index 54674d61e00..60b0aeac574 100644
--- a/arch/m68k/configs/sun3_defconfig
+++ b/arch/m68k/configs/sun3_defconfig
@@ -45,7 +45,6 @@ CONFIG_IP_PNP_RARP=y
CONFIG_NET_IPIP=m
CONFIG_NET_IPGRE_DEMUX=m
CONFIG_NET_IPGRE=m
-CONFIG_SYN_COOKIES=y
CONFIG_NET_IPVTI=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
@@ -56,11 +55,11 @@ CONFIG_INET_XFRM_MODE_BEET=m
# CONFIG_INET_LRO is not set
CONFIG_INET_DIAG=m
CONFIG_INET_UDP_DIAG=m
-CONFIG_IPV6_PRIVACY=y
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_VTI=m
CONFIG_IPV6_GRE=m
CONFIG_NETFILTER=y
CONFIG_NF_CONNTRACK=m
@@ -78,6 +77,17 @@ CONFIG_NF_CONNTRACK_PPTP=m
CONFIG_NF_CONNTRACK_SANE=m
CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
+CONFIG_NF_TABLES=m
+CONFIG_NFT_EXTHDR=m
+CONFIG_NFT_META=m
+CONFIG_NFT_CT=m
+CONFIG_NFT_RBTREE=m
+CONFIG_NFT_HASH=m
+CONFIG_NFT_COUNTER=m
+CONFIG_NFT_LOG=m
+CONFIG_NFT_LIMIT=m
+CONFIG_NFT_NAT=m
+CONFIG_NFT_COMPAT=m
CONFIG_NETFILTER_XT_SET=m
CONFIG_NETFILTER_XT_TARGET_CHECKSUM=m
CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
@@ -91,6 +101,7 @@ CONFIG_NETFILTER_XT_TARGET_NFLOG=m
CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
CONFIG_NETFILTER_XT_TARGET_NOTRACK=m
CONFIG_NETFILTER_XT_TARGET_TEE=m
+CONFIG_NETFILTER_XT_TARGET_TPROXY=m
CONFIG_NETFILTER_XT_TARGET_TRACE=m
CONFIG_NETFILTER_XT_TARGET_TCPMSS=m
CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP=m
@@ -123,6 +134,7 @@ CONFIG_NETFILTER_XT_MATCH_QUOTA=m
CONFIG_NETFILTER_XT_MATCH_RATEEST=m
CONFIG_NETFILTER_XT_MATCH_REALM=m
CONFIG_NETFILTER_XT_MATCH_RECENT=m
+CONFIG_NETFILTER_XT_MATCH_SOCKET=m
CONFIG_NETFILTER_XT_MATCH_STATE=m
CONFIG_NETFILTER_XT_MATCH_STATISTIC=m
CONFIG_NETFILTER_XT_MATCH_STRING=m
@@ -137,11 +149,18 @@ CONFIG_IP_SET_HASH_IP=m
CONFIG_IP_SET_HASH_IPPORT=m
CONFIG_IP_SET_HASH_IPPORTIP=m
CONFIG_IP_SET_HASH_IPPORTNET=m
+CONFIG_IP_SET_HASH_NETPORTNET=m
CONFIG_IP_SET_HASH_NET=m
+CONFIG_IP_SET_HASH_NETNET=m
CONFIG_IP_SET_HASH_NETPORT=m
CONFIG_IP_SET_HASH_NETIFACE=m
CONFIG_IP_SET_LIST_SET=m
CONFIG_NF_CONNTRACK_IPV4=m
+CONFIG_NF_TABLES_IPV4=m
+CONFIG_NFT_REJECT_IPV4=m
+CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_CHAIN_NAT_IPV4=m
+CONFIG_NF_TABLES_ARP=m
CONFIG_IP_NF_IPTABLES=m
CONFIG_IP_NF_MATCH_AH=m
CONFIG_IP_NF_MATCH_ECN=m
@@ -149,6 +168,7 @@ CONFIG_IP_NF_MATCH_RPFILTER=m
CONFIG_IP_NF_MATCH_TTL=m
CONFIG_IP_NF_FILTER=m
CONFIG_IP_NF_TARGET_REJECT=m
+CONFIG_IP_NF_TARGET_SYNPROXY=m
CONFIG_IP_NF_TARGET_ULOG=m
CONFIG_NF_NAT_IPV4=m
CONFIG_IP_NF_TARGET_MASQUERADE=m
@@ -163,6 +183,9 @@ CONFIG_IP_NF_ARPTABLES=m
CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
CONFIG_NF_CONNTRACK_IPV6=m
+CONFIG_NF_TABLES_IPV6=m
+CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_CHAIN_NAT_IPV6=m
CONFIG_IP6_NF_IPTABLES=m
CONFIG_IP6_NF_MATCH_AH=m
CONFIG_IP6_NF_MATCH_EUI64=m
@@ -176,11 +199,13 @@ CONFIG_IP6_NF_MATCH_RT=m
CONFIG_IP6_NF_TARGET_HL=m
CONFIG_IP6_NF_FILTER=m
CONFIG_IP6_NF_TARGET_REJECT=m
+CONFIG_IP6_NF_TARGET_SYNPROXY=m
CONFIG_IP6_NF_MANGLE=m
CONFIG_IP6_NF_RAW=m
CONFIG_NF_NAT_IPV6=m
CONFIG_IP6_NF_TARGET_MASQUERADE=m
CONFIG_IP6_NF_TARGET_NPT=m
+CONFIG_NF_TABLES_BRIDGE=m
CONFIG_IP_DCCP=m
# CONFIG_IP_DCCP_CCID3 is not set
CONFIG_SCTP_COOKIE_HMAC_SHA1=y
@@ -188,10 +213,13 @@ CONFIG_RDS=m
CONFIG_RDS_TCP=m
CONFIG_L2TP=m
CONFIG_ATALK=m
+CONFIG_DNS_RESOLVER=y
CONFIG_BATMAN_ADV=m
CONFIG_BATMAN_ADV_DAT=y
+CONFIG_BATMAN_ADV_NC=y
+CONFIG_NETLINK_DIAG=m
+CONFIG_NET_MPLS_GSO=m
# CONFIG_WIRELESS is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
# CONFIG_FIRMWARE_IN_KERNEL is not set
# CONFIG_FW_LOADER_USER_HELPER is not set
@@ -203,6 +231,7 @@ CONFIG_BLK_DEV_NBD=m
CONFIG_BLK_DEV_RAM=y
CONFIG_CDROM_PKTCDVD=m
CONFIG_ATA_OVER_ETH=m
+CONFIG_DUMMY_IRQ=m
CONFIG_RAID_ATTRS=m
CONFIG_SCSI=y
CONFIG_SCSI_TGT=m
@@ -240,6 +269,7 @@ CONFIG_EQUALIZER=m
CONFIG_NET_TEAM=m
CONFIG_NET_TEAM_MODE_BROADCAST=m
CONFIG_NET_TEAM_MODE_ROUNDROBIN=m
+CONFIG_NET_TEAM_MODE_RANDOM=m
CONFIG_NET_TEAM_MODE_ACTIVEBACKUP=m
CONFIG_NET_TEAM_MODE_LOADBALANCE=m
CONFIG_VXLAN=m
@@ -247,6 +277,7 @@ CONFIG_NETCONSOLE=m
CONFIG_NETCONSOLE_DYNAMIC=y
CONFIG_VETH=m
CONFIG_SUN3LANCE=y
+# CONFIG_NET_VENDOR_ARC is not set
# CONFIG_NET_CADENCE is not set
CONFIG_SUN3_82586=y
# CONFIG_NET_VENDOR_MARVELL is not set
@@ -255,6 +286,7 @@ CONFIG_SUN3_82586=y
# CONFIG_NET_VENDOR_SEEQ is not set
# CONFIG_NET_VENDOR_STMICRO is not set
# CONFIG_NET_VENDOR_SUN is not set
+# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
CONFIG_PPP=m
CONFIG_PPP_BSDCOMP=m
@@ -276,7 +308,6 @@ CONFIG_INPUT_EVDEV=m
CONFIG_KEYBOARD_SUNKBD=y
# CONFIG_MOUSE_PS2 is not set
CONFIG_MOUSE_SERIAL=m
-CONFIG_VT_HW_CONSOLE_BINDING=y
# CONFIG_LEGACY_PTYS is not set
# CONFIG_DEVKMEM is not set
# CONFIG_HW_RANDOM is not set
@@ -296,10 +327,6 @@ CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_GENERIC=m
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_PROC_HARDWARE=y
-CONFIG_EXT2_FS=y
-CONFIG_EXT3_FS=y
-# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
-# CONFIG_EXT3_FS_XATTR is not set
CONFIG_EXT4_FS=y
CONFIG_REISERFS_FS=m
CONFIG_JFS_FS=m
@@ -336,7 +363,7 @@ CONFIG_QNX6FS_FS=m
CONFIG_SYSV_FS=m
CONFIG_UFS_FS=m
CONFIG_NFS_FS=y
-CONFIG_NFS_V4=y
+CONFIG_NFS_V4=m
CONFIG_NFS_SWAP=y
CONFIG_ROOT_NFS=y
CONFIG_NFSD=m
@@ -395,10 +422,10 @@ CONFIG_NLS_MAC_TURKISH=m
CONFIG_DLM=m
CONFIG_MAGIC_SYSRQ=y
CONFIG_ASYNC_RAID6_TEST=m
+CONFIG_TEST_STRING_HELPERS=m
CONFIG_ENCRYPTED_KEYS=m
CONFIG_CRYPTO_MANAGER=y
CONFIG_CRYPTO_USER=m
-CONFIG_CRYPTO_NULL=m
CONFIG_CRYPTO_CRYPTD=m
CONFIG_CRYPTO_TEST=m
CONFIG_CRYPTO_CCM=m
@@ -431,6 +458,8 @@ CONFIG_CRYPTO_TEA=m
CONFIG_CRYPTO_TWOFISH=m
CONFIG_CRYPTO_ZLIB=m
CONFIG_CRYPTO_LZO=m
+CONFIG_CRYPTO_LZ4=m
+CONFIG_CRYPTO_LZ4HC=m
# CONFIG_CRYPTO_ANSI_CPRNG is not set
CONFIG_CRYPTO_USER_API_HASH=m
CONFIG_CRYPTO_USER_API_SKCIPHER=m
diff --git a/arch/m68k/configs/sun3x_defconfig b/arch/m68k/configs/sun3x_defconfig
index 832d9539f44..21bda331eeb 100644
--- a/arch/m68k/configs/sun3x_defconfig
+++ b/arch/m68k/configs/sun3x_defconfig
@@ -45,7 +45,6 @@ CONFIG_IP_PNP_RARP=y
CONFIG_NET_IPIP=m
CONFIG_NET_IPGRE_DEMUX=m
CONFIG_NET_IPGRE=m
-CONFIG_SYN_COOKIES=y
CONFIG_NET_IPVTI=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
@@ -56,11 +55,11 @@ CONFIG_INET_XFRM_MODE_BEET=m
# CONFIG_INET_LRO is not set
CONFIG_INET_DIAG=m
CONFIG_INET_UDP_DIAG=m
-CONFIG_IPV6_PRIVACY=y
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_VTI=m
CONFIG_IPV6_GRE=m
CONFIG_NETFILTER=y
CONFIG_NF_CONNTRACK=m
@@ -78,6 +77,17 @@ CONFIG_NF_CONNTRACK_PPTP=m
CONFIG_NF_CONNTRACK_SANE=m
CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
+CONFIG_NF_TABLES=m
+CONFIG_NFT_EXTHDR=m
+CONFIG_NFT_META=m
+CONFIG_NFT_CT=m
+CONFIG_NFT_RBTREE=m
+CONFIG_NFT_HASH=m
+CONFIG_NFT_COUNTER=m
+CONFIG_NFT_LOG=m
+CONFIG_NFT_LIMIT=m
+CONFIG_NFT_NAT=m
+CONFIG_NFT_COMPAT=m
CONFIG_NETFILTER_XT_SET=m
CONFIG_NETFILTER_XT_TARGET_CHECKSUM=m
CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
@@ -91,6 +101,7 @@ CONFIG_NETFILTER_XT_TARGET_NFLOG=m
CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
CONFIG_NETFILTER_XT_TARGET_NOTRACK=m
CONFIG_NETFILTER_XT_TARGET_TEE=m
+CONFIG_NETFILTER_XT_TARGET_TPROXY=m
CONFIG_NETFILTER_XT_TARGET_TRACE=m
CONFIG_NETFILTER_XT_TARGET_TCPMSS=m
CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP=m
@@ -123,6 +134,7 @@ CONFIG_NETFILTER_XT_MATCH_QUOTA=m
CONFIG_NETFILTER_XT_MATCH_RATEEST=m
CONFIG_NETFILTER_XT_MATCH_REALM=m
CONFIG_NETFILTER_XT_MATCH_RECENT=m
+CONFIG_NETFILTER_XT_MATCH_SOCKET=m
CONFIG_NETFILTER_XT_MATCH_STATE=m
CONFIG_NETFILTER_XT_MATCH_STATISTIC=m
CONFIG_NETFILTER_XT_MATCH_STRING=m
@@ -137,11 +149,18 @@ CONFIG_IP_SET_HASH_IP=m
CONFIG_IP_SET_HASH_IPPORT=m
CONFIG_IP_SET_HASH_IPPORTIP=m
CONFIG_IP_SET_HASH_IPPORTNET=m
+CONFIG_IP_SET_HASH_NETPORTNET=m
CONFIG_IP_SET_HASH_NET=m
+CONFIG_IP_SET_HASH_NETNET=m
CONFIG_IP_SET_HASH_NETPORT=m
CONFIG_IP_SET_HASH_NETIFACE=m
CONFIG_IP_SET_LIST_SET=m
CONFIG_NF_CONNTRACK_IPV4=m
+CONFIG_NF_TABLES_IPV4=m
+CONFIG_NFT_REJECT_IPV4=m
+CONFIG_NFT_CHAIN_ROUTE_IPV4=m
+CONFIG_NFT_CHAIN_NAT_IPV4=m
+CONFIG_NF_TABLES_ARP=m
CONFIG_IP_NF_IPTABLES=m
CONFIG_IP_NF_MATCH_AH=m
CONFIG_IP_NF_MATCH_ECN=m
@@ -149,6 +168,7 @@ CONFIG_IP_NF_MATCH_RPFILTER=m
CONFIG_IP_NF_MATCH_TTL=m
CONFIG_IP_NF_FILTER=m
CONFIG_IP_NF_TARGET_REJECT=m
+CONFIG_IP_NF_TARGET_SYNPROXY=m
CONFIG_IP_NF_TARGET_ULOG=m
CONFIG_NF_NAT_IPV4=m
CONFIG_IP_NF_TARGET_MASQUERADE=m
@@ -163,6 +183,9 @@ CONFIG_IP_NF_ARPTABLES=m
CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
CONFIG_NF_CONNTRACK_IPV6=m
+CONFIG_NF_TABLES_IPV6=m
+CONFIG_NFT_CHAIN_ROUTE_IPV6=m
+CONFIG_NFT_CHAIN_NAT_IPV6=m
CONFIG_IP6_NF_IPTABLES=m
CONFIG_IP6_NF_MATCH_AH=m
CONFIG_IP6_NF_MATCH_EUI64=m
@@ -176,11 +199,13 @@ CONFIG_IP6_NF_MATCH_RT=m
CONFIG_IP6_NF_TARGET_HL=m
CONFIG_IP6_NF_FILTER=m
CONFIG_IP6_NF_TARGET_REJECT=m
+CONFIG_IP6_NF_TARGET_SYNPROXY=m
CONFIG_IP6_NF_MANGLE=m
CONFIG_IP6_NF_RAW=m
CONFIG_NF_NAT_IPV6=m
CONFIG_IP6_NF_TARGET_MASQUERADE=m
CONFIG_IP6_NF_TARGET_NPT=m
+CONFIG_NF_TABLES_BRIDGE=m
CONFIG_IP_DCCP=m
# CONFIG_IP_DCCP_CCID3 is not set
CONFIG_SCTP_COOKIE_HMAC_SHA1=y
@@ -188,10 +213,13 @@ CONFIG_RDS=m
CONFIG_RDS_TCP=m
CONFIG_L2TP=m
CONFIG_ATALK=m
+CONFIG_DNS_RESOLVER=y
CONFIG_BATMAN_ADV=m
CONFIG_BATMAN_ADV_DAT=y
+CONFIG_BATMAN_ADV_NC=y
+CONFIG_NETLINK_DIAG=m
+CONFIG_NET_MPLS_GSO=m
# CONFIG_WIRELESS is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
# CONFIG_FIRMWARE_IN_KERNEL is not set
# CONFIG_FW_LOADER_USER_HELPER is not set
@@ -203,6 +231,7 @@ CONFIG_BLK_DEV_NBD=m
CONFIG_BLK_DEV_RAM=y
CONFIG_CDROM_PKTCDVD=m
CONFIG_ATA_OVER_ETH=m
+CONFIG_DUMMY_IRQ=m
CONFIG_RAID_ATTRS=m
CONFIG_SCSI=y
CONFIG_SCSI_TGT=m
@@ -240,6 +269,7 @@ CONFIG_EQUALIZER=m
CONFIG_NET_TEAM=m
CONFIG_NET_TEAM_MODE_BROADCAST=m
CONFIG_NET_TEAM_MODE_ROUNDROBIN=m
+CONFIG_NET_TEAM_MODE_RANDOM=m
CONFIG_NET_TEAM_MODE_ACTIVEBACKUP=m
CONFIG_NET_TEAM_MODE_LOADBALANCE=m
CONFIG_VXLAN=m
@@ -247,6 +277,7 @@ CONFIG_NETCONSOLE=m
CONFIG_NETCONSOLE_DYNAMIC=y
CONFIG_VETH=m
CONFIG_SUN3LANCE=y
+# CONFIG_NET_VENDOR_ARC is not set
# CONFIG_NET_CADENCE is not set
# CONFIG_NET_VENDOR_BROADCOM is not set
# CONFIG_NET_VENDOR_INTEL is not set
@@ -255,6 +286,7 @@ CONFIG_SUN3LANCE=y
# CONFIG_NET_VENDOR_NATSEMI is not set
# CONFIG_NET_VENDOR_SEEQ is not set
# CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
CONFIG_PPP=m
CONFIG_PPP_BSDCOMP=m
@@ -276,7 +308,6 @@ CONFIG_INPUT_EVDEV=m
CONFIG_KEYBOARD_SUNKBD=y
# CONFIG_MOUSE_PS2 is not set
CONFIG_MOUSE_SERIAL=m
-CONFIG_VT_HW_CONSOLE_BINDING=y
# CONFIG_LEGACY_PTYS is not set
# CONFIG_DEVKMEM is not set
# CONFIG_HW_RANDOM is not set
@@ -296,10 +327,6 @@ CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_GENERIC=m
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_PROC_HARDWARE=y
-CONFIG_EXT2_FS=y
-CONFIG_EXT3_FS=y
-# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
-# CONFIG_EXT3_FS_XATTR is not set
CONFIG_EXT4_FS=y
CONFIG_REISERFS_FS=m
CONFIG_JFS_FS=m
@@ -336,7 +363,7 @@ CONFIG_QNX6FS_FS=m
CONFIG_SYSV_FS=m
CONFIG_UFS_FS=m
CONFIG_NFS_FS=y
-CONFIG_NFS_V4=y
+CONFIG_NFS_V4=m
CONFIG_NFS_SWAP=y
CONFIG_ROOT_NFS=y
CONFIG_NFSD=m
@@ -395,10 +422,10 @@ CONFIG_NLS_MAC_TURKISH=m
CONFIG_DLM=m
CONFIG_MAGIC_SYSRQ=y
CONFIG_ASYNC_RAID6_TEST=m
+CONFIG_TEST_STRING_HELPERS=m
CONFIG_ENCRYPTED_KEYS=m
CONFIG_CRYPTO_MANAGER=y
CONFIG_CRYPTO_USER=m
-CONFIG_CRYPTO_NULL=m
CONFIG_CRYPTO_CRYPTD=m
CONFIG_CRYPTO_TEST=m
CONFIG_CRYPTO_CCM=m
@@ -431,6 +458,8 @@ CONFIG_CRYPTO_TEA=m
CONFIG_CRYPTO_TWOFISH=m
CONFIG_CRYPTO_ZLIB=m
CONFIG_CRYPTO_LZO=m
+CONFIG_CRYPTO_LZ4=m
+CONFIG_CRYPTO_LZ4HC=m
# CONFIG_CRYPTO_ANSI_CPRNG is not set
CONFIG_CRYPTO_USER_API_HASH=m
CONFIG_CRYPTO_USER_API_SKCIPHER=m
diff --git a/arch/m68k/emu/natfeat.c b/arch/m68k/emu/natfeat.c
index 121a6660ad4..71b78ecee75 100644
--- a/arch/m68k/emu/natfeat.c
+++ b/arch/m68k/emu/natfeat.c
@@ -9,6 +9,7 @@
* the GNU General Public License (GPL), incorporated herein by reference.
*/
+#include <linux/init.h>
#include <linux/types.h>
#include <linux/console.h>
#include <linux/string.h>
@@ -70,7 +71,7 @@ static void nf_poweroff(void)
nf_call(id);
}
-void nf_init(void)
+void __init nf_init(void)
{
unsigned long id, version;
char buf[256];
diff --git a/arch/m68k/hp300/config.c b/arch/m68k/hp300/config.c
index b7609f79152..2e5a787ea11 100644
--- a/arch/m68k/hp300/config.c
+++ b/arch/m68k/hp300/config.c
@@ -14,6 +14,8 @@
#include <linux/console.h>
#include <asm/bootinfo.h>
+#include <asm/bootinfo-hp300.h>
+#include <asm/byteorder.h>
#include <asm/machdep.h>
#include <asm/blinken.h>
#include <asm/io.h> /* readb() and writeb() */
@@ -70,15 +72,15 @@ extern int hp300_setup_serial_console(void) __init;
int __init hp300_parse_bootinfo(const struct bi_record *record)
{
int unknown = 0;
- const unsigned long *data = record->data;
+ const void *data = record->data;
- switch (record->tag) {
+ switch (be16_to_cpu(record->tag)) {
case BI_HP300_MODEL:
- hp300_model = *data;
+ hp300_model = be32_to_cpup(data);
break;
case BI_HP300_UART_SCODE:
- hp300_uart_scode = *data;
+ hp300_uart_scode = be32_to_cpup(data);
break;
case BI_HP300_UART_ADDR:
diff --git a/arch/m68k/include/asm/amigahw.h b/arch/m68k/include/asm/amigahw.h
index 7a19b5686a4..5ad568110f1 100644
--- a/arch/m68k/include/asm/amigahw.h
+++ b/arch/m68k/include/asm/amigahw.h
@@ -18,26 +18,7 @@
#include <linux/ioport.h>
- /*
- * Different Amiga models
- */
-
-#define AMI_UNKNOWN (0)
-#define AMI_500 (1)
-#define AMI_500PLUS (2)
-#define AMI_600 (3)
-#define AMI_1000 (4)
-#define AMI_1200 (5)
-#define AMI_2000 (6)
-#define AMI_2500 (7)
-#define AMI_3000 (8)
-#define AMI_3000T (9)
-#define AMI_3000PLUS (10)
-#define AMI_4000 (11)
-#define AMI_4000T (12)
-#define AMI_CDTV (13)
-#define AMI_CD32 (14)
-#define AMI_DRACO (15)
+#include <asm/bootinfo-amiga.h>
/*
@@ -46,11 +27,6 @@
extern unsigned long amiga_chipset;
-#define CS_STONEAGE (0)
-#define CS_OCS (1)
-#define CS_ECS (2)
-#define CS_AGA (3)
-
/*
* Miscellaneous
@@ -266,7 +242,7 @@ struct CIA {
#define zTwoBase (0x80000000)
#define ZTWO_PADDR(x) (((unsigned long)(x))-zTwoBase)
-#define ZTWO_VADDR(x) (((unsigned long)(x))+zTwoBase)
+#define ZTWO_VADDR(x) ((void __iomem *)(((unsigned long)(x))+zTwoBase))
#define CUSTOM_PHYSADDR (0xdff000)
#define amiga_custom ((*(volatile struct CUSTOM *)(zTwoBase+CUSTOM_PHYSADDR)))
diff --git a/arch/m68k/include/asm/apollohw.h b/arch/m68k/include/asm/apollohw.h
index 6c19e0c2241..87fc899d32e 100644
--- a/arch/m68k/include/asm/apollohw.h
+++ b/arch/m68k/include/asm/apollohw.h
@@ -5,18 +5,11 @@
#include <linux/types.h>
-/*
- apollo models
-*/
+#include <asm/bootinfo-apollo.h>
+
extern u_long apollo_model;
-#define APOLLO_UNKNOWN (0)
-#define APOLLO_DN3000 (1)
-#define APOLLO_DN3010 (2)
-#define APOLLO_DN3500 (3)
-#define APOLLO_DN4000 (4)
-#define APOLLO_DN4500 (5)
/*
see scn2681 data sheet for more info.
diff --git a/arch/m68k/include/asm/atarihw.h b/arch/m68k/include/asm/atarihw.h
index d887050e6da..972c8f33f05 100644
--- a/arch/m68k/include/asm/atarihw.h
+++ b/arch/m68k/include/asm/atarihw.h
@@ -21,7 +21,7 @@
#define _LINUX_ATARIHW_H_
#include <linux/types.h>
-#include <asm/bootinfo.h>
+#include <asm/bootinfo-atari.h>
#include <asm/raw_io.h>
extern u_long atari_mch_cookie;
diff --git a/arch/m68k/include/asm/barrier.h b/arch/m68k/include/asm/barrier.h
index 445ce22c23c..15c5f77c161 100644
--- a/arch/m68k/include/asm/barrier.h
+++ b/arch/m68k/include/asm/barrier.h
@@ -1,20 +1,8 @@
#ifndef _M68K_BARRIER_H
#define _M68K_BARRIER_H
-/*
- * Force strict CPU ordering.
- * Not really required on m68k...
- */
#define nop() do { asm volatile ("nop"); barrier(); } while (0)
-#define mb() barrier()
-#define rmb() barrier()
-#define wmb() barrier()
-#define read_barrier_depends() ((void)0)
-#define set_mb(var, value) ({ (var) = (value); wmb(); })
-#define smp_mb() barrier()
-#define smp_rmb() barrier()
-#define smp_wmb() barrier()
-#define smp_read_barrier_depends() ((void)0)
+#include <asm-generic/barrier.h>
#endif /* _M68K_BARRIER_H */
diff --git a/arch/m68k/include/asm/bootinfo.h b/arch/m68k/include/asm/bootinfo.h
index 67e7a78ad96..8e213267f8e 100644
--- a/arch/m68k/include/asm/bootinfo.h
+++ b/arch/m68k/include/asm/bootinfo.h
@@ -6,373 +6,23 @@
** This file is subject to the terms and conditions of the GNU General Public
** License. See the file COPYING in the main directory of this archive
** for more details.
-**
-** Created 09/29/92 by Greg Harp
-**
-** 5/2/94 Roman Hodek:
-** Added bi_atari part of the machine dependent union bi_un; for now it
-** contains just a model field to distinguish between TT and Falcon.
-** 26/7/96 Roman Zippel:
-** Renamed to setup.h; added some useful macros to allow gcc some
-** optimizations if possible.
-** 5/10/96 Geert Uytterhoeven:
-** Redesign of the boot information structure; renamed to bootinfo.h again
-** 27/11/96 Geert Uytterhoeven:
-** Backwards compatibility with bootinfo interface version 1.0
*/
#ifndef _M68K_BOOTINFO_H
#define _M68K_BOOTINFO_H
+#include <uapi/asm/bootinfo.h>
- /*
- * Bootinfo definitions
- *
- * This is an easily parsable and extendable structure containing all
- * information to be passed from the bootstrap to the kernel.
- *
- * This way I hope to keep all future changes back/forewards compatible.
- * Thus, keep your fingers crossed...
- *
- * This structure is copied right after the kernel bss by the bootstrap
- * routine.
- */
#ifndef __ASSEMBLY__
-struct bi_record {
- unsigned short tag; /* tag ID */
- unsigned short size; /* size of record (in bytes) */
- unsigned long data[0]; /* data */
-};
-
-#endif /* __ASSEMBLY__ */
-
-
- /*
- * Tag Definitions
- *
- * Machine independent tags start counting from 0x0000
- * Machine dependent tags start counting from 0x8000
- */
-
-#define BI_LAST 0x0000 /* last record (sentinel) */
-#define BI_MACHTYPE 0x0001 /* machine type (u_long) */
-#define BI_CPUTYPE 0x0002 /* cpu type (u_long) */
-#define BI_FPUTYPE 0x0003 /* fpu type (u_long) */
-#define BI_MMUTYPE 0x0004 /* mmu type (u_long) */
-#define BI_MEMCHUNK 0x0005 /* memory chunk address and size */
- /* (struct mem_info) */
-#define BI_RAMDISK 0x0006 /* ramdisk address and size */
- /* (struct mem_info) */
-#define BI_COMMAND_LINE 0x0007 /* kernel command line parameters */
- /* (string) */
-
- /*
- * Amiga-specific tags
- */
-
-#define BI_AMIGA_MODEL 0x8000 /* model (u_long) */
-#define BI_AMIGA_AUTOCON 0x8001 /* AutoConfig device */
- /* (struct ConfigDev) */
-#define BI_AMIGA_CHIP_SIZE 0x8002 /* size of Chip RAM (u_long) */
-#define BI_AMIGA_VBLANK 0x8003 /* VBLANK frequency (u_char) */
-#define BI_AMIGA_PSFREQ 0x8004 /* power supply frequency (u_char) */
-#define BI_AMIGA_ECLOCK 0x8005 /* EClock frequency (u_long) */
-#define BI_AMIGA_CHIPSET 0x8006 /* native chipset present (u_long) */
-#define BI_AMIGA_SERPER 0x8007 /* serial port period (u_short) */
-
- /*
- * Atari-specific tags
- */
-
-#define BI_ATARI_MCH_COOKIE 0x8000 /* _MCH cookie from TOS (u_long) */
-#define BI_ATARI_MCH_TYPE 0x8001 /* special machine type (u_long) */
- /* (values are ATARI_MACH_* defines */
-
-/* mch_cookie values (upper word) */
-#define ATARI_MCH_ST 0
-#define ATARI_MCH_STE 1
-#define ATARI_MCH_TT 2
-#define ATARI_MCH_FALCON 3
-
-/* mch_type values */
-#define ATARI_MACH_NORMAL 0 /* no special machine type */
-#define ATARI_MACH_MEDUSA 1 /* Medusa 040 */
-#define ATARI_MACH_HADES 2 /* Hades 040 or 060 */
-#define ATARI_MACH_AB40 3 /* Afterburner040 on Falcon */
-
- /*
- * VME-specific tags
- */
-
-#define BI_VME_TYPE 0x8000 /* VME sub-architecture (u_long) */
-#define BI_VME_BRDINFO 0x8001 /* VME board information (struct) */
-
-/* BI_VME_TYPE codes */
-#define VME_TYPE_TP34V 0x0034 /* Tadpole TP34V */
-#define VME_TYPE_MVME147 0x0147 /* Motorola MVME147 */
-#define VME_TYPE_MVME162 0x0162 /* Motorola MVME162 */
-#define VME_TYPE_MVME166 0x0166 /* Motorola MVME166 */
-#define VME_TYPE_MVME167 0x0167 /* Motorola MVME167 */
-#define VME_TYPE_MVME172 0x0172 /* Motorola MVME172 */
-#define VME_TYPE_MVME177 0x0177 /* Motorola MVME177 */
-#define VME_TYPE_BVME4000 0x4000 /* BVM Ltd. BVME4000 */
-#define VME_TYPE_BVME6000 0x6000 /* BVM Ltd. BVME6000 */
-
-/* BI_VME_BRDINFO is a 32 byte struct as returned by the Bug code on
- * Motorola VME boards. Contains board number, Bug version, board
- * configuration options, etc. See include/asm/mvme16xhw.h for details.
- */
-
-
- /*
- * Macintosh-specific tags (all u_long)
- */
-
-#define BI_MAC_MODEL 0x8000 /* Mac Gestalt ID (model type) */
-#define BI_MAC_VADDR 0x8001 /* Mac video base address */
-#define BI_MAC_VDEPTH 0x8002 /* Mac video depth */
-#define BI_MAC_VROW 0x8003 /* Mac video rowbytes */
-#define BI_MAC_VDIM 0x8004 /* Mac video dimensions */
-#define BI_MAC_VLOGICAL 0x8005 /* Mac video logical base */
-#define BI_MAC_SCCBASE 0x8006 /* Mac SCC base address */
-#define BI_MAC_BTIME 0x8007 /* Mac boot time */
-#define BI_MAC_GMTBIAS 0x8008 /* Mac GMT timezone offset */
-#define BI_MAC_MEMSIZE 0x8009 /* Mac RAM size (sanity check) */
-#define BI_MAC_CPUID 0x800a /* Mac CPU type (sanity check) */
-#define BI_MAC_ROMBASE 0x800b /* Mac system ROM base address */
-
- /*
- * Macintosh hardware profile data - unused, see macintosh.h for
- * reasonable type values
- */
-
-#define BI_MAC_VIA1BASE 0x8010 /* Mac VIA1 base address (always present) */
-#define BI_MAC_VIA2BASE 0x8011 /* Mac VIA2 base address (type varies) */
-#define BI_MAC_VIA2TYPE 0x8012 /* Mac VIA2 type (VIA, RBV, OSS) */
-#define BI_MAC_ADBTYPE 0x8013 /* Mac ADB interface type */
-#define BI_MAC_ASCBASE 0x8014 /* Mac Apple Sound Chip base address */
-#define BI_MAC_SCSI5380 0x8015 /* Mac NCR 5380 SCSI (base address, multi) */
-#define BI_MAC_SCSIDMA 0x8016 /* Mac SCSI DMA (base address) */
-#define BI_MAC_SCSI5396 0x8017 /* Mac NCR 53C96 SCSI (base address, multi) */
-#define BI_MAC_IDETYPE 0x8018 /* Mac IDE interface type */
-#define BI_MAC_IDEBASE 0x8019 /* Mac IDE interface base address */
-#define BI_MAC_NUBUS 0x801a /* Mac Nubus type (none, regular, pseudo) */
-#define BI_MAC_SLOTMASK 0x801b /* Mac Nubus slots present */
-#define BI_MAC_SCCTYPE 0x801c /* Mac SCC serial type (normal, IOP) */
-#define BI_MAC_ETHTYPE 0x801d /* Mac builtin ethernet type (Sonic, MACE */
-#define BI_MAC_ETHBASE 0x801e /* Mac builtin ethernet base address */
-#define BI_MAC_PMU 0x801f /* Mac power management / poweroff hardware */
-#define BI_MAC_IOP_SWIM 0x8020 /* Mac SWIM floppy IOP */
-#define BI_MAC_IOP_ADB 0x8021 /* Mac ADB IOP */
-
- /*
- * Mac: compatibility with old booter data format (temporarily)
- * Fields unused with the new bootinfo can be deleted now; instead of
- * adding new fields the struct might be splitted into a hardware address
- * part and a hardware type part
- */
-
-#ifndef __ASSEMBLY__
-
-struct mac_booter_data
-{
- unsigned long videoaddr;
- unsigned long videorow;
- unsigned long videodepth;
- unsigned long dimensions;
- unsigned long args;
- unsigned long boottime;
- unsigned long gmtbias;
- unsigned long bootver;
- unsigned long videological;
- unsigned long sccbase;
- unsigned long id;
- unsigned long memsize;
- unsigned long serialmf;
- unsigned long serialhsk;
- unsigned long serialgpi;
- unsigned long printmf;
- unsigned long printhsk;
- unsigned long printgpi;
- unsigned long cpuid;
- unsigned long rombase;
- unsigned long adbdelay;
- unsigned long timedbra;
-};
-
-extern struct mac_booter_data
- mac_bi_data;
-
+#ifdef CONFIG_BOOTINFO_PROC
+extern void save_bootinfo(const struct bi_record *bi);
+#else
+static inline void save_bootinfo(const struct bi_record *bi) {}
#endif
- /*
- * Apollo-specific tags
- */
-
-#define BI_APOLLO_MODEL 0x8000 /* model (u_long) */
-
- /*
- * HP300-specific tags
- */
-
-#define BI_HP300_MODEL 0x8000 /* model (u_long) */
-#define BI_HP300_UART_SCODE 0x8001 /* UART select code (u_long) */
-#define BI_HP300_UART_ADDR 0x8002 /* phys. addr of UART (u_long) */
-
- /*
- * Stuff for bootinfo interface versioning
- *
- * At the start of kernel code, a 'struct bootversion' is located.
- * bootstrap checks for a matching version of the interface before booting
- * a kernel, to avoid user confusion if kernel and bootstrap don't work
- * together :-)
- *
- * If incompatible changes are made to the bootinfo interface, the major
- * number below should be stepped (and the minor reset to 0) for the
- * appropriate machine. If a change is backward-compatible, the minor
- * should be stepped. "Backwards-compatible" means that booting will work,
- * but certain features may not.
- */
-
-#define BOOTINFOV_MAGIC 0x4249561A /* 'BIV^Z' */
-#define MK_BI_VERSION(major,minor) (((major)<<16)+(minor))
-#define BI_VERSION_MAJOR(v) (((v) >> 16) & 0xffff)
-#define BI_VERSION_MINOR(v) ((v) & 0xffff)
-
-#ifndef __ASSEMBLY__
-
-struct bootversion {
- unsigned short branch;
- unsigned long magic;
- struct {
- unsigned long machtype;
- unsigned long version;
- } machversions[0];
-};
-
#endif /* __ASSEMBLY__ */
-#define AMIGA_BOOTI_VERSION MK_BI_VERSION( 2, 0 )
-#define ATARI_BOOTI_VERSION MK_BI_VERSION( 2, 1 )
-#define MAC_BOOTI_VERSION MK_BI_VERSION( 2, 0 )
-#define MVME147_BOOTI_VERSION MK_BI_VERSION( 2, 0 )
-#define MVME16x_BOOTI_VERSION MK_BI_VERSION( 2, 0 )
-#define BVME6000_BOOTI_VERSION MK_BI_VERSION( 2, 0 )
-#define Q40_BOOTI_VERSION MK_BI_VERSION( 2, 0 )
-#define HP300_BOOTI_VERSION MK_BI_VERSION( 2, 0 )
-
-#ifdef BOOTINFO_COMPAT_1_0
-
- /*
- * Backwards compatibility with bootinfo interface version 1.0
- */
-
-#define COMPAT_AMIGA_BOOTI_VERSION MK_BI_VERSION( 1, 0 )
-#define COMPAT_ATARI_BOOTI_VERSION MK_BI_VERSION( 1, 0 )
-#define COMPAT_MAC_BOOTI_VERSION MK_BI_VERSION( 1, 0 )
-
-#include <linux/zorro.h>
-
-#define COMPAT_NUM_AUTO 16
-
-struct compat_bi_Amiga {
- int model;
- int num_autocon;
- struct ConfigDev autocon[COMPAT_NUM_AUTO];
- unsigned long chip_size;
- unsigned char vblank;
- unsigned char psfreq;
- unsigned long eclock;
- unsigned long chipset;
- unsigned long hw_present;
-};
-
-struct compat_bi_Atari {
- unsigned long hw_present;
- unsigned long mch_cookie;
-};
-
-#ifndef __ASSEMBLY__
-
-struct compat_bi_Macintosh
-{
- unsigned long videoaddr;
- unsigned long videorow;
- unsigned long videodepth;
- unsigned long dimensions;
- unsigned long args;
- unsigned long boottime;
- unsigned long gmtbias;
- unsigned long bootver;
- unsigned long videological;
- unsigned long sccbase;
- unsigned long id;
- unsigned long memsize;
- unsigned long serialmf;
- unsigned long serialhsk;
- unsigned long serialgpi;
- unsigned long printmf;
- unsigned long printhsk;
- unsigned long printgpi;
- unsigned long cpuid;
- unsigned long rombase;
- unsigned long adbdelay;
- unsigned long timedbra;
-};
-
-#endif
-
-struct compat_mem_info {
- unsigned long addr;
- unsigned long size;
-};
-
-#define COMPAT_NUM_MEMINFO 4
-
-#define COMPAT_CPUB_68020 0
-#define COMPAT_CPUB_68030 1
-#define COMPAT_CPUB_68040 2
-#define COMPAT_CPUB_68060 3
-#define COMPAT_FPUB_68881 5
-#define COMPAT_FPUB_68882 6
-#define COMPAT_FPUB_68040 7
-#define COMPAT_FPUB_68060 8
-
-#define COMPAT_CPU_68020 (1<<COMPAT_CPUB_68020)
-#define COMPAT_CPU_68030 (1<<COMPAT_CPUB_68030)
-#define COMPAT_CPU_68040 (1<<COMPAT_CPUB_68040)
-#define COMPAT_CPU_68060 (1<<COMPAT_CPUB_68060)
-#define COMPAT_CPU_MASK (31)
-#define COMPAT_FPU_68881 (1<<COMPAT_FPUB_68881)
-#define COMPAT_FPU_68882 (1<<COMPAT_FPUB_68882)
-#define COMPAT_FPU_68040 (1<<COMPAT_FPUB_68040)
-#define COMPAT_FPU_68060 (1<<COMPAT_FPUB_68060)
-#define COMPAT_FPU_MASK (0xfe0)
-
-#define COMPAT_CL_SIZE (256)
-
-struct compat_bootinfo {
- unsigned long machtype;
- unsigned long cputype;
- struct compat_mem_info memory[COMPAT_NUM_MEMINFO];
- int num_memory;
- unsigned long ramdisk_size;
- unsigned long ramdisk_addr;
- char command_line[COMPAT_CL_SIZE];
- union {
- struct compat_bi_Amiga bi_ami;
- struct compat_bi_Atari bi_ata;
- struct compat_bi_Macintosh bi_mac;
- } bi_un;
-};
-
-#define bi_amiga bi_un.bi_ami
-#define bi_atari bi_un.bi_ata
-#define bi_mac bi_un.bi_mac
-
-#endif /* BOOTINFO_COMPAT_1_0 */
-
#endif /* _M68K_BOOTINFO_H */
diff --git a/arch/m68k/include/asm/hp300hw.h b/arch/m68k/include/asm/hp300hw.h
index d998ea67c19..64f5271dd7b 100644
--- a/arch/m68k/include/asm/hp300hw.h
+++ b/arch/m68k/include/asm/hp300hw.h
@@ -1,25 +1,9 @@
#ifndef _M68K_HP300HW_H
#define _M68K_HP300HW_H
-extern unsigned long hp300_model;
+#include <asm/bootinfo-hp300.h>
-/* This information was taken from NetBSD */
-#define HP_320 (0) /* 16MHz 68020+HP MMU+16K external cache */
-#define HP_330 (1) /* 16MHz 68020+68851 MMU */
-#define HP_340 (2) /* 16MHz 68030 */
-#define HP_345 (3) /* 50MHz 68030+32K external cache */
-#define HP_350 (4) /* 25MHz 68020+HP MMU+32K external cache */
-#define HP_360 (5) /* 25MHz 68030 */
-#define HP_370 (6) /* 33MHz 68030+64K external cache */
-#define HP_375 (7) /* 50MHz 68030+32K external cache */
-#define HP_380 (8) /* 25MHz 68040 */
-#define HP_385 (9) /* 33MHz 68040 */
-#define HP_400 (10) /* 50MHz 68030+32K external cache */
-#define HP_425T (11) /* 25MHz 68040 - model 425t */
-#define HP_425S (12) /* 25MHz 68040 - model 425s */
-#define HP_425E (13) /* 25MHz 68040 - model 425e */
-#define HP_433T (14) /* 33MHz 68040 - model 433t */
-#define HP_433S (15) /* 33MHz 68040 - model 433s */
+extern unsigned long hp300_model;
#endif /* _M68K_HP300HW_H */
diff --git a/arch/m68k/include/asm/kexec.h b/arch/m68k/include/asm/kexec.h
new file mode 100644
index 00000000000..3df97abac14
--- /dev/null
+++ b/arch/m68k/include/asm/kexec.h
@@ -0,0 +1,29 @@
+#ifndef _ASM_M68K_KEXEC_H
+#define _ASM_M68K_KEXEC_H
+
+#ifdef CONFIG_KEXEC
+
+/* Maximum physical address we can use pages from */
+#define KEXEC_SOURCE_MEMORY_LIMIT (-1UL)
+/* Maximum address we can reach in physical address mode */
+#define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)
+/* Maximum address we can use for the control code buffer */
+#define KEXEC_CONTROL_MEMORY_LIMIT (-1UL)
+
+#define KEXEC_CONTROL_PAGE_SIZE 4096
+
+#define KEXEC_ARCH KEXEC_ARCH_68K
+
+#ifndef __ASSEMBLY__
+
+static inline void crash_setup_regs(struct pt_regs *newregs,
+ struct pt_regs *oldregs)
+{
+ /* Dummy implementation for now */
+}
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* CONFIG_KEXEC */
+
+#endif /* _ASM_M68K_KEXEC_H */
diff --git a/arch/m68k/include/asm/mac_via.h b/arch/m68k/include/asm/mac_via.h
index aeeedf8b2d2..fe3fc9ae1b6 100644
--- a/arch/m68k/include/asm/mac_via.h
+++ b/arch/m68k/include/asm/mac_via.h
@@ -254,6 +254,8 @@
extern volatile __u8 *via1,*via2;
extern int rbv_present,via_alt_mapping;
+struct irq_desc;
+
extern void via_register_interrupts(void);
extern void via_irq_enable(int);
extern void via_irq_disable(int);
diff --git a/arch/m68k/include/asm/macintosh.h b/arch/m68k/include/asm/macintosh.h
index 682a1a2ff55..d323b2c2d07 100644
--- a/arch/m68k/include/asm/macintosh.h
+++ b/arch/m68k/include/asm/macintosh.h
@@ -4,6 +4,9 @@
#include <linux/seq_file.h>
#include <linux/interrupt.h>
+#include <asm/bootinfo-mac.h>
+
+
/*
* Apple Macintoshisms
*/
@@ -74,65 +77,29 @@ struct mac_model
#define MAC_FLOPPY_SWIM_IOP 3
#define MAC_FLOPPY_AV 4
-/*
- * Gestalt numbers
- */
+extern struct mac_model *macintosh_config;
-#define MAC_MODEL_II 6
-#define MAC_MODEL_IIX 7
-#define MAC_MODEL_IICX 8
-#define MAC_MODEL_SE30 9
-#define MAC_MODEL_IICI 11
-#define MAC_MODEL_IIFX 13 /* And well numbered it is too */
-#define MAC_MODEL_IISI 18
-#define MAC_MODEL_LC 19
-#define MAC_MODEL_Q900 20
-#define MAC_MODEL_PB170 21
-#define MAC_MODEL_Q700 22
-#define MAC_MODEL_CLII 23 /* aka: P200 */
-#define MAC_MODEL_PB140 25
-#define MAC_MODEL_Q950 26 /* aka: WGS95 */
-#define MAC_MODEL_LCIII 27 /* aka: P450 */
-#define MAC_MODEL_PB210 29
-#define MAC_MODEL_C650 30
-#define MAC_MODEL_PB230 32
-#define MAC_MODEL_PB180 33
-#define MAC_MODEL_PB160 34
-#define MAC_MODEL_Q800 35 /* aka: WGS80 */
-#define MAC_MODEL_Q650 36
-#define MAC_MODEL_LCII 37 /* aka: P400/405/410/430 */
-#define MAC_MODEL_PB250 38
-#define MAC_MODEL_IIVI 44
-#define MAC_MODEL_P600 45 /* aka: P600CD */
-#define MAC_MODEL_IIVX 48
-#define MAC_MODEL_CCL 49 /* aka: P250 */
-#define MAC_MODEL_PB165C 50
-#define MAC_MODEL_C610 52 /* aka: WGS60 */
-#define MAC_MODEL_Q610 53
-#define MAC_MODEL_PB145 54 /* aka: PB145B */
-#define MAC_MODEL_P520 56 /* aka: LC520 */
-#define MAC_MODEL_C660 60
-#define MAC_MODEL_P460 62 /* aka: LCIII+, P466/P467 */
-#define MAC_MODEL_PB180C 71
-#define MAC_MODEL_PB520 72 /* aka: PB520C, PB540, PB540C, PB550C */
-#define MAC_MODEL_PB270C 77
-#define MAC_MODEL_Q840 78
-#define MAC_MODEL_P550 80 /* aka: LC550, P560 */
-#define MAC_MODEL_CCLII 83 /* aka: P275 */
-#define MAC_MODEL_PB165 84
-#define MAC_MODEL_PB190 85 /* aka: PB190CS */
-#define MAC_MODEL_TV 88
-#define MAC_MODEL_P475 89 /* aka: LC475, P476 */
-#define MAC_MODEL_P475F 90 /* aka: P475 w/ FPU (no LC040) */
-#define MAC_MODEL_P575 92 /* aka: LC575, P577/P578 */
-#define MAC_MODEL_Q605 94
-#define MAC_MODEL_Q605_ACC 95 /* Q605 accelerated to 33 MHz */
-#define MAC_MODEL_Q630 98 /* aka: LC630, P630/631/635/636/637/638/640 */
-#define MAC_MODEL_P588 99 /* aka: LC580, P580 */
-#define MAC_MODEL_PB280 102
-#define MAC_MODEL_PB280C 103
-#define MAC_MODEL_PB150 115
-extern struct mac_model *macintosh_config;
+ /*
+ * Internal representation of the Mac hardware, filled in from bootinfo
+ */
+
+struct mac_booter_data
+{
+ unsigned long videoaddr;
+ unsigned long videorow;
+ unsigned long videodepth;
+ unsigned long dimensions;
+ unsigned long boottime;
+ unsigned long gmtbias;
+ unsigned long videological;
+ unsigned long sccbase;
+ unsigned long id;
+ unsigned long memsize;
+ unsigned long cpuid;
+ unsigned long rombase;
+};
+
+extern struct mac_booter_data mac_bi_data;
#endif
diff --git a/arch/m68k/include/asm/mc146818rtc.h b/arch/m68k/include/asm/mc146818rtc.h
index 9f70a01f73d..05b43bf5cdf 100644
--- a/arch/m68k/include/asm/mc146818rtc.h
+++ b/arch/m68k/include/asm/mc146818rtc.h
@@ -10,16 +10,16 @@
#include <asm/atarihw.h>
-#define RTC_PORT(x) (TT_RTC_BAS + 2*(x))
+#define ATARI_RTC_PORT(x) (TT_RTC_BAS + 2*(x))
#define RTC_ALWAYS_BCD 0
#define CMOS_READ(addr) ({ \
-atari_outb_p((addr),RTC_PORT(0)); \
-atari_inb_p(RTC_PORT(1)); \
+atari_outb_p((addr), ATARI_RTC_PORT(0)); \
+atari_inb_p(ATARI_RTC_PORT(1)); \
})
#define CMOS_WRITE(val, addr) ({ \
-atari_outb_p((addr),RTC_PORT(0)); \
-atari_outb_p((val),RTC_PORT(1)); \
+atari_outb_p((addr), ATARI_RTC_PORT(0)); \
+atari_outb_p((val), ATARI_RTC_PORT(1)); \
})
#endif /* CONFIG_ATARI */
diff --git a/arch/m68k/include/asm/mvme16xhw.h b/arch/m68k/include/asm/mvme16xhw.h
index 6117f56653d..1eb89de631e 100644
--- a/arch/m68k/include/asm/mvme16xhw.h
+++ b/arch/m68k/include/asm/mvme16xhw.h
@@ -3,23 +3,6 @@
#include <asm/irq.h>
-/* Board ID data structure - pointer to this retrieved from Bug by head.S */
-
-/* Note, bytes 12 and 13 are board no in BCD (0162,0166,0167,0177,etc) */
-
-extern long mvme_bdid_ptr;
-
-typedef struct {
- char bdid[4];
- u_char rev, mth, day, yr;
- u_short size, reserved;
- u_short brdno;
- char brdsuffix[2];
- u_long options;
- u_short clun, dlun, ctype, dnum;
- u_long option2;
-} t_bdid, *p_bdid;
-
typedef struct {
u_char ack_icr,
diff --git a/arch/m68k/include/asm/setup.h b/arch/m68k/include/asm/setup.h
index 65e78a2dad6..8f2023f8c1c 100644
--- a/arch/m68k/include/asm/setup.h
+++ b/arch/m68k/include/asm/setup.h
@@ -22,6 +22,7 @@
#ifndef _M68K_SETUP_H
#define _M68K_SETUP_H
+#include <uapi/asm/bootinfo.h>
#include <uapi/asm/setup.h>
@@ -297,14 +298,14 @@ extern int m68k_is040or060;
#define NUM_MEMINFO 4
#ifndef __ASSEMBLY__
-struct mem_info {
+struct m68k_mem_info {
unsigned long addr; /* physical address of memory chunk */
unsigned long size; /* length of memory chunk (in bytes) */
};
extern int m68k_num_memory; /* # of memory blocks found (and used) */
extern int m68k_realnum_memory; /* real # of memory blocks found */
-extern struct mem_info m68k_memory[NUM_MEMINFO];/* memory description */
+extern struct m68k_mem_info m68k_memory[NUM_MEMINFO];/* memory description */
#endif
#endif /* _M68K_SETUP_H */
diff --git a/arch/m68k/include/asm/timex.h b/arch/m68k/include/asm/timex.h
index 6759dad954f..efc1f489235 100644
--- a/arch/m68k/include/asm/timex.h
+++ b/arch/m68k/include/asm/timex.h
@@ -28,4 +28,14 @@ static inline cycles_t get_cycles(void)
return 0;
}
+extern unsigned long (*mach_random_get_entropy)(void);
+
+static inline unsigned long random_get_entropy(void)
+{
+ if (mach_random_get_entropy)
+ return mach_random_get_entropy();
+ return 0;
+}
+#define random_get_entropy random_get_entropy
+
#endif
diff --git a/arch/m68k/include/uapi/asm/Kbuild b/arch/m68k/include/uapi/asm/Kbuild
index 1fef45ada09..6a2d257bdfb 100644
--- a/arch/m68k/include/uapi/asm/Kbuild
+++ b/arch/m68k/include/uapi/asm/Kbuild
@@ -11,6 +11,14 @@ generic-y += termbits.h
generic-y += termios.h
header-y += a.out.h
+header-y += bootinfo.h
+header-y += bootinfo-amiga.h
+header-y += bootinfo-apollo.h
+header-y += bootinfo-atari.h
+header-y += bootinfo-hp300.h
+header-y += bootinfo-mac.h
+header-y += bootinfo-q40.h
+header-y += bootinfo-vme.h
header-y += byteorder.h
header-y += cachectl.h
header-y += fcntl.h
diff --git a/arch/m68k/include/uapi/asm/bootinfo-amiga.h b/arch/m68k/include/uapi/asm/bootinfo-amiga.h
new file mode 100644
index 00000000000..daad3c58d2d
--- /dev/null
+++ b/arch/m68k/include/uapi/asm/bootinfo-amiga.h
@@ -0,0 +1,63 @@
+/*
+** asm/bootinfo-amiga.h -- Amiga-specific boot information definitions
+*/
+
+#ifndef _UAPI_ASM_M68K_BOOTINFO_AMIGA_H
+#define _UAPI_ASM_M68K_BOOTINFO_AMIGA_H
+
+
+ /*
+ * Amiga-specific tags
+ */
+
+#define BI_AMIGA_MODEL 0x8000 /* model (__be32) */
+#define BI_AMIGA_AUTOCON 0x8001 /* AutoConfig device */
+ /* (AmigaOS struct ConfigDev) */
+#define BI_AMIGA_CHIP_SIZE 0x8002 /* size of Chip RAM (__be32) */
+#define BI_AMIGA_VBLANK 0x8003 /* VBLANK frequency (__u8) */
+#define BI_AMIGA_PSFREQ 0x8004 /* power supply frequency (__u8) */
+#define BI_AMIGA_ECLOCK 0x8005 /* EClock frequency (__be32) */
+#define BI_AMIGA_CHIPSET 0x8006 /* native chipset present (__be32) */
+#define BI_AMIGA_SERPER 0x8007 /* serial port period (__be16) */
+
+
+ /*
+ * Amiga models (BI_AMIGA_MODEL)
+ */
+
+#define AMI_UNKNOWN 0
+#define AMI_500 1
+#define AMI_500PLUS 2
+#define AMI_600 3
+#define AMI_1000 4
+#define AMI_1200 5
+#define AMI_2000 6
+#define AMI_2500 7
+#define AMI_3000 8
+#define AMI_3000T 9
+#define AMI_3000PLUS 10
+#define AMI_4000 11
+#define AMI_4000T 12
+#define AMI_CDTV 13
+#define AMI_CD32 14
+#define AMI_DRACO 15
+
+
+ /*
+ * Amiga chipsets (BI_AMIGA_CHIPSET)
+ */
+
+#define CS_STONEAGE 0
+#define CS_OCS 1
+#define CS_ECS 2
+#define CS_AGA 3
+
+
+ /*
+ * Latest Amiga bootinfo version
+ */
+
+#define AMIGA_BOOTI_VERSION MK_BI_VERSION(2, 0)
+
+
+#endif /* _UAPI_ASM_M68K_BOOTINFO_AMIGA_H */
diff --git a/arch/m68k/include/uapi/asm/bootinfo-apollo.h b/arch/m68k/include/uapi/asm/bootinfo-apollo.h
new file mode 100644
index 00000000000..a93e0af1c6f
--- /dev/null
+++ b/arch/m68k/include/uapi/asm/bootinfo-apollo.h
@@ -0,0 +1,28 @@
+/*
+** asm/bootinfo-apollo.h -- Apollo-specific boot information definitions
+*/
+
+#ifndef _UAPI_ASM_M68K_BOOTINFO_APOLLO_H
+#define _UAPI_ASM_M68K_BOOTINFO_APOLLO_H
+
+
+ /*
+ * Apollo-specific tags
+ */
+
+#define BI_APOLLO_MODEL 0x8000 /* model (__be32) */
+
+
+ /*
+ * Apollo models (BI_APOLLO_MODEL)
+ */
+
+#define APOLLO_UNKNOWN 0
+#define APOLLO_DN3000 1
+#define APOLLO_DN3010 2
+#define APOLLO_DN3500 3
+#define APOLLO_DN4000 4
+#define APOLLO_DN4500 5
+
+
+#endif /* _UAPI_ASM_M68K_BOOTINFO_APOLLO_H */
diff --git a/arch/m68k/include/uapi/asm/bootinfo-atari.h b/arch/m68k/include/uapi/asm/bootinfo-atari.h
new file mode 100644
index 00000000000..a817854049b
--- /dev/null
+++ b/arch/m68k/include/uapi/asm/bootinfo-atari.h
@@ -0,0 +1,44 @@
+/*
+** asm/bootinfo-atari.h -- Atari-specific boot information definitions
+*/
+
+#ifndef _UAPI_ASM_M68K_BOOTINFO_ATARI_H
+#define _UAPI_ASM_M68K_BOOTINFO_ATARI_H
+
+
+ /*
+ * Atari-specific tags
+ */
+
+#define BI_ATARI_MCH_COOKIE 0x8000 /* _MCH cookie from TOS (__be32) */
+#define BI_ATARI_MCH_TYPE 0x8001 /* special machine type (__be32) */
+
+
+ /*
+ * mch_cookie values (upper word of BI_ATARI_MCH_COOKIE)
+ */
+
+#define ATARI_MCH_ST 0
+#define ATARI_MCH_STE 1
+#define ATARI_MCH_TT 2
+#define ATARI_MCH_FALCON 3
+
+
+ /*
+ * Atari machine types (BI_ATARI_MCH_TYPE)
+ */
+
+#define ATARI_MACH_NORMAL 0 /* no special machine type */
+#define ATARI_MACH_MEDUSA 1 /* Medusa 040 */
+#define ATARI_MACH_HADES 2 /* Hades 040 or 060 */
+#define ATARI_MACH_AB40 3 /* Afterburner040 on Falcon */
+
+
+ /*
+ * Latest Atari bootinfo version
+ */
+
+#define ATARI_BOOTI_VERSION MK_BI_VERSION(2, 1)
+
+
+#endif /* _UAPI_ASM_M68K_BOOTINFO_ATARI_H */
diff --git a/arch/m68k/include/uapi/asm/bootinfo-hp300.h b/arch/m68k/include/uapi/asm/bootinfo-hp300.h
new file mode 100644
index 00000000000..c90cb71ed89
--- /dev/null
+++ b/arch/m68k/include/uapi/asm/bootinfo-hp300.h
@@ -0,0 +1,50 @@
+/*
+** asm/bootinfo-hp300.h -- HP9000/300-specific boot information definitions
+*/
+
+#ifndef _UAPI_ASM_M68K_BOOTINFO_HP300_H
+#define _UAPI_ASM_M68K_BOOTINFO_HP300_H
+
+
+ /*
+ * HP9000/300-specific tags
+ */
+
+#define BI_HP300_MODEL 0x8000 /* model (__be32) */
+#define BI_HP300_UART_SCODE 0x8001 /* UART select code (__be32) */
+#define BI_HP300_UART_ADDR 0x8002 /* phys. addr of UART (__be32) */
+
+
+ /*
+ * HP9000/300 and /400 models (BI_HP300_MODEL)
+ *
+ * This information was taken from NetBSD
+ */
+
+#define HP_320 0 /* 16MHz 68020+HP MMU+16K external cache */
+#define HP_330 1 /* 16MHz 68020+68851 MMU */
+#define HP_340 2 /* 16MHz 68030 */
+#define HP_345 3 /* 50MHz 68030+32K external cache */
+#define HP_350 4 /* 25MHz 68020+HP MMU+32K external cache */
+#define HP_360 5 /* 25MHz 68030 */
+#define HP_370 6 /* 33MHz 68030+64K external cache */
+#define HP_375 7 /* 50MHz 68030+32K external cache */
+#define HP_380 8 /* 25MHz 68040 */
+#define HP_385 9 /* 33MHz 68040 */
+
+#define HP_400 10 /* 50MHz 68030+32K external cache */
+#define HP_425T 11 /* 25MHz 68040 - model 425t */
+#define HP_425S 12 /* 25MHz 68040 - model 425s */
+#define HP_425E 13 /* 25MHz 68040 - model 425e */
+#define HP_433T 14 /* 33MHz 68040 - model 433t */
+#define HP_433S 15 /* 33MHz 68040 - model 433s */
+
+
+ /*
+ * Latest HP9000/300 bootinfo version
+ */
+
+#define HP300_BOOTI_VERSION MK_BI_VERSION(2, 0)
+
+
+#endif /* _UAPI_ASM_M68K_BOOTINFO_HP300_H */
diff --git a/arch/m68k/include/uapi/asm/bootinfo-mac.h b/arch/m68k/include/uapi/asm/bootinfo-mac.h
new file mode 100644
index 00000000000..b44ff73898a
--- /dev/null
+++ b/arch/m68k/include/uapi/asm/bootinfo-mac.h
@@ -0,0 +1,119 @@
+/*
+** asm/bootinfo-mac.h -- Macintosh-specific boot information definitions
+*/
+
+#ifndef _UAPI_ASM_M68K_BOOTINFO_MAC_H
+#define _UAPI_ASM_M68K_BOOTINFO_MAC_H
+
+
+ /*
+ * Macintosh-specific tags (all __be32)
+ */
+
+#define BI_MAC_MODEL 0x8000 /* Mac Gestalt ID (model type) */
+#define BI_MAC_VADDR 0x8001 /* Mac video base address */
+#define BI_MAC_VDEPTH 0x8002 /* Mac video depth */
+#define BI_MAC_VROW 0x8003 /* Mac video rowbytes */
+#define BI_MAC_VDIM 0x8004 /* Mac video dimensions */
+#define BI_MAC_VLOGICAL 0x8005 /* Mac video logical base */
+#define BI_MAC_SCCBASE 0x8006 /* Mac SCC base address */
+#define BI_MAC_BTIME 0x8007 /* Mac boot time */
+#define BI_MAC_GMTBIAS 0x8008 /* Mac GMT timezone offset */
+#define BI_MAC_MEMSIZE 0x8009 /* Mac RAM size (sanity check) */
+#define BI_MAC_CPUID 0x800a /* Mac CPU type (sanity check) */
+#define BI_MAC_ROMBASE 0x800b /* Mac system ROM base address */
+
+
+ /*
+ * Macintosh hardware profile data - unused, see macintosh.h for
+ * reasonable type values
+ */
+
+#define BI_MAC_VIA1BASE 0x8010 /* Mac VIA1 base address (always present) */
+#define BI_MAC_VIA2BASE 0x8011 /* Mac VIA2 base address (type varies) */
+#define BI_MAC_VIA2TYPE 0x8012 /* Mac VIA2 type (VIA, RBV, OSS) */
+#define BI_MAC_ADBTYPE 0x8013 /* Mac ADB interface type */
+#define BI_MAC_ASCBASE 0x8014 /* Mac Apple Sound Chip base address */
+#define BI_MAC_SCSI5380 0x8015 /* Mac NCR 5380 SCSI (base address, multi) */
+#define BI_MAC_SCSIDMA 0x8016 /* Mac SCSI DMA (base address) */
+#define BI_MAC_SCSI5396 0x8017 /* Mac NCR 53C96 SCSI (base address, multi) */
+#define BI_MAC_IDETYPE 0x8018 /* Mac IDE interface type */
+#define BI_MAC_IDEBASE 0x8019 /* Mac IDE interface base address */
+#define BI_MAC_NUBUS 0x801a /* Mac Nubus type (none, regular, pseudo) */
+#define BI_MAC_SLOTMASK 0x801b /* Mac Nubus slots present */
+#define BI_MAC_SCCTYPE 0x801c /* Mac SCC serial type (normal, IOP) */
+#define BI_MAC_ETHTYPE 0x801d /* Mac builtin ethernet type (Sonic, MACE */
+#define BI_MAC_ETHBASE 0x801e /* Mac builtin ethernet base address */
+#define BI_MAC_PMU 0x801f /* Mac power management / poweroff hardware */
+#define BI_MAC_IOP_SWIM 0x8020 /* Mac SWIM floppy IOP */
+#define BI_MAC_IOP_ADB 0x8021 /* Mac ADB IOP */
+
+
+ /*
+ * Macintosh Gestalt numbers (BI_MAC_MODEL)
+ */
+
+#define MAC_MODEL_II 6
+#define MAC_MODEL_IIX 7
+#define MAC_MODEL_IICX 8
+#define MAC_MODEL_SE30 9
+#define MAC_MODEL_IICI 11
+#define MAC_MODEL_IIFX 13 /* And well numbered it is too */
+#define MAC_MODEL_IISI 18
+#define MAC_MODEL_LC 19
+#define MAC_MODEL_Q900 20
+#define MAC_MODEL_PB170 21
+#define MAC_MODEL_Q700 22
+#define MAC_MODEL_CLII 23 /* aka: P200 */
+#define MAC_MODEL_PB140 25
+#define MAC_MODEL_Q950 26 /* aka: WGS95 */
+#define MAC_MODEL_LCIII 27 /* aka: P450 */
+#define MAC_MODEL_PB210 29
+#define MAC_MODEL_C650 30
+#define MAC_MODEL_PB230 32
+#define MAC_MODEL_PB180 33
+#define MAC_MODEL_PB160 34
+#define MAC_MODEL_Q800 35 /* aka: WGS80 */
+#define MAC_MODEL_Q650 36
+#define MAC_MODEL_LCII 37 /* aka: P400/405/410/430 */
+#define MAC_MODEL_PB250 38
+#define MAC_MODEL_IIVI 44
+#define MAC_MODEL_P600 45 /* aka: P600CD */
+#define MAC_MODEL_IIVX 48
+#define MAC_MODEL_CCL 49 /* aka: P250 */
+#define MAC_MODEL_PB165C 50
+#define MAC_MODEL_C610 52 /* aka: WGS60 */
+#define MAC_MODEL_Q610 53
+#define MAC_MODEL_PB145 54 /* aka: PB145B */
+#define MAC_MODEL_P520 56 /* aka: LC520 */
+#define MAC_MODEL_C660 60
+#define MAC_MODEL_P460 62 /* aka: LCIII+, P466/P467 */
+#define MAC_MODEL_PB180C 71
+#define MAC_MODEL_PB520 72 /* aka: PB520C, PB540, PB540C, PB550C */
+#define MAC_MODEL_PB270C 77
+#define MAC_MODEL_Q840 78
+#define MAC_MODEL_P550 80 /* aka: LC550, P560 */
+#define MAC_MODEL_CCLII 83 /* aka: P275 */
+#define MAC_MODEL_PB165 84
+#define MAC_MODEL_PB190 85 /* aka: PB190CS */
+#define MAC_MODEL_TV 88
+#define MAC_MODEL_P475 89 /* aka: LC475, P476 */
+#define MAC_MODEL_P475F 90 /* aka: P475 w/ FPU (no LC040) */
+#define MAC_MODEL_P575 92 /* aka: LC575, P577/P578 */
+#define MAC_MODEL_Q605 94
+#define MAC_MODEL_Q605_ACC 95 /* Q605 accelerated to 33 MHz */
+#define MAC_MODEL_Q630 98 /* aka: LC630, P630/631/635/636/637/638/640 */
+#define MAC_MODEL_P588 99 /* aka: LC580, P580 */
+#define MAC_MODEL_PB280 102
+#define MAC_MODEL_PB280C 103
+#define MAC_MODEL_PB150 115
+
+
+ /*
+ * Latest Macintosh bootinfo version
+ */
+
+#define MAC_BOOTI_VERSION MK_BI_VERSION(2, 0)
+
+
+#endif /* _UAPI_ASM_M68K_BOOTINFO_MAC_H */
diff --git a/arch/m68k/include/uapi/asm/bootinfo-q40.h b/arch/m68k/include/uapi/asm/bootinfo-q40.h
new file mode 100644
index 00000000000..c79fea7e555
--- /dev/null
+++ b/arch/m68k/include/uapi/asm/bootinfo-q40.h
@@ -0,0 +1,16 @@
+/*
+** asm/bootinfo-q40.h -- Q40-specific boot information definitions
+*/
+
+#ifndef _UAPI_ASM_M68K_BOOTINFO_Q40_H
+#define _UAPI_ASM_M68K_BOOTINFO_Q40_H
+
+
+ /*
+ * Latest Q40 bootinfo version
+ */
+
+#define Q40_BOOTI_VERSION MK_BI_VERSION(2, 0)
+
+
+#endif /* _UAPI_ASM_M68K_BOOTINFO_Q40_H */
diff --git a/arch/m68k/include/uapi/asm/bootinfo-vme.h b/arch/m68k/include/uapi/asm/bootinfo-vme.h
new file mode 100644
index 00000000000..a135eb41d67
--- /dev/null
+++ b/arch/m68k/include/uapi/asm/bootinfo-vme.h
@@ -0,0 +1,70 @@
+/*
+** asm/bootinfo-vme.h -- VME-specific boot information definitions
+*/
+
+#ifndef _UAPI_ASM_M68K_BOOTINFO_VME_H
+#define _UAPI_ASM_M68K_BOOTINFO_VME_H
+
+
+#include <linux/types.h>
+
+
+ /*
+ * VME-specific tags
+ */
+
+#define BI_VME_TYPE 0x8000 /* VME sub-architecture (__be32) */
+#define BI_VME_BRDINFO 0x8001 /* VME board information (struct) */
+
+
+ /*
+ * VME models (BI_VME_TYPE)
+ */
+
+#define VME_TYPE_TP34V 0x0034 /* Tadpole TP34V */
+#define VME_TYPE_MVME147 0x0147 /* Motorola MVME147 */
+#define VME_TYPE_MVME162 0x0162 /* Motorola MVME162 */
+#define VME_TYPE_MVME166 0x0166 /* Motorola MVME166 */
+#define VME_TYPE_MVME167 0x0167 /* Motorola MVME167 */
+#define VME_TYPE_MVME172 0x0172 /* Motorola MVME172 */
+#define VME_TYPE_MVME177 0x0177 /* Motorola MVME177 */
+#define VME_TYPE_BVME4000 0x4000 /* BVM Ltd. BVME4000 */
+#define VME_TYPE_BVME6000 0x6000 /* BVM Ltd. BVME6000 */
+
+
+#ifndef __ASSEMBLY__
+
+/*
+ * Board ID data structure - pointer to this retrieved from Bug by head.S
+ *
+ * BI_VME_BRDINFO is a 32 byte struct as returned by the Bug code on
+ * Motorola VME boards. Contains board number, Bug version, board
+ * configuration options, etc.
+ *
+ * Note, bytes 12 and 13 are board no in BCD (0162,0166,0167,0177,etc)
+ */
+
+typedef struct {
+ char bdid[4];
+ __u8 rev, mth, day, yr;
+ __be16 size, reserved;
+ __be16 brdno;
+ char brdsuffix[2];
+ __be32 options;
+ __be16 clun, dlun, ctype, dnum;
+ __be32 option2;
+} t_bdid, *p_bdid;
+
+#endif /* __ASSEMBLY__ */
+
+
+ /*
+ * Latest VME bootinfo versions
+ */
+
+#define MVME147_BOOTI_VERSION MK_BI_VERSION(2, 0)
+#define MVME16x_BOOTI_VERSION MK_BI_VERSION(2, 0)
+#define BVME6000_BOOTI_VERSION MK_BI_VERSION(2, 0)
+
+
+#endif /* _UAPI_ASM_M68K_BOOTINFO_VME_H */
diff --git a/arch/m68k/include/uapi/asm/bootinfo.h b/arch/m68k/include/uapi/asm/bootinfo.h
new file mode 100644
index 00000000000..cdeb26a015b
--- /dev/null
+++ b/arch/m68k/include/uapi/asm/bootinfo.h
@@ -0,0 +1,174 @@
+/*
+ * asm/bootinfo.h -- Definition of the Linux/m68k boot information structure
+ *
+ * Copyright 1992 by Greg Harp
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+
+#ifndef _UAPI_ASM_M68K_BOOTINFO_H
+#define _UAPI_ASM_M68K_BOOTINFO_H
+
+
+#include <linux/types.h>
+
+
+#ifndef __ASSEMBLY__
+
+ /*
+ * Bootinfo definitions
+ *
+ * This is an easily parsable and extendable structure containing all
+ * information to be passed from the bootstrap to the kernel.
+ *
+ * This way I hope to keep all future changes back/forewards compatible.
+ * Thus, keep your fingers crossed...
+ *
+ * This structure is copied right after the kernel by the bootstrap
+ * routine.
+ */
+
+struct bi_record {
+ __be16 tag; /* tag ID */
+ __be16 size; /* size of record (in bytes) */
+ __be32 data[0]; /* data */
+};
+
+
+struct mem_info {
+ __be32 addr; /* physical address of memory chunk */
+ __be32 size; /* length of memory chunk (in bytes) */
+};
+
+#endif /* __ASSEMBLY__ */
+
+
+ /*
+ * Tag Definitions
+ *
+ * Machine independent tags start counting from 0x0000
+ * Machine dependent tags start counting from 0x8000
+ */
+
+#define BI_LAST 0x0000 /* last record (sentinel) */
+#define BI_MACHTYPE 0x0001 /* machine type (__be32) */
+#define BI_CPUTYPE 0x0002 /* cpu type (__be32) */
+#define BI_FPUTYPE 0x0003 /* fpu type (__be32) */
+#define BI_MMUTYPE 0x0004 /* mmu type (__be32) */
+#define BI_MEMCHUNK 0x0005 /* memory chunk address and size */
+ /* (struct mem_info) */
+#define BI_RAMDISK 0x0006 /* ramdisk address and size */
+ /* (struct mem_info) */
+#define BI_COMMAND_LINE 0x0007 /* kernel command line parameters */
+ /* (string) */
+
+
+ /*
+ * Linux/m68k Architectures (BI_MACHTYPE)
+ */
+
+#define MACH_AMIGA 1
+#define MACH_ATARI 2
+#define MACH_MAC 3
+#define MACH_APOLLO 4
+#define MACH_SUN3 5
+#define MACH_MVME147 6
+#define MACH_MVME16x 7
+#define MACH_BVME6000 8
+#define MACH_HP300 9
+#define MACH_Q40 10
+#define MACH_SUN3X 11
+#define MACH_M54XX 12
+
+
+ /*
+ * CPU, FPU and MMU types (BI_CPUTYPE, BI_FPUTYPE, BI_MMUTYPE)
+ *
+ * Note: we may rely on the following equalities:
+ *
+ * CPU_68020 == MMU_68851
+ * CPU_68030 == MMU_68030
+ * CPU_68040 == FPU_68040 == MMU_68040
+ * CPU_68060 == FPU_68060 == MMU_68060
+ */
+
+#define CPUB_68020 0
+#define CPUB_68030 1
+#define CPUB_68040 2
+#define CPUB_68060 3
+#define CPUB_COLDFIRE 4
+
+#define CPU_68020 (1 << CPUB_68020)
+#define CPU_68030 (1 << CPUB_68030)
+#define CPU_68040 (1 << CPUB_68040)
+#define CPU_68060 (1 << CPUB_68060)
+#define CPU_COLDFIRE (1 << CPUB_COLDFIRE)
+
+#define FPUB_68881 0
+#define FPUB_68882 1
+#define FPUB_68040 2 /* Internal FPU */
+#define FPUB_68060 3 /* Internal FPU */
+#define FPUB_SUNFPA 4 /* Sun-3 FPA */
+#define FPUB_COLDFIRE 5 /* ColdFire FPU */
+
+#define FPU_68881 (1 << FPUB_68881)
+#define FPU_68882 (1 << FPUB_68882)
+#define FPU_68040 (1 << FPUB_68040)
+#define FPU_68060 (1 << FPUB_68060)
+#define FPU_SUNFPA (1 << FPUB_SUNFPA)
+#define FPU_COLDFIRE (1 << FPUB_COLDFIRE)
+
+#define MMUB_68851 0
+#define MMUB_68030 1 /* Internal MMU */
+#define MMUB_68040 2 /* Internal MMU */
+#define MMUB_68060 3 /* Internal MMU */
+#define MMUB_APOLLO 4 /* Custom Apollo */
+#define MMUB_SUN3 5 /* Custom Sun-3 */
+#define MMUB_COLDFIRE 6 /* Internal MMU */
+
+#define MMU_68851 (1 << MMUB_68851)
+#define MMU_68030 (1 << MMUB_68030)
+#define MMU_68040 (1 << MMUB_68040)
+#define MMU_68060 (1 << MMUB_68060)
+#define MMU_SUN3 (1 << MMUB_SUN3)
+#define MMU_APOLLO (1 << MMUB_APOLLO)
+#define MMU_COLDFIRE (1 << MMUB_COLDFIRE)
+
+
+ /*
+ * Stuff for bootinfo interface versioning
+ *
+ * At the start of kernel code, a 'struct bootversion' is located.
+ * bootstrap checks for a matching version of the interface before booting
+ * a kernel, to avoid user confusion if kernel and bootstrap don't work
+ * together :-)
+ *
+ * If incompatible changes are made to the bootinfo interface, the major
+ * number below should be stepped (and the minor reset to 0) for the
+ * appropriate machine. If a change is backward-compatible, the minor
+ * should be stepped. "Backwards-compatible" means that booting will work,
+ * but certain features may not.
+ */
+
+#define BOOTINFOV_MAGIC 0x4249561A /* 'BIV^Z' */
+#define MK_BI_VERSION(major, minor) (((major) << 16) + (minor))
+#define BI_VERSION_MAJOR(v) (((v) >> 16) & 0xffff)
+#define BI_VERSION_MINOR(v) ((v) & 0xffff)
+
+#ifndef __ASSEMBLY__
+
+struct bootversion {
+ __be16 branch;
+ __be32 magic;
+ struct {
+ __be32 machtype;
+ __be32 version;
+ } machversions[0];
+} __packed;
+
+#endif /* __ASSEMBLY__ */
+
+
+#endif /* _UAPI_ASM_M68K_BOOTINFO_H */
diff --git a/arch/m68k/include/uapi/asm/setup.h b/arch/m68k/include/uapi/asm/setup.h
index 85579bff455..6a6dc636761 100644
--- a/arch/m68k/include/uapi/asm/setup.h
+++ b/arch/m68k/include/uapi/asm/setup.h
@@ -6,98 +6,11 @@
** This file is subject to the terms and conditions of the GNU General Public
** License. See the file COPYING in the main directory of this archive
** for more details.
-**
-** Created 09/29/92 by Greg Harp
-**
-** 5/2/94 Roman Hodek:
-** Added bi_atari part of the machine dependent union bi_un; for now it
-** contains just a model field to distinguish between TT and Falcon.
-** 26/7/96 Roman Zippel:
-** Renamed to setup.h; added some useful macros to allow gcc some
-** optimizations if possible.
-** 5/10/96 Geert Uytterhoeven:
-** Redesign of the boot information structure; moved boot information
-** structure to bootinfo.h
*/
#ifndef _UAPI_M68K_SETUP_H
#define _UAPI_M68K_SETUP_H
-
-
- /*
- * Linux/m68k Architectures
- */
-
-#define MACH_AMIGA 1
-#define MACH_ATARI 2
-#define MACH_MAC 3
-#define MACH_APOLLO 4
-#define MACH_SUN3 5
-#define MACH_MVME147 6
-#define MACH_MVME16x 7
-#define MACH_BVME6000 8
-#define MACH_HP300 9
-#define MACH_Q40 10
-#define MACH_SUN3X 11
-#define MACH_M54XX 12
-
#define COMMAND_LINE_SIZE 256
-
-
- /*
- * CPU, FPU and MMU types
- *
- * Note: we may rely on the following equalities:
- *
- * CPU_68020 == MMU_68851
- * CPU_68030 == MMU_68030
- * CPU_68040 == FPU_68040 == MMU_68040
- * CPU_68060 == FPU_68060 == MMU_68060
- */
-
-#define CPUB_68020 0
-#define CPUB_68030 1
-#define CPUB_68040 2
-#define CPUB_68060 3
-#define CPUB_COLDFIRE 4
-
-#define CPU_68020 (1<<CPUB_68020)
-#define CPU_68030 (1<<CPUB_68030)
-#define CPU_68040 (1<<CPUB_68040)
-#define CPU_68060 (1<<CPUB_68060)
-#define CPU_COLDFIRE (1<<CPUB_COLDFIRE)
-
-#define FPUB_68881 0
-#define FPUB_68882 1
-#define FPUB_68040 2 /* Internal FPU */
-#define FPUB_68060 3 /* Internal FPU */
-#define FPUB_SUNFPA 4 /* Sun-3 FPA */
-#define FPUB_COLDFIRE 5 /* ColdFire FPU */
-
-#define FPU_68881 (1<<FPUB_68881)
-#define FPU_68882 (1<<FPUB_68882)
-#define FPU_68040 (1<<FPUB_68040)
-#define FPU_68060 (1<<FPUB_68060)
-#define FPU_SUNFPA (1<<FPUB_SUNFPA)
-#define FPU_COLDFIRE (1<<FPUB_COLDFIRE)
-
-#define MMUB_68851 0
-#define MMUB_68030 1 /* Internal MMU */
-#define MMUB_68040 2 /* Internal MMU */
-#define MMUB_68060 3 /* Internal MMU */
-#define MMUB_APOLLO 4 /* Custom Apollo */
-#define MMUB_SUN3 5 /* Custom Sun-3 */
-#define MMUB_COLDFIRE 6 /* Internal MMU */
-
-#define MMU_68851 (1<<MMUB_68851)
-#define MMU_68030 (1<<MMUB_68030)
-#define MMU_68040 (1<<MMUB_68040)
-#define MMU_68060 (1<<MMUB_68060)
-#define MMU_SUN3 (1<<MMUB_SUN3)
-#define MMU_APOLLO (1<<MMUB_APOLLO)
-#define MMU_COLDFIRE (1<<MMUB_COLDFIRE)
-
-
#endif /* _UAPI_M68K_SETUP_H */
diff --git a/arch/m68k/kernel/Makefile b/arch/m68k/kernel/Makefile
index 655347d8078..2d5d9be1627 100644
--- a/arch/m68k/kernel/Makefile
+++ b/arch/m68k/kernel/Makefile
@@ -22,3 +22,6 @@ obj-$(CONFIG_PCI) += pcibios.o
obj-$(CONFIG_HAS_DMA) += dma.o
+obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o
+obj-$(CONFIG_BOOTINFO_PROC) += bootinfo_proc.o
+
diff --git a/arch/m68k/kernel/asm-offsets.c b/arch/m68k/kernel/asm-offsets.c
index 8b7b2284636..3a386341aa6 100644
--- a/arch/m68k/kernel/asm-offsets.c
+++ b/arch/m68k/kernel/asm-offsets.c
@@ -98,6 +98,9 @@ int main(void)
DEFINE(CIABBASE, &ciab);
DEFINE(C_PRA, offsetof(struct CIA, pra));
DEFINE(ZTWOBASE, zTwoBase);
+
+ /* enum m68k_fixup_type */
+ DEFINE(M68K_FIXUP_MEMOFFSET, m68k_fixup_memoffset);
#endif
return 0;
diff --git a/arch/m68k/kernel/bootinfo_proc.c b/arch/m68k/kernel/bootinfo_proc.c
new file mode 100644
index 00000000000..7ee853e1432
--- /dev/null
+++ b/arch/m68k/kernel/bootinfo_proc.c
@@ -0,0 +1,80 @@
+/*
+ * Based on arch/arm/kernel/atags_proc.c
+ */
+
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/printk.h>
+#include <linux/proc_fs.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+
+#include <asm/bootinfo.h>
+#include <asm/byteorder.h>
+
+
+static char bootinfo_tmp[1536] __initdata;
+
+static void *bootinfo_copy;
+static size_t bootinfo_size;
+
+static ssize_t bootinfo_read(struct file *file, char __user *buf,
+ size_t count, loff_t *ppos)
+{
+ return simple_read_from_buffer(buf, count, ppos, bootinfo_copy,
+ bootinfo_size);
+}
+
+static const struct file_operations bootinfo_fops = {
+ .read = bootinfo_read,
+ .llseek = default_llseek,
+};
+
+void __init save_bootinfo(const struct bi_record *bi)
+{
+ const void *start = bi;
+ size_t size = sizeof(bi->tag);
+
+ while (be16_to_cpu(bi->tag) != BI_LAST) {
+ uint16_t n = be16_to_cpu(bi->size);
+ size += n;
+ bi = (struct bi_record *)((unsigned long)bi + n);
+ }
+
+ if (size > sizeof(bootinfo_tmp)) {
+ pr_err("Cannot save %zu bytes of bootinfo\n", size);
+ return;
+ }
+
+ pr_info("Saving %zu bytes of bootinfo\n", size);
+ memcpy(bootinfo_tmp, start, size);
+ bootinfo_size = size;
+}
+
+static int __init init_bootinfo_procfs(void)
+{
+ /*
+ * This cannot go into save_bootinfo() because kmalloc and proc don't
+ * work yet when it is called.
+ */
+ struct proc_dir_entry *pde;
+
+ if (!bootinfo_size)
+ return -EINVAL;
+
+ bootinfo_copy = kmalloc(bootinfo_size, GFP_KERNEL);
+ if (!bootinfo_copy)
+ return -ENOMEM;
+
+ memcpy(bootinfo_copy, bootinfo_tmp, bootinfo_size);
+
+ pde = proc_create_data("bootinfo", 0400, NULL, &bootinfo_fops, NULL);
+ if (!pde) {
+ kfree(bootinfo_copy);
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+arch_initcall(init_bootinfo_procfs);
diff --git a/arch/m68k/kernel/head.S b/arch/m68k/kernel/head.S
index ac85f16534a..4c99bab7e66 100644
--- a/arch/m68k/kernel/head.S
+++ b/arch/m68k/kernel/head.S
@@ -23,7 +23,7 @@
** 98/04/25 Phil Blundell: added HP300 support
** 1998/08/30 David Kilzer: Added support for font_desc structures
** for linux-2.1.115
-** 9/02/11 Richard Zidlicky: added Q40 support (initial vesion 99/01/01)
+** 1999/02/11 Richard Zidlicky: added Q40 support (initial version 99/01/01)
** 2004/05/13 Kars de Jong: Finalised HP300 support
**
** This file is subject to the terms and conditions of the GNU General Public
@@ -257,6 +257,12 @@
#include <linux/linkage.h>
#include <linux/init.h>
#include <asm/bootinfo.h>
+#include <asm/bootinfo-amiga.h>
+#include <asm/bootinfo-atari.h>
+#include <asm/bootinfo-hp300.h>
+#include <asm/bootinfo-mac.h>
+#include <asm/bootinfo-q40.h>
+#include <asm/bootinfo-vme.h>
#include <asm/setup.h>
#include <asm/entry.h>
#include <asm/pgtable.h>
@@ -1532,7 +1538,7 @@ L(cache_done):
/*
* Find a tag record in the bootinfo structure
- * The bootinfo structure is located right after the kernel bss
+ * The bootinfo structure is located right after the kernel
* Returns: d0: size (-1 if not found)
* a0: data pointer (end-of-records if not found)
*/
@@ -2909,7 +2915,9 @@ func_start serial_init,%d0/%d1/%a0/%a1
#if defined(MAC_USE_SCC_A) || defined(MAC_USE_SCC_B)
movel %pc@(L(mac_sccbase)),%a0
- /* Reset SCC device */
+ /* Reset SCC register pointer */
+ moveb %a0@(mac_scc_cha_a_ctrl_offset),%d0
+ /* Reset SCC device: write register pointer then register value */
moveb #9,%a0@(mac_scc_cha_a_ctrl_offset)
moveb #0xc0,%a0@(mac_scc_cha_a_ctrl_offset)
/* Wait for 5 PCLK cycles, which is about 68 CPU cycles */
@@ -3896,8 +3904,6 @@ BVME_SCC_DATA_A = 0xffb0000f
#endif
#if defined(CONFIG_MAC)
-L(mac_booter_data):
- .long 0
L(mac_videobase):
.long 0
L(mac_videodepth):
diff --git a/arch/m68k/kernel/machine_kexec.c b/arch/m68k/kernel/machine_kexec.c
new file mode 100644
index 00000000000..d4affc917d9
--- /dev/null
+++ b/arch/m68k/kernel/machine_kexec.c
@@ -0,0 +1,58 @@
+/*
+ * machine_kexec.c - handle transition of Linux booting another kernel
+ */
+#include <linux/compiler.h>
+#include <linux/kexec.h>
+#include <linux/mm.h>
+#include <linux/delay.h>
+
+#include <asm/cacheflush.h>
+#include <asm/page.h>
+#include <asm/setup.h>
+
+extern const unsigned char relocate_new_kernel[];
+extern const size_t relocate_new_kernel_size;
+
+int machine_kexec_prepare(struct kimage *kimage)
+{
+ return 0;
+}
+
+void machine_kexec_cleanup(struct kimage *kimage)
+{
+}
+
+void machine_shutdown(void)
+{
+}
+
+void machine_crash_shutdown(struct pt_regs *regs)
+{
+}
+
+typedef void (*relocate_kernel_t)(unsigned long ptr,
+ unsigned long start,
+ unsigned long cpu_mmu_flags) __noreturn;
+
+void machine_kexec(struct kimage *image)
+{
+ void *reboot_code_buffer;
+ unsigned long cpu_mmu_flags;
+
+ reboot_code_buffer = page_address(image->control_code_page);
+
+ memcpy(reboot_code_buffer, relocate_new_kernel,
+ relocate_new_kernel_size);
+
+ /*
+ * we do not want to be bothered.
+ */
+ local_irq_disable();
+
+ pr_info("Will call new kernel at 0x%08lx. Bye...\n", image->start);
+ __flush_cache_all();
+ cpu_mmu_flags = m68k_cputype | m68k_mmutype << 8;
+ ((relocate_kernel_t) reboot_code_buffer)(image->head & PAGE_MASK,
+ image->start,
+ cpu_mmu_flags);
+}
diff --git a/arch/m68k/kernel/relocate_kernel.S b/arch/m68k/kernel/relocate_kernel.S
new file mode 100644
index 00000000000..3e09a89067a
--- /dev/null
+++ b/arch/m68k/kernel/relocate_kernel.S
@@ -0,0 +1,159 @@
+#include <linux/linkage.h>
+
+#include <asm/asm-offsets.h>
+#include <asm/page.h>
+#include <asm/setup.h>
+
+
+#define MMU_BASE 8 /* MMU flags base in cpu_mmu_flags */
+
+.text
+
+ENTRY(relocate_new_kernel)
+ movel %sp@(4),%a0 /* a0 = ptr */
+ movel %sp@(8),%a1 /* a1 = start */
+ movel %sp@(12),%d1 /* d1 = cpu_mmu_flags */
+ movew #PAGE_MASK,%d2 /* d2 = PAGE_MASK */
+
+ /* Disable MMU */
+
+ btst #MMU_BASE + MMUB_68851,%d1
+ jeq 3f
+
+1: /* 68851 or 68030 */
+
+ lea %pc@(.Lcopy),%a4
+2: addl #0x00000000,%a4 /* virt_to_phys() */
+
+ .section ".m68k_fixup","aw"
+ .long M68K_FIXUP_MEMOFFSET, 2b+2
+ .previous
+
+ .chip 68030
+ pmove %tc,%d0 /* Disable MMU */
+ bclr #7,%d0
+ pmove %d0,%tc
+ jmp %a4@ /* Jump to physical .Lcopy */
+ .chip 68k
+
+3:
+ btst #MMU_BASE + MMUB_68030,%d1
+ jne 1b
+
+ btst #MMU_BASE + MMUB_68040,%d1
+ jeq 6f
+
+4: /* 68040 or 68060 */
+
+ lea %pc@(.Lcont040),%a4
+5: addl #0x00000000,%a4 /* virt_to_phys() */
+
+ .section ".m68k_fixup","aw"
+ .long M68K_FIXUP_MEMOFFSET, 5b+2
+ .previous
+
+ movel %a4,%d0
+ andl #0xff000000,%d0
+ orw #0xe020,%d0 /* Map 16 MiB, enable, cacheable */
+ .chip 68040
+ movec %d0,%itt0
+ movec %d0,%dtt0
+ .chip 68k
+ jmp %a4@ /* Jump to physical .Lcont040 */
+
+.Lcont040:
+ moveq #0,%d0
+ .chip 68040
+ movec %d0,%tc /* Disable MMU */
+ movec %d0,%itt0
+ movec %d0,%itt1
+ movec %d0,%dtt0
+ movec %d0,%dtt1
+ .chip 68k
+ jra .Lcopy
+
+6:
+ btst #MMU_BASE + MMUB_68060,%d1
+ jne 4b
+
+.Lcopy:
+ movel %a0@+,%d0 /* d0 = entry = *ptr */
+ jeq .Lflush
+
+ btst #2,%d0 /* entry & IND_DONE? */
+ jne .Lflush
+
+ btst #1,%d0 /* entry & IND_INDIRECTION? */
+ jeq 1f
+ andw %d2,%d0
+ movel %d0,%a0 /* ptr = entry & PAGE_MASK */
+ jra .Lcopy
+
+1:
+ btst #0,%d0 /* entry & IND_DESTINATION? */
+ jeq 2f
+ andw %d2,%d0
+ movel %d0,%a2 /* a2 = dst = entry & PAGE_MASK */
+ jra .Lcopy
+
+2:
+ btst #3,%d0 /* entry & IND_SOURCE? */
+ jeq .Lcopy
+
+ andw %d2,%d0
+ movel %d0,%a3 /* a3 = src = entry & PAGE_MASK */
+ movew #PAGE_SIZE/32 - 1,%d0 /* d0 = PAGE_SIZE/32 - 1 */
+3:
+ movel %a3@+,%a2@+ /* *dst++ = *src++ */
+ movel %a3@+,%a2@+ /* *dst++ = *src++ */
+ movel %a3@+,%a2@+ /* *dst++ = *src++ */
+ movel %a3@+,%a2@+ /* *dst++ = *src++ */
+ movel %a3@+,%a2@+ /* *dst++ = *src++ */
+ movel %a3@+,%a2@+ /* *dst++ = *src++ */
+ movel %a3@+,%a2@+ /* *dst++ = *src++ */
+ movel %a3@+,%a2@+ /* *dst++ = *src++ */
+ dbf %d0, 3b
+ jra .Lcopy
+
+.Lflush:
+ /* Flush all caches */
+
+ btst #CPUB_68020,%d1
+ jeq 2f
+
+1: /* 68020 or 68030 */
+ .chip 68030
+ movec %cacr,%d0
+ orw #0x808,%d0
+ movec %d0,%cacr
+ .chip 68k
+ jra .Lreincarnate
+
+2:
+ btst #CPUB_68030,%d1
+ jne 1b
+
+ btst #CPUB_68040,%d1
+ jeq 4f
+
+3: /* 68040 or 68060 */
+ .chip 68040
+ nop
+ cpusha %bc
+ nop
+ cinva %bc
+ nop
+ .chip 68k
+ jra .Lreincarnate
+
+4:
+ btst #CPUB_68060,%d1
+ jne 3b
+
+.Lreincarnate:
+ jmp %a1@
+
+relocate_new_kernel_end:
+
+ENTRY(relocate_new_kernel_size)
+ .long relocate_new_kernel_end - relocate_new_kernel
diff --git a/arch/m68k/kernel/setup_mm.c b/arch/m68k/kernel/setup_mm.c
index e67e5315957..5b8ec4d5f8e 100644
--- a/arch/m68k/kernel/setup_mm.c
+++ b/arch/m68k/kernel/setup_mm.c
@@ -26,6 +26,7 @@
#include <linux/initrd.h>
#include <asm/bootinfo.h>
+#include <asm/byteorder.h>
#include <asm/sections.h>
#include <asm/setup.h>
#include <asm/fpu.h>
@@ -71,12 +72,12 @@ EXPORT_SYMBOL(m68k_num_memory);
int m68k_realnum_memory;
EXPORT_SYMBOL(m68k_realnum_memory);
unsigned long m68k_memoffset;
-struct mem_info m68k_memory[NUM_MEMINFO];
+struct m68k_mem_info m68k_memory[NUM_MEMINFO];
EXPORT_SYMBOL(m68k_memory);
-struct mem_info m68k_ramdisk;
+static struct m68k_mem_info m68k_ramdisk __initdata;
-static char m68k_command_line[CL_SIZE];
+static char m68k_command_line[CL_SIZE] __initdata;
void (*mach_sched_init) (irq_handler_t handler) __initdata = NULL;
/* machine dependent irq functions */
@@ -143,11 +144,16 @@ extern void paging_init(void);
static void __init m68k_parse_bootinfo(const struct bi_record *record)
{
- while (record->tag != BI_LAST) {
+ uint16_t tag;
+
+ save_bootinfo(record);
+
+ while ((tag = be16_to_cpu(record->tag)) != BI_LAST) {
int unknown = 0;
- const unsigned long *data = record->data;
+ const void *data = record->data;
+ uint16_t size = be16_to_cpu(record->size);
- switch (record->tag) {
+ switch (tag) {
case BI_MACHTYPE:
case BI_CPUTYPE:
case BI_FPUTYPE:
@@ -157,20 +163,27 @@ static void __init m68k_parse_bootinfo(const struct bi_record *record)
case BI_MEMCHUNK:
if (m68k_num_memory < NUM_MEMINFO) {
- m68k_memory[m68k_num_memory].addr = data[0];
- m68k_memory[m68k_num_memory].size = data[1];
+ const struct mem_info *m = data;
+ m68k_memory[m68k_num_memory].addr =
+ be32_to_cpu(m->addr);
+ m68k_memory[m68k_num_memory].size =
+ be32_to_cpu(m->size);
m68k_num_memory++;
} else
- printk("m68k_parse_bootinfo: too many memory chunks\n");
+ pr_warn("%s: too many memory chunks\n",
+ __func__);
break;
case BI_RAMDISK:
- m68k_ramdisk.addr = data[0];
- m68k_ramdisk.size = data[1];
+ {
+ const struct mem_info *m = data;
+ m68k_ramdisk.addr = be32_to_cpu(m->addr);
+ m68k_ramdisk.size = be32_to_cpu(m->size);
+ }
break;
case BI_COMMAND_LINE:
- strlcpy(m68k_command_line, (const char *)data,
+ strlcpy(m68k_command_line, data,
sizeof(m68k_command_line));
break;
@@ -197,17 +210,16 @@ static void __init m68k_parse_bootinfo(const struct bi_record *record)
unknown = 1;
}
if (unknown)
- printk("m68k_parse_bootinfo: unknown tag 0x%04x ignored\n",
- record->tag);
- record = (struct bi_record *)((unsigned long)record +
- record->size);
+ pr_warn("%s: unknown tag 0x%04x ignored\n", __func__,
+ tag);
+ record = (struct bi_record *)((unsigned long)record + size);
}
m68k_realnum_memory = m68k_num_memory;
#ifdef CONFIG_SINGLE_MEMORY_CHUNK
if (m68k_num_memory > 1) {
- printk("Ignoring last %i chunks of physical memory\n",
- (m68k_num_memory - 1));
+ pr_warn("%s: ignoring last %i chunks of physical memory\n",
+ __func__, (m68k_num_memory - 1));
m68k_num_memory = 1;
}
#endif
@@ -219,7 +231,7 @@ void __init setup_arch(char **cmdline_p)
int i;
#endif
- /* The bootinfo is located right after the kernel bss */
+ /* The bootinfo is located right after the kernel */
if (!CPU_IS_COLDFIRE)
m68k_parse_bootinfo((const struct bi_record *)_end);
@@ -247,7 +259,7 @@ void __init setup_arch(char **cmdline_p)
asm (".chip 68060; movec %%pcr,%0; .chip 68k"
: "=d" (pcr));
if (((pcr >> 8) & 0xff) <= 5) {
- printk("Enabling workaround for errata I14\n");
+ pr_warn("Enabling workaround for errata I14\n");
asm (".chip 68060; movec %0,%%pcr; .chip 68k"
: : "d" (pcr | 0x20));
}
@@ -336,12 +348,12 @@ void __init setup_arch(char **cmdline_p)
panic("No configuration setup");
}
+ paging_init();
+
#ifdef CONFIG_NATFEAT
nf_init();
#endif
- paging_init();
-
#ifndef CONFIG_SUN3
for (i = 1; i < m68k_num_memory; i++)
free_bootmem_node(NODE_DATA(i), m68k_memory[i].addr,
@@ -353,7 +365,7 @@ void __init setup_arch(char **cmdline_p)
BOOTMEM_DEFAULT);
initrd_start = (unsigned long)phys_to_virt(m68k_ramdisk.addr);
initrd_end = initrd_start + m68k_ramdisk.size;
- printk("initrd: %08lx - %08lx\n", initrd_start, initrd_end);
+ pr_info("initrd: %08lx - %08lx\n", initrd_start, initrd_end);
}
#endif
@@ -538,9 +550,9 @@ void check_bugs(void)
{
#ifndef CONFIG_M68KFPU_EMU
if (m68k_fputype == 0) {
- printk(KERN_EMERG "*** YOU DO NOT HAVE A FLOATING POINT UNIT, "
+ pr_emerg("*** YOU DO NOT HAVE A FLOATING POINT UNIT, "
"WHICH IS REQUIRED BY LINUX/M68K ***\n");
- printk(KERN_EMERG "Upgrade your hardware or join the FPU "
+ pr_emerg("Upgrade your hardware or join the FPU "
"emulation project\n");
panic("no FPU");
}
diff --git a/arch/m68k/kernel/time.c b/arch/m68k/kernel/time.c
index 7eb9792009f..958f1adb9d0 100644
--- a/arch/m68k/kernel/time.c
+++ b/arch/m68k/kernel/time.c
@@ -28,6 +28,10 @@
#include <linux/timex.h>
#include <linux/profile.h>
+
+unsigned long (*mach_random_get_entropy)(void);
+
+
/*
* timer_interrupt() needs to keep up the real-time clock,
* as well as call the "xtime_update()" routine every clocktick
diff --git a/arch/m68k/kernel/traps.c b/arch/m68k/kernel/traps.c
index 88fcd8c70e7..6c9ca24830e 100644
--- a/arch/m68k/kernel/traps.c
+++ b/arch/m68k/kernel/traps.c
@@ -133,9 +133,7 @@ static inline void access_error060 (struct frame *fp)
{
unsigned long fslw = fp->un.fmt4.pc; /* is really FSLW for access error */
-#ifdef DEBUG
- printk("fslw=%#lx, fa=%#lx\n", fslw, fp->un.fmt4.effaddr);
-#endif
+ pr_debug("fslw=%#lx, fa=%#lx\n", fslw, fp->un.fmt4.effaddr);
if (fslw & MMU060_BPE) {
/* branch prediction error -> clear branch cache */
@@ -162,9 +160,7 @@ static inline void access_error060 (struct frame *fp)
}
if (fslw & MMU060_W)
errorcode |= 2;
-#ifdef DEBUG
- printk("errorcode = %d\n", errorcode );
-#endif
+ pr_debug("errorcode = %ld\n", errorcode);
do_page_fault(&fp->ptregs, addr, errorcode);
} else if (fslw & (MMU060_SEE)){
/* Software Emulation Error.
@@ -173,8 +169,9 @@ static inline void access_error060 (struct frame *fp)
send_fault_sig(&fp->ptregs);
} else if (!(fslw & (MMU060_RE|MMU060_WE)) ||
send_fault_sig(&fp->ptregs) > 0) {
- printk("pc=%#lx, fa=%#lx\n", fp->ptregs.pc, fp->un.fmt4.effaddr);
- printk( "68060 access error, fslw=%lx\n", fslw );
+ pr_err("pc=%#lx, fa=%#lx\n", fp->ptregs.pc,
+ fp->un.fmt4.effaddr);
+ pr_err("68060 access error, fslw=%lx\n", fslw);
trap_c( fp );
}
}
@@ -225,9 +222,7 @@ static inline int do_040writeback1(unsigned short wbs, unsigned long wba,
set_fs(old_fs);
-#ifdef DEBUG
- printk("do_040writeback1, res=%d\n",res);
-#endif
+ pr_debug("do_040writeback1, res=%d\n", res);
return res;
}
@@ -249,7 +244,7 @@ static inline void do_040writebacks(struct frame *fp)
int res = 0;
#if 0
if (fp->un.fmt7.wb1s & WBV_040)
- printk("access_error040: cannot handle 1st writeback. oops.\n");
+ pr_err("access_error040: cannot handle 1st writeback. oops.\n");
#endif
if ((fp->un.fmt7.wb2s & WBV_040) &&
@@ -302,14 +297,12 @@ static inline void access_error040(struct frame *fp)
unsigned short ssw = fp->un.fmt7.ssw;
unsigned long mmusr;
-#ifdef DEBUG
- printk("ssw=%#x, fa=%#lx\n", ssw, fp->un.fmt7.faddr);
- printk("wb1s=%#x, wb2s=%#x, wb3s=%#x\n", fp->un.fmt7.wb1s,
+ pr_debug("ssw=%#x, fa=%#lx\n", ssw, fp->un.fmt7.faddr);
+ pr_debug("wb1s=%#x, wb2s=%#x, wb3s=%#x\n", fp->un.fmt7.wb1s,
fp->un.fmt7.wb2s, fp->un.fmt7.wb3s);
- printk ("wb2a=%lx, wb3a=%lx, wb2d=%lx, wb3d=%lx\n",
+ pr_debug("wb2a=%lx, wb3a=%lx, wb2d=%lx, wb3d=%lx\n",
fp->un.fmt7.wb2a, fp->un.fmt7.wb3a,
fp->un.fmt7.wb2d, fp->un.fmt7.wb3d);
-#endif
if (ssw & ATC_040) {
unsigned long addr = fp->un.fmt7.faddr;
@@ -324,9 +317,7 @@ static inline void access_error040(struct frame *fp)
/* MMU error, get the MMUSR info for this access */
mmusr = probe040(!(ssw & RW_040), addr, ssw);
-#ifdef DEBUG
- printk("mmusr = %lx\n", mmusr);
-#endif
+ pr_debug("mmusr = %lx\n", mmusr);
errorcode = 1;
if (!(mmusr & MMU_R_040)) {
/* clear the invalid atc entry */
@@ -340,14 +331,10 @@ static inline void access_error040(struct frame *fp)
errorcode |= 2;
if (do_page_fault(&fp->ptregs, addr, errorcode)) {
-#ifdef DEBUG
- printk("do_page_fault() !=0\n");
-#endif
+ pr_debug("do_page_fault() !=0\n");
if (user_mode(&fp->ptregs)){
/* delay writebacks after signal delivery */
-#ifdef DEBUG
- printk(".. was usermode - return\n");
-#endif
+ pr_debug(".. was usermode - return\n");
return;
}
/* disable writeback into user space from kernel
@@ -355,9 +342,7 @@ static inline void access_error040(struct frame *fp)
* the writeback won't do good)
*/
disable_wb:
-#ifdef DEBUG
- printk(".. disabling wb2\n");
-#endif
+ pr_debug(".. disabling wb2\n");
if (fp->un.fmt7.wb2a == fp->un.fmt7.faddr)
fp->un.fmt7.wb2s &= ~WBV_040;
if (fp->un.fmt7.wb3a == fp->un.fmt7.faddr)
@@ -371,7 +356,7 @@ disable_wb:
current->thread.signo = SIGBUS;
current->thread.faddr = fp->un.fmt7.faddr;
if (send_fault_sig(&fp->ptregs) >= 0)
- printk("68040 bus error (ssw=%x, faddr=%lx)\n", ssw,
+ pr_err("68040 bus error (ssw=%x, faddr=%lx)\n", ssw,
fp->un.fmt7.faddr);
goto disable_wb;
}
@@ -394,19 +379,17 @@ static inline void bus_error030 (struct frame *fp)
unsigned short ssw = fp->un.fmtb.ssw;
extern unsigned long _sun3_map_test_start, _sun3_map_test_end;
-#ifdef DEBUG
if (ssw & (FC | FB))
- printk ("Instruction fault at %#010lx\n",
+ pr_debug("Instruction fault at %#010lx\n",
ssw & FC ?
fp->ptregs.format == 0xa ? fp->ptregs.pc + 2 : fp->un.fmtb.baddr - 2
:
fp->ptregs.format == 0xa ? fp->ptregs.pc + 4 : fp->un.fmtb.baddr);
if (ssw & DF)
- printk ("Data %s fault at %#010lx in %s (pc=%#lx)\n",
+ pr_debug("Data %s fault at %#010lx in %s (pc=%#lx)\n",
ssw & RW ? "read" : "write",
fp->un.fmtb.daddr,
space_names[ssw & DFC], fp->ptregs.pc);
-#endif
/*
* Check if this page should be demand-mapped. This needs to go before
@@ -429,7 +412,7 @@ static inline void bus_error030 (struct frame *fp)
return;
/* instruction fault or kernel data fault! */
if (ssw & (FC | FB))
- printk ("Instruction fault at %#010lx\n",
+ pr_err("Instruction fault at %#010lx\n",
fp->ptregs.pc);
if (ssw & DF) {
/* was this fault incurred testing bus mappings? */
@@ -439,12 +422,12 @@ static inline void bus_error030 (struct frame *fp)
return;
}
- printk ("Data %s fault at %#010lx in %s (pc=%#lx)\n",
+ pr_err("Data %s fault at %#010lx in %s (pc=%#lx)\n",
ssw & RW ? "read" : "write",
fp->un.fmtb.daddr,
space_names[ssw & DFC], fp->ptregs.pc);
}
- printk ("BAD KERNEL BUSERR\n");
+ pr_err("BAD KERNEL BUSERR\n");
die_if_kernel("Oops", &fp->ptregs,0);
force_sig(SIGKILL, current);
@@ -473,12 +456,11 @@ static inline void bus_error030 (struct frame *fp)
else if (buserr_type & SUN3_BUSERR_INVALID)
errorcode = 0x00;
else {
-#ifdef DEBUG
- printk ("*** unexpected busfault type=%#04x\n", buserr_type);
- printk ("invalid %s access at %#lx from pc %#lx\n",
- !(ssw & RW) ? "write" : "read", addr,
- fp->ptregs.pc);
-#endif
+ pr_debug("*** unexpected busfault type=%#04x\n",
+ buserr_type);
+ pr_debug("invalid %s access at %#lx from pc %#lx\n",
+ !(ssw & RW) ? "write" : "read", addr,
+ fp->ptregs.pc);
die_if_kernel ("Oops", &fp->ptregs, buserr_type);
force_sig (SIGBUS, current);
return;
@@ -509,9 +491,7 @@ static inline void bus_error030 (struct frame *fp)
if (!mmu_emu_handle_fault(addr, 1, 0))
do_page_fault (&fp->ptregs, addr, 0);
} else {
-#ifdef DEBUG
- printk ("protection fault on insn access (segv).\n");
-#endif
+ pr_debug("protection fault on insn access (segv).\n");
force_sig (SIGSEGV, current);
}
}
@@ -525,22 +505,22 @@ static inline void bus_error030 (struct frame *fp)
unsigned short ssw = fp->un.fmtb.ssw;
#ifdef DEBUG
unsigned long desc;
+#endif
- printk ("pid = %x ", current->pid);
- printk ("SSW=%#06x ", ssw);
+ pr_debug("pid = %x ", current->pid);
+ pr_debug("SSW=%#06x ", ssw);
if (ssw & (FC | FB))
- printk ("Instruction fault at %#010lx\n",
+ pr_debug("Instruction fault at %#010lx\n",
ssw & FC ?
fp->ptregs.format == 0xa ? fp->ptregs.pc + 2 : fp->un.fmtb.baddr - 2
:
fp->ptregs.format == 0xa ? fp->ptregs.pc + 4 : fp->un.fmtb.baddr);
if (ssw & DF)
- printk ("Data %s fault at %#010lx in %s (pc=%#lx)\n",
+ pr_debug("Data %s fault at %#010lx in %s (pc=%#lx)\n",
ssw & RW ? "read" : "write",
fp->un.fmtb.daddr,
space_names[ssw & DFC], fp->ptregs.pc);
-#endif
/* ++andreas: If a data fault and an instruction fault happen
at the same time map in both pages. */
@@ -554,27 +534,23 @@ static inline void bus_error030 (struct frame *fp)
"pmove %%psr,%1"
: "=a&" (desc), "=m" (temp)
: "a" (addr), "d" (ssw));
+ pr_debug("mmusr is %#x for addr %#lx in task %p\n",
+ temp, addr, current);
+ pr_debug("descriptor address is 0x%p, contents %#lx\n",
+ __va(desc), *(unsigned long *)__va(desc));
#else
asm volatile ("ptestr %2,%1@,#7\n\t"
"pmove %%psr,%0"
: "=m" (temp) : "a" (addr), "d" (ssw));
#endif
mmusr = temp;
-
-#ifdef DEBUG
- printk("mmusr is %#x for addr %#lx in task %p\n",
- mmusr, addr, current);
- printk("descriptor address is %#lx, contents %#lx\n",
- __va(desc), *(unsigned long *)__va(desc));
-#endif
-
errorcode = (mmusr & MMU_I) ? 0 : 1;
if (!(ssw & RW) || (ssw & RM))
errorcode |= 2;
if (mmusr & (MMU_I | MMU_WP)) {
if (ssw & 4) {
- printk("Data %s fault at %#010lx in %s (pc=%#lx)\n",
+ pr_err("Data %s fault at %#010lx in %s (pc=%#lx)\n",
ssw & RW ? "read" : "write",
fp->un.fmtb.daddr,
space_names[ssw & DFC], fp->ptregs.pc);
@@ -587,9 +563,10 @@ static inline void bus_error030 (struct frame *fp)
} else if (!(mmusr & MMU_I)) {
/* probably a 020 cas fault */
if (!(ssw & RM) && send_fault_sig(&fp->ptregs) > 0)
- printk("unexpected bus error (%#x,%#x)\n", ssw, mmusr);
+ pr_err("unexpected bus error (%#x,%#x)\n", ssw,
+ mmusr);
} else if (mmusr & (MMU_B|MMU_L|MMU_S)) {
- printk("invalid %s access at %#lx from pc %#lx\n",
+ pr_err("invalid %s access at %#lx from pc %#lx\n",
!(ssw & RW) ? "write" : "read", addr,
fp->ptregs.pc);
die_if_kernel("Oops",&fp->ptregs,mmusr);
@@ -600,7 +577,7 @@ static inline void bus_error030 (struct frame *fp)
static volatile long tlong;
#endif
- printk("weird %s access at %#lx from pc %#lx (ssw is %#x)\n",
+ pr_err("weird %s access at %#lx from pc %#lx (ssw is %#x)\n",
!(ssw & RW) ? "write" : "read", addr,
fp->ptregs.pc, ssw);
asm volatile ("ptestr #1,%1@,#0\n\t"
@@ -609,18 +586,16 @@ static inline void bus_error030 (struct frame *fp)
: "a" (addr));
mmusr = temp;
- printk ("level 0 mmusr is %#x\n", mmusr);
+ pr_err("level 0 mmusr is %#x\n", mmusr);
#if 0
asm volatile ("pmove %%tt0,%0"
: "=m" (tlong));
- printk("tt0 is %#lx, ", tlong);
+ pr_debug("tt0 is %#lx, ", tlong);
asm volatile ("pmove %%tt1,%0"
: "=m" (tlong));
- printk("tt1 is %#lx\n", tlong);
-#endif
-#ifdef DEBUG
- printk("Unknown SIGSEGV - 1\n");
+ pr_debug("tt1 is %#lx\n", tlong);
#endif
+ pr_debug("Unknown SIGSEGV - 1\n");
die_if_kernel("Oops",&fp->ptregs,mmusr);
force_sig(SIGSEGV, current);
return;
@@ -641,10 +616,9 @@ static inline void bus_error030 (struct frame *fp)
return;
if (fp->ptregs.sr & PS_S) {
- printk("Instruction fault at %#010lx\n",
- fp->ptregs.pc);
+ pr_err("Instruction fault at %#010lx\n", fp->ptregs.pc);
buserr:
- printk ("BAD KERNEL BUSERR\n");
+ pr_err("BAD KERNEL BUSERR\n");
die_if_kernel("Oops",&fp->ptregs,0);
force_sig(SIGKILL, current);
return;
@@ -668,28 +642,22 @@ static inline void bus_error030 (struct frame *fp)
"pmove %%psr,%1"
: "=a&" (desc), "=m" (temp)
: "a" (addr));
+ pr_debug("mmusr is %#x for addr %#lx in task %p\n",
+ temp, addr, current);
+ pr_debug("descriptor address is 0x%p, contents %#lx\n",
+ __va(desc), *(unsigned long *)__va(desc));
#else
asm volatile ("ptestr #1,%1@,#7\n\t"
"pmove %%psr,%0"
: "=m" (temp) : "a" (addr));
#endif
mmusr = temp;
-
-#ifdef DEBUG
- printk ("mmusr is %#x for addr %#lx in task %p\n",
- mmusr, addr, current);
- printk ("descriptor address is %#lx, contents %#lx\n",
- __va(desc), *(unsigned long *)__va(desc));
-#endif
-
if (mmusr & MMU_I)
do_page_fault (&fp->ptregs, addr, 0);
else if (mmusr & (MMU_B|MMU_L|MMU_S)) {
- printk ("invalid insn access at %#lx from pc %#lx\n",
+ pr_err("invalid insn access at %#lx from pc %#lx\n",
addr, fp->ptregs.pc);
-#ifdef DEBUG
- printk("Unknown SIGSEGV - 2\n");
-#endif
+ pr_debug("Unknown SIGSEGV - 2\n");
die_if_kernel("Oops",&fp->ptregs,mmusr);
force_sig(SIGSEGV, current);
return;
@@ -791,9 +759,7 @@ asmlinkage void buserr_c(struct frame *fp)
if (user_mode(&fp->ptregs))
current->thread.esp0 = (unsigned long) fp;
-#ifdef DEBUG
- printk ("*** Bus Error *** Format is %x\n", fp->ptregs.format);
-#endif
+ pr_debug("*** Bus Error *** Format is %x\n", fp->ptregs.format);
#if defined(CONFIG_COLDFIRE) && defined(CONFIG_MMU)
if (CPU_IS_COLDFIRE) {
@@ -836,9 +802,7 @@ asmlinkage void buserr_c(struct frame *fp)
#endif
default:
die_if_kernel("bad frame format",&fp->ptregs,0);
-#ifdef DEBUG
- printk("Unknown SIGSEGV - 4\n");
-#endif
+ pr_debug("Unknown SIGSEGV - 4\n");
force_sig(SIGSEGV, current);
}
}
@@ -852,7 +816,7 @@ void show_trace(unsigned long *stack)
unsigned long addr;
int i;
- printk("Call Trace:");
+ pr_info("Call Trace:");
addr = (unsigned long)stack + THREAD_SIZE - 1;
endstack = (unsigned long *)(addr & -THREAD_SIZE);
i = 0;
@@ -869,13 +833,13 @@ void show_trace(unsigned long *stack)
if (__kernel_text_address(addr)) {
#ifndef CONFIG_KALLSYMS
if (i % 5 == 0)
- printk("\n ");
+ pr_cont("\n ");
#endif
- printk(" [<%08lx>] %pS\n", addr, (void *)addr);
+ pr_cont(" [<%08lx>] %pS\n", addr, (void *)addr);
i++;
}
}
- printk("\n");
+ pr_cont("\n");
}
void show_registers(struct pt_regs *regs)
@@ -887,81 +851,87 @@ void show_registers(struct pt_regs *regs)
int i;
print_modules();
- printk("PC: [<%08lx>] %pS\n", regs->pc, (void *)regs->pc);
- printk("SR: %04x SP: %p a2: %08lx\n", regs->sr, regs, regs->a2);
- printk("d0: %08lx d1: %08lx d2: %08lx d3: %08lx\n",
+ pr_info("PC: [<%08lx>] %pS\n", regs->pc, (void *)regs->pc);
+ pr_info("SR: %04x SP: %p a2: %08lx\n", regs->sr, regs, regs->a2);
+ pr_info("d0: %08lx d1: %08lx d2: %08lx d3: %08lx\n",
regs->d0, regs->d1, regs->d2, regs->d3);
- printk("d4: %08lx d5: %08lx a0: %08lx a1: %08lx\n",
+ pr_info("d4: %08lx d5: %08lx a0: %08lx a1: %08lx\n",
regs->d4, regs->d5, regs->a0, regs->a1);
- printk("Process %s (pid: %d, task=%p)\n",
+ pr_info("Process %s (pid: %d, task=%p)\n",
current->comm, task_pid_nr(current), current);
addr = (unsigned long)&fp->un;
- printk("Frame format=%X ", regs->format);
+ pr_info("Frame format=%X ", regs->format);
switch (regs->format) {
case 0x2:
- printk("instr addr=%08lx\n", fp->un.fmt2.iaddr);
+ pr_cont("instr addr=%08lx\n", fp->un.fmt2.iaddr);
addr += sizeof(fp->un.fmt2);
break;
case 0x3:
- printk("eff addr=%08lx\n", fp->un.fmt3.effaddr);
+ pr_cont("eff addr=%08lx\n", fp->un.fmt3.effaddr);
addr += sizeof(fp->un.fmt3);
break;
case 0x4:
- printk((CPU_IS_060 ? "fault addr=%08lx fslw=%08lx\n"
- : "eff addr=%08lx pc=%08lx\n"),
- fp->un.fmt4.effaddr, fp->un.fmt4.pc);
+ if (CPU_IS_060)
+ pr_cont("fault addr=%08lx fslw=%08lx\n",
+ fp->un.fmt4.effaddr, fp->un.fmt4.pc);
+ else
+ pr_cont("eff addr=%08lx pc=%08lx\n",
+ fp->un.fmt4.effaddr, fp->un.fmt4.pc);
addr += sizeof(fp->un.fmt4);
break;
case 0x7:
- printk("eff addr=%08lx ssw=%04x faddr=%08lx\n",
+ pr_cont("eff addr=%08lx ssw=%04x faddr=%08lx\n",
fp->un.fmt7.effaddr, fp->un.fmt7.ssw, fp->un.fmt7.faddr);
- printk("wb 1 stat/addr/data: %04x %08lx %08lx\n",
+ pr_info("wb 1 stat/addr/data: %04x %08lx %08lx\n",
fp->un.fmt7.wb1s, fp->un.fmt7.wb1a, fp->un.fmt7.wb1dpd0);
- printk("wb 2 stat/addr/data: %04x %08lx %08lx\n",
+ pr_info("wb 2 stat/addr/data: %04x %08lx %08lx\n",
fp->un.fmt7.wb2s, fp->un.fmt7.wb2a, fp->un.fmt7.wb2d);
- printk("wb 3 stat/addr/data: %04x %08lx %08lx\n",
+ pr_info("wb 3 stat/addr/data: %04x %08lx %08lx\n",
fp->un.fmt7.wb3s, fp->un.fmt7.wb3a, fp->un.fmt7.wb3d);
- printk("push data: %08lx %08lx %08lx %08lx\n",
+ pr_info("push data: %08lx %08lx %08lx %08lx\n",
fp->un.fmt7.wb1dpd0, fp->un.fmt7.pd1, fp->un.fmt7.pd2,
fp->un.fmt7.pd3);
addr += sizeof(fp->un.fmt7);
break;
case 0x9:
- printk("instr addr=%08lx\n", fp->un.fmt9.iaddr);
+ pr_cont("instr addr=%08lx\n", fp->un.fmt9.iaddr);
addr += sizeof(fp->un.fmt9);
break;
case 0xa:
- printk("ssw=%04x isc=%04x isb=%04x daddr=%08lx dobuf=%08lx\n",
+ pr_cont("ssw=%04x isc=%04x isb=%04x daddr=%08lx dobuf=%08lx\n",
fp->un.fmta.ssw, fp->un.fmta.isc, fp->un.fmta.isb,
fp->un.fmta.daddr, fp->un.fmta.dobuf);
addr += sizeof(fp->un.fmta);
break;
case 0xb:
- printk("ssw=%04x isc=%04x isb=%04x daddr=%08lx dobuf=%08lx\n",
+ pr_cont("ssw=%04x isc=%04x isb=%04x daddr=%08lx dobuf=%08lx\n",
fp->un.fmtb.ssw, fp->un.fmtb.isc, fp->un.fmtb.isb,
fp->un.fmtb.daddr, fp->un.fmtb.dobuf);
- printk("baddr=%08lx dibuf=%08lx ver=%x\n",
+ pr_info("baddr=%08lx dibuf=%08lx ver=%x\n",
fp->un.fmtb.baddr, fp->un.fmtb.dibuf, fp->un.fmtb.ver);
addr += sizeof(fp->un.fmtb);
break;
default:
- printk("\n");
+ pr_cont("\n");
}
show_stack(NULL, (unsigned long *)addr);
- printk("Code:");
+ pr_info("Code:");
set_fs(KERNEL_DS);
cp = (u16 *)regs->pc;
for (i = -8; i < 16; i++) {
if (get_user(c, cp + i) && i >= 0) {
- printk(" Bad PC value.");
+ pr_cont(" Bad PC value.");
break;
}
- printk(i ? " %04x" : " <%04x>", c);
+ if (i)
+ pr_cont(" %04x", c);
+ else
+ pr_cont(" <%04x>", c);
}
set_fs(old_fs);
- printk ("\n");
+ pr_cont("\n");
}
void show_stack(struct task_struct *task, unsigned long *stack)
@@ -978,16 +948,16 @@ void show_stack(struct task_struct *task, unsigned long *stack)
}
endstack = (unsigned long *)(((unsigned long)stack + THREAD_SIZE - 1) & -THREAD_SIZE);
- printk("Stack from %08lx:", (unsigned long)stack);
+ pr_info("Stack from %08lx:", (unsigned long)stack);
p = stack;
for (i = 0; i < kstack_depth_to_print; i++) {
if (p + 1 > endstack)
break;
if (i % 8 == 0)
- printk("\n ");
- printk(" %08lx", *p++);
+ pr_cont("\n ");
+ pr_cont(" %08lx", *p++);
}
- printk("\n");
+ pr_cont("\n");
show_trace(stack);
}
@@ -1005,32 +975,32 @@ void bad_super_trap (struct frame *fp)
console_verbose();
if (vector < ARRAY_SIZE(vec_names))
- printk ("*** %s *** FORMAT=%X\n",
+ pr_err("*** %s *** FORMAT=%X\n",
vec_names[vector],
fp->ptregs.format);
else
- printk ("*** Exception %d *** FORMAT=%X\n",
+ pr_err("*** Exception %d *** FORMAT=%X\n",
vector, fp->ptregs.format);
if (vector == VEC_ADDRERR && CPU_IS_020_OR_030) {
unsigned short ssw = fp->un.fmtb.ssw;
- printk ("SSW=%#06x ", ssw);
+ pr_err("SSW=%#06x ", ssw);
if (ssw & RC)
- printk ("Pipe stage C instruction fault at %#010lx\n",
+ pr_err("Pipe stage C instruction fault at %#010lx\n",
(fp->ptregs.format) == 0xA ?
fp->ptregs.pc + 2 : fp->un.fmtb.baddr - 2);
if (ssw & RB)
- printk ("Pipe stage B instruction fault at %#010lx\n",
+ pr_err("Pipe stage B instruction fault at %#010lx\n",
(fp->ptregs.format) == 0xA ?
fp->ptregs.pc + 4 : fp->un.fmtb.baddr);
if (ssw & DF)
- printk ("Data %s fault at %#010lx in %s (pc=%#lx)\n",
+ pr_err("Data %s fault at %#010lx in %s (pc=%#lx)\n",
ssw & RW ? "read" : "write",
fp->un.fmtb.daddr, space_names[ssw & DFC],
fp->ptregs.pc);
}
- printk ("Current process id is %d\n", task_pid_nr(current));
+ pr_err("Current process id is %d\n", task_pid_nr(current));
die_if_kernel("BAD KERNEL TRAP", &fp->ptregs, 0);
}
@@ -1162,7 +1132,7 @@ void die_if_kernel (char *str, struct pt_regs *fp, int nr)
return;
console_verbose();
- printk("%s: %08x\n",str,nr);
+ pr_crit("%s: %08x\n", str, nr);
show_registers(fp);
add_taint(TAINT_DIE, LOCKDEP_NOW_UNRELIABLE);
do_exit(SIGSEGV);
diff --git a/arch/m68k/mac/config.c b/arch/m68k/mac/config.c
index afb95d5fb26..982c3fe73c4 100644
--- a/arch/m68k/mac/config.c
+++ b/arch/m68k/mac/config.c
@@ -26,9 +26,10 @@
#include <linux/adb.h>
#include <linux/cuda.h>
-#define BOOTINFO_COMPAT_1_0
#include <asm/setup.h>
#include <asm/bootinfo.h>
+#include <asm/bootinfo-mac.h>
+#include <asm/byteorder.h>
#include <asm/io.h>
#include <asm/irq.h>
@@ -107,45 +108,46 @@ static void __init mac_sched_init(irq_handler_t vector)
int __init mac_parse_bootinfo(const struct bi_record *record)
{
int unknown = 0;
- const u_long *data = record->data;
+ const void *data = record->data;
- switch (record->tag) {
+ switch (be16_to_cpu(record->tag)) {
case BI_MAC_MODEL:
- mac_bi_data.id = *data;
+ mac_bi_data.id = be32_to_cpup(data);
break;
case BI_MAC_VADDR:
- mac_bi_data.videoaddr = *data;
+ mac_bi_data.videoaddr = be32_to_cpup(data);
break;
case BI_MAC_VDEPTH:
- mac_bi_data.videodepth = *data;
+ mac_bi_data.videodepth = be32_to_cpup(data);
break;
case BI_MAC_VROW:
- mac_bi_data.videorow = *data;
+ mac_bi_data.videorow = be32_to_cpup(data);
break;
case BI_MAC_VDIM:
- mac_bi_data.dimensions = *data;
+ mac_bi_data.dimensions = be32_to_cpup(data);
break;
case BI_MAC_VLOGICAL:
- mac_bi_data.videological = VIDEOMEMBASE + (*data & ~VIDEOMEMMASK);
- mac_orig_videoaddr = *data;
+ mac_orig_videoaddr = be32_to_cpup(data);
+ mac_bi_data.videological =
+ VIDEOMEMBASE + (mac_orig_videoaddr & ~VIDEOMEMMASK);
break;
case BI_MAC_SCCBASE:
- mac_bi_data.sccbase = *data;
+ mac_bi_data.sccbase = be32_to_cpup(data);
break;
case BI_MAC_BTIME:
- mac_bi_data.boottime = *data;
+ mac_bi_data.boottime = be32_to_cpup(data);
break;
case BI_MAC_GMTBIAS:
- mac_bi_data.gmtbias = *data;
+ mac_bi_data.gmtbias = be32_to_cpup(data);
break;
case BI_MAC_MEMSIZE:
- mac_bi_data.memsize = *data;
+ mac_bi_data.memsize = be32_to_cpup(data);
break;
case BI_MAC_CPUID:
- mac_bi_data.cpuid = *data;
+ mac_bi_data.cpuid = be32_to_cpup(data);
break;
case BI_MAC_ROMBASE:
- mac_bi_data.rombase = *data;
+ mac_bi_data.rombase = be32_to_cpup(data);
break;
default:
unknown = 1;
diff --git a/arch/m68k/mac/iop.c b/arch/m68k/mac/iop.c
index 7d8d46127ad..4d2adfb32a2 100644
--- a/arch/m68k/mac/iop.c
+++ b/arch/m68k/mac/iop.c
@@ -111,16 +111,15 @@
#include <linux/init.h>
#include <linux/interrupt.h>
-#include <asm/bootinfo.h>
#include <asm/macintosh.h>
#include <asm/macints.h>
#include <asm/mac_iop.h>
/*#define DEBUG_IOP*/
-/* Set to non-zero if the IOPs are present. Set by iop_init() */
+/* Non-zero if the IOPs are present */
-int iop_scc_present,iop_ism_present;
+int iop_scc_present, iop_ism_present;
/* structure for tracking channel listeners */
diff --git a/arch/m68k/mac/misc.c b/arch/m68k/mac/misc.c
index 5e085554ac7..707b61aea20 100644
--- a/arch/m68k/mac/misc.c
+++ b/arch/m68k/mac/misc.c
@@ -25,8 +25,6 @@
#include <asm/mac_via.h>
#include <asm/mac_oss.h>
-#define BOOTINFO_COMPAT_1_0
-#include <asm/bootinfo.h>
#include <asm/machdep.h>
/* Offset between Unix time (1970-based) and Mac time (1904-based) */
diff --git a/arch/m68k/mac/oss.c b/arch/m68k/mac/oss.c
index 6c4c882c126..54037125ebf 100644
--- a/arch/m68k/mac/oss.c
+++ b/arch/m68k/mac/oss.c
@@ -21,7 +21,6 @@
#include <linux/init.h>
#include <linux/irq.h>
-#include <asm/bootinfo.h>
#include <asm/macintosh.h>
#include <asm/macints.h>
#include <asm/mac_via.h>
diff --git a/arch/m68k/mac/psc.c b/arch/m68k/mac/psc.c
index 6f026fc302f..835fa04511c 100644
--- a/arch/m68k/mac/psc.c
+++ b/arch/m68k/mac/psc.c
@@ -21,7 +21,6 @@
#include <linux/irq.h>
#include <asm/traps.h>
-#include <asm/bootinfo.h>
#include <asm/macintosh.h>
#include <asm/macints.h>
#include <asm/mac_psc.h>
@@ -54,7 +53,7 @@ static void psc_debug_dump(void)
* expanded to cover what I think are the other 7 channels.
*/
-static void psc_dma_die_die_die(void)
+static __init void psc_dma_die_die_die(void)
{
int i;
diff --git a/arch/m68k/mac/via.c b/arch/m68k/mac/via.c
index 5d1458bb871..e198dec868e 100644
--- a/arch/m68k/mac/via.c
+++ b/arch/m68k/mac/via.c
@@ -30,7 +30,6 @@
#include <linux/module.h>
#include <linux/irq.h>
-#include <asm/bootinfo.h>
#include <asm/macintosh.h>
#include <asm/macints.h>
#include <asm/mac_via.h>
diff --git a/arch/m68k/mm/fault.c b/arch/m68k/mm/fault.c
index eb1d61f6872..2bd7487440c 100644
--- a/arch/m68k/mm/fault.c
+++ b/arch/m68k/mm/fault.c
@@ -25,9 +25,8 @@ int send_fault_sig(struct pt_regs *regs)
siginfo.si_signo = current->thread.signo;
siginfo.si_code = current->thread.code;
siginfo.si_addr = (void *)current->thread.faddr;
-#ifdef DEBUG
- printk("send_fault_sig: %p,%d,%d\n", siginfo.si_addr, siginfo.si_signo, siginfo.si_code);
-#endif
+ pr_debug("send_fault_sig: %p,%d,%d\n", siginfo.si_addr,
+ siginfo.si_signo, siginfo.si_code);
if (user_mode(regs)) {
force_sig_info(siginfo.si_signo,
@@ -45,10 +44,10 @@ int send_fault_sig(struct pt_regs *regs)
* terminate things with extreme prejudice.
*/
if ((unsigned long)siginfo.si_addr < PAGE_SIZE)
- printk(KERN_ALERT "Unable to handle kernel NULL pointer dereference");
+ pr_alert("Unable to handle kernel NULL pointer dereference");
else
- printk(KERN_ALERT "Unable to handle kernel access");
- printk(" at virtual address %p\n", siginfo.si_addr);
+ pr_alert("Unable to handle kernel access");
+ pr_cont(" at virtual address %p\n", siginfo.si_addr);
die_if_kernel("Oops", regs, 0 /*error_code*/);
do_exit(SIGKILL);
}
@@ -75,11 +74,8 @@ int do_page_fault(struct pt_regs *regs, unsigned long address,
int fault;
unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
-#ifdef DEBUG
- printk ("do page fault:\nregs->sr=%#x, regs->pc=%#lx, address=%#lx, %ld, %p\n",
- regs->sr, regs->pc, address, error_code,
- current->mm->pgd);
-#endif
+ pr_debug("do page fault:\nregs->sr=%#x, regs->pc=%#lx, address=%#lx, %ld, %p\n",
+ regs->sr, regs->pc, address, error_code, mm ? mm->pgd : NULL);
/*
* If we're in an interrupt or have no user
@@ -118,9 +114,7 @@ retry:
* we can handle it..
*/
good_area:
-#ifdef DEBUG
- printk("do_page_fault: good_area\n");
-#endif
+ pr_debug("do_page_fault: good_area\n");
switch (error_code & 3) {
default: /* 3: write, present */
/* fall through */
@@ -143,9 +137,7 @@ good_area:
*/
fault = handle_mm_fault(mm, vma, address, flags);
-#ifdef DEBUG
- printk("handle_mm_fault returns %d\n",fault);
-#endif
+ pr_debug("handle_mm_fault returns %d\n", fault);
if ((fault & VM_FAULT_RETRY) && fatal_signal_pending(current))
return 0;
diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c
index 6b4baa6e4d3..acaff6a49e3 100644
--- a/arch/m68k/mm/init.c
+++ b/arch/m68k/mm/init.c
@@ -59,7 +59,7 @@ EXPORT_SYMBOL(pg_data_table);
void __init m68k_setup_node(int node)
{
#ifndef CONFIG_SINGLE_MEMORY_CHUNK
- struct mem_info *info = m68k_memory + node;
+ struct m68k_mem_info *info = m68k_memory + node;
int i, end;
i = (unsigned long)phys_to_virt(info->addr) >> __virt_to_node_shift();
diff --git a/arch/m68k/mm/kmap.c b/arch/m68k/mm/kmap.c
index 568cfad3ceb..6e4955bc542 100644
--- a/arch/m68k/mm/kmap.c
+++ b/arch/m68k/mm/kmap.c
@@ -27,9 +27,9 @@
/*
* For 040/060 we can use the virtual memory area like other architectures,
- * but for 020/030 we want to use early termination page descriptor and we
+ * but for 020/030 we want to use early termination page descriptors and we
* can't mix this with normal page descriptors, so we have to copy that code
- * (mm/vmalloc.c) and return appriorate aligned addresses.
+ * (mm/vmalloc.c) and return appropriately aligned addresses.
*/
#ifdef CPU_M68040_OR_M68060_ONLY
@@ -224,7 +224,7 @@ void __iomem *__ioremap(unsigned long physaddr, unsigned long size, int cachefla
EXPORT_SYMBOL(__ioremap);
/*
- * Unmap a ioremap()ed region again
+ * Unmap an ioremap()ed region again
*/
void iounmap(void __iomem *addr)
{
@@ -241,8 +241,8 @@ EXPORT_SYMBOL(iounmap);
/*
* __iounmap unmaps nearly everything, so be careful
- * it doesn't free currently pointer/page tables anymore but it
- * wans't used anyway and might be added later.
+ * Currently it doesn't free pointer/page tables anymore but this
+ * wasn't used anyway and might be added later.
*/
void __iounmap(void *addr, unsigned long size)
{
diff --git a/arch/m68k/mm/motorola.c b/arch/m68k/mm/motorola.c
index 251c5437787..7d402443216 100644
--- a/arch/m68k/mm/motorola.c
+++ b/arch/m68k/mm/motorola.c
@@ -233,7 +233,7 @@ void __init paging_init(void)
printk("Fix your bootloader or use a memfile to make use of this area!\n");
m68k_num_memory--;
memmove(m68k_memory + i, m68k_memory + i + 1,
- (m68k_num_memory - i) * sizeof(struct mem_info));
+ (m68k_num_memory - i) * sizeof(struct m68k_mem_info));
continue;
}
addr = m68k_memory[i].addr + m68k_memory[i].size;
diff --git a/arch/m68k/mvme147/config.c b/arch/m68k/mvme147/config.c
index 1c6262803b9..1bb3ce6634d 100644
--- a/arch/m68k/mvme147/config.c
+++ b/arch/m68k/mvme147/config.c
@@ -26,6 +26,8 @@
#include <linux/interrupt.h>
#include <asm/bootinfo.h>
+#include <asm/bootinfo-vme.h>
+#include <asm/byteorder.h>
#include <asm/pgtable.h>
#include <asm/setup.h>
#include <asm/irq.h>
@@ -51,9 +53,10 @@ static int bcd2int (unsigned char b);
irq_handler_t tick_handler;
-int mvme147_parse_bootinfo(const struct bi_record *bi)
+int __init mvme147_parse_bootinfo(const struct bi_record *bi)
{
- if (bi->tag == BI_VME_TYPE || bi->tag == BI_VME_BRDINFO)
+ uint16_t tag = be16_to_cpu(bi->tag);
+ if (tag == BI_VME_TYPE || tag == BI_VME_BRDINFO)
return 0;
else
return 1;
diff --git a/arch/m68k/mvme16x/config.c b/arch/m68k/mvme16x/config.c
index 080a342458a..eab7d342757 100644
--- a/arch/m68k/mvme16x/config.c
+++ b/arch/m68k/mvme16x/config.c
@@ -29,6 +29,8 @@
#include <linux/module.h>
#include <asm/bootinfo.h>
+#include <asm/bootinfo-vme.h>
+#include <asm/byteorder.h>
#include <asm/pgtable.h>
#include <asm/setup.h>
#include <asm/irq.h>
@@ -60,9 +62,10 @@ unsigned short mvme16x_config;
EXPORT_SYMBOL(mvme16x_config);
-int mvme16x_parse_bootinfo(const struct bi_record *bi)
+int __init mvme16x_parse_bootinfo(const struct bi_record *bi)
{
- if (bi->tag == BI_VME_TYPE || bi->tag == BI_VME_BRDINFO)
+ uint16_t tag = be16_to_cpu(bi->tag);
+ if (tag == BI_VME_TYPE || tag == BI_VME_BRDINFO)
return 0;
else
return 1;
@@ -87,15 +90,15 @@ static void mvme16x_get_model(char *model)
suf[3] = '\0';
suf[0] = suf[1] ? '-' : '\0';
- sprintf(model, "Motorola MVME%x%s", p->brdno, suf);
+ sprintf(model, "Motorola MVME%x%s", be16_to_cpu(p->brdno), suf);
}
static void mvme16x_get_hardware_list(struct seq_file *m)
{
- p_bdid p = &mvme_bdid;
+ uint16_t brdno = be16_to_cpu(mvme_bdid.brdno);
- if (p->brdno == 0x0162 || p->brdno == 0x0172)
+ if (brdno == 0x0162 || brdno == 0x0172)
{
unsigned char rev = *(unsigned char *)MVME162_VERSION_REG;
@@ -285,6 +288,7 @@ void __init config_mvme16x(void)
{
p_bdid p = &mvme_bdid;
char id[40];
+ uint16_t brdno = be16_to_cpu(p->brdno);
mach_max_dma_address = 0xffffffff;
mach_sched_init = mvme16x_sched_init;
@@ -306,18 +310,18 @@ void __init config_mvme16x(void)
}
/* Board type is only set by newer versions of vmelilo/tftplilo */
if (vme_brdtype == 0)
- vme_brdtype = p->brdno;
+ vme_brdtype = brdno;
mvme16x_get_model(id);
printk ("\nBRD_ID: %s BUG %x.%x %02x/%02x/%02x\n", id, p->rev>>4,
p->rev&0xf, p->yr, p->mth, p->day);
- if (p->brdno == 0x0162 || p->brdno == 0x172)
+ if (brdno == 0x0162 || brdno == 0x172)
{
unsigned char rev = *(unsigned char *)MVME162_VERSION_REG;
mvme16x_config = rev | MVME16x_CONFIG_GOT_SCCA;
- printk ("MVME%x Hardware status:\n", p->brdno);
+ printk ("MVME%x Hardware status:\n", brdno);
printk (" CPU Type 68%s040\n",
rev & MVME16x_CONFIG_GOT_FPU ? "" : "LC");
printk (" CPU clock %dMHz\n",
@@ -347,12 +351,12 @@ void __init config_mvme16x(void)
static irqreturn_t mvme16x_abort_int (int irq, void *dev_id)
{
- p_bdid p = &mvme_bdid;
unsigned long *new = (unsigned long *)vectors;
unsigned long *old = (unsigned long *)0xffe00000;
volatile unsigned char uc, *ucp;
+ uint16_t brdno = be16_to_cpu(mvme_bdid.brdno);
- if (p->brdno == 0x0162 || p->brdno == 0x172)
+ if (brdno == 0x0162 || brdno == 0x172)
{
ucp = (volatile unsigned char *)0xfff42043;
uc = *ucp | 8;
@@ -366,7 +370,7 @@ static irqreturn_t mvme16x_abort_int (int irq, void *dev_id)
*(new+9) = *(old+9); /* Trace */
*(new+47) = *(old+47); /* Trap #15 */
- if (p->brdno == 0x0162 || p->brdno == 0x172)
+ if (brdno == 0x0162 || brdno == 0x172)
*(new+0x5e) = *(old+0x5e); /* ABORT switch */
else
*(new+0x6e) = *(old+0x6e); /* ABORT switch */
@@ -381,7 +385,7 @@ static irqreturn_t mvme16x_timer_int (int irq, void *dev_id)
void mvme16x_sched_init (irq_handler_t timer_routine)
{
- p_bdid p = &mvme_bdid;
+ uint16_t brdno = be16_to_cpu(mvme_bdid.brdno);
int irq;
tick_handler = timer_routine;
@@ -394,7 +398,7 @@ void mvme16x_sched_init (irq_handler_t timer_routine)
"timer", mvme16x_timer_int))
panic ("Couldn't register timer int");
- if (p->brdno == 0x0162 || p->brdno == 0x172)
+ if (brdno == 0x0162 || brdno == 0x172)
irq = MVME162_IRQ_ABORT;
else
irq = MVME167_IRQ_ABORT;
diff --git a/arch/m68k/q40/config.c b/arch/m68k/q40/config.c
index 078bb744b5f..e90fe903613 100644
--- a/arch/m68k/q40/config.c
+++ b/arch/m68k/q40/config.c
@@ -154,7 +154,7 @@ static unsigned int serports[] =
0x3f8,0x2f8,0x3e8,0x2e8,0
};
-static void q40_disable_irqs(void)
+static void __init q40_disable_irqs(void)
{
unsigned i, j;
@@ -198,7 +198,7 @@ void __init config_q40(void)
}
-int q40_parse_bootinfo(const struct bi_record *rec)
+int __init q40_parse_bootinfo(const struct bi_record *rec)
{
return 1;
}
diff --git a/arch/m68k/sun3/dvma.c b/arch/m68k/sun3/dvma.c
index d522eaab455..d95506e06c2 100644
--- a/arch/m68k/sun3/dvma.c
+++ b/arch/m68k/sun3/dvma.c
@@ -7,6 +7,7 @@
*
*/
+#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/bootmem.h>
@@ -62,10 +63,7 @@ int dvma_map_iommu(unsigned long kaddr, unsigned long baddr,
}
-void sun3_dvma_init(void)
+void __init sun3_dvma_init(void)
{
-
memset(ptelist, 0, sizeof(ptelist));
-
-
}
diff --git a/arch/m68k/sun3/mmu_emu.c b/arch/m68k/sun3/mmu_emu.c
index 8edc510a21b..3f258e230ba 100644
--- a/arch/m68k/sun3/mmu_emu.c
+++ b/arch/m68k/sun3/mmu_emu.c
@@ -6,6 +6,7 @@
** Started 1/16/98 @ 2:22 am
*/
+#include <linux/init.h>
#include <linux/mman.h>
#include <linux/mm.h>
#include <linux/kernel.h>
@@ -122,7 +123,7 @@ void print_pte_vaddr (unsigned long vaddr)
/*
* Initialise the MMU emulator.
*/
-void mmu_emu_init(unsigned long bootmem_end)
+void __init mmu_emu_init(unsigned long bootmem_end)
{
unsigned long seg, num;
int i,j;
diff --git a/arch/m68k/sun3/sun3dvma.c b/arch/m68k/sun3/sun3dvma.c
index cab54482ca3..b37521a5259 100644
--- a/arch/m68k/sun3/sun3dvma.c
+++ b/arch/m68k/sun3/sun3dvma.c
@@ -6,6 +6,8 @@
* Contains common routines for sun3/sun3x DVMA management.
*/
+#include <linux/bootmem.h>
+#include <linux/init.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/gfp.h>
@@ -30,7 +32,7 @@ static inline void dvma_unmap_iommu(unsigned long a, int b)
extern void sun3_dvma_init(void);
#endif
-static unsigned long iommu_use[IOMMU_TOTAL_ENTRIES];
+static unsigned long *iommu_use;
#define dvma_index(baddr) ((baddr - DVMA_START) >> DVMA_PAGE_SHIFT)
@@ -245,7 +247,7 @@ static inline int free_baddr(unsigned long baddr)
}
-void dvma_init(void)
+void __init dvma_init(void)
{
struct hole *hole;
@@ -265,7 +267,7 @@ void dvma_init(void)
list_add(&(hole->list), &hole_list);
- memset(iommu_use, 0, sizeof(iommu_use));
+ iommu_use = alloc_bootmem(IOMMU_TOTAL_ENTRIES * sizeof(unsigned long));
dvma_unmap_iommu(DVMA_START, DVMA_SIZE);
diff --git a/arch/m68k/sun3x/prom.c b/arch/m68k/sun3x/prom.c
index a7b7e818d62..0898c3f8150 100644
--- a/arch/m68k/sun3x/prom.c
+++ b/arch/m68k/sun3x/prom.c
@@ -10,7 +10,6 @@
#include <asm/page.h>
#include <asm/pgtable.h>
-#include <asm/bootinfo.h>
#include <asm/setup.h>
#include <asm/traps.h>
#include <asm/sun3xprom.h>
diff --git a/arch/metag/include/asm/barrier.h b/arch/metag/include/asm/barrier.h
index c90bfc6bf64..5d6b4b407dd 100644
--- a/arch/metag/include/asm/barrier.h
+++ b/arch/metag/include/asm/barrier.h
@@ -82,4 +82,19 @@ static inline void fence(void)
#define smp_read_barrier_depends() do { } while (0)
#define set_mb(var, value) do { var = value; smp_mb(); } while (0)
+#define smp_store_release(p, v) \
+do { \
+ compiletime_assert_atomic_type(*p); \
+ smp_mb(); \
+ ACCESS_ONCE(*p) = (v); \
+} while (0)
+
+#define smp_load_acquire(p) \
+({ \
+ typeof(*p) ___p1 = ACCESS_ONCE(*p); \
+ compiletime_assert_atomic_type(*p); \
+ smp_mb(); \
+ ___p1; \
+})
+
#endif /* _ASM_METAG_BARRIER_H */
diff --git a/arch/metag/include/asm/smp.h b/arch/metag/include/asm/smp.h
index e0373f81a11..1d7e770f7a5 100644
--- a/arch/metag/include/asm/smp.h
+++ b/arch/metag/include/asm/smp.h
@@ -7,13 +7,11 @@
enum ipi_msg_type {
IPI_CALL_FUNC,
- IPI_CALL_FUNC_SINGLE,
IPI_RESCHEDULE,
};
extern void arch_send_call_function_single_ipi(int cpu);
extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
-#define arch_send_call_function_ipi_mask arch_send_call_function_ipi_mask
asmlinkage void secondary_start_kernel(void);
diff --git a/arch/metag/kernel/dma.c b/arch/metag/kernel/dma.c
index db589ad5dbc..c700d625067 100644
--- a/arch/metag/kernel/dma.c
+++ b/arch/metag/kernel/dma.c
@@ -399,11 +399,6 @@ static int __init dma_alloc_init(void)
pgd = pgd_offset(&init_mm, CONSISTENT_START);
pud = pud_alloc(&init_mm, pgd, CONSISTENT_START);
pmd = pmd_alloc(&init_mm, pud, CONSISTENT_START);
- if (!pmd) {
- pr_err("%s: no pmd tables\n", __func__);
- ret = -ENOMEM;
- break;
- }
WARN_ON(!pmd_none(*pmd));
pte = pte_alloc_kernel(pmd, CONSISTENT_START);
diff --git a/arch/metag/kernel/smp.c b/arch/metag/kernel/smp.c
index 7c011314298..f006d2276f4 100644
--- a/arch/metag/kernel/smp.c
+++ b/arch/metag/kernel/smp.c
@@ -68,7 +68,7 @@ static DECLARE_COMPLETION(cpu_running);
/*
* "thread" is assumed to be a valid Meta hardware thread ID.
*/
-int boot_secondary(unsigned int thread, struct task_struct *idle)
+static int boot_secondary(unsigned int thread, struct task_struct *idle)
{
u32 val;
@@ -491,7 +491,7 @@ void arch_send_call_function_ipi_mask(const struct cpumask *mask)
void arch_send_call_function_single_ipi(int cpu)
{
- send_ipi_message(cpumask_of(cpu), IPI_CALL_FUNC_SINGLE);
+ send_ipi_message(cpumask_of(cpu), IPI_CALL_FUNC);
}
void show_ipi_list(struct seq_file *p)
@@ -517,11 +517,10 @@ static DEFINE_SPINLOCK(stop_lock);
*
* Bit 0 - Inter-processor function call
*/
-static int do_IPI(struct pt_regs *regs)
+static int do_IPI(void)
{
unsigned int cpu = smp_processor_id();
struct ipi_data *ipi = &per_cpu(ipi_data, cpu);
- struct pt_regs *old_regs = set_irq_regs(regs);
unsigned long msgs, nextmsg;
int handled = 0;
@@ -546,10 +545,6 @@ static int do_IPI(struct pt_regs *regs)
generic_smp_call_function_interrupt();
break;
- case IPI_CALL_FUNC_SINGLE:
- generic_smp_call_function_single_interrupt();
- break;
-
default:
pr_crit("CPU%u: Unknown IPI message 0x%lx\n",
cpu, nextmsg);
@@ -557,8 +552,6 @@ static int do_IPI(struct pt_regs *regs)
}
}
- set_irq_regs(old_regs);
-
return handled;
}
@@ -624,7 +617,7 @@ static void kick_raise_softirq(cpumask_t callmap, unsigned int irq)
static TBIRES ipi_handler(TBIRES State, int SigNum, int Triggers,
int Inst, PTBI pTBI, int *handled)
{
- *handled = do_IPI((struct pt_regs *)State.Sig.pCtx);
+ *handled = do_IPI();
return State;
}
diff --git a/arch/metag/kernel/topology.c b/arch/metag/kernel/topology.c
index bec3dec4922..4ba595701f7 100644
--- a/arch/metag/kernel/topology.c
+++ b/arch/metag/kernel/topology.c
@@ -19,6 +19,7 @@
DEFINE_PER_CPU(struct cpuinfo_metag, cpu_data);
cpumask_t cpu_core_map[NR_CPUS];
+EXPORT_SYMBOL(cpu_core_map);
static cpumask_t cpu_coregroup_map(unsigned int cpu)
{
diff --git a/arch/metag/mm/init.c b/arch/metag/mm/init.c
index 3cd6288f65c..11fa51c8961 100644
--- a/arch/metag/mm/init.c
+++ b/arch/metag/mm/init.c
@@ -204,7 +204,8 @@ static void __init do_init_bootmem(void)
start_pfn = memblock_region_memory_base_pfn(reg);
end_pfn = memblock_region_memory_end_pfn(reg);
memblock_set_node(PFN_PHYS(start_pfn),
- PFN_PHYS(end_pfn - start_pfn), 0);
+ PFN_PHYS(end_pfn - start_pfn),
+ &memblock.memory, 0);
}
/* All of system RAM sits in node 0 for the non-NUMA case */
diff --git a/arch/metag/mm/numa.c b/arch/metag/mm/numa.c
index b172aa45fcf..67b46c29507 100644
--- a/arch/metag/mm/numa.c
+++ b/arch/metag/mm/numa.c
@@ -42,7 +42,8 @@ void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end)
memblock_add(start, end - start);
memblock_set_node(PFN_PHYS(start_pfn),
- PFN_PHYS(end_pfn - start_pfn), nid);
+ PFN_PHYS(end_pfn - start_pfn),
+ &memblock.memory, nid);
/* Node-local pgdat */
pgdat_paddr = memblock_alloc_base(sizeof(struct pglist_data),
diff --git a/arch/microblaze/include/asm/Kbuild b/arch/microblaze/include/asm/Kbuild
index ce0bbf8f564..a82426589ff 100644
--- a/arch/microblaze/include/asm/Kbuild
+++ b/arch/microblaze/include/asm/Kbuild
@@ -1,4 +1,5 @@
+generic-y += barrier.h
generic-y += clkdev.h
generic-y += exec.h
generic-y += trace_clock.h
diff --git a/arch/microblaze/include/asm/barrier.h b/arch/microblaze/include/asm/barrier.h
deleted file mode 100644
index df5be3e8704..00000000000
--- a/arch/microblaze/include/asm/barrier.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-
-#ifndef _ASM_MICROBLAZE_BARRIER_H
-#define _ASM_MICROBLAZE_BARRIER_H
-
-#define nop() asm volatile ("nop")
-
-#define smp_read_barrier_depends() do {} while (0)
-#define read_barrier_depends() do {} while (0)
-
-#define mb() barrier()
-#define rmb() mb()
-#define wmb() mb()
-#define set_mb(var, value) do { var = value; mb(); } while (0)
-#define set_wmb(var, value) do { var = value; wmb(); } while (0)
-
-#define smp_mb() mb()
-#define smp_rmb() rmb()
-#define smp_wmb() wmb()
-
-#endif /* _ASM_MICROBLAZE_BARRIER_H */
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index 74c7bcc1e82..89077d34671 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -192,7 +192,8 @@ void __init setup_memory(void)
start_pfn = memblock_region_memory_base_pfn(reg);
end_pfn = memblock_region_memory_end_pfn(reg);
memblock_set_node(start_pfn << PAGE_SHIFT,
- (end_pfn - start_pfn) << PAGE_SHIFT, 0);
+ (end_pfn - start_pfn) << PAGE_SHIFT,
+ &memblock.memory, 0);
}
/* free bootmem is whole main memory */
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 650de3976e7..c93d92beb3d 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -47,6 +47,7 @@ config MIPS
select MODULES_USE_ELF_RELA if MODULES && 64BIT
select CLONE_BACKWARDS
select HAVE_DEBUG_STACKOVERFLOW
+ select HAVE_CC_STACKPROTECTOR
menu "Machine selection"
@@ -2322,19 +2323,6 @@ config SECCOMP
If unsure, say Y. Only embedded should say N here.
-config CC_STACKPROTECTOR
- bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)"
- help
- This option turns on the -fstack-protector GCC feature. This
- feature puts, at the beginning of functions, a canary value on
- the stack just before the return address, and validates
- the value just before actually returning. Stack based buffer
- overflows (that need to overwrite this return address) now also
- overwrite the canary, which gets detected and the attack is then
- neutralized via a kernel panic.
-
- This feature requires gcc version 4.2 or above.
-
config USE_OF
bool
select OF
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index de300b99360..efe50787cd8 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -232,10 +232,6 @@ bootvars-y = VMLINUX_LOAD_ADDRESS=$(load-y) \
LDFLAGS += -m $(ld-emul)
-ifdef CONFIG_CC_STACKPROTECTOR
- KBUILD_CFLAGS += -fstack-protector
-endif
-
ifdef CONFIG_MIPS
CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \
egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \
diff --git a/arch/mips/ar7/setup.c b/arch/mips/ar7/setup.c
index 9a357fffcfb..820b7a313d9 100644
--- a/arch/mips/ar7/setup.c
+++ b/arch/mips/ar7/setup.c
@@ -92,7 +92,6 @@ void __init plat_mem_setup(void)
_machine_restart = ar7_machine_restart;
_machine_halt = ar7_machine_halt;
pm_power_off = ar7_machine_power_off;
- panic_timeout = 3;
io_base = (unsigned long)ioremap(AR7_REGS_BASE, 0x10000);
if (!io_base)
diff --git a/arch/mips/emma/markeins/setup.c b/arch/mips/emma/markeins/setup.c
index d71005835c0..9100122e5ce 100644
--- a/arch/mips/emma/markeins/setup.c
+++ b/arch/mips/emma/markeins/setup.c
@@ -111,9 +111,6 @@ void __init plat_mem_setup(void)
iomem_resource.start = EMMA2RH_IO_BASE;
iomem_resource.end = EMMA2RH_ROM_BASE - 1;
- /* Reboot on panic */
- panic_timeout = 180;
-
markeins_sio_setup();
}
diff --git a/arch/mips/include/asm/barrier.h b/arch/mips/include/asm/barrier.h
index f26d8e1bf3c..e1aa4e4c298 100644
--- a/arch/mips/include/asm/barrier.h
+++ b/arch/mips/include/asm/barrier.h
@@ -180,4 +180,19 @@
#define nudge_writes() mb()
#endif
+#define smp_store_release(p, v) \
+do { \
+ compiletime_assert_atomic_type(*p); \
+ smp_mb(); \
+ ACCESS_ONCE(*p) = (v); \
+} while (0)
+
+#define smp_load_acquire(p) \
+({ \
+ typeof(*p) ___p1 = ACCESS_ONCE(*p); \
+ compiletime_assert_atomic_type(*p); \
+ smp_mb(); \
+ ___p1; \
+})
+
#endif /* __ASM_BARRIER_H */
diff --git a/arch/mips/include/asm/cacheops.h b/arch/mips/include/asm/cacheops.h
index c75025f27c2..06b9bc7ea14 100644
--- a/arch/mips/include/asm/cacheops.h
+++ b/arch/mips/include/asm/cacheops.h
@@ -83,6 +83,6 @@
/*
* Loongson2-specific cacheops
*/
-#define Hit_Invalidate_I_Loongson23 0x00
+#define Hit_Invalidate_I_Loongson2 0x00
#endif /* __ASM_CACHEOPS_H */
diff --git a/arch/mips/include/asm/r4kcache.h b/arch/mips/include/asm/r4kcache.h
index 34d1a191712..c84caddb8bd 100644
--- a/arch/mips/include/asm/r4kcache.h
+++ b/arch/mips/include/asm/r4kcache.h
@@ -165,7 +165,7 @@ static inline void flush_icache_line(unsigned long addr)
__iflush_prologue
switch (boot_cpu_type()) {
case CPU_LOONGSON2:
- cache_op(Hit_Invalidate_I_Loongson23, addr);
+ cache_op(Hit_Invalidate_I_Loongson2, addr);
break;
default:
@@ -219,7 +219,7 @@ static inline void protected_flush_icache_line(unsigned long addr)
{
switch (boot_cpu_type()) {
case CPU_LOONGSON2:
- protected_cache_op(Hit_Invalidate_I_Loongson23, addr);
+ protected_cache_op(Hit_Invalidate_I_Loongson2, addr);
break;
default:
@@ -357,8 +357,8 @@ static inline void invalidate_tcache_page(unsigned long addr)
"i" (op));
/* build blast_xxx, blast_xxx_page, blast_xxx_page_indexed */
-#define __BUILD_BLAST_CACHE(pfx, desc, indexop, hitop, lsize) \
-static inline void blast_##pfx##cache##lsize(void) \
+#define __BUILD_BLAST_CACHE(pfx, desc, indexop, hitop, lsize, extra) \
+static inline void extra##blast_##pfx##cache##lsize(void) \
{ \
unsigned long start = INDEX_BASE; \
unsigned long end = start + current_cpu_data.desc.waysize; \
@@ -376,7 +376,7 @@ static inline void blast_##pfx##cache##lsize(void) \
__##pfx##flush_epilogue \
} \
\
-static inline void blast_##pfx##cache##lsize##_page(unsigned long page) \
+static inline void extra##blast_##pfx##cache##lsize##_page(unsigned long page) \
{ \
unsigned long start = page; \
unsigned long end = page + PAGE_SIZE; \
@@ -391,7 +391,7 @@ static inline void blast_##pfx##cache##lsize##_page(unsigned long page) \
__##pfx##flush_epilogue \
} \
\
-static inline void blast_##pfx##cache##lsize##_page_indexed(unsigned long page) \
+static inline void extra##blast_##pfx##cache##lsize##_page_indexed(unsigned long page) \
{ \
unsigned long indexmask = current_cpu_data.desc.waysize - 1; \
unsigned long start = INDEX_BASE + (page & indexmask); \
@@ -410,23 +410,24 @@ static inline void blast_##pfx##cache##lsize##_page_indexed(unsigned long page)
__##pfx##flush_epilogue \
}
-__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 16)
-__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 16)
-__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 16)
-__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 32)
-__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 32)
-__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 32)
-__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 64)
-__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 64)
-__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 64)
-__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 128)
-
-__BUILD_BLAST_CACHE(inv_d, dcache, Index_Writeback_Inv_D, Hit_Invalidate_D, 16)
-__BUILD_BLAST_CACHE(inv_d, dcache, Index_Writeback_Inv_D, Hit_Invalidate_D, 32)
-__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 16)
-__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 32)
-__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 64)
-__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 128)
+__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 16, )
+__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 16, )
+__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 16, )
+__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 32, )
+__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 32, )
+__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I_Loongson2, 32, loongson2_)
+__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 32, )
+__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 64, )
+__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 64, )
+__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 64, )
+__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 128, )
+
+__BUILD_BLAST_CACHE(inv_d, dcache, Index_Writeback_Inv_D, Hit_Invalidate_D, 16, )
+__BUILD_BLAST_CACHE(inv_d, dcache, Index_Writeback_Inv_D, Hit_Invalidate_D, 32, )
+__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 16, )
+__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 32, )
+__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 64, )
+__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 128, )
/* build blast_xxx_range, protected_blast_xxx_range */
#define __BUILD_BLAST_CACHE_RANGE(pfx, desc, hitop, prot, extra) \
@@ -452,8 +453,8 @@ static inline void prot##extra##blast_##pfx##cache##_range(unsigned long start,
__BUILD_BLAST_CACHE_RANGE(d, dcache, Hit_Writeback_Inv_D, protected_, )
__BUILD_BLAST_CACHE_RANGE(s, scache, Hit_Writeback_Inv_SD, protected_, )
__BUILD_BLAST_CACHE_RANGE(i, icache, Hit_Invalidate_I, protected_, )
-__BUILD_BLAST_CACHE_RANGE(i, icache, Hit_Invalidate_I_Loongson23, \
- protected_, loongson23_)
+__BUILD_BLAST_CACHE_RANGE(i, icache, Hit_Invalidate_I_Loongson2, \
+ protected_, loongson2_)
__BUILD_BLAST_CACHE_RANGE(d, dcache, Hit_Writeback_Inv_D, , )
__BUILD_BLAST_CACHE_RANGE(s, scache, Hit_Writeback_Inv_SD, , )
/* blast_inv_dcache_range */
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index 62ffd20ea86..49e572d879e 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -237,6 +237,8 @@ static void r4k_blast_icache_page_setup(void)
r4k_blast_icache_page = (void *)cache_noop;
else if (ic_lsize == 16)
r4k_blast_icache_page = blast_icache16_page;
+ else if (ic_lsize == 32 && current_cpu_type() == CPU_LOONGSON2)
+ r4k_blast_icache_page = loongson2_blast_icache32_page;
else if (ic_lsize == 32)
r4k_blast_icache_page = blast_icache32_page;
else if (ic_lsize == 64)
@@ -261,6 +263,9 @@ static void r4k_blast_icache_page_indexed_setup(void)
else if (TX49XX_ICACHE_INDEX_INV_WAR)
r4k_blast_icache_page_indexed =
tx49_blast_icache32_page_indexed;
+ else if (current_cpu_type() == CPU_LOONGSON2)
+ r4k_blast_icache_page_indexed =
+ loongson2_blast_icache32_page_indexed;
else
r4k_blast_icache_page_indexed =
blast_icache32_page_indexed;
@@ -284,6 +289,8 @@ static void r4k_blast_icache_setup(void)
r4k_blast_icache = blast_r4600_v1_icache32;
else if (TX49XX_ICACHE_INDEX_INV_WAR)
r4k_blast_icache = tx49_blast_icache32;
+ else if (current_cpu_type() == CPU_LOONGSON2)
+ r4k_blast_icache = loongson2_blast_icache32;
else
r4k_blast_icache = blast_icache32;
} else if (ic_lsize == 64)
@@ -580,11 +587,11 @@ static inline void local_r4k_flush_icache_range(unsigned long start, unsigned lo
else {
switch (boot_cpu_type()) {
case CPU_LOONGSON2:
- protected_blast_icache_range(start, end);
+ protected_loongson2_blast_icache_range(start, end);
break;
default:
- protected_loongson23_blast_icache_range(start, end);
+ protected_blast_icache_range(start, end);
break;
}
}
diff --git a/arch/mips/netlogic/xlp/setup.c b/arch/mips/netlogic/xlp/setup.c
index 6d981bb337e..54e75c77184 100644
--- a/arch/mips/netlogic/xlp/setup.c
+++ b/arch/mips/netlogic/xlp/setup.c
@@ -92,7 +92,6 @@ static void __init xlp_init_mem_from_bars(void)
void __init plat_mem_setup(void)
{
- panic_timeout = 5;
_machine_restart = (void (*)(char *))nlm_linux_exit;
_machine_halt = nlm_linux_exit;
pm_power_off = nlm_linux_exit;
diff --git a/arch/mips/netlogic/xlr/setup.c b/arch/mips/netlogic/xlr/setup.c
index 214d123b79f..921be5f7779 100644
--- a/arch/mips/netlogic/xlr/setup.c
+++ b/arch/mips/netlogic/xlr/setup.c
@@ -92,7 +92,6 @@ static void nlm_linux_exit(void)
void __init plat_mem_setup(void)
{
- panic_timeout = 5;
_machine_restart = (void (*)(char *))nlm_linux_exit;
_machine_halt = nlm_linux_exit;
pm_power_off = nlm_linux_exit;
diff --git a/arch/mips/ralink/cevt-rt3352.c b/arch/mips/ralink/cevt-rt3352.c
index cc17566d193..24bf057a361 100644
--- a/arch/mips/ralink/cevt-rt3352.c
+++ b/arch/mips/ralink/cevt-rt3352.c
@@ -138,7 +138,7 @@ static void __init ralink_systick_init(struct device_node *np)
clockevents_register_device(&systick.dev);
- pr_info("%s: runing - mult: %d, shift: %d\n",
+ pr_info("%s: running - mult: %d, shift: %d\n",
np->name, systick.dev.mult, systick.dev.shift);
}
diff --git a/arch/mips/ralink/timer.c b/arch/mips/ralink/timer.c
index 20278570944..e38692a44e6 100644
--- a/arch/mips/ralink/timer.c
+++ b/arch/mips/ralink/timer.c
@@ -147,7 +147,7 @@ static int rt_timer_probe(struct platform_device *pdev)
rt_timer_config(rt, 2);
rt_timer_enable(rt);
- dev_info(&pdev->dev, "maximum frequncy is %luHz\n", rt->timer_freq);
+ dev_info(&pdev->dev, "maximum frequency is %luHz\n", rt->timer_freq);
return 0;
}
diff --git a/arch/mips/sibyte/swarm/setup.c b/arch/mips/sibyte/swarm/setup.c
index 41707a245de..3462c831d0e 100644
--- a/arch/mips/sibyte/swarm/setup.c
+++ b/arch/mips/sibyte/swarm/setup.c
@@ -134,8 +134,6 @@ void __init plat_mem_setup(void)
#error invalid SiByte board configuration
#endif
- panic_timeout = 5; /* For debug. */
-
board_be_handler = swarm_be_handler;
if (xicor_probe())
diff --git a/arch/mn10300/include/asm/Kbuild b/arch/mn10300/include/asm/Kbuild
index 74742dc6a3d..032143ec232 100644
--- a/arch/mn10300/include/asm/Kbuild
+++ b/arch/mn10300/include/asm/Kbuild
@@ -1,4 +1,5 @@
+generic-y += barrier.h
generic-y += clkdev.h
generic-y += exec.h
generic-y += trace_clock.h
diff --git a/arch/mn10300/include/asm/barrier.h b/arch/mn10300/include/asm/barrier.h
deleted file mode 100644
index 2bd97a5c8af..00000000000
--- a/arch/mn10300/include/asm/barrier.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/* MN10300 memory barrier definitions
- *
- * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-#ifndef _ASM_BARRIER_H
-#define _ASM_BARRIER_H
-
-#define nop() asm volatile ("nop")
-
-#define mb() asm volatile ("": : :"memory")
-#define rmb() mb()
-#define wmb() asm volatile ("": : :"memory")
-
-#ifdef CONFIG_SMP
-#define smp_mb() mb()
-#define smp_rmb() rmb()
-#define smp_wmb() wmb()
-#define set_mb(var, value) do { xchg(&var, value); } while (0)
-#else /* CONFIG_SMP */
-#define smp_mb() barrier()
-#define smp_rmb() barrier()
-#define smp_wmb() barrier()
-#define set_mb(var, value) do { var = value; mb(); } while (0)
-#endif /* CONFIG_SMP */
-
-#define set_wmb(var, value) do { var = value; wmb(); } while (0)
-
-#define read_barrier_depends() do {} while (0)
-#define smp_read_barrier_depends() do {} while (0)
-
-#endif /* _ASM_BARRIER_H */
diff --git a/arch/parisc/configs/c3000_defconfig b/arch/parisc/configs/c3000_defconfig
index ec1b014952b..acacd348df8 100644
--- a/arch/parisc/configs/c3000_defconfig
+++ b/arch/parisc/configs/c3000_defconfig
@@ -50,7 +50,7 @@ CONFIG_BLK_DEV_CRYPTOLOOP=m
CONFIG_IDE=y
CONFIG_BLK_DEV_IDECD=y
CONFIG_BLK_DEV_NS87415=y
-CONFIG_BLK_DEV_SIIMAGE=m
+CONFIG_PATA_SIL680=m
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
CONFIG_CHR_DEV_ST=y
diff --git a/arch/parisc/configs/c8000_defconfig b/arch/parisc/configs/c8000_defconfig
index e1c8d2015c8..8249ac9d9cf 100644
--- a/arch/parisc/configs/c8000_defconfig
+++ b/arch/parisc/configs/c8000_defconfig
@@ -20,7 +20,6 @@ CONFIG_MODULE_FORCE_UNLOAD=y
CONFIG_MODVERSIONS=y
CONFIG_BLK_DEV_INTEGRITY=y
CONFIG_PA8X00=y
-CONFIG_MLONGCALLS=y
CONFIG_64BIT=y
CONFIG_SMP=y
CONFIG_PREEMPT=y
@@ -81,8 +80,6 @@ CONFIG_IDE=y
CONFIG_BLK_DEV_IDECD=y
CONFIG_BLK_DEV_PLATFORM=y
CONFIG_BLK_DEV_GENERIC=y
-CONFIG_BLK_DEV_SIIMAGE=y
-CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
CONFIG_CHR_DEV_ST=m
CONFIG_BLK_DEV_SR=m
@@ -94,6 +91,8 @@ CONFIG_SCSI_FC_ATTRS=y
CONFIG_SCSI_SAS_LIBSAS=m
CONFIG_ISCSI_TCP=m
CONFIG_ISCSI_BOOT_SYSFS=m
+CONFIG_ATA=y
+CONFIG_PATA_SIL680=y
CONFIG_FUSION=y
CONFIG_FUSION_SPI=y
CONFIG_FUSION_SAS=y
@@ -114,9 +113,8 @@ CONFIG_INPUT_FF_MEMLESS=m
# CONFIG_KEYBOARD_ATKBD is not set
# CONFIG_KEYBOARD_HIL_OLD is not set
# CONFIG_KEYBOARD_HIL is not set
-CONFIG_MOUSE_PS2=m
+# CONFIG_MOUSE_PS2 is not set
CONFIG_INPUT_MISC=y
-CONFIG_INPUT_CM109=m
CONFIG_SERIO_SERPORT=m
CONFIG_SERIO_PARKBD=m
CONFIG_SERIO_GSCPS2=m
@@ -167,34 +165,6 @@ CONFIG_SND_VERBOSE_PRINTK=y
CONFIG_SND_AD1889=m
# CONFIG_SND_USB is not set
# CONFIG_SND_GSC is not set
-CONFIG_HID_A4TECH=m
-CONFIG_HID_APPLE=m
-CONFIG_HID_BELKIN=m
-CONFIG_HID_CHERRY=m
-CONFIG_HID_CHICONY=m
-CONFIG_HID_CYPRESS=m
-CONFIG_HID_DRAGONRISE=m
-CONFIG_HID_EZKEY=m
-CONFIG_HID_KYE=m
-CONFIG_HID_GYRATION=m
-CONFIG_HID_TWINHAN=m
-CONFIG_HID_KENSINGTON=m
-CONFIG_HID_LOGITECH=m
-CONFIG_HID_LOGITECH_DJ=m
-CONFIG_HID_MICROSOFT=m
-CONFIG_HID_MONTEREY=m
-CONFIG_HID_NTRIG=m
-CONFIG_HID_ORTEK=m
-CONFIG_HID_PANTHERLORD=m
-CONFIG_HID_PETALYNX=m
-CONFIG_HID_SAMSUNG=m
-CONFIG_HID_SUNPLUS=m
-CONFIG_HID_GREENASIA=m
-CONFIG_HID_SMARTJOYPLUS=m
-CONFIG_HID_TOPSEED=m
-CONFIG_HID_THRUSTMASTER=m
-CONFIG_HID_ZEROPLUS=m
-CONFIG_USB_HID=m
CONFIG_USB=y
CONFIG_USB_OHCI_HCD=y
CONFIG_USB_STORAGE=y
diff --git a/arch/parisc/configs/generic-64bit_defconfig b/arch/parisc/configs/generic-64bit_defconfig
index 5874cebee07..28c1b5de044 100644
--- a/arch/parisc/configs/generic-64bit_defconfig
+++ b/arch/parisc/configs/generic-64bit_defconfig
@@ -24,7 +24,6 @@ CONFIG_MODVERSIONS=y
CONFIG_BLK_DEV_INTEGRITY=y
# CONFIG_IOSCHED_DEADLINE is not set
CONFIG_PA8X00=y
-CONFIG_MLONGCALLS=y
CONFIG_64BIT=y
CONFIG_SMP=y
# CONFIG_COMPACTION is not set
@@ -68,7 +67,6 @@ CONFIG_IDE_GD=m
CONFIG_IDE_GD_ATAPI=y
CONFIG_BLK_DEV_IDECD=m
CONFIG_BLK_DEV_NS87415=y
-CONFIG_BLK_DEV_SIIMAGE=y
# CONFIG_SCSI_PROC_FS is not set
CONFIG_BLK_DEV_SD=y
CONFIG_BLK_DEV_SR=y
@@ -82,6 +80,7 @@ CONFIG_SCSI_ZALON=y
CONFIG_SCSI_QLA_ISCSI=m
CONFIG_SCSI_DH=y
CONFIG_ATA=y
+CONFIG_PATA_SIL680=y
CONFIG_ATA_GENERIC=y
CONFIG_MD=y
CONFIG_MD_LINEAR=m
@@ -162,7 +161,7 @@ CONFIG_SLIP_MODE_SLIP6=y
CONFIG_INPUT_EVDEV=y
# CONFIG_KEYBOARD_HIL_OLD is not set
# CONFIG_KEYBOARD_HIL is not set
-# CONFIG_INPUT_MOUSE is not set
+# CONFIG_MOUSE_PS2 is not set
CONFIG_INPUT_MISC=y
CONFIG_SERIO_SERPORT=m
# CONFIG_HP_SDC is not set
@@ -216,32 +215,7 @@ CONFIG_BACKLIGHT_LCD_SUPPORT=y
CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y
CONFIG_LOGO=y
# CONFIG_LOGO_LINUX_MONO is not set
-CONFIG_HID=m
CONFIG_HIDRAW=y
-CONFIG_HID_DRAGONRISE=m
-CONFIG_DRAGONRISE_FF=y
-CONFIG_HID_KYE=m
-CONFIG_HID_GYRATION=m
-CONFIG_HID_TWINHAN=m
-CONFIG_LOGITECH_FF=y
-CONFIG_LOGIRUMBLEPAD2_FF=y
-CONFIG_HID_NTRIG=m
-CONFIG_HID_PANTHERLORD=m
-CONFIG_PANTHERLORD_FF=y
-CONFIG_HID_PETALYNX=m
-CONFIG_HID_SAMSUNG=m
-CONFIG_HID_SONY=m
-CONFIG_HID_SUNPLUS=m
-CONFIG_HID_GREENASIA=m
-CONFIG_GREENASIA_FF=y
-CONFIG_HID_SMARTJOYPLUS=m
-CONFIG_SMARTJOYPLUS_FF=y
-CONFIG_HID_TOPSEED=m
-CONFIG_HID_THRUSTMASTER=m
-CONFIG_THRUSTMASTER_FF=y
-CONFIG_HID_ZEROPLUS=m
-CONFIG_ZEROPLUS_FF=y
-CONFIG_USB_HID=m
CONFIG_HID_PID=y
CONFIG_USB_HIDDEV=y
CONFIG_USB=y
@@ -251,13 +225,8 @@ CONFIG_USB_DYNAMIC_MINORS=y
CONFIG_USB_MON=m
CONFIG_USB_WUSB_CBAF=m
CONFIG_USB_XHCI_HCD=m
-CONFIG_USB_EHCI_HCD=m
-CONFIG_USB_OHCI_HCD=m
-CONFIG_USB_R8A66597_HCD=m
-CONFIG_USB_ACM=m
-CONFIG_USB_PRINTER=m
-CONFIG_USB_WDM=m
-CONFIG_USB_TMC=m
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_OHCI_HCD=y
CONFIG_NEW_LEDS=y
CONFIG_LEDS_CLASS=y
CONFIG_LEDS_TRIGGERS=y
diff --git a/arch/parisc/include/asm/Kbuild b/arch/parisc/include/asm/Kbuild
index a603b9ebe54..34b0be4ca52 100644
--- a/arch/parisc/include/asm/Kbuild
+++ b/arch/parisc/include/asm/Kbuild
@@ -1,4 +1,5 @@
+generic-y += barrier.h
generic-y += word-at-a-time.h auxvec.h user.h cputime.h emergency-restart.h \
segment.h topology.h vga.h device.h percpu.h hw_irq.h mutex.h \
div64.h irq_regs.h kdebug.h kvm_para.h local64.h local.h param.h \
diff --git a/arch/parisc/include/asm/barrier.h b/arch/parisc/include/asm/barrier.h
deleted file mode 100644
index e77d834aa80..00000000000
--- a/arch/parisc/include/asm/barrier.h
+++ /dev/null
@@ -1,35 +0,0 @@
-#ifndef __PARISC_BARRIER_H
-#define __PARISC_BARRIER_H
-
-/*
-** This is simply the barrier() macro from linux/kernel.h but when serial.c
-** uses tqueue.h uses smp_mb() defined using barrier(), linux/kernel.h
-** hasn't yet been included yet so it fails, thus repeating the macro here.
-**
-** PA-RISC architecture allows for weakly ordered memory accesses although
-** none of the processors use it. There is a strong ordered bit that is
-** set in the O-bit of the page directory entry. Operating systems that
-** can not tolerate out of order accesses should set this bit when mapping
-** pages. The O-bit of the PSW should also be set to 1 (I don't believe any
-** of the processor implemented the PSW O-bit). The PCX-W ERS states that
-** the TLB O-bit is not implemented so the page directory does not need to
-** have the O-bit set when mapping pages (section 3.1). This section also
-** states that the PSW Y, Z, G, and O bits are not implemented.
-** So it looks like nothing needs to be done for parisc-linux (yet).
-** (thanks to chada for the above comment -ggg)
-**
-** The __asm__ op below simple prevents gcc/ld from reordering
-** instructions across the mb() "call".
-*/
-#define mb() __asm__ __volatile__("":::"memory") /* barrier() */
-#define rmb() mb()
-#define wmb() mb()
-#define smp_mb() mb()
-#define smp_rmb() mb()
-#define smp_wmb() mb()
-#define smp_read_barrier_depends() do { } while(0)
-#define read_barrier_depends() do { } while(0)
-
-#define set_mb(var, value) do { var = value; mb(); } while (0)
-
-#endif /* __PARISC_BARRIER_H */
diff --git a/arch/parisc/include/asm/cacheflush.h b/arch/parisc/include/asm/cacheflush.h
index f0e2784e7cc..2f9b751878b 100644
--- a/arch/parisc/include/asm/cacheflush.h
+++ b/arch/parisc/include/asm/cacheflush.h
@@ -125,42 +125,38 @@ flush_anon_page(struct vm_area_struct *vma, struct page *page, unsigned long vma
void mark_rodata_ro(void);
#endif
-#ifdef CONFIG_PA8X00
-/* Only pa8800, pa8900 needs this */
-
#include <asm/kmap_types.h>
#define ARCH_HAS_KMAP
-void kunmap_parisc(void *addr);
-
static inline void *kmap(struct page *page)
{
might_sleep();
+ flush_dcache_page(page);
return page_address(page);
}
static inline void kunmap(struct page *page)
{
- kunmap_parisc(page_address(page));
+ flush_kernel_dcache_page_addr(page_address(page));
}
static inline void *kmap_atomic(struct page *page)
{
pagefault_disable();
+ flush_dcache_page(page);
return page_address(page);
}
static inline void __kunmap_atomic(void *addr)
{
- kunmap_parisc(addr);
+ flush_kernel_dcache_page_addr(addr);
pagefault_enable();
}
#define kmap_atomic_prot(page, prot) kmap_atomic(page)
#define kmap_atomic_pfn(pfn) kmap_atomic(pfn_to_page(pfn))
#define kmap_atomic_to_page(ptr) virt_to_page(ptr)
-#endif
#endif /* _PARISC_CACHEFLUSH_H */
diff --git a/arch/parisc/include/asm/page.h b/arch/parisc/include/asm/page.h
index b7adb2ac049..c53fc63149e 100644
--- a/arch/parisc/include/asm/page.h
+++ b/arch/parisc/include/asm/page.h
@@ -28,9 +28,8 @@ struct page;
void clear_page_asm(void *page);
void copy_page_asm(void *to, void *from);
-void clear_user_page(void *vto, unsigned long vaddr, struct page *pg);
-void copy_user_page(void *vto, void *vfrom, unsigned long vaddr,
- struct page *pg);
+#define clear_user_page(vto, vaddr, page) clear_page_asm(vto)
+#define copy_user_page(vto, vfrom, vaddr, page) copy_page_asm(vto, vfrom)
/* #define CONFIG_PARISC_TMPALIAS */
diff --git a/arch/parisc/include/asm/serial.h b/arch/parisc/include/asm/serial.h
index d7e3cc60dbc..77e9b67c87e 100644
--- a/arch/parisc/include/asm/serial.h
+++ b/arch/parisc/include/asm/serial.h
@@ -6,5 +6,3 @@
* This is used for 16550-compatible UARTs
*/
#define BASE_BAUD ( 1843200 / 16 )
-
-#define SERIAL_PORT_DFNS
diff --git a/arch/parisc/include/uapi/asm/socket.h b/arch/parisc/include/uapi/asm/socket.h
index f33113a6141..70b3674dac4 100644
--- a/arch/parisc/include/uapi/asm/socket.h
+++ b/arch/parisc/include/uapi/asm/socket.h
@@ -75,6 +75,6 @@
#define SO_BUSY_POLL 0x4027
-#define SO_MAX_PACING_RATE 0x4048
+#define SO_MAX_PACING_RATE 0x4028
#endif /* _UAPI_ASM_SOCKET_H */
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index c035673209f..a72545554a3 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -388,41 +388,6 @@ void flush_kernel_dcache_page_addr(void *addr)
}
EXPORT_SYMBOL(flush_kernel_dcache_page_addr);
-void clear_user_page(void *vto, unsigned long vaddr, struct page *page)
-{
- clear_page_asm(vto);
- if (!parisc_requires_coherency())
- flush_kernel_dcache_page_asm(vto);
-}
-EXPORT_SYMBOL(clear_user_page);
-
-void copy_user_page(void *vto, void *vfrom, unsigned long vaddr,
- struct page *pg)
-{
- /* Copy using kernel mapping. No coherency is needed
- (all in kmap/kunmap) on machines that don't support
- non-equivalent aliasing. However, the `from' page
- needs to be flushed before it can be accessed through
- the kernel mapping. */
- preempt_disable();
- flush_dcache_page_asm(__pa(vfrom), vaddr);
- preempt_enable();
- copy_page_asm(vto, vfrom);
- if (!parisc_requires_coherency())
- flush_kernel_dcache_page_asm(vto);
-}
-EXPORT_SYMBOL(copy_user_page);
-
-#ifdef CONFIG_PA8X00
-
-void kunmap_parisc(void *addr)
-{
- if (parisc_requires_coherency())
- flush_kernel_dcache_page_addr(addr);
-}
-EXPORT_SYMBOL(kunmap_parisc);
-#endif
-
void purge_tlb_entries(struct mm_struct *mm, unsigned long addr)
{
unsigned long flags;
diff --git a/arch/parisc/kernel/drivers.c b/arch/parisc/kernel/drivers.c
index 14285caec71..dba508fe168 100644
--- a/arch/parisc/kernel/drivers.c
+++ b/arch/parisc/kernel/drivers.c
@@ -282,18 +282,6 @@ find_pa_parent_type(const struct parisc_device *padev, int type)
return NULL;
}
-#ifdef CONFIG_PCI
-static inline int is_pci_dev(struct device *dev)
-{
- return dev->bus == &pci_bus_type;
-}
-#else
-static inline int is_pci_dev(struct device *dev)
-{
- return 0;
-}
-#endif
-
/*
* get_node_path fills in @path with the firmware path to the device.
* Note that if @node is a parisc device, we don't fill in the 'mod' field.
@@ -306,7 +294,7 @@ static void get_node_path(struct device *dev, struct hardware_path *path)
int i = 5;
memset(&path->bc, -1, 6);
- if (is_pci_dev(dev)) {
+ if (dev_is_pci(dev)) {
unsigned int devfn = to_pci_dev(dev)->devfn;
path->mod = PCI_FUNC(devfn);
path->bc[i--] = PCI_SLOT(devfn);
@@ -314,7 +302,7 @@ static void get_node_path(struct device *dev, struct hardware_path *path)
}
while (dev != &root) {
- if (is_pci_dev(dev)) {
+ if (dev_is_pci(dev)) {
unsigned int devfn = to_pci_dev(dev)->devfn;
path->bc[i--] = PCI_SLOT(devfn) | (PCI_FUNC(devfn)<< 5);
} else if (dev->bus == &parisc_bus_type) {
@@ -695,7 +683,7 @@ static int check_parent(struct device * dev, void * data)
if (dev->bus == &parisc_bus_type) {
if (match_parisc_device(dev, d->index, d->modpath))
d->dev = dev;
- } else if (is_pci_dev(dev)) {
+ } else if (dev_is_pci(dev)) {
if (match_pci_device(dev, d->index, d->modpath))
d->dev = dev;
} else if (dev->bus == NULL) {
@@ -753,7 +741,7 @@ struct device *hwpath_to_device(struct hardware_path *modpath)
if (!parent)
return NULL;
}
- if (is_pci_dev(parent)) /* pci devices already parse MOD */
+ if (dev_is_pci(parent)) /* pci devices already parse MOD */
return parent;
else
return parse_tree_node(parent, 6, modpath);
@@ -772,7 +760,7 @@ void device_to_hwpath(struct device *dev, struct hardware_path *path)
padev = to_parisc_device(dev);
get_node_path(dev->parent, path);
path->mod = padev->hw_path;
- } else if (is_pci_dev(dev)) {
+ } else if (dev_is_pci(dev)) {
get_node_path(dev, path);
}
}
diff --git a/arch/parisc/kernel/hardware.c b/arch/parisc/kernel/hardware.c
index 06cb3992907..608716f8496 100644
--- a/arch/parisc/kernel/hardware.c
+++ b/arch/parisc/kernel/hardware.c
@@ -36,6 +36,9 @@
* HP PARISC Hardware Database
* Access to this database is only possible during bootup
* so don't reference this table after starting the init process
+ *
+ * NOTE: Product names which are listed here and ends with a '?'
+ * are guessed. If you know the correct name, please let us know.
*/
static struct hp_hardware hp_hardware_list[] = {
@@ -222,7 +225,7 @@ static struct hp_hardware hp_hardware_list[] = {
{HPHW_NPROC,0x5DD,0x4,0x81,"Duet W2"},
{HPHW_NPROC,0x5DE,0x4,0x81,"Piccolo W+"},
{HPHW_NPROC,0x5DF,0x4,0x81,"Cantata W2"},
- {HPHW_NPROC,0x5DF,0x0,0x00,"Marcato W+? (rp5470)"},
+ {HPHW_NPROC,0x5DF,0x0,0x00,"Marcato W+ (rp5470)?"},
{HPHW_NPROC,0x5E0,0x4,0x91,"Cantata DC- W2"},
{HPHW_NPROC,0x5E1,0x4,0x91,"Crescendo DC- W2"},
{HPHW_NPROC,0x5E2,0x4,0x91,"Crescendo 650 W2"},
@@ -276,9 +279,11 @@ static struct hp_hardware hp_hardware_list[] = {
{HPHW_NPROC,0x888,0x4,0x91,"Storm Peak Fast DC-"},
{HPHW_NPROC,0x889,0x4,0x91,"Storm Peak Fast"},
{HPHW_NPROC,0x88A,0x4,0x91,"Crestone Peak Slow"},
+ {HPHW_NPROC,0x88B,0x4,0x91,"Crestone Peak Fast?"},
{HPHW_NPROC,0x88C,0x4,0x91,"Orca Mako+"},
{HPHW_NPROC,0x88D,0x4,0x91,"Rainier/Medel Mako+ Slow"},
{HPHW_NPROC,0x88E,0x4,0x91,"Rainier/Medel Mako+ Fast"},
+ {HPHW_NPROC,0x892,0x4,0x91,"Mt. Hamilton Slow Mako+?"},
{HPHW_NPROC,0x894,0x4,0x91,"Mt. Hamilton Fast Mako+"},
{HPHW_NPROC,0x895,0x4,0x91,"Storm Peak Slow Mako+"},
{HPHW_NPROC,0x896,0x4,0x91,"Storm Peak Fast Mako+"},
diff --git a/arch/parisc/kernel/head.S b/arch/parisc/kernel/head.S
index d2d58258aea..d4dc588c0dc 100644
--- a/arch/parisc/kernel/head.S
+++ b/arch/parisc/kernel/head.S
@@ -41,9 +41,7 @@ END(boot_args)
.import fault_vector_11,code /* IVA parisc 1.1 32 bit */
.import $global$ /* forward declaration */
#endif /*!CONFIG_64BIT*/
- .export _stext,data /* Kernel want it this way! */
-_stext:
-ENTRY(stext)
+ENTRY(parisc_kernel_start)
.proc
.callinfo
@@ -347,7 +345,7 @@ smp_slave_stext:
.procend
#endif /* CONFIG_SMP */
-ENDPROC(stext)
+ENDPROC(parisc_kernel_start)
#ifndef CONFIG_64BIT
.section .data..read_mostly
diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c
index 5dfd248e3f1..0d3a9d4927b 100644
--- a/arch/parisc/kernel/sys_parisc.c
+++ b/arch/parisc/kernel/sys_parisc.c
@@ -61,8 +61,15 @@ static int get_offset(struct address_space *mapping)
return (unsigned long) mapping >> 8;
}
-static unsigned long get_shared_area(struct address_space *mapping,
- unsigned long addr, unsigned long len, unsigned long pgoff)
+static unsigned long shared_align_offset(struct file *filp, unsigned long pgoff)
+{
+ struct address_space *mapping = filp ? filp->f_mapping : NULL;
+
+ return (get_offset(mapping) + pgoff) << PAGE_SHIFT;
+}
+
+static unsigned long get_shared_area(struct file *filp, unsigned long addr,
+ unsigned long len, unsigned long pgoff)
{
struct vm_unmapped_area_info info;
@@ -71,7 +78,7 @@ static unsigned long get_shared_area(struct address_space *mapping,
info.low_limit = PAGE_ALIGN(addr);
info.high_limit = TASK_SIZE;
info.align_mask = PAGE_MASK & (SHMLBA - 1);
- info.align_offset = (get_offset(mapping) + pgoff) << PAGE_SHIFT;
+ info.align_offset = shared_align_offset(filp, pgoff);
return vm_unmapped_area(&info);
}
@@ -82,20 +89,18 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
return -ENOMEM;
if (flags & MAP_FIXED) {
if ((flags & MAP_SHARED) &&
- (addr - (pgoff << PAGE_SHIFT)) & (SHMLBA - 1))
+ (addr - shared_align_offset(filp, pgoff)) & (SHMLBA - 1))
return -EINVAL;
return addr;
}
if (!addr)
addr = TASK_UNMAPPED_BASE;
- if (filp) {
- addr = get_shared_area(filp->f_mapping, addr, len, pgoff);
- } else if(flags & MAP_SHARED) {
- addr = get_shared_area(NULL, addr, len, pgoff);
- } else {
+ if (filp || (flags & MAP_SHARED))
+ addr = get_shared_area(filp, addr, len, pgoff);
+ else
addr = get_unshared_area(addr, len);
- }
+
return addr;
}
diff --git a/arch/parisc/kernel/unwind.c b/arch/parisc/kernel/unwind.c
index 76ed62ed785..ddd988b267a 100644
--- a/arch/parisc/kernel/unwind.c
+++ b/arch/parisc/kernel/unwind.c
@@ -168,7 +168,7 @@ void unwind_table_remove(struct unwind_table *table)
}
/* Called from setup_arch to import the kernel unwind info */
-int unwind_init(void)
+int __init unwind_init(void)
{
long start, stop;
register unsigned long gp __asm__ ("r27");
@@ -233,7 +233,6 @@ static void unwind_frame_regs(struct unwind_frame_info *info)
e = find_unwind_entry(info->ip);
if (e == NULL) {
unsigned long sp;
- extern char _stext[], _etext[];
dbg("Cannot find unwind entry for 0x%lx; forced unwinding\n", info->ip);
@@ -281,8 +280,7 @@ static void unwind_frame_regs(struct unwind_frame_info *info)
break;
info->prev_ip = tmp;
sp = info->prev_sp;
- } while (info->prev_ip < (unsigned long)_stext ||
- info->prev_ip > (unsigned long)_etext);
+ } while (!kernel_text_address(info->prev_ip));
info->rp = 0;
@@ -435,9 +433,8 @@ unsigned long return_address(unsigned int level)
do {
if (unwind_once(&info) < 0 || info.ip == 0)
return 0;
- if (!__kernel_text_address(info.ip)) {
+ if (!kernel_text_address(info.ip))
return 0;
- }
} while (info.ip && level--);
return info.ip;
diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S
index 4bb095a2f6f..0dacc5ca555 100644
--- a/arch/parisc/kernel/vmlinux.lds.S
+++ b/arch/parisc/kernel/vmlinux.lds.S
@@ -6,24 +6,19 @@
* Copyright (C) 2000 Michael Ang <mang with subcarrier.org>
* Copyright (C) 2002 Randolph Chung <tausq with parisc-linux.org>
* Copyright (C) 2003 James Bottomley <jejb with parisc-linux.org>
- * Copyright (C) 2006 Helge Deller <deller@gmx.de>
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Copyright (C) 2006-2013 Helge Deller <deller@gmx.de>
+ */
+
+/*
+ * Put page table entries (swapper_pg_dir) as the first thing in .bss. This
+ * will ensure that it has .bss alignment (PAGE_SIZE).
*/
+#define BSS_FIRST_SECTIONS *(.data..vm0.pmd) \
+ *(.data..vm0.pgd) \
+ *(.data..vm0.pte)
+
#include <asm-generic/vmlinux.lds.h>
+
/* needed for the processor specific cache alignment size */
#include <asm/cache.h>
#include <asm/page.h>
@@ -39,7 +34,7 @@ OUTPUT_FORMAT("elf64-hppa-linux")
OUTPUT_ARCH(hppa:hppa2.0w)
#endif
-ENTRY(_stext)
+ENTRY(parisc_kernel_start)
#ifndef CONFIG_64BIT
jiffies = jiffies_64 + 4;
#else
@@ -49,11 +44,29 @@ SECTIONS
{
. = KERNEL_BINARY_TEXT_START;
+ __init_begin = .;
+ HEAD_TEXT_SECTION
+ INIT_TEXT_SECTION(8)
+
+ . = ALIGN(PAGE_SIZE);
+ INIT_DATA_SECTION(PAGE_SIZE)
+ /* we have to discard exit text and such at runtime, not link time */
+ .exit.text :
+ {
+ EXIT_TEXT
+ }
+ .exit.data :
+ {
+ EXIT_DATA
+ }
+ PERCPU_SECTION(8)
+ . = ALIGN(PAGE_SIZE);
+ __init_end = .;
+ /* freed after init ends here */
+
_text = .; /* Text and read-only data */
- .head ALIGN(16) : {
- HEAD_TEXT
- } = 0
- .text ALIGN(16) : {
+ _stext = .;
+ .text ALIGN(PAGE_SIZE) : {
TEXT_TEXT
SCHED_TEXT
LOCK_TEXT
@@ -68,21 +81,28 @@ SECTIONS
*(.lock.text) /* out-of-line lock text */
*(.gnu.warning)
}
- /* End of text section */
+ . = ALIGN(PAGE_SIZE);
_etext = .;
+ /* End of text section */
/* Start of data section */
_sdata = .;
- RODATA
+ RO_DATA_SECTION(8)
- /* writeable */
- /* Make sure this is page aligned so
- * that we can properly leave these
- * as writable
- */
- . = ALIGN(PAGE_SIZE);
- data_start = .;
+#ifdef CONFIG_64BIT
+ . = ALIGN(16);
+ /* Linkage tables */
+ .opd : {
+ *(.opd)
+ } PROVIDE (__gp = .);
+ .plt : {
+ *(.plt)
+ }
+ .dlt : {
+ *(.dlt)
+ }
+#endif
/* unwind info */
.PARISC.unwind : {
@@ -91,7 +111,15 @@ SECTIONS
__stop___unwind = .;
}
- EXCEPTION_TABLE(16)
+ /* writeable */
+ /* Make sure this is page aligned so
+ * that we can properly leave these
+ * as writable
+ */
+ . = ALIGN(PAGE_SIZE);
+ data_start = .;
+
+ EXCEPTION_TABLE(8)
NOTES
/* Data */
@@ -107,54 +135,8 @@ SECTIONS
_edata = .;
/* BSS */
- __bss_start = .;
- /* page table entries need to be PAGE_SIZE aligned */
- . = ALIGN(PAGE_SIZE);
- .data..vmpages : {
- *(.data..vm0.pmd)
- *(.data..vm0.pgd)
- *(.data..vm0.pte)
- }
- .bss : {
- *(.bss)
- *(COMMON)
- }
- __bss_stop = .;
-
-#ifdef CONFIG_64BIT
- . = ALIGN(16);
- /* Linkage tables */
- .opd : {
- *(.opd)
- } PROVIDE (__gp = .);
- .plt : {
- *(.plt)
- }
- .dlt : {
- *(.dlt)
- }
-#endif
+ BSS_SECTION(PAGE_SIZE, PAGE_SIZE, 8)
- /* reserve space for interrupt stack by aligning __init* to 16k */
- . = ALIGN(16384);
- __init_begin = .;
- INIT_TEXT_SECTION(16384)
- . = ALIGN(PAGE_SIZE);
- INIT_DATA_SECTION(16)
- /* we have to discard exit text and such at runtime, not link time */
- .exit.text :
- {
- EXIT_TEXT
- }
- .exit.data :
- {
- EXIT_DATA
- }
-
- PERCPU_SECTION(L1_CACHE_BYTES)
- . = ALIGN(PAGE_SIZE);
- __init_end = .;
- /* freed after init ends here */
_end = . ;
STABS_DEBUG
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index b0f96c0e631..ae085ad0fba 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -32,6 +32,7 @@
#include <asm/sections.h>
extern int data_start;
+extern void parisc_kernel_start(void); /* Kernel entry point in head.S */
#if PT_NLEVELS == 3
/* NOTE: This layout exactly conforms to the hybrid L2/L3 page table layout
@@ -324,8 +325,9 @@ static void __init setup_bootmem(void)
reserve_bootmem_node(NODE_DATA(0), 0UL,
(unsigned long)(PAGE0->mem_free +
PDC_CONSOLE_IO_IODC_SIZE), BOOTMEM_DEFAULT);
- reserve_bootmem_node(NODE_DATA(0), __pa((unsigned long)_text),
- (unsigned long)(_end - _text), BOOTMEM_DEFAULT);
+ reserve_bootmem_node(NODE_DATA(0), __pa(KERNEL_BINARY_TEXT_START),
+ (unsigned long)(_end - KERNEL_BINARY_TEXT_START),
+ BOOTMEM_DEFAULT);
reserve_bootmem_node(NODE_DATA(0), (bootmap_start_pfn << PAGE_SHIFT),
((bootmap_pfn - bootmap_start_pfn) << PAGE_SHIFT),
BOOTMEM_DEFAULT);
@@ -378,6 +380,17 @@ static void __init setup_bootmem(void)
request_resource(&sysram_resources[0], &pdcdata_resource);
}
+static int __init parisc_text_address(unsigned long vaddr)
+{
+ static unsigned long head_ptr __initdata;
+
+ if (!head_ptr)
+ head_ptr = PAGE_MASK & (unsigned long)
+ dereference_function_descriptor(&parisc_kernel_start);
+
+ return core_kernel_text(vaddr) || vaddr == head_ptr;
+}
+
static void __init map_pages(unsigned long start_vaddr,
unsigned long start_paddr, unsigned long size,
pgprot_t pgprot, int force)
@@ -466,7 +479,7 @@ static void __init map_pages(unsigned long start_vaddr,
*/
if (force)
pte = __mk_pte(address, pgprot);
- else if (core_kernel_text(vaddr) &&
+ else if (parisc_text_address(vaddr) &&
address != fv_addr)
pte = __mk_pte(address, PAGE_KERNEL_EXEC);
else
@@ -632,55 +645,30 @@ EXPORT_SYMBOL(empty_zero_page);
void show_mem(unsigned int filter)
{
- int i,free = 0,total = 0,reserved = 0;
- int shared = 0, cached = 0;
+ int total = 0,reserved = 0;
+ pg_data_t *pgdat;
printk(KERN_INFO "Mem-info:\n");
show_free_areas(filter);
- if (filter & SHOW_MEM_FILTER_PAGE_COUNT)
- return;
-#ifndef CONFIG_DISCONTIGMEM
- i = max_mapnr;
- while (i-- > 0) {
- total++;
- if (PageReserved(mem_map+i))
- reserved++;
- else if (PageSwapCache(mem_map+i))
- cached++;
- else if (!page_count(&mem_map[i]))
- free++;
- else
- shared += page_count(&mem_map[i]) - 1;
- }
-#else
- for (i = 0; i < npmem_ranges; i++) {
- int j;
- for (j = node_start_pfn(i); j < node_end_pfn(i); j++) {
- struct page *p;
- unsigned long flags;
-
- pgdat_resize_lock(NODE_DATA(i), &flags);
- p = nid_page_nr(i, j) - node_start_pfn(i);
-
- total++;
- if (PageReserved(p))
- reserved++;
- else if (PageSwapCache(p))
- cached++;
- else if (!page_count(p))
- free++;
- else
- shared += page_count(p) - 1;
- pgdat_resize_unlock(NODE_DATA(i), &flags);
- }
+ for_each_online_pgdat(pgdat) {
+ unsigned long flags;
+ int zoneid;
+
+ pgdat_resize_lock(pgdat, &flags);
+ for (zoneid = 0; zoneid < MAX_NR_ZONES; zoneid++) {
+ struct zone *zone = &pgdat->node_zones[zoneid];
+ if (!populated_zone(zone))
+ continue;
+
+ total += zone->present_pages;
+ reserved = zone->present_pages - zone->managed_pages;
+ }
+ pgdat_resize_unlock(pgdat, &flags);
}
-#endif
+
printk(KERN_INFO "%d pages of RAM\n", total);
printk(KERN_INFO "%d reserved pages\n", reserved);
- printk(KERN_INFO "%d pages shared\n", shared);
- printk(KERN_INFO "%d pages swap cached\n", cached);
-
#ifdef CONFIG_DISCONTIGMEM
{
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index b44b52c0a8f..b2be8e8cb5c 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -147,6 +147,10 @@ config EARLY_PRINTK
bool
default y
+config PANIC_TIMEOUT
+ int
+ default 180
+
config COMPAT
bool
default y if PPC64
diff --git a/arch/powerpc/boot/dts/mpc5121.dtsi b/arch/powerpc/boot/dts/mpc5121.dtsi
index bd14c00e514..2d7cb04ac96 100644
--- a/arch/powerpc/boot/dts/mpc5121.dtsi
+++ b/arch/powerpc/boot/dts/mpc5121.dtsi
@@ -77,7 +77,6 @@
compatible = "fsl,mpc5121-immr";
#address-cells = <1>;
#size-cells = <1>;
- #interrupt-cells = <2>;
ranges = <0x0 0x80000000 0x400000>;
reg = <0x80000000 0x400000>;
bus-frequency = <66000000>; /* 66 MHz ips bus */
diff --git a/arch/powerpc/boot/dts/mpc5125twr.dts b/arch/powerpc/boot/dts/mpc5125twr.dts
index 4177b62240c..a618dfc13e4 100644
--- a/arch/powerpc/boot/dts/mpc5125twr.dts
+++ b/arch/powerpc/boot/dts/mpc5125twr.dts
@@ -58,7 +58,6 @@
compatible = "fsl,mpc5121-immr";
#address-cells = <1>;
#size-cells = <1>;
- #interrupt-cells = <2>;
ranges = <0x0 0x80000000 0x400000>;
reg = <0x80000000 0x400000>;
bus-frequency = <66000000>; // 66 MHz ips bus
@@ -189,6 +188,10 @@
reg = <0xA000 0x1000>;
};
+ // disable USB1 port
+ // TODO:
+ // correct pinmux config and fix USB3320 ulpi dependency
+ // before re-enabling it
usb@3000 {
compatible = "fsl,mpc5121-usb2-dr";
reg = <0x3000 0x400>;
@@ -197,6 +200,7 @@
interrupts = <43 0x8>;
dr_mode = "host";
phy_type = "ulpi";
+ status = "disabled";
};
// 5125 PSCs are not 52xx or 5121 PSC compatible
diff --git a/arch/powerpc/configs/52xx/cm5200_defconfig b/arch/powerpc/configs/52xx/cm5200_defconfig
index 69b57daf402..0b88c7b30bb 100644
--- a/arch/powerpc/configs/52xx/cm5200_defconfig
+++ b/arch/powerpc/configs/52xx/cm5200_defconfig
@@ -12,7 +12,6 @@ CONFIG_EXPERT=y
CONFIG_PPC_MPC52xx=y
CONFIG_PPC_MPC5200_SIMPLE=y
# CONFIG_PPC_PMAC is not set
-CONFIG_PPC_BESTCOMM=y
CONFIG_SPARSE_IRQ=y
CONFIG_PM=y
# CONFIG_PCI is not set
@@ -71,6 +70,8 @@ CONFIG_USB_DEVICEFS=y
CONFIG_USB_OHCI_HCD=y
CONFIG_USB_OHCI_HCD_PPC_OF_BE=y
CONFIG_USB_STORAGE=y
+CONFIG_DMADEVICES=y
+CONFIG_PPC_BESTCOMM=y
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
diff --git a/arch/powerpc/configs/52xx/lite5200b_defconfig b/arch/powerpc/configs/52xx/lite5200b_defconfig
index f3638ae0a62..104a332e79a 100644
--- a/arch/powerpc/configs/52xx/lite5200b_defconfig
+++ b/arch/powerpc/configs/52xx/lite5200b_defconfig
@@ -15,7 +15,6 @@ CONFIG_PPC_MPC52xx=y
CONFIG_PPC_MPC5200_SIMPLE=y
CONFIG_PPC_LITE5200=y
# CONFIG_PPC_PMAC is not set
-CONFIG_PPC_BESTCOMM=y
CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_SPARSE_IRQ=y
@@ -59,6 +58,8 @@ CONFIG_I2C_CHARDEV=y
CONFIG_I2C_MPC=y
# CONFIG_HWMON is not set
CONFIG_VIDEO_OUTPUT_CONTROL=m
+CONFIG_DMADEVICES=y
+CONFIG_PPC_BESTCOMM=y
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
diff --git a/arch/powerpc/configs/52xx/motionpro_defconfig b/arch/powerpc/configs/52xx/motionpro_defconfig
index 0c7de9620ea..0d13ad7e447 100644
--- a/arch/powerpc/configs/52xx/motionpro_defconfig
+++ b/arch/powerpc/configs/52xx/motionpro_defconfig
@@ -12,7 +12,6 @@ CONFIG_EXPERT=y
CONFIG_PPC_MPC52xx=y
CONFIG_PPC_MPC5200_SIMPLE=y
# CONFIG_PPC_PMAC is not set
-CONFIG_PPC_BESTCOMM=y
CONFIG_SPARSE_IRQ=y
CONFIG_PM=y
# CONFIG_PCI is not set
@@ -84,6 +83,8 @@ CONFIG_LEDS_TRIGGERS=y
CONFIG_LEDS_TRIGGER_TIMER=y
CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_DS1307=y
+CONFIG_DMADEVICES=y
+CONFIG_PPC_BESTCOMM=y
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
diff --git a/arch/powerpc/configs/52xx/pcm030_defconfig b/arch/powerpc/configs/52xx/pcm030_defconfig
index 22e719575c6..430aa182fa1 100644
--- a/arch/powerpc/configs/52xx/pcm030_defconfig
+++ b/arch/powerpc/configs/52xx/pcm030_defconfig
@@ -21,7 +21,6 @@ CONFIG_MODULE_UNLOAD=y
CONFIG_PPC_MPC52xx=y
CONFIG_PPC_MPC5200_SIMPLE=y
# CONFIG_PPC_PMAC is not set
-CONFIG_PPC_BESTCOMM=y
CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_HZ_100=y
@@ -87,6 +86,8 @@ CONFIG_USB_OHCI_HCD_PPC_OF_BE=y
CONFIG_USB_STORAGE=m
CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_PCF8563=m
+CONFIG_DMADEVICES=y
+CONFIG_PPC_BESTCOMM=y
CONFIG_EXT2_FS=m
CONFIG_EXT3_FS=m
# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
diff --git a/arch/powerpc/configs/52xx/tqm5200_defconfig b/arch/powerpc/configs/52xx/tqm5200_defconfig
index 716a37be16e..7af4c5bb7c6 100644
--- a/arch/powerpc/configs/52xx/tqm5200_defconfig
+++ b/arch/powerpc/configs/52xx/tqm5200_defconfig
@@ -17,7 +17,6 @@ CONFIG_PPC_MPC52xx=y
CONFIG_PPC_MPC5200_SIMPLE=y
CONFIG_PPC_MPC5200_BUGFIX=y
# CONFIG_PPC_PMAC is not set
-CONFIG_PPC_BESTCOMM=y
CONFIG_PM=y
# CONFIG_PCI is not set
CONFIG_NET=y
@@ -86,6 +85,8 @@ CONFIG_USB_STORAGE=y
CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_DS1307=y
CONFIG_RTC_DRV_DS1374=y
+CONFIG_DMADEVICES=y
+CONFIG_PPC_BESTCOMM=y
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
diff --git a/arch/powerpc/configs/mpc5200_defconfig b/arch/powerpc/configs/mpc5200_defconfig
index 6640a35bebb..8b682d1cf4d 100644
--- a/arch/powerpc/configs/mpc5200_defconfig
+++ b/arch/powerpc/configs/mpc5200_defconfig
@@ -15,7 +15,6 @@ CONFIG_PPC_MEDIA5200=y
CONFIG_PPC_MPC5200_BUGFIX=y
CONFIG_PPC_MPC5200_LPBFIFO=m
# CONFIG_PPC_PMAC is not set
-CONFIG_PPC_BESTCOMM=y
CONFIG_SIMPLE_GPIO=y
CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
@@ -125,6 +124,8 @@ CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_DS1307=y
CONFIG_RTC_DRV_DS1374=y
CONFIG_RTC_DRV_PCF8563=m
+CONFIG_DMADEVICES=y
+CONFIG_PPC_BESTCOMM=y
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
diff --git a/arch/powerpc/configs/pasemi_defconfig b/arch/powerpc/configs/pasemi_defconfig
index bd8a6f71944..cec044a3ff6 100644
--- a/arch/powerpc/configs/pasemi_defconfig
+++ b/arch/powerpc/configs/pasemi_defconfig
@@ -2,7 +2,6 @@ CONFIG_PPC64=y
CONFIG_ALTIVEC=y
CONFIG_SMP=y
CONFIG_NR_CPUS=2
-CONFIG_EXPERIMENTAL=y
CONFIG_SYSVIPC=y
CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
@@ -45,8 +44,9 @@ CONFIG_INET_AH=y
CONFIG_INET_ESP=y
# CONFIG_IPV6 is not set
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
CONFIG_MTD=y
-CONFIG_MTD_CHAR=y
CONFIG_MTD_BLOCK=y
CONFIG_MTD_SLRAM=y
CONFIG_MTD_PHRAM=y
@@ -88,7 +88,6 @@ CONFIG_BLK_DEV_DM=y
CONFIG_DM_CRYPT=y
CONFIG_NETDEVICES=y
CONFIG_DUMMY=y
-CONFIG_MII=y
CONFIG_TIGON3=y
CONFIG_E1000=y
CONFIG_PASEMI_MAC=y
@@ -174,8 +173,8 @@ CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
CONFIG_CRC_CCITT=y
CONFIG_PRINTK_TIME=y
-CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_FS=y
+CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_KERNEL=y
CONFIG_DETECT_HUNG_TASK=y
# CONFIG_SCHED_DEBUG is not set
diff --git a/arch/powerpc/include/asm/barrier.h b/arch/powerpc/include/asm/barrier.h
index ae782254e73..f89da808ce3 100644
--- a/arch/powerpc/include/asm/barrier.h
+++ b/arch/powerpc/include/asm/barrier.h
@@ -45,11 +45,15 @@
# define SMPWMB eieio
#endif
+#define __lwsync() __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory")
+
#define smp_mb() mb()
-#define smp_rmb() __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory")
+#define smp_rmb() __lwsync()
#define smp_wmb() __asm__ __volatile__ (stringify_in_c(SMPWMB) : : :"memory")
#define smp_read_barrier_depends() read_barrier_depends()
#else
+#define __lwsync() barrier()
+
#define smp_mb() barrier()
#define smp_rmb() barrier()
#define smp_wmb() barrier()
@@ -65,4 +69,19 @@
#define data_barrier(x) \
asm volatile("twi 0,%0,0; isync" : : "r" (x) : "memory");
+#define smp_store_release(p, v) \
+do { \
+ compiletime_assert_atomic_type(*p); \
+ __lwsync(); \
+ ACCESS_ONCE(*p) = (v); \
+} while (0)
+
+#define smp_load_acquire(p) \
+({ \
+ typeof(*p) ___p1 = ACCESS_ONCE(*p); \
+ compiletime_assert_atomic_type(*p); \
+ __lwsync(); \
+ ___p1; \
+})
+
#endif /* _ASM_POWERPC_BARRIER_H */
diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h
index 894662a5d4d..243ce69ad68 100644
--- a/arch/powerpc/include/asm/exception-64s.h
+++ b/arch/powerpc/include/asm/exception-64s.h
@@ -284,7 +284,7 @@ do_kvm_##n: \
subi r1,r1,INT_FRAME_SIZE; /* alloc frame on kernel stack */ \
beq- 1f; \
ld r1,PACAKSAVE(r13); /* kernel stack to use */ \
-1: cmpdi cr1,r1,0; /* check if r1 is in userspace */ \
+1: cmpdi cr1,r1,-INT_FRAME_SIZE; /* check if r1 is in userspace */ \
blt+ cr1,3f; /* abort if it is */ \
li r1,(n); /* will be reloaded later */ \
sth r1,PACA_TRAP_SAVE(r13); \
diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index 4a594b76674..bc23b1ba798 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -192,6 +192,10 @@ extern void kvmppc_load_up_vsx(void);
extern u32 kvmppc_alignment_dsisr(struct kvm_vcpu *vcpu, unsigned int inst);
extern ulong kvmppc_alignment_dar(struct kvm_vcpu *vcpu, unsigned int inst);
extern int kvmppc_h_pr(struct kvm_vcpu *vcpu, unsigned long cmd);
+extern void kvmppc_copy_to_svcpu(struct kvmppc_book3s_shadow_vcpu *svcpu,
+ struct kvm_vcpu *vcpu);
+extern void kvmppc_copy_from_svcpu(struct kvm_vcpu *vcpu,
+ struct kvmppc_book3s_shadow_vcpu *svcpu);
static inline struct kvmppc_vcpu_book3s *to_book3s(struct kvm_vcpu *vcpu)
{
diff --git a/arch/powerpc/include/asm/kvm_book3s_asm.h b/arch/powerpc/include/asm/kvm_book3s_asm.h
index 0bd9348a4db..192917d2239 100644
--- a/arch/powerpc/include/asm/kvm_book3s_asm.h
+++ b/arch/powerpc/include/asm/kvm_book3s_asm.h
@@ -79,6 +79,7 @@ struct kvmppc_host_state {
ulong vmhandler;
ulong scratch0;
ulong scratch1;
+ ulong scratch2;
u8 in_guest;
u8 restore_hid5;
u8 napping;
@@ -106,6 +107,7 @@ struct kvmppc_host_state {
};
struct kvmppc_book3s_shadow_vcpu {
+ bool in_use;
ulong gpr[14];
u32 cr;
u32 xer;
diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h
index 033c06be1d8..7bdcf340016 100644
--- a/arch/powerpc/include/asm/opal.h
+++ b/arch/powerpc/include/asm/opal.h
@@ -720,13 +720,13 @@ int64_t opal_pci_next_error(uint64_t phb_id, uint64_t *first_frozen_pe,
int64_t opal_pci_poll(uint64_t phb_id);
int64_t opal_return_cpu(void);
-int64_t opal_xscom_read(uint32_t gcid, uint32_t pcb_addr, uint64_t *val);
+int64_t opal_xscom_read(uint32_t gcid, uint32_t pcb_addr, __be64 *val);
int64_t opal_xscom_write(uint32_t gcid, uint32_t pcb_addr, uint64_t val);
int64_t opal_lpc_write(uint32_t chip_id, enum OpalLPCAddressType addr_type,
uint32_t addr, uint32_t data, uint32_t sz);
int64_t opal_lpc_read(uint32_t chip_id, enum OpalLPCAddressType addr_type,
- uint32_t addr, uint32_t *data, uint32_t sz);
+ uint32_t addr, __be32 *data, uint32_t sz);
int64_t opal_validate_flash(uint64_t buffer, uint32_t *size, uint32_t *result);
int64_t opal_manage_flash(uint8_t op);
int64_t opal_update_flash(uint64_t blk_list);
diff --git a/arch/powerpc/include/asm/pgalloc-32.h b/arch/powerpc/include/asm/pgalloc-32.h
index 27b2386f738..842846c1b71 100644
--- a/arch/powerpc/include/asm/pgalloc-32.h
+++ b/arch/powerpc/include/asm/pgalloc-32.h
@@ -84,10 +84,8 @@ static inline void pgtable_free_tlb(struct mmu_gather *tlb,
static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t table,
unsigned long address)
{
- struct page *page = page_address(table);
-
tlb_flush_pgtable(tlb, address);
- pgtable_page_dtor(page);
- pgtable_free_tlb(tlb, page, 0);
+ pgtable_page_dtor(table);
+ pgtable_free_tlb(tlb, page_address(table), 0);
}
#endif /* _ASM_POWERPC_PGALLOC_32_H */
diff --git a/arch/powerpc/include/asm/pgalloc-64.h b/arch/powerpc/include/asm/pgalloc-64.h
index 694012877bf..4b0be20fcbf 100644
--- a/arch/powerpc/include/asm/pgalloc-64.h
+++ b/arch/powerpc/include/asm/pgalloc-64.h
@@ -148,11 +148,9 @@ static inline void pgtable_free_tlb(struct mmu_gather *tlb,
static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t table,
unsigned long address)
{
- struct page *page = page_address(table);
-
tlb_flush_pgtable(tlb, address);
- pgtable_page_dtor(page);
- pgtable_free_tlb(tlb, page, 0);
+ pgtable_page_dtor(table);
+ pgtable_free_tlb(tlb, page_address(table), 0);
}
#else /* if CONFIG_PPC_64K_PAGES */
diff --git a/arch/powerpc/include/asm/setup.h b/arch/powerpc/include/asm/setup.h
index 703a8412dac..11ba86e1763 100644
--- a/arch/powerpc/include/asm/setup.h
+++ b/arch/powerpc/include/asm/setup.h
@@ -26,6 +26,7 @@ extern void reloc_got2(unsigned long);
void check_for_initrd(void);
void do_init_bootmem(void);
void setup_panic(void);
+#define ARCH_PANIC_TIMEOUT 180
#endif /* !__ASSEMBLY__ */
diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h
index 5f54a744dcc..f6e78d63fb6 100644
--- a/arch/powerpc/include/asm/spinlock.h
+++ b/arch/powerpc/include/asm/spinlock.h
@@ -28,6 +28,8 @@
#include <asm/synch.h>
#include <asm/ppc-opcode.h>
+#define smp_mb__after_unlock_lock() smp_mb() /* Full ordering for lock. */
+
#define arch_spin_is_locked(x) ((x)->slock != 0)
#ifdef CONFIG_PPC64
diff --git a/arch/powerpc/include/asm/switch_to.h b/arch/powerpc/include/asm/switch_to.h
index 9ee12610af0..aace9054761 100644
--- a/arch/powerpc/include/asm/switch_to.h
+++ b/arch/powerpc/include/asm/switch_to.h
@@ -35,7 +35,7 @@ extern void giveup_vsx(struct task_struct *);
extern void enable_kernel_spe(void);
extern void giveup_spe(struct task_struct *);
extern void load_up_spe(struct task_struct *);
-extern void switch_booke_debug_regs(struct thread_struct *new_thread);
+extern void switch_booke_debug_regs(struct debug_reg *new_debug);
#ifndef CONFIG_SMP
extern void discard_lazy_cpu_state(void);
diff --git a/arch/powerpc/include/asm/unaligned.h b/arch/powerpc/include/asm/unaligned.h
index 5f1b1e3c213..8296381ae43 100644
--- a/arch/powerpc/include/asm/unaligned.h
+++ b/arch/powerpc/include/asm/unaligned.h
@@ -4,13 +4,18 @@
#ifdef __KERNEL__
/*
- * The PowerPC can do unaligned accesses itself in big endian mode.
+ * The PowerPC can do unaligned accesses itself based on its endian mode.
*/
#include <linux/unaligned/access_ok.h>
#include <linux/unaligned/generic.h>
+#ifdef __LITTLE_ENDIAN__
+#define get_unaligned __get_unaligned_le
+#define put_unaligned __put_unaligned_le
+#else
#define get_unaligned __get_unaligned_be
#define put_unaligned __put_unaligned_be
+#endif
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_UNALIGNED_H */
diff --git a/arch/powerpc/include/asm/uprobes.h b/arch/powerpc/include/asm/uprobes.h
index 75c6ecdb8f3..7422a999a39 100644
--- a/arch/powerpc/include/asm/uprobes.h
+++ b/arch/powerpc/include/asm/uprobes.h
@@ -36,9 +36,8 @@ typedef ppc_opcode_t uprobe_opcode_t;
struct arch_uprobe {
union {
- u8 insn[MAX_UINSN_BYTES];
- u8 ixol[MAX_UINSN_BYTES];
- u32 ainsn;
+ u32 insn;
+ u32 ixol;
};
};
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index 2ea5cc033ec..d3de01066f7 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -576,6 +576,7 @@ int main(void)
HSTATE_FIELD(HSTATE_VMHANDLER, vmhandler);
HSTATE_FIELD(HSTATE_SCRATCH0, scratch0);
HSTATE_FIELD(HSTATE_SCRATCH1, scratch1);
+ HSTATE_FIELD(HSTATE_SCRATCH2, scratch2);
HSTATE_FIELD(HSTATE_IN_GUEST, in_guest);
HSTATE_FIELD(HSTATE_RESTORE_HID5, restore_hid5);
HSTATE_FIELD(HSTATE_NAPPING, napping);
diff --git a/arch/powerpc/kernel/crash_dump.c b/arch/powerpc/kernel/crash_dump.c
index 779a78c2643..11c1d069d92 100644
--- a/arch/powerpc/kernel/crash_dump.c
+++ b/arch/powerpc/kernel/crash_dump.c
@@ -124,15 +124,15 @@ ssize_t copy_oldmem_page(unsigned long pfn, char *buf,
void crash_free_reserved_phys_range(unsigned long begin, unsigned long end)
{
unsigned long addr;
- const u32 *basep, *sizep;
+ const __be32 *basep, *sizep;
unsigned int rtas_start = 0, rtas_end = 0;
basep = of_get_property(rtas.dev, "linux,rtas-base", NULL);
sizep = of_get_property(rtas.dev, "rtas-size", NULL);
if (basep && sizep) {
- rtas_start = *basep;
- rtas_end = *basep + *sizep;
+ rtas_start = be32_to_cpup(basep);
+ rtas_end = rtas_start + be32_to_cpup(sizep);
}
for (addr = begin; addr < end; addr += PAGE_SIZE) {
diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c
index 36bed5a1275..c17f90d0f73 100644
--- a/arch/powerpc/kernel/eeh_driver.c
+++ b/arch/powerpc/kernel/eeh_driver.c
@@ -369,7 +369,9 @@ static void *eeh_rmv_device(void *data, void *userdata)
edev->mode |= EEH_DEV_DISCONNECTED;
(*removed)++;
+ pci_lock_rescan_remove();
pci_stop_and_remove_bus_device(dev);
+ pci_unlock_rescan_remove();
return NULL;
}
@@ -416,10 +418,13 @@ static int eeh_reset_device(struct eeh_pe *pe, struct pci_bus *bus)
* into pcibios_add_pci_devices().
*/
eeh_pe_state_mark(pe, EEH_PE_KEEP);
- if (bus)
+ if (bus) {
+ pci_lock_rescan_remove();
pcibios_remove_pci_devices(bus);
- else if (frozen_bus)
+ pci_unlock_rescan_remove();
+ } else if (frozen_bus) {
eeh_pe_dev_traverse(pe, eeh_rmv_device, &removed);
+ }
/* Reset the pci controller. (Asserts RST#; resets config space).
* Reconfigure bridges and devices. Don't try to bring the system
@@ -429,6 +434,8 @@ static int eeh_reset_device(struct eeh_pe *pe, struct pci_bus *bus)
if (rc)
return rc;
+ pci_lock_rescan_remove();
+
/* Restore PE */
eeh_ops->configure_bridge(pe);
eeh_pe_restore_bars(pe);
@@ -462,6 +469,7 @@ static int eeh_reset_device(struct eeh_pe *pe, struct pci_bus *bus)
pe->tstamp = tstamp;
pe->freeze_count = cnt;
+ pci_unlock_rescan_remove();
return 0;
}
@@ -618,8 +626,11 @@ perm_error:
eeh_pe_dev_traverse(pe, eeh_report_failure, NULL);
/* Shut down the device drivers for good. */
- if (frozen_bus)
+ if (frozen_bus) {
+ pci_lock_rescan_remove();
pcibios_remove_pci_devices(frozen_bus);
+ pci_unlock_rescan_remove();
+ }
}
static void eeh_handle_special_event(void)
@@ -692,6 +703,7 @@ static void eeh_handle_special_event(void)
if (rc == 2 || rc == 1)
eeh_handle_normal_event(pe);
else {
+ pci_lock_rescan_remove();
list_for_each_entry_safe(hose, tmp,
&hose_list, list_node) {
phb_pe = eeh_phb_pe_get(hose);
@@ -703,6 +715,7 @@ static void eeh_handle_special_event(void)
eeh_pe_dev_traverse(pe, eeh_report_failure, NULL);
pcibios_remove_pci_devices(bus);
}
+ pci_unlock_rescan_remove();
}
}
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index 2ae41aba405..4f0946de2d5 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -80,6 +80,7 @@ END_FTR_SECTION(0, 1)
* of the function that the cpu should jump to to continue
* initialization.
*/
+ .balign 8
.globl __secondary_hold_spinloop
__secondary_hold_spinloop:
.llong 0x0
@@ -470,6 +471,7 @@ _STATIC(__after_prom_start)
mtctr r8
bctr
+.balign 8
p_end: .llong _end - _stext
4: /* Now copy the rest of the kernel up to _end */
diff --git a/arch/powerpc/kernel/machine_kexec.c b/arch/powerpc/kernel/machine_kexec.c
index 88a7fb458df..75d4f7340da 100644
--- a/arch/powerpc/kernel/machine_kexec.c
+++ b/arch/powerpc/kernel/machine_kexec.c
@@ -148,7 +148,7 @@ void __init reserve_crashkernel(void)
* a small SLB (128MB) since the crash kernel needs to place
* itself and some stacks to be in the first segment.
*/
- crashk_res.start = min(0x80000000ULL, (ppc64_rma_size / 2));
+ crashk_res.start = min(0x8000000ULL, (ppc64_rma_size / 2));
#else
crashk_res.start = KDUMP_KERNELBASE;
#endif
diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S
index e59caf874d0..64bf8db12b1 100644
--- a/arch/powerpc/kernel/misc_64.S
+++ b/arch/powerpc/kernel/misc_64.S
@@ -246,8 +246,8 @@ _GLOBAL(__bswapdi2)
or r3,r7,r9
blr
-#if defined(CONFIG_PPC_PMAC) || defined(CONFIG_PPC_MAPLE)
+#ifdef CONFIG_PPC_EARLY_DEBUG_BOOTX
_GLOBAL(rmci_on)
sync
isync
@@ -277,6 +277,9 @@ _GLOBAL(rmci_off)
isync
sync
blr
+#endif /* CONFIG_PPC_EARLY_DEBUG_BOOTX */
+
+#if defined(CONFIG_PPC_PMAC) || defined(CONFIG_PPC_MAPLE)
/*
* Do an IO access in real mode
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index a1e3e40ca3f..d9476c1fc95 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -835,7 +835,7 @@ static void pcibios_fixup_resources(struct pci_dev *dev)
* at 0 as unset as well, except if PCI_PROBE_ONLY is also set
* since in that case, we don't want to re-assign anything
*/
- pcibios_resource_to_bus(dev, &reg, res);
+ pcibios_resource_to_bus(dev->bus, &reg, res);
if (pci_has_flag(PCI_REASSIGN_ALL_RSRC) ||
(reg.start == 0 && !pci_has_flag(PCI_PROBE_ONLY))) {
/* Only print message if not re-assigning */
@@ -886,7 +886,7 @@ static int pcibios_uninitialized_bridge_resource(struct pci_bus *bus,
/* Job is a bit different between memory and IO */
if (res->flags & IORESOURCE_MEM) {
- pcibios_resource_to_bus(dev, &region, res);
+ pcibios_resource_to_bus(dev->bus, &region, res);
/* If the BAR is non-0 then it's probably been initialized */
if (region.start != 0)
diff --git a/arch/powerpc/kernel/pci_of_scan.c b/arch/powerpc/kernel/pci_of_scan.c
index ac0b034f9ae..83c26d82999 100644
--- a/arch/powerpc/kernel/pci_of_scan.c
+++ b/arch/powerpc/kernel/pci_of_scan.c
@@ -111,7 +111,7 @@ static void of_pci_parse_addrs(struct device_node *node, struct pci_dev *dev)
res->name = pci_name(dev);
region.start = base;
region.end = base + size - 1;
- pcibios_bus_to_resource(dev, res, &region);
+ pcibios_bus_to_resource(dev->bus, res, &region);
}
}
@@ -280,7 +280,7 @@ void of_scan_pci_bridge(struct pci_dev *dev)
res->flags = flags;
region.start = of_read_number(&ranges[1], 2);
region.end = region.start + size - 1;
- pcibios_bus_to_resource(dev, res, &region);
+ pcibios_bus_to_resource(dev->bus, res, &region);
}
sprintf(bus->name, "PCI Bus %04x:%02x", pci_domain_nr(bus),
bus->number);
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 3386d8ab7eb..4a96556fd2d 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -339,7 +339,7 @@ static void set_debug_reg_defaults(struct thread_struct *thread)
#endif
}
-static void prime_debug_regs(struct thread_struct *thread)
+static void prime_debug_regs(struct debug_reg *debug)
{
/*
* We could have inherited MSR_DE from userspace, since
@@ -348,22 +348,22 @@ static void prime_debug_regs(struct thread_struct *thread)
*/
mtmsr(mfmsr() & ~MSR_DE);
- mtspr(SPRN_IAC1, thread->debug.iac1);
- mtspr(SPRN_IAC2, thread->debug.iac2);
+ mtspr(SPRN_IAC1, debug->iac1);
+ mtspr(SPRN_IAC2, debug->iac2);
#if CONFIG_PPC_ADV_DEBUG_IACS > 2
- mtspr(SPRN_IAC3, thread->debug.iac3);
- mtspr(SPRN_IAC4, thread->debug.iac4);
+ mtspr(SPRN_IAC3, debug->iac3);
+ mtspr(SPRN_IAC4, debug->iac4);
#endif
- mtspr(SPRN_DAC1, thread->debug.dac1);
- mtspr(SPRN_DAC2, thread->debug.dac2);
+ mtspr(SPRN_DAC1, debug->dac1);
+ mtspr(SPRN_DAC2, debug->dac2);
#if CONFIG_PPC_ADV_DEBUG_DVCS > 0
- mtspr(SPRN_DVC1, thread->debug.dvc1);
- mtspr(SPRN_DVC2, thread->debug.dvc2);
+ mtspr(SPRN_DVC1, debug->dvc1);
+ mtspr(SPRN_DVC2, debug->dvc2);
#endif
- mtspr(SPRN_DBCR0, thread->debug.dbcr0);
- mtspr(SPRN_DBCR1, thread->debug.dbcr1);
+ mtspr(SPRN_DBCR0, debug->dbcr0);
+ mtspr(SPRN_DBCR1, debug->dbcr1);
#ifdef CONFIG_BOOKE
- mtspr(SPRN_DBCR2, thread->debug.dbcr2);
+ mtspr(SPRN_DBCR2, debug->dbcr2);
#endif
}
/*
@@ -371,11 +371,11 @@ static void prime_debug_regs(struct thread_struct *thread)
* debug registers, set the debug registers from the values
* stored in the new thread.
*/
-void switch_booke_debug_regs(struct thread_struct *new_thread)
+void switch_booke_debug_regs(struct debug_reg *new_debug)
{
if ((current->thread.debug.dbcr0 & DBCR0_IDM)
- || (new_thread->debug.dbcr0 & DBCR0_IDM))
- prime_debug_regs(new_thread);
+ || (new_debug->dbcr0 & DBCR0_IDM))
+ prime_debug_regs(new_debug);
}
EXPORT_SYMBOL_GPL(switch_booke_debug_regs);
#else /* !CONFIG_PPC_ADV_DEBUG_REGS */
@@ -683,7 +683,7 @@ struct task_struct *__switch_to(struct task_struct *prev,
#endif /* CONFIG_SMP */
#ifdef CONFIG_PPC_ADV_DEBUG_REGS
- switch_booke_debug_regs(&new->thread);
+ switch_booke_debug_regs(&new->thread.debug);
#else
/*
* For PPC_BOOK3S_64, we use the hw-breakpoint interfaces that would
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index cb64a6e1dc5..078145acf7f 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -1986,19 +1986,23 @@ static void __init prom_init_stdout(void)
/* Get the full OF pathname of the stdout device */
memset(path, 0, 256);
call_prom("instance-to-path", 3, 1, prom.stdout, path, 255);
- stdout_node = call_prom("instance-to-package", 1, 1, prom.stdout);
- val = cpu_to_be32(stdout_node);
- prom_setprop(prom.chosen, "/chosen", "linux,stdout-package",
- &val, sizeof(val));
prom_printf("OF stdout device is: %s\n", of_stdout_device);
prom_setprop(prom.chosen, "/chosen", "linux,stdout-path",
path, strlen(path) + 1);
- /* If it's a display, note it */
- memset(type, 0, sizeof(type));
- prom_getprop(stdout_node, "device_type", type, sizeof(type));
- if (strcmp(type, "display") == 0)
- prom_setprop(stdout_node, path, "linux,boot-display", NULL, 0);
+ /* instance-to-package fails on PA-Semi */
+ stdout_node = call_prom("instance-to-package", 1, 1, prom.stdout);
+ if (stdout_node != PROM_ERROR) {
+ val = cpu_to_be32(stdout_node);
+ prom_setprop(prom.chosen, "/chosen", "linux,stdout-package",
+ &val, sizeof(val));
+
+ /* If it's a display, note it */
+ memset(type, 0, sizeof(type));
+ prom_getprop(stdout_node, "device_type", type, sizeof(type));
+ if (strcmp(type, "display") == 0)
+ prom_setprop(stdout_node, path, "linux,boot-display", NULL, 0);
+ }
}
static int __init prom_find_machine_type(void)
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index 75fb40498b4..2e3d2bf536c 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -1555,7 +1555,7 @@ long arch_ptrace(struct task_struct *child, long request,
flush_fp_to_thread(child);
if (fpidx < (PT_FPSCR - PT_FPR0))
- memcpy(&tmp, &child->thread.fp_state.fpr,
+ memcpy(&tmp, &child->thread.TS_FPR(fpidx),
sizeof(long));
else
tmp = child->thread.fp_state.fpscr;
@@ -1588,7 +1588,7 @@ long arch_ptrace(struct task_struct *child, long request,
flush_fp_to_thread(child);
if (fpidx < (PT_FPSCR - PT_FPR0))
- memcpy(&child->thread.fp_state.fpr, &data,
+ memcpy(&child->thread.TS_FPR(fpidx), &data,
sizeof(long));
else
child->thread.fp_state.fpscr = data;
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index febc80445d2..bc76cc6b419 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -479,7 +479,7 @@ void __init smp_setup_cpu_maps(void)
if (machine_is(pseries) && firmware_has_feature(FW_FEATURE_LPAR) &&
(dn = of_find_node_by_path("/rtas"))) {
int num_addr_cell, num_size_cell, maxcpus;
- const unsigned int *ireg;
+ const __be32 *ireg;
num_addr_cell = of_n_addr_cells(dn);
num_size_cell = of_n_size_cells(dn);
@@ -489,7 +489,7 @@ void __init smp_setup_cpu_maps(void)
if (!ireg)
goto out;
- maxcpus = ireg[num_addr_cell + num_size_cell];
+ maxcpus = be32_to_cpup(ireg + num_addr_cell + num_size_cell);
/* Double maxcpus for processors which have SMT capability */
if (cpu_has_feature(CPU_FTR_SMT))
diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c
index b903dc5cf94..2b0da27eaee 100644
--- a/arch/powerpc/kernel/setup_32.c
+++ b/arch/powerpc/kernel/setup_32.c
@@ -296,9 +296,6 @@ void __init setup_arch(char **cmdline_p)
if (cpu_has_feature(CPU_FTR_UNIFIED_ID_CACHE))
ucache_bsize = icache_bsize = dcache_bsize;
- /* reboot on panic */
- panic_timeout = 180;
-
if (ppc_md.panic)
setup_panic();
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 4085aaa9478..856dd4e99bf 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -588,9 +588,6 @@ void __init setup_arch(char **cmdline_p)
dcache_bsize = ppc64_caches.dline_size;
icache_bsize = ppc64_caches.iline_size;
- /* reboot on panic */
- panic_timeout = 180;
-
if (ppc_md.panic)
setup_panic();
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index a3b64f3bf9a..c1cf4a1522d 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -580,7 +580,7 @@ int __cpu_up(unsigned int cpu, struct task_struct *tidle)
int cpu_to_core_id(int cpu)
{
struct device_node *np;
- const int *reg;
+ const __be32 *reg;
int id = -1;
np = of_get_cpu_node(cpu, NULL);
@@ -591,7 +591,7 @@ int cpu_to_core_id(int cpu)
if (!reg)
goto out;
- id = *reg;
+ id = be32_to_cpup(reg);
out:
of_node_put(np);
return id;
diff --git a/arch/powerpc/kernel/uprobes.c b/arch/powerpc/kernel/uprobes.c
index 59f419b935f..003b20964ea 100644
--- a/arch/powerpc/kernel/uprobes.c
+++ b/arch/powerpc/kernel/uprobes.c
@@ -186,7 +186,7 @@ bool arch_uprobe_skip_sstep(struct arch_uprobe *auprobe, struct pt_regs *regs)
* emulate_step() returns 1 if the insn was successfully emulated.
* For all other cases, we need to single-step in hardware.
*/
- ret = emulate_step(regs, auprobe->ainsn);
+ ret = emulate_step(regs, auprobe->insn);
if (ret > 0)
return true;
diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c b/arch/powerpc/kvm/book3s_64_mmu_hv.c
index f3ff587a8b7..c5d148434c0 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_hv.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_hv.c
@@ -469,11 +469,14 @@ static int kvmppc_mmu_book3s_64_hv_xlate(struct kvm_vcpu *vcpu, gva_t eaddr,
slb_v = vcpu->kvm->arch.vrma_slb_v;
}
+ preempt_disable();
/* Find the HPTE in the hash table */
index = kvmppc_hv_find_lock_hpte(kvm, eaddr, slb_v,
HPTE_V_VALID | HPTE_V_ABSENT);
- if (index < 0)
+ if (index < 0) {
+ preempt_enable();
return -ENOENT;
+ }
hptep = (unsigned long *)(kvm->arch.hpt_virt + (index << 4));
v = hptep[0] & ~HPTE_V_HVLOCK;
gr = kvm->arch.revmap[index].guest_rpte;
@@ -481,6 +484,7 @@ static int kvmppc_mmu_book3s_64_hv_xlate(struct kvm_vcpu *vcpu, gva_t eaddr,
/* Unlock the HPTE */
asm volatile("lwsync" : : : "memory");
hptep[0] = v;
+ preempt_enable();
gpte->eaddr = eaddr;
gpte->vpage = ((v & HPTE_V_AVPN) << 4) | ((eaddr >> 12) & 0xfff);
@@ -665,6 +669,7 @@ int kvmppc_book3s_hv_page_fault(struct kvm_run *run, struct kvm_vcpu *vcpu,
return -EFAULT;
} else {
page = pages[0];
+ pfn = page_to_pfn(page);
if (PageHuge(page)) {
page = compound_head(page);
pte_size <<= compound_order(page);
@@ -689,7 +694,6 @@ int kvmppc_book3s_hv_page_fault(struct kvm_run *run, struct kvm_vcpu *vcpu,
}
rcu_read_unlock_sched();
}
- pfn = page_to_pfn(page);
}
ret = -EFAULT;
@@ -707,8 +711,14 @@ int kvmppc_book3s_hv_page_fault(struct kvm_run *run, struct kvm_vcpu *vcpu,
r = (r & ~(HPTE_R_W|HPTE_R_I|HPTE_R_G)) | HPTE_R_M;
}
- /* Set the HPTE to point to pfn */
- r = (r & ~(HPTE_R_PP0 - pte_size)) | (pfn << PAGE_SHIFT);
+ /*
+ * Set the HPTE to point to pfn.
+ * Since the pfn is at PAGE_SIZE granularity, make sure we
+ * don't mask out lower-order bits if psize < PAGE_SIZE.
+ */
+ if (psize < PAGE_SIZE)
+ psize = PAGE_SIZE;
+ r = (r & ~(HPTE_R_PP0 - psize)) | ((pfn << PAGE_SHIFT) & ~(psize - 1));
if (hpte_is_writable(r) && !write_ok)
r = hpte_make_readonly(r);
ret = RESUME_GUEST;
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 3fa99b20894..3818bd95327 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -131,8 +131,9 @@ static void kvmppc_fast_vcpu_kick_hv(struct kvm_vcpu *vcpu)
static void kvmppc_core_vcpu_load_hv(struct kvm_vcpu *vcpu, int cpu)
{
struct kvmppc_vcore *vc = vcpu->arch.vcore;
+ unsigned long flags;
- spin_lock(&vcpu->arch.tbacct_lock);
+ spin_lock_irqsave(&vcpu->arch.tbacct_lock, flags);
if (vc->runner == vcpu && vc->vcore_state != VCORE_INACTIVE &&
vc->preempt_tb != TB_NIL) {
vc->stolen_tb += mftb() - vc->preempt_tb;
@@ -143,19 +144,20 @@ static void kvmppc_core_vcpu_load_hv(struct kvm_vcpu *vcpu, int cpu)
vcpu->arch.busy_stolen += mftb() - vcpu->arch.busy_preempt;
vcpu->arch.busy_preempt = TB_NIL;
}
- spin_unlock(&vcpu->arch.tbacct_lock);
+ spin_unlock_irqrestore(&vcpu->arch.tbacct_lock, flags);
}
static void kvmppc_core_vcpu_put_hv(struct kvm_vcpu *vcpu)
{
struct kvmppc_vcore *vc = vcpu->arch.vcore;
+ unsigned long flags;
- spin_lock(&vcpu->arch.tbacct_lock);
+ spin_lock_irqsave(&vcpu->arch.tbacct_lock, flags);
if (vc->runner == vcpu && vc->vcore_state != VCORE_INACTIVE)
vc->preempt_tb = mftb();
if (vcpu->arch.state == KVMPPC_VCPU_BUSY_IN_HOST)
vcpu->arch.busy_preempt = mftb();
- spin_unlock(&vcpu->arch.tbacct_lock);
+ spin_unlock_irqrestore(&vcpu->arch.tbacct_lock, flags);
}
static void kvmppc_set_msr_hv(struct kvm_vcpu *vcpu, u64 msr)
@@ -486,11 +488,11 @@ static u64 vcore_stolen_time(struct kvmppc_vcore *vc, u64 now)
*/
if (vc->vcore_state != VCORE_INACTIVE &&
vc->runner->arch.run_task != current) {
- spin_lock(&vc->runner->arch.tbacct_lock);
+ spin_lock_irq(&vc->runner->arch.tbacct_lock);
p = vc->stolen_tb;
if (vc->preempt_tb != TB_NIL)
p += now - vc->preempt_tb;
- spin_unlock(&vc->runner->arch.tbacct_lock);
+ spin_unlock_irq(&vc->runner->arch.tbacct_lock);
} else {
p = vc->stolen_tb;
}
@@ -512,10 +514,10 @@ static void kvmppc_create_dtl_entry(struct kvm_vcpu *vcpu,
core_stolen = vcore_stolen_time(vc, now);
stolen = core_stolen - vcpu->arch.stolen_logged;
vcpu->arch.stolen_logged = core_stolen;
- spin_lock(&vcpu->arch.tbacct_lock);
+ spin_lock_irq(&vcpu->arch.tbacct_lock);
stolen += vcpu->arch.busy_stolen;
vcpu->arch.busy_stolen = 0;
- spin_unlock(&vcpu->arch.tbacct_lock);
+ spin_unlock_irq(&vcpu->arch.tbacct_lock);
if (!dt || !vpa)
return;
memset(dt, 0, sizeof(struct dtl_entry));
@@ -589,7 +591,9 @@ int kvmppc_pseries_do_hcall(struct kvm_vcpu *vcpu)
if (list_empty(&vcpu->kvm->arch.rtas_tokens))
return RESUME_HOST;
+ idx = srcu_read_lock(&vcpu->kvm->srcu);
rc = kvmppc_rtas_hcall(vcpu);
+ srcu_read_unlock(&vcpu->kvm->srcu, idx);
if (rc == -ENOENT)
return RESUME_HOST;
@@ -1115,13 +1119,13 @@ static void kvmppc_remove_runnable(struct kvmppc_vcore *vc,
if (vcpu->arch.state != KVMPPC_VCPU_RUNNABLE)
return;
- spin_lock(&vcpu->arch.tbacct_lock);
+ spin_lock_irq(&vcpu->arch.tbacct_lock);
now = mftb();
vcpu->arch.busy_stolen += vcore_stolen_time(vc, now) -
vcpu->arch.stolen_logged;
vcpu->arch.busy_preempt = now;
vcpu->arch.state = KVMPPC_VCPU_BUSY_IN_HOST;
- spin_unlock(&vcpu->arch.tbacct_lock);
+ spin_unlock_irq(&vcpu->arch.tbacct_lock);
--vc->n_runnable;
list_del(&vcpu->arch.run_list);
}
diff --git a/arch/powerpc/kvm/book3s_hv_rm_mmu.c b/arch/powerpc/kvm/book3s_hv_rm_mmu.c
index 9c515440ad1..8689e2e3085 100644
--- a/arch/powerpc/kvm/book3s_hv_rm_mmu.c
+++ b/arch/powerpc/kvm/book3s_hv_rm_mmu.c
@@ -225,6 +225,7 @@ long kvmppc_do_h_enter(struct kvm *kvm, unsigned long flags,
is_io = pa & (HPTE_R_I | HPTE_R_W);
pte_size = PAGE_SIZE << (pa & KVMPPC_PAGE_ORDER_MASK);
pa &= PAGE_MASK;
+ pa |= gpa & ~PAGE_MASK;
} else {
/* Translate to host virtual address */
hva = __gfn_to_hva_memslot(memslot, gfn);
@@ -238,13 +239,13 @@ long kvmppc_do_h_enter(struct kvm *kvm, unsigned long flags,
ptel = hpte_make_readonly(ptel);
is_io = hpte_cache_bits(pte_val(pte));
pa = pte_pfn(pte) << PAGE_SHIFT;
+ pa |= hva & (pte_size - 1);
+ pa |= gpa & ~PAGE_MASK;
}
}
if (pte_size < psize)
return H_PARAMETER;
- if (pa && pte_size > psize)
- pa |= gpa & (pte_size - 1);
ptel &= ~(HPTE_R_PP0 - psize);
ptel |= pa;
@@ -749,6 +750,10 @@ static int slb_base_page_shift[4] = {
20, /* 1M, unsupported */
};
+/* When called from virtmode, this func should be protected by
+ * preempt_disable(), otherwise, the holding of HPTE_V_HVLOCK
+ * can trigger deadlock issue.
+ */
long kvmppc_hv_find_lock_hpte(struct kvm *kvm, gva_t eaddr, unsigned long slb_v,
unsigned long valid)
{
diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
index bc8de75b192..be4fa04a37c 100644
--- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S
+++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
@@ -153,7 +153,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_206)
13: b machine_check_fwnmi
-
/*
* We come in here when wakened from nap mode on a secondary hw thread.
* Relocation is off and most register values are lost.
@@ -224,6 +223,11 @@ kvm_start_guest:
/* Clear our vcpu pointer so we don't come back in early */
li r0, 0
std r0, HSTATE_KVM_VCPU(r13)
+ /*
+ * Make sure we clear HSTATE_KVM_VCPU(r13) before incrementing
+ * the nap_count, because once the increment to nap_count is
+ * visible we could be given another vcpu.
+ */
lwsync
/* Clear any pending IPI - we're an offline thread */
ld r5, HSTATE_XICS_PHYS(r13)
@@ -241,7 +245,6 @@ kvm_start_guest:
/* increment the nap count and then go to nap mode */
ld r4, HSTATE_KVM_VCORE(r13)
addi r4, r4, VCORE_NAP_COUNT
- lwsync /* make previous updates visible */
51: lwarx r3, 0, r4
addi r3, r3, 1
stwcx. r3, 0, r4
@@ -751,15 +754,14 @@ kvmppc_interrupt_hv:
* guest CR, R12 saved in shadow VCPU SCRATCH1/0
* guest R13 saved in SPRN_SCRATCH0
*/
- /* abuse host_r2 as third scratch area; we get r2 from PACATOC(r13) */
- std r9, HSTATE_HOST_R2(r13)
+ std r9, HSTATE_SCRATCH2(r13)
lbz r9, HSTATE_IN_GUEST(r13)
cmpwi r9, KVM_GUEST_MODE_HOST_HV
beq kvmppc_bad_host_intr
#ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE
cmpwi r9, KVM_GUEST_MODE_GUEST
- ld r9, HSTATE_HOST_R2(r13)
+ ld r9, HSTATE_SCRATCH2(r13)
beq kvmppc_interrupt_pr
#endif
/* We're now back in the host but in guest MMU context */
@@ -779,7 +781,7 @@ kvmppc_interrupt_hv:
std r6, VCPU_GPR(R6)(r9)
std r7, VCPU_GPR(R7)(r9)
std r8, VCPU_GPR(R8)(r9)
- ld r0, HSTATE_HOST_R2(r13)
+ ld r0, HSTATE_SCRATCH2(r13)
std r0, VCPU_GPR(R9)(r9)
std r10, VCPU_GPR(R10)(r9)
std r11, VCPU_GPR(R11)(r9)
@@ -990,14 +992,13 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_201)
*/
/* Increment the threads-exiting-guest count in the 0xff00
bits of vcore->entry_exit_count */
- lwsync
ld r5,HSTATE_KVM_VCORE(r13)
addi r6,r5,VCORE_ENTRY_EXIT
41: lwarx r3,0,r6
addi r0,r3,0x100
stwcx. r0,0,r6
bne 41b
- lwsync
+ isync /* order stwcx. vs. reading napping_threads */
/*
* At this point we have an interrupt that we have to pass
@@ -1030,6 +1031,8 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_201)
sld r0,r0,r4
andc. r3,r3,r0 /* no sense IPI'ing ourselves */
beq 43f
+ /* Order entry/exit update vs. IPIs */
+ sync
mulli r4,r4,PACA_SIZE /* get paca for thread 0 */
subf r6,r4,r13
42: andi. r0,r3,1
@@ -1638,10 +1641,10 @@ END_FTR_SECTION_IFCLR(CPU_FTR_ARCH_206)
bge kvm_cede_exit
stwcx. r4,0,r6
bne 31b
+ /* order napping_threads update vs testing entry_exit_count */
+ isync
li r0,1
stb r0,HSTATE_NAPPING(r13)
- /* order napping_threads update vs testing entry_exit_count */
- lwsync
mr r4,r3
lwz r7,VCORE_ENTRY_EXIT(r5)
cmpwi r7,0x100
diff --git a/arch/powerpc/kvm/book3s_interrupts.S b/arch/powerpc/kvm/book3s_interrupts.S
index f4dd041c14e..f779450cb07 100644
--- a/arch/powerpc/kvm/book3s_interrupts.S
+++ b/arch/powerpc/kvm/book3s_interrupts.S
@@ -129,29 +129,32 @@ kvm_start_lightweight:
* R12 = exit handler id
* R13 = PACA
* SVCPU.* = guest *
+ * MSR.EE = 1
*
*/
+ PPC_LL r3, GPR4(r1) /* vcpu pointer */
+
+ /*
+ * kvmppc_copy_from_svcpu can clobber volatile registers, save
+ * the exit handler id to the vcpu and restore it from there later.
+ */
+ stw r12, VCPU_TRAP(r3)
+
/* Transfer reg values from shadow vcpu back to vcpu struct */
/* On 64-bit, interrupts are still off at this point */
- PPC_LL r3, GPR4(r1) /* vcpu pointer */
+
GET_SHADOW_VCPU(r4)
bl FUNC(kvmppc_copy_from_svcpu)
nop
#ifdef CONFIG_PPC_BOOK3S_64
- /* Re-enable interrupts */
- ld r3, HSTATE_HOST_MSR(r13)
- ori r3, r3, MSR_EE
- MTMSR_EERI(r3)
-
/*
* Reload kernel SPRG3 value.
* No need to save guest value as usermode can't modify SPRG3.
*/
ld r3, PACA_SPRG3(r13)
mtspr SPRN_SPRG3, r3
-
#endif /* CONFIG_PPC_BOOK3S_64 */
/* R7 = vcpu */
@@ -177,7 +180,7 @@ kvm_start_lightweight:
PPC_STL r31, VCPU_GPR(R31)(r7)
/* Pass the exit number as 3rd argument to kvmppc_handle_exit */
- mr r5, r12
+ lwz r5, VCPU_TRAP(r7)
/* Restore r3 (kvm_run) and r4 (vcpu) */
REST_2GPRS(3, r1)
diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c
index fe14ca3dd17..5b9e9063cfa 100644
--- a/arch/powerpc/kvm/book3s_pr.c
+++ b/arch/powerpc/kvm/book3s_pr.c
@@ -66,6 +66,7 @@ static void kvmppc_core_vcpu_load_pr(struct kvm_vcpu *vcpu, int cpu)
struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu);
memcpy(svcpu->slb, to_book3s(vcpu)->slb_shadow, sizeof(svcpu->slb));
svcpu->slb_max = to_book3s(vcpu)->slb_shadow_max;
+ svcpu->in_use = 0;
svcpu_put(svcpu);
#endif
vcpu->cpu = smp_processor_id();
@@ -78,6 +79,9 @@ static void kvmppc_core_vcpu_put_pr(struct kvm_vcpu *vcpu)
{
#ifdef CONFIG_PPC_BOOK3S_64
struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu);
+ if (svcpu->in_use) {
+ kvmppc_copy_from_svcpu(vcpu, svcpu);
+ }
memcpy(to_book3s(vcpu)->slb_shadow, svcpu->slb, sizeof(svcpu->slb));
to_book3s(vcpu)->slb_shadow_max = svcpu->slb_max;
svcpu_put(svcpu);
@@ -110,12 +114,26 @@ void kvmppc_copy_to_svcpu(struct kvmppc_book3s_shadow_vcpu *svcpu,
svcpu->ctr = vcpu->arch.ctr;
svcpu->lr = vcpu->arch.lr;
svcpu->pc = vcpu->arch.pc;
+ svcpu->in_use = true;
}
/* Copy data touched by real-mode code from shadow vcpu back to vcpu */
void kvmppc_copy_from_svcpu(struct kvm_vcpu *vcpu,
struct kvmppc_book3s_shadow_vcpu *svcpu)
{
+ /*
+ * vcpu_put would just call us again because in_use hasn't
+ * been updated yet.
+ */
+ preempt_disable();
+
+ /*
+ * Maybe we were already preempted and synced the svcpu from
+ * our preempt notifiers. Don't bother touching this svcpu then.
+ */
+ if (!svcpu->in_use)
+ goto out;
+
vcpu->arch.gpr[0] = svcpu->gpr[0];
vcpu->arch.gpr[1] = svcpu->gpr[1];
vcpu->arch.gpr[2] = svcpu->gpr[2];
@@ -139,6 +157,10 @@ void kvmppc_copy_from_svcpu(struct kvm_vcpu *vcpu,
vcpu->arch.fault_dar = svcpu->fault_dar;
vcpu->arch.fault_dsisr = svcpu->fault_dsisr;
vcpu->arch.last_inst = svcpu->last_inst;
+ svcpu->in_use = false;
+
+out:
+ preempt_enable();
}
static int kvmppc_core_check_requests_pr(struct kvm_vcpu *vcpu)
diff --git a/arch/powerpc/kvm/book3s_rmhandlers.S b/arch/powerpc/kvm/book3s_rmhandlers.S
index a38c4c9edab..c3c5231adad 100644
--- a/arch/powerpc/kvm/book3s_rmhandlers.S
+++ b/arch/powerpc/kvm/book3s_rmhandlers.S
@@ -153,15 +153,11 @@ _GLOBAL(kvmppc_entry_trampoline)
li r6, MSR_IR | MSR_DR
andc r6, r5, r6 /* Clear DR and IR in MSR value */
-#ifdef CONFIG_PPC_BOOK3S_32
/*
* Set EE in HOST_MSR so that it's enabled when we get into our
- * C exit handler function. On 64-bit we delay enabling
- * interrupts until we have finished transferring stuff
- * to or from the PACA.
+ * C exit handler function.
*/
ori r5, r5, MSR_EE
-#endif
mtsrr0 r7
mtsrr1 r6
RFI
diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index 53e65a210b9..0591e05db74 100644
--- a/arch/powerpc/kvm/booke.c
+++ b/arch/powerpc/kvm/booke.c
@@ -681,7 +681,7 @@ int kvmppc_core_check_requests(struct kvm_vcpu *vcpu)
int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
{
int ret, s;
- struct thread_struct thread;
+ struct debug_reg debug;
#ifdef CONFIG_PPC_FPU
struct thread_fp_state fp;
int fpexc_mode;
@@ -723,9 +723,9 @@ int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
#endif
/* Switch to guest debug context */
- thread.debug = vcpu->arch.shadow_dbg_reg;
- switch_booke_debug_regs(&thread);
- thread.debug = current->thread.debug;
+ debug = vcpu->arch.shadow_dbg_reg;
+ switch_booke_debug_regs(&debug);
+ debug = current->thread.debug;
current->thread.debug = vcpu->arch.shadow_dbg_reg;
kvmppc_fix_ee_before_entry();
@@ -736,8 +736,8 @@ int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
We also get here with interrupts enabled. */
/* Switch back to user space debug context */
- switch_booke_debug_regs(&thread);
- current->thread.debug = thread.debug;
+ switch_booke_debug_regs(&debug);
+ current->thread.debug = debug;
#ifdef CONFIG_PPC_FPU
kvmppc_save_guest_fp(vcpu);
diff --git a/arch/powerpc/lib/copyuser_64.S b/arch/powerpc/lib/copyuser_64.S
index d73a5901490..596a285c075 100644
--- a/arch/powerpc/lib/copyuser_64.S
+++ b/arch/powerpc/lib/copyuser_64.S
@@ -9,6 +9,14 @@
#include <asm/processor.h>
#include <asm/ppc_asm.h>
+#ifdef __BIG_ENDIAN__
+#define sLd sld /* Shift towards low-numbered address. */
+#define sHd srd /* Shift towards high-numbered address. */
+#else
+#define sLd srd /* Shift towards low-numbered address. */
+#define sHd sld /* Shift towards high-numbered address. */
+#endif
+
.align 7
_GLOBAL(__copy_tofrom_user)
BEGIN_FTR_SECTION
@@ -118,10 +126,10 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
24: ld r9,0(r4) /* 3+2n loads, 2+2n stores */
25: ld r0,8(r4)
- sld r6,r9,r10
+ sLd r6,r9,r10
26: ldu r9,16(r4)
- srd r7,r0,r11
- sld r8,r0,r10
+ sHd r7,r0,r11
+ sLd r8,r0,r10
or r7,r7,r6
blt cr6,79f
27: ld r0,8(r4)
@@ -129,35 +137,35 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
28: ld r0,0(r4) /* 4+2n loads, 3+2n stores */
29: ldu r9,8(r4)
- sld r8,r0,r10
+ sLd r8,r0,r10
addi r3,r3,-8
blt cr6,5f
30: ld r0,8(r4)
- srd r12,r9,r11
- sld r6,r9,r10
+ sHd r12,r9,r11
+ sLd r6,r9,r10
31: ldu r9,16(r4)
or r12,r8,r12
- srd r7,r0,r11
- sld r8,r0,r10
+ sHd r7,r0,r11
+ sLd r8,r0,r10
addi r3,r3,16
beq cr6,78f
1: or r7,r7,r6
32: ld r0,8(r4)
76: std r12,8(r3)
-2: srd r12,r9,r11
- sld r6,r9,r10
+2: sHd r12,r9,r11
+ sLd r6,r9,r10
33: ldu r9,16(r4)
or r12,r8,r12
77: stdu r7,16(r3)
- srd r7,r0,r11
- sld r8,r0,r10
+ sHd r7,r0,r11
+ sLd r8,r0,r10
bdnz 1b
78: std r12,8(r3)
or r7,r7,r6
79: std r7,16(r3)
-5: srd r12,r9,r11
+5: sHd r12,r9,r11
or r12,r8,r12
80: std r12,24(r3)
bne 6f
@@ -165,23 +173,38 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
blr
6: cmpwi cr1,r5,8
addi r3,r3,32
- sld r9,r9,r10
+ sLd r9,r9,r10
ble cr1,7f
34: ld r0,8(r4)
- srd r7,r0,r11
+ sHd r7,r0,r11
or r9,r7,r9
7:
bf cr7*4+1,1f
+#ifdef __BIG_ENDIAN__
rotldi r9,r9,32
+#endif
94: stw r9,0(r3)
+#ifdef __LITTLE_ENDIAN__
+ rotrdi r9,r9,32
+#endif
addi r3,r3,4
1: bf cr7*4+2,2f
+#ifdef __BIG_ENDIAN__
rotldi r9,r9,16
+#endif
95: sth r9,0(r3)
+#ifdef __LITTLE_ENDIAN__
+ rotrdi r9,r9,16
+#endif
addi r3,r3,2
2: bf cr7*4+3,3f
+#ifdef __BIG_ENDIAN__
rotldi r9,r9,8
+#endif
96: stb r9,0(r3)
+#ifdef __LITTLE_ENDIAN__
+ rotrdi r9,r9,8
+#endif
3: li r3,0
blr
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 3fa93dc7fe7..8c1dd23652a 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -209,7 +209,7 @@ void __init do_init_bootmem(void)
/* Place all memblock_regions in the same node and merge contiguous
* memblock_regions
*/
- memblock_set_node(0, (phys_addr_t)ULLONG_MAX, 0);
+ memblock_set_node(0, (phys_addr_t)ULLONG_MAX, &memblock.memory, 0);
/* Add all physical memory to the bootmem map, mark each area
* present.
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 078d3e00a61..5a944f25e94 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -670,7 +670,8 @@ static void __init parse_drconf_memory(struct device_node *memory)
node_set_online(nid);
sz = numa_enforce_memory_limit(base, size);
if (sz)
- memblock_set_node(base, sz, nid);
+ memblock_set_node(base, sz,
+ &memblock.memory, nid);
} while (--ranges);
}
}
@@ -760,7 +761,7 @@ new_range:
continue;
}
- memblock_set_node(start, size, nid);
+ memblock_set_node(start, size, &memblock.memory, nid);
if (--ranges)
goto new_range;
@@ -797,7 +798,8 @@ static void __init setup_nonnuma(void)
fake_numa_create_new_node(end_pfn, &nid);
memblock_set_node(PFN_PHYS(start_pfn),
- PFN_PHYS(end_pfn - start_pfn), nid);
+ PFN_PHYS(end_pfn - start_pfn),
+ &memblock.memory, nid);
node_set_online(nid);
}
}
diff --git a/arch/powerpc/net/bpf_jit_comp.c b/arch/powerpc/net/bpf_jit_comp.c
index ac3c2a10daf..555034f8505 100644
--- a/arch/powerpc/net/bpf_jit_comp.c
+++ b/arch/powerpc/net/bpf_jit_comp.c
@@ -223,10 +223,11 @@ static int bpf_jit_build_body(struct sk_filter *fp, u32 *image,
}
PPC_DIVWU(r_A, r_A, r_X);
break;
- case BPF_S_ALU_DIV_K: /* A = reciprocal_divide(A, K); */
+ case BPF_S_ALU_DIV_K: /* A /= K */
+ if (K == 1)
+ break;
PPC_LI32(r_scratch1, K);
- /* Top 32 bits of 64bit result -> A */
- PPC_MULHWU(r_A, r_A, r_scratch1);
+ PPC_DIVWU(r_A, r_A, r_scratch1);
break;
case BPF_S_ALU_AND_X:
ctx->seen |= SEEN_XREG;
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c
index be7b1aa4d54..37f7a89c10f 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c
@@ -245,7 +245,7 @@ static irqreturn_t mpc52xx_lpbfifo_irq(int irq, void *dev_id)
if (dma && !write) {
spin_unlock_irqrestore(&lpbfifo.lock, flags);
- pr_err("bogus LPBFIFO IRQ (dma and not writting)\n");
+ pr_err("bogus LPBFIFO IRQ (dma and not writing)\n");
return IRQ_HANDLED;
}
diff --git a/arch/powerpc/platforms/powernv/eeh-ioda.c b/arch/powerpc/platforms/powernv/eeh-ioda.c
index 02245cee781..d7ddcee7feb 100644
--- a/arch/powerpc/platforms/powernv/eeh-ioda.c
+++ b/arch/powerpc/platforms/powernv/eeh-ioda.c
@@ -36,7 +36,6 @@
#include "powernv.h"
#include "pci.h"
-static char *hub_diag = NULL;
static int ioda_eeh_nb_init = 0;
static int ioda_eeh_event(struct notifier_block *nb,
@@ -140,15 +139,6 @@ static int ioda_eeh_post_init(struct pci_controller *hose)
ioda_eeh_nb_init = 1;
}
- /* We needn't HUB diag-data on PHB3 */
- if (phb->type == PNV_PHB_IODA1 && !hub_diag) {
- hub_diag = (char *)__get_free_page(GFP_KERNEL | __GFP_ZERO);
- if (!hub_diag) {
- pr_err("%s: Out of memory !\n", __func__);
- return -ENOMEM;
- }
- }
-
#ifdef CONFIG_DEBUG_FS
if (phb->dbgfs) {
debugfs_create_file("err_injct_outbound", 0600,
@@ -633,11 +623,10 @@ static void ioda_eeh_hub_diag_common(struct OpalIoP7IOCErrorData *data)
static void ioda_eeh_hub_diag(struct pci_controller *hose)
{
struct pnv_phb *phb = hose->private_data;
- struct OpalIoP7IOCErrorData *data;
+ struct OpalIoP7IOCErrorData *data = &phb->diag.hub_diag;
long rc;
- data = (struct OpalIoP7IOCErrorData *)ioda_eeh_hub_diag;
- rc = opal_pci_get_hub_diag_data(phb->hub_id, data, PAGE_SIZE);
+ rc = opal_pci_get_hub_diag_data(phb->hub_id, data, sizeof(*data));
if (rc != OPAL_SUCCESS) {
pr_warning("%s: Failed to get HUB#%llx diag-data (%ld)\n",
__func__, phb->hub_id, rc);
@@ -820,14 +809,15 @@ static void ioda_eeh_phb_diag(struct pci_controller *hose)
struct OpalIoPhbErrorCommon *common;
long rc;
- common = (struct OpalIoPhbErrorCommon *)phb->diag.blob;
- rc = opal_pci_get_phb_diag_data2(phb->opal_id, common, PAGE_SIZE);
+ rc = opal_pci_get_phb_diag_data2(phb->opal_id, phb->diag.blob,
+ PNV_PCI_DIAG_BUF_SIZE);
if (rc != OPAL_SUCCESS) {
pr_warning("%s: Failed to get diag-data for PHB#%x (%ld)\n",
__func__, hose->global_number, rc);
return;
}
+ common = (struct OpalIoPhbErrorCommon *)phb->diag.blob;
switch (common->ioType) {
case OPAL_PHB_ERROR_DATA_TYPE_P7IOC:
ioda_eeh_p7ioc_phb_diag(hose, common);
diff --git a/arch/powerpc/platforms/powernv/opal-flash.c b/arch/powerpc/platforms/powernv/opal-flash.c
index 6ffa6b1ec5b..d8773079ce1 100644
--- a/arch/powerpc/platforms/powernv/opal-flash.c
+++ b/arch/powerpc/platforms/powernv/opal-flash.c
@@ -126,7 +126,7 @@ struct opal_sg_list {
struct validate_flash_t {
int status; /* Return status */
- void *buf; /* Candiate image buffer */
+ void *buf; /* Candidate image buffer */
uint32_t buf_size; /* Image size */
uint32_t result; /* Update results token */
};
@@ -500,7 +500,7 @@ static int alloc_image_buf(char *buffer, size_t count)
memcpy(&image_header, (void *)buffer, sizeof(struct image_header_t));
image_data.size = be32_to_cpu(image_header.size);
- pr_debug("FLASH: Candiate image size = %u\n", image_data.size);
+ pr_debug("FLASH: Candidate image size = %u\n", image_data.size);
if (image_data.size > MAX_IMAGE_SIZE) {
pr_warn("FLASH: Too large image\n");
diff --git a/arch/powerpc/platforms/powernv/opal-lpc.c b/arch/powerpc/platforms/powernv/opal-lpc.c
index e7e59e4f989..79d83cad3d6 100644
--- a/arch/powerpc/platforms/powernv/opal-lpc.c
+++ b/arch/powerpc/platforms/powernv/opal-lpc.c
@@ -24,25 +24,25 @@ static int opal_lpc_chip_id = -1;
static u8 opal_lpc_inb(unsigned long port)
{
int64_t rc;
- uint32_t data;
+ __be32 data;
if (opal_lpc_chip_id < 0 || port > 0xffff)
return 0xff;
rc = opal_lpc_read(opal_lpc_chip_id, OPAL_LPC_IO, port, &data, 1);
- return rc ? 0xff : data;
+ return rc ? 0xff : be32_to_cpu(data);
}
static __le16 __opal_lpc_inw(unsigned long port)
{
int64_t rc;
- uint32_t data;
+ __be32 data;
if (opal_lpc_chip_id < 0 || port > 0xfffe)
return 0xffff;
if (port & 1)
return (__le16)opal_lpc_inb(port) << 8 | opal_lpc_inb(port + 1);
rc = opal_lpc_read(opal_lpc_chip_id, OPAL_LPC_IO, port, &data, 2);
- return rc ? 0xffff : data;
+ return rc ? 0xffff : be32_to_cpu(data);
}
static u16 opal_lpc_inw(unsigned long port)
{
@@ -52,7 +52,7 @@ static u16 opal_lpc_inw(unsigned long port)
static __le32 __opal_lpc_inl(unsigned long port)
{
int64_t rc;
- uint32_t data;
+ __be32 data;
if (opal_lpc_chip_id < 0 || port > 0xfffc)
return 0xffffffff;
@@ -62,7 +62,7 @@ static __le32 __opal_lpc_inl(unsigned long port)
(__le32)opal_lpc_inb(port + 2) << 8 |
opal_lpc_inb(port + 3);
rc = opal_lpc_read(opal_lpc_chip_id, OPAL_LPC_IO, port, &data, 4);
- return rc ? 0xffffffff : data;
+ return rc ? 0xffffffff : be32_to_cpu(data);
}
static u32 opal_lpc_inl(unsigned long port)
diff --git a/arch/powerpc/platforms/powernv/opal-xscom.c b/arch/powerpc/platforms/powernv/opal-xscom.c
index 4d99a8fd55a..4fbf276ac99 100644
--- a/arch/powerpc/platforms/powernv/opal-xscom.c
+++ b/arch/powerpc/platforms/powernv/opal-xscom.c
@@ -96,9 +96,11 @@ static int opal_scom_read(scom_map_t map, u64 reg, u64 *value)
{
struct opal_scom_map *m = map;
int64_t rc;
+ __be64 v;
reg = opal_scom_unmangle(reg);
- rc = opal_xscom_read(m->chip, m->addr + reg, (uint64_t *)__pa(value));
+ rc = opal_xscom_read(m->chip, m->addr + reg, (__be64 *)__pa(&v));
+ *value = be64_to_cpu(v);
return opal_xscom_err_xlate(rc);
}
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 084cdfa4068..2c6d173842b 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -720,6 +720,7 @@ static void pnv_pci_ioda2_setup_dma_pe(struct pnv_phb *phb,
tbl->it_type = TCE_PCI_SWINV_CREATE | TCE_PCI_SWINV_FREE;
}
iommu_init_table(tbl, phb->hose->node);
+ iommu_register_group(tbl, pci_domain_nr(pe->pbus), pe->pe_number);
if (pe->pdev)
set_iommu_table_base(&pe->pdev->dev, tbl);
diff --git a/arch/powerpc/platforms/powernv/pci.h b/arch/powerpc/platforms/powernv/pci.h
index 911c24ef033..1ed8d5f40f5 100644
--- a/arch/powerpc/platforms/powernv/pci.h
+++ b/arch/powerpc/platforms/powernv/pci.h
@@ -172,11 +172,13 @@ struct pnv_phb {
} ioda;
};
- /* PHB status structure */
+ /* PHB and hub status structure */
union {
unsigned char blob[PNV_PCI_DIAG_BUF_SIZE];
struct OpalIoP7IOCPhbErrorData p7ioc;
+ struct OpalIoP7IOCErrorData hub_diag;
} diag;
+
};
extern struct pci_ops pnv_pci_ops;
diff --git a/arch/powerpc/platforms/pseries/lparcfg.c b/arch/powerpc/platforms/pseries/lparcfg.c
index e738007eae6..c9fecf09b8f 100644
--- a/arch/powerpc/platforms/pseries/lparcfg.c
+++ b/arch/powerpc/platforms/pseries/lparcfg.c
@@ -157,7 +157,7 @@ static void parse_ppp_data(struct seq_file *m)
{
struct hvcall_ppp_data ppp_data;
struct device_node *root;
- const int *perf_level;
+ const __be32 *perf_level;
int rc;
rc = h_get_ppp(&ppp_data);
@@ -201,7 +201,7 @@ static void parse_ppp_data(struct seq_file *m)
perf_level = of_get_property(root,
"ibm,partition-performance-parameters-level",
NULL);
- if (perf_level && (*perf_level >= 1)) {
+ if (perf_level && (be32_to_cpup(perf_level) >= 1)) {
seq_printf(m,
"physical_procs_allocated_to_virtualization=%d\n",
ppp_data.phys_platform_procs);
@@ -435,7 +435,7 @@ static int pseries_lparcfg_data(struct seq_file *m, void *v)
int partition_potential_processors;
int partition_active_processors;
struct device_node *rtas_node;
- const int *lrdrp = NULL;
+ const __be32 *lrdrp = NULL;
rtas_node = of_find_node_by_path("/rtas");
if (rtas_node)
@@ -444,7 +444,7 @@ static int pseries_lparcfg_data(struct seq_file *m, void *v)
if (lrdrp == NULL) {
partition_potential_processors = vdso_data->processorCount;
} else {
- partition_potential_processors = *(lrdrp + 4);
+ partition_potential_processors = be32_to_cpup(lrdrp + 4);
}
of_node_put(rtas_node);
@@ -654,7 +654,7 @@ static int lparcfg_data(struct seq_file *m, void *v)
const char *model = "";
const char *system_id = "";
const char *tmp;
- const unsigned int *lp_index_ptr;
+ const __be32 *lp_index_ptr;
unsigned int lp_index = 0;
seq_printf(m, "%s %s\n", MODULE_NAME, MODULE_VERS);
@@ -670,7 +670,7 @@ static int lparcfg_data(struct seq_file *m, void *v)
lp_index_ptr = of_get_property(rootdn, "ibm,partition-no",
NULL);
if (lp_index_ptr)
- lp_index = *lp_index_ptr;
+ lp_index = be32_to_cpup(lp_index_ptr);
of_node_put(rootdn);
}
seq_printf(m, "serial_number=%s\n", system_id);
diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c
index 6d2f0abce6f..0c882e83c4c 100644
--- a/arch/powerpc/platforms/pseries/msi.c
+++ b/arch/powerpc/platforms/pseries/msi.c
@@ -130,7 +130,8 @@ static int check_req(struct pci_dev *pdev, int nvec, char *prop_name)
{
struct device_node *dn;
struct pci_dn *pdn;
- const u32 *req_msi;
+ const __be32 *p;
+ u32 req_msi;
pdn = pci_get_pdn(pdev);
if (!pdn)
@@ -138,19 +139,20 @@ static int check_req(struct pci_dev *pdev, int nvec, char *prop_name)
dn = pdn->node;
- req_msi = of_get_property(dn, prop_name, NULL);
- if (!req_msi) {
+ p = of_get_property(dn, prop_name, NULL);
+ if (!p) {
pr_debug("rtas_msi: No %s on %s\n", prop_name, dn->full_name);
return -ENOENT;
}
- if (*req_msi < nvec) {
+ req_msi = be32_to_cpup(p);
+ if (req_msi < nvec) {
pr_debug("rtas_msi: %s requests < %d MSIs\n", prop_name, nvec);
- if (*req_msi == 0) /* Be paranoid */
+ if (req_msi == 0) /* Be paranoid */
return -ENOSPC;
- return *req_msi;
+ return req_msi;
}
return 0;
@@ -171,7 +173,7 @@ static int check_req_msix(struct pci_dev *pdev, int nvec)
static struct device_node *find_pe_total_msi(struct pci_dev *dev, int *total)
{
struct device_node *dn;
- const u32 *p;
+ const __be32 *p;
dn = of_node_get(pci_device_to_OF_node(dev));
while (dn) {
@@ -179,7 +181,7 @@ static struct device_node *find_pe_total_msi(struct pci_dev *dev, int *total)
if (p) {
pr_debug("rtas_msi: found prop on dn %s\n",
dn->full_name);
- *total = *p;
+ *total = be32_to_cpup(p);
return dn;
}
@@ -232,13 +234,13 @@ struct msi_counts {
static void *count_non_bridge_devices(struct device_node *dn, void *data)
{
struct msi_counts *counts = data;
- const u32 *p;
+ const __be32 *p;
u32 class;
pr_debug("rtas_msi: counting %s\n", dn->full_name);
p = of_get_property(dn, "class-code", NULL);
- class = p ? *p : 0;
+ class = p ? be32_to_cpup(p) : 0;
if ((class >> 8) != PCI_CLASS_BRIDGE_PCI)
counts->num_devices++;
@@ -249,7 +251,7 @@ static void *count_non_bridge_devices(struct device_node *dn, void *data)
static void *count_spare_msis(struct device_node *dn, void *data)
{
struct msi_counts *counts = data;
- const u32 *p;
+ const __be32 *p;
int req;
if (dn == counts->requestor)
@@ -260,11 +262,11 @@ static void *count_spare_msis(struct device_node *dn, void *data)
req = 0;
p = of_get_property(dn, "ibm,req#msi", NULL);
if (p)
- req = *p;
+ req = be32_to_cpup(p);
p = of_get_property(dn, "ibm,req#msi-x", NULL);
if (p)
- req = max(req, (int)*p);
+ req = max(req, (int)be32_to_cpup(p));
}
if (req < counts->quota)
diff --git a/arch/powerpc/platforms/pseries/nvram.c b/arch/powerpc/platforms/pseries/nvram.c
index 7bfaf58d466..d7096f2f775 100644
--- a/arch/powerpc/platforms/pseries/nvram.c
+++ b/arch/powerpc/platforms/pseries/nvram.c
@@ -43,8 +43,8 @@ static char nvram_buf[NVRW_CNT]; /* assume this is in the first 4GB */
static DEFINE_SPINLOCK(nvram_lock);
struct err_log_info {
- int error_type;
- unsigned int seq_num;
+ __be32 error_type;
+ __be32 seq_num;
};
struct nvram_os_partition {
@@ -79,9 +79,9 @@ static const char *pseries_nvram_os_partitions[] = {
};
struct oops_log_info {
- u16 version;
- u16 report_length;
- u64 timestamp;
+ __be16 version;
+ __be16 report_length;
+ __be64 timestamp;
} __attribute__((packed));
static void oops_to_nvram(struct kmsg_dumper *dumper,
@@ -291,8 +291,8 @@ int nvram_write_os_partition(struct nvram_os_partition *part, char * buff,
length = part->size;
}
- info.error_type = err_type;
- info.seq_num = error_log_cnt;
+ info.error_type = cpu_to_be32(err_type);
+ info.seq_num = cpu_to_be32(error_log_cnt);
tmp_index = part->index;
@@ -364,8 +364,8 @@ int nvram_read_partition(struct nvram_os_partition *part, char *buff,
}
if (part->os_partition) {
- *error_log_cnt = info.seq_num;
- *err_type = info.error_type;
+ *error_log_cnt = be32_to_cpu(info.seq_num);
+ *err_type = be32_to_cpu(info.error_type);
}
return 0;
@@ -529,9 +529,9 @@ static int zip_oops(size_t text_len)
pr_err("nvram: logging uncompressed oops/panic report\n");
return -1;
}
- oops_hdr->version = OOPS_HDR_VERSION;
- oops_hdr->report_length = (u16) zipped_len;
- oops_hdr->timestamp = get_seconds();
+ oops_hdr->version = cpu_to_be16(OOPS_HDR_VERSION);
+ oops_hdr->report_length = cpu_to_be16(zipped_len);
+ oops_hdr->timestamp = cpu_to_be64(get_seconds());
return 0;
}
@@ -574,9 +574,9 @@ static int nvram_pstore_write(enum pstore_type_id type,
clobbering_unread_rtas_event())
return -1;
- oops_hdr->version = OOPS_HDR_VERSION;
- oops_hdr->report_length = (u16) size;
- oops_hdr->timestamp = get_seconds();
+ oops_hdr->version = cpu_to_be16(OOPS_HDR_VERSION);
+ oops_hdr->report_length = cpu_to_be16(size);
+ oops_hdr->timestamp = cpu_to_be64(get_seconds());
if (compressed)
err_type = ERR_TYPE_KERNEL_PANIC_GZ;
@@ -670,16 +670,16 @@ static ssize_t nvram_pstore_read(u64 *id, enum pstore_type_id *type,
size_t length, hdr_size;
oops_hdr = (struct oops_log_info *)buff;
- if (oops_hdr->version < OOPS_HDR_VERSION) {
+ if (be16_to_cpu(oops_hdr->version) < OOPS_HDR_VERSION) {
/* Old format oops header had 2-byte record size */
hdr_size = sizeof(u16);
- length = oops_hdr->version;
+ length = be16_to_cpu(oops_hdr->version);
time->tv_sec = 0;
time->tv_nsec = 0;
} else {
hdr_size = sizeof(*oops_hdr);
- length = oops_hdr->report_length;
- time->tv_sec = oops_hdr->timestamp;
+ length = be16_to_cpu(oops_hdr->report_length);
+ time->tv_sec = be64_to_cpu(oops_hdr->timestamp);
time->tv_nsec = 0;
}
*buf = kmalloc(length, GFP_KERNEL);
@@ -889,13 +889,13 @@ static void oops_to_nvram(struct kmsg_dumper *dumper,
kmsg_dump_get_buffer(dumper, false,
oops_data, oops_data_sz, &text_len);
err_type = ERR_TYPE_KERNEL_PANIC;
- oops_hdr->version = OOPS_HDR_VERSION;
- oops_hdr->report_length = (u16) text_len;
- oops_hdr->timestamp = get_seconds();
+ oops_hdr->version = cpu_to_be16(OOPS_HDR_VERSION);
+ oops_hdr->report_length = cpu_to_be16(text_len);
+ oops_hdr->timestamp = cpu_to_be64(get_seconds());
}
(void) nvram_write_os_partition(&oops_log_partition, oops_buf,
- (int) (sizeof(*oops_hdr) + oops_hdr->report_length), err_type,
+ (int) (sizeof(*oops_hdr) + text_len), err_type,
++oops_count);
spin_unlock_irqrestore(&lock, flags);
diff --git a/arch/powerpc/platforms/pseries/pci.c b/arch/powerpc/platforms/pseries/pci.c
index 5f93856cdf4..70670a2d9cf 100644
--- a/arch/powerpc/platforms/pseries/pci.c
+++ b/arch/powerpc/platforms/pseries/pci.c
@@ -113,7 +113,7 @@ int pseries_root_bridge_prepare(struct pci_host_bridge *bridge)
{
struct device_node *dn, *pdn;
struct pci_bus *bus;
- const uint32_t *pcie_link_speed_stats;
+ const __be32 *pcie_link_speed_stats;
bus = bridge->bus;
@@ -122,7 +122,7 @@ int pseries_root_bridge_prepare(struct pci_host_bridge *bridge)
return 0;
for (pdn = dn; pdn != NULL; pdn = of_get_next_parent(pdn)) {
- pcie_link_speed_stats = (const uint32_t *) of_get_property(pdn,
+ pcie_link_speed_stats = of_get_property(pdn,
"ibm,pcie-link-speed-stats", NULL);
if (pcie_link_speed_stats)
break;
@@ -135,7 +135,7 @@ int pseries_root_bridge_prepare(struct pci_host_bridge *bridge)
return 0;
}
- switch (pcie_link_speed_stats[0]) {
+ switch (be32_to_cpup(pcie_link_speed_stats)) {
case 0x01:
bus->max_bus_speed = PCIE_SPEED_2_5GT;
break;
@@ -147,7 +147,7 @@ int pseries_root_bridge_prepare(struct pci_host_bridge *bridge)
break;
}
- switch (pcie_link_speed_stats[1]) {
+ switch (be32_to_cpup(pcie_link_speed_stats)) {
case 0x01:
bus->cur_bus_speed = PCIE_SPEED_2_5GT;
break;
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index c1f19085870..6f76ae417f4 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -470,7 +470,7 @@ static long pseries_little_endian_exceptions(void)
static void __init pSeries_setup_arch(void)
{
- panic_timeout = 10;
+ set_arch_panic_timeout(10, ARCH_PANIC_TIMEOUT);
/* Discover PIC type and setup ppc_md accordingly */
pseries_discover_pic();
diff --git a/arch/powerpc/sysdev/ppc4xx_ocm.c b/arch/powerpc/sysdev/ppc4xx_ocm.c
index b7c43453236..85d9e37f5cc 100644
--- a/arch/powerpc/sysdev/ppc4xx_ocm.c
+++ b/arch/powerpc/sysdev/ppc4xx_ocm.c
@@ -339,7 +339,7 @@ void *ppc4xx_ocm_alloc(phys_addr_t *phys, int size, int align,
if (IS_ERR_VALUE(offset))
continue;
- ocm_blk = kzalloc(sizeof(struct ocm_block *), GFP_KERNEL);
+ ocm_blk = kzalloc(sizeof(struct ocm_block), GFP_KERNEL);
if (!ocm_blk) {
printk(KERN_ERR "PPC4XX OCM: could not allocate ocm block");
rh_free(ocm_reg->rh, offset);
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 5877e71901b..e9f31253252 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -135,7 +135,6 @@ config S390
select HAVE_SYSCALL_TRACEPOINTS
select HAVE_UID16 if 32BIT
select HAVE_VIRT_CPU_ACCOUNTING
- select INIT_ALL_POSSIBLE
select KTIME_SCALAR if 32BIT
select MODULES_USE_ELF_RELA
select OLD_SIGACTION
@@ -347,14 +346,14 @@ config SMP
Even if you don't know what to do here, say Y.
config NR_CPUS
- int "Maximum number of CPUs (2-64)"
- range 2 64
+ int "Maximum number of CPUs (2-256)"
+ range 2 256
depends on SMP
default "32" if !64BIT
default "64" if 64BIT
help
This allows you to specify the maximum number of CPUs which this
- kernel will support. The maximum supported value is 64 and the
+ kernel will support. The maximum supported value is 256 and the
minimum value which makes sense is 2.
This is purely to save memory - each supported CPU adds
diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c
index 4363528dc8f..b3feabd39f3 100644
--- a/arch/s390/crypto/aes_s390.c
+++ b/arch/s390/crypto/aes_s390.c
@@ -55,8 +55,7 @@ struct pcc_param {
struct s390_xts_ctx {
u8 key[32];
- u8 xts_param[16];
- struct pcc_param pcc;
+ u8 pcc_key[32];
long enc;
long dec;
int key_len;
@@ -591,7 +590,7 @@ static int xts_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
xts_ctx->enc = KM_XTS_128_ENCRYPT;
xts_ctx->dec = KM_XTS_128_DECRYPT;
memcpy(xts_ctx->key + 16, in_key, 16);
- memcpy(xts_ctx->pcc.key + 16, in_key + 16, 16);
+ memcpy(xts_ctx->pcc_key + 16, in_key + 16, 16);
break;
case 48:
xts_ctx->enc = 0;
@@ -602,7 +601,7 @@ static int xts_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
xts_ctx->enc = KM_XTS_256_ENCRYPT;
xts_ctx->dec = KM_XTS_256_DECRYPT;
memcpy(xts_ctx->key, in_key, 32);
- memcpy(xts_ctx->pcc.key, in_key + 32, 32);
+ memcpy(xts_ctx->pcc_key, in_key + 32, 32);
break;
default:
*flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
@@ -621,29 +620,33 @@ static int xts_aes_crypt(struct blkcipher_desc *desc, long func,
unsigned int nbytes = walk->nbytes;
unsigned int n;
u8 *in, *out;
- void *param;
+ struct pcc_param pcc_param;
+ struct {
+ u8 key[32];
+ u8 init[16];
+ } xts_param;
if (!nbytes)
goto out;
- memset(xts_ctx->pcc.block, 0, sizeof(xts_ctx->pcc.block));
- memset(xts_ctx->pcc.bit, 0, sizeof(xts_ctx->pcc.bit));
- memset(xts_ctx->pcc.xts, 0, sizeof(xts_ctx->pcc.xts));
- memcpy(xts_ctx->pcc.tweak, walk->iv, sizeof(xts_ctx->pcc.tweak));
- param = xts_ctx->pcc.key + offset;
- ret = crypt_s390_pcc(func, param);
+ memset(pcc_param.block, 0, sizeof(pcc_param.block));
+ memset(pcc_param.bit, 0, sizeof(pcc_param.bit));
+ memset(pcc_param.xts, 0, sizeof(pcc_param.xts));
+ memcpy(pcc_param.tweak, walk->iv, sizeof(pcc_param.tweak));
+ memcpy(pcc_param.key, xts_ctx->pcc_key, 32);
+ ret = crypt_s390_pcc(func, &pcc_param.key[offset]);
if (ret < 0)
return -EIO;
- memcpy(xts_ctx->xts_param, xts_ctx->pcc.xts, 16);
- param = xts_ctx->key + offset;
+ memcpy(xts_param.key, xts_ctx->key, 32);
+ memcpy(xts_param.init, pcc_param.xts, 16);
do {
/* only use complete blocks */
n = nbytes & ~(AES_BLOCK_SIZE - 1);
out = walk->dst.virt.addr;
in = walk->src.virt.addr;
- ret = crypt_s390_km(func, param, out, in, n);
+ ret = crypt_s390_km(func, &xts_param.key[offset], out, in, n);
if (ret < 0 || ret != n)
return -EIO;
diff --git a/arch/s390/include/asm/barrier.h b/arch/s390/include/asm/barrier.h
index 16760eeb79b..578680f6207 100644
--- a/arch/s390/include/asm/barrier.h
+++ b/arch/s390/include/asm/barrier.h
@@ -32,4 +32,19 @@
#define set_mb(var, value) do { var = value; mb(); } while (0)
+#define smp_store_release(p, v) \
+do { \
+ compiletime_assert_atomic_type(*p); \
+ barrier(); \
+ ACCESS_ONCE(*p) = (v); \
+} while (0)
+
+#define smp_load_acquire(p) \
+({ \
+ typeof(*p) ___p1 = ACCESS_ONCE(*p); \
+ compiletime_assert_atomic_type(*p); \
+ barrier(); \
+ ___p1; \
+})
+
#endif /* __ASM_BARRIER_H */
diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h
index 4bf9da03591..5d7e8cf83bd 100644
--- a/arch/s390/include/asm/compat.h
+++ b/arch/s390/include/asm/compat.h
@@ -38,7 +38,8 @@
#define PSW32_USER_BITS (PSW32_MASK_DAT | PSW32_MASK_IO | PSW32_MASK_EXT | \
PSW32_DEFAULT_KEY | PSW32_MASK_BASE | \
- PSW32_MASK_MCHECK | PSW32_MASK_PSTATE | PSW32_ASC_HOME)
+ PSW32_MASK_MCHECK | PSW32_MASK_PSTATE | \
+ PSW32_ASC_PRIMARY)
#define COMPAT_USER_HZ 100
#define COMPAT_UTS_MACHINE "s390\0\0\0\0"
diff --git a/arch/s390/include/asm/cpu_mf.h b/arch/s390/include/asm/cpu_mf.h
index c879fad404c..cb700d54bd8 100644
--- a/arch/s390/include/asm/cpu_mf.h
+++ b/arch/s390/include/asm/cpu_mf.h
@@ -56,6 +56,96 @@ struct cpumf_ctr_info {
u32 reserved2[12];
} __packed;
+/* QUERY SAMPLING INFORMATION block */
+struct hws_qsi_info_block { /* Bit(s) */
+ unsigned int b0_13:14; /* 0-13: zeros */
+ unsigned int as:1; /* 14: basic-sampling authorization */
+ unsigned int ad:1; /* 15: diag-sampling authorization */
+ unsigned int b16_21:6; /* 16-21: zeros */
+ unsigned int es:1; /* 22: basic-sampling enable control */
+ unsigned int ed:1; /* 23: diag-sampling enable control */
+ unsigned int b24_29:6; /* 24-29: zeros */
+ unsigned int cs:1; /* 30: basic-sampling activation control */
+ unsigned int cd:1; /* 31: diag-sampling activation control */
+ unsigned int bsdes:16; /* 4-5: size of basic sampling entry */
+ unsigned int dsdes:16; /* 6-7: size of diagnostic sampling entry */
+ unsigned long min_sampl_rate; /* 8-15: minimum sampling interval */
+ unsigned long max_sampl_rate; /* 16-23: maximum sampling interval*/
+ unsigned long tear; /* 24-31: TEAR contents */
+ unsigned long dear; /* 32-39: DEAR contents */
+ unsigned int rsvrd0; /* 40-43: reserved */
+ unsigned int cpu_speed; /* 44-47: CPU speed */
+ unsigned long long rsvrd1; /* 48-55: reserved */
+ unsigned long long rsvrd2; /* 56-63: reserved */
+} __packed;
+
+/* SET SAMPLING CONTROLS request block */
+struct hws_lsctl_request_block {
+ unsigned int s:1; /* 0: maximum buffer indicator */
+ unsigned int h:1; /* 1: part. level reserved for VM use*/
+ unsigned long long b2_53:52;/* 2-53: zeros */
+ unsigned int es:1; /* 54: basic-sampling enable control */
+ unsigned int ed:1; /* 55: diag-sampling enable control */
+ unsigned int b56_61:6; /* 56-61: - zeros */
+ unsigned int cs:1; /* 62: basic-sampling activation control */
+ unsigned int cd:1; /* 63: diag-sampling activation control */
+ unsigned long interval; /* 8-15: sampling interval */
+ unsigned long tear; /* 16-23: TEAR contents */
+ unsigned long dear; /* 24-31: DEAR contents */
+ /* 32-63: */
+ unsigned long rsvrd1; /* reserved */
+ unsigned long rsvrd2; /* reserved */
+ unsigned long rsvrd3; /* reserved */
+ unsigned long rsvrd4; /* reserved */
+} __packed;
+
+struct hws_basic_entry {
+ unsigned int def:16; /* 0-15 Data Entry Format */
+ unsigned int R:4; /* 16-19 reserved */
+ unsigned int U:4; /* 20-23 Number of unique instruct. */
+ unsigned int z:2; /* zeros */
+ unsigned int T:1; /* 26 PSW DAT mode */
+ unsigned int W:1; /* 27 PSW wait state */
+ unsigned int P:1; /* 28 PSW Problem state */
+ unsigned int AS:2; /* 29-30 PSW address-space control */
+ unsigned int I:1; /* 31 entry valid or invalid */
+ unsigned int:16;
+ unsigned int prim_asn:16; /* primary ASN */
+ unsigned long long ia; /* Instruction Address */
+ unsigned long long gpp; /* Guest Program Parameter */
+ unsigned long long hpp; /* Host Program Parameter */
+} __packed;
+
+struct hws_diag_entry {
+ unsigned int def:16; /* 0-15 Data Entry Format */
+ unsigned int R:14; /* 16-19 and 20-30 reserved */
+ unsigned int I:1; /* 31 entry valid or invalid */
+ u8 data[]; /* Machine-dependent sample data */
+} __packed;
+
+struct hws_combined_entry {
+ struct hws_basic_entry basic; /* Basic-sampling data entry */
+ struct hws_diag_entry diag; /* Diagnostic-sampling data entry */
+} __packed;
+
+struct hws_trailer_entry {
+ union {
+ struct {
+ unsigned int f:1; /* 0 - Block Full Indicator */
+ unsigned int a:1; /* 1 - Alert request control */
+ unsigned int t:1; /* 2 - Timestamp format */
+ unsigned long long:61; /* 3 - 63: Reserved */
+ };
+ unsigned long long flags; /* 0 - 63: All indicators */
+ };
+ unsigned long long overflow; /* 64 - sample Overflow count */
+ unsigned char timestamp[16]; /* 16 - 31 timestamp */
+ unsigned long long reserved1; /* 32 -Reserved */
+ unsigned long long reserved2; /* */
+ unsigned long long progusage1; /* 48 - reserved for programming use */
+ unsigned long long progusage2; /* */
+} __packed;
+
/* Query counter information */
static inline int qctri(struct cpumf_ctr_info *info)
{
@@ -99,4 +189,95 @@ static inline int ecctr(u64 ctr, u64 *val)
return cc;
}
+/* Query sampling information */
+static inline int qsi(struct hws_qsi_info_block *info)
+{
+ int cc;
+ cc = 1;
+
+ asm volatile(
+ "0: .insn s,0xb2860000,0(%1)\n"
+ "1: lhi %0,0\n"
+ "2:\n"
+ EX_TABLE(0b, 2b) EX_TABLE(1b, 2b)
+ : "=d" (cc), "+a" (info)
+ : "m" (*info)
+ : "cc", "memory");
+
+ return cc ? -EINVAL : 0;
+}
+
+/* Load sampling controls */
+static inline int lsctl(struct hws_lsctl_request_block *req)
+{
+ int cc;
+
+ cc = 1;
+ asm volatile(
+ "0: .insn s,0xb2870000,0(%1)\n"
+ "1: ipm %0\n"
+ " srl %0,28\n"
+ "2:\n"
+ EX_TABLE(0b, 2b) EX_TABLE(1b, 2b)
+ : "+d" (cc), "+a" (req)
+ : "m" (*req)
+ : "cc", "memory");
+
+ return cc ? -EINVAL : 0;
+}
+
+/* Sampling control helper functions */
+
+#include <linux/time.h>
+
+static inline unsigned long freq_to_sample_rate(struct hws_qsi_info_block *qsi,
+ unsigned long freq)
+{
+ return (USEC_PER_SEC / freq) * qsi->cpu_speed;
+}
+
+static inline unsigned long sample_rate_to_freq(struct hws_qsi_info_block *qsi,
+ unsigned long rate)
+{
+ return USEC_PER_SEC * qsi->cpu_speed / rate;
+}
+
+#define SDB_TE_ALERT_REQ_MASK 0x4000000000000000UL
+#define SDB_TE_BUFFER_FULL_MASK 0x8000000000000000UL
+
+/* Return TOD timestamp contained in an trailer entry */
+static inline unsigned long long trailer_timestamp(struct hws_trailer_entry *te)
+{
+ /* TOD in STCKE format */
+ if (te->t)
+ return *((unsigned long long *) &te->timestamp[1]);
+
+ /* TOD in STCK format */
+ return *((unsigned long long *) &te->timestamp[0]);
+}
+
+/* Return pointer to trailer entry of an sample data block */
+static inline unsigned long *trailer_entry_ptr(unsigned long v)
+{
+ void *ret;
+
+ ret = (void *) v;
+ ret += PAGE_SIZE;
+ ret -= sizeof(struct hws_trailer_entry);
+
+ return (unsigned long *) ret;
+}
+
+/* Return if the entry in the sample data block table (sdbt)
+ * is a link to the next sdbt */
+static inline int is_link_entry(unsigned long *s)
+{
+ return *s & 0x1ul ? 1 : 0;
+}
+
+/* Return pointer to the linked sdbt */
+static inline unsigned long *get_next_sdbt(unsigned long *s)
+{
+ return (unsigned long *) (*s & ~0x1ul);
+}
#endif /* _ASM_S390_CPU_MF_H */
diff --git a/arch/s390/include/asm/css_chars.h b/arch/s390/include/asm/css_chars.h
index 7e1c917bbba..09d1dd46bd5 100644
--- a/arch/s390/include/asm/css_chars.h
+++ b/arch/s390/include/asm/css_chars.h
@@ -29,6 +29,8 @@ struct css_general_char {
u32 fcx : 1; /* bit 88 */
u32 : 19;
u32 alt_ssi : 1; /* bit 108 */
+ u32:1;
+ u32 narf:1; /* bit 110 */
} __packed;
extern struct css_general_char css_general_characteristics;
diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h
index c129ab2ac73..2583466f576 100644
--- a/arch/s390/include/asm/pci.h
+++ b/arch/s390/include/asm/pci.h
@@ -144,6 +144,7 @@ int clp_disable_fh(struct zpci_dev *);
void zpci_event_error(void *);
void zpci_event_availability(void *);
void zpci_rescan(void);
+bool zpci_is_enabled(void);
#else /* CONFIG_PCI */
static inline void zpci_event_error(void *e) {}
static inline void zpci_event_availability(void *e) {}
diff --git a/arch/s390/include/asm/perf_event.h b/arch/s390/include/asm/perf_event.h
index 1141fb3e7b2..159a8ec6da9 100644
--- a/arch/s390/include/asm/perf_event.h
+++ b/arch/s390/include/asm/perf_event.h
@@ -1,21 +1,40 @@
/*
* Performance event support - s390 specific definitions.
*
- * Copyright IBM Corp. 2009, 2012
+ * Copyright IBM Corp. 2009, 2013
* Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
* Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
*/
-#include <asm/cpu_mf.h>
+#ifndef _ASM_S390_PERF_EVENT_H
+#define _ASM_S390_PERF_EVENT_H
-/* CPU-measurement counter facility */
-#define PERF_CPUM_CF_MAX_CTR 256
+#ifdef CONFIG_64BIT
+
+#include <linux/perf_event.h>
+#include <linux/device.h>
+#include <asm/cpu_mf.h>
/* Per-CPU flags for PMU states */
#define PMU_F_RESERVED 0x1000
#define PMU_F_ENABLED 0x2000
+#define PMU_F_IN_USE 0x4000
+#define PMU_F_ERR_IBE 0x0100
+#define PMU_F_ERR_LSDA 0x0200
+#define PMU_F_ERR_MASK (PMU_F_ERR_IBE|PMU_F_ERR_LSDA)
+
+/* Perf defintions for PMU event attributes in sysfs */
+extern __init const struct attribute_group **cpumf_cf_event_group(void);
+extern ssize_t cpumf_events_sysfs_show(struct device *dev,
+ struct device_attribute *attr,
+ char *page);
+#define EVENT_VAR(_cat, _name) event_attr_##_cat##_##_name
+#define EVENT_PTR(_cat, _name) (&EVENT_VAR(_cat, _name).attr.attr)
+
+#define CPUMF_EVENT_ATTR(cat, name, id) \
+ PMU_EVENT_ATTR(name, EVENT_VAR(cat, name), id, cpumf_events_sysfs_show)
+#define CPUMF_EVENT_PTR(cat, name) EVENT_PTR(cat, name)
-#ifdef CONFIG_64BIT
/* Perf callbacks */
struct pt_regs;
@@ -23,4 +42,55 @@ extern unsigned long perf_instruction_pointer(struct pt_regs *regs);
extern unsigned long perf_misc_flags(struct pt_regs *regs);
#define perf_misc_flags(regs) perf_misc_flags(regs)
+/* Perf pt_regs extension for sample-data-entry indicators */
+struct perf_sf_sde_regs {
+ unsigned char in_guest:1; /* guest sample */
+ unsigned long reserved:63; /* reserved */
+};
+
+/* Perf PMU definitions for the counter facility */
+#define PERF_CPUM_CF_MAX_CTR 256
+
+/* Perf PMU definitions for the sampling facility */
+#define PERF_CPUM_SF_MAX_CTR 2
+#define PERF_EVENT_CPUM_SF 0xB0000UL /* Event: Basic-sampling */
+#define PERF_EVENT_CPUM_SF_DIAG 0xBD000UL /* Event: Combined-sampling */
+#define PERF_CPUM_SF_BASIC_MODE 0x0001 /* Basic-sampling flag */
+#define PERF_CPUM_SF_DIAG_MODE 0x0002 /* Diagnostic-sampling flag */
+#define PERF_CPUM_SF_MODE_MASK (PERF_CPUM_SF_BASIC_MODE| \
+ PERF_CPUM_SF_DIAG_MODE)
+#define PERF_CPUM_SF_FULL_BLOCKS 0x0004 /* Process full SDBs only */
+
+#define REG_NONE 0
+#define REG_OVERFLOW 1
+#define OVERFLOW_REG(hwc) ((hwc)->extra_reg.config)
+#define SFB_ALLOC_REG(hwc) ((hwc)->extra_reg.alloc)
+#define RAWSAMPLE_REG(hwc) ((hwc)->config)
+#define TEAR_REG(hwc) ((hwc)->last_tag)
+#define SAMPL_RATE(hwc) ((hwc)->event_base)
+#define SAMPL_FLAGS(hwc) ((hwc)->config_base)
+#define SAMPL_DIAG_MODE(hwc) (SAMPL_FLAGS(hwc) & PERF_CPUM_SF_DIAG_MODE)
+#define SDB_FULL_BLOCKS(hwc) (SAMPL_FLAGS(hwc) & PERF_CPUM_SF_FULL_BLOCKS)
+
+/* Structure for sampling data entries to be passed as perf raw sample data
+ * to user space. Note that raw sample data must be aligned and, thus, might
+ * be padded with zeros.
+ */
+struct sf_raw_sample {
+#define SF_RAW_SAMPLE_BASIC PERF_CPUM_SF_BASIC_MODE
+#define SF_RAW_SAMPLE_DIAG PERF_CPUM_SF_DIAG_MODE
+ u64 format;
+ u32 size; /* Size of sf_raw_sample */
+ u16 bsdes; /* Basic-sampling data entry size */
+ u16 dsdes; /* Diagnostic-sampling data entry size */
+ struct hws_basic_entry basic; /* Basic-sampling data entry */
+ struct hws_diag_entry diag; /* Diagnostic-sampling data entry */
+ u8 padding[]; /* Padding to next multiple of 8 */
+} __packed;
+
+/* Perf hardware reserve and release functions */
+int perf_reserve_sampling(void);
+void perf_release_sampling(void);
+
#endif /* CONFIG_64BIT */
+#endif /* _ASM_S390_PERF_EVENT_H */
diff --git a/arch/s390/include/asm/qdio.h b/arch/s390/include/asm/qdio.h
index 57d0d7e794b..d786c634e05 100644
--- a/arch/s390/include/asm/qdio.h
+++ b/arch/s390/include/asm/qdio.h
@@ -336,7 +336,7 @@ typedef void qdio_handler_t(struct ccw_device *, unsigned int, int,
#define QDIO_FLAG_CLEANUP_USING_HALT 0x02
/**
- * struct qdio_initialize - qdio initalization data
+ * struct qdio_initialize - qdio initialization data
* @cdev: associated ccw device
* @q_format: queue format
* @adapter_name: name for the adapter
@@ -378,6 +378,34 @@ struct qdio_initialize {
struct qdio_outbuf_state *output_sbal_state_array;
};
+/**
+ * enum qdio_brinfo_entry_type - type of address entry for qdio_brinfo_desc()
+ * @l3_ipv6_addr: entry contains IPv6 address
+ * @l3_ipv4_addr: entry contains IPv4 address
+ * @l2_addr_lnid: entry contains MAC address and VLAN ID
+ */
+enum qdio_brinfo_entry_type {l3_ipv6_addr, l3_ipv4_addr, l2_addr_lnid};
+
+/**
+ * struct qdio_brinfo_entry_XXX - Address entry for qdio_brinfo_desc()
+ * @nit: Network interface token
+ * @addr: Address of one of the three types
+ *
+ * The struct is passed to the callback function by qdio_brinfo_desc()
+ */
+struct qdio_brinfo_entry_l3_ipv6 {
+ u64 nit;
+ struct { unsigned char _s6_addr[16]; } addr;
+} __packed;
+struct qdio_brinfo_entry_l3_ipv4 {
+ u64 nit;
+ struct { uint32_t _s_addr; } addr;
+} __packed;
+struct qdio_brinfo_entry_l2 {
+ u64 nit;
+ struct { u8 mac[6]; u16 lnid; } addr_lnid;
+} __packed;
+
#define QDIO_STATE_INACTIVE 0x00000002 /* after qdio_cleanup */
#define QDIO_STATE_ESTABLISHED 0x00000004 /* after qdio_establish */
#define QDIO_STATE_ACTIVE 0x00000008 /* after qdio_activate */
@@ -399,5 +427,10 @@ extern int qdio_get_next_buffers(struct ccw_device *, int, int *, int *);
extern int qdio_shutdown(struct ccw_device *, int);
extern int qdio_free(struct ccw_device *);
extern int qdio_get_ssqd_desc(struct ccw_device *, struct qdio_ssqd_desc *);
+extern int qdio_pnso_brinfo(struct subchannel_id schid,
+ int cnc, u16 *response,
+ void (*cb)(void *priv, enum qdio_brinfo_entry_type type,
+ void *entry),
+ void *priv);
#endif /* __QDIO_H__ */
diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h
index 30ef748bc16..220e171413f 100644
--- a/arch/s390/include/asm/sclp.h
+++ b/arch/s390/include/asm/sclp.h
@@ -8,6 +8,7 @@
#include <linux/types.h>
#include <asm/chpid.h>
+#include <asm/cpu.h>
#define SCLP_CHP_INFO_MASK_SIZE 32
@@ -37,7 +38,7 @@ struct sclp_cpu_info {
unsigned int standby;
unsigned int combined;
int has_cpu_type;
- struct sclp_cpu_entry cpu[255];
+ struct sclp_cpu_entry cpu[MAX_CPU_ADDRESS + 1];
};
int sclp_get_cpu_info(struct sclp_cpu_info *info);
@@ -51,8 +52,8 @@ int sclp_chp_configure(struct chp_id chpid);
int sclp_chp_deconfigure(struct chp_id chpid);
int sclp_chp_read_info(struct sclp_chp_info *info);
void sclp_get_ipl_info(struct sclp_ipl_info *info);
-bool sclp_has_linemode(void);
-bool sclp_has_vt220(void);
+bool __init sclp_has_linemode(void);
+bool __init sclp_has_vt220(void);
int sclp_pci_configure(u32 fid);
int sclp_pci_deconfigure(u32 fid);
int memcpy_hsa(void *dest, unsigned long src, size_t count, int mode);
diff --git a/arch/s390/include/asm/smp.h b/arch/s390/include/asm/smp.h
index ac9bed8e103..16077939409 100644
--- a/arch/s390/include/asm/smp.h
+++ b/arch/s390/include/asm/smp.h
@@ -31,6 +31,7 @@ extern void smp_yield(void);
extern void smp_stop_cpu(void);
extern void smp_cpu_set_polarization(int cpu, int val);
extern int smp_cpu_get_polarization(int cpu);
+extern void smp_fill_possible_mask(void);
#else /* CONFIG_SMP */
@@ -50,6 +51,7 @@ static inline int smp_vcpu_scheduled(int cpu) { return 1; }
static inline void smp_yield_cpu(int cpu) { }
static inline void smp_yield(void) { }
static inline void smp_stop_cpu(void) { }
+static inline void smp_fill_possible_mask(void) { }
#endif /* CONFIG_SMP */
diff --git a/arch/s390/include/uapi/asm/zcrypt.h b/arch/s390/include/uapi/asm/zcrypt.h
index e83fc116f5b..f2b18eacaca 100644
--- a/arch/s390/include/uapi/asm/zcrypt.h
+++ b/arch/s390/include/uapi/asm/zcrypt.h
@@ -154,6 +154,67 @@ struct ica_xcRB {
unsigned short priority_window;
unsigned int status;
} __attribute__((packed));
+
+/**
+ * struct ep11_cprb - EP11 connectivity programming request block
+ * @cprb_len: CPRB header length [0x0020]
+ * @cprb_ver_id: CPRB version id. [0x04]
+ * @pad_000: Alignment pad bytes
+ * @flags: Admin cmd [0x80] or functional cmd [0x00]
+ * @func_id: Function id / subtype [0x5434]
+ * @source_id: Source id [originator id]
+ * @target_id: Target id [usage/ctrl domain id]
+ * @ret_code: Return code
+ * @reserved1: Reserved
+ * @reserved2: Reserved
+ * @payload_len: Payload length
+ */
+struct ep11_cprb {
+ uint16_t cprb_len;
+ unsigned char cprb_ver_id;
+ unsigned char pad_000[2];
+ unsigned char flags;
+ unsigned char func_id[2];
+ uint32_t source_id;
+ uint32_t target_id;
+ uint32_t ret_code;
+ uint32_t reserved1;
+ uint32_t reserved2;
+ uint32_t payload_len;
+} __attribute__((packed));
+
+/**
+ * struct ep11_target_dev - EP11 target device list
+ * @ap_id: AP device id
+ * @dom_id: Usage domain id
+ */
+struct ep11_target_dev {
+ uint16_t ap_id;
+ uint16_t dom_id;
+};
+
+/**
+ * struct ep11_urb - EP11 user request block
+ * @targets_num: Number of target adapters
+ * @targets: Addr to target adapter list
+ * @weight: Level of request priority
+ * @req_no: Request id/number
+ * @req_len: Request length
+ * @req: Addr to request block
+ * @resp_len: Response length
+ * @resp: Addr to response block
+ */
+struct ep11_urb {
+ uint16_t targets_num;
+ uint64_t targets;
+ uint64_t weight;
+ uint64_t req_no;
+ uint64_t req_len;
+ uint64_t req;
+ uint64_t resp_len;
+ uint64_t resp;
+} __attribute__((packed));
+
#define AUTOSELECT ((unsigned int)0xFFFFFFFF)
#define ZCRYPT_IOCTL_MAGIC 'z'
@@ -183,6 +244,9 @@ struct ica_xcRB {
* ZSECSENDCPRB
* Send an arbitrary CPRB to a crypto card.
*
+ * ZSENDEP11CPRB
+ * Send an arbitrary EP11 CPRB to an EP11 coprocessor crypto card.
+ *
* Z90STAT_STATUS_MASK
* Return an 64 element array of unsigned chars for the status of
* all devices.
@@ -256,6 +320,7 @@ struct ica_xcRB {
#define ICARSAMODEXPO _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x05, 0)
#define ICARSACRT _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x06, 0)
#define ZSECSENDCPRB _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x81, 0)
+#define ZSENDEP11CPRB _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x04, 0)
/* New status calls */
#define Z90STAT_TOTALCOUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x40, int)
diff --git a/arch/s390/kernel/Makefile b/arch/s390/kernel/Makefile
index 2403303cfed..1b3ac09c11b 100644
--- a/arch/s390/kernel/Makefile
+++ b/arch/s390/kernel/Makefile
@@ -60,7 +60,8 @@ obj-$(CONFIG_FTRACE_SYSCALLS) += ftrace.o
obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
ifdef CONFIG_64BIT
-obj-$(CONFIG_PERF_EVENTS) += perf_event.o perf_cpum_cf.o
+obj-$(CONFIG_PERF_EVENTS) += perf_event.o perf_cpum_cf.o perf_cpum_sf.o \
+ perf_cpum_cf_events.o
obj-y += runtime_instr.o cache.o
endif
diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c
index 496116cd65e..e4c99a18365 100644
--- a/arch/s390/kernel/asm-offsets.c
+++ b/arch/s390/kernel/asm-offsets.c
@@ -72,6 +72,7 @@ int main(void)
/* constants used by the vdso */
DEFINE(__CLOCK_REALTIME, CLOCK_REALTIME);
DEFINE(__CLOCK_MONOTONIC, CLOCK_MONOTONIC);
+ DEFINE(__CLOCK_THREAD_CPUTIME_ID, CLOCK_THREAD_CPUTIME_ID);
DEFINE(__CLOCK_REALTIME_RES, MONOTONIC_RES_NSEC);
BLANK();
/* idle data offsets */
diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c
index 95e7ba0fbb7..8b84bc373e9 100644
--- a/arch/s390/kernel/compat_signal.c
+++ b/arch/s390/kernel/compat_signal.c
@@ -412,8 +412,9 @@ static int setup_rt_frame32(int sig, struct k_sigaction *ka, siginfo_t *info,
regs->gprs[14] = (__u64 __force) ka->sa.sa_restorer | PSW32_ADDR_AMODE;
} else {
regs->gprs[14] = (__u64 __force) frame->retcode | PSW32_ADDR_AMODE;
- err |= __put_user(S390_SYSCALL_OPCODE | __NR_rt_sigreturn,
- (u16 __force __user *)(frame->retcode));
+ if (__put_user(S390_SYSCALL_OPCODE | __NR_rt_sigreturn,
+ (u16 __force __user *)(frame->retcode)))
+ goto give_sigsegv;
}
/* Set up backchain. */
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index e5b43c97a83..384e609b471 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -74,7 +74,7 @@ _TIF_TRACE = (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | _TIF_SECCOMP | \
.endm
.macro LPP newpp
-#if defined(CONFIG_KVM) || defined(CONFIG_KVM_MODULE)
+#if IS_ENABLED(CONFIG_KVM)
tm __LC_MACHINE_FLAGS+6,0x20 # MACHINE_FLAG_LPP
jz .+8
.insn s,0xb2800000,\newpp
@@ -82,7 +82,7 @@ _TIF_TRACE = (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | _TIF_SECCOMP | \
.endm
.macro HANDLE_SIE_INTERCEPT scratch,reason
-#if defined(CONFIG_KVM) || defined(CONFIG_KVM_MODULE)
+#if IS_ENABLED(CONFIG_KVM)
tmhh %r8,0x0001 # interrupting from user ?
jnz .+62
lgr \scratch,%r9
@@ -946,7 +946,7 @@ cleanup_idle_insn:
.quad __critical_end - __critical_start
-#if defined(CONFIG_KVM) || defined(CONFIG_KVM_MODULE)
+#if IS_ENABLED(CONFIG_KVM)
/*
* sie64a calling convention:
* %r2 pointer to sie control block
@@ -975,7 +975,7 @@ sie_done:
lctlg %c1,%c1,__LC_USER_ASCE # load primary asce
# some program checks are suppressing. C code (e.g. do_protection_exception)
# will rewind the PSW by the ILC, which is 4 bytes in case of SIE. Other
-# instructions beween sie64a and sie_done should not cause program
+# instructions between sie64a and sie_done should not cause program
# interrupts. So lets use a nop (47 00 00 00) as a landing pad.
# See also HANDLE_SIE_INTERCEPT
rewind_pad:
diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c
index 1105502bf6e..f51214c0485 100644
--- a/arch/s390/kernel/perf_cpum_cf.c
+++ b/arch/s390/kernel/perf_cpum_cf.c
@@ -680,6 +680,7 @@ static int __init cpumf_pmu_init(void)
goto out;
}
+ cpumf_pmu.attr_groups = cpumf_cf_event_group();
rc = perf_pmu_register(&cpumf_pmu, "cpum_cf", PERF_TYPE_RAW);
if (rc) {
pr_err("Registering the cpum_cf PMU failed with rc=%i\n", rc);
diff --git a/arch/s390/kernel/perf_cpum_cf_events.c b/arch/s390/kernel/perf_cpum_cf_events.c
new file mode 100644
index 00000000000..4554a4bae39
--- /dev/null
+++ b/arch/s390/kernel/perf_cpum_cf_events.c
@@ -0,0 +1,322 @@
+/*
+ * Perf PMU sysfs events attributes for available CPU-measurement counters
+ *
+ */
+
+#include <linux/slab.h>
+#include <linux/perf_event.h>
+
+
+/* BEGIN: CPUM_CF COUNTER DEFINITIONS =================================== */
+
+CPUMF_EVENT_ATTR(cf, CPU_CYCLES, 0x0000);
+CPUMF_EVENT_ATTR(cf, INSTRUCTIONS, 0x0001);
+CPUMF_EVENT_ATTR(cf, L1I_DIR_WRITES, 0x0002);
+CPUMF_EVENT_ATTR(cf, L1I_PENALTY_CYCLES, 0x0003);
+CPUMF_EVENT_ATTR(cf, PROBLEM_STATE_CPU_CYCLES, 0x0020);
+CPUMF_EVENT_ATTR(cf, PROBLEM_STATE_INSTRUCTIONS, 0x0021);
+CPUMF_EVENT_ATTR(cf, PROBLEM_STATE_L1I_DIR_WRITES, 0x0022);
+CPUMF_EVENT_ATTR(cf, PROBLEM_STATE_L1I_PENALTY_CYCLES, 0x0023);
+CPUMF_EVENT_ATTR(cf, PROBLEM_STATE_L1D_DIR_WRITES, 0x0024);
+CPUMF_EVENT_ATTR(cf, PROBLEM_STATE_L1D_PENALTY_CYCLES, 0x0025);
+CPUMF_EVENT_ATTR(cf, L1D_DIR_WRITES, 0x0004);
+CPUMF_EVENT_ATTR(cf, L1D_PENALTY_CYCLES, 0x0005);
+CPUMF_EVENT_ATTR(cf, PRNG_FUNCTIONS, 0x0040);
+CPUMF_EVENT_ATTR(cf, PRNG_CYCLES, 0x0041);
+CPUMF_EVENT_ATTR(cf, PRNG_BLOCKED_FUNCTIONS, 0x0042);
+CPUMF_EVENT_ATTR(cf, PRNG_BLOCKED_CYCLES, 0x0043);
+CPUMF_EVENT_ATTR(cf, SHA_FUNCTIONS, 0x0044);
+CPUMF_EVENT_ATTR(cf, SHA_CYCLES, 0x0045);
+CPUMF_EVENT_ATTR(cf, SHA_BLOCKED_FUNCTIONS, 0x0046);
+CPUMF_EVENT_ATTR(cf, SHA_BLOCKED_CYCLES, 0x0047);
+CPUMF_EVENT_ATTR(cf, DEA_FUNCTIONS, 0x0048);
+CPUMF_EVENT_ATTR(cf, DEA_CYCLES, 0x0049);
+CPUMF_EVENT_ATTR(cf, DEA_BLOCKED_FUNCTIONS, 0x004a);
+CPUMF_EVENT_ATTR(cf, DEA_BLOCKED_CYCLES, 0x004b);
+CPUMF_EVENT_ATTR(cf, AES_FUNCTIONS, 0x004c);
+CPUMF_EVENT_ATTR(cf, AES_CYCLES, 0x004d);
+CPUMF_EVENT_ATTR(cf, AES_BLOCKED_FUNCTIONS, 0x004e);
+CPUMF_EVENT_ATTR(cf, AES_BLOCKED_CYCLES, 0x004f);
+CPUMF_EVENT_ATTR(cf_z10, L1I_L2_SOURCED_WRITES, 0x0080);
+CPUMF_EVENT_ATTR(cf_z10, L1D_L2_SOURCED_WRITES, 0x0081);
+CPUMF_EVENT_ATTR(cf_z10, L1I_L3_LOCAL_WRITES, 0x0082);
+CPUMF_EVENT_ATTR(cf_z10, L1D_L3_LOCAL_WRITES, 0x0083);
+CPUMF_EVENT_ATTR(cf_z10, L1I_L3_REMOTE_WRITES, 0x0084);
+CPUMF_EVENT_ATTR(cf_z10, L1D_L3_REMOTE_WRITES, 0x0085);
+CPUMF_EVENT_ATTR(cf_z10, L1D_LMEM_SOURCED_WRITES, 0x0086);
+CPUMF_EVENT_ATTR(cf_z10, L1I_LMEM_SOURCED_WRITES, 0x0087);
+CPUMF_EVENT_ATTR(cf_z10, L1D_RO_EXCL_WRITES, 0x0088);
+CPUMF_EVENT_ATTR(cf_z10, L1I_CACHELINE_INVALIDATES, 0x0089);
+CPUMF_EVENT_ATTR(cf_z10, ITLB1_WRITES, 0x008a);
+CPUMF_EVENT_ATTR(cf_z10, DTLB1_WRITES, 0x008b);
+CPUMF_EVENT_ATTR(cf_z10, TLB2_PTE_WRITES, 0x008c);
+CPUMF_EVENT_ATTR(cf_z10, TLB2_CRSTE_WRITES, 0x008d);
+CPUMF_EVENT_ATTR(cf_z10, TLB2_CRSTE_HPAGE_WRITES, 0x008e);
+CPUMF_EVENT_ATTR(cf_z10, ITLB1_MISSES, 0x0091);
+CPUMF_EVENT_ATTR(cf_z10, DTLB1_MISSES, 0x0092);
+CPUMF_EVENT_ATTR(cf_z10, L2C_STORES_SENT, 0x0093);
+CPUMF_EVENT_ATTR(cf_z196, L1D_L2_SOURCED_WRITES, 0x0080);
+CPUMF_EVENT_ATTR(cf_z196, L1I_L2_SOURCED_WRITES, 0x0081);
+CPUMF_EVENT_ATTR(cf_z196, DTLB1_MISSES, 0x0082);
+CPUMF_EVENT_ATTR(cf_z196, ITLB1_MISSES, 0x0083);
+CPUMF_EVENT_ATTR(cf_z196, L2C_STORES_SENT, 0x0085);
+CPUMF_EVENT_ATTR(cf_z196, L1D_OFFBOOK_L3_SOURCED_WRITES, 0x0086);
+CPUMF_EVENT_ATTR(cf_z196, L1D_ONBOOK_L4_SOURCED_WRITES, 0x0087);
+CPUMF_EVENT_ATTR(cf_z196, L1I_ONBOOK_L4_SOURCED_WRITES, 0x0088);
+CPUMF_EVENT_ATTR(cf_z196, L1D_RO_EXCL_WRITES, 0x0089);
+CPUMF_EVENT_ATTR(cf_z196, L1D_OFFBOOK_L4_SOURCED_WRITES, 0x008a);
+CPUMF_EVENT_ATTR(cf_z196, L1I_OFFBOOK_L4_SOURCED_WRITES, 0x008b);
+CPUMF_EVENT_ATTR(cf_z196, DTLB1_HPAGE_WRITES, 0x008c);
+CPUMF_EVENT_ATTR(cf_z196, L1D_LMEM_SOURCED_WRITES, 0x008d);
+CPUMF_EVENT_ATTR(cf_z196, L1I_LMEM_SOURCED_WRITES, 0x008e);
+CPUMF_EVENT_ATTR(cf_z196, L1I_OFFBOOK_L3_SOURCED_WRITES, 0x008f);
+CPUMF_EVENT_ATTR(cf_z196, DTLB1_WRITES, 0x0090);
+CPUMF_EVENT_ATTR(cf_z196, ITLB1_WRITES, 0x0091);
+CPUMF_EVENT_ATTR(cf_z196, TLB2_PTE_WRITES, 0x0092);
+CPUMF_EVENT_ATTR(cf_z196, TLB2_CRSTE_HPAGE_WRITES, 0x0093);
+CPUMF_EVENT_ATTR(cf_z196, TLB2_CRSTE_WRITES, 0x0094);
+CPUMF_EVENT_ATTR(cf_z196, L1D_ONCHIP_L3_SOURCED_WRITES, 0x0096);
+CPUMF_EVENT_ATTR(cf_z196, L1D_OFFCHIP_L3_SOURCED_WRITES, 0x0098);
+CPUMF_EVENT_ATTR(cf_z196, L1I_ONCHIP_L3_SOURCED_WRITES, 0x0099);
+CPUMF_EVENT_ATTR(cf_z196, L1I_OFFCHIP_L3_SOURCED_WRITES, 0x009b);
+CPUMF_EVENT_ATTR(cf_zec12, DTLB1_MISSES, 0x0080);
+CPUMF_EVENT_ATTR(cf_zec12, ITLB1_MISSES, 0x0081);
+CPUMF_EVENT_ATTR(cf_zec12, L1D_L2I_SOURCED_WRITES, 0x0082);
+CPUMF_EVENT_ATTR(cf_zec12, L1I_L2I_SOURCED_WRITES, 0x0083);
+CPUMF_EVENT_ATTR(cf_zec12, L1D_L2D_SOURCED_WRITES, 0x0084);
+CPUMF_EVENT_ATTR(cf_zec12, DTLB1_WRITES, 0x0085);
+CPUMF_EVENT_ATTR(cf_zec12, L1D_LMEM_SOURCED_WRITES, 0x0087);
+CPUMF_EVENT_ATTR(cf_zec12, L1I_LMEM_SOURCED_WRITES, 0x0089);
+CPUMF_EVENT_ATTR(cf_zec12, L1D_RO_EXCL_WRITES, 0x008a);
+CPUMF_EVENT_ATTR(cf_zec12, DTLB1_HPAGE_WRITES, 0x008b);
+CPUMF_EVENT_ATTR(cf_zec12, ITLB1_WRITES, 0x008c);
+CPUMF_EVENT_ATTR(cf_zec12, TLB2_PTE_WRITES, 0x008d);
+CPUMF_EVENT_ATTR(cf_zec12, TLB2_CRSTE_HPAGE_WRITES, 0x008e);
+CPUMF_EVENT_ATTR(cf_zec12, TLB2_CRSTE_WRITES, 0x008f);
+CPUMF_EVENT_ATTR(cf_zec12, L1D_ONCHIP_L3_SOURCED_WRITES, 0x0090);
+CPUMF_EVENT_ATTR(cf_zec12, L1D_OFFCHIP_L3_SOURCED_WRITES, 0x0091);
+CPUMF_EVENT_ATTR(cf_zec12, L1D_OFFBOOK_L3_SOURCED_WRITES, 0x0092);
+CPUMF_EVENT_ATTR(cf_zec12, L1D_ONBOOK_L4_SOURCED_WRITES, 0x0093);
+CPUMF_EVENT_ATTR(cf_zec12, L1D_OFFBOOK_L4_SOURCED_WRITES, 0x0094);
+CPUMF_EVENT_ATTR(cf_zec12, TX_NC_TEND, 0x0095);
+CPUMF_EVENT_ATTR(cf_zec12, L1D_ONCHIP_L3_SOURCED_WRITES_IV, 0x0096);
+CPUMF_EVENT_ATTR(cf_zec12, L1D_OFFCHIP_L3_SOURCED_WRITES_IV, 0x0097);
+CPUMF_EVENT_ATTR(cf_zec12, L1D_OFFBOOK_L3_SOURCED_WRITES_IV, 0x0098);
+CPUMF_EVENT_ATTR(cf_zec12, L1I_ONCHIP_L3_SOURCED_WRITES, 0x0099);
+CPUMF_EVENT_ATTR(cf_zec12, L1I_OFFCHIP_L3_SOURCED_WRITES, 0x009a);
+CPUMF_EVENT_ATTR(cf_zec12, L1I_OFFBOOK_L3_SOURCED_WRITES, 0x009b);
+CPUMF_EVENT_ATTR(cf_zec12, L1I_ONBOOK_L4_SOURCED_WRITES, 0x009c);
+CPUMF_EVENT_ATTR(cf_zec12, L1I_OFFBOOK_L4_SOURCED_WRITES, 0x009d);
+CPUMF_EVENT_ATTR(cf_zec12, TX_C_TEND, 0x009e);
+CPUMF_EVENT_ATTR(cf_zec12, L1I_ONCHIP_L3_SOURCED_WRITES_IV, 0x009f);
+CPUMF_EVENT_ATTR(cf_zec12, L1I_OFFCHIP_L3_SOURCED_WRITES_IV, 0x00a0);
+CPUMF_EVENT_ATTR(cf_zec12, L1I_OFFBOOK_L3_SOURCED_WRITES_IV, 0x00a1);
+CPUMF_EVENT_ATTR(cf_zec12, TX_NC_TABORT, 0x00b1);
+CPUMF_EVENT_ATTR(cf_zec12, TX_C_TABORT_NO_SPECIAL, 0x00b2);
+CPUMF_EVENT_ATTR(cf_zec12, TX_C_TABORT_SPECIAL, 0x00b3);
+
+static struct attribute *cpumcf_pmu_event_attr[] = {
+ CPUMF_EVENT_PTR(cf, CPU_CYCLES),
+ CPUMF_EVENT_PTR(cf, INSTRUCTIONS),
+ CPUMF_EVENT_PTR(cf, L1I_DIR_WRITES),
+ CPUMF_EVENT_PTR(cf, L1I_PENALTY_CYCLES),
+ CPUMF_EVENT_PTR(cf, PROBLEM_STATE_CPU_CYCLES),
+ CPUMF_EVENT_PTR(cf, PROBLEM_STATE_INSTRUCTIONS),
+ CPUMF_EVENT_PTR(cf, PROBLEM_STATE_L1I_DIR_WRITES),
+ CPUMF_EVENT_PTR(cf, PROBLEM_STATE_L1I_PENALTY_CYCLES),
+ CPUMF_EVENT_PTR(cf, PROBLEM_STATE_L1D_DIR_WRITES),
+ CPUMF_EVENT_PTR(cf, PROBLEM_STATE_L1D_PENALTY_CYCLES),
+ CPUMF_EVENT_PTR(cf, L1D_DIR_WRITES),
+ CPUMF_EVENT_PTR(cf, L1D_PENALTY_CYCLES),
+ CPUMF_EVENT_PTR(cf, PRNG_FUNCTIONS),
+ CPUMF_EVENT_PTR(cf, PRNG_CYCLES),
+ CPUMF_EVENT_PTR(cf, PRNG_BLOCKED_FUNCTIONS),
+ CPUMF_EVENT_PTR(cf, PRNG_BLOCKED_CYCLES),
+ CPUMF_EVENT_PTR(cf, SHA_FUNCTIONS),
+ CPUMF_EVENT_PTR(cf, SHA_CYCLES),
+ CPUMF_EVENT_PTR(cf, SHA_BLOCKED_FUNCTIONS),
+ CPUMF_EVENT_PTR(cf, SHA_BLOCKED_CYCLES),
+ CPUMF_EVENT_PTR(cf, DEA_FUNCTIONS),
+ CPUMF_EVENT_PTR(cf, DEA_CYCLES),
+ CPUMF_EVENT_PTR(cf, DEA_BLOCKED_FUNCTIONS),
+ CPUMF_EVENT_PTR(cf, DEA_BLOCKED_CYCLES),
+ CPUMF_EVENT_PTR(cf, AES_FUNCTIONS),
+ CPUMF_EVENT_PTR(cf, AES_CYCLES),
+ CPUMF_EVENT_PTR(cf, AES_BLOCKED_FUNCTIONS),
+ CPUMF_EVENT_PTR(cf, AES_BLOCKED_CYCLES),
+ NULL,
+};
+
+static struct attribute *cpumcf_z10_pmu_event_attr[] __initdata = {
+ CPUMF_EVENT_PTR(cf_z10, L1I_L2_SOURCED_WRITES),
+ CPUMF_EVENT_PTR(cf_z10, L1D_L2_SOURCED_WRITES),
+ CPUMF_EVENT_PTR(cf_z10, L1I_L3_LOCAL_WRITES),
+ CPUMF_EVENT_PTR(cf_z10, L1D_L3_LOCAL_WRITES),
+ CPUMF_EVENT_PTR(cf_z10, L1I_L3_REMOTE_WRITES),
+ CPUMF_EVENT_PTR(cf_z10, L1D_L3_REMOTE_WRITES),
+ CPUMF_EVENT_PTR(cf_z10, L1D_LMEM_SOURCED_WRITES),
+ CPUMF_EVENT_PTR(cf_z10, L1I_LMEM_SOURCED_WRITES),
+ CPUMF_EVENT_PTR(cf_z10, L1D_RO_EXCL_WRITES),
+ CPUMF_EVENT_PTR(cf_z10, L1I_CACHELINE_INVALIDATES),
+ CPUMF_EVENT_PTR(cf_z10, ITLB1_WRITES),
+ CPUMF_EVENT_PTR(cf_z10, DTLB1_WRITES),
+ CPUMF_EVENT_PTR(cf_z10, TLB2_PTE_WRITES),
+ CPUMF_EVENT_PTR(cf_z10, TLB2_CRSTE_WRITES),
+ CPUMF_EVENT_PTR(cf_z10, TLB2_CRSTE_HPAGE_WRITES),
+ CPUMF_EVENT_PTR(cf_z10, ITLB1_MISSES),
+ CPUMF_EVENT_PTR(cf_z10, DTLB1_MISSES),
+ CPUMF_EVENT_PTR(cf_z10, L2C_STORES_SENT),
+ NULL,
+};
+
+static struct attribute *cpumcf_z196_pmu_event_attr[] __initdata = {
+ CPUMF_EVENT_PTR(cf_z196, L1D_L2_SOURCED_WRITES),
+ CPUMF_EVENT_PTR(cf_z196, L1I_L2_SOURCED_WRITES),
+ CPUMF_EVENT_PTR(cf_z196, DTLB1_MISSES),
+ CPUMF_EVENT_PTR(cf_z196, ITLB1_MISSES),
+ CPUMF_EVENT_PTR(cf_z196, L2C_STORES_SENT),
+ CPUMF_EVENT_PTR(cf_z196, L1D_OFFBOOK_L3_SOURCED_WRITES),
+ CPUMF_EVENT_PTR(cf_z196, L1D_ONBOOK_L4_SOURCED_WRITES),
+ CPUMF_EVENT_PTR(cf_z196, L1I_ONBOOK_L4_SOURCED_WRITES),
+ CPUMF_EVENT_PTR(cf_z196, L1D_RO_EXCL_WRITES),
+ CPUMF_EVENT_PTR(cf_z196, L1D_OFFBOOK_L4_SOURCED_WRITES),
+ CPUMF_EVENT_PTR(cf_z196, L1I_OFFBOOK_L4_SOURCED_WRITES),
+ CPUMF_EVENT_PTR(cf_z196, DTLB1_HPAGE_WRITES),
+ CPUMF_EVENT_PTR(cf_z196, L1D_LMEM_SOURCED_WRITES),
+ CPUMF_EVENT_PTR(cf_z196, L1I_LMEM_SOURCED_WRITES),
+ CPUMF_EVENT_PTR(cf_z196, L1I_OFFBOOK_L3_SOURCED_WRITES),
+ CPUMF_EVENT_PTR(cf_z196, DTLB1_WRITES),
+ CPUMF_EVENT_PTR(cf_z196, ITLB1_WRITES),
+ CPUMF_EVENT_PTR(cf_z196, TLB2_PTE_WRITES),
+ CPUMF_EVENT_PTR(cf_z196, TLB2_CRSTE_HPAGE_WRITES),
+ CPUMF_EVENT_PTR(cf_z196, TLB2_CRSTE_WRITES),
+ CPUMF_EVENT_PTR(cf_z196, L1D_ONCHIP_L3_SOURCED_WRITES),
+ CPUMF_EVENT_PTR(cf_z196, L1D_OFFCHIP_L3_SOURCED_WRITES),
+ CPUMF_EVENT_PTR(cf_z196, L1I_ONCHIP_L3_SOURCED_WRITES),
+ CPUMF_EVENT_PTR(cf_z196, L1I_OFFCHIP_L3_SOURCED_WRITES),
+ NULL,
+};
+
+static struct attribute *cpumcf_zec12_pmu_event_attr[] __initdata = {
+ CPUMF_EVENT_PTR(cf_zec12, DTLB1_MISSES),
+ CPUMF_EVENT_PTR(cf_zec12, ITLB1_MISSES),
+ CPUMF_EVENT_PTR(cf_zec12, L1D_L2I_SOURCED_WRITES),
+ CPUMF_EVENT_PTR(cf_zec12, L1I_L2I_SOURCED_WRITES),
+ CPUMF_EVENT_PTR(cf_zec12, L1D_L2D_SOURCED_WRITES),
+ CPUMF_EVENT_PTR(cf_zec12, DTLB1_WRITES),
+ CPUMF_EVENT_PTR(cf_zec12, L1D_LMEM_SOURCED_WRITES),
+ CPUMF_EVENT_PTR(cf_zec12, L1I_LMEM_SOURCED_WRITES),
+ CPUMF_EVENT_PTR(cf_zec12, L1D_RO_EXCL_WRITES),
+ CPUMF_EVENT_PTR(cf_zec12, DTLB1_HPAGE_WRITES),
+ CPUMF_EVENT_PTR(cf_zec12, ITLB1_WRITES),
+ CPUMF_EVENT_PTR(cf_zec12, TLB2_PTE_WRITES),
+ CPUMF_EVENT_PTR(cf_zec12, TLB2_CRSTE_HPAGE_WRITES),
+ CPUMF_EVENT_PTR(cf_zec12, TLB2_CRSTE_WRITES),
+ CPUMF_EVENT_PTR(cf_zec12, L1D_ONCHIP_L3_SOURCED_WRITES),
+ CPUMF_EVENT_PTR(cf_zec12, L1D_OFFCHIP_L3_SOURCED_WRITES),
+ CPUMF_EVENT_PTR(cf_zec12, L1D_OFFBOOK_L3_SOURCED_WRITES),
+ CPUMF_EVENT_PTR(cf_zec12, L1D_ONBOOK_L4_SOURCED_WRITES),
+ CPUMF_EVENT_PTR(cf_zec12, L1D_OFFBOOK_L4_SOURCED_WRITES),
+ CPUMF_EVENT_PTR(cf_zec12, TX_NC_TEND),
+ CPUMF_EVENT_PTR(cf_zec12, L1D_ONCHIP_L3_SOURCED_WRITES_IV),
+ CPUMF_EVENT_PTR(cf_zec12, L1D_OFFCHIP_L3_SOURCED_WRITES_IV),
+ CPUMF_EVENT_PTR(cf_zec12, L1D_OFFBOOK_L3_SOURCED_WRITES_IV),
+ CPUMF_EVENT_PTR(cf_zec12, L1I_ONCHIP_L3_SOURCED_WRITES),
+ CPUMF_EVENT_PTR(cf_zec12, L1I_OFFCHIP_L3_SOURCED_WRITES),
+ CPUMF_EVENT_PTR(cf_zec12, L1I_OFFBOOK_L3_SOURCED_WRITES),
+ CPUMF_EVENT_PTR(cf_zec12, L1I_ONBOOK_L4_SOURCED_WRITES),
+ CPUMF_EVENT_PTR(cf_zec12, L1I_OFFBOOK_L4_SOURCED_WRITES),
+ CPUMF_EVENT_PTR(cf_zec12, TX_C_TEND),
+ CPUMF_EVENT_PTR(cf_zec12, L1I_ONCHIP_L3_SOURCED_WRITES_IV),
+ CPUMF_EVENT_PTR(cf_zec12, L1I_OFFCHIP_L3_SOURCED_WRITES_IV),
+ CPUMF_EVENT_PTR(cf_zec12, L1I_OFFBOOK_L3_SOURCED_WRITES_IV),
+ CPUMF_EVENT_PTR(cf_zec12, TX_NC_TABORT),
+ CPUMF_EVENT_PTR(cf_zec12, TX_C_TABORT_NO_SPECIAL),
+ CPUMF_EVENT_PTR(cf_zec12, TX_C_TABORT_SPECIAL),
+ NULL,
+};
+
+/* END: CPUM_CF COUNTER DEFINITIONS ===================================== */
+
+static struct attribute_group cpumsf_pmu_events_group = {
+ .name = "events",
+ .attrs = cpumcf_pmu_event_attr,
+};
+
+PMU_FORMAT_ATTR(event, "config:0-63");
+
+static struct attribute *cpumsf_pmu_format_attr[] = {
+ &format_attr_event.attr,
+ NULL,
+};
+
+static struct attribute_group cpumsf_pmu_format_group = {
+ .name = "format",
+ .attrs = cpumsf_pmu_format_attr,
+};
+
+static const struct attribute_group *cpumsf_pmu_attr_groups[] = {
+ &cpumsf_pmu_events_group,
+ &cpumsf_pmu_format_group,
+ NULL,
+};
+
+
+static __init struct attribute **merge_attr(struct attribute **a,
+ struct attribute **b)
+{
+ struct attribute **new;
+ int j, i;
+
+ for (j = 0; a[j]; j++)
+ ;
+ for (i = 0; b[i]; i++)
+ j++;
+ j++;
+
+ new = kmalloc(sizeof(struct attribute *) * j, GFP_KERNEL);
+ if (!new)
+ return NULL;
+ j = 0;
+ for (i = 0; a[i]; i++)
+ new[j++] = a[i];
+ for (i = 0; b[i]; i++)
+ new[j++] = b[i];
+ new[j] = NULL;
+
+ return new;
+}
+
+__init const struct attribute_group **cpumf_cf_event_group(void)
+{
+ struct attribute **combined, **model;
+ struct cpuid cpu_id;
+
+ get_cpu_id(&cpu_id);
+ switch (cpu_id.machine) {
+ case 0x2097:
+ case 0x2098:
+ model = cpumcf_z10_pmu_event_attr;
+ break;
+ case 0x2817:
+ case 0x2818:
+ model = cpumcf_z196_pmu_event_attr;
+ break;
+ case 0x2827:
+ case 0x2828:
+ model = cpumcf_zec12_pmu_event_attr;
+ break;
+ default:
+ model = NULL;
+ break;
+ };
+
+ if (!model)
+ goto out;
+
+ combined = merge_attr(cpumcf_pmu_event_attr, model);
+ if (combined)
+ cpumsf_pmu_events_group.attrs = combined;
+out:
+ return cpumsf_pmu_attr_groups;
+}
diff --git a/arch/s390/kernel/perf_cpum_sf.c b/arch/s390/kernel/perf_cpum_sf.c
new file mode 100644
index 00000000000..6c0d29827cb
--- /dev/null
+++ b/arch/s390/kernel/perf_cpum_sf.c
@@ -0,0 +1,1641 @@
+/*
+ * Performance event support for the System z CPU-measurement Sampling Facility
+ *
+ * Copyright IBM Corp. 2013
+ * Author(s): Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (version 2 only)
+ * as published by the Free Software Foundation.
+ */
+#define KMSG_COMPONENT "cpum_sf"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
+#include <linux/kernel.h>
+#include <linux/kernel_stat.h>
+#include <linux/perf_event.h>
+#include <linux/percpu.h>
+#include <linux/notifier.h>
+#include <linux/export.h>
+#include <linux/slab.h>
+#include <linux/mm.h>
+#include <linux/moduleparam.h>
+#include <asm/cpu_mf.h>
+#include <asm/irq.h>
+#include <asm/debug.h>
+#include <asm/timex.h>
+
+/* Minimum number of sample-data-block-tables:
+ * At least one table is required for the sampling buffer structure.
+ * A single table contains up to 511 pointers to sample-data-blocks.
+ */
+#define CPUM_SF_MIN_SDBT 1
+
+/* Number of sample-data-blocks per sample-data-block-table (SDBT):
+ * A table contains SDB pointers (8 bytes) and one table-link entry
+ * that points to the origin of the next SDBT.
+ */
+#define CPUM_SF_SDB_PER_TABLE ((PAGE_SIZE - 8) / 8)
+
+/* Maximum page offset for an SDBT table-link entry:
+ * If this page offset is reached, a table-link entry to the next SDBT
+ * must be added.
+ */
+#define CPUM_SF_SDBT_TL_OFFSET (CPUM_SF_SDB_PER_TABLE * 8)
+static inline int require_table_link(const void *sdbt)
+{
+ return ((unsigned long) sdbt & ~PAGE_MASK) == CPUM_SF_SDBT_TL_OFFSET;
+}
+
+/* Minimum and maximum sampling buffer sizes:
+ *
+ * This number represents the maximum size of the sampling buffer taking
+ * the number of sample-data-block-tables into account. Note that these
+ * numbers apply to the basic-sampling function only.
+ * The maximum number of SDBs is increased by CPUM_SF_SDB_DIAG_FACTOR if
+ * the diagnostic-sampling function is active.
+ *
+ * Sampling buffer size Buffer characteristics
+ * ---------------------------------------------------
+ * 64KB == 16 pages (4KB per page)
+ * 1 page for SDB-tables
+ * 15 pages for SDBs
+ *
+ * 32MB == 8192 pages (4KB per page)
+ * 16 pages for SDB-tables
+ * 8176 pages for SDBs
+ */
+static unsigned long __read_mostly CPUM_SF_MIN_SDB = 15;
+static unsigned long __read_mostly CPUM_SF_MAX_SDB = 8176;
+static unsigned long __read_mostly CPUM_SF_SDB_DIAG_FACTOR = 1;
+
+struct sf_buffer {
+ unsigned long *sdbt; /* Sample-data-block-table origin */
+ /* buffer characteristics (required for buffer increments) */
+ unsigned long num_sdb; /* Number of sample-data-blocks */
+ unsigned long num_sdbt; /* Number of sample-data-block-tables */
+ unsigned long *tail; /* last sample-data-block-table */
+};
+
+struct cpu_hw_sf {
+ /* CPU-measurement sampling information block */
+ struct hws_qsi_info_block qsi;
+ /* CPU-measurement sampling control block */
+ struct hws_lsctl_request_block lsctl;
+ struct sf_buffer sfb; /* Sampling buffer */
+ unsigned int flags; /* Status flags */
+ struct perf_event *event; /* Scheduled perf event */
+};
+static DEFINE_PER_CPU(struct cpu_hw_sf, cpu_hw_sf);
+
+/* Debug feature */
+static debug_info_t *sfdbg;
+
+/*
+ * sf_disable() - Switch off sampling facility
+ */
+static int sf_disable(void)
+{
+ struct hws_lsctl_request_block sreq;
+
+ memset(&sreq, 0, sizeof(sreq));
+ return lsctl(&sreq);
+}
+
+/*
+ * sf_buffer_available() - Check for an allocated sampling buffer
+ */
+static int sf_buffer_available(struct cpu_hw_sf *cpuhw)
+{
+ return !!cpuhw->sfb.sdbt;
+}
+
+/*
+ * deallocate sampling facility buffer
+ */
+static void free_sampling_buffer(struct sf_buffer *sfb)
+{
+ unsigned long *sdbt, *curr;
+
+ if (!sfb->sdbt)
+ return;
+
+ sdbt = sfb->sdbt;
+ curr = sdbt;
+
+ /* Free the SDBT after all SDBs are processed... */
+ while (1) {
+ if (!*curr || !sdbt)
+ break;
+
+ /* Process table-link entries */
+ if (is_link_entry(curr)) {
+ curr = get_next_sdbt(curr);
+ if (sdbt)
+ free_page((unsigned long) sdbt);
+
+ /* If the origin is reached, sampling buffer is freed */
+ if (curr == sfb->sdbt)
+ break;
+ else
+ sdbt = curr;
+ } else {
+ /* Process SDB pointer */
+ if (*curr) {
+ free_page(*curr);
+ curr++;
+ }
+ }
+ }
+
+ debug_sprintf_event(sfdbg, 5,
+ "free_sampling_buffer: freed sdbt=%p\n", sfb->sdbt);
+ memset(sfb, 0, sizeof(*sfb));
+}
+
+static int alloc_sample_data_block(unsigned long *sdbt, gfp_t gfp_flags)
+{
+ unsigned long sdb, *trailer;
+
+ /* Allocate and initialize sample-data-block */
+ sdb = get_zeroed_page(gfp_flags);
+ if (!sdb)
+ return -ENOMEM;
+ trailer = trailer_entry_ptr(sdb);
+ *trailer = SDB_TE_ALERT_REQ_MASK;
+
+ /* Link SDB into the sample-data-block-table */
+ *sdbt = sdb;
+
+ return 0;
+}
+
+/*
+ * realloc_sampling_buffer() - extend sampler memory
+ *
+ * Allocates new sample-data-blocks and adds them to the specified sampling
+ * buffer memory.
+ *
+ * Important: This modifies the sampling buffer and must be called when the
+ * sampling facility is disabled.
+ *
+ * Returns zero on success, non-zero otherwise.
+ */
+static int realloc_sampling_buffer(struct sf_buffer *sfb,
+ unsigned long num_sdb, gfp_t gfp_flags)
+{
+ int i, rc;
+ unsigned long *new, *tail;
+
+ if (!sfb->sdbt || !sfb->tail)
+ return -EINVAL;
+
+ if (!is_link_entry(sfb->tail))
+ return -EINVAL;
+
+ /* Append to the existing sampling buffer, overwriting the table-link
+ * register.
+ * The tail variables always points to the "tail" (last and table-link)
+ * entry in an SDB-table.
+ */
+ tail = sfb->tail;
+
+ /* Do a sanity check whether the table-link entry points to
+ * the sampling buffer origin.
+ */
+ if (sfb->sdbt != get_next_sdbt(tail)) {
+ debug_sprintf_event(sfdbg, 3, "realloc_sampling_buffer: "
+ "sampling buffer is not linked: origin=%p"
+ "tail=%p\n",
+ (void *) sfb->sdbt, (void *) tail);
+ return -EINVAL;
+ }
+
+ /* Allocate remaining SDBs */
+ rc = 0;
+ for (i = 0; i < num_sdb; i++) {
+ /* Allocate a new SDB-table if it is full. */
+ if (require_table_link(tail)) {
+ new = (unsigned long *) get_zeroed_page(gfp_flags);
+ if (!new) {
+ rc = -ENOMEM;
+ break;
+ }
+ sfb->num_sdbt++;
+ /* Link current page to tail of chain */
+ *tail = (unsigned long)(void *) new + 1;
+ tail = new;
+ }
+
+ /* Allocate a new sample-data-block.
+ * If there is not enough memory, stop the realloc process
+ * and simply use what was allocated. If this is a temporary
+ * issue, a new realloc call (if required) might succeed.
+ */
+ rc = alloc_sample_data_block(tail, gfp_flags);
+ if (rc)
+ break;
+ sfb->num_sdb++;
+ tail++;
+ }
+
+ /* Link sampling buffer to its origin */
+ *tail = (unsigned long) sfb->sdbt + 1;
+ sfb->tail = tail;
+
+ debug_sprintf_event(sfdbg, 4, "realloc_sampling_buffer: new buffer"
+ " settings: sdbt=%lu sdb=%lu\n",
+ sfb->num_sdbt, sfb->num_sdb);
+ return rc;
+}
+
+/*
+ * allocate_sampling_buffer() - allocate sampler memory
+ *
+ * Allocates and initializes a sampling buffer structure using the
+ * specified number of sample-data-blocks (SDB). For each allocation,
+ * a 4K page is used. The number of sample-data-block-tables (SDBT)
+ * are calculated from SDBs.
+ * Also set the ALERT_REQ mask in each SDBs trailer.
+ *
+ * Returns zero on success, non-zero otherwise.
+ */
+static int alloc_sampling_buffer(struct sf_buffer *sfb, unsigned long num_sdb)
+{
+ int rc;
+
+ if (sfb->sdbt)
+ return -EINVAL;
+
+ /* Allocate the sample-data-block-table origin */
+ sfb->sdbt = (unsigned long *) get_zeroed_page(GFP_KERNEL);
+ if (!sfb->sdbt)
+ return -ENOMEM;
+ sfb->num_sdb = 0;
+ sfb->num_sdbt = 1;
+
+ /* Link the table origin to point to itself to prepare for
+ * realloc_sampling_buffer() invocation.
+ */
+ sfb->tail = sfb->sdbt;
+ *sfb->tail = (unsigned long)(void *) sfb->sdbt + 1;
+
+ /* Allocate requested number of sample-data-blocks */
+ rc = realloc_sampling_buffer(sfb, num_sdb, GFP_KERNEL);
+ if (rc) {
+ free_sampling_buffer(sfb);
+ debug_sprintf_event(sfdbg, 4, "alloc_sampling_buffer: "
+ "realloc_sampling_buffer failed with rc=%i\n", rc);
+ } else
+ debug_sprintf_event(sfdbg, 4,
+ "alloc_sampling_buffer: tear=%p dear=%p\n",
+ sfb->sdbt, (void *) *sfb->sdbt);
+ return rc;
+}
+
+static void sfb_set_limits(unsigned long min, unsigned long max)
+{
+ struct hws_qsi_info_block si;
+
+ CPUM_SF_MIN_SDB = min;
+ CPUM_SF_MAX_SDB = max;
+
+ memset(&si, 0, sizeof(si));
+ if (!qsi(&si))
+ CPUM_SF_SDB_DIAG_FACTOR = DIV_ROUND_UP(si.dsdes, si.bsdes);
+}
+
+static unsigned long sfb_max_limit(struct hw_perf_event *hwc)
+{
+ return SAMPL_DIAG_MODE(hwc) ? CPUM_SF_MAX_SDB * CPUM_SF_SDB_DIAG_FACTOR
+ : CPUM_SF_MAX_SDB;
+}
+
+static unsigned long sfb_pending_allocs(struct sf_buffer *sfb,
+ struct hw_perf_event *hwc)
+{
+ if (!sfb->sdbt)
+ return SFB_ALLOC_REG(hwc);
+ if (SFB_ALLOC_REG(hwc) > sfb->num_sdb)
+ return SFB_ALLOC_REG(hwc) - sfb->num_sdb;
+ return 0;
+}
+
+static int sfb_has_pending_allocs(struct sf_buffer *sfb,
+ struct hw_perf_event *hwc)
+{
+ return sfb_pending_allocs(sfb, hwc) > 0;
+}
+
+static void sfb_account_allocs(unsigned long num, struct hw_perf_event *hwc)
+{
+ /* Limit the number of SDBs to not exceed the maximum */
+ num = min_t(unsigned long, num, sfb_max_limit(hwc) - SFB_ALLOC_REG(hwc));
+ if (num)
+ SFB_ALLOC_REG(hwc) += num;
+}
+
+static void sfb_init_allocs(unsigned long num, struct hw_perf_event *hwc)
+{
+ SFB_ALLOC_REG(hwc) = 0;
+ sfb_account_allocs(num, hwc);
+}
+
+static size_t event_sample_size(struct hw_perf_event *hwc)
+{
+ struct sf_raw_sample *sfr = (struct sf_raw_sample *) RAWSAMPLE_REG(hwc);
+ size_t sample_size;
+
+ /* The sample size depends on the sampling function: The basic-sampling
+ * function must be always enabled, diagnostic-sampling function is
+ * optional.
+ */
+ sample_size = sfr->bsdes;
+ if (SAMPL_DIAG_MODE(hwc))
+ sample_size += sfr->dsdes;
+
+ return sample_size;
+}
+
+static void deallocate_buffers(struct cpu_hw_sf *cpuhw)
+{
+ if (cpuhw->sfb.sdbt)
+ free_sampling_buffer(&cpuhw->sfb);
+}
+
+static int allocate_buffers(struct cpu_hw_sf *cpuhw, struct hw_perf_event *hwc)
+{
+ unsigned long n_sdb, freq, factor;
+ size_t sfr_size, sample_size;
+ struct sf_raw_sample *sfr;
+
+ /* Allocate raw sample buffer
+ *
+ * The raw sample buffer is used to temporarily store sampling data
+ * entries for perf raw sample processing. The buffer size mainly
+ * depends on the size of diagnostic-sampling data entries which is
+ * machine-specific. The exact size calculation includes:
+ * 1. The first 4 bytes of diagnostic-sampling data entries are
+ * already reflected in the sf_raw_sample structure. Subtract
+ * these bytes.
+ * 2. The perf raw sample data must be 8-byte aligned (u64) and
+ * perf's internal data size must be considered too. So add
+ * an additional u32 for correct alignment and subtract before
+ * allocating the buffer.
+ * 3. Store the raw sample buffer pointer in the perf event
+ * hardware structure.
+ */
+ sfr_size = ALIGN((sizeof(*sfr) - sizeof(sfr->diag) + cpuhw->qsi.dsdes) +
+ sizeof(u32), sizeof(u64));
+ sfr_size -= sizeof(u32);
+ sfr = kzalloc(sfr_size, GFP_KERNEL);
+ if (!sfr)
+ return -ENOMEM;
+ sfr->size = sfr_size;
+ sfr->bsdes = cpuhw->qsi.bsdes;
+ sfr->dsdes = cpuhw->qsi.dsdes;
+ RAWSAMPLE_REG(hwc) = (unsigned long) sfr;
+
+ /* Calculate sampling buffers using 4K pages
+ *
+ * 1. Determine the sample data size which depends on the used
+ * sampling functions, for example, basic-sampling or
+ * basic-sampling with diagnostic-sampling.
+ *
+ * 2. Use the sampling frequency as input. The sampling buffer is
+ * designed for almost one second. This can be adjusted through
+ * the "factor" variable.
+ * In any case, alloc_sampling_buffer() sets the Alert Request
+ * Control indicator to trigger a measurement-alert to harvest
+ * sample-data-blocks (sdb).
+ *
+ * 3. Compute the number of sample-data-blocks and ensure a minimum
+ * of CPUM_SF_MIN_SDB. Also ensure the upper limit does not
+ * exceed a "calculated" maximum. The symbolic maximum is
+ * designed for basic-sampling only and needs to be increased if
+ * diagnostic-sampling is active.
+ * See also the remarks for these symbolic constants.
+ *
+ * 4. Compute the number of sample-data-block-tables (SDBT) and
+ * ensure a minimum of CPUM_SF_MIN_SDBT (one table can manage up
+ * to 511 SDBs).
+ */
+ sample_size = event_sample_size(hwc);
+ freq = sample_rate_to_freq(&cpuhw->qsi, SAMPL_RATE(hwc));
+ factor = 1;
+ n_sdb = DIV_ROUND_UP(freq, factor * ((PAGE_SIZE-64) / sample_size));
+ if (n_sdb < CPUM_SF_MIN_SDB)
+ n_sdb = CPUM_SF_MIN_SDB;
+
+ /* If there is already a sampling buffer allocated, it is very likely
+ * that the sampling facility is enabled too. If the event to be
+ * initialized requires a greater sampling buffer, the allocation must
+ * be postponed. Changing the sampling buffer requires the sampling
+ * facility to be in the disabled state. So, account the number of
+ * required SDBs and let cpumsf_pmu_enable() resize the buffer just
+ * before the event is started.
+ */
+ sfb_init_allocs(n_sdb, hwc);
+ if (sf_buffer_available(cpuhw))
+ return 0;
+
+ debug_sprintf_event(sfdbg, 3,
+ "allocate_buffers: rate=%lu f=%lu sdb=%lu/%lu"
+ " sample_size=%lu cpuhw=%p\n",
+ SAMPL_RATE(hwc), freq, n_sdb, sfb_max_limit(hwc),
+ sample_size, cpuhw);
+
+ return alloc_sampling_buffer(&cpuhw->sfb,
+ sfb_pending_allocs(&cpuhw->sfb, hwc));
+}
+
+static unsigned long min_percent(unsigned int percent, unsigned long base,
+ unsigned long min)
+{
+ return min_t(unsigned long, min, DIV_ROUND_UP(percent * base, 100));
+}
+
+static unsigned long compute_sfb_extent(unsigned long ratio, unsigned long base)
+{
+ /* Use a percentage-based approach to extend the sampling facility
+ * buffer. Accept up to 5% sample data loss.
+ * Vary the extents between 1% to 5% of the current number of
+ * sample-data-blocks.
+ */
+ if (ratio <= 5)
+ return 0;
+ if (ratio <= 25)
+ return min_percent(1, base, 1);
+ if (ratio <= 50)
+ return min_percent(1, base, 1);
+ if (ratio <= 75)
+ return min_percent(2, base, 2);
+ if (ratio <= 100)
+ return min_percent(3, base, 3);
+ if (ratio <= 250)
+ return min_percent(4, base, 4);
+
+ return min_percent(5, base, 8);
+}
+
+static void sfb_account_overflows(struct cpu_hw_sf *cpuhw,
+ struct hw_perf_event *hwc)
+{
+ unsigned long ratio, num;
+
+ if (!OVERFLOW_REG(hwc))
+ return;
+
+ /* The sample_overflow contains the average number of sample data
+ * that has been lost because sample-data-blocks were full.
+ *
+ * Calculate the total number of sample data entries that has been
+ * discarded. Then calculate the ratio of lost samples to total samples
+ * per second in percent.
+ */
+ ratio = DIV_ROUND_UP(100 * OVERFLOW_REG(hwc) * cpuhw->sfb.num_sdb,
+ sample_rate_to_freq(&cpuhw->qsi, SAMPL_RATE(hwc)));
+
+ /* Compute number of sample-data-blocks */
+ num = compute_sfb_extent(ratio, cpuhw->sfb.num_sdb);
+ if (num)
+ sfb_account_allocs(num, hwc);
+
+ debug_sprintf_event(sfdbg, 5, "sfb: overflow: overflow=%llu ratio=%lu"
+ " num=%lu\n", OVERFLOW_REG(hwc), ratio, num);
+ OVERFLOW_REG(hwc) = 0;
+}
+
+/* extend_sampling_buffer() - Extend sampling buffer
+ * @sfb: Sampling buffer structure (for local CPU)
+ * @hwc: Perf event hardware structure
+ *
+ * Use this function to extend the sampling buffer based on the overflow counter
+ * and postponed allocation extents stored in the specified Perf event hardware.
+ *
+ * Important: This function disables the sampling facility in order to safely
+ * change the sampling buffer structure. Do not call this function
+ * when the PMU is active.
+ */
+static void extend_sampling_buffer(struct sf_buffer *sfb,
+ struct hw_perf_event *hwc)
+{
+ unsigned long num, num_old;
+ int rc;
+
+ num = sfb_pending_allocs(sfb, hwc);
+ if (!num)
+ return;
+ num_old = sfb->num_sdb;
+
+ /* Disable the sampling facility to reset any states and also
+ * clear pending measurement alerts.
+ */
+ sf_disable();
+
+ /* Extend the sampling buffer.
+ * This memory allocation typically happens in an atomic context when
+ * called by perf. Because this is a reallocation, it is fine if the
+ * new SDB-request cannot be satisfied immediately.
+ */
+ rc = realloc_sampling_buffer(sfb, num, GFP_ATOMIC);
+ if (rc)
+ debug_sprintf_event(sfdbg, 5, "sfb: extend: realloc "
+ "failed with rc=%i\n", rc);
+
+ if (sfb_has_pending_allocs(sfb, hwc))
+ debug_sprintf_event(sfdbg, 5, "sfb: extend: "
+ "req=%lu alloc=%lu remaining=%lu\n",
+ num, sfb->num_sdb - num_old,
+ sfb_pending_allocs(sfb, hwc));
+}
+
+
+/* Number of perf events counting hardware events */
+static atomic_t num_events;
+/* Used to avoid races in calling reserve/release_cpumf_hardware */
+static DEFINE_MUTEX(pmc_reserve_mutex);
+
+#define PMC_INIT 0
+#define PMC_RELEASE 1
+#define PMC_FAILURE 2
+static void setup_pmc_cpu(void *flags)
+{
+ int err;
+ struct cpu_hw_sf *cpusf = &__get_cpu_var(cpu_hw_sf);
+
+ err = 0;
+ switch (*((int *) flags)) {
+ case PMC_INIT:
+ memset(cpusf, 0, sizeof(*cpusf));
+ err = qsi(&cpusf->qsi);
+ if (err)
+ break;
+ cpusf->flags |= PMU_F_RESERVED;
+ err = sf_disable();
+ if (err)
+ pr_err("Switching off the sampling facility failed "
+ "with rc=%i\n", err);
+ debug_sprintf_event(sfdbg, 5,
+ "setup_pmc_cpu: initialized: cpuhw=%p\n", cpusf);
+ break;
+ case PMC_RELEASE:
+ cpusf->flags &= ~PMU_F_RESERVED;
+ err = sf_disable();
+ if (err) {
+ pr_err("Switching off the sampling facility failed "
+ "with rc=%i\n", err);
+ } else
+ deallocate_buffers(cpusf);
+ debug_sprintf_event(sfdbg, 5,
+ "setup_pmc_cpu: released: cpuhw=%p\n", cpusf);
+ break;
+ }
+ if (err)
+ *((int *) flags) |= PMC_FAILURE;
+}
+
+static void release_pmc_hardware(void)
+{
+ int flags = PMC_RELEASE;
+
+ irq_subclass_unregister(IRQ_SUBCLASS_MEASUREMENT_ALERT);
+ on_each_cpu(setup_pmc_cpu, &flags, 1);
+ perf_release_sampling();
+}
+
+static int reserve_pmc_hardware(void)
+{
+ int flags = PMC_INIT;
+ int err;
+
+ err = perf_reserve_sampling();
+ if (err)
+ return err;
+ on_each_cpu(setup_pmc_cpu, &flags, 1);
+ if (flags & PMC_FAILURE) {
+ release_pmc_hardware();
+ return -ENODEV;
+ }
+ irq_subclass_register(IRQ_SUBCLASS_MEASUREMENT_ALERT);
+
+ return 0;
+}
+
+static void hw_perf_event_destroy(struct perf_event *event)
+{
+ /* Free raw sample buffer */
+ if (RAWSAMPLE_REG(&event->hw))
+ kfree((void *) RAWSAMPLE_REG(&event->hw));
+
+ /* Release PMC if this is the last perf event */
+ if (!atomic_add_unless(&num_events, -1, 1)) {
+ mutex_lock(&pmc_reserve_mutex);
+ if (atomic_dec_return(&num_events) == 0)
+ release_pmc_hardware();
+ mutex_unlock(&pmc_reserve_mutex);
+ }
+}
+
+static void hw_init_period(struct hw_perf_event *hwc, u64 period)
+{
+ hwc->sample_period = period;
+ hwc->last_period = hwc->sample_period;
+ local64_set(&hwc->period_left, hwc->sample_period);
+}
+
+static void hw_reset_registers(struct hw_perf_event *hwc,
+ unsigned long *sdbt_origin)
+{
+ struct sf_raw_sample *sfr;
+
+ /* (Re)set to first sample-data-block-table */
+ TEAR_REG(hwc) = (unsigned long) sdbt_origin;
+
+ /* (Re)set raw sampling buffer register */
+ sfr = (struct sf_raw_sample *) RAWSAMPLE_REG(hwc);
+ memset(&sfr->basic, 0, sizeof(sfr->basic));
+ memset(&sfr->diag, 0, sfr->dsdes);
+}
+
+static unsigned long hw_limit_rate(const struct hws_qsi_info_block *si,
+ unsigned long rate)
+{
+ return clamp_t(unsigned long, rate,
+ si->min_sampl_rate, si->max_sampl_rate);
+}
+
+static int __hw_perf_event_init(struct perf_event *event)
+{
+ struct cpu_hw_sf *cpuhw;
+ struct hws_qsi_info_block si;
+ struct perf_event_attr *attr = &event->attr;
+ struct hw_perf_event *hwc = &event->hw;
+ unsigned long rate;
+ int cpu, err;
+
+ /* Reserve CPU-measurement sampling facility */
+ err = 0;
+ if (!atomic_inc_not_zero(&num_events)) {
+ mutex_lock(&pmc_reserve_mutex);
+ if (atomic_read(&num_events) == 0 && reserve_pmc_hardware())
+ err = -EBUSY;
+ else
+ atomic_inc(&num_events);
+ mutex_unlock(&pmc_reserve_mutex);
+ }
+ event->destroy = hw_perf_event_destroy;
+
+ if (err)
+ goto out;
+
+ /* Access per-CPU sampling information (query sampling info) */
+ /*
+ * The event->cpu value can be -1 to count on every CPU, for example,
+ * when attaching to a task. If this is specified, use the query
+ * sampling info from the current CPU, otherwise use event->cpu to
+ * retrieve the per-CPU information.
+ * Later, cpuhw indicates whether to allocate sampling buffers for a
+ * particular CPU (cpuhw!=NULL) or each online CPU (cpuw==NULL).
+ */
+ memset(&si, 0, sizeof(si));
+ cpuhw = NULL;
+ if (event->cpu == -1)
+ qsi(&si);
+ else {
+ /* Event is pinned to a particular CPU, retrieve the per-CPU
+ * sampling structure for accessing the CPU-specific QSI.
+ */
+ cpuhw = &per_cpu(cpu_hw_sf, event->cpu);
+ si = cpuhw->qsi;
+ }
+
+ /* Check sampling facility authorization and, if not authorized,
+ * fall back to other PMUs. It is safe to check any CPU because
+ * the authorization is identical for all configured CPUs.
+ */
+ if (!si.as) {
+ err = -ENOENT;
+ goto out;
+ }
+
+ /* Always enable basic sampling */
+ SAMPL_FLAGS(hwc) = PERF_CPUM_SF_BASIC_MODE;
+
+ /* Check if diagnostic sampling is requested. Deny if the required
+ * sampling authorization is missing.
+ */
+ if (attr->config == PERF_EVENT_CPUM_SF_DIAG) {
+ if (!si.ad) {
+ err = -EPERM;
+ goto out;
+ }
+ SAMPL_FLAGS(hwc) |= PERF_CPUM_SF_DIAG_MODE;
+ }
+
+ /* Check and set other sampling flags */
+ if (attr->config1 & PERF_CPUM_SF_FULL_BLOCKS)
+ SAMPL_FLAGS(hwc) |= PERF_CPUM_SF_FULL_BLOCKS;
+
+ /* The sampling information (si) contains information about the
+ * min/max sampling intervals and the CPU speed. So calculate the
+ * correct sampling interval and avoid the whole period adjust
+ * feedback loop.
+ */
+ rate = 0;
+ if (attr->freq) {
+ rate = freq_to_sample_rate(&si, attr->sample_freq);
+ rate = hw_limit_rate(&si, rate);
+ attr->freq = 0;
+ attr->sample_period = rate;
+ } else {
+ /* The min/max sampling rates specifies the valid range
+ * of sample periods. If the specified sample period is
+ * out of range, limit the period to the range boundary.
+ */
+ rate = hw_limit_rate(&si, hwc->sample_period);
+
+ /* The perf core maintains a maximum sample rate that is
+ * configurable through the sysctl interface. Ensure the
+ * sampling rate does not exceed this value. This also helps
+ * to avoid throttling when pushing samples with
+ * perf_event_overflow().
+ */
+ if (sample_rate_to_freq(&si, rate) >
+ sysctl_perf_event_sample_rate) {
+ err = -EINVAL;
+ debug_sprintf_event(sfdbg, 1, "Sampling rate exceeds maximum perf sample rate\n");
+ goto out;
+ }
+ }
+ SAMPL_RATE(hwc) = rate;
+ hw_init_period(hwc, SAMPL_RATE(hwc));
+
+ /* Initialize sample data overflow accounting */
+ hwc->extra_reg.reg = REG_OVERFLOW;
+ OVERFLOW_REG(hwc) = 0;
+
+ /* Allocate the per-CPU sampling buffer using the CPU information
+ * from the event. If the event is not pinned to a particular
+ * CPU (event->cpu == -1; or cpuhw == NULL), allocate sampling
+ * buffers for each online CPU.
+ */
+ if (cpuhw)
+ /* Event is pinned to a particular CPU */
+ err = allocate_buffers(cpuhw, hwc);
+ else {
+ /* Event is not pinned, allocate sampling buffer on
+ * each online CPU
+ */
+ for_each_online_cpu(cpu) {
+ cpuhw = &per_cpu(cpu_hw_sf, cpu);
+ err = allocate_buffers(cpuhw, hwc);
+ if (err)
+ break;
+ }
+ }
+out:
+ return err;
+}
+
+static int cpumsf_pmu_event_init(struct perf_event *event)
+{
+ int err;
+
+ /* No support for taken branch sampling */
+ if (has_branch_stack(event))
+ return -EOPNOTSUPP;
+
+ switch (event->attr.type) {
+ case PERF_TYPE_RAW:
+ if ((event->attr.config != PERF_EVENT_CPUM_SF) &&
+ (event->attr.config != PERF_EVENT_CPUM_SF_DIAG))
+ return -ENOENT;
+ break;
+ case PERF_TYPE_HARDWARE:
+ /* Support sampling of CPU cycles in addition to the
+ * counter facility. However, the counter facility
+ * is more precise and, hence, restrict this PMU to
+ * sampling events only.
+ */
+ if (event->attr.config != PERF_COUNT_HW_CPU_CYCLES)
+ return -ENOENT;
+ if (!is_sampling_event(event))
+ return -ENOENT;
+ break;
+ default:
+ return -ENOENT;
+ }
+
+ /* Check online status of the CPU to which the event is pinned */
+ if (event->cpu >= nr_cpumask_bits ||
+ (event->cpu >= 0 && !cpu_online(event->cpu)))
+ return -ENODEV;
+
+ /* Force reset of idle/hv excludes regardless of what the
+ * user requested.
+ */
+ if (event->attr.exclude_hv)
+ event->attr.exclude_hv = 0;
+ if (event->attr.exclude_idle)
+ event->attr.exclude_idle = 0;
+
+ err = __hw_perf_event_init(event);
+ if (unlikely(err))
+ if (event->destroy)
+ event->destroy(event);
+ return err;
+}
+
+static void cpumsf_pmu_enable(struct pmu *pmu)
+{
+ struct cpu_hw_sf *cpuhw = &__get_cpu_var(cpu_hw_sf);
+ struct hw_perf_event *hwc;
+ int err;
+
+ if (cpuhw->flags & PMU_F_ENABLED)
+ return;
+
+ if (cpuhw->flags & PMU_F_ERR_MASK)
+ return;
+
+ /* Check whether to extent the sampling buffer.
+ *
+ * Two conditions trigger an increase of the sampling buffer for a
+ * perf event:
+ * 1. Postponed buffer allocations from the event initialization.
+ * 2. Sampling overflows that contribute to pending allocations.
+ *
+ * Note that the extend_sampling_buffer() function disables the sampling
+ * facility, but it can be fully re-enabled using sampling controls that
+ * have been saved in cpumsf_pmu_disable().
+ */
+ if (cpuhw->event) {
+ hwc = &cpuhw->event->hw;
+ /* Account number of overflow-designated buffer extents */
+ sfb_account_overflows(cpuhw, hwc);
+ if (sfb_has_pending_allocs(&cpuhw->sfb, hwc))
+ extend_sampling_buffer(&cpuhw->sfb, hwc);
+ }
+
+ /* (Re)enable the PMU and sampling facility */
+ cpuhw->flags |= PMU_F_ENABLED;
+ barrier();
+
+ err = lsctl(&cpuhw->lsctl);
+ if (err) {
+ cpuhw->flags &= ~PMU_F_ENABLED;
+ pr_err("Loading sampling controls failed: op=%i err=%i\n",
+ 1, err);
+ return;
+ }
+
+ debug_sprintf_event(sfdbg, 6, "pmu_enable: es=%i cs=%i ed=%i cd=%i "
+ "tear=%p dear=%p\n", cpuhw->lsctl.es, cpuhw->lsctl.cs,
+ cpuhw->lsctl.ed, cpuhw->lsctl.cd,
+ (void *) cpuhw->lsctl.tear, (void *) cpuhw->lsctl.dear);
+}
+
+static void cpumsf_pmu_disable(struct pmu *pmu)
+{
+ struct cpu_hw_sf *cpuhw = &__get_cpu_var(cpu_hw_sf);
+ struct hws_lsctl_request_block inactive;
+ struct hws_qsi_info_block si;
+ int err;
+
+ if (!(cpuhw->flags & PMU_F_ENABLED))
+ return;
+
+ if (cpuhw->flags & PMU_F_ERR_MASK)
+ return;
+
+ /* Switch off sampling activation control */
+ inactive = cpuhw->lsctl;
+ inactive.cs = 0;
+ inactive.cd = 0;
+
+ err = lsctl(&inactive);
+ if (err) {
+ pr_err("Loading sampling controls failed: op=%i err=%i\n",
+ 2, err);
+ return;
+ }
+
+ /* Save state of TEAR and DEAR register contents */
+ if (!qsi(&si)) {
+ /* TEAR/DEAR values are valid only if the sampling facility is
+ * enabled. Note that cpumsf_pmu_disable() might be called even
+ * for a disabled sampling facility because cpumsf_pmu_enable()
+ * controls the enable/disable state.
+ */
+ if (si.es) {
+ cpuhw->lsctl.tear = si.tear;
+ cpuhw->lsctl.dear = si.dear;
+ }
+ } else
+ debug_sprintf_event(sfdbg, 3, "cpumsf_pmu_disable: "
+ "qsi() failed with err=%i\n", err);
+
+ cpuhw->flags &= ~PMU_F_ENABLED;
+}
+
+/* perf_exclude_event() - Filter event
+ * @event: The perf event
+ * @regs: pt_regs structure
+ * @sde_regs: Sample-data-entry (sde) regs structure
+ *
+ * Filter perf events according to their exclude specification.
+ *
+ * Return non-zero if the event shall be excluded.
+ */
+static int perf_exclude_event(struct perf_event *event, struct pt_regs *regs,
+ struct perf_sf_sde_regs *sde_regs)
+{
+ if (event->attr.exclude_user && user_mode(regs))
+ return 1;
+ if (event->attr.exclude_kernel && !user_mode(regs))
+ return 1;
+ if (event->attr.exclude_guest && sde_regs->in_guest)
+ return 1;
+ if (event->attr.exclude_host && !sde_regs->in_guest)
+ return 1;
+ return 0;
+}
+
+/* perf_push_sample() - Push samples to perf
+ * @event: The perf event
+ * @sample: Hardware sample data
+ *
+ * Use the hardware sample data to create perf event sample. The sample
+ * is the pushed to the event subsystem and the function checks for
+ * possible event overflows. If an event overflow occurs, the PMU is
+ * stopped.
+ *
+ * Return non-zero if an event overflow occurred.
+ */
+static int perf_push_sample(struct perf_event *event, struct sf_raw_sample *sfr)
+{
+ int overflow;
+ struct pt_regs regs;
+ struct perf_sf_sde_regs *sde_regs;
+ struct perf_sample_data data;
+ struct perf_raw_record raw;
+
+ /* Setup perf sample */
+ perf_sample_data_init(&data, 0, event->hw.last_period);
+ raw.size = sfr->size;
+ raw.data = sfr;
+ data.raw = &raw;
+
+ /* Setup pt_regs to look like an CPU-measurement external interrupt
+ * using the Program Request Alert code. The regs.int_parm_long
+ * field which is unused contains additional sample-data-entry related
+ * indicators.
+ */
+ memset(&regs, 0, sizeof(regs));
+ regs.int_code = 0x1407;
+ regs.int_parm = CPU_MF_INT_SF_PRA;
+ sde_regs = (struct perf_sf_sde_regs *) &regs.int_parm_long;
+
+ regs.psw.addr = sfr->basic.ia;
+ if (sfr->basic.T)
+ regs.psw.mask |= PSW_MASK_DAT;
+ if (sfr->basic.W)
+ regs.psw.mask |= PSW_MASK_WAIT;
+ if (sfr->basic.P)
+ regs.psw.mask |= PSW_MASK_PSTATE;
+ switch (sfr->basic.AS) {
+ case 0x0:
+ regs.psw.mask |= PSW_ASC_PRIMARY;
+ break;
+ case 0x1:
+ regs.psw.mask |= PSW_ASC_ACCREG;
+ break;
+ case 0x2:
+ regs.psw.mask |= PSW_ASC_SECONDARY;
+ break;
+ case 0x3:
+ regs.psw.mask |= PSW_ASC_HOME;
+ break;
+ }
+
+ /* The host-program-parameter (hpp) contains the sie control
+ * block that is set by sie64a() in entry64.S. Check if hpp
+ * refers to a valid control block and set sde_regs flags
+ * accordingly. This would allow to use hpp values for other
+ * purposes too.
+ * For now, simply use a non-zero value as guest indicator.
+ */
+ if (sfr->basic.hpp)
+ sde_regs->in_guest = 1;
+
+ overflow = 0;
+ if (perf_exclude_event(event, &regs, sde_regs))
+ goto out;
+ if (perf_event_overflow(event, &data, &regs)) {
+ overflow = 1;
+ event->pmu->stop(event, 0);
+ }
+ perf_event_update_userpage(event);
+out:
+ return overflow;
+}
+
+static void perf_event_count_update(struct perf_event *event, u64 count)
+{
+ local64_add(count, &event->count);
+}
+
+static int sample_format_is_valid(struct hws_combined_entry *sample,
+ unsigned int flags)
+{
+ if (likely(flags & PERF_CPUM_SF_BASIC_MODE))
+ /* Only basic-sampling data entries with data-entry-format
+ * version of 0x0001 can be processed.
+ */
+ if (sample->basic.def != 0x0001)
+ return 0;
+ if (flags & PERF_CPUM_SF_DIAG_MODE)
+ /* The data-entry-format number of diagnostic-sampling data
+ * entries can vary. Because diagnostic data is just passed
+ * through, do only a sanity check on the DEF.
+ */
+ if (sample->diag.def < 0x8001)
+ return 0;
+ return 1;
+}
+
+static int sample_is_consistent(struct hws_combined_entry *sample,
+ unsigned long flags)
+{
+ /* This check applies only to basic-sampling data entries of potentially
+ * combined-sampling data entries. Invalid entries cannot be processed
+ * by the PMU and, thus, do not deliver an associated
+ * diagnostic-sampling data entry.
+ */
+ if (unlikely(!(flags & PERF_CPUM_SF_BASIC_MODE)))
+ return 0;
+ /*
+ * Samples are skipped, if they are invalid or for which the
+ * instruction address is not predictable, i.e., the wait-state bit is
+ * set.
+ */
+ if (sample->basic.I || sample->basic.W)
+ return 0;
+ return 1;
+}
+
+static void reset_sample_slot(struct hws_combined_entry *sample,
+ unsigned long flags)
+{
+ if (likely(flags & PERF_CPUM_SF_BASIC_MODE))
+ sample->basic.def = 0;
+ if (flags & PERF_CPUM_SF_DIAG_MODE)
+ sample->diag.def = 0;
+}
+
+static void sfr_store_sample(struct sf_raw_sample *sfr,
+ struct hws_combined_entry *sample)
+{
+ if (likely(sfr->format & PERF_CPUM_SF_BASIC_MODE))
+ sfr->basic = sample->basic;
+ if (sfr->format & PERF_CPUM_SF_DIAG_MODE)
+ memcpy(&sfr->diag, &sample->diag, sfr->dsdes);
+}
+
+static void debug_sample_entry(struct hws_combined_entry *sample,
+ struct hws_trailer_entry *te,
+ unsigned long flags)
+{
+ debug_sprintf_event(sfdbg, 4, "hw_collect_samples: Found unknown "
+ "sampling data entry: te->f=%i basic.def=%04x (%p)"
+ " diag.def=%04x (%p)\n", te->f,
+ sample->basic.def, &sample->basic,
+ (flags & PERF_CPUM_SF_DIAG_MODE)
+ ? sample->diag.def : 0xFFFF,
+ (flags & PERF_CPUM_SF_DIAG_MODE)
+ ? &sample->diag : NULL);
+}
+
+/* hw_collect_samples() - Walk through a sample-data-block and collect samples
+ * @event: The perf event
+ * @sdbt: Sample-data-block table
+ * @overflow: Event overflow counter
+ *
+ * Walks through a sample-data-block and collects sampling data entries that are
+ * then pushed to the perf event subsystem. Depending on the sampling function,
+ * there can be either basic-sampling or combined-sampling data entries. A
+ * combined-sampling data entry consists of a basic- and a diagnostic-sampling
+ * data entry. The sampling function is determined by the flags in the perf
+ * event hardware structure. The function always works with a combined-sampling
+ * data entry but ignores the the diagnostic portion if it is not available.
+ *
+ * Note that the implementation focuses on basic-sampling data entries and, if
+ * such an entry is not valid, the entire combined-sampling data entry is
+ * ignored.
+ *
+ * The overflow variables counts the number of samples that has been discarded
+ * due to a perf event overflow.
+ */
+static void hw_collect_samples(struct perf_event *event, unsigned long *sdbt,
+ unsigned long long *overflow)
+{
+ unsigned long flags = SAMPL_FLAGS(&event->hw);
+ struct hws_combined_entry *sample;
+ struct hws_trailer_entry *te;
+ struct sf_raw_sample *sfr;
+ size_t sample_size;
+
+ /* Prepare and initialize raw sample data */
+ sfr = (struct sf_raw_sample *) RAWSAMPLE_REG(&event->hw);
+ sfr->format = flags & PERF_CPUM_SF_MODE_MASK;
+
+ sample_size = event_sample_size(&event->hw);
+ te = (struct hws_trailer_entry *) trailer_entry_ptr(*sdbt);
+ sample = (struct hws_combined_entry *) *sdbt;
+ while ((unsigned long *) sample < (unsigned long *) te) {
+ /* Check for an empty sample */
+ if (!sample->basic.def)
+ break;
+
+ /* Update perf event period */
+ perf_event_count_update(event, SAMPL_RATE(&event->hw));
+
+ /* Check sampling data entry */
+ if (sample_format_is_valid(sample, flags)) {
+ /* If an event overflow occurred, the PMU is stopped to
+ * throttle event delivery. Remaining sample data is
+ * discarded.
+ */
+ if (!*overflow) {
+ if (sample_is_consistent(sample, flags)) {
+ /* Deliver sample data to perf */
+ sfr_store_sample(sfr, sample);
+ *overflow = perf_push_sample(event, sfr);
+ }
+ } else
+ /* Count discarded samples */
+ *overflow += 1;
+ } else {
+ debug_sample_entry(sample, te, flags);
+ /* Sample slot is not yet written or other record.
+ *
+ * This condition can occur if the buffer was reused
+ * from a combined basic- and diagnostic-sampling.
+ * If only basic-sampling is then active, entries are
+ * written into the larger diagnostic entries.
+ * This is typically the case for sample-data-blocks
+ * that are not full. Stop processing if the first
+ * invalid format was detected.
+ */
+ if (!te->f)
+ break;
+ }
+
+ /* Reset sample slot and advance to next sample */
+ reset_sample_slot(sample, flags);
+ sample += sample_size;
+ }
+}
+
+/* hw_perf_event_update() - Process sampling buffer
+ * @event: The perf event
+ * @flush_all: Flag to also flush partially filled sample-data-blocks
+ *
+ * Processes the sampling buffer and create perf event samples.
+ * The sampling buffer position are retrieved and saved in the TEAR_REG
+ * register of the specified perf event.
+ *
+ * Only full sample-data-blocks are processed. Specify the flash_all flag
+ * to also walk through partially filled sample-data-blocks. It is ignored
+ * if PERF_CPUM_SF_FULL_BLOCKS is set. The PERF_CPUM_SF_FULL_BLOCKS flag
+ * enforces the processing of full sample-data-blocks only (trailer entries
+ * with the block-full-indicator bit set).
+ */
+static void hw_perf_event_update(struct perf_event *event, int flush_all)
+{
+ struct hw_perf_event *hwc = &event->hw;
+ struct hws_trailer_entry *te;
+ unsigned long *sdbt;
+ unsigned long long event_overflow, sampl_overflow, num_sdb, te_flags;
+ int done;
+
+ if (flush_all && SDB_FULL_BLOCKS(hwc))
+ flush_all = 0;
+
+ sdbt = (unsigned long *) TEAR_REG(hwc);
+ done = event_overflow = sampl_overflow = num_sdb = 0;
+ while (!done) {
+ /* Get the trailer entry of the sample-data-block */
+ te = (struct hws_trailer_entry *) trailer_entry_ptr(*sdbt);
+
+ /* Leave loop if no more work to do (block full indicator) */
+ if (!te->f) {
+ done = 1;
+ if (!flush_all)
+ break;
+ }
+
+ /* Check the sample overflow count */
+ if (te->overflow)
+ /* Account sample overflows and, if a particular limit
+ * is reached, extend the sampling buffer.
+ * For details, see sfb_account_overflows().
+ */
+ sampl_overflow += te->overflow;
+
+ /* Timestamps are valid for full sample-data-blocks only */
+ debug_sprintf_event(sfdbg, 6, "hw_perf_event_update: sdbt=%p "
+ "overflow=%llu timestamp=0x%llx\n",
+ sdbt, te->overflow,
+ (te->f) ? trailer_timestamp(te) : 0ULL);
+
+ /* Collect all samples from a single sample-data-block and
+ * flag if an (perf) event overflow happened. If so, the PMU
+ * is stopped and remaining samples will be discarded.
+ */
+ hw_collect_samples(event, sdbt, &event_overflow);
+ num_sdb++;
+
+ /* Reset trailer (using compare-double-and-swap) */
+ do {
+ te_flags = te->flags & ~SDB_TE_BUFFER_FULL_MASK;
+ te_flags |= SDB_TE_ALERT_REQ_MASK;
+ } while (!cmpxchg_double(&te->flags, &te->overflow,
+ te->flags, te->overflow,
+ te_flags, 0ULL));
+
+ /* Advance to next sample-data-block */
+ sdbt++;
+ if (is_link_entry(sdbt))
+ sdbt = get_next_sdbt(sdbt);
+
+ /* Update event hardware registers */
+ TEAR_REG(hwc) = (unsigned long) sdbt;
+
+ /* Stop processing sample-data if all samples of the current
+ * sample-data-block were flushed even if it was not full.
+ */
+ if (flush_all && done)
+ break;
+
+ /* If an event overflow happened, discard samples by
+ * processing any remaining sample-data-blocks.
+ */
+ if (event_overflow)
+ flush_all = 1;
+ }
+
+ /* Account sample overflows in the event hardware structure */
+ if (sampl_overflow)
+ OVERFLOW_REG(hwc) = DIV_ROUND_UP(OVERFLOW_REG(hwc) +
+ sampl_overflow, 1 + num_sdb);
+ if (sampl_overflow || event_overflow)
+ debug_sprintf_event(sfdbg, 4, "hw_perf_event_update: "
+ "overflow stats: sample=%llu event=%llu\n",
+ sampl_overflow, event_overflow);
+}
+
+static void cpumsf_pmu_read(struct perf_event *event)
+{
+ /* Nothing to do ... updates are interrupt-driven */
+}
+
+/* Activate sampling control.
+ * Next call of pmu_enable() starts sampling.
+ */
+static void cpumsf_pmu_start(struct perf_event *event, int flags)
+{
+ struct cpu_hw_sf *cpuhw = &__get_cpu_var(cpu_hw_sf);
+
+ if (WARN_ON_ONCE(!(event->hw.state & PERF_HES_STOPPED)))
+ return;
+
+ if (flags & PERF_EF_RELOAD)
+ WARN_ON_ONCE(!(event->hw.state & PERF_HES_UPTODATE));
+
+ perf_pmu_disable(event->pmu);
+ event->hw.state = 0;
+ cpuhw->lsctl.cs = 1;
+ if (SAMPL_DIAG_MODE(&event->hw))
+ cpuhw->lsctl.cd = 1;
+ perf_pmu_enable(event->pmu);
+}
+
+/* Deactivate sampling control.
+ * Next call of pmu_enable() stops sampling.
+ */
+static void cpumsf_pmu_stop(struct perf_event *event, int flags)
+{
+ struct cpu_hw_sf *cpuhw = &__get_cpu_var(cpu_hw_sf);
+
+ if (event->hw.state & PERF_HES_STOPPED)
+ return;
+
+ perf_pmu_disable(event->pmu);
+ cpuhw->lsctl.cs = 0;
+ cpuhw->lsctl.cd = 0;
+ event->hw.state |= PERF_HES_STOPPED;
+
+ if ((flags & PERF_EF_UPDATE) && !(event->hw.state & PERF_HES_UPTODATE)) {
+ hw_perf_event_update(event, 1);
+ event->hw.state |= PERF_HES_UPTODATE;
+ }
+ perf_pmu_enable(event->pmu);
+}
+
+static int cpumsf_pmu_add(struct perf_event *event, int flags)
+{
+ struct cpu_hw_sf *cpuhw = &__get_cpu_var(cpu_hw_sf);
+ int err;
+
+ if (cpuhw->flags & PMU_F_IN_USE)
+ return -EAGAIN;
+
+ if (!cpuhw->sfb.sdbt)
+ return -EINVAL;
+
+ err = 0;
+ perf_pmu_disable(event->pmu);
+
+ event->hw.state = PERF_HES_UPTODATE | PERF_HES_STOPPED;
+
+ /* Set up sampling controls. Always program the sampling register
+ * using the SDB-table start. Reset TEAR_REG event hardware register
+ * that is used by hw_perf_event_update() to store the sampling buffer
+ * position after samples have been flushed.
+ */
+ cpuhw->lsctl.s = 0;
+ cpuhw->lsctl.h = 1;
+ cpuhw->lsctl.tear = (unsigned long) cpuhw->sfb.sdbt;
+ cpuhw->lsctl.dear = *(unsigned long *) cpuhw->sfb.sdbt;
+ cpuhw->lsctl.interval = SAMPL_RATE(&event->hw);
+ hw_reset_registers(&event->hw, cpuhw->sfb.sdbt);
+
+ /* Ensure sampling functions are in the disabled state. If disabled,
+ * switch on sampling enable control. */
+ if (WARN_ON_ONCE(cpuhw->lsctl.es == 1 || cpuhw->lsctl.ed == 1)) {
+ err = -EAGAIN;
+ goto out;
+ }
+ cpuhw->lsctl.es = 1;
+ if (SAMPL_DIAG_MODE(&event->hw))
+ cpuhw->lsctl.ed = 1;
+
+ /* Set in_use flag and store event */
+ event->hw.idx = 0; /* only one sampling event per CPU supported */
+ cpuhw->event = event;
+ cpuhw->flags |= PMU_F_IN_USE;
+
+ if (flags & PERF_EF_START)
+ cpumsf_pmu_start(event, PERF_EF_RELOAD);
+out:
+ perf_event_update_userpage(event);
+ perf_pmu_enable(event->pmu);
+ return err;
+}
+
+static void cpumsf_pmu_del(struct perf_event *event, int flags)
+{
+ struct cpu_hw_sf *cpuhw = &__get_cpu_var(cpu_hw_sf);
+
+ perf_pmu_disable(event->pmu);
+ cpumsf_pmu_stop(event, PERF_EF_UPDATE);
+
+ cpuhw->lsctl.es = 0;
+ cpuhw->lsctl.ed = 0;
+ cpuhw->flags &= ~PMU_F_IN_USE;
+ cpuhw->event = NULL;
+
+ perf_event_update_userpage(event);
+ perf_pmu_enable(event->pmu);
+}
+
+static int cpumsf_pmu_event_idx(struct perf_event *event)
+{
+ return event->hw.idx;
+}
+
+CPUMF_EVENT_ATTR(SF, SF_CYCLES_BASIC, PERF_EVENT_CPUM_SF);
+CPUMF_EVENT_ATTR(SF, SF_CYCLES_BASIC_DIAG, PERF_EVENT_CPUM_SF_DIAG);
+
+static struct attribute *cpumsf_pmu_events_attr[] = {
+ CPUMF_EVENT_PTR(SF, SF_CYCLES_BASIC),
+ CPUMF_EVENT_PTR(SF, SF_CYCLES_BASIC_DIAG),
+ NULL,
+};
+
+PMU_FORMAT_ATTR(event, "config:0-63");
+
+static struct attribute *cpumsf_pmu_format_attr[] = {
+ &format_attr_event.attr,
+ NULL,
+};
+
+static struct attribute_group cpumsf_pmu_events_group = {
+ .name = "events",
+ .attrs = cpumsf_pmu_events_attr,
+};
+static struct attribute_group cpumsf_pmu_format_group = {
+ .name = "format",
+ .attrs = cpumsf_pmu_format_attr,
+};
+static const struct attribute_group *cpumsf_pmu_attr_groups[] = {
+ &cpumsf_pmu_events_group,
+ &cpumsf_pmu_format_group,
+ NULL,
+};
+
+static struct pmu cpumf_sampling = {
+ .pmu_enable = cpumsf_pmu_enable,
+ .pmu_disable = cpumsf_pmu_disable,
+
+ .event_init = cpumsf_pmu_event_init,
+ .add = cpumsf_pmu_add,
+ .del = cpumsf_pmu_del,
+
+ .start = cpumsf_pmu_start,
+ .stop = cpumsf_pmu_stop,
+ .read = cpumsf_pmu_read,
+
+ .event_idx = cpumsf_pmu_event_idx,
+ .attr_groups = cpumsf_pmu_attr_groups,
+};
+
+static void cpumf_measurement_alert(struct ext_code ext_code,
+ unsigned int alert, unsigned long unused)
+{
+ struct cpu_hw_sf *cpuhw;
+
+ if (!(alert & CPU_MF_INT_SF_MASK))
+ return;
+ inc_irq_stat(IRQEXT_CMS);
+ cpuhw = &__get_cpu_var(cpu_hw_sf);
+
+ /* Measurement alerts are shared and might happen when the PMU
+ * is not reserved. Ignore these alerts in this case. */
+ if (!(cpuhw->flags & PMU_F_RESERVED))
+ return;
+
+ /* The processing below must take care of multiple alert events that
+ * might be indicated concurrently. */
+
+ /* Program alert request */
+ if (alert & CPU_MF_INT_SF_PRA) {
+ if (cpuhw->flags & PMU_F_IN_USE)
+ hw_perf_event_update(cpuhw->event, 0);
+ else
+ WARN_ON_ONCE(!(cpuhw->flags & PMU_F_IN_USE));
+ }
+
+ /* Report measurement alerts only for non-PRA codes */
+ if (alert != CPU_MF_INT_SF_PRA)
+ debug_sprintf_event(sfdbg, 6, "measurement alert: 0x%x\n", alert);
+
+ /* Sampling authorization change request */
+ if (alert & CPU_MF_INT_SF_SACA)
+ qsi(&cpuhw->qsi);
+
+ /* Loss of sample data due to high-priority machine activities */
+ if (alert & CPU_MF_INT_SF_LSDA) {
+ pr_err("Sample data was lost\n");
+ cpuhw->flags |= PMU_F_ERR_LSDA;
+ sf_disable();
+ }
+
+ /* Invalid sampling buffer entry */
+ if (alert & (CPU_MF_INT_SF_IAE|CPU_MF_INT_SF_ISE)) {
+ pr_err("A sampling buffer entry is incorrect (alert=0x%x)\n",
+ alert);
+ cpuhw->flags |= PMU_F_ERR_IBE;
+ sf_disable();
+ }
+}
+
+static int cpumf_pmu_notifier(struct notifier_block *self,
+ unsigned long action, void *hcpu)
+{
+ unsigned int cpu = (long) hcpu;
+ int flags;
+
+ /* Ignore the notification if no events are scheduled on the PMU.
+ * This might be racy...
+ */
+ if (!atomic_read(&num_events))
+ return NOTIFY_OK;
+
+ switch (action & ~CPU_TASKS_FROZEN) {
+ case CPU_ONLINE:
+ case CPU_ONLINE_FROZEN:
+ flags = PMC_INIT;
+ smp_call_function_single(cpu, setup_pmc_cpu, &flags, 1);
+ break;
+ case CPU_DOWN_PREPARE:
+ flags = PMC_RELEASE;
+ smp_call_function_single(cpu, setup_pmc_cpu, &flags, 1);
+ break;
+ default:
+ break;
+ }
+
+ return NOTIFY_OK;
+}
+
+static int param_get_sfb_size(char *buffer, const struct kernel_param *kp)
+{
+ if (!cpum_sf_avail())
+ return -ENODEV;
+ return sprintf(buffer, "%lu,%lu", CPUM_SF_MIN_SDB, CPUM_SF_MAX_SDB);
+}
+
+static int param_set_sfb_size(const char *val, const struct kernel_param *kp)
+{
+ int rc;
+ unsigned long min, max;
+
+ if (!cpum_sf_avail())
+ return -ENODEV;
+ if (!val || !strlen(val))
+ return -EINVAL;
+
+ /* Valid parameter values: "min,max" or "max" */
+ min = CPUM_SF_MIN_SDB;
+ max = CPUM_SF_MAX_SDB;
+ if (strchr(val, ','))
+ rc = (sscanf(val, "%lu,%lu", &min, &max) == 2) ? 0 : -EINVAL;
+ else
+ rc = kstrtoul(val, 10, &max);
+
+ if (min < 2 || min >= max || max > get_num_physpages())
+ rc = -EINVAL;
+ if (rc)
+ return rc;
+
+ sfb_set_limits(min, max);
+ pr_info("The sampling buffer limits have changed to: "
+ "min=%lu max=%lu (diag=x%lu)\n",
+ CPUM_SF_MIN_SDB, CPUM_SF_MAX_SDB, CPUM_SF_SDB_DIAG_FACTOR);
+ return 0;
+}
+
+#define param_check_sfb_size(name, p) __param_check(name, p, void)
+static struct kernel_param_ops param_ops_sfb_size = {
+ .set = param_set_sfb_size,
+ .get = param_get_sfb_size,
+};
+
+#define RS_INIT_FAILURE_QSI 0x0001
+#define RS_INIT_FAILURE_BSDES 0x0002
+#define RS_INIT_FAILURE_ALRT 0x0003
+#define RS_INIT_FAILURE_PERF 0x0004
+static void __init pr_cpumsf_err(unsigned int reason)
+{
+ pr_err("Sampling facility support for perf is not available: "
+ "reason=%04x\n", reason);
+}
+
+static int __init init_cpum_sampling_pmu(void)
+{
+ struct hws_qsi_info_block si;
+ int err;
+
+ if (!cpum_sf_avail())
+ return -ENODEV;
+
+ memset(&si, 0, sizeof(si));
+ if (qsi(&si)) {
+ pr_cpumsf_err(RS_INIT_FAILURE_QSI);
+ return -ENODEV;
+ }
+
+ if (si.bsdes != sizeof(struct hws_basic_entry)) {
+ pr_cpumsf_err(RS_INIT_FAILURE_BSDES);
+ return -EINVAL;
+ }
+
+ if (si.ad)
+ sfb_set_limits(CPUM_SF_MIN_SDB, CPUM_SF_MAX_SDB);
+
+ sfdbg = debug_register(KMSG_COMPONENT, 2, 1, 80);
+ if (!sfdbg)
+ pr_err("Registering for s390dbf failed\n");
+ debug_register_view(sfdbg, &debug_sprintf_view);
+
+ err = register_external_interrupt(0x1407, cpumf_measurement_alert);
+ if (err) {
+ pr_cpumsf_err(RS_INIT_FAILURE_ALRT);
+ goto out;
+ }
+
+ err = perf_pmu_register(&cpumf_sampling, "cpum_sf", PERF_TYPE_RAW);
+ if (err) {
+ pr_cpumsf_err(RS_INIT_FAILURE_PERF);
+ unregister_external_interrupt(0x1407, cpumf_measurement_alert);
+ goto out;
+ }
+ perf_cpu_notifier(cpumf_pmu_notifier);
+out:
+ return err;
+}
+arch_initcall(init_cpum_sampling_pmu);
+core_param(cpum_sfb_size, CPUM_SF_MAX_SDB, sfb_size, 0640);
diff --git a/arch/s390/kernel/perf_event.c b/arch/s390/kernel/perf_event.c
index 2343c218b8f..5d2dfa31c4e 100644
--- a/arch/s390/kernel/perf_event.c
+++ b/arch/s390/kernel/perf_event.c
@@ -1,7 +1,7 @@
/*
* Performance event support for s390x
*
- * Copyright IBM Corp. 2012
+ * Copyright IBM Corp. 2012, 2013
* Author(s): Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
*
* This program is free software; you can redistribute it and/or modify
@@ -16,15 +16,19 @@
#include <linux/kvm_host.h>
#include <linux/percpu.h>
#include <linux/export.h>
+#include <linux/seq_file.h>
+#include <linux/spinlock.h>
+#include <linux/sysfs.h>
#include <asm/irq.h>
#include <asm/cpu_mf.h>
#include <asm/lowcore.h>
#include <asm/processor.h>
+#include <asm/sysinfo.h>
const char *perf_pmu_name(void)
{
if (cpum_cf_avail() || cpum_sf_avail())
- return "CPU-measurement facilities (CPUMF)";
+ return "CPU-Measurement Facilities (CPU-MF)";
return "pmu";
}
EXPORT_SYMBOL(perf_pmu_name);
@@ -35,6 +39,8 @@ int perf_num_counters(void)
if (cpum_cf_avail())
num += PERF_CPUM_CF_MAX_CTR;
+ if (cpum_sf_avail())
+ num += PERF_CPUM_SF_MAX_CTR;
return num;
}
@@ -54,7 +60,7 @@ static bool is_in_guest(struct pt_regs *regs)
{
if (user_mode(regs))
return false;
-#if defined(CONFIG_KVM) || defined(CONFIG_KVM_MODULE)
+#if IS_ENABLED(CONFIG_KVM)
return instruction_pointer(regs) == (unsigned long) &sie_exit;
#else
return false;
@@ -83,8 +89,31 @@ static unsigned long perf_misc_guest_flags(struct pt_regs *regs)
: PERF_RECORD_MISC_GUEST_KERNEL;
}
+static unsigned long perf_misc_flags_sf(struct pt_regs *regs)
+{
+ struct perf_sf_sde_regs *sde_regs;
+ unsigned long flags;
+
+ sde_regs = (struct perf_sf_sde_regs *) &regs->int_parm_long;
+ if (sde_regs->in_guest)
+ flags = user_mode(regs) ? PERF_RECORD_MISC_GUEST_USER
+ : PERF_RECORD_MISC_GUEST_KERNEL;
+ else
+ flags = user_mode(regs) ? PERF_RECORD_MISC_USER
+ : PERF_RECORD_MISC_KERNEL;
+ return flags;
+}
+
unsigned long perf_misc_flags(struct pt_regs *regs)
{
+ /* Check if the cpum_sf PMU has created the pt_regs structure.
+ * In this case, perf misc flags can be easily extracted. Otherwise,
+ * do regular checks on the pt_regs content.
+ */
+ if (regs->int_code == 0x1407 && regs->int_parm == CPU_MF_INT_SF_PRA)
+ if (!regs->gprs[15])
+ return perf_misc_flags_sf(regs);
+
if (is_in_guest(regs))
return perf_misc_guest_flags(regs);
@@ -92,27 +121,107 @@ unsigned long perf_misc_flags(struct pt_regs *regs)
: PERF_RECORD_MISC_KERNEL;
}
-void perf_event_print_debug(void)
+void print_debug_cf(void)
{
struct cpumf_ctr_info cf_info;
- unsigned long flags;
- int cpu;
-
- if (!cpum_cf_avail())
- return;
-
- local_irq_save(flags);
+ int cpu = smp_processor_id();
- cpu = smp_processor_id();
memset(&cf_info, 0, sizeof(cf_info));
if (!qctri(&cf_info))
pr_info("CPU[%i] CPUM_CF: ver=%u.%u A=%04x E=%04x C=%04x\n",
cpu, cf_info.cfvn, cf_info.csvn,
cf_info.auth_ctl, cf_info.enable_ctl, cf_info.act_ctl);
+}
+
+static void print_debug_sf(void)
+{
+ struct hws_qsi_info_block si;
+ int cpu = smp_processor_id();
+ memset(&si, 0, sizeof(si));
+ if (qsi(&si))
+ return;
+
+ pr_info("CPU[%i] CPUM_SF: basic=%i diag=%i min=%lu max=%lu cpu_speed=%u\n",
+ cpu, si.as, si.ad, si.min_sampl_rate, si.max_sampl_rate,
+ si.cpu_speed);
+
+ if (si.as)
+ pr_info("CPU[%i] CPUM_SF: Basic-sampling: a=%i e=%i c=%i"
+ " bsdes=%i tear=%016lx dear=%016lx\n", cpu,
+ si.as, si.es, si.cs, si.bsdes, si.tear, si.dear);
+ if (si.ad)
+ pr_info("CPU[%i] CPUM_SF: Diagnostic-sampling: a=%i e=%i c=%i"
+ " dsdes=%i tear=%016lx dear=%016lx\n", cpu,
+ si.ad, si.ed, si.cd, si.dsdes, si.tear, si.dear);
+}
+
+void perf_event_print_debug(void)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+ if (cpum_cf_avail())
+ print_debug_cf();
+ if (cpum_sf_avail())
+ print_debug_sf();
local_irq_restore(flags);
}
+/* Service level infrastructure */
+static void sl_print_counter(struct seq_file *m)
+{
+ struct cpumf_ctr_info ci;
+
+ memset(&ci, 0, sizeof(ci));
+ if (qctri(&ci))
+ return;
+
+ seq_printf(m, "CPU-MF: Counter facility: version=%u.%u "
+ "authorization=%04x\n", ci.cfvn, ci.csvn, ci.auth_ctl);
+}
+
+static void sl_print_sampling(struct seq_file *m)
+{
+ struct hws_qsi_info_block si;
+
+ memset(&si, 0, sizeof(si));
+ if (qsi(&si))
+ return;
+
+ if (!si.as && !si.ad)
+ return;
+
+ seq_printf(m, "CPU-MF: Sampling facility: min_rate=%lu max_rate=%lu"
+ " cpu_speed=%u\n", si.min_sampl_rate, si.max_sampl_rate,
+ si.cpu_speed);
+ if (si.as)
+ seq_printf(m, "CPU-MF: Sampling facility: mode=basic"
+ " sample_size=%u\n", si.bsdes);
+ if (si.ad)
+ seq_printf(m, "CPU-MF: Sampling facility: mode=diagnostic"
+ " sample_size=%u\n", si.dsdes);
+}
+
+static void service_level_perf_print(struct seq_file *m,
+ struct service_level *sl)
+{
+ if (cpum_cf_avail())
+ sl_print_counter(m);
+ if (cpum_sf_avail())
+ sl_print_sampling(m);
+}
+
+static struct service_level service_level_perf = {
+ .seq_print = service_level_perf_print,
+};
+
+static int __init service_level_perf_register(void)
+{
+ return register_service_level(&service_level_perf);
+}
+arch_initcall(service_level_perf_register);
+
/* See also arch/s390/kernel/traps.c */
static unsigned long __store_trace(struct perf_callchain_entry *entry,
unsigned long sp,
@@ -172,3 +281,44 @@ void perf_callchain_kernel(struct perf_callchain_entry *entry,
__store_trace(entry, head, S390_lowcore.thread_info,
S390_lowcore.thread_info + THREAD_SIZE);
}
+
+/* Perf defintions for PMU event attributes in sysfs */
+ssize_t cpumf_events_sysfs_show(struct device *dev,
+ struct device_attribute *attr, char *page)
+{
+ struct perf_pmu_events_attr *pmu_attr;
+
+ pmu_attr = container_of(attr, struct perf_pmu_events_attr, attr);
+ return sprintf(page, "event=0x%04llx,name=%s\n",
+ pmu_attr->id, attr->attr.name);
+}
+
+/* Reserve/release functions for sharing perf hardware */
+static DEFINE_SPINLOCK(perf_hw_owner_lock);
+static void *perf_sampling_owner;
+
+int perf_reserve_sampling(void)
+{
+ int err;
+
+ err = 0;
+ spin_lock(&perf_hw_owner_lock);
+ if (perf_sampling_owner) {
+ pr_warn("The sampling facility is already reserved by %p\n",
+ perf_sampling_owner);
+ err = -EBUSY;
+ } else
+ perf_sampling_owner = __builtin_return_address(0);
+ spin_unlock(&perf_hw_owner_lock);
+ return err;
+}
+EXPORT_SYMBOL(perf_reserve_sampling);
+
+void perf_release_sampling(void)
+{
+ spin_lock(&perf_hw_owner_lock);
+ WARN_ON(!perf_sampling_owner);
+ perf_sampling_owner = NULL;
+ spin_unlock(&perf_hw_owner_lock);
+}
+EXPORT_SYMBOL(perf_release_sampling);
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index 7ed0d4e2a43..dd145321d21 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -261,20 +261,18 @@ static inline unsigned long brk_rnd(void)
unsigned long arch_randomize_brk(struct mm_struct *mm)
{
- unsigned long ret = PAGE_ALIGN(mm->brk + brk_rnd());
+ unsigned long ret;
- if (ret < mm->brk)
- return mm->brk;
- return ret;
+ ret = PAGE_ALIGN(mm->brk + brk_rnd());
+ return (ret > mm->brk) ? ret : mm->brk;
}
unsigned long randomize_et_dyn(unsigned long base)
{
- unsigned long ret = PAGE_ALIGN(base + brk_rnd());
+ unsigned long ret;
if (!(current->flags & PF_RANDOMIZE))
return base;
- if (ret < base)
- return base;
- return ret;
+ ret = PAGE_ALIGN(base + brk_rnd());
+ return (ret > base) ? ret : base;
}
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index e65c91c591e..f6be6087a0e 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -56,25 +56,26 @@ void update_cr_regs(struct task_struct *task)
#ifdef CONFIG_64BIT
/* Take care of the enable/disable of transactional execution. */
if (MACHINE_HAS_TE) {
- unsigned long cr[3], cr_new[3];
+ unsigned long cr, cr_new;
- __ctl_store(cr, 0, 2);
- cr_new[1] = cr[1];
+ __ctl_store(cr, 0, 0);
/* Set or clear transaction execution TXC bit 8. */
+ cr_new = cr | (1UL << 55);
if (task->thread.per_flags & PER_FLAG_NO_TE)
- cr_new[0] = cr[0] & ~(1UL << 55);
- else
- cr_new[0] = cr[0] | (1UL << 55);
+ cr_new &= ~(1UL << 55);
+ if (cr_new != cr)
+ __ctl_load(cr, 0, 0);
/* Set or clear transaction execution TDC bits 62 and 63. */
- cr_new[2] = cr[2] & ~3UL;
+ __ctl_store(cr, 2, 2);
+ cr_new = cr & ~3UL;
if (task->thread.per_flags & PER_FLAG_TE_ABORT_RAND) {
if (task->thread.per_flags & PER_FLAG_TE_ABORT_RAND_TEND)
- cr_new[2] |= 1UL;
+ cr_new |= 1UL;
else
- cr_new[2] |= 2UL;
+ cr_new |= 2UL;
}
- if (memcmp(&cr_new, &cr, sizeof(cr)))
- __ctl_load(cr_new, 0, 2);
+ if (cr_new != cr)
+ __ctl_load(cr_new, 2, 2);
}
#endif
/* Copy user specified PER registers */
@@ -107,15 +108,11 @@ void update_cr_regs(struct task_struct *task)
void user_enable_single_step(struct task_struct *task)
{
set_tsk_thread_flag(task, TIF_SINGLE_STEP);
- if (task == current)
- update_cr_regs(task);
}
void user_disable_single_step(struct task_struct *task)
{
clear_tsk_thread_flag(task, TIF_SINGLE_STEP);
- if (task == current)
- update_cr_regs(task);
}
/*
diff --git a/arch/s390/kernel/s390_ksyms.c b/arch/s390/kernel/s390_ksyms.c
index 3bac589844a..9f60467938d 100644
--- a/arch/s390/kernel/s390_ksyms.c
+++ b/arch/s390/kernel/s390_ksyms.c
@@ -5,7 +5,7 @@
#ifdef CONFIG_FUNCTION_TRACER
EXPORT_SYMBOL(_mcount);
#endif
-#if defined(CONFIG_KVM) || defined(CONFIG_KVM_MODULE)
+#if IS_ENABLED(CONFIG_KVM)
EXPORT_SYMBOL(sie64a);
EXPORT_SYMBOL(sie_exit);
#endif
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 4444875266e..09e2f468f48 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -373,7 +373,7 @@ static void __init setup_lowcore(void)
/*
* Set up PSW restart to call ipl.c:do_restart(). Copy the relevant
- * restart data to the absolute zero lowcore. This is necesary if
+ * restart data to the absolute zero lowcore. This is necessary if
* PSW restart is done on an offline CPU that has lowcore zero.
*/
lc->restart_stack = (unsigned long) restart_stack;
@@ -1023,6 +1023,7 @@ void __init setup_arch(char **cmdline_p)
setup_vmcoreinfo();
setup_lowcore();
+ smp_fill_possible_mask();
cpu_init();
s390_init_cpu_topology();
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index dc4a5346506..a7125b62a9a 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -59,7 +59,7 @@ enum {
};
struct pcpu {
- struct cpu cpu;
+ struct cpu *cpu;
struct _lowcore *lowcore; /* lowcore page(s) for the cpu */
unsigned long async_stack; /* async stack for the cpu */
unsigned long panic_stack; /* panic stack for the cpu */
@@ -159,9 +159,9 @@ static void pcpu_ec_call(struct pcpu *pcpu, int ec_bit)
{
int order;
- set_bit(ec_bit, &pcpu->ec_mask);
- order = pcpu_running(pcpu) ?
- SIGP_EXTERNAL_CALL : SIGP_EMERGENCY_SIGNAL;
+ if (test_and_set_bit(ec_bit, &pcpu->ec_mask))
+ return;
+ order = pcpu_running(pcpu) ? SIGP_EXTERNAL_CALL : SIGP_EMERGENCY_SIGNAL;
pcpu_sigp_retry(pcpu, order, 0);
}
@@ -721,18 +721,14 @@ int __cpu_up(unsigned int cpu, struct task_struct *tidle)
return 0;
}
-static int __init setup_possible_cpus(char *s)
-{
- int max, cpu;
+static unsigned int setup_possible_cpus __initdata;
- if (kstrtoint(s, 0, &max) < 0)
- return 0;
- init_cpu_possible(cpumask_of(0));
- for (cpu = 1; cpu < max && cpu < nr_cpu_ids; cpu++)
- set_cpu_possible(cpu, true);
+static int __init _setup_possible_cpus(char *s)
+{
+ get_option(&s, &setup_possible_cpus);
return 0;
}
-early_param("possible_cpus", setup_possible_cpus);
+early_param("possible_cpus", _setup_possible_cpus);
#ifdef CONFIG_HOTPLUG_CPU
@@ -775,6 +771,17 @@ void __noreturn cpu_die(void)
#endif /* CONFIG_HOTPLUG_CPU */
+void __init smp_fill_possible_mask(void)
+{
+ unsigned int possible, cpu;
+
+ possible = setup_possible_cpus;
+ if (!possible)
+ possible = MACHINE_IS_VM ? 64 : nr_cpu_ids;
+ for (cpu = 0; cpu < possible && cpu < nr_cpu_ids; cpu++)
+ set_cpu_possible(cpu, true);
+}
+
void __init smp_prepare_cpus(unsigned int max_cpus)
{
/* request the 0x1201 emergency signal external interrupt */
@@ -958,7 +965,7 @@ static int smp_cpu_notify(struct notifier_block *self, unsigned long action,
void *hcpu)
{
unsigned int cpu = (unsigned int)(long)hcpu;
- struct cpu *c = &pcpu_devices[cpu].cpu;
+ struct cpu *c = pcpu_devices[cpu].cpu;
struct device *s = &c->dev;
int err = 0;
@@ -975,10 +982,15 @@ static int smp_cpu_notify(struct notifier_block *self, unsigned long action,
static int smp_add_present_cpu(int cpu)
{
- struct cpu *c = &pcpu_devices[cpu].cpu;
- struct device *s = &c->dev;
+ struct device *s;
+ struct cpu *c;
int rc;
+ c = kzalloc(sizeof(*c), GFP_KERNEL);
+ if (!c)
+ return -ENOMEM;
+ pcpu_devices[cpu].cpu = c;
+ s = &c->dev;
c->hotpluggable = 1;
rc = register_cpu(c, cpu);
if (rc)
diff --git a/arch/s390/kernel/vdso.c b/arch/s390/kernel/vdso.c
index a84476f2a9b..61364909678 100644
--- a/arch/s390/kernel/vdso.c
+++ b/arch/s390/kernel/vdso.c
@@ -125,7 +125,7 @@ int vdso_alloc_per_cpu(struct _lowcore *lowcore)
psal[i] = 0x80000000;
lowcore->paste[4] = (u32)(addr_t) psal;
- psal[0] = 0x20000000;
+ psal[0] = 0x02000000;
psal[2] = (u32)(addr_t) aste;
*(unsigned long *) (aste + 2) = segment_table +
_ASCE_TABLE_LENGTH + _ASCE_USER_BITS + _ASCE_TYPE_SEGMENT;
diff --git a/arch/s390/kernel/vdso32/clock_gettime.S b/arch/s390/kernel/vdso32/clock_gettime.S
index 5be8e472f57..65fc3979c2f 100644
--- a/arch/s390/kernel/vdso32/clock_gettime.S
+++ b/arch/s390/kernel/vdso32/clock_gettime.S
@@ -46,18 +46,13 @@ __kernel_clock_gettime:
jnm 3f
a %r0,__VDSO_TK_MULT(%r5)
3: alr %r0,%r2
- al %r0,__VDSO_XTIME_NSEC(%r5) /* + tk->xtime_nsec */
- al %r1,__VDSO_XTIME_NSEC+4(%r5)
- brc 12,4f
- ahi %r0,1
-4: al %r0,__VDSO_WTOM_NSEC(%r5) /* + wall_to_monotonic.nsec */
+ al %r0,__VDSO_WTOM_NSEC(%r5)
al %r1,__VDSO_WTOM_NSEC+4(%r5)
brc 12,5f
ahi %r0,1
5: l %r2,__VDSO_TK_SHIFT(%r5) /* Timekeeper shift */
srdl %r0,0(%r2) /* >> tk->shift */
- l %r2,__VDSO_XTIME_SEC+4(%r5)
- al %r2,__VDSO_WTOM_SEC+4(%r5)
+ l %r2,__VDSO_WTOM_SEC+4(%r5)
cl %r4,__VDSO_UPD_COUNT+4(%r5) /* check update counter */
jne 1b
basr %r5,0
diff --git a/arch/s390/kernel/vdso64/clock_getres.S b/arch/s390/kernel/vdso64/clock_getres.S
index 176e1f75f9a..34deba7c7ed 100644
--- a/arch/s390/kernel/vdso64/clock_getres.S
+++ b/arch/s390/kernel/vdso64/clock_getres.S
@@ -23,7 +23,9 @@ __kernel_clock_getres:
je 0f
cghi %r2,__CLOCK_MONOTONIC
je 0f
- cghi %r2,-2 /* CLOCK_THREAD_CPUTIME_ID for this thread */
+ cghi %r2,__CLOCK_THREAD_CPUTIME_ID
+ je 0f
+ cghi %r2,-2 /* Per-thread CPUCLOCK with PID=0, VIRT=1 */
jne 2f
larl %r5,_vdso_data
icm %r0,15,__LC_ECTG_OK(%r5)
diff --git a/arch/s390/kernel/vdso64/clock_gettime.S b/arch/s390/kernel/vdso64/clock_gettime.S
index 0add1072ba3..91940ed33a4 100644
--- a/arch/s390/kernel/vdso64/clock_gettime.S
+++ b/arch/s390/kernel/vdso64/clock_gettime.S
@@ -22,7 +22,9 @@ __kernel_clock_gettime:
larl %r5,_vdso_data
cghi %r2,__CLOCK_REALTIME
je 4f
- cghi %r2,-2 /* CLOCK_THREAD_CPUTIME_ID for this thread */
+ cghi %r2,__CLOCK_THREAD_CPUTIME_ID
+ je 9f
+ cghi %r2,-2 /* Per-thread CPUCLOCK with PID=0, VIRT=1 */
je 9f
cghi %r2,__CLOCK_MONOTONIC
jne 12f
@@ -35,13 +37,11 @@ __kernel_clock_gettime:
jnz 0b
stck 48(%r15) /* Store TOD clock */
lgf %r2,__VDSO_TK_SHIFT(%r5) /* Timekeeper shift */
- lg %r0,__VDSO_XTIME_SEC(%r5) /* tk->xtime_sec */
- alg %r0,__VDSO_WTOM_SEC(%r5) /* + wall_to_monotonic.sec */
+ lg %r0,__VDSO_WTOM_SEC(%r5)
lg %r1,48(%r15)
sg %r1,__VDSO_XTIME_STAMP(%r5) /* TOD - cycle_last */
msgf %r1,__VDSO_TK_MULT(%r5) /* * tk->mult */
- alg %r1,__VDSO_XTIME_NSEC(%r5) /* + tk->xtime_nsec */
- alg %r1,__VDSO_WTOM_NSEC(%r5) /* + wall_to_monotonic.nsec */
+ alg %r1,__VDSO_WTOM_NSEC(%r5)
srlg %r1,%r1,0(%r2) /* >> tk->shift */
clg %r4,__VDSO_UPD_COUNT(%r5) /* check update counter */
jne 0b
diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c
index 05537ab2238..75beea632a1 100644
--- a/arch/s390/kvm/priv.c
+++ b/arch/s390/kvm/priv.c
@@ -275,7 +275,7 @@ static int handle_io_inst(struct kvm_vcpu *vcpu)
return -EOPNOTSUPP;
} else {
/*
- * Set condition code 3 to stop the guest from issueing channel
+ * Set condition code 3 to stop the guest from issuing channel
* I/O instructions.
*/
kvm_s390_set_psw_cc(vcpu, 3);
diff --git a/arch/s390/lib/uaccess_pt.c b/arch/s390/lib/uaccess_pt.c
index dbdab3e7a1a..0632dc50da7 100644
--- a/arch/s390/lib/uaccess_pt.c
+++ b/arch/s390/lib/uaccess_pt.c
@@ -74,8 +74,8 @@ static size_t copy_in_kernel(size_t count, void __user *to,
/*
* Returns kernel address for user virtual address. If the returned address is
- * >= -4095 (IS_ERR_VALUE(x) returns true), a fault has occured and the address
- * contains the (negative) exception code.
+ * >= -4095 (IS_ERR_VALUE(x) returns true), a fault has occurred and the
+ * address contains the (negative) exception code.
*/
#ifdef CONFIG_64BIT
diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c
index e794c88f699..3584ed9b20a 100644
--- a/arch/s390/mm/pgtable.c
+++ b/arch/s390/mm/pgtable.c
@@ -293,7 +293,7 @@ static int gmap_alloc_table(struct gmap *gmap,
* @addr: address in the guest address space
* @len: length of the memory area to unmap
*
- * Returns 0 if the unmap succeded, -EINVAL if not.
+ * Returns 0 if the unmap succeeded, -EINVAL if not.
*/
int gmap_unmap_segment(struct gmap *gmap, unsigned long to, unsigned long len)
{
@@ -344,7 +344,7 @@ EXPORT_SYMBOL_GPL(gmap_unmap_segment);
* @from: source address in the parent address space
* @to: target address in the guest address space
*
- * Returns 0 if the mmap succeded, -EINVAL or -ENOMEM if not.
+ * Returns 0 if the mmap succeeded, -EINVAL or -ENOMEM if not.
*/
int gmap_map_segment(struct gmap *gmap, unsigned long from,
unsigned long to, unsigned long len)
diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
index 16871da3737..708d60e4006 100644
--- a/arch/s390/net/bpf_jit_comp.c
+++ b/arch/s390/net/bpf_jit_comp.c
@@ -368,14 +368,16 @@ static int bpf_jit_insn(struct bpf_jit *jit, struct sock_filter *filter,
EMIT4_PCREL(0xa7840000, (jit->ret0_ip - jit->prg));
/* lhi %r4,0 */
EMIT4(0xa7480000);
- /* dr %r4,%r12 */
- EMIT2(0x1d4c);
+ /* dlr %r4,%r12 */
+ EMIT4(0xb997004c);
break;
- case BPF_S_ALU_DIV_K: /* A = reciprocal_divide(A, K) */
- /* m %r4,<d(K)>(%r13) */
- EMIT4_DISP(0x5c40d000, EMIT_CONST(K));
- /* lr %r5,%r4 */
- EMIT2(0x1854);
+ case BPF_S_ALU_DIV_K: /* A /= K */
+ if (K == 1)
+ break;
+ /* lhi %r4,0 */
+ EMIT4(0xa7480000);
+ /* dl %r4,<d(K)>(%r13) */
+ EMIT6_DISP(0xe340d000, 0x0097, EMIT_CONST(K));
break;
case BPF_S_ALU_MOD_X: /* A %= X */
jit->seen |= SEEN_XREG | SEEN_RET0;
@@ -385,16 +387,21 @@ static int bpf_jit_insn(struct bpf_jit *jit, struct sock_filter *filter,
EMIT4_PCREL(0xa7840000, (jit->ret0_ip - jit->prg));
/* lhi %r4,0 */
EMIT4(0xa7480000);
- /* dr %r4,%r12 */
- EMIT2(0x1d4c);
+ /* dlr %r4,%r12 */
+ EMIT4(0xb997004c);
/* lr %r5,%r4 */
EMIT2(0x1854);
break;
case BPF_S_ALU_MOD_K: /* A %= K */
+ if (K == 1) {
+ /* lhi %r5,0 */
+ EMIT4(0xa7580000);
+ break;
+ }
/* lhi %r4,0 */
EMIT4(0xa7480000);
- /* d %r4,<d(K)>(%r13) */
- EMIT4_DISP(0x5d40d000, EMIT_CONST(K));
+ /* dl %r4,<d(K)>(%r13) */
+ EMIT6_DISP(0xe340d000, 0x0097, EMIT_CONST(K));
/* lr %r5,%r4 */
EMIT2(0x1854);
break;
diff --git a/arch/s390/oprofile/hwsampler.c b/arch/s390/oprofile/hwsampler.c
index 231cecafc2f..a32c96761ea 100644
--- a/arch/s390/oprofile/hwsampler.c
+++ b/arch/s390/oprofile/hwsampler.c
@@ -26,9 +26,6 @@
#define MAX_NUM_SDB 511
#define MIN_NUM_SDB 1
-#define ALERT_REQ_MASK 0x4000000000000000ul
-#define BUFFER_FULL_MASK 0x8000000000000000ul
-
DECLARE_PER_CPU(struct hws_cpu_buffer, sampler_cpu_buffer);
struct hws_execute_parms {
@@ -44,6 +41,7 @@ static DEFINE_MUTEX(hws_sem_oom);
static unsigned char hws_flush_all;
static unsigned int hws_oom;
+static unsigned int hws_alert;
static struct workqueue_struct *hws_wq;
static unsigned int hws_state;
@@ -65,43 +63,6 @@ static unsigned long interval;
static unsigned long min_sampler_rate;
static unsigned long max_sampler_rate;
-static int ssctl(void *buffer)
-{
- int cc;
-
- /* set in order to detect a program check */
- cc = 1;
-
- asm volatile(
- "0: .insn s,0xB2870000,0(%1)\n"
- "1: ipm %0\n"
- " srl %0,28\n"
- "2:\n"
- EX_TABLE(0b, 2b) EX_TABLE(1b, 2b)
- : "+d" (cc), "+a" (buffer)
- : "m" (*((struct hws_ssctl_request_block *)buffer))
- : "cc", "memory");
-
- return cc ? -EINVAL : 0 ;
-}
-
-static int qsi(void *buffer)
-{
- int cc;
- cc = 1;
-
- asm volatile(
- "0: .insn s,0xB2860000,0(%1)\n"
- "1: lhi %0,0\n"
- "2:\n"
- EX_TABLE(0b, 2b) EX_TABLE(1b, 2b)
- : "=d" (cc), "+a" (buffer)
- : "m" (*((struct hws_qsi_info_block *)buffer))
- : "cc", "memory");
-
- return cc ? -EINVAL : 0;
-}
-
static void execute_qsi(void *parms)
{
struct hws_execute_parms *ep = parms;
@@ -113,7 +74,7 @@ static void execute_ssctl(void *parms)
{
struct hws_execute_parms *ep = parms;
- ep->rc = ssctl(ep->buffer);
+ ep->rc = lsctl(ep->buffer);
}
static int smp_ctl_ssctl_stop(int cpu)
@@ -214,17 +175,6 @@ static int smp_ctl_qsi(int cpu)
return ep.rc;
}
-static inline unsigned long *trailer_entry_ptr(unsigned long v)
-{
- void *ret;
-
- ret = (void *)v;
- ret += PAGE_SIZE;
- ret -= sizeof(struct hws_trailer_entry);
-
- return (unsigned long *) ret;
-}
-
static void hws_ext_handler(struct ext_code ext_code,
unsigned int param32, unsigned long param64)
{
@@ -233,6 +183,9 @@ static void hws_ext_handler(struct ext_code ext_code,
if (!(param32 & CPU_MF_INT_SF_MASK))
return;
+ if (!hws_alert)
+ return;
+
inc_irq_stat(IRQEXT_CMS);
atomic_xchg(&cb->ext_params, atomic_read(&cb->ext_params) | param32);
@@ -256,16 +209,6 @@ static void init_all_cpu_buffers(void)
}
}
-static int is_link_entry(unsigned long *s)
-{
- return *s & 0x1ul ? 1 : 0;
-}
-
-static unsigned long *get_next_sdbt(unsigned long *s)
-{
- return (unsigned long *) (*s & ~0x1ul);
-}
-
static int prepare_cpu_buffers(void)
{
int cpu;
@@ -353,7 +296,7 @@ static int allocate_sdbt(int cpu)
}
*sdbt = sdb;
trailer = trailer_entry_ptr(*sdbt);
- *trailer = ALERT_REQ_MASK;
+ *trailer = SDB_TE_ALERT_REQ_MASK;
sdbt++;
mutex_unlock(&hws_sem_oom);
}
@@ -829,7 +772,7 @@ static void worker_on_interrupt(unsigned int cpu)
trailer = trailer_entry_ptr(*sdbt);
/* leave loop if no more work to do */
- if (!(*trailer & BUFFER_FULL_MASK)) {
+ if (!(*trailer & SDB_TE_BUFFER_FULL_MASK)) {
done = 1;
if (!hws_flush_all)
continue;
@@ -856,7 +799,7 @@ static void worker_on_interrupt(unsigned int cpu)
static void add_samples_to_oprofile(unsigned int cpu, unsigned long *sdbt,
unsigned long *dear)
{
- struct hws_data_entry *sample_data_ptr;
+ struct hws_basic_entry *sample_data_ptr;
unsigned long *trailer;
trailer = trailer_entry_ptr(*sdbt);
@@ -866,7 +809,7 @@ static void add_samples_to_oprofile(unsigned int cpu, unsigned long *sdbt,
trailer = dear;
}
- sample_data_ptr = (struct hws_data_entry *)(*sdbt);
+ sample_data_ptr = (struct hws_basic_entry *)(*sdbt);
while ((unsigned long *)sample_data_ptr < trailer) {
struct pt_regs *regs = NULL;
@@ -1002,6 +945,7 @@ int hwsampler_deallocate(void)
goto deallocate_exit;
irq_subclass_unregister(IRQ_SUBCLASS_MEASUREMENT_ALERT);
+ hws_alert = 0;
deallocate_sdbt();
hws_state = HWS_DEALLOCATED;
@@ -1116,6 +1060,7 @@ int hwsampler_shutdown(void)
if (hws_state == HWS_STOPPED) {
irq_subclass_unregister(IRQ_SUBCLASS_MEASUREMENT_ALERT);
+ hws_alert = 0;
deallocate_sdbt();
}
if (hws_wq) {
@@ -1190,6 +1135,7 @@ start_all_exit:
hws_oom = 1;
hws_flush_all = 0;
/* now let them in, 1407 CPUMF external interrupts */
+ hws_alert = 1;
irq_subclass_register(IRQ_SUBCLASS_MEASUREMENT_ALERT);
return 0;
diff --git a/arch/s390/oprofile/hwsampler.h b/arch/s390/oprofile/hwsampler.h
index 0022e1ebfbd..a483d06f2fa 100644
--- a/arch/s390/oprofile/hwsampler.h
+++ b/arch/s390/oprofile/hwsampler.h
@@ -9,27 +9,7 @@
#define HWSAMPLER_H_
#include <linux/workqueue.h>
-
-struct hws_qsi_info_block /* QUERY SAMPLING information block */
-{ /* Bit(s) */
- unsigned int b0_13:14; /* 0-13: zeros */
- unsigned int as:1; /* 14: sampling authorisation control*/
- unsigned int b15_21:7; /* 15-21: zeros */
- unsigned int es:1; /* 22: sampling enable control */
- unsigned int b23_29:7; /* 23-29: zeros */
- unsigned int cs:1; /* 30: sampling activation control */
- unsigned int:1; /* 31: reserved */
- unsigned int bsdes:16; /* 4-5: size of sampling entry */
- unsigned int:16; /* 6-7: reserved */
- unsigned long min_sampl_rate; /* 8-15: minimum sampling interval */
- unsigned long max_sampl_rate; /* 16-23: maximum sampling interval*/
- unsigned long tear; /* 24-31: TEAR contents */
- unsigned long dear; /* 32-39: DEAR contents */
- unsigned int rsvrd0; /* 40-43: reserved */
- unsigned int cpu_speed; /* 44-47: CPU speed */
- unsigned long long rsvrd1; /* 48-55: reserved */
- unsigned long long rsvrd2; /* 56-63: reserved */
-};
+#include <asm/cpu_mf.h>
struct hws_ssctl_request_block /* SET SAMPLING CONTROLS req block */
{ /* bytes 0 - 7 Bit(s) */
@@ -68,36 +48,6 @@ struct hws_cpu_buffer {
unsigned int stop_mode:1;
};
-struct hws_data_entry {
- unsigned int def:16; /* 0-15 Data Entry Format */
- unsigned int R:4; /* 16-19 reserved */
- unsigned int U:4; /* 20-23 Number of unique instruct. */
- unsigned int z:2; /* zeros */
- unsigned int T:1; /* 26 PSW DAT mode */
- unsigned int W:1; /* 27 PSW wait state */
- unsigned int P:1; /* 28 PSW Problem state */
- unsigned int AS:2; /* 29-30 PSW address-space control */
- unsigned int I:1; /* 31 entry valid or invalid */
- unsigned int:16;
- unsigned int prim_asn:16; /* primary ASN */
- unsigned long long ia; /* Instruction Address */
- unsigned long long gpp; /* Guest Program Parameter */
- unsigned long long hpp; /* Host Program Parameter */
-};
-
-struct hws_trailer_entry {
- unsigned int f:1; /* 0 - Block Full Indicator */
- unsigned int a:1; /* 1 - Alert request control */
- unsigned long:62; /* 2 - 63: Reserved */
- unsigned long overflow; /* 64 - sample Overflow count */
- unsigned long timestamp; /* 16 - time-stamp */
- unsigned long timestamp1; /* */
- unsigned long reserved1; /* 32 -Reserved */
- unsigned long reserved2; /* */
- unsigned long progusage1; /* 48 - reserved for programming use */
- unsigned long progusage2; /* */
-};
-
int hwsampler_setup(void);
int hwsampler_shutdown(void);
int hwsampler_allocate(unsigned long sdbt, unsigned long sdb);
diff --git a/arch/s390/oprofile/init.c b/arch/s390/oprofile/init.c
index 04e1b6a8536..9ffe645d598 100644
--- a/arch/s390/oprofile/init.c
+++ b/arch/s390/oprofile/init.c
@@ -10,6 +10,7 @@
*/
#include <linux/oprofile.h>
+#include <linux/perf_event.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/fs.h>
@@ -67,6 +68,21 @@ module_param_call(cpu_type, set_cpu_type, NULL, NULL, 0);
MODULE_PARM_DESC(cpu_type, "Force legacy basic mode sampling"
"(report cpu_type \"timer\"");
+static int __oprofile_hwsampler_start(void)
+{
+ int retval;
+
+ retval = hwsampler_allocate(oprofile_sdbt_blocks, oprofile_sdb_blocks);
+ if (retval)
+ return retval;
+
+ retval = hwsampler_start_all(oprofile_hw_interval);
+ if (retval)
+ hwsampler_deallocate();
+
+ return retval;
+}
+
static int oprofile_hwsampler_start(void)
{
int retval;
@@ -76,13 +92,13 @@ static int oprofile_hwsampler_start(void)
if (!hwsampler_running)
return timer_ops.start();
- retval = hwsampler_allocate(oprofile_sdbt_blocks, oprofile_sdb_blocks);
+ retval = perf_reserve_sampling();
if (retval)
return retval;
- retval = hwsampler_start_all(oprofile_hw_interval);
+ retval = __oprofile_hwsampler_start();
if (retval)
- hwsampler_deallocate();
+ perf_release_sampling();
return retval;
}
@@ -96,6 +112,7 @@ static void oprofile_hwsampler_stop(void)
hwsampler_stop_all();
hwsampler_deallocate();
+ perf_release_sampling();
return;
}
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
index bf7c73d71ee..66670ff262a 100644
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -407,8 +407,8 @@ int arch_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
struct msi_msg msg;
int rc;
- if (type != PCI_CAP_ID_MSIX && type != PCI_CAP_ID_MSI)
- return -EINVAL;
+ if (type == PCI_CAP_ID_MSI && nvec > 1)
+ return 1;
msi_vecs = min(nvec, ZPCI_MSI_VEC_MAX);
msi_vecs = min_t(unsigned int, msi_vecs, CONFIG_PCI_NR_MSI);
@@ -919,17 +919,23 @@ static void zpci_mem_exit(void)
kmem_cache_destroy(zdev_fmb_cache);
}
-static unsigned int s390_pci_probe;
+static unsigned int s390_pci_probe = 1;
+static unsigned int s390_pci_initialized;
char * __init pcibios_setup(char *str)
{
- if (!strcmp(str, "on")) {
- s390_pci_probe = 1;
+ if (!strcmp(str, "off")) {
+ s390_pci_probe = 0;
return NULL;
}
return str;
}
+bool zpci_is_enabled(void)
+{
+ return s390_pci_initialized;
+}
+
static int __init pci_base_init(void)
{
int rc;
@@ -961,6 +967,7 @@ static int __init pci_base_init(void)
if (rc)
goto out_find;
+ s390_pci_initialized = 1;
return 0;
out_find:
@@ -978,5 +985,6 @@ subsys_initcall_sync(pci_base_init);
void zpci_rescan(void)
{
- clp_rescan_pci_devices_simple();
+ if (zpci_is_enabled())
+ clp_rescan_pci_devices_simple();
}
diff --git a/arch/s390/pci/pci_dma.c b/arch/s390/pci/pci_dma.c
index 9b83d080902..60c11a629d9 100644
--- a/arch/s390/pci/pci_dma.c
+++ b/arch/s390/pci/pci_dma.c
@@ -285,7 +285,7 @@ static dma_addr_t s390_dma_map_pages(struct device *dev, struct page *page,
flags |= ZPCI_TABLE_PROTECTED;
if (!dma_update_trans(zdev, pa, dma_addr, size, flags)) {
- atomic64_add(nr_pages, (atomic64_t *) &zdev->fmb->mapped_pages);
+ atomic64_add(nr_pages, &zdev->fmb->mapped_pages);
return dma_addr + (offset & ~PAGE_MASK);
}
@@ -313,7 +313,7 @@ static void s390_dma_unmap_pages(struct device *dev, dma_addr_t dma_addr,
zpci_err_hex(&dma_addr, sizeof(dma_addr));
}
- atomic64_add(npages, (atomic64_t *) &zdev->fmb->unmapped_pages);
+ atomic64_add(npages, &zdev->fmb->unmapped_pages);
iommu_page_index = (dma_addr - zdev->start_dma) >> PAGE_SHIFT;
dma_free_iommu(zdev, iommu_page_index, npages);
}
@@ -332,7 +332,6 @@ static void *s390_dma_alloc(struct device *dev, size_t size,
if (!page)
return NULL;
- atomic64_add(size / PAGE_SIZE, (atomic64_t *) &zdev->fmb->allocated_pages);
pa = page_to_phys(page);
memset((void *) pa, 0, size);
@@ -343,6 +342,7 @@ static void *s390_dma_alloc(struct device *dev, size_t size,
return NULL;
}
+ atomic64_add(size / PAGE_SIZE, &zdev->fmb->allocated_pages);
if (dma_handle)
*dma_handle = map;
return (void *) pa;
@@ -352,8 +352,11 @@ static void s390_dma_free(struct device *dev, size_t size,
void *pa, dma_addr_t dma_handle,
struct dma_attrs *attrs)
{
- s390_dma_unmap_pages(dev, dma_handle, PAGE_ALIGN(size),
- DMA_BIDIRECTIONAL, NULL);
+ struct zpci_dev *zdev = get_zdev(to_pci_dev(dev));
+
+ size = PAGE_ALIGN(size);
+ atomic64_sub(size / PAGE_SIZE, &zdev->fmb->allocated_pages);
+ s390_dma_unmap_pages(dev, dma_handle, size, DMA_BIDIRECTIONAL, NULL);
free_pages((unsigned long) pa, get_order(size));
}
diff --git a/arch/s390/pci/pci_event.c b/arch/s390/pci/pci_event.c
index 800f064b0da..01e251b1da0 100644
--- a/arch/s390/pci/pci_event.c
+++ b/arch/s390/pci/pci_event.c
@@ -43,9 +43,8 @@ struct zpci_ccdf_avail {
u16 pec; /* PCI event code */
} __packed;
-void zpci_event_error(void *data)
+static void __zpci_event_error(struct zpci_ccdf_err *ccdf)
{
- struct zpci_ccdf_err *ccdf = data;
struct zpci_dev *zdev = get_zdev_by_fid(ccdf->fid);
zpci_err("error CCDF:\n");
@@ -58,9 +57,14 @@ void zpci_event_error(void *data)
pci_name(zdev->pdev), ccdf->pec, ccdf->fid);
}
-void zpci_event_availability(void *data)
+void zpci_event_error(void *data)
+{
+ if (zpci_is_enabled())
+ __zpci_event_error(data);
+}
+
+static void __zpci_event_availability(struct zpci_ccdf_avail *ccdf)
{
- struct zpci_ccdf_avail *ccdf = data;
struct zpci_dev *zdev = get_zdev_by_fid(ccdf->fid);
struct pci_dev *pdev = zdev ? zdev->pdev : NULL;
int ret;
@@ -75,6 +79,7 @@ void zpci_event_availability(void *data)
if (!zdev || zdev->state == ZPCI_FN_STATE_CONFIGURED)
break;
zdev->state = ZPCI_FN_STATE_CONFIGURED;
+ zdev->fh = ccdf->fh;
ret = zpci_enable_device(zdev);
if (ret)
break;
@@ -98,9 +103,14 @@ void zpci_event_availability(void *data)
break;
case 0x0304: /* Configured -> Standby */
- if (pdev)
+ if (pdev) {
+ /* Give the driver a hint that the function is
+ * already unusable. */
+ pdev->error_state = pci_channel_io_perm_failure;
pci_stop_and_remove_bus_device(pdev);
+ }
+ zdev->fh = ccdf->fh;
zpci_disable_device(zdev);
zdev->state = ZPCI_FN_STATE_STANDBY;
break;
@@ -108,6 +118,8 @@ void zpci_event_availability(void *data)
clp_rescan_pci_devices();
break;
case 0x0308: /* Standby -> Reserved */
+ if (!zdev)
+ break;
pci_stop_root_bus(zdev->bus);
pci_remove_root_bus(zdev->bus);
break;
@@ -115,3 +127,9 @@ void zpci_event_availability(void *data)
break;
}
}
+
+void zpci_event_availability(void *data)
+{
+ if (zpci_is_enabled())
+ __zpci_event_availability(data);
+}
diff --git a/arch/score/Kconfig b/arch/score/Kconfig
index 305f7ee1f38..c75d06aa27c 100644
--- a/arch/score/Kconfig
+++ b/arch/score/Kconfig
@@ -2,7 +2,6 @@ menu "Machine selection"
config SCORE
def_bool y
- select HAVE_GENERIC_HARDIRQS
select GENERIC_IRQ_SHOW
select GENERIC_IOMAP
select GENERIC_ATOMIC64
diff --git a/arch/score/include/asm/Kbuild b/arch/score/include/asm/Kbuild
index f3414ade77a..fe7471eb016 100644
--- a/arch/score/include/asm/Kbuild
+++ b/arch/score/include/asm/Kbuild
@@ -1,6 +1,7 @@
header-y +=
+generic-y += barrier.h
generic-y += clkdev.h
generic-y += trace_clock.h
generic-y += xor.h
diff --git a/arch/score/include/asm/barrier.h b/arch/score/include/asm/barrier.h
deleted file mode 100644
index 0eacb6471e6..00000000000
--- a/arch/score/include/asm/barrier.h
+++ /dev/null
@@ -1,16 +0,0 @@
-#ifndef _ASM_SCORE_BARRIER_H
-#define _ASM_SCORE_BARRIER_H
-
-#define mb() barrier()
-#define rmb() barrier()
-#define wmb() barrier()
-#define smp_mb() barrier()
-#define smp_rmb() barrier()
-#define smp_wmb() barrier()
-
-#define read_barrier_depends() do {} while (0)
-#define smp_read_barrier_depends() do {} while (0)
-
-#define set_mb(var, value) do {var = value; wmb(); } while (0)
-
-#endif /* _ASM_SCORE_BARRIER_H */
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 9b0979f4df7..ce298317a73 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -66,6 +66,7 @@ config SUPERH32
select PERF_EVENTS
select ARCH_HIBERNATION_POSSIBLE if MMU
select SPARSE_IRQ
+ select HAVE_CC_STACKPROTECTOR
config SUPERH64
def_bool ARCH = "sh64"
@@ -695,20 +696,6 @@ config SECCOMP
If unsure, say N.
-config CC_STACKPROTECTOR
- bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)"
- depends on SUPERH32
- help
- This option turns on the -fstack-protector GCC feature. This
- feature puts, at the beginning of functions, a canary value on
- the stack just before the return address, and validates
- the value just before actually returning. Stack based buffer
- overflows (that need to overwrite this return address) now also
- overwrite the canary, which gets detected and the attack is then
- neutralized via a kernel panic.
-
- This feature requires gcc version 4.2 or above.
-
config SMP
bool "Symmetric multi-processing support"
depends on SYS_SUPPORTS_SMP
diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index aed701c7b11..d4d16e4be07 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -199,10 +199,6 @@ ifeq ($(CONFIG_DWARF_UNWINDER),y)
KBUILD_CFLAGS += -fasynchronous-unwind-tables
endif
-ifeq ($(CONFIG_CC_STACKPROTECTOR),y)
- KBUILD_CFLAGS += -fstack-protector
-endif
-
libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y)
libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y)
diff --git a/arch/sh/include/asm/barrier.h b/arch/sh/include/asm/barrier.h
index 72c103dae30..43715308b06 100644
--- a/arch/sh/include/asm/barrier.h
+++ b/arch/sh/include/asm/barrier.h
@@ -26,29 +26,14 @@
#if defined(CONFIG_CPU_SH4A) || defined(CONFIG_CPU_SH5)
#define mb() __asm__ __volatile__ ("synco": : :"memory")
#define rmb() mb()
-#define wmb() __asm__ __volatile__ ("synco": : :"memory")
+#define wmb() mb()
#define ctrl_barrier() __icbi(PAGE_OFFSET)
-#define read_barrier_depends() do { } while(0)
#else
-#define mb() __asm__ __volatile__ ("": : :"memory")
-#define rmb() mb()
-#define wmb() __asm__ __volatile__ ("": : :"memory")
#define ctrl_barrier() __asm__ __volatile__ ("nop;nop;nop;nop;nop;nop;nop;nop")
-#define read_barrier_depends() do { } while(0)
-#endif
-
-#ifdef CONFIG_SMP
-#define smp_mb() mb()
-#define smp_rmb() rmb()
-#define smp_wmb() wmb()
-#define smp_read_barrier_depends() read_barrier_depends()
-#else
-#define smp_mb() barrier()
-#define smp_rmb() barrier()
-#define smp_wmb() barrier()
-#define smp_read_barrier_depends() do { } while(0)
#endif
#define set_mb(var, value) do { (void)xchg(&var, value); } while (0)
+#include <asm-generic/barrier.h>
+
#endif /* __ASM_SH_BARRIER_H */
diff --git a/arch/sh/kernel/kgdb.c b/arch/sh/kernel/kgdb.c
index 38b313909ac..adad46e41a1 100644
--- a/arch/sh/kernel/kgdb.c
+++ b/arch/sh/kernel/kgdb.c
@@ -13,6 +13,7 @@
#include <linux/kdebug.h>
#include <linux/irq.h>
#include <linux/io.h>
+#include <linux/sched.h>
#include <asm/cacheflush.h>
#include <asm/traps.h>
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index 1cf90e947db..de19cfa768f 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -230,8 +230,8 @@ void __init __add_active_range(unsigned int nid, unsigned long start_pfn,
pmb_bolt_mapping((unsigned long)__va(start), start, end - start,
PAGE_KERNEL);
- memblock_set_node(PFN_PHYS(start_pfn),
- PFN_PHYS(end_pfn - start_pfn), nid);
+ memblock_set_node(PFN_PHYS(start_pfn), PFN_PHYS(end_pfn - start_pfn),
+ &memblock.memory, nid);
}
void __init __weak plat_early_device_setup(void)
diff --git a/arch/sh/kernel/sh_ksyms_32.c b/arch/sh/kernel/sh_ksyms_32.c
index 2a0a596ebf6..d77f2f6c7ff 100644
--- a/arch/sh/kernel/sh_ksyms_32.c
+++ b/arch/sh/kernel/sh_ksyms_32.c
@@ -20,6 +20,11 @@ EXPORT_SYMBOL(csum_partial_copy_generic);
EXPORT_SYMBOL(copy_page);
EXPORT_SYMBOL(__clear_user);
EXPORT_SYMBOL(empty_zero_page);
+#ifdef CONFIG_FLATMEM
+/* need in pfn_valid macro */
+EXPORT_SYMBOL(min_low_pfn);
+EXPORT_SYMBOL(max_low_pfn);
+#endif
#define DECLARE_EXPORT(name) \
extern void name(void);EXPORT_SYMBOL(name)
diff --git a/arch/sh/lib/Makefile b/arch/sh/lib/Makefile
index 7b95f29e317..3baff31e58c 100644
--- a/arch/sh/lib/Makefile
+++ b/arch/sh/lib/Makefile
@@ -6,7 +6,7 @@ lib-y = delay.o memmove.o memchr.o \
checksum.o strlen.o div64.o div64-generic.o
# Extracted from libgcc
-lib-y += movmem.o ashldi3.o ashrdi3.o lshrdi3.o \
+obj-y += movmem.o ashldi3.o ashrdi3.o lshrdi3.o \
ashlsi3.o ashrsi3.o ashiftrt.o lshrsi3.o \
udiv_qrnnd.o
diff --git a/arch/sparc/include/asm/barrier_32.h b/arch/sparc/include/asm/barrier_32.h
index c1b76654ee7..ae69eda288f 100644
--- a/arch/sparc/include/asm/barrier_32.h
+++ b/arch/sparc/include/asm/barrier_32.h
@@ -1,15 +1,7 @@
#ifndef __SPARC_BARRIER_H
#define __SPARC_BARRIER_H
-/* XXX Change this if we ever use a PSO mode kernel. */
-#define mb() __asm__ __volatile__ ("" : : : "memory")
-#define rmb() mb()
-#define wmb() mb()
-#define read_barrier_depends() do { } while(0)
-#define set_mb(__var, __value) do { __var = __value; mb(); } while(0)
-#define smp_mb() __asm__ __volatile__("":::"memory")
-#define smp_rmb() __asm__ __volatile__("":::"memory")
-#define smp_wmb() __asm__ __volatile__("":::"memory")
-#define smp_read_barrier_depends() do { } while(0)
+#include <asm/processor.h> /* for nop() */
+#include <asm-generic/barrier.h>
#endif /* !(__SPARC_BARRIER_H) */
diff --git a/arch/sparc/include/asm/barrier_64.h b/arch/sparc/include/asm/barrier_64.h
index 95d45986f90..b5aad964558 100644
--- a/arch/sparc/include/asm/barrier_64.h
+++ b/arch/sparc/include/asm/barrier_64.h
@@ -53,4 +53,19 @@ do { __asm__ __volatile__("ba,pt %%xcc, 1f\n\t" \
#define smp_read_barrier_depends() do { } while(0)
+#define smp_store_release(p, v) \
+do { \
+ compiletime_assert_atomic_type(*p); \
+ barrier(); \
+ ACCESS_ONCE(*p) = (v); \
+} while (0)
+
+#define smp_load_acquire(p) \
+({ \
+ typeof(*p) ___p1 = ACCESS_ONCE(*p); \
+ compiletime_assert_atomic_type(*p); \
+ barrier(); \
+ ___p1; \
+})
+
#endif /* !(__SPARC64_BARRIER_H) */
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h
index 8358dc14495..0f9e94537ee 100644
--- a/arch/sparc/include/asm/pgtable_64.h
+++ b/arch/sparc/include/asm/pgtable_64.h
@@ -619,7 +619,7 @@ static inline unsigned long pte_present(pte_t pte)
}
#define pte_accessible pte_accessible
-static inline unsigned long pte_accessible(pte_t a)
+static inline unsigned long pte_accessible(struct mm_struct *mm, pte_t a)
{
return pte_val(a) & _PAGE_VALID;
}
@@ -847,7 +847,7 @@ static inline void __set_pte_at(struct mm_struct *mm, unsigned long addr,
* SUN4V NOTE: _PAGE_VALID is the same value in both the SUN4U
* and SUN4V pte layout, so this inline test is fine.
*/
- if (likely(mm != &init_mm) && pte_accessible(orig))
+ if (likely(mm != &init_mm) && pte_accessible(mm, orig))
tlb_batch_add(mm, addr, ptep, orig, fullmm);
}
diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h
index e562d3caee5..ad7e178337f 100644
--- a/arch/sparc/include/asm/uaccess_64.h
+++ b/arch/sparc/include/asm/uaccess_64.h
@@ -262,8 +262,8 @@ extern unsigned long __must_check __clear_user(void __user *, unsigned long);
extern __must_check long strlen_user(const char __user *str);
extern __must_check long strnlen_user(const char __user *str, long n);
-#define __copy_to_user_inatomic ___copy_to_user
-#define __copy_from_user_inatomic ___copy_from_user
+#define __copy_to_user_inatomic __copy_to_user
+#define __copy_from_user_inatomic __copy_from_user
struct pt_regs;
extern unsigned long compute_effective_address(struct pt_regs *,
diff --git a/arch/sparc/kernel/iommu.c b/arch/sparc/kernel/iommu.c
index 070ed141aac..76663b019eb 100644
--- a/arch/sparc/kernel/iommu.c
+++ b/arch/sparc/kernel/iommu.c
@@ -854,7 +854,7 @@ int dma_supported(struct device *dev, u64 device_mask)
return 1;
#ifdef CONFIG_PCI
- if (dev->bus == &pci_bus_type)
+ if (dev_is_pci(dev))
return pci64_dma_supported(to_pci_dev(dev), device_mask);
#endif
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index 2096468de9b..e7e215dfa86 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -666,10 +666,9 @@ EXPORT_SYMBOL(dma_ops);
*/
int dma_supported(struct device *dev, u64 mask)
{
-#ifdef CONFIG_PCI
- if (dev->bus == &pci_bus_type)
+ if (dev_is_pci(dev))
return 1;
-#endif
+
return 0;
}
EXPORT_SYMBOL(dma_supported);
diff --git a/arch/sparc/kernel/kgdb_64.c b/arch/sparc/kernel/kgdb_64.c
index 60b19f50c80..b45fe3fb4d2 100644
--- a/arch/sparc/kernel/kgdb_64.c
+++ b/arch/sparc/kernel/kgdb_64.c
@@ -6,6 +6,7 @@
#include <linux/kgdb.h>
#include <linux/kdebug.h>
#include <linux/ftrace.h>
+#include <linux/context_tracking.h>
#include <asm/cacheflush.h>
#include <asm/kdebug.h>
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index cb021453de2..7de8d1f590b 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -392,7 +392,7 @@ static void apb_fake_ranges(struct pci_dev *dev,
res->flags = IORESOURCE_IO;
region.start = (first << 21);
region.end = (last << 21) + ((1 << 21) - 1);
- pcibios_bus_to_resource(dev, res, &region);
+ pcibios_bus_to_resource(dev->bus, res, &region);
pci_read_config_byte(dev, APB_MEM_ADDRESS_MAP, &map);
apb_calc_first_last(map, &first, &last);
@@ -400,7 +400,7 @@ static void apb_fake_ranges(struct pci_dev *dev,
res->flags = IORESOURCE_MEM;
region.start = (first << 29);
region.end = (last << 29) + ((1 << 29) - 1);
- pcibios_bus_to_resource(dev, res, &region);
+ pcibios_bus_to_resource(dev->bus, res, &region);
}
static void pci_of_scan_bus(struct pci_pbm_info *pbm,
@@ -491,7 +491,7 @@ static void of_scan_pci_bridge(struct pci_pbm_info *pbm,
res->flags = flags;
region.start = GET_64BIT(ranges, 1);
region.end = region.start + size - 1;
- pcibios_bus_to_resource(dev, res, &region);
+ pcibios_bus_to_resource(dev->bus, res, &region);
}
after_ranges:
sprintf(bus->name, "PCI Bus %04x:%02x", pci_domain_nr(bus),
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index b66a5338231..b085311dcd0 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -123,11 +123,12 @@ void smp_callin(void)
rmb();
set_cpu_online(cpuid, true);
- local_irq_enable();
/* idle thread is expected to have preempt disabled */
preempt_disable();
+ local_irq_enable();
+
cpu_startup_entry(CPUHP_ONLINE);
}
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 5322e530d09..eafbc65c9c4 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -1021,7 +1021,8 @@ static void __init add_node_ranges(void)
"start[%lx] end[%lx]\n",
nid, start, this_end);
- memblock_set_node(start, this_end - start, nid);
+ memblock_set_node(start, this_end - start,
+ &memblock.memory, nid);
start = this_end;
}
}
@@ -1325,7 +1326,7 @@ static void __init bootmem_init_nonnuma(void)
(top_of_ram - total_ram) >> 20);
init_node_masks_nonnuma();
- memblock_set_node(0, (phys_addr_t)ULLONG_MAX, 0);
+ memblock_set_node(0, (phys_addr_t)ULLONG_MAX, &memblock.memory, 0);
allocate_node_data(0);
node_set_online(0);
}
diff --git a/arch/sparc/net/bpf_jit_comp.c b/arch/sparc/net/bpf_jit_comp.c
index 218b6b23c37..01fe9946d38 100644
--- a/arch/sparc/net/bpf_jit_comp.c
+++ b/arch/sparc/net/bpf_jit_comp.c
@@ -497,9 +497,20 @@ void bpf_jit_compile(struct sk_filter *fp)
case BPF_S_ALU_MUL_K: /* A *= K */
emit_alu_K(MUL, K);
break;
- case BPF_S_ALU_DIV_K: /* A /= K */
- emit_alu_K(MUL, K);
- emit_read_y(r_A);
+ case BPF_S_ALU_DIV_K: /* A /= K with K != 0*/
+ if (K == 1)
+ break;
+ emit_write_y(G0);
+#ifdef CONFIG_SPARC32
+ /* The Sparc v8 architecture requires
+ * three instructions between a %y
+ * register write and the first use.
+ */
+ emit_nop();
+ emit_nop();
+ emit_nop();
+#endif
+ emit_alu_K(DIV, K);
break;
case BPF_S_ALU_DIV_X: /* A /= X; */
emit_cmpi(r_X, 0);
diff --git a/arch/tile/include/asm/barrier.h b/arch/tile/include/asm/barrier.h
index a9a73da5865..b5a05d050a8 100644
--- a/arch/tile/include/asm/barrier.h
+++ b/arch/tile/include/asm/barrier.h
@@ -22,59 +22,6 @@
#include <arch/spr_def.h>
#include <asm/timex.h>
-/*
- * read_barrier_depends - Flush all pending reads that subsequents reads
- * depend on.
- *
- * No data-dependent reads from memory-like regions are ever reordered
- * over this barrier. All reads preceding this primitive are guaranteed
- * to access memory (but not necessarily other CPUs' caches) before any
- * reads following this primitive that depend on the data return by
- * any of the preceding reads. This primitive is much lighter weight than
- * rmb() on most CPUs, and is never heavier weight than is
- * rmb().
- *
- * These ordering constraints are respected by both the local CPU
- * and the compiler.
- *
- * Ordering is not guaranteed by anything other than these primitives,
- * not even by data dependencies. See the documentation for
- * memory_barrier() for examples and URLs to more information.
- *
- * For example, the following code would force ordering (the initial
- * value of "a" is zero, "b" is one, and "p" is "&a"):
- *
- * <programlisting>
- * CPU 0 CPU 1
- *
- * b = 2;
- * memory_barrier();
- * p = &b; q = p;
- * read_barrier_depends();
- * d = *q;
- * </programlisting>
- *
- * because the read of "*q" depends on the read of "p" and these
- * two reads are separated by a read_barrier_depends(). However,
- * the following code, with the same initial values for "a" and "b":
- *
- * <programlisting>
- * CPU 0 CPU 1
- *
- * a = 2;
- * memory_barrier();
- * b = 3; y = b;
- * read_barrier_depends();
- * x = a;
- * </programlisting>
- *
- * does not enforce ordering, since there is no data dependency between
- * the read of "a" and the read of "b". Therefore, on some CPUs, such
- * as Alpha, "y" could be set to 3 and "x" to 0. Use rmb()
- * in cases like this where there are no data dependencies.
- */
-#define read_barrier_depends() do { } while (0)
-
#define __sync() __insn_mf()
#include <hv/syscall_public.h>
@@ -125,20 +72,7 @@ mb_incoherent(void)
#define mb() fast_mb()
#define iob() fast_iob()
-#ifdef CONFIG_SMP
-#define smp_mb() mb()
-#define smp_rmb() rmb()
-#define smp_wmb() wmb()
-#define smp_read_barrier_depends() read_barrier_depends()
-#else
-#define smp_mb() barrier()
-#define smp_rmb() barrier()
-#define smp_wmb() barrier()
-#define smp_read_barrier_depends() do { } while (0)
-#endif
-
-#define set_mb(var, value) \
- do { var = value; mb(); } while (0)
+#include <asm-generic/barrier.h>
#endif /* !__ASSEMBLY__ */
#endif /* _ASM_TILE_BARRIER_H */
diff --git a/arch/um/Makefile b/arch/um/Makefile
index 48d92bbe62e..36e658a4291 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -33,12 +33,11 @@ MODE_INCLUDE += -I$(srctree)/$(ARCH_DIR)/include/shared/skas
HEADER_ARCH := $(SUBARCH)
-# Additional ARCH settings for x86
-ifeq ($(SUBARCH),i386)
- HEADER_ARCH := x86
+ifneq ($(filter $(SUBARCH),x86 x86_64 i386),)
+ HEADER_ARCH := x86
endif
-ifeq ($(SUBARCH),x86_64)
- HEADER_ARCH := x86
+
+ifdef CONFIG_64BIT
KBUILD_CFLAGS += -mcmodel=large
endif
diff --git a/arch/um/kernel/sysrq.c b/arch/um/kernel/sysrq.c
index 4d6fdf68edf..799d7e413bf 100644
--- a/arch/um/kernel/sysrq.c
+++ b/arch/um/kernel/sysrq.c
@@ -19,7 +19,7 @@ struct stack_frame {
unsigned long return_address;
};
-static void print_stack_trace(unsigned long *sp, unsigned long bp)
+static void do_stack_trace(unsigned long *sp, unsigned long bp)
{
int reliable;
unsigned long addr;
@@ -94,5 +94,5 @@ void show_stack(struct task_struct *task, unsigned long *stack)
}
printk(KERN_CONT "\n");
- print_stack_trace(sp, bp);
+ do_stack_trace(sp, bp);
}
diff --git a/arch/unicore32/include/asm/barrier.h b/arch/unicore32/include/asm/barrier.h
index a6620e5336b..83d6a520f4b 100644
--- a/arch/unicore32/include/asm/barrier.h
+++ b/arch/unicore32/include/asm/barrier.h
@@ -14,15 +14,6 @@
#define dsb() __asm__ __volatile__ ("" : : : "memory")
#define dmb() __asm__ __volatile__ ("" : : : "memory")
-#define mb() barrier()
-#define rmb() barrier()
-#define wmb() barrier()
-#define smp_mb() barrier()
-#define smp_rmb() barrier()
-#define smp_wmb() barrier()
-#define read_barrier_depends() do { } while (0)
-#define smp_read_barrier_depends() do { } while (0)
-
-#define set_mb(var, value) do { var = value; smp_mb(); } while (0)
+#include <asm-generic/barrier.h>
#endif /* __UNICORE_BARRIER_H__ */
diff --git a/arch/unicore32/mm/init.c b/arch/unicore32/mm/init.c
index ae6bc036db9..be2bde9b07c 100644
--- a/arch/unicore32/mm/init.c
+++ b/arch/unicore32/mm/init.c
@@ -66,9 +66,6 @@ void show_mem(unsigned int filter)
printk(KERN_DEFAULT "Mem-info:\n");
show_free_areas(filter);
- if (filter & SHOW_MEM_FILTER_PAGE_COUNT)
- return;
-
for_each_bank(i, mi) {
struct membank *bank = &mi->bank[i];
unsigned int pfn1, pfn2;
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index e903c71f7e6..d3b9186e4c2 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -26,6 +26,7 @@ config X86
select HAVE_AOUT if X86_32
select HAVE_UNSTABLE_SCHED_CLOCK
select ARCH_SUPPORTS_NUMA_BALANCING
+ select ARCH_SUPPORTS_INT128 if X86_64
select ARCH_WANTS_PROT_NUMA_PROT_NONE
select HAVE_IDE
select HAVE_OPROFILE
@@ -124,6 +125,7 @@ config X86
select RTC_LIB
select HAVE_DEBUG_STACKOVERFLOW
select HAVE_IRQ_EXIT_ON_IRQ_STACK if X86_64
+ select HAVE_CC_STACKPROTECTOR
config INSTRUCTION_DECODER
def_bool y
@@ -437,42 +439,26 @@ config X86_INTEL_CE
This option compiles in support for the CE4100 SOC for settop
boxes and media devices.
-config X86_WANT_INTEL_MID
+config X86_INTEL_MID
bool "Intel MID platform support"
depends on X86_32
depends on X86_EXTENDED_PLATFORM
- ---help---
- Select to build a kernel capable of supporting Intel MID platform
- systems which do not have the PCI legacy interfaces (Moorestown,
- Medfield). If you are building for a PC class system say N here.
-
-if X86_WANT_INTEL_MID
-
-config X86_INTEL_MID
- bool
-
-config X86_MDFLD
- bool "Medfield MID platform"
depends on PCI
depends on PCI_GOANY
depends on X86_IO_APIC
- select X86_INTEL_MID
select SFI
+ select I2C
select DW_APB_TIMER
select APB_TIMER
- select I2C
- select SPI
select INTEL_SCU_IPC
- select X86_PLATFORM_DEVICES
select MFD_INTEL_MSIC
---help---
- Medfield is Intel's Low Power Intel Architecture (LPIA) based Moblin
- Internet Device(MID) platform.
- Unlike standard x86 PCs, Medfield does not have many legacy devices
- nor standard legacy replacement devices/features. e.g. Medfield does
- not contain i8259, i8254, HPET, legacy BIOS, most of the io ports.
+ Select to build a kernel capable of supporting Intel MID (Mobile
+ Internet Device) platform systems which do not have the PCI legacy
+ interfaces. If you are building for a PC class system say N here.
-endif
+ Intel MID platforms are based on an Intel processor and chipset which
+ consume less power than most of the x86 derivatives.
config X86_INTEL_LPSS
bool "Intel Low Power Subsystem Support"
@@ -952,7 +938,7 @@ config X86_ANCIENT_MCE
depends on X86_32 && X86_MCE
---help---
Include support for machine check handling on old Pentium 5 or WinChip
- systems. These typically need to be enabled explicitely on the command
+ systems. These typically need to be enabled explicitly on the command
line.
config X86_MCE_THRESHOLD
@@ -1079,10 +1065,6 @@ config MICROCODE_OLD_INTERFACE
def_bool y
depends on MICROCODE
-config MICROCODE_INTEL_LIB
- def_bool y
- depends on MICROCODE_INTEL
-
config MICROCODE_INTEL_EARLY
def_bool n
@@ -1616,22 +1598,6 @@ config SECCOMP
If unsure, say Y. Only embedded should say N here.
-config CC_STACKPROTECTOR
- bool "Enable -fstack-protector buffer overflow detection"
- ---help---
- This option turns on the -fstack-protector GCC feature. This
- feature puts, at the beginning of functions, a canary value on
- the stack just before the return address, and validates
- the value just before actually returning. Stack based buffer
- overflows (that need to overwrite this return address) now also
- overwrite the canary, which gets detected and the attack is then
- neutralized via a kernel panic.
-
- This feature requires gcc version 4.2 or above, or a distribution
- gcc with the feature backported. Older versions are automatically
- detected and for those versions, this configuration option is
- ignored. (and a warning is printed during bootup)
-
source kernel/Kconfig.hz
config KEXEC
@@ -1727,16 +1693,67 @@ config RELOCATABLE
Note: If CONFIG_RELOCATABLE=y, then the kernel runs from the address
it has been loaded at and the compile time physical address
- (CONFIG_PHYSICAL_START) is ignored.
+ (CONFIG_PHYSICAL_START) is used as the minimum location.
-# Relocation on x86-32 needs some additional build support
+config RANDOMIZE_BASE
+ bool "Randomize the address of the kernel image"
+ depends on RELOCATABLE
+ depends on !HIBERNATION
+ default n
+ ---help---
+ Randomizes the physical and virtual address at which the
+ kernel image is decompressed, as a security feature that
+ deters exploit attempts relying on knowledge of the location
+ of kernel internals.
+
+ Entropy is generated using the RDRAND instruction if it is
+ supported. If RDTSC is supported, it is used as well. If
+ neither RDRAND nor RDTSC are supported, then randomness is
+ read from the i8254 timer.
+
+ The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET,
+ and aligned according to PHYSICAL_ALIGN. Since the kernel is
+ built using 2GiB addressing, and PHYSICAL_ALGIN must be at a
+ minimum of 2MiB, only 10 bits of entropy is theoretically
+ possible. At best, due to page table layouts, 64-bit can use
+ 9 bits of entropy and 32-bit uses 8 bits.
+
+ If unsure, say N.
+
+config RANDOMIZE_BASE_MAX_OFFSET
+ hex "Maximum kASLR offset allowed" if EXPERT
+ depends on RANDOMIZE_BASE
+ range 0x0 0x20000000 if X86_32
+ default "0x20000000" if X86_32
+ range 0x0 0x40000000 if X86_64
+ default "0x40000000" if X86_64
+ ---help---
+ The lesser of RANDOMIZE_BASE_MAX_OFFSET and available physical
+ memory is used to determine the maximal offset in bytes that will
+ be applied to the kernel when kernel Address Space Layout
+ Randomization (kASLR) is active. This must be a multiple of
+ PHYSICAL_ALIGN.
+
+ On 32-bit this is limited to 512MiB by page table layouts. The
+ default is 512MiB.
+
+ On 64-bit this is limited by how the kernel fixmap page table is
+ positioned, so this cannot be larger than 1GiB currently. Without
+ RANDOMIZE_BASE, there is a 512MiB to 1.5GiB split between kernel
+ and modules. When RANDOMIZE_BASE_MAX_OFFSET is above 512MiB, the
+ modules area will shrink to compensate, up to the current maximum
+ 1GiB to 1GiB split. The default is 1GiB.
+
+ If unsure, leave at the default value.
+
+# Relocation on x86 needs some additional build support
config X86_NEED_RELOCS
def_bool y
- depends on X86_32 && RELOCATABLE
+ depends on RANDOMIZE_BASE || (X86_32 && RELOCATABLE)
config PHYSICAL_ALIGN
hex "Alignment value to which kernel should be aligned"
- default "0x1000000"
+ default "0x200000"
range 0x2000 0x1000000 if X86_32
range 0x200000 0x1000000 if X86_64
---help---
@@ -2392,6 +2409,14 @@ config X86_DMA_REMAP
bool
depends on STA2X11
+config IOSF_MBI
+ bool
+ depends on PCI
+ ---help---
+ To be selected by modules requiring access to the Intel OnChip System
+ Fabric (IOSF) Sideband MailBox Interface (MBI). For MBI platforms
+ enumerable by PCI.
+
source "net/Kconfig"
source "drivers/Kconfig"
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 41250fb3398..13b22e0f681 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -31,6 +31,9 @@ ifeq ($(CONFIG_X86_32),y)
KBUILD_CFLAGS += -msoft-float -mregparm=3 -freg-struct-return
+ # Don't autogenerate MMX or SSE instructions
+ KBUILD_CFLAGS += -mno-mmx -mno-sse
+
# Never want PIC in a 32-bit kernel, prevent breakage with GCC built
# with nonstandard options
KBUILD_CFLAGS += -fno-pic
@@ -57,8 +60,11 @@ else
KBUILD_AFLAGS += -m64
KBUILD_CFLAGS += -m64
+ # Don't autogenerate MMX or SSE instructions
+ KBUILD_CFLAGS += -mno-mmx -mno-sse
+
# Use -mpreferred-stack-boundary=3 if supported.
- KBUILD_CFLAGS += $(call cc-option,-mno-sse -mpreferred-stack-boundary=3)
+ KBUILD_CFLAGS += $(call cc-option,-mpreferred-stack-boundary=3)
# FIXME - should be integrated in Makefile.cpu (Makefile_32.cpu)
cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8)
@@ -83,13 +89,11 @@ else
KBUILD_CFLAGS += -maccumulate-outgoing-args
endif
+# Make sure compiler does not have buggy stack-protector support.
ifdef CONFIG_CC_STACKPROTECTOR
cc_has_sp := $(srctree)/scripts/gcc-x86_$(BITS)-has-stack-protector.sh
- ifeq ($(shell $(CONFIG_SHELL) $(cc_has_sp) $(CC) $(KBUILD_CPPFLAGS) $(biarch)),y)
- stackp-y := -fstack-protector
- KBUILD_CFLAGS += $(stackp-y)
- else
- $(warning stack protector enabled but no compiler support)
+ ifneq ($(shell $(CONFIG_SHELL) $(cc_has_sp) $(CC) $(KBUILD_CPPFLAGS) $(biarch)),y)
+ $(warning stack-protector enabled but compiler support broken)
endif
endif
diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile
index dce69a25689..de706691800 100644
--- a/arch/x86/boot/Makefile
+++ b/arch/x86/boot/Makefile
@@ -20,7 +20,7 @@ targets := vmlinux.bin setup.bin setup.elf bzImage
targets += fdimage fdimage144 fdimage288 image.iso mtools.conf
subdir- := compressed
-setup-y += a20.o bioscall.o cmdline.o copy.o cpu.o cpucheck.o
+setup-y += a20.o bioscall.o cmdline.o copy.o cpu.o cpuflags.o cpucheck.o
setup-y += early_serial_console.o edd.o header.o main.o mca.o memory.o
setup-y += pm.o pmjump.o printf.o regs.o string.o tty.o video.o
setup-y += video-mode.o version.o
@@ -53,18 +53,18 @@ $(obj)/cpustr.h: $(obj)/mkcpustr FORCE
# How to compile the 16-bit code. Note we always compile for -march=i386,
# that way we can complain to the user if the CPU is insufficient.
-KBUILD_CFLAGS := $(USERINCLUDE) -g -Os -D_SETUP -D__KERNEL__ \
+KBUILD_CFLAGS := $(USERINCLUDE) -m32 -g -Os -D_SETUP -D__KERNEL__ \
-DDISABLE_BRANCH_PROFILING \
-Wall -Wstrict-prototypes \
-march=i386 -mregparm=3 \
-include $(srctree)/$(src)/code16gcc.h \
-fno-strict-aliasing -fomit-frame-pointer -fno-pic \
+ -mno-mmx -mno-sse \
$(call cc-option, -ffreestanding) \
$(call cc-option, -fno-toplevel-reorder,\
- $(call cc-option, -fno-unit-at-a-time)) \
+ $(call cc-option, -fno-unit-at-a-time)) \
$(call cc-option, -fno-stack-protector) \
$(call cc-option, -mpreferred-stack-boundary=2)
-KBUILD_CFLAGS += $(call cc-option, -m32)
KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
GCOV_PROFILE := n
diff --git a/arch/x86/boot/bioscall.S b/arch/x86/boot/bioscall.S
index 1dfbf64e52a..d401b4a262b 100644
--- a/arch/x86/boot/bioscall.S
+++ b/arch/x86/boot/bioscall.S
@@ -1,6 +1,6 @@
/* -----------------------------------------------------------------------
*
- * Copyright 2009 Intel Corporation; author H. Peter Anvin
+ * Copyright 2009-2014 Intel Corporation; author H. Peter Anvin
*
* This file is part of the Linux kernel, and is made available under
* the terms of the GNU General Public License version 2 or (at your
@@ -13,8 +13,8 @@
* touching registers they shouldn't be.
*/
- .code16gcc
- .text
+ .code16
+ .section ".inittext","ax"
.globl intcall
.type intcall, @function
intcall:
diff --git a/arch/x86/boot/boot.h b/arch/x86/boot/boot.h
index ef72baeff48..50f8c5e0f37 100644
--- a/arch/x86/boot/boot.h
+++ b/arch/x86/boot/boot.h
@@ -26,9 +26,8 @@
#include <asm/boot.h>
#include <asm/setup.h>
#include "bitops.h"
-#include <asm/cpufeature.h>
-#include <asm/processor-flags.h>
#include "ctype.h"
+#include "cpuflags.h"
/* Useful macros */
#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
@@ -307,14 +306,7 @@ static inline int cmdline_find_option_bool(const char *option)
return __cmdline_find_option_bool(cmd_line_ptr, option);
}
-
/* cpu.c, cpucheck.c */
-struct cpu_features {
- int level; /* Family, or 64 for x86-64 */
- int model;
- u32 flags[NCAPINTS];
-};
-extern struct cpu_features cpu;
int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr);
int validate_cpu(void);
diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile
index dcd90df10ab..0fcd9133790 100644
--- a/arch/x86/boot/compressed/Makefile
+++ b/arch/x86/boot/compressed/Makefile
@@ -13,6 +13,7 @@ KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
cflags-$(CONFIG_X86_32) := -march=i386
cflags-$(CONFIG_X86_64) := -mcmodel=small
KBUILD_CFLAGS += $(cflags-y)
+KBUILD_CFLAGS += -mno-mmx -mno-sse
KBUILD_CFLAGS += $(call cc-option,-ffreestanding)
KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector)
@@ -27,7 +28,7 @@ HOST_EXTRACFLAGS += -I$(srctree)/tools/include
VMLINUX_OBJS = $(obj)/vmlinux.lds $(obj)/head_$(BITS).o $(obj)/misc.o \
$(obj)/string.o $(obj)/cmdline.o $(obj)/early_serial_console.o \
- $(obj)/piggy.o
+ $(obj)/piggy.o $(obj)/cpuflags.o $(obj)/aslr.o
$(obj)/eboot.o: KBUILD_CFLAGS += -fshort-wchar -mno-red-zone
diff --git a/arch/x86/boot/compressed/aslr.c b/arch/x86/boot/compressed/aslr.c
new file mode 100644
index 00000000000..90a21f43011
--- /dev/null
+++ b/arch/x86/boot/compressed/aslr.c
@@ -0,0 +1,316 @@
+#include "misc.h"
+
+#ifdef CONFIG_RANDOMIZE_BASE
+#include <asm/msr.h>
+#include <asm/archrandom.h>
+#include <asm/e820.h>
+
+#include <generated/compile.h>
+#include <linux/module.h>
+#include <linux/uts.h>
+#include <linux/utsname.h>
+#include <generated/utsrelease.h>
+
+/* Simplified build-specific string for starting entropy. */
+static const char build_str[] = UTS_RELEASE " (" LINUX_COMPILE_BY "@"
+ LINUX_COMPILE_HOST ") (" LINUX_COMPILER ") " UTS_VERSION;
+
+#define I8254_PORT_CONTROL 0x43
+#define I8254_PORT_COUNTER0 0x40
+#define I8254_CMD_READBACK 0xC0
+#define I8254_SELECT_COUNTER0 0x02
+#define I8254_STATUS_NOTREADY 0x40
+static inline u16 i8254(void)
+{
+ u16 status, timer;
+
+ do {
+ outb(I8254_PORT_CONTROL,
+ I8254_CMD_READBACK | I8254_SELECT_COUNTER0);
+ status = inb(I8254_PORT_COUNTER0);
+ timer = inb(I8254_PORT_COUNTER0);
+ timer |= inb(I8254_PORT_COUNTER0) << 8;
+ } while (status & I8254_STATUS_NOTREADY);
+
+ return timer;
+}
+
+static unsigned long rotate_xor(unsigned long hash, const void *area,
+ size_t size)
+{
+ size_t i;
+ unsigned long *ptr = (unsigned long *)area;
+
+ for (i = 0; i < size / sizeof(hash); i++) {
+ /* Rotate by odd number of bits and XOR. */
+ hash = (hash << ((sizeof(hash) * 8) - 7)) | (hash >> 7);
+ hash ^= ptr[i];
+ }
+
+ return hash;
+}
+
+/* Attempt to create a simple but unpredictable starting entropy. */
+static unsigned long get_random_boot(void)
+{
+ unsigned long hash = 0;
+
+ hash = rotate_xor(hash, build_str, sizeof(build_str));
+ hash = rotate_xor(hash, real_mode, sizeof(*real_mode));
+
+ return hash;
+}
+
+static unsigned long get_random_long(void)
+{
+#ifdef CONFIG_X86_64
+ const unsigned long mix_const = 0x5d6008cbf3848dd3UL;
+#else
+ const unsigned long mix_const = 0x3f39e593UL;
+#endif
+ unsigned long raw, random = get_random_boot();
+ bool use_i8254 = true;
+
+ debug_putstr("KASLR using");
+
+ if (has_cpuflag(X86_FEATURE_RDRAND)) {
+ debug_putstr(" RDRAND");
+ if (rdrand_long(&raw)) {
+ random ^= raw;
+ use_i8254 = false;
+ }
+ }
+
+ if (has_cpuflag(X86_FEATURE_TSC)) {
+ debug_putstr(" RDTSC");
+ rdtscll(raw);
+
+ random ^= raw;
+ use_i8254 = false;
+ }
+
+ if (use_i8254) {
+ debug_putstr(" i8254");
+ random ^= i8254();
+ }
+
+ /* Circular multiply for better bit diffusion */
+ asm("mul %3"
+ : "=a" (random), "=d" (raw)
+ : "a" (random), "rm" (mix_const));
+ random += raw;
+
+ debug_putstr("...\n");
+
+ return random;
+}
+
+struct mem_vector {
+ unsigned long start;
+ unsigned long size;
+};
+
+#define MEM_AVOID_MAX 5
+struct mem_vector mem_avoid[MEM_AVOID_MAX];
+
+static bool mem_contains(struct mem_vector *region, struct mem_vector *item)
+{
+ /* Item at least partially before region. */
+ if (item->start < region->start)
+ return false;
+ /* Item at least partially after region. */
+ if (item->start + item->size > region->start + region->size)
+ return false;
+ return true;
+}
+
+static bool mem_overlaps(struct mem_vector *one, struct mem_vector *two)
+{
+ /* Item one is entirely before item two. */
+ if (one->start + one->size <= two->start)
+ return false;
+ /* Item one is entirely after item two. */
+ if (one->start >= two->start + two->size)
+ return false;
+ return true;
+}
+
+static void mem_avoid_init(unsigned long input, unsigned long input_size,
+ unsigned long output, unsigned long output_size)
+{
+ u64 initrd_start, initrd_size;
+ u64 cmd_line, cmd_line_size;
+ unsigned long unsafe, unsafe_len;
+ char *ptr;
+
+ /*
+ * Avoid the region that is unsafe to overlap during
+ * decompression (see calculations at top of misc.c).
+ */
+ unsafe_len = (output_size >> 12) + 32768 + 18;
+ unsafe = (unsigned long)input + input_size - unsafe_len;
+ mem_avoid[0].start = unsafe;
+ mem_avoid[0].size = unsafe_len;
+
+ /* Avoid initrd. */
+ initrd_start = (u64)real_mode->ext_ramdisk_image << 32;
+ initrd_start |= real_mode->hdr.ramdisk_image;
+ initrd_size = (u64)real_mode->ext_ramdisk_size << 32;
+ initrd_size |= real_mode->hdr.ramdisk_size;
+ mem_avoid[1].start = initrd_start;
+ mem_avoid[1].size = initrd_size;
+
+ /* Avoid kernel command line. */
+ cmd_line = (u64)real_mode->ext_cmd_line_ptr << 32;
+ cmd_line |= real_mode->hdr.cmd_line_ptr;
+ /* Calculate size of cmd_line. */
+ ptr = (char *)(unsigned long)cmd_line;
+ for (cmd_line_size = 0; ptr[cmd_line_size++]; )
+ ;
+ mem_avoid[2].start = cmd_line;
+ mem_avoid[2].size = cmd_line_size;
+
+ /* Avoid heap memory. */
+ mem_avoid[3].start = (unsigned long)free_mem_ptr;
+ mem_avoid[3].size = BOOT_HEAP_SIZE;
+
+ /* Avoid stack memory. */
+ mem_avoid[4].start = (unsigned long)free_mem_end_ptr;
+ mem_avoid[4].size = BOOT_STACK_SIZE;
+}
+
+/* Does this memory vector overlap a known avoided area? */
+bool mem_avoid_overlap(struct mem_vector *img)
+{
+ int i;
+
+ for (i = 0; i < MEM_AVOID_MAX; i++) {
+ if (mem_overlaps(img, &mem_avoid[i]))
+ return true;
+ }
+
+ return false;
+}
+
+unsigned long slots[CONFIG_RANDOMIZE_BASE_MAX_OFFSET / CONFIG_PHYSICAL_ALIGN];
+unsigned long slot_max = 0;
+
+static void slots_append(unsigned long addr)
+{
+ /* Overflowing the slots list should be impossible. */
+ if (slot_max >= CONFIG_RANDOMIZE_BASE_MAX_OFFSET /
+ CONFIG_PHYSICAL_ALIGN)
+ return;
+
+ slots[slot_max++] = addr;
+}
+
+static unsigned long slots_fetch_random(void)
+{
+ /* Handle case of no slots stored. */
+ if (slot_max == 0)
+ return 0;
+
+ return slots[get_random_long() % slot_max];
+}
+
+static void process_e820_entry(struct e820entry *entry,
+ unsigned long minimum,
+ unsigned long image_size)
+{
+ struct mem_vector region, img;
+
+ /* Skip non-RAM entries. */
+ if (entry->type != E820_RAM)
+ return;
+
+ /* Ignore entries entirely above our maximum. */
+ if (entry->addr >= CONFIG_RANDOMIZE_BASE_MAX_OFFSET)
+ return;
+
+ /* Ignore entries entirely below our minimum. */
+ if (entry->addr + entry->size < minimum)
+ return;
+
+ region.start = entry->addr;
+ region.size = entry->size;
+
+ /* Potentially raise address to minimum location. */
+ if (region.start < minimum)
+ region.start = minimum;
+
+ /* Potentially raise address to meet alignment requirements. */
+ region.start = ALIGN(region.start, CONFIG_PHYSICAL_ALIGN);
+
+ /* Did we raise the address above the bounds of this e820 region? */
+ if (region.start > entry->addr + entry->size)
+ return;
+
+ /* Reduce size by any delta from the original address. */
+ region.size -= region.start - entry->addr;
+
+ /* Reduce maximum size to fit end of image within maximum limit. */
+ if (region.start + region.size > CONFIG_RANDOMIZE_BASE_MAX_OFFSET)
+ region.size = CONFIG_RANDOMIZE_BASE_MAX_OFFSET - region.start;
+
+ /* Walk each aligned slot and check for avoided areas. */
+ for (img.start = region.start, img.size = image_size ;
+ mem_contains(&region, &img) ;
+ img.start += CONFIG_PHYSICAL_ALIGN) {
+ if (mem_avoid_overlap(&img))
+ continue;
+ slots_append(img.start);
+ }
+}
+
+static unsigned long find_random_addr(unsigned long minimum,
+ unsigned long size)
+{
+ int i;
+ unsigned long addr;
+
+ /* Make sure minimum is aligned. */
+ minimum = ALIGN(minimum, CONFIG_PHYSICAL_ALIGN);
+
+ /* Verify potential e820 positions, appending to slots list. */
+ for (i = 0; i < real_mode->e820_entries; i++) {
+ process_e820_entry(&real_mode->e820_map[i], minimum, size);
+ }
+
+ return slots_fetch_random();
+}
+
+unsigned char *choose_kernel_location(unsigned char *input,
+ unsigned long input_size,
+ unsigned char *output,
+ unsigned long output_size)
+{
+ unsigned long choice = (unsigned long)output;
+ unsigned long random;
+
+ if (cmdline_find_option_bool("nokaslr")) {
+ debug_putstr("KASLR disabled...\n");
+ goto out;
+ }
+
+ /* Record the various known unsafe memory ranges. */
+ mem_avoid_init((unsigned long)input, input_size,
+ (unsigned long)output, output_size);
+
+ /* Walk e820 and find a random address. */
+ random = find_random_addr(choice, output_size);
+ if (!random) {
+ debug_putstr("KASLR could not find suitable E820 region...\n");
+ goto out;
+ }
+
+ /* Always enforce the minimum. */
+ if (random < choice)
+ goto out;
+
+ choice = random;
+out:
+ return (unsigned char *)choice;
+}
+
+#endif /* CONFIG_RANDOMIZE_BASE */
diff --git a/arch/x86/boot/compressed/cmdline.c b/arch/x86/boot/compressed/cmdline.c
index bffd73b45b1..b68e3033e6b 100644
--- a/arch/x86/boot/compressed/cmdline.c
+++ b/arch/x86/boot/compressed/cmdline.c
@@ -1,6 +1,6 @@
#include "misc.h"
-#ifdef CONFIG_EARLY_PRINTK
+#if CONFIG_EARLY_PRINTK || CONFIG_RANDOMIZE_BASE
static unsigned long fs;
static inline void set_fs(unsigned long seg)
diff --git a/arch/x86/boot/compressed/cpuflags.c b/arch/x86/boot/compressed/cpuflags.c
new file mode 100644
index 00000000000..aa313466118
--- /dev/null
+++ b/arch/x86/boot/compressed/cpuflags.c
@@ -0,0 +1,12 @@
+#ifdef CONFIG_RANDOMIZE_BASE
+
+#include "../cpuflags.c"
+
+bool has_cpuflag(int flag)
+{
+ get_cpuflags();
+
+ return test_bit(flag, cpu.flags);
+}
+
+#endif
diff --git a/arch/x86/boot/compressed/head_32.S b/arch/x86/boot/compressed/head_32.S
index 5d6f6891b18..9116aac232c 100644
--- a/arch/x86/boot/compressed/head_32.S
+++ b/arch/x86/boot/compressed/head_32.S
@@ -117,9 +117,11 @@ preferred_addr:
addl %eax, %ebx
notl %eax
andl %eax, %ebx
-#else
- movl $LOAD_PHYSICAL_ADDR, %ebx
+ cmpl $LOAD_PHYSICAL_ADDR, %ebx
+ jge 1f
#endif
+ movl $LOAD_PHYSICAL_ADDR, %ebx
+1:
/* Target address to relocate to for decompression */
addl $z_extract_offset, %ebx
@@ -191,14 +193,14 @@ relocated:
leal boot_heap(%ebx), %eax
pushl %eax /* heap area */
pushl %esi /* real mode pointer */
- call decompress_kernel
+ call decompress_kernel /* returns kernel location in %eax */
addl $24, %esp
/*
* Jump to the decompressed kernel.
*/
xorl %ebx, %ebx
- jmp *%ebp
+ jmp *%eax
/*
* Stack and heap for uncompression
diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S
index c337422b575..c5c1ae0997e 100644
--- a/arch/x86/boot/compressed/head_64.S
+++ b/arch/x86/boot/compressed/head_64.S
@@ -94,9 +94,11 @@ ENTRY(startup_32)
addl %eax, %ebx
notl %eax
andl %eax, %ebx
-#else
- movl $LOAD_PHYSICAL_ADDR, %ebx
+ cmpl $LOAD_PHYSICAL_ADDR, %ebx
+ jge 1f
#endif
+ movl $LOAD_PHYSICAL_ADDR, %ebx
+1:
/* Target address to relocate to for decompression */
addl $z_extract_offset, %ebx
@@ -269,9 +271,11 @@ preferred_addr:
addq %rax, %rbp
notq %rax
andq %rax, %rbp
-#else
- movq $LOAD_PHYSICAL_ADDR, %rbp
+ cmpq $LOAD_PHYSICAL_ADDR, %rbp
+ jge 1f
#endif
+ movq $LOAD_PHYSICAL_ADDR, %rbp
+1:
/* Target address to relocate to for decompression */
leaq z_extract_offset(%rbp), %rbx
@@ -339,13 +343,13 @@ relocated:
movl $z_input_len, %ecx /* input_len */
movq %rbp, %r8 /* output target address */
movq $z_output_len, %r9 /* decompressed length */
- call decompress_kernel
+ call decompress_kernel /* returns kernel location in %rax */
popq %rsi
/*
* Jump to the decompressed kernel.
*/
- jmp *%rbp
+ jmp *%rax
.code32
no_longmode:
diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c
index 434f077d2c4..196eaf373a0 100644
--- a/arch/x86/boot/compressed/misc.c
+++ b/arch/x86/boot/compressed/misc.c
@@ -112,14 +112,8 @@ struct boot_params *real_mode; /* Pointer to real-mode data */
void *memset(void *s, int c, size_t n);
void *memcpy(void *dest, const void *src, size_t n);
-#ifdef CONFIG_X86_64
-#define memptr long
-#else
-#define memptr unsigned
-#endif
-
-static memptr free_mem_ptr;
-static memptr free_mem_end_ptr;
+memptr free_mem_ptr;
+memptr free_mem_end_ptr;
static char *vidmem;
static int vidport;
@@ -395,7 +389,7 @@ static void parse_elf(void *output)
free(phdrs);
}
-asmlinkage void decompress_kernel(void *rmode, memptr heap,
+asmlinkage void *decompress_kernel(void *rmode, memptr heap,
unsigned char *input_data,
unsigned long input_len,
unsigned char *output,
@@ -422,6 +416,10 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap,
free_mem_ptr = heap; /* Heap */
free_mem_end_ptr = heap + BOOT_HEAP_SIZE;
+ output = choose_kernel_location(input_data, input_len,
+ output, output_len);
+
+ /* Validate memory location choices. */
if ((unsigned long)output & (MIN_KERNEL_ALIGN - 1))
error("Destination address inappropriately aligned");
#ifdef CONFIG_X86_64
@@ -441,5 +439,5 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap,
parse_elf(output);
handle_relocations(output, output_len);
debug_putstr("done.\nBooting the kernel.\n");
- return;
+ return output;
}
diff --git a/arch/x86/boot/compressed/misc.h b/arch/x86/boot/compressed/misc.h
index 674019d8e23..24e3e569a13 100644
--- a/arch/x86/boot/compressed/misc.h
+++ b/arch/x86/boot/compressed/misc.h
@@ -23,7 +23,15 @@
#define BOOT_BOOT_H
#include "../ctype.h"
+#ifdef CONFIG_X86_64
+#define memptr long
+#else
+#define memptr unsigned
+#endif
+
/* misc.c */
+extern memptr free_mem_ptr;
+extern memptr free_mem_end_ptr;
extern struct boot_params *real_mode; /* Pointer to real-mode data */
void __putstr(const char *s);
#define error_putstr(__x) __putstr(__x)
@@ -39,23 +47,40 @@ static inline void debug_putstr(const char *s)
#endif
-#ifdef CONFIG_EARLY_PRINTK
-
+#if CONFIG_EARLY_PRINTK || CONFIG_RANDOMIZE_BASE
/* cmdline.c */
int cmdline_find_option(const char *option, char *buffer, int bufsize);
int cmdline_find_option_bool(const char *option);
+#endif
-/* early_serial_console.c */
-extern int early_serial_base;
-void console_init(void);
+#if CONFIG_RANDOMIZE_BASE
+/* aslr.c */
+unsigned char *choose_kernel_location(unsigned char *input,
+ unsigned long input_size,
+ unsigned char *output,
+ unsigned long output_size);
+/* cpuflags.c */
+bool has_cpuflag(int flag);
#else
+static inline
+unsigned char *choose_kernel_location(unsigned char *input,
+ unsigned long input_size,
+ unsigned char *output,
+ unsigned long output_size)
+{
+ return output;
+}
+#endif
+#ifdef CONFIG_EARLY_PRINTK
/* early_serial_console.c */
+extern int early_serial_base;
+void console_init(void);
+#else
static const int early_serial_base;
static inline void console_init(void)
{ }
-
#endif
#endif
diff --git a/arch/x86/boot/copy.S b/arch/x86/boot/copy.S
index 11f272c6f5e..1eb7d298b47 100644
--- a/arch/x86/boot/copy.S
+++ b/arch/x86/boot/copy.S
@@ -14,7 +14,7 @@
* Memory copy routines
*/
- .code16gcc
+ .code16
.text
GLOBAL(memcpy)
@@ -30,7 +30,7 @@ GLOBAL(memcpy)
rep; movsb
popw %di
popw %si
- ret
+ retl
ENDPROC(memcpy)
GLOBAL(memset)
@@ -45,25 +45,25 @@ GLOBAL(memset)
andw $3, %cx
rep; stosb
popw %di
- ret
+ retl
ENDPROC(memset)
GLOBAL(copy_from_fs)
pushw %ds
pushw %fs
popw %ds
- call memcpy
+ calll memcpy
popw %ds
- ret
+ retl
ENDPROC(copy_from_fs)
GLOBAL(copy_to_fs)
pushw %es
pushw %fs
popw %es
- call memcpy
+ calll memcpy
popw %es
- ret
+ retl
ENDPROC(copy_to_fs)
#if 0 /* Not currently used, but can be enabled as needed */
@@ -71,17 +71,17 @@ GLOBAL(copy_from_gs)
pushw %ds
pushw %gs
popw %ds
- call memcpy
+ calll memcpy
popw %ds
- ret
+ retl
ENDPROC(copy_from_gs)
GLOBAL(copy_to_gs)
pushw %es
pushw %gs
popw %es
- call memcpy
+ calll memcpy
popw %es
- ret
+ retl
ENDPROC(copy_to_gs)
#endif
diff --git a/arch/x86/boot/cpucheck.c b/arch/x86/boot/cpucheck.c
index 4d3ff037201..100a9a10076 100644
--- a/arch/x86/boot/cpucheck.c
+++ b/arch/x86/boot/cpucheck.c
@@ -28,8 +28,6 @@
#include <asm/required-features.h>
#include <asm/msr-index.h>
-struct cpu_features cpu;
-static u32 cpu_vendor[3];
static u32 err_flags[NCAPINTS];
static const int req_level = CONFIG_X86_MINIMUM_CPU_FAMILY;
@@ -69,92 +67,8 @@ static int is_transmeta(void)
cpu_vendor[2] == A32('M', 'x', '8', '6');
}
-static int has_fpu(void)
-{
- u16 fcw = -1, fsw = -1;
- u32 cr0;
-
- asm("movl %%cr0,%0" : "=r" (cr0));
- if (cr0 & (X86_CR0_EM|X86_CR0_TS)) {
- cr0 &= ~(X86_CR0_EM|X86_CR0_TS);
- asm volatile("movl %0,%%cr0" : : "r" (cr0));
- }
-
- asm volatile("fninit ; fnstsw %0 ; fnstcw %1"
- : "+m" (fsw), "+m" (fcw));
-
- return fsw == 0 && (fcw & 0x103f) == 0x003f;
-}
-
-static int has_eflag(u32 mask)
-{
- u32 f0, f1;
-
- asm("pushfl ; "
- "pushfl ; "
- "popl %0 ; "
- "movl %0,%1 ; "
- "xorl %2,%1 ; "
- "pushl %1 ; "
- "popfl ; "
- "pushfl ; "
- "popl %1 ; "
- "popfl"
- : "=&r" (f0), "=&r" (f1)
- : "ri" (mask));
-
- return !!((f0^f1) & mask);
-}
-
-static void get_flags(void)
-{
- u32 max_intel_level, max_amd_level;
- u32 tfms;
-
- if (has_fpu())
- set_bit(X86_FEATURE_FPU, cpu.flags);
-
- if (has_eflag(X86_EFLAGS_ID)) {
- asm("cpuid"
- : "=a" (max_intel_level),
- "=b" (cpu_vendor[0]),
- "=d" (cpu_vendor[1]),
- "=c" (cpu_vendor[2])
- : "a" (0));
-
- if (max_intel_level >= 0x00000001 &&
- max_intel_level <= 0x0000ffff) {
- asm("cpuid"
- : "=a" (tfms),
- "=c" (cpu.flags[4]),
- "=d" (cpu.flags[0])
- : "a" (0x00000001)
- : "ebx");
- cpu.level = (tfms >> 8) & 15;
- cpu.model = (tfms >> 4) & 15;
- if (cpu.level >= 6)
- cpu.model += ((tfms >> 16) & 0xf) << 4;
- }
-
- asm("cpuid"
- : "=a" (max_amd_level)
- : "a" (0x80000000)
- : "ebx", "ecx", "edx");
-
- if (max_amd_level >= 0x80000001 &&
- max_amd_level <= 0x8000ffff) {
- u32 eax = 0x80000001;
- asm("cpuid"
- : "+a" (eax),
- "=c" (cpu.flags[6]),
- "=d" (cpu.flags[1])
- : : "ebx");
- }
- }
-}
-
/* Returns a bitmask of which words we have error bits in */
-static int check_flags(void)
+static int check_cpuflags(void)
{
u32 err;
int i;
@@ -187,8 +101,8 @@ int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr)
if (has_eflag(X86_EFLAGS_AC))
cpu.level = 4;
- get_flags();
- err = check_flags();
+ get_cpuflags();
+ err = check_cpuflags();
if (test_bit(X86_FEATURE_LM, cpu.flags))
cpu.level = 64;
@@ -207,8 +121,8 @@ int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr)
eax &= ~(1 << 15);
asm("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx));
- get_flags(); /* Make sure it really did something */
- err = check_flags();
+ get_cpuflags(); /* Make sure it really did something */
+ err = check_cpuflags();
} else if (err == 0x01 &&
!(err_flags[0] & ~(1 << X86_FEATURE_CX8)) &&
is_centaur() && cpu.model >= 6) {
@@ -223,7 +137,7 @@ int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr)
asm("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx));
set_bit(X86_FEATURE_CX8, cpu.flags);
- err = check_flags();
+ err = check_cpuflags();
} else if (err == 0x01 && is_transmeta()) {
/* Transmeta might have masked feature bits in word 0 */
@@ -238,7 +152,7 @@ int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr)
: : "ecx", "ebx");
asm("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx));
- err = check_flags();
+ err = check_cpuflags();
}
if (err_flags_ptr)
diff --git a/arch/x86/boot/cpuflags.c b/arch/x86/boot/cpuflags.c
new file mode 100644
index 00000000000..a9fcb7cfb24
--- /dev/null
+++ b/arch/x86/boot/cpuflags.c
@@ -0,0 +1,104 @@
+#include <linux/types.h>
+#include "bitops.h"
+
+#include <asm/processor-flags.h>
+#include <asm/required-features.h>
+#include <asm/msr-index.h>
+#include "cpuflags.h"
+
+struct cpu_features cpu;
+u32 cpu_vendor[3];
+
+static bool loaded_flags;
+
+static int has_fpu(void)
+{
+ u16 fcw = -1, fsw = -1;
+ unsigned long cr0;
+
+ asm volatile("mov %%cr0,%0" : "=r" (cr0));
+ if (cr0 & (X86_CR0_EM|X86_CR0_TS)) {
+ cr0 &= ~(X86_CR0_EM|X86_CR0_TS);
+ asm volatile("mov %0,%%cr0" : : "r" (cr0));
+ }
+
+ asm volatile("fninit ; fnstsw %0 ; fnstcw %1"
+ : "+m" (fsw), "+m" (fcw));
+
+ return fsw == 0 && (fcw & 0x103f) == 0x003f;
+}
+
+int has_eflag(unsigned long mask)
+{
+ unsigned long f0, f1;
+
+ asm volatile("pushf \n\t"
+ "pushf \n\t"
+ "pop %0 \n\t"
+ "mov %0,%1 \n\t"
+ "xor %2,%1 \n\t"
+ "push %1 \n\t"
+ "popf \n\t"
+ "pushf \n\t"
+ "pop %1 \n\t"
+ "popf"
+ : "=&r" (f0), "=&r" (f1)
+ : "ri" (mask));
+
+ return !!((f0^f1) & mask);
+}
+
+/* Handle x86_32 PIC using ebx. */
+#if defined(__i386__) && defined(__PIC__)
+# define EBX_REG "=r"
+#else
+# define EBX_REG "=b"
+#endif
+
+static inline void cpuid(u32 id, u32 *a, u32 *b, u32 *c, u32 *d)
+{
+ asm volatile(".ifnc %%ebx,%3 ; movl %%ebx,%3 ; .endif \n\t"
+ "cpuid \n\t"
+ ".ifnc %%ebx,%3 ; xchgl %%ebx,%3 ; .endif \n\t"
+ : "=a" (*a), "=c" (*c), "=d" (*d), EBX_REG (*b)
+ : "a" (id)
+ );
+}
+
+void get_cpuflags(void)
+{
+ u32 max_intel_level, max_amd_level;
+ u32 tfms;
+ u32 ignored;
+
+ if (loaded_flags)
+ return;
+ loaded_flags = true;
+
+ if (has_fpu())
+ set_bit(X86_FEATURE_FPU, cpu.flags);
+
+ if (has_eflag(X86_EFLAGS_ID)) {
+ cpuid(0x0, &max_intel_level, &cpu_vendor[0], &cpu_vendor[2],
+ &cpu_vendor[1]);
+
+ if (max_intel_level >= 0x00000001 &&
+ max_intel_level <= 0x0000ffff) {
+ cpuid(0x1, &tfms, &ignored, &cpu.flags[4],
+ &cpu.flags[0]);
+ cpu.level = (tfms >> 8) & 15;
+ cpu.model = (tfms >> 4) & 15;
+ if (cpu.level >= 6)
+ cpu.model += ((tfms >> 16) & 0xf) << 4;
+ }
+
+ cpuid(0x80000000, &max_amd_level, &ignored, &ignored,
+ &ignored);
+
+ if (max_amd_level >= 0x80000001 &&
+ max_amd_level <= 0x8000ffff) {
+ cpuid(0x80000001, &ignored, &ignored, &cpu.flags[6],
+ &cpu.flags[1]);
+ }
+ }
+}
diff --git a/arch/x86/boot/cpuflags.h b/arch/x86/boot/cpuflags.h
new file mode 100644
index 00000000000..ea97697e51e
--- /dev/null
+++ b/arch/x86/boot/cpuflags.h
@@ -0,0 +1,19 @@
+#ifndef BOOT_CPUFLAGS_H
+#define BOOT_CPUFLAGS_H
+
+#include <asm/cpufeature.h>
+#include <asm/processor-flags.h>
+
+struct cpu_features {
+ int level; /* Family, or 64 for x86-64 */
+ int model;
+ u32 flags[NCAPINTS];
+};
+
+extern struct cpu_features cpu;
+extern u32 cpu_vendor[3];
+
+int has_eflag(unsigned long mask);
+void get_cpuflags(void);
+
+#endif
diff --git a/arch/x86/boot/header.S b/arch/x86/boot/header.S
index 9ec06a1f6d6..ec3b8ba6809 100644
--- a/arch/x86/boot/header.S
+++ b/arch/x86/boot/header.S
@@ -391,7 +391,14 @@ xloadflags:
#else
# define XLF23 0
#endif
- .word XLF0 | XLF1 | XLF23
+
+#if defined(CONFIG_X86_64) && defined(CONFIG_EFI) && defined(CONFIG_KEXEC)
+# define XLF4 XLF_EFI_KEXEC
+#else
+# define XLF4 0
+#endif
+
+ .word XLF0 | XLF1 | XLF23 | XLF4
cmdline_size: .long COMMAND_LINE_SIZE-1 #length of the command line,
#added with boot protocol
diff --git a/arch/x86/include/asm/archrandom.h b/arch/x86/include/asm/archrandom.h
index 0d9ec770f2f..e6a92455740 100644
--- a/arch/x86/include/asm/archrandom.h
+++ b/arch/x86/include/asm/archrandom.h
@@ -39,6 +39,20 @@
#ifdef CONFIG_ARCH_RANDOM
+/* Instead of arch_get_random_long() when alternatives haven't run. */
+static inline int rdrand_long(unsigned long *v)
+{
+ int ok;
+ asm volatile("1: " RDRAND_LONG "\n\t"
+ "jc 2f\n\t"
+ "decl %0\n\t"
+ "jnz 1b\n\t"
+ "2:"
+ : "=r" (ok), "=a" (*v)
+ : "0" (RDRAND_RETRY_LOOPS));
+ return ok;
+}
+
#define GET_RANDOM(name, type, rdrand, nop) \
static inline int name(type *v) \
{ \
@@ -68,6 +82,13 @@ GET_RANDOM(arch_get_random_int, unsigned int, RDRAND_INT, ASM_NOP3);
#endif /* CONFIG_X86_64 */
+#else
+
+static inline int rdrand_long(unsigned long *v)
+{
+ return 0;
+}
+
#endif /* CONFIG_ARCH_RANDOM */
extern void x86_init_rdrand(struct cpuinfo_x86 *c);
diff --git a/arch/x86/include/asm/atomic.h b/arch/x86/include/asm/atomic.h
index da31c8b8a92..b17f4f48ecd 100644
--- a/arch/x86/include/asm/atomic.h
+++ b/arch/x86/include/asm/atomic.h
@@ -77,7 +77,7 @@ static inline void atomic_sub(int i, atomic_t *v)
*/
static inline int atomic_sub_and_test(int i, atomic_t *v)
{
- GEN_BINARY_RMWcc(LOCK_PREFIX "subl", v->counter, i, "%0", "e");
+ GEN_BINARY_RMWcc(LOCK_PREFIX "subl", v->counter, "er", i, "%0", "e");
}
/**
@@ -141,7 +141,7 @@ static inline int atomic_inc_and_test(atomic_t *v)
*/
static inline int atomic_add_negative(int i, atomic_t *v)
{
- GEN_BINARY_RMWcc(LOCK_PREFIX "addl", v->counter, i, "%0", "s");
+ GEN_BINARY_RMWcc(LOCK_PREFIX "addl", v->counter, "er", i, "%0", "s");
}
/**
diff --git a/arch/x86/include/asm/atomic64_64.h b/arch/x86/include/asm/atomic64_64.h
index 3f065c985ae..46e9052bbd2 100644
--- a/arch/x86/include/asm/atomic64_64.h
+++ b/arch/x86/include/asm/atomic64_64.h
@@ -72,7 +72,7 @@ static inline void atomic64_sub(long i, atomic64_t *v)
*/
static inline int atomic64_sub_and_test(long i, atomic64_t *v)
{
- GEN_BINARY_RMWcc(LOCK_PREFIX "subq", v->counter, i, "%0", "e");
+ GEN_BINARY_RMWcc(LOCK_PREFIX "subq", v->counter, "er", i, "%0", "e");
}
/**
@@ -138,7 +138,7 @@ static inline int atomic64_inc_and_test(atomic64_t *v)
*/
static inline int atomic64_add_negative(long i, atomic64_t *v)
{
- GEN_BINARY_RMWcc(LOCK_PREFIX "addq", v->counter, i, "%0", "s");
+ GEN_BINARY_RMWcc(LOCK_PREFIX "addq", v->counter, "er", i, "%0", "s");
}
/**
diff --git a/arch/x86/include/asm/barrier.h b/arch/x86/include/asm/barrier.h
index c6cd358a1ee..04a48903b2e 100644
--- a/arch/x86/include/asm/barrier.h
+++ b/arch/x86/include/asm/barrier.h
@@ -92,12 +92,53 @@
#endif
#define smp_read_barrier_depends() read_barrier_depends()
#define set_mb(var, value) do { (void)xchg(&var, value); } while (0)
-#else
+#else /* !SMP */
#define smp_mb() barrier()
#define smp_rmb() barrier()
#define smp_wmb() barrier()
#define smp_read_barrier_depends() do { } while (0)
#define set_mb(var, value) do { var = value; barrier(); } while (0)
+#endif /* SMP */
+
+#if defined(CONFIG_X86_OOSTORE) || defined(CONFIG_X86_PPRO_FENCE)
+
+/*
+ * For either of these options x86 doesn't have a strong TSO memory
+ * model and we should fall back to full barriers.
+ */
+
+#define smp_store_release(p, v) \
+do { \
+ compiletime_assert_atomic_type(*p); \
+ smp_mb(); \
+ ACCESS_ONCE(*p) = (v); \
+} while (0)
+
+#define smp_load_acquire(p) \
+({ \
+ typeof(*p) ___p1 = ACCESS_ONCE(*p); \
+ compiletime_assert_atomic_type(*p); \
+ smp_mb(); \
+ ___p1; \
+})
+
+#else /* regular x86 TSO memory ordering */
+
+#define smp_store_release(p, v) \
+do { \
+ compiletime_assert_atomic_type(*p); \
+ barrier(); \
+ ACCESS_ONCE(*p) = (v); \
+} while (0)
+
+#define smp_load_acquire(p) \
+({ \
+ typeof(*p) ___p1 = ACCESS_ONCE(*p); \
+ compiletime_assert_atomic_type(*p); \
+ barrier(); \
+ ___p1; \
+})
+
#endif
/*
diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h
index 6d76d093598..9fc1af74dc8 100644
--- a/arch/x86/include/asm/bitops.h
+++ b/arch/x86/include/asm/bitops.h
@@ -205,7 +205,7 @@ static inline void change_bit(long nr, volatile unsigned long *addr)
*/
static inline int test_and_set_bit(long nr, volatile unsigned long *addr)
{
- GEN_BINARY_RMWcc(LOCK_PREFIX "bts", *addr, nr, "%0", "c");
+ GEN_BINARY_RMWcc(LOCK_PREFIX "bts", *addr, "Ir", nr, "%0", "c");
}
/**
@@ -251,7 +251,7 @@ static inline int __test_and_set_bit(long nr, volatile unsigned long *addr)
*/
static inline int test_and_clear_bit(long nr, volatile unsigned long *addr)
{
- GEN_BINARY_RMWcc(LOCK_PREFIX "btr", *addr, nr, "%0", "c");
+ GEN_BINARY_RMWcc(LOCK_PREFIX "btr", *addr, "Ir", nr, "%0", "c");
}
/**
@@ -304,7 +304,7 @@ static inline int __test_and_change_bit(long nr, volatile unsigned long *addr)
*/
static inline int test_and_change_bit(long nr, volatile unsigned long *addr)
{
- GEN_BINARY_RMWcc(LOCK_PREFIX "btc", *addr, nr, "%0", "c");
+ GEN_BINARY_RMWcc(LOCK_PREFIX "btc", *addr, "Ir", nr, "%0", "c");
}
static __always_inline int constant_test_bit(long nr, const volatile unsigned long *addr)
diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h
index 65c6e6e3a55..3b978c472d0 100644
--- a/arch/x86/include/asm/efi.h
+++ b/arch/x86/include/asm/efi.h
@@ -1,6 +1,24 @@
#ifndef _ASM_X86_EFI_H
#define _ASM_X86_EFI_H
+/*
+ * We map the EFI regions needed for runtime services non-contiguously,
+ * with preserved alignment on virtual addresses starting from -4G down
+ * for a total max space of 64G. This way, we provide for stable runtime
+ * services addresses across kernels so that a kexec'd kernel can still
+ * use them.
+ *
+ * This is the main reason why we're doing stable VA mappings for RT
+ * services.
+ *
+ * This flag is used in conjuction with a chicken bit called
+ * "efi=old_map" which can be used as a fallback to the old runtime
+ * services mapping method in case there's some b0rkage with a
+ * particular EFI implementation (haha, it is hard to hold up the
+ * sarcasm here...).
+ */
+#define EFI_OLD_MEMMAP EFI_ARCH_1
+
#ifdef CONFIG_X86_32
#define EFI_LOADER_SIGNATURE "EL32"
@@ -69,24 +87,31 @@ extern u64 efi_call6(void *fp, u64 arg1, u64 arg2, u64 arg3,
efi_call6((f), (u64)(a1), (u64)(a2), (u64)(a3), \
(u64)(a4), (u64)(a5), (u64)(a6))
+#define _efi_call_virtX(x, f, ...) \
+({ \
+ efi_status_t __s; \
+ \
+ efi_sync_low_kernel_mappings(); \
+ preempt_disable(); \
+ __s = efi_call##x((void *)efi.systab->runtime->f, __VA_ARGS__); \
+ preempt_enable(); \
+ __s; \
+})
+
#define efi_call_virt0(f) \
- efi_call0((efi.systab->runtime->f))
-#define efi_call_virt1(f, a1) \
- efi_call1((efi.systab->runtime->f), (u64)(a1))
-#define efi_call_virt2(f, a1, a2) \
- efi_call2((efi.systab->runtime->f), (u64)(a1), (u64)(a2))
-#define efi_call_virt3(f, a1, a2, a3) \
- efi_call3((efi.systab->runtime->f), (u64)(a1), (u64)(a2), \
- (u64)(a3))
-#define efi_call_virt4(f, a1, a2, a3, a4) \
- efi_call4((efi.systab->runtime->f), (u64)(a1), (u64)(a2), \
- (u64)(a3), (u64)(a4))
-#define efi_call_virt5(f, a1, a2, a3, a4, a5) \
- efi_call5((efi.systab->runtime->f), (u64)(a1), (u64)(a2), \
- (u64)(a3), (u64)(a4), (u64)(a5))
-#define efi_call_virt6(f, a1, a2, a3, a4, a5, a6) \
- efi_call6((efi.systab->runtime->f), (u64)(a1), (u64)(a2), \
- (u64)(a3), (u64)(a4), (u64)(a5), (u64)(a6))
+ _efi_call_virtX(0, f)
+#define efi_call_virt1(f, a1) \
+ _efi_call_virtX(1, f, (u64)(a1))
+#define efi_call_virt2(f, a1, a2) \
+ _efi_call_virtX(2, f, (u64)(a1), (u64)(a2))
+#define efi_call_virt3(f, a1, a2, a3) \
+ _efi_call_virtX(3, f, (u64)(a1), (u64)(a2), (u64)(a3))
+#define efi_call_virt4(f, a1, a2, a3, a4) \
+ _efi_call_virtX(4, f, (u64)(a1), (u64)(a2), (u64)(a3), (u64)(a4))
+#define efi_call_virt5(f, a1, a2, a3, a4, a5) \
+ _efi_call_virtX(5, f, (u64)(a1), (u64)(a2), (u64)(a3), (u64)(a4), (u64)(a5))
+#define efi_call_virt6(f, a1, a2, a3, a4, a5, a6) \
+ _efi_call_virtX(6, f, (u64)(a1), (u64)(a2), (u64)(a3), (u64)(a4), (u64)(a5), (u64)(a6))
extern void __iomem *efi_ioremap(unsigned long addr, unsigned long size,
u32 type, u64 attribute);
@@ -95,12 +120,28 @@ extern void __iomem *efi_ioremap(unsigned long addr, unsigned long size,
extern int add_efi_memmap;
extern unsigned long x86_efi_facility;
+extern struct efi_scratch efi_scratch;
extern void efi_set_executable(efi_memory_desc_t *md, bool executable);
extern int efi_memblock_x86_reserve_range(void);
extern void efi_call_phys_prelog(void);
extern void efi_call_phys_epilog(void);
extern void efi_unmap_memmap(void);
extern void efi_memory_uc(u64 addr, unsigned long size);
+extern void __init efi_map_region(efi_memory_desc_t *md);
+extern void __init efi_map_region_fixed(efi_memory_desc_t *md);
+extern void efi_sync_low_kernel_mappings(void);
+extern void efi_setup_page_tables(void);
+extern void __init old_map_region(efi_memory_desc_t *md);
+
+struct efi_setup_data {
+ u64 fw_vendor;
+ u64 runtime;
+ u64 tables;
+ u64 smbios;
+ u64 reserved[8];
+};
+
+extern u64 efi_setup;
#ifdef CONFIG_EFI
@@ -110,7 +151,7 @@ static inline bool efi_is_native(void)
}
extern struct console early_efi_console;
-
+extern void parse_efi_setup(u64 phys_addr, u32 data_len);
#else
/*
* IF EFI is not configured, have the EFI calls return -ENOSYS.
@@ -122,6 +163,7 @@ extern struct console early_efi_console;
#define efi_call4(_f, _a1, _a2, _a3, _a4) (-ENOSYS)
#define efi_call5(_f, _a1, _a2, _a3, _a4, _a5) (-ENOSYS)
#define efi_call6(_f, _a1, _a2, _a3, _a4, _a5, _a6) (-ENOSYS)
+static inline void parse_efi_setup(u64 phys_addr, u32 data_len) {}
#endif /* CONFIG_EFI */
#endif /* _ASM_X86_EFI_H */
diff --git a/arch/x86/include/asm/fpu-internal.h b/arch/x86/include/asm/fpu-internal.h
index c49a613c645..cea1c76d49b 100644
--- a/arch/x86/include/asm/fpu-internal.h
+++ b/arch/x86/include/asm/fpu-internal.h
@@ -293,12 +293,13 @@ static inline int restore_fpu_checking(struct task_struct *tsk)
/* AMD K7/K8 CPUs don't save/restore FDP/FIP/FOP unless an exception
is pending. Clear the x87 state here by setting it to fixed
values. "m" is a random variable that should be in L1 */
- alternative_input(
- ASM_NOP8 ASM_NOP2,
- "emms\n\t" /* clear stack tags */
- "fildl %P[addr]", /* set F?P to defined value */
- X86_FEATURE_FXSAVE_LEAK,
- [addr] "m" (tsk->thread.fpu.has_fpu));
+ if (unlikely(static_cpu_has(X86_FEATURE_FXSAVE_LEAK))) {
+ asm volatile(
+ "fnclex\n\t"
+ "emms\n\t"
+ "fildl %P[addr]" /* set F?P to defined value */
+ : : [addr] "m" (tsk->thread.fpu.has_fpu));
+ }
return fpu_restore_checking(&tsk->thread.fpu);
}
diff --git a/arch/x86/include/asm/futex.h b/arch/x86/include/asm/futex.h
index be27ba1e947..b4c1f545343 100644
--- a/arch/x86/include/asm/futex.h
+++ b/arch/x86/include/asm/futex.h
@@ -110,26 +110,7 @@ static inline int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr)
static inline int futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
u32 oldval, u32 newval)
{
- int ret = 0;
-
- if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
- return -EFAULT;
-
- asm volatile("\t" ASM_STAC "\n"
- "1:\t" LOCK_PREFIX "cmpxchgl %4, %2\n"
- "2:\t" ASM_CLAC "\n"
- "\t.section .fixup, \"ax\"\n"
- "3:\tmov %3, %0\n"
- "\tjmp 2b\n"
- "\t.previous\n"
- _ASM_EXTABLE(1b, 3b)
- : "+r" (ret), "=a" (oldval), "+m" (*uaddr)
- : "i" (-EFAULT), "r" (newval), "1" (oldval)
- : "memory"
- );
-
- *uval = oldval;
- return ret;
+ return user_atomic_cmpxchg_inatomic(uval, uaddr, oldval, newval);
}
#endif
diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
index cba45d99ac1..67d69b8e2d2 100644
--- a/arch/x86/include/asm/hw_irq.h
+++ b/arch/x86/include/asm/hw_irq.h
@@ -191,6 +191,9 @@ extern void (*__initconst interrupt[NR_VECTORS-FIRST_EXTERNAL_VECTOR])(void);
#define trace_interrupt interrupt
#endif
+#define VECTOR_UNDEFINED -1
+#define VECTOR_RETRIGGERED -2
+
typedef int vector_irq_t[NR_VECTORS];
DECLARE_PER_CPU(vector_irq_t, vector_irq);
extern void setup_vector_irq(int cpu);
diff --git a/arch/x86/include/asm/intel-mid.h b/arch/x86/include/asm/intel-mid.h
index 459769d3926..e34e097b6f9 100644
--- a/arch/x86/include/asm/intel-mid.h
+++ b/arch/x86/include/asm/intel-mid.h
@@ -51,10 +51,41 @@ struct devs_id {
enum intel_mid_cpu_type {
/* 1 was Moorestown */
INTEL_MID_CPU_CHIP_PENWELL = 2,
+ INTEL_MID_CPU_CHIP_CLOVERVIEW,
+ INTEL_MID_CPU_CHIP_TANGIER,
};
extern enum intel_mid_cpu_type __intel_mid_cpu_chip;
+/**
+ * struct intel_mid_ops - Interface between intel-mid & sub archs
+ * @arch_setup: arch_setup function to re-initialize platform
+ * structures (x86_init, x86_platform_init)
+ *
+ * This structure can be extended if any new interface is required
+ * between intel-mid & its sub arch files.
+ */
+struct intel_mid_ops {
+ void (*arch_setup)(void);
+};
+
+/* Helper API's for INTEL_MID_OPS_INIT */
+#define DECLARE_INTEL_MID_OPS_INIT(cpuname, cpuid) \
+ [cpuid] = get_##cpuname##_ops
+
+/* Maximum number of CPU ops */
+#define MAX_CPU_OPS(a) (sizeof(a)/sizeof(void *))
+
+/*
+ * For every new cpu addition, a weak get_<cpuname>_ops() function needs be
+ * declared in arch/x86/platform/intel_mid/intel_mid_weak_decls.h.
+ */
+#define INTEL_MID_OPS_INIT {\
+ DECLARE_INTEL_MID_OPS_INIT(penwell, INTEL_MID_CPU_CHIP_PENWELL), \
+ DECLARE_INTEL_MID_OPS_INIT(cloverview, INTEL_MID_CPU_CHIP_CLOVERVIEW), \
+ DECLARE_INTEL_MID_OPS_INIT(tangier, INTEL_MID_CPU_CHIP_TANGIER) \
+};
+
#ifdef CONFIG_X86_INTEL_MID
static inline enum intel_mid_cpu_type intel_mid_identify_cpu(void)
@@ -86,8 +117,21 @@ extern enum intel_mid_timer_options intel_mid_timer_options;
* Penwell uses spread spectrum clock, so the freq number is not exactly
* the same as reported by MSR based on SDM.
*/
-#define PENWELL_FSB_FREQ_83SKU 83200
-#define PENWELL_FSB_FREQ_100SKU 99840
+#define FSB_FREQ_83SKU 83200
+#define FSB_FREQ_100SKU 99840
+#define FSB_FREQ_133SKU 133000
+
+#define FSB_FREQ_167SKU 167000
+#define FSB_FREQ_200SKU 200000
+#define FSB_FREQ_267SKU 267000
+#define FSB_FREQ_333SKU 333000
+#define FSB_FREQ_400SKU 400000
+
+/* Bus Select SoC Fuse value */
+#define BSEL_SOC_FUSE_MASK 0x7
+#define BSEL_SOC_FUSE_001 0x1 /* FSB 133MHz */
+#define BSEL_SOC_FUSE_101 0x5 /* FSB 100MHz */
+#define BSEL_SOC_FUSE_111 0x7 /* FSB 83MHz */
#define SFI_MTMR_MAX_NUM 8
#define SFI_MRTC_MAX 8
diff --git a/arch/x86/include/asm/iosf_mbi.h b/arch/x86/include/asm/iosf_mbi.h
new file mode 100644
index 00000000000..8e71c794176
--- /dev/null
+++ b/arch/x86/include/asm/iosf_mbi.h
@@ -0,0 +1,90 @@
+/*
+ * iosf_mbi.h: Intel OnChip System Fabric MailBox access support
+ */
+
+#ifndef IOSF_MBI_SYMS_H
+#define IOSF_MBI_SYMS_H
+
+#define MBI_MCR_OFFSET 0xD0
+#define MBI_MDR_OFFSET 0xD4
+#define MBI_MCRX_OFFSET 0xD8
+
+#define MBI_RD_MASK 0xFEFFFFFF
+#define MBI_WR_MASK 0X01000000
+
+#define MBI_MASK_HI 0xFFFFFF00
+#define MBI_MASK_LO 0x000000FF
+#define MBI_ENABLE 0xF0
+
+/* Baytrail available units */
+#define BT_MBI_UNIT_AUNIT 0x00
+#define BT_MBI_UNIT_SMC 0x01
+#define BT_MBI_UNIT_CPU 0x02
+#define BT_MBI_UNIT_BUNIT 0x03
+#define BT_MBI_UNIT_PMC 0x04
+#define BT_MBI_UNIT_GFX 0x06
+#define BT_MBI_UNIT_SMI 0x0C
+#define BT_MBI_UNIT_USB 0x43
+#define BT_MBI_UNIT_SATA 0xA3
+#define BT_MBI_UNIT_PCIE 0xA6
+
+/* Baytrail read/write opcodes */
+#define BT_MBI_AUNIT_READ 0x10
+#define BT_MBI_AUNIT_WRITE 0x11
+#define BT_MBI_SMC_READ 0x10
+#define BT_MBI_SMC_WRITE 0x11
+#define BT_MBI_CPU_READ 0x10
+#define BT_MBI_CPU_WRITE 0x11
+#define BT_MBI_BUNIT_READ 0x10
+#define BT_MBI_BUNIT_WRITE 0x11
+#define BT_MBI_PMC_READ 0x06
+#define BT_MBI_PMC_WRITE 0x07
+#define BT_MBI_GFX_READ 0x00
+#define BT_MBI_GFX_WRITE 0x01
+#define BT_MBI_SMIO_READ 0x06
+#define BT_MBI_SMIO_WRITE 0x07
+#define BT_MBI_USB_READ 0x06
+#define BT_MBI_USB_WRITE 0x07
+#define BT_MBI_SATA_READ 0x00
+#define BT_MBI_SATA_WRITE 0x01
+#define BT_MBI_PCIE_READ 0x00
+#define BT_MBI_PCIE_WRITE 0x01
+
+/**
+ * iosf_mbi_read() - MailBox Interface read command
+ * @port: port indicating subunit being accessed
+ * @opcode: port specific read or write opcode
+ * @offset: register address offset
+ * @mdr: register data to be read
+ *
+ * Locking is handled by spinlock - cannot sleep.
+ * Return: Nonzero on error
+ */
+int iosf_mbi_read(u8 port, u8 opcode, u32 offset, u32 *mdr);
+
+/**
+ * iosf_mbi_write() - MailBox unmasked write command
+ * @port: port indicating subunit being accessed
+ * @opcode: port specific read or write opcode
+ * @offset: register address offset
+ * @mdr: register data to be written
+ *
+ * Locking is handled by spinlock - cannot sleep.
+ * Return: Nonzero on error
+ */
+int iosf_mbi_write(u8 port, u8 opcode, u32 offset, u32 mdr);
+
+/**
+ * iosf_mbi_modify() - MailBox masked write command
+ * @port: port indicating subunit being accessed
+ * @opcode: port specific read or write opcode
+ * @offset: register address offset
+ * @mdr: register data being modified
+ * @mask: mask indicating bits in mdr to be modified
+ *
+ * Locking is handled by spinlock - cannot sleep.
+ * Return: Nonzero on error
+ */
+int iosf_mbi_modify(u8 port, u8 opcode, u32 offset, u32 mdr, u32 mask);
+
+#endif /* IOSF_MBI_SYMS_H */
diff --git a/arch/x86/include/asm/irq.h b/arch/x86/include/asm/irq.h
index 0ea10f27d61..cb6cfcd034c 100644
--- a/arch/x86/include/asm/irq.h
+++ b/arch/x86/include/asm/irq.h
@@ -25,6 +25,7 @@ extern void irq_ctx_init(int cpu);
#ifdef CONFIG_HOTPLUG_CPU
#include <linux/cpumask.h>
+extern int check_irq_vectors_for_cpu_disable(void);
extern void fixup_irqs(void);
extern void irq_force_complete_move(int);
#endif
diff --git a/arch/x86/include/asm/local.h b/arch/x86/include/asm/local.h
index 5b23e605e70..4ad6560847b 100644
--- a/arch/x86/include/asm/local.h
+++ b/arch/x86/include/asm/local.h
@@ -52,7 +52,7 @@ static inline void local_sub(long i, local_t *l)
*/
static inline int local_sub_and_test(long i, local_t *l)
{
- GEN_BINARY_RMWcc(_ASM_SUB, l->a.counter, i, "%0", "e");
+ GEN_BINARY_RMWcc(_ASM_SUB, l->a.counter, "er", i, "%0", "e");
}
/**
@@ -92,7 +92,7 @@ static inline int local_inc_and_test(local_t *l)
*/
static inline int local_add_negative(long i, local_t *l)
{
- GEN_BINARY_RMWcc(_ASM_ADD, l->a.counter, i, "%0", "s");
+ GEN_BINARY_RMWcc(_ASM_ADD, l->a.counter, "er", i, "%0", "s");
}
/**
diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h
index c696a868756..6e4ce2df87c 100644
--- a/arch/x86/include/asm/mce.h
+++ b/arch/x86/include/asm/mce.h
@@ -118,7 +118,6 @@ extern void mce_register_decode_chain(struct notifier_block *nb);
extern void mce_unregister_decode_chain(struct notifier_block *nb);
#include <linux/percpu.h>
-#include <linux/init.h>
#include <linux/atomic.h>
extern int mce_p5_enabled;
diff --git a/arch/x86/include/asm/microcode.h b/arch/x86/include/asm/microcode.h
index f98bd662531..b59827e7652 100644
--- a/arch/x86/include/asm/microcode.h
+++ b/arch/x86/include/asm/microcode.h
@@ -1,6 +1,21 @@
#ifndef _ASM_X86_MICROCODE_H
#define _ASM_X86_MICROCODE_H
+#define native_rdmsr(msr, val1, val2) \
+do { \
+ u64 __val = native_read_msr((msr)); \
+ (void)((val1) = (u32)__val); \
+ (void)((val2) = (u32)(__val >> 32)); \
+} while (0)
+
+#define native_wrmsr(msr, low, high) \
+ native_write_msr(msr, low, high)
+
+#define native_wrmsrl(msr, val) \
+ native_write_msr((msr), \
+ (u32)((u64)(val)), \
+ (u32)((u64)(val) >> 32))
+
struct cpu_signature {
unsigned int sig;
unsigned int pf;
diff --git a/arch/x86/include/asm/microcode_amd.h b/arch/x86/include/asm/microcode_amd.h
index 4c019179a57..b7b10b82d3e 100644
--- a/arch/x86/include/asm/microcode_amd.h
+++ b/arch/x86/include/asm/microcode_amd.h
@@ -61,11 +61,10 @@ extern int __apply_microcode_amd(struct microcode_amd *mc_amd);
extern int apply_microcode_amd(int cpu);
extern enum ucode_state load_microcode_amd(u8 family, const u8 *data, size_t size);
+#define PATCH_MAX_SIZE PAGE_SIZE
+extern u8 amd_ucode_patch[PATCH_MAX_SIZE];
+
#ifdef CONFIG_MICROCODE_AMD_EARLY
-#ifdef CONFIG_X86_32
-#define MPB_MAX_SIZE PAGE_SIZE
-extern u8 amd_bsp_mpb[MPB_MAX_SIZE];
-#endif
extern void __init load_ucode_amd_bsp(void);
extern void load_ucode_amd_ap(void);
extern int __init save_microcode_in_initrd_amd(void);
diff --git a/arch/x86/include/asm/mpspec.h b/arch/x86/include/asm/mpspec.h
index 3142a94c7b4..3e6b4920ef5 100644
--- a/arch/x86/include/asm/mpspec.h
+++ b/arch/x86/include/asm/mpspec.h
@@ -1,7 +1,6 @@
#ifndef _ASM_X86_MPSPEC_H
#define _ASM_X86_MPSPEC_H
-#include <linux/init.h>
#include <asm/mpspec_def.h>
#include <asm/x86_init.h>
diff --git a/arch/x86/include/asm/mwait.h b/arch/x86/include/asm/mwait.h
index 2f366d0ac6b..1da25a5f96f 100644
--- a/arch/x86/include/asm/mwait.h
+++ b/arch/x86/include/asm/mwait.h
@@ -1,6 +1,8 @@
#ifndef _ASM_X86_MWAIT_H
#define _ASM_X86_MWAIT_H
+#include <linux/sched.h>
+
#define MWAIT_SUBSTATE_MASK 0xf
#define MWAIT_CSTATE_MASK 0xf
#define MWAIT_SUBSTATE_SIZE 4
@@ -13,4 +15,45 @@
#define MWAIT_ECX_INTERRUPT_BREAK 0x1
+static inline void __monitor(const void *eax, unsigned long ecx,
+ unsigned long edx)
+{
+ /* "monitor %eax, %ecx, %edx;" */
+ asm volatile(".byte 0x0f, 0x01, 0xc8;"
+ :: "a" (eax), "c" (ecx), "d"(edx));
+}
+
+static inline void __mwait(unsigned long eax, unsigned long ecx)
+{
+ /* "mwait %eax, %ecx;" */
+ asm volatile(".byte 0x0f, 0x01, 0xc9;"
+ :: "a" (eax), "c" (ecx));
+}
+
+/*
+ * This uses new MONITOR/MWAIT instructions on P4 processors with PNI,
+ * which can obviate IPI to trigger checking of need_resched.
+ * We execute MONITOR against need_resched and enter optimized wait state
+ * through MWAIT. Whenever someone changes need_resched, we would be woken
+ * up from MWAIT (without an IPI).
+ *
+ * New with Core Duo processors, MWAIT can take some hints based on CPU
+ * capability.
+ */
+static inline void mwait_idle_with_hints(unsigned long eax, unsigned long ecx)
+{
+ if (!current_set_polling_and_test()) {
+ if (static_cpu_has(X86_FEATURE_CLFLUSH_MONITOR)) {
+ mb();
+ clflush((void *)&current_thread_info()->flags);
+ mb();
+ }
+
+ __monitor((void *)&current_thread_info()->flags, 0, 0);
+ if (!need_resched())
+ __mwait(eax, ecx);
+ }
+ current_clr_polling();
+}
+
#endif /* _ASM_X86_MWAIT_H */
diff --git a/arch/x86/include/asm/page.h b/arch/x86/include/asm/page.h
index c87892442e5..775873d3be5 100644
--- a/arch/x86/include/asm/page.h
+++ b/arch/x86/include/asm/page.h
@@ -71,6 +71,7 @@ extern bool __virt_addr_valid(unsigned long kaddr);
#include <asm-generic/getorder.h>
#define __HAVE_ARCH_GATE_AREA 1
+#define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
#endif /* __KERNEL__ */
#endif /* _ASM_X86_PAGE_H */
diff --git a/arch/x86/include/asm/page_32.h b/arch/x86/include/asm/page_32.h
index 4d550d04b60..904f528cc8e 100644
--- a/arch/x86/include/asm/page_32.h
+++ b/arch/x86/include/asm/page_32.h
@@ -5,10 +5,6 @@
#ifndef __ASSEMBLY__
-#ifdef CONFIG_HUGETLB_PAGE
-#define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
-#endif
-
#define __phys_addr_nodebug(x) ((x) - PAGE_OFFSET)
#ifdef CONFIG_DEBUG_VIRTUAL
extern unsigned long __phys_addr(unsigned long);
diff --git a/arch/x86/include/asm/page_64_types.h b/arch/x86/include/asm/page_64_types.h
index 43dcd804ebd..8de6d9cf3b9 100644
--- a/arch/x86/include/asm/page_64_types.h
+++ b/arch/x86/include/asm/page_64_types.h
@@ -39,9 +39,18 @@
#define __VIRTUAL_MASK_SHIFT 47
/*
- * Kernel image size is limited to 512 MB (see level2_kernel_pgt in
- * arch/x86/kernel/head_64.S), and it is mapped here:
+ * Kernel image size is limited to 1GiB due to the fixmap living in the
+ * next 1GiB (see level2_kernel_pgt in arch/x86/kernel/head_64.S). Use
+ * 512MiB by default, leaving 1.5GiB for modules once the page tables
+ * are fully set up. If kernel ASLR is configured, it can extend the
+ * kernel page table mapping, reducing the size of the modules area.
*/
-#define KERNEL_IMAGE_SIZE (512 * 1024 * 1024)
+#define KERNEL_IMAGE_SIZE_DEFAULT (512 * 1024 * 1024)
+#if defined(CONFIG_RANDOMIZE_BASE) && \
+ CONFIG_RANDOMIZE_BASE_MAX_OFFSET > KERNEL_IMAGE_SIZE_DEFAULT
+#define KERNEL_IMAGE_SIZE CONFIG_RANDOMIZE_BASE_MAX_OFFSET
+#else
+#define KERNEL_IMAGE_SIZE KERNEL_IMAGE_SIZE_DEFAULT
+#endif
#endif /* _ASM_X86_PAGE_64_DEFS_H */
diff --git a/arch/x86/include/asm/page_types.h b/arch/x86/include/asm/page_types.h
index f97fbe3abb6..2f59cce3b38 100644
--- a/arch/x86/include/asm/page_types.h
+++ b/arch/x86/include/asm/page_types.h
@@ -51,9 +51,9 @@ extern int devmem_is_allowed(unsigned long pagenr);
extern unsigned long max_low_pfn_mapped;
extern unsigned long max_pfn_mapped;
-static inline phys_addr_t get_max_mapped(void)
+static inline phys_addr_t get_max_low_mapped(void)
{
- return (phys_addr_t)max_pfn_mapped << PAGE_SHIFT;
+ return (phys_addr_t)max_low_pfn_mapped << PAGE_SHIFT;
}
bool pfn_range_is_mapped(unsigned long start_pfn, unsigned long end_pfn);
diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h
index 947b5c417e8..1ac6114c9ea 100644
--- a/arch/x86/include/asm/pci.h
+++ b/arch/x86/include/asm/pci.h
@@ -104,7 +104,7 @@ extern void pci_iommu_alloc(void);
struct msi_desc;
int native_setup_msi_irqs(struct pci_dev *dev, int nvec, int type);
void native_teardown_msi_irq(unsigned int irq);
-void native_restore_msi_irqs(struct pci_dev *dev, int irq);
+void native_restore_msi_irqs(struct pci_dev *dev);
int setup_msi_irq(struct pci_dev *dev, struct msi_desc *msidesc,
unsigned int irq_base, unsigned int irq_offset);
#else
@@ -125,7 +125,6 @@ int setup_msi_irq(struct pci_dev *dev, struct msi_desc *msidesc,
/* generic pci stuff */
#include <asm-generic/pci.h>
-#define PCIBIOS_MAX_MEM_32 0xffffffff
#ifdef CONFIG_NUMA
/* Returns the node based on pci bus */
diff --git a/arch/x86/include/asm/pgtable-2level.h b/arch/x86/include/asm/pgtable-2level.h
index 3bf2dd0cf61..0d193e23464 100644
--- a/arch/x86/include/asm/pgtable-2level.h
+++ b/arch/x86/include/asm/pgtable-2level.h
@@ -55,6 +55,13 @@ static inline pmd_t native_pmdp_get_and_clear(pmd_t *xp)
#define native_pmdp_get_and_clear(xp) native_local_pmdp_get_and_clear(xp)
#endif
+/* Bit manipulation helper on pte/pgoff entry */
+static inline unsigned long pte_bitop(unsigned long value, unsigned int rightshift,
+ unsigned long mask, unsigned int leftshift)
+{
+ return ((value >> rightshift) & mask) << leftshift;
+}
+
#ifdef CONFIG_MEM_SOFT_DIRTY
/*
@@ -71,31 +78,34 @@ static inline pmd_t native_pmdp_get_and_clear(pmd_t *xp)
#define PTE_FILE_BITS2 (PTE_FILE_SHIFT3 - PTE_FILE_SHIFT2 - 1)
#define PTE_FILE_BITS3 (PTE_FILE_SHIFT4 - PTE_FILE_SHIFT3 - 1)
-#define pte_to_pgoff(pte) \
- ((((pte).pte_low >> (PTE_FILE_SHIFT1)) \
- & ((1U << PTE_FILE_BITS1) - 1))) \
- + ((((pte).pte_low >> (PTE_FILE_SHIFT2)) \
- & ((1U << PTE_FILE_BITS2) - 1)) \
- << (PTE_FILE_BITS1)) \
- + ((((pte).pte_low >> (PTE_FILE_SHIFT3)) \
- & ((1U << PTE_FILE_BITS3) - 1)) \
- << (PTE_FILE_BITS1 + PTE_FILE_BITS2)) \
- + ((((pte).pte_low >> (PTE_FILE_SHIFT4))) \
- << (PTE_FILE_BITS1 + PTE_FILE_BITS2 + PTE_FILE_BITS3))
-
-#define pgoff_to_pte(off) \
- ((pte_t) { .pte_low = \
- ((((off)) & ((1U << PTE_FILE_BITS1) - 1)) << PTE_FILE_SHIFT1) \
- + ((((off) >> PTE_FILE_BITS1) \
- & ((1U << PTE_FILE_BITS2) - 1)) \
- << PTE_FILE_SHIFT2) \
- + ((((off) >> (PTE_FILE_BITS1 + PTE_FILE_BITS2)) \
- & ((1U << PTE_FILE_BITS3) - 1)) \
- << PTE_FILE_SHIFT3) \
- + ((((off) >> \
- (PTE_FILE_BITS1 + PTE_FILE_BITS2 + PTE_FILE_BITS3))) \
- << PTE_FILE_SHIFT4) \
- + _PAGE_FILE })
+#define PTE_FILE_MASK1 ((1U << PTE_FILE_BITS1) - 1)
+#define PTE_FILE_MASK2 ((1U << PTE_FILE_BITS2) - 1)
+#define PTE_FILE_MASK3 ((1U << PTE_FILE_BITS3) - 1)
+
+#define PTE_FILE_LSHIFT2 (PTE_FILE_BITS1)
+#define PTE_FILE_LSHIFT3 (PTE_FILE_BITS1 + PTE_FILE_BITS2)
+#define PTE_FILE_LSHIFT4 (PTE_FILE_BITS1 + PTE_FILE_BITS2 + PTE_FILE_BITS3)
+
+static __always_inline pgoff_t pte_to_pgoff(pte_t pte)
+{
+ return (pgoff_t)
+ (pte_bitop(pte.pte_low, PTE_FILE_SHIFT1, PTE_FILE_MASK1, 0) +
+ pte_bitop(pte.pte_low, PTE_FILE_SHIFT2, PTE_FILE_MASK2, PTE_FILE_LSHIFT2) +
+ pte_bitop(pte.pte_low, PTE_FILE_SHIFT3, PTE_FILE_MASK3, PTE_FILE_LSHIFT3) +
+ pte_bitop(pte.pte_low, PTE_FILE_SHIFT4, -1UL, PTE_FILE_LSHIFT4));
+}
+
+static __always_inline pte_t pgoff_to_pte(pgoff_t off)
+{
+ return (pte_t){
+ .pte_low =
+ pte_bitop(off, 0, PTE_FILE_MASK1, PTE_FILE_SHIFT1) +
+ pte_bitop(off, PTE_FILE_LSHIFT2, PTE_FILE_MASK2, PTE_FILE_SHIFT2) +
+ pte_bitop(off, PTE_FILE_LSHIFT3, PTE_FILE_MASK3, PTE_FILE_SHIFT3) +
+ pte_bitop(off, PTE_FILE_LSHIFT4, -1UL, PTE_FILE_SHIFT4) +
+ _PAGE_FILE,
+ };
+}
#else /* CONFIG_MEM_SOFT_DIRTY */
@@ -115,22 +125,30 @@ static inline pmd_t native_pmdp_get_and_clear(pmd_t *xp)
#define PTE_FILE_BITS1 (PTE_FILE_SHIFT2 - PTE_FILE_SHIFT1 - 1)
#define PTE_FILE_BITS2 (PTE_FILE_SHIFT3 - PTE_FILE_SHIFT2 - 1)
-#define pte_to_pgoff(pte) \
- ((((pte).pte_low >> PTE_FILE_SHIFT1) \
- & ((1U << PTE_FILE_BITS1) - 1)) \
- + ((((pte).pte_low >> PTE_FILE_SHIFT2) \
- & ((1U << PTE_FILE_BITS2) - 1)) << PTE_FILE_BITS1) \
- + (((pte).pte_low >> PTE_FILE_SHIFT3) \
- << (PTE_FILE_BITS1 + PTE_FILE_BITS2)))
-
-#define pgoff_to_pte(off) \
- ((pte_t) { .pte_low = \
- (((off) & ((1U << PTE_FILE_BITS1) - 1)) << PTE_FILE_SHIFT1) \
- + ((((off) >> PTE_FILE_BITS1) & ((1U << PTE_FILE_BITS2) - 1)) \
- << PTE_FILE_SHIFT2) \
- + (((off) >> (PTE_FILE_BITS1 + PTE_FILE_BITS2)) \
- << PTE_FILE_SHIFT3) \
- + _PAGE_FILE })
+#define PTE_FILE_MASK1 ((1U << PTE_FILE_BITS1) - 1)
+#define PTE_FILE_MASK2 ((1U << PTE_FILE_BITS2) - 1)
+
+#define PTE_FILE_LSHIFT2 (PTE_FILE_BITS1)
+#define PTE_FILE_LSHIFT3 (PTE_FILE_BITS1 + PTE_FILE_BITS2)
+
+static __always_inline pgoff_t pte_to_pgoff(pte_t pte)
+{
+ return (pgoff_t)
+ (pte_bitop(pte.pte_low, PTE_FILE_SHIFT1, PTE_FILE_MASK1, 0) +
+ pte_bitop(pte.pte_low, PTE_FILE_SHIFT2, PTE_FILE_MASK2, PTE_FILE_LSHIFT2) +
+ pte_bitop(pte.pte_low, PTE_FILE_SHIFT3, -1UL, PTE_FILE_LSHIFT3));
+}
+
+static __always_inline pte_t pgoff_to_pte(pgoff_t off)
+{
+ return (pte_t){
+ .pte_low =
+ pte_bitop(off, 0, PTE_FILE_MASK1, PTE_FILE_SHIFT1) +
+ pte_bitop(off, PTE_FILE_LSHIFT2, PTE_FILE_MASK2, PTE_FILE_SHIFT2) +
+ pte_bitop(off, PTE_FILE_LSHIFT3, -1UL, PTE_FILE_SHIFT3) +
+ _PAGE_FILE,
+ };
+}
#endif /* CONFIG_MEM_SOFT_DIRTY */
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 3d199945870..bbc8b12fa44 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -452,9 +452,16 @@ static inline int pte_present(pte_t a)
}
#define pte_accessible pte_accessible
-static inline int pte_accessible(pte_t a)
+static inline bool pte_accessible(struct mm_struct *mm, pte_t a)
{
- return pte_flags(a) & _PAGE_PRESENT;
+ if (pte_flags(a) & _PAGE_PRESENT)
+ return true;
+
+ if ((pte_flags(a) & (_PAGE_PROTNONE | _PAGE_NUMA)) &&
+ mm_tlb_flush_pending(mm))
+ return true;
+
+ return false;
}
static inline int pte_hidden(pte_t pte)
diff --git a/arch/x86/include/asm/pgtable_64_types.h b/arch/x86/include/asm/pgtable_64_types.h
index 2d883440cb9..c883bf72639 100644
--- a/arch/x86/include/asm/pgtable_64_types.h
+++ b/arch/x86/include/asm/pgtable_64_types.h
@@ -58,7 +58,7 @@ typedef struct { pteval_t pte; } pte_t;
#define VMALLOC_START _AC(0xffffc90000000000, UL)
#define VMALLOC_END _AC(0xffffe8ffffffffff, UL)
#define VMEMMAP_START _AC(0xffffea0000000000, UL)
-#define MODULES_VADDR _AC(0xffffffffa0000000, UL)
+#define MODULES_VADDR (__START_KERNEL_map + KERNEL_IMAGE_SIZE)
#define MODULES_END _AC(0xffffffffff000000, UL)
#define MODULES_LEN (MODULES_END - MODULES_VADDR)
diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h
index 0ecac257fb2..a83aa44bb1f 100644
--- a/arch/x86/include/asm/pgtable_types.h
+++ b/arch/x86/include/asm/pgtable_types.h
@@ -382,7 +382,8 @@ static inline void update_page_count(int level, unsigned long pages) { }
*/
extern pte_t *lookup_address(unsigned long address, unsigned int *level);
extern phys_addr_t slow_virt_to_phys(void *__address);
-
+extern int kernel_map_pages_in_pgd(pgd_t *pgd, u64 pfn, unsigned long address,
+ unsigned numpages, unsigned long page_flags);
#endif /* !__ASSEMBLY__ */
#endif /* _ASM_X86_PGTABLE_DEFS_H */
diff --git a/arch/x86/include/asm/preempt.h b/arch/x86/include/asm/preempt.h
index 8729723636f..c8b051933b1 100644
--- a/arch/x86/include/asm/preempt.h
+++ b/arch/x86/include/asm/preempt.h
@@ -8,6 +8,12 @@
DECLARE_PER_CPU(int, __preempt_count);
/*
+ * We use the PREEMPT_NEED_RESCHED bit as an inverted NEED_RESCHED such
+ * that a decrement hitting 0 means we can and should reschedule.
+ */
+#define PREEMPT_ENABLED (0 + PREEMPT_NEED_RESCHED)
+
+/*
* We mask the PREEMPT_NEED_RESCHED bit so as not to confuse all current users
* that think a non-zero value indicates we cannot preempt.
*/
@@ -74,6 +80,11 @@ static __always_inline void __preempt_count_sub(int val)
__this_cpu_add_4(__preempt_count, -val);
}
+/*
+ * Because we keep PREEMPT_NEED_RESCHED set when we do _not_ need to reschedule
+ * a decrement which hits zero means we have no preempt_count and should
+ * reschedule.
+ */
static __always_inline bool __preempt_count_dec_and_test(void)
{
GEN_UNARY_RMWcc("decl", __preempt_count, __percpu_arg(0), "e");
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index b7845a12679..fdedd38fd0f 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -27,7 +27,6 @@ struct mm_struct;
#include <linux/cache.h>
#include <linux/threads.h>
#include <linux/math64.h>
-#include <linux/init.h>
#include <linux/err.h>
#include <linux/irqflags.h>
@@ -72,6 +71,7 @@ extern u16 __read_mostly tlb_lli_4m[NR_INFO];
extern u16 __read_mostly tlb_lld_4k[NR_INFO];
extern u16 __read_mostly tlb_lld_2m[NR_INFO];
extern u16 __read_mostly tlb_lld_4m[NR_INFO];
+extern u16 __read_mostly tlb_lld_1g[NR_INFO];
extern s8 __read_mostly tlb_flushall_shift;
/*
@@ -370,15 +370,9 @@ struct ymmh_struct {
u32 ymmh_space[64];
};
+/* We don't support LWP yet: */
struct lwp_struct {
- u64 lwpcb_addr;
- u32 flags;
- u32 buf_head_offset;
- u64 buf_base;
- u32 buf_size;
- u32 filters;
- u64 saved_event_record[4];
- u32 event_counter[16];
+ u8 reserved[128];
};
struct bndregs_struct {
@@ -723,29 +717,6 @@ static inline void sync_core(void)
#endif
}
-static inline void __monitor(const void *eax, unsigned long ecx,
- unsigned long edx)
-{
- /* "monitor %eax, %ecx, %edx;" */
- asm volatile(".byte 0x0f, 0x01, 0xc8;"
- :: "a" (eax), "c" (ecx), "d"(edx));
-}
-
-static inline void __mwait(unsigned long eax, unsigned long ecx)
-{
- /* "mwait %eax, %ecx;" */
- asm volatile(".byte 0x0f, 0x01, 0xc9;"
- :: "a" (eax), "c" (ecx));
-}
-
-static inline void __sti_mwait(unsigned long eax, unsigned long ecx)
-{
- trace_hardirqs_on();
- /* "mwait %eax, %ecx;" */
- asm volatile("sti; .byte 0x0f, 0x01, 0xc9;"
- :: "a" (eax), "c" (ecx));
-}
-
extern void select_idle_routine(const struct cpuinfo_x86 *c);
extern void init_amd_e400_c1e_mask(void);
diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h
index 942a08623a1..14fd6fd75a1 100644
--- a/arch/x86/include/asm/ptrace.h
+++ b/arch/x86/include/asm/ptrace.h
@@ -60,7 +60,6 @@ struct pt_regs {
#endif /* !__i386__ */
-#include <linux/init.h>
#ifdef CONFIG_PARAVIRT
#include <asm/paravirt_types.h>
#endif
diff --git a/arch/x86/include/asm/rmwcc.h b/arch/x86/include/asm/rmwcc.h
index 1ff990f1de8..8f7866a5b9a 100644
--- a/arch/x86/include/asm/rmwcc.h
+++ b/arch/x86/include/asm/rmwcc.h
@@ -16,8 +16,8 @@ cc_label: \
#define GEN_UNARY_RMWcc(op, var, arg0, cc) \
__GEN_RMWcc(op " " arg0, var, cc)
-#define GEN_BINARY_RMWcc(op, var, val, arg0, cc) \
- __GEN_RMWcc(op " %1, " arg0, var, cc, "er" (val))
+#define GEN_BINARY_RMWcc(op, var, vcon, val, arg0, cc) \
+ __GEN_RMWcc(op " %1, " arg0, var, cc, vcon (val))
#else /* !CC_HAVE_ASM_GOTO */
@@ -33,8 +33,8 @@ do { \
#define GEN_UNARY_RMWcc(op, var, arg0, cc) \
__GEN_RMWcc(op " " arg0, var, cc)
-#define GEN_BINARY_RMWcc(op, var, val, arg0, cc) \
- __GEN_RMWcc(op " %2, " arg0, var, cc, "er" (val))
+#define GEN_BINARY_RMWcc(op, var, vcon, val, arg0, cc) \
+ __GEN_RMWcc(op " %2, " arg0, var, cc, vcon (val))
#endif /* CC_HAVE_ASM_GOTO */
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index 59bcf4e2241..d62c9f809bc 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -3,7 +3,6 @@
#include <uapi/asm/setup.h>
-
#define COMMAND_LINE_SIZE 2048
#include <linux/linkage.h>
@@ -29,6 +28,8 @@
#include <asm/bootparam.h>
#include <asm/x86_init.h>
+extern u64 relocated_ramdisk;
+
/* Interrupt control for vSMPowered x86_64 systems */
#ifdef CONFIG_X86_64
void vsmp_init(void);
diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h
index 4137890e88e..8cd27e08e23 100644
--- a/arch/x86/include/asm/smp.h
+++ b/arch/x86/include/asm/smp.h
@@ -2,7 +2,6 @@
#define _ASM_X86_SMP_H
#ifndef __ASSEMBLY__
#include <linux/cpumask.h>
-#include <linux/init.h>
#include <asm/percpu.h>
/*
diff --git a/arch/x86/include/asm/timer.h b/arch/x86/include/asm/timer.h
index 34baa0eb5d0..a04eabd43d0 100644
--- a/arch/x86/include/asm/timer.h
+++ b/arch/x86/include/asm/timer.h
@@ -1,9 +1,9 @@
#ifndef _ASM_X86_TIMER_H
#define _ASM_X86_TIMER_H
-#include <linux/init.h>
#include <linux/pm.h>
#include <linux/percpu.h>
#include <linux/interrupt.h>
+#include <linux/math64.h>
#define TICK_SIZE (tick_nsec / 1000)
@@ -12,68 +12,26 @@ extern int recalibrate_cpu_khz(void);
extern int no_timer_check;
-/* Accelerators for sched_clock()
- * convert from cycles(64bits) => nanoseconds (64bits)
- * basic equation:
- * ns = cycles / (freq / ns_per_sec)
- * ns = cycles * (ns_per_sec / freq)
- * ns = cycles * (10^9 / (cpu_khz * 10^3))
- * ns = cycles * (10^6 / cpu_khz)
+/*
+ * We use the full linear equation: f(x) = a + b*x, in order to allow
+ * a continuous function in the face of dynamic freq changes.
*
- * Then we use scaling math (suggested by george@mvista.com) to get:
- * ns = cycles * (10^6 * SC / cpu_khz) / SC
- * ns = cycles * cyc2ns_scale / SC
+ * Continuity means that when our frequency changes our slope (b); we want to
+ * ensure that: f(t) == f'(t), which gives: a + b*t == a' + b'*t.
*
- * And since SC is a constant power of two, we can convert the div
- * into a shift.
+ * Without an offset (a) the above would not be possible.
*
- * We can use khz divisor instead of mhz to keep a better precision, since
- * cyc2ns_scale is limited to 10^6 * 2^10, which fits in 32 bits.
- * (mathieu.desnoyers@polymtl.ca)
- *
- * -johnstul@us.ibm.com "math is hard, lets go shopping!"
- *
- * In:
- *
- * ns = cycles * cyc2ns_scale / SC
- *
- * Although we may still have enough bits to store the value of ns,
- * in some cases, we may not have enough bits to store cycles * cyc2ns_scale,
- * leading to an incorrect result.
- *
- * To avoid this, we can decompose 'cycles' into quotient and remainder
- * of division by SC. Then,
- *
- * ns = (quot * SC + rem) * cyc2ns_scale / SC
- * = quot * cyc2ns_scale + (rem * cyc2ns_scale) / SC
- *
- * - sqazi@google.com
+ * See the comment near cycles_2_ns() for details on how we compute (b).
*/
-
-DECLARE_PER_CPU(unsigned long, cyc2ns);
-DECLARE_PER_CPU(unsigned long long, cyc2ns_offset);
-
-#define CYC2NS_SCALE_FACTOR 10 /* 2^10, carefully chosen */
-
-static inline unsigned long long __cycles_2_ns(unsigned long long cyc)
-{
- int cpu = smp_processor_id();
- unsigned long long ns = per_cpu(cyc2ns_offset, cpu);
- ns += mult_frac(cyc, per_cpu(cyc2ns, cpu),
- (1UL << CYC2NS_SCALE_FACTOR));
- return ns;
-}
-
-static inline unsigned long long cycles_2_ns(unsigned long long cyc)
-{
- unsigned long long ns;
- unsigned long flags;
-
- local_irq_save(flags);
- ns = __cycles_2_ns(cyc);
- local_irq_restore(flags);
-
- return ns;
-}
+struct cyc2ns_data {
+ u32 cyc2ns_mul;
+ u32 cyc2ns_shift;
+ u64 cyc2ns_offset;
+ u32 __count;
+ /* u32 hole */
+}; /* 24 bytes -- do not grow */
+
+extern struct cyc2ns_data *cyc2ns_read_begin(void);
+extern void cyc2ns_read_end(struct cyc2ns_data *);
#endif /* _ASM_X86_TIMER_H */
diff --git a/arch/x86/include/asm/trace/irq_vectors.h b/arch/x86/include/asm/trace/irq_vectors.h
index 2874df24e7a..4cab890007a 100644
--- a/arch/x86/include/asm/trace/irq_vectors.h
+++ b/arch/x86/include/asm/trace/irq_vectors.h
@@ -72,6 +72,17 @@ DEFINE_IRQ_VECTOR_EVENT(x86_platform_ipi);
DEFINE_IRQ_VECTOR_EVENT(irq_work);
/*
+ * We must dis-allow sampling irq_work_exit() because perf event sampling
+ * itself can cause irq_work, which would lead to an infinite loop;
+ *
+ * 1) irq_work_exit happens
+ * 2) generates perf sample
+ * 3) generates irq_work
+ * 4) goto 1
+ */
+TRACE_EVENT_PERF_PERM(irq_work_exit, is_sampling_event(p_event) ? -EPERM : 0);
+
+/*
* call_function - called when entering/exiting a call function interrupt
* vector handler
*/
diff --git a/arch/x86/include/asm/tsc.h b/arch/x86/include/asm/tsc.h
index 235be70d5bb..57ae63cd6ee 100644
--- a/arch/x86/include/asm/tsc.h
+++ b/arch/x86/include/asm/tsc.h
@@ -65,4 +65,7 @@ extern int notsc_setup(char *);
extern void tsc_save_sched_clock_state(void);
extern void tsc_restore_sched_clock_state(void);
+/* MSR based TSC calibration for Intel Atom SoC platforms */
+int try_msr_calibrate_tsc(unsigned long *fast_calibrate);
+
#endif /* _ASM_X86_TSC_H */
diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h
index 8ec57c07b12..0d592e0a5b8 100644
--- a/arch/x86/include/asm/uaccess.h
+++ b/arch/x86/include/asm/uaccess.h
@@ -40,22 +40,30 @@
/*
* Test whether a block of memory is a valid user space address.
* Returns 0 if the range is valid, nonzero otherwise.
- *
- * This is equivalent to the following test:
- * (u33)addr + (u33)size > (u33)current->addr_limit.seg (u65 for x86_64)
- *
- * This needs 33-bit (65-bit for x86_64) arithmetic. We have a carry...
*/
+static inline bool __chk_range_not_ok(unsigned long addr, unsigned long size, unsigned long limit)
+{
+ /*
+ * If we have used "sizeof()" for the size,
+ * we know it won't overflow the limit (but
+ * it might overflow the 'addr', so it's
+ * important to subtract the size from the
+ * limit, not add it to the address).
+ */
+ if (__builtin_constant_p(size))
+ return addr > limit - size;
+
+ /* Arbitrary sizes? Be careful about overflow */
+ addr += size;
+ if (addr < size)
+ return true;
+ return addr > limit;
+}
#define __range_not_ok(addr, size, limit) \
({ \
- unsigned long flag, roksum; \
__chk_user_ptr(addr); \
- asm("add %3,%1 ; sbb %0,%0 ; cmp %1,%4 ; sbb $0,%0" \
- : "=&r" (flag), "=r" (roksum) \
- : "1" (addr), "g" ((long)(size)), \
- "rm" (limit)); \
- flag; \
+ __chk_range_not_ok((unsigned long __force)(addr), size, limit); \
})
/**
@@ -78,7 +86,7 @@
* this function, memory access functions may still return -EFAULT.
*/
#define access_ok(type, addr, size) \
- (likely(__range_not_ok(addr, size, user_addr_max()) == 0))
+ likely(!__range_not_ok(addr, size, user_addr_max()))
/*
* The exception table consists of pairs of addresses relative to the
@@ -525,6 +533,98 @@ extern __must_check long strnlen_user(const char __user *str, long n);
unsigned long __must_check clear_user(void __user *mem, unsigned long len);
unsigned long __must_check __clear_user(void __user *mem, unsigned long len);
+extern void __cmpxchg_wrong_size(void)
+ __compiletime_error("Bad argument size for cmpxchg");
+
+#define __user_atomic_cmpxchg_inatomic(uval, ptr, old, new, size) \
+({ \
+ int __ret = 0; \
+ __typeof__(ptr) __uval = (uval); \
+ __typeof__(*(ptr)) __old = (old); \
+ __typeof__(*(ptr)) __new = (new); \
+ switch (size) { \
+ case 1: \
+ { \
+ asm volatile("\t" ASM_STAC "\n" \
+ "1:\t" LOCK_PREFIX "cmpxchgb %4, %2\n" \
+ "2:\t" ASM_CLAC "\n" \
+ "\t.section .fixup, \"ax\"\n" \
+ "3:\tmov %3, %0\n" \
+ "\tjmp 2b\n" \
+ "\t.previous\n" \
+ _ASM_EXTABLE(1b, 3b) \
+ : "+r" (__ret), "=a" (__old), "+m" (*(ptr)) \
+ : "i" (-EFAULT), "q" (__new), "1" (__old) \
+ : "memory" \
+ ); \
+ break; \
+ } \
+ case 2: \
+ { \
+ asm volatile("\t" ASM_STAC "\n" \
+ "1:\t" LOCK_PREFIX "cmpxchgw %4, %2\n" \
+ "2:\t" ASM_CLAC "\n" \
+ "\t.section .fixup, \"ax\"\n" \
+ "3:\tmov %3, %0\n" \
+ "\tjmp 2b\n" \
+ "\t.previous\n" \
+ _ASM_EXTABLE(1b, 3b) \
+ : "+r" (__ret), "=a" (__old), "+m" (*(ptr)) \
+ : "i" (-EFAULT), "r" (__new), "1" (__old) \
+ : "memory" \
+ ); \
+ break; \
+ } \
+ case 4: \
+ { \
+ asm volatile("\t" ASM_STAC "\n" \
+ "1:\t" LOCK_PREFIX "cmpxchgl %4, %2\n" \
+ "2:\t" ASM_CLAC "\n" \
+ "\t.section .fixup, \"ax\"\n" \
+ "3:\tmov %3, %0\n" \
+ "\tjmp 2b\n" \
+ "\t.previous\n" \
+ _ASM_EXTABLE(1b, 3b) \
+ : "+r" (__ret), "=a" (__old), "+m" (*(ptr)) \
+ : "i" (-EFAULT), "r" (__new), "1" (__old) \
+ : "memory" \
+ ); \
+ break; \
+ } \
+ case 8: \
+ { \
+ if (!IS_ENABLED(CONFIG_X86_64)) \
+ __cmpxchg_wrong_size(); \
+ \
+ asm volatile("\t" ASM_STAC "\n" \
+ "1:\t" LOCK_PREFIX "cmpxchgq %4, %2\n" \
+ "2:\t" ASM_CLAC "\n" \
+ "\t.section .fixup, \"ax\"\n" \
+ "3:\tmov %3, %0\n" \
+ "\tjmp 2b\n" \
+ "\t.previous\n" \
+ _ASM_EXTABLE(1b, 3b) \
+ : "+r" (__ret), "=a" (__old), "+m" (*(ptr)) \
+ : "i" (-EFAULT), "r" (__new), "1" (__old) \
+ : "memory" \
+ ); \
+ break; \
+ } \
+ default: \
+ __cmpxchg_wrong_size(); \
+ } \
+ *__uval = __old; \
+ __ret; \
+})
+
+#define user_atomic_cmpxchg_inatomic(uval, ptr, old, new) \
+({ \
+ access_ok(VERIFY_WRITE, (ptr), sizeof(*(ptr))) ? \
+ __user_atomic_cmpxchg_inatomic((uval), (ptr), \
+ (old), (new), sizeof(*(ptr))) : \
+ -EFAULT; \
+})
+
/*
* movsl can be slow when source and dest are not both 8-byte aligned
*/
diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h
index 190413d0de5..12a26b979bf 100644
--- a/arch/x86/include/asm/uaccess_64.h
+++ b/arch/x86/include/asm/uaccess_64.h
@@ -204,13 +204,13 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size)
static __must_check __always_inline int
__copy_from_user_inatomic(void *dst, const void __user *src, unsigned size)
{
- return __copy_from_user_nocheck(dst, (__force const void *)src, size);
+ return __copy_from_user_nocheck(dst, src, size);
}
static __must_check __always_inline int
__copy_to_user_inatomic(void __user *dst, const void *src, unsigned size)
{
- return __copy_to_user_nocheck((__force void *)dst, src, size);
+ return __copy_to_user_nocheck(dst, src, size);
}
extern long __copy_user_nocache(void *dst, const void __user *src,
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index 0f1be11e43d..e45e4da96bf 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -181,7 +181,7 @@ struct x86_msi_ops {
u8 hpet_id);
void (*teardown_msi_irq)(unsigned int irq);
void (*teardown_msi_irqs)(struct pci_dev *dev);
- void (*restore_msi_irqs)(struct pci_dev *dev, int irq);
+ void (*restore_msi_irqs)(struct pci_dev *dev);
int (*setup_hpet_msi)(unsigned int irq, unsigned int id);
u32 (*msi_mask_irq)(struct msi_desc *desc, u32 mask, u32 flag);
u32 (*msix_mask_irq)(struct msi_desc *desc, u32 flag);
diff --git a/arch/x86/include/uapi/asm/bootparam.h b/arch/x86/include/uapi/asm/bootparam.h
index 9c3733c5f8f..225b0988043 100644
--- a/arch/x86/include/uapi/asm/bootparam.h
+++ b/arch/x86/include/uapi/asm/bootparam.h
@@ -6,6 +6,7 @@
#define SETUP_E820_EXT 1
#define SETUP_DTB 2
#define SETUP_PCI 3
+#define SETUP_EFI 4
/* ram_size flags */
#define RAMDISK_IMAGE_START_MASK 0x07FF
@@ -23,6 +24,7 @@
#define XLF_CAN_BE_LOADED_ABOVE_4G (1<<1)
#define XLF_EFI_HANDOVER_32 (1<<2)
#define XLF_EFI_HANDOVER_64 (1<<3)
+#define XLF_EFI_KEXEC (1<<4)
#ifndef __ASSEMBLY__
diff --git a/arch/x86/include/uapi/asm/msr-index.h b/arch/x86/include/uapi/asm/msr-index.h
index 2e4a42d31cf..c19fc60ff06 100644
--- a/arch/x86/include/uapi/asm/msr-index.h
+++ b/arch/x86/include/uapi/asm/msr-index.h
@@ -184,6 +184,7 @@
#define MSR_AMD64_PATCH_LOADER 0xc0010020
#define MSR_AMD64_OSVW_ID_LENGTH 0xc0010140
#define MSR_AMD64_OSVW_STATUS 0xc0010141
+#define MSR_AMD64_LS_CFG 0xc0011020
#define MSR_AMD64_DC_CFG 0xc0011022
#define MSR_AMD64_BU_CFG2 0xc001102a
#define MSR_AMD64_IBSFETCHCTL 0xc0011030
diff --git a/arch/x86/include/uapi/asm/stat.h b/arch/x86/include/uapi/asm/stat.h
index 7b3ddc34858..bc03eb5d636 100644
--- a/arch/x86/include/uapi/asm/stat.h
+++ b/arch/x86/include/uapi/asm/stat.h
@@ -1,6 +1,8 @@
#ifndef _ASM_X86_STAT_H
#define _ASM_X86_STAT_H
+#include <asm/posix_types.h>
+
#define STAT_HAVE_NSEC 1
#ifdef __i386__
@@ -78,26 +80,26 @@ struct stat64 {
#else /* __i386__ */
struct stat {
- unsigned long st_dev;
- unsigned long st_ino;
- unsigned long st_nlink;
-
- unsigned int st_mode;
- unsigned int st_uid;
- unsigned int st_gid;
- unsigned int __pad0;
- unsigned long st_rdev;
- long st_size;
- long st_blksize;
- long st_blocks; /* Number 512-byte blocks allocated. */
-
- unsigned long st_atime;
- unsigned long st_atime_nsec;
- unsigned long st_mtime;
- unsigned long st_mtime_nsec;
- unsigned long st_ctime;
- unsigned long st_ctime_nsec;
- long __unused[3];
+ __kernel_ulong_t st_dev;
+ __kernel_ulong_t st_ino;
+ __kernel_ulong_t st_nlink;
+
+ unsigned int st_mode;
+ unsigned int st_uid;
+ unsigned int st_gid;
+ unsigned int __pad0;
+ __kernel_ulong_t st_rdev;
+ __kernel_long_t st_size;
+ __kernel_long_t st_blksize;
+ __kernel_long_t st_blocks; /* Number 512-byte blocks allocated. */
+
+ __kernel_ulong_t st_atime;
+ __kernel_ulong_t st_atime_nsec;
+ __kernel_ulong_t st_mtime;
+ __kernel_ulong_t st_mtime_nsec;
+ __kernel_ulong_t st_ctime;
+ __kernel_ulong_t st_ctime_nsec;
+ __kernel_long_t __unused[3];
};
/* We don't need to memset the whole thing just to initialize the padding */
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index 9b0a34e2cd7..cb648c84b32 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -29,10 +29,11 @@ obj-$(CONFIG_X86_64) += sys_x86_64.o x8664_ksyms_64.o
obj-y += syscall_$(BITS).o
obj-$(CONFIG_X86_64) += vsyscall_64.o
obj-$(CONFIG_X86_64) += vsyscall_emu_64.o
+obj-$(CONFIG_SYSFS) += ksysfs.o
obj-y += bootflag.o e820.o
obj-y += pci-dma.o quirks.o topology.o kdebugfs.o
obj-y += alternative.o i8253.o pci-nommu.o hw_breakpoint.o
-obj-y += tsc.o io_delay.o rtc.o
+obj-y += tsc.o tsc_msr.o io_delay.o rtc.o
obj-y += pci-iommu_table.o
obj-y += resource.o
@@ -91,15 +92,6 @@ obj-$(CONFIG_PARAVIRT_CLOCK) += pvclock.o
obj-$(CONFIG_PCSPKR_PLATFORM) += pcspeaker.o
-obj-$(CONFIG_MICROCODE_EARLY) += microcode_core_early.o
-obj-$(CONFIG_MICROCODE_INTEL_EARLY) += microcode_intel_early.o
-obj-$(CONFIG_MICROCODE_INTEL_LIB) += microcode_intel_lib.o
-microcode-y := microcode_core.o
-microcode-$(CONFIG_MICROCODE_INTEL) += microcode_intel.o
-microcode-$(CONFIG_MICROCODE_AMD) += microcode_amd.o
-obj-$(CONFIG_MICROCODE_AMD_EARLY) += microcode_amd_early.o
-obj-$(CONFIG_MICROCODE) += microcode.o
-
obj-$(CONFIG_X86_CHECK_BIOS_CORRUPTION) += check.o
obj-$(CONFIG_SWIOTLB) += pci-swiotlb.o
@@ -111,6 +103,7 @@ obj-$(CONFIG_EFI) += sysfb_efi.o
obj-$(CONFIG_PERF_EVENTS) += perf_regs.o
obj-$(CONFIG_TRACING) += tracepoint.o
+obj-$(CONFIG_IOSF_MBI) += iosf_mbi.o
###
# 64 bit specific files
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 6c0b43bd024..d359d0fffa5 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -1034,9 +1034,7 @@ static int mp_config_acpi_gsi(struct device *dev, u32 gsi, int trigger,
if (!acpi_ioapic)
return 0;
- if (!dev)
- return 0;
- if (dev->bus != &pci_bus_type)
+ if (!dev || !dev_is_pci(dev))
return 0;
pdev = to_pci_dev(dev);
diff --git a/arch/x86/kernel/acpi/cstate.c b/arch/x86/kernel/acpi/cstate.c
index d2b7f27781b..e69182fd01c 100644
--- a/arch/x86/kernel/acpi/cstate.c
+++ b/arch/x86/kernel/acpi/cstate.c
@@ -150,29 +150,6 @@ int acpi_processor_ffh_cstate_probe(unsigned int cpu,
}
EXPORT_SYMBOL_GPL(acpi_processor_ffh_cstate_probe);
-/*
- * This uses new MONITOR/MWAIT instructions on P4 processors with PNI,
- * which can obviate IPI to trigger checking of need_resched.
- * We execute MONITOR against need_resched and enter optimized wait state
- * through MWAIT. Whenever someone changes need_resched, we would be woken
- * up from MWAIT (without an IPI).
- *
- * New with Core Duo processors, MWAIT can take some hints based on CPU
- * capability.
- */
-void mwait_idle_with_hints(unsigned long ax, unsigned long cx)
-{
- if (!need_resched()) {
- if (this_cpu_has(X86_FEATURE_CLFLUSH_MONITOR))
- clflush((void *)&current_thread_info()->flags);
-
- __monitor((void *)&current_thread_info()->flags, 0, 0);
- smp_mb();
- if (!need_resched())
- __mwait(ax, cx);
- }
-}
-
void acpi_processor_ffh_cstate_enter(struct acpi_processor_cx *cx)
{
unsigned int cpu = smp_processor_id();
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index d278736bf77..7f26c9a70a9 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -75,6 +75,13 @@ unsigned int max_physical_apicid;
physid_mask_t phys_cpu_present_map;
/*
+ * Processor to be disabled specified by kernel parameter
+ * disable_cpu_apicid=<int>, mostly used for the kdump 2nd kernel to
+ * avoid undefined behaviour caused by sending INIT from AP to BSP.
+ */
+static unsigned int disabled_cpu_apicid __read_mostly = BAD_APICID;
+
+/*
* Map cpu index to physical APIC ID
*/
DEFINE_EARLY_PER_CPU_READ_MOSTLY(u16, x86_cpu_to_apicid, BAD_APICID);
@@ -1968,7 +1975,7 @@ __visible void smp_trace_spurious_interrupt(struct pt_regs *regs)
*/
static inline void __smp_error_interrupt(struct pt_regs *regs)
{
- u32 v0, v1;
+ u32 v;
u32 i = 0;
static const char * const error_interrupt_reason[] = {
"Send CS error", /* APIC Error Bit 0 */
@@ -1982,21 +1989,20 @@ static inline void __smp_error_interrupt(struct pt_regs *regs)
};
/* First tickle the hardware, only then report what went on. -- REW */
- v0 = apic_read(APIC_ESR);
apic_write(APIC_ESR, 0);
- v1 = apic_read(APIC_ESR);
+ v = apic_read(APIC_ESR);
ack_APIC_irq();
atomic_inc(&irq_err_count);
- apic_printk(APIC_DEBUG, KERN_DEBUG "APIC error on CPU%d: %02x(%02x)",
- smp_processor_id(), v0 , v1);
+ apic_printk(APIC_DEBUG, KERN_DEBUG "APIC error on CPU%d: %02x",
+ smp_processor_id(), v);
- v1 = v1 & 0xff;
- while (v1) {
- if (v1 & 0x1)
+ v &= 0xff;
+ while (v) {
+ if (v & 0x1)
apic_printk(APIC_DEBUG, KERN_CONT " : %s", error_interrupt_reason[i]);
i++;
- v1 >>= 1;
+ v >>= 1;
}
apic_printk(APIC_DEBUG, KERN_CONT "\n");
@@ -2115,6 +2121,39 @@ int generic_processor_info(int apicid, int version)
phys_cpu_present_map);
/*
+ * boot_cpu_physical_apicid is designed to have the apicid
+ * returned by read_apic_id(), i.e, the apicid of the
+ * currently booting-up processor. However, on some platforms,
+ * it is temporarily modified by the apicid reported as BSP
+ * through MP table. Concretely:
+ *
+ * - arch/x86/kernel/mpparse.c: MP_processor_info()
+ * - arch/x86/mm/amdtopology.c: amd_numa_init()
+ * - arch/x86/platform/visws/visws_quirks.c: MP_processor_info()
+ *
+ * This function is executed with the modified
+ * boot_cpu_physical_apicid. So, disabled_cpu_apicid kernel
+ * parameter doesn't work to disable APs on kdump 2nd kernel.
+ *
+ * Since fixing handling of boot_cpu_physical_apicid requires
+ * another discussion and tests on each platform, we leave it
+ * for now and here we use read_apic_id() directly in this
+ * function, generic_processor_info().
+ */
+ if (disabled_cpu_apicid != BAD_APICID &&
+ disabled_cpu_apicid != read_apic_id() &&
+ disabled_cpu_apicid == apicid) {
+ int thiscpu = num_processors + disabled_cpus;
+
+ pr_warning("APIC: Disabling requested cpu."
+ " Processor %d/0x%x ignored.\n",
+ thiscpu, apicid);
+
+ disabled_cpus++;
+ return -ENODEV;
+ }
+
+ /*
* If boot cpu has not been detected yet, then only allow upto
* nr_cpu_ids - 1 processors and keep one slot free for boot cpu
*/
@@ -2592,3 +2631,12 @@ static int __init lapic_insert_resource(void)
* that is using request_resource
*/
late_initcall(lapic_insert_resource);
+
+static int __init apic_set_disabled_cpu_apicid(char *arg)
+{
+ if (!arg || !get_option(&arg, &disabled_cpu_apicid))
+ return -EINVAL;
+
+ return 0;
+}
+early_param("disable_cpu_apicid", apic_set_disabled_cpu_apicid);
diff --git a/arch/x86/kernel/apic/apic_flat_64.c b/arch/x86/kernel/apic/apic_flat_64.c
index 00c77cf78e9..5d5b9eb2b7a 100644
--- a/arch/x86/kernel/apic/apic_flat_64.c
+++ b/arch/x86/kernel/apic/apic_flat_64.c
@@ -14,7 +14,6 @@
#include <linux/string.h>
#include <linux/kernel.h>
#include <linux/ctype.h>
-#include <linux/init.h>
#include <linux/hardirq.h>
#include <linux/module.h>
#include <asm/smp.h>
diff --git a/arch/x86/kernel/apic/apic_noop.c b/arch/x86/kernel/apic/apic_noop.c
index e145f28b409..191ce75c0e5 100644
--- a/arch/x86/kernel/apic/apic_noop.c
+++ b/arch/x86/kernel/apic/apic_noop.c
@@ -15,7 +15,6 @@
#include <linux/string.h>
#include <linux/kernel.h>
#include <linux/ctype.h>
-#include <linux/init.h>
#include <linux/errno.h>
#include <asm/fixmap.h>
#include <asm/mpspec.h>
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index e63a5bd2a78..a43f068ebec 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -1142,9 +1142,10 @@ next:
if (test_bit(vector, used_vectors))
goto next;
- for_each_cpu_and(new_cpu, tmp_mask, cpu_online_mask)
- if (per_cpu(vector_irq, new_cpu)[vector] != -1)
+ for_each_cpu_and(new_cpu, tmp_mask, cpu_online_mask) {
+ if (per_cpu(vector_irq, new_cpu)[vector] > VECTOR_UNDEFINED)
goto next;
+ }
/* Found one! */
current_vector = vector;
current_offset = offset;
@@ -1183,7 +1184,7 @@ static void __clear_irq_vector(int irq, struct irq_cfg *cfg)
vector = cfg->vector;
for_each_cpu_and(cpu, cfg->domain, cpu_online_mask)
- per_cpu(vector_irq, cpu)[vector] = -1;
+ per_cpu(vector_irq, cpu)[vector] = VECTOR_UNDEFINED;
cfg->vector = 0;
cpumask_clear(cfg->domain);
@@ -1191,11 +1192,10 @@ static void __clear_irq_vector(int irq, struct irq_cfg *cfg)
if (likely(!cfg->move_in_progress))
return;
for_each_cpu_and(cpu, cfg->old_domain, cpu_online_mask) {
- for (vector = FIRST_EXTERNAL_VECTOR; vector < NR_VECTORS;
- vector++) {
+ for (vector = FIRST_EXTERNAL_VECTOR; vector < NR_VECTORS; vector++) {
if (per_cpu(vector_irq, cpu)[vector] != irq)
continue;
- per_cpu(vector_irq, cpu)[vector] = -1;
+ per_cpu(vector_irq, cpu)[vector] = VECTOR_UNDEFINED;
break;
}
}
@@ -1228,12 +1228,12 @@ void __setup_vector_irq(int cpu)
/* Mark the free vectors */
for (vector = 0; vector < NR_VECTORS; ++vector) {
irq = per_cpu(vector_irq, cpu)[vector];
- if (irq < 0)
+ if (irq <= VECTOR_UNDEFINED)
continue;
cfg = irq_cfg(irq);
if (!cpumask_test_cpu(cpu, cfg->domain))
- per_cpu(vector_irq, cpu)[vector] = -1;
+ per_cpu(vector_irq, cpu)[vector] = VECTOR_UNDEFINED;
}
raw_spin_unlock(&vector_lock);
}
@@ -2202,13 +2202,13 @@ asmlinkage void smp_irq_move_cleanup_interrupt(void)
me = smp_processor_id();
for (vector = FIRST_EXTERNAL_VECTOR; vector < NR_VECTORS; vector++) {
- unsigned int irq;
+ int irq;
unsigned int irr;
struct irq_desc *desc;
struct irq_cfg *cfg;
irq = __this_cpu_read(vector_irq[vector]);
- if (irq == -1)
+ if (irq <= VECTOR_UNDEFINED)
continue;
desc = irq_to_desc(irq);
diff --git a/arch/x86/kernel/apic/ipi.c b/arch/x86/kernel/apic/ipi.c
index 7434d8556d0..62071569bd5 100644
--- a/arch/x86/kernel/apic/ipi.c
+++ b/arch/x86/kernel/apic/ipi.c
@@ -1,6 +1,5 @@
#include <linux/cpumask.h>
#include <linux/interrupt.h>
-#include <linux/init.h>
#include <linux/mm.h>
#include <linux/delay.h>
diff --git a/arch/x86/kernel/apic/summit_32.c b/arch/x86/kernel/apic/summit_32.c
index 77c95c0e1bf..00146f9b025 100644
--- a/arch/x86/kernel/apic/summit_32.c
+++ b/arch/x86/kernel/apic/summit_32.c
@@ -29,7 +29,6 @@
#define pr_fmt(fmt) "summit: %s: " fmt, __func__
#include <linux/mm.h>
-#include <linux/init.h>
#include <asm/io.h>
#include <asm/bios_ebda.h>
diff --git a/arch/x86/kernel/apic/x2apic_cluster.c b/arch/x86/kernel/apic/x2apic_cluster.c
index 140e29db478..cac85ee6913 100644
--- a/arch/x86/kernel/apic/x2apic_cluster.c
+++ b/arch/x86/kernel/apic/x2apic_cluster.c
@@ -3,7 +3,6 @@
#include <linux/string.h>
#include <linux/kernel.h>
#include <linux/ctype.h>
-#include <linux/init.h>
#include <linux/dmar.h>
#include <linux/cpu.h>
diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c
index 562a76d433c..de231e328ca 100644
--- a/arch/x86/kernel/apic/x2apic_phys.c
+++ b/arch/x86/kernel/apic/x2apic_phys.c
@@ -3,7 +3,6 @@
#include <linux/string.h>
#include <linux/kernel.h>
#include <linux/ctype.h>
-#include <linux/init.h>
#include <linux/dmar.h>
#include <asm/smp.h>
diff --git a/arch/x86/kernel/check.c b/arch/x86/kernel/check.c
index e2dbcb7dabd..83a7995625a 100644
--- a/arch/x86/kernel/check.c
+++ b/arch/x86/kernel/check.c
@@ -91,7 +91,7 @@ void __init setup_bios_corruption_check(void)
corruption_check_size = round_up(corruption_check_size, PAGE_SIZE);
- for_each_free_mem_range(i, MAX_NUMNODES, &start, &end, NULL) {
+ for_each_free_mem_range(i, NUMA_NO_NODE, &start, &end, NULL) {
start = clamp_t(phys_addr_t, round_up(start, PAGE_SIZE),
PAGE_SIZE, corruption_check_size);
end = clamp_t(phys_addr_t, round_down(end, PAGE_SIZE),
diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile
index 47b56a7e99c..7fd54f09b01 100644
--- a/arch/x86/kernel/cpu/Makefile
+++ b/arch/x86/kernel/cpu/Makefile
@@ -36,12 +36,13 @@ obj-$(CONFIG_CPU_SUP_AMD) += perf_event_amd_iommu.o
endif
obj-$(CONFIG_CPU_SUP_INTEL) += perf_event_p6.o perf_event_knc.o perf_event_p4.o
obj-$(CONFIG_CPU_SUP_INTEL) += perf_event_intel_lbr.o perf_event_intel_ds.o perf_event_intel.o
-obj-$(CONFIG_CPU_SUP_INTEL) += perf_event_intel_uncore.o
+obj-$(CONFIG_CPU_SUP_INTEL) += perf_event_intel_uncore.o perf_event_intel_rapl.o
endif
obj-$(CONFIG_X86_MCE) += mcheck/
obj-$(CONFIG_MTRR) += mtrr/
+obj-$(CONFIG_MICROCODE) += microcode/
obj-$(CONFIG_X86_LOCAL_APIC) += perfctr-watchdog.o perf_event_amd_ibs.o
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index bca023bdd6b..d3153e281d7 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -1,5 +1,4 @@
#include <linux/export.h>
-#include <linux/init.h>
#include <linux/bitops.h>
#include <linux/elf.h>
#include <linux/mm.h>
@@ -487,7 +486,7 @@ static void early_init_amd(struct cpuinfo_x86 *c)
set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC);
set_cpu_cap(c, X86_FEATURE_NONSTOP_TSC);
if (!check_tsc_unstable())
- sched_clock_stable = 1;
+ set_sched_clock_stable();
}
#ifdef CONFIG_X86_64
@@ -508,6 +507,16 @@ static void early_init_amd(struct cpuinfo_x86 *c)
set_cpu_cap(c, X86_FEATURE_EXTD_APICID);
}
#endif
+
+ /* F16h erratum 793, CVE-2013-6885 */
+ if (c->x86 == 0x16 && c->x86_model <= 0xf) {
+ u64 val;
+
+ rdmsrl(MSR_AMD64_LS_CFG, val);
+ if (!(val & BIT(15)))
+ wrmsrl(MSR_AMD64_LS_CFG, val | BIT(15));
+ }
+
}
static const int amd_erratum_383[];
@@ -790,14 +799,10 @@ static void cpu_detect_tlb_amd(struct cpuinfo_x86 *c)
}
/* Handle DTLB 2M and 4M sizes, fall back to L1 if L2 is disabled */
- if (!((eax >> 16) & mask)) {
- u32 a, b, c, d;
-
- cpuid(0x80000005, &a, &b, &c, &d);
- tlb_lld_2m[ENTRIES] = (a >> 16) & 0xff;
- } else {
+ if (!((eax >> 16) & mask))
+ tlb_lld_2m[ENTRIES] = (cpuid_eax(0x80000005) >> 16) & 0xff;
+ else
tlb_lld_2m[ENTRIES] = (eax >> 16) & mask;
- }
/* a 4M entry uses two 2M entries */
tlb_lld_4m[ENTRIES] = tlb_lld_2m[ENTRIES] >> 1;
diff --git a/arch/x86/kernel/cpu/centaur.c b/arch/x86/kernel/cpu/centaur.c
index 8d5652dc99d..8779edab684 100644
--- a/arch/x86/kernel/cpu/centaur.c
+++ b/arch/x86/kernel/cpu/centaur.c
@@ -1,6 +1,5 @@
#include <linux/bitops.h>
#include <linux/kernel.h>
-#include <linux/init.h>
#include <asm/processor.h>
#include <asm/e820.h>
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 6abc172b825..24b6fd10625 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -472,6 +472,7 @@ u16 __read_mostly tlb_lli_4m[NR_INFO];
u16 __read_mostly tlb_lld_4k[NR_INFO];
u16 __read_mostly tlb_lld_2m[NR_INFO];
u16 __read_mostly tlb_lld_4m[NR_INFO];
+u16 __read_mostly tlb_lld_1g[NR_INFO];
/*
* tlb_flushall_shift shows the balance point in replacing cr3 write
@@ -486,13 +487,13 @@ void cpu_detect_tlb(struct cpuinfo_x86 *c)
if (this_cpu->c_detect_tlb)
this_cpu->c_detect_tlb(c);
- printk(KERN_INFO "Last level iTLB entries: 4KB %d, 2MB %d, 4MB %d\n" \
- "Last level dTLB entries: 4KB %d, 2MB %d, 4MB %d\n" \
+ printk(KERN_INFO "Last level iTLB entries: 4KB %d, 2MB %d, 4MB %d\n"
+ "Last level dTLB entries: 4KB %d, 2MB %d, 4MB %d, 1GB %d\n"
"tlb_flushall_shift: %d\n",
tlb_lli_4k[ENTRIES], tlb_lli_2m[ENTRIES],
tlb_lli_4m[ENTRIES], tlb_lld_4k[ENTRIES],
tlb_lld_2m[ENTRIES], tlb_lld_4m[ENTRIES],
- tlb_flushall_shift);
+ tlb_lld_1g[ENTRIES], tlb_flushall_shift);
}
void detect_ht(struct cpuinfo_x86 *c)
diff --git a/arch/x86/kernel/cpu/cyrix.c b/arch/x86/kernel/cpu/cyrix.c
index d0969c75ab5..aaf152e7963 100644
--- a/arch/x86/kernel/cpu/cyrix.c
+++ b/arch/x86/kernel/cpu/cyrix.c
@@ -1,4 +1,3 @@
-#include <linux/init.h>
#include <linux/bitops.h>
#include <linux/delay.h>
#include <linux/pci.h>
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index dc1ec0dff93..3db61c644e4 100644
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -1,4 +1,3 @@
-#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/string.h>
@@ -93,7 +92,7 @@ static void early_init_intel(struct cpuinfo_x86 *c)
set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC);
set_cpu_cap(c, X86_FEATURE_NONSTOP_TSC);
if (!check_tsc_unstable())
- sched_clock_stable = 1;
+ set_sched_clock_stable();
}
/* Penwell and Cloverview have the TSC which doesn't sleep on S3 */
@@ -387,7 +386,8 @@ static void init_intel(struct cpuinfo_x86 *c)
set_cpu_cap(c, X86_FEATURE_PEBS);
}
- if (c->x86 == 6 && c->x86_model == 29 && cpu_has_clflush)
+ if (c->x86 == 6 && cpu_has_clflush &&
+ (c->x86_model == 29 || c->x86_model == 46 || c->x86_model == 47))
set_cpu_cap(c, X86_FEATURE_CLFLUSH_MONITOR);
#ifdef CONFIG_X86_64
@@ -505,6 +505,7 @@ static unsigned int intel_size_cache(struct cpuinfo_x86 *c, unsigned int size)
#define TLB_DATA0_2M_4M 0x23
#define STLB_4K 0x41
+#define STLB_4K_2M 0x42
static const struct _tlb_table intel_tlb_table[] = {
{ 0x01, TLB_INST_4K, 32, " TLB_INST 4 KByte pages, 4-way set associative" },
@@ -525,13 +526,20 @@ static const struct _tlb_table intel_tlb_table[] = {
{ 0x5b, TLB_DATA_4K_4M, 64, " TLB_DATA 4 KByte and 4 MByte pages" },
{ 0x5c, TLB_DATA_4K_4M, 128, " TLB_DATA 4 KByte and 4 MByte pages" },
{ 0x5d, TLB_DATA_4K_4M, 256, " TLB_DATA 4 KByte and 4 MByte pages" },
+ { 0x61, TLB_INST_4K, 48, " TLB_INST 4 KByte pages, full associative" },
+ { 0x63, TLB_DATA_1G, 4, " TLB_DATA 1 GByte pages, 4-way set associative" },
+ { 0x76, TLB_INST_2M_4M, 8, " TLB_INST 2-MByte or 4-MByte pages, fully associative" },
{ 0xb0, TLB_INST_4K, 128, " TLB_INST 4 KByte pages, 4-way set associative" },
{ 0xb1, TLB_INST_2M_4M, 4, " TLB_INST 2M pages, 4-way, 8 entries or 4M pages, 4-way entries" },
{ 0xb2, TLB_INST_4K, 64, " TLB_INST 4KByte pages, 4-way set associative" },
{ 0xb3, TLB_DATA_4K, 128, " TLB_DATA 4 KByte pages, 4-way set associative" },
{ 0xb4, TLB_DATA_4K, 256, " TLB_DATA 4 KByte pages, 4-way associative" },
+ { 0xb5, TLB_INST_4K, 64, " TLB_INST 4 KByte pages, 8-way set ssociative" },
+ { 0xb6, TLB_INST_4K, 128, " TLB_INST 4 KByte pages, 8-way set ssociative" },
{ 0xba, TLB_DATA_4K, 64, " TLB_DATA 4 KByte pages, 4-way associative" },
{ 0xc0, TLB_DATA_4K_4M, 8, " TLB_DATA 4 KByte and 4 MByte pages, 4-way associative" },
+ { 0xc1, STLB_4K_2M, 1024, " STLB 4 KByte and 2 MByte pages, 8-way associative" },
+ { 0xc2, TLB_DATA_2M_4M, 16, " DTLB 2 MByte/4MByte pages, 4-way associative" },
{ 0xca, STLB_4K, 512, " STLB 4 KByte pages, 4-way associative" },
{ 0x00, 0, 0 }
};
@@ -557,6 +565,20 @@ static void intel_tlb_lookup(const unsigned char desc)
if (tlb_lld_4k[ENTRIES] < intel_tlb_table[k].entries)
tlb_lld_4k[ENTRIES] = intel_tlb_table[k].entries;
break;
+ case STLB_4K_2M:
+ if (tlb_lli_4k[ENTRIES] < intel_tlb_table[k].entries)
+ tlb_lli_4k[ENTRIES] = intel_tlb_table[k].entries;
+ if (tlb_lld_4k[ENTRIES] < intel_tlb_table[k].entries)
+ tlb_lld_4k[ENTRIES] = intel_tlb_table[k].entries;
+ if (tlb_lli_2m[ENTRIES] < intel_tlb_table[k].entries)
+ tlb_lli_2m[ENTRIES] = intel_tlb_table[k].entries;
+ if (tlb_lld_2m[ENTRIES] < intel_tlb_table[k].entries)
+ tlb_lld_2m[ENTRIES] = intel_tlb_table[k].entries;
+ if (tlb_lli_4m[ENTRIES] < intel_tlb_table[k].entries)
+ tlb_lli_4m[ENTRIES] = intel_tlb_table[k].entries;
+ if (tlb_lld_4m[ENTRIES] < intel_tlb_table[k].entries)
+ tlb_lld_4m[ENTRIES] = intel_tlb_table[k].entries;
+ break;
case TLB_INST_ALL:
if (tlb_lli_4k[ENTRIES] < intel_tlb_table[k].entries)
tlb_lli_4k[ENTRIES] = intel_tlb_table[k].entries;
@@ -602,6 +624,10 @@ static void intel_tlb_lookup(const unsigned char desc)
if (tlb_lld_4m[ENTRIES] < intel_tlb_table[k].entries)
tlb_lld_4m[ENTRIES] = intel_tlb_table[k].entries;
break;
+ case TLB_DATA_1G:
+ if (tlb_lld_1g[ENTRIES] < intel_tlb_table[k].entries)
+ tlb_lld_1g[ENTRIES] = intel_tlb_table[k].entries;
+ break;
}
}
diff --git a/arch/x86/kernel/cpu/mcheck/mce-apei.c b/arch/x86/kernel/cpu/mcheck/mce-apei.c
index de8b60a53f6..a1aef953315 100644
--- a/arch/x86/kernel/cpu/mcheck/mce-apei.c
+++ b/arch/x86/kernel/cpu/mcheck/mce-apei.c
@@ -33,22 +33,28 @@
#include <linux/acpi.h>
#include <linux/cper.h>
#include <acpi/apei.h>
+#include <acpi/ghes.h>
#include <asm/mce.h>
#include "mce-internal.h"
-void apei_mce_report_mem_error(int corrected, struct cper_sec_mem_err *mem_err)
+void apei_mce_report_mem_error(int severity, struct cper_sec_mem_err *mem_err)
{
struct mce m;
- /* Only corrected MC is reported */
- if (!corrected || !(mem_err->validation_bits & CPER_MEM_VALID_PA))
+ if (!(mem_err->validation_bits & CPER_MEM_VALID_PA))
return;
mce_setup(&m);
m.bank = 1;
- /* Fake a memory read corrected error with unknown channel */
+ /* Fake a memory read error with unknown channel */
m.status = MCI_STATUS_VAL | MCI_STATUS_EN | MCI_STATUS_ADDRV | 0x9f;
+
+ if (severity >= GHES_SEV_RECOVERABLE)
+ m.status |= MCI_STATUS_UC;
+ if (severity >= GHES_SEV_PANIC)
+ m.status |= MCI_STATUS_PCC;
+
m.addr = mem_err->physical_addr;
mce_log(&m);
mce_notify_irq();
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index b3218cdee95..4d5419b249d 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -1638,15 +1638,15 @@ static void __mcheck_cpu_init_vendor(struct cpuinfo_x86 *c)
static void mce_start_timer(unsigned int cpu, struct timer_list *t)
{
- unsigned long iv = mce_adjust_timer(check_interval * HZ);
-
- __this_cpu_write(mce_next_interval, iv);
+ unsigned long iv = check_interval * HZ;
if (mca_cfg.ignore_ce || !iv)
return;
+ per_cpu(mce_next_interval, cpu) = iv;
+
t->expires = round_jiffies(jiffies + iv);
- add_timer_on(t, smp_processor_id());
+ add_timer_on(t, cpu);
}
static void __mcheck_cpu_init_timer(void)
@@ -2272,8 +2272,10 @@ static int mce_device_create(unsigned int cpu)
dev->release = &mce_device_release;
err = device_register(dev);
- if (err)
+ if (err) {
+ put_device(dev);
return err;
+ }
for (i = 0; mce_device_attrs[i]; i++) {
err = device_create_file(dev, mce_device_attrs[i]);
diff --git a/arch/x86/kernel/cpu/mcheck/mce_intel.c b/arch/x86/kernel/cpu/mcheck/mce_intel.c
index 4cfe0458ca6..fb6156fee6f 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_intel.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_intel.c
@@ -6,7 +6,6 @@
*/
#include <linux/gfp.h>
-#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/percpu.h>
#include <linux/sched.h>
diff --git a/arch/x86/kernel/cpu/mcheck/p5.c b/arch/x86/kernel/cpu/mcheck/p5.c
index 1c044b1ccc5..a3042989398 100644
--- a/arch/x86/kernel/cpu/mcheck/p5.c
+++ b/arch/x86/kernel/cpu/mcheck/p5.c
@@ -5,7 +5,6 @@
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/types.h>
-#include <linux/init.h>
#include <linux/smp.h>
#include <asm/processor.h>
diff --git a/arch/x86/kernel/cpu/mcheck/winchip.c b/arch/x86/kernel/cpu/mcheck/winchip.c
index e9a701aecaa..7dc5564d0cd 100644
--- a/arch/x86/kernel/cpu/mcheck/winchip.c
+++ b/arch/x86/kernel/cpu/mcheck/winchip.c
@@ -5,7 +5,6 @@
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/types.h>
-#include <linux/init.h>
#include <asm/processor.h>
#include <asm/mce.h>
diff --git a/arch/x86/kernel/cpu/microcode/Makefile b/arch/x86/kernel/cpu/microcode/Makefile
new file mode 100644
index 00000000000..285c85427c3
--- /dev/null
+++ b/arch/x86/kernel/cpu/microcode/Makefile
@@ -0,0 +1,7 @@
+microcode-y := core.o
+obj-$(CONFIG_MICROCODE) += microcode.o
+microcode-$(CONFIG_MICROCODE_INTEL) += intel.o intel_lib.o
+microcode-$(CONFIG_MICROCODE_AMD) += amd.o
+obj-$(CONFIG_MICROCODE_EARLY) += core_early.o
+obj-$(CONFIG_MICROCODE_INTEL_EARLY) += intel_early.o
+obj-$(CONFIG_MICROCODE_AMD_EARLY) += amd_early.o
diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/cpu/microcode/amd.c
index c3d4cc972ec..8fffd845e22 100644
--- a/arch/x86/kernel/microcode_amd.c
+++ b/arch/x86/kernel/cpu/microcode/amd.c
@@ -182,10 +182,10 @@ int __apply_microcode_amd(struct microcode_amd *mc_amd)
{
u32 rev, dummy;
- wrmsrl(MSR_AMD64_PATCH_LOADER, (u64)(long)&mc_amd->hdr.data_code);
+ native_wrmsrl(MSR_AMD64_PATCH_LOADER, (u64)(long)&mc_amd->hdr.data_code);
/* verify patch application was successful */
- rdmsr(MSR_AMD64_PATCH_LEVEL, rev, dummy);
+ native_rdmsr(MSR_AMD64_PATCH_LEVEL, rev, dummy);
if (rev != mc_amd->hdr.patch_id)
return -1;
@@ -332,6 +332,9 @@ static int verify_and_add_patch(u8 family, u8 *fw, unsigned int leftover)
patch->patch_id = mc_hdr->patch_id;
patch->equiv_cpu = proc_id;
+ pr_debug("%s: Added patch_id: 0x%08x, proc_id: 0x%04x\n",
+ __func__, patch->patch_id, proc_id);
+
/* ... and add to cache. */
update_cache(patch);
@@ -390,9 +393,9 @@ enum ucode_state load_microcode_amd(u8 family, const u8 *data, size_t size)
if (cpu_data(smp_processor_id()).cpu_index == boot_cpu_data.cpu_index) {
struct ucode_patch *p = find_patch(smp_processor_id());
if (p) {
- memset(amd_bsp_mpb, 0, MPB_MAX_SIZE);
- memcpy(amd_bsp_mpb, p->data, min_t(u32, ksize(p->data),
- MPB_MAX_SIZE));
+ memset(amd_ucode_patch, 0, PATCH_MAX_SIZE);
+ memcpy(amd_ucode_patch, p->data, min_t(u32, ksize(p->data),
+ PATCH_MAX_SIZE));
}
}
#endif
@@ -430,7 +433,7 @@ static enum ucode_state request_microcode_amd(int cpu, struct device *device,
if (c->x86 >= 0x15)
snprintf(fw_name, sizeof(fw_name), "amd-ucode/microcode_amd_fam%.2xh.bin", c->x86);
- if (request_firmware(&fw, (const char *)fw_name, device)) {
+ if (request_firmware_direct(&fw, (const char *)fw_name, device)) {
pr_debug("failed to load file %s\n", fw_name);
goto out;
}
diff --git a/arch/x86/kernel/microcode_amd_early.c b/arch/x86/kernel/cpu/microcode/amd_early.c
index 6073104ccaa..8384c0fa206 100644
--- a/arch/x86/kernel/microcode_amd_early.c
+++ b/arch/x86/kernel/cpu/microcode/amd_early.c
@@ -2,6 +2,7 @@
* Copyright (C) 2013 Advanced Micro Devices, Inc.
*
* Author: Jacob Shin <jacob.shin@amd.com>
+ * Fixes: Borislav Petkov <bp@suse.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -15,10 +16,18 @@
#include <asm/setup.h>
#include <asm/microcode_amd.h>
-static bool ucode_loaded;
+/*
+ * This points to the current valid container of microcode patches which we will
+ * save from the initrd before jettisoning its contents.
+ */
+static u8 *container;
+static size_t container_size;
+
static u32 ucode_new_rev;
-static unsigned long ucode_offset;
-static size_t ucode_size;
+u8 amd_ucode_patch[PATCH_MAX_SIZE];
+static u16 this_equiv_id;
+
+struct cpio_data ucode_cpio;
/*
* Microcode patch container file is prepended to the initrd in cpio format.
@@ -32,9 +41,6 @@ static struct cpio_data __init find_ucode_in_initrd(void)
char *path;
void *start;
size_t size;
- unsigned long *uoffset;
- size_t *usize;
- struct cpio_data cd;
#ifdef CONFIG_X86_32
struct boot_params *p;
@@ -47,30 +53,50 @@ static struct cpio_data __init find_ucode_in_initrd(void)
path = (char *)__pa_nodebug(ucode_path);
start = (void *)p->hdr.ramdisk_image;
size = p->hdr.ramdisk_size;
- uoffset = (unsigned long *)__pa_nodebug(&ucode_offset);
- usize = (size_t *)__pa_nodebug(&ucode_size);
#else
path = ucode_path;
start = (void *)(boot_params.hdr.ramdisk_image + PAGE_OFFSET);
size = boot_params.hdr.ramdisk_size;
- uoffset = &ucode_offset;
- usize = &ucode_size;
#endif
- cd = find_cpio_data(path, start, size, &offset);
- if (!cd.data)
- return cd;
+ return find_cpio_data(path, start, size, &offset);
+}
- if (*(u32 *)cd.data != UCODE_MAGIC) {
- cd.data = NULL;
- cd.size = 0;
- return cd;
- }
+static size_t compute_container_size(u8 *data, u32 total_size)
+{
+ size_t size = 0;
+ u32 *header = (u32 *)data;
- *uoffset = (u8 *)cd.data - (u8 *)start;
- *usize = cd.size;
+ if (header[0] != UCODE_MAGIC ||
+ header[1] != UCODE_EQUIV_CPU_TABLE_TYPE || /* type */
+ header[2] == 0) /* size */
+ return size;
- return cd;
+ size = header[2] + CONTAINER_HDR_SZ;
+ total_size -= size;
+ data += size;
+
+ while (total_size) {
+ u16 patch_size;
+
+ header = (u32 *)data;
+
+ if (header[0] != UCODE_UCODE_TYPE)
+ break;
+
+ /*
+ * Sanity-check patch size.
+ */
+ patch_size = header[1];
+ if (patch_size > PATCH_MAX_SIZE)
+ break;
+
+ size += patch_size + SECTION_HDR_SIZE;
+ data += patch_size + SECTION_HDR_SIZE;
+ total_size -= patch_size + SECTION_HDR_SIZE;
+ }
+
+ return size;
}
/*
@@ -85,23 +111,22 @@ static struct cpio_data __init find_ucode_in_initrd(void)
static void apply_ucode_in_initrd(void *ucode, size_t size)
{
struct equiv_cpu_entry *eq;
+ size_t *cont_sz;
u32 *header;
- u8 *data;
+ u8 *data, **cont;
u16 eq_id = 0;
int offset, left;
- u32 rev, eax;
+ u32 rev, eax, ebx, ecx, edx;
u32 *new_rev;
- unsigned long *uoffset;
- size_t *usize;
#ifdef CONFIG_X86_32
new_rev = (u32 *)__pa_nodebug(&ucode_new_rev);
- uoffset = (unsigned long *)__pa_nodebug(&ucode_offset);
- usize = (size_t *)__pa_nodebug(&ucode_size);
+ cont_sz = (size_t *)__pa_nodebug(&container_size);
+ cont = (u8 **)__pa_nodebug(&container);
#else
new_rev = &ucode_new_rev;
- uoffset = &ucode_offset;
- usize = &ucode_size;
+ cont_sz = &container_size;
+ cont = &container;
#endif
data = ucode;
@@ -109,23 +134,37 @@ static void apply_ucode_in_initrd(void *ucode, size_t size)
header = (u32 *)data;
/* find equiv cpu table */
-
- if (header[1] != UCODE_EQUIV_CPU_TABLE_TYPE || /* type */
+ if (header[0] != UCODE_MAGIC ||
+ header[1] != UCODE_EQUIV_CPU_TABLE_TYPE || /* type */
header[2] == 0) /* size */
return;
- eax = cpuid_eax(0x00000001);
+ eax = 0x00000001;
+ ecx = 0;
+ native_cpuid(&eax, &ebx, &ecx, &edx);
while (left > 0) {
eq = (struct equiv_cpu_entry *)(data + CONTAINER_HDR_SZ);
+ *cont = data;
+
+ /* Advance past the container header */
offset = header[2] + CONTAINER_HDR_SZ;
data += offset;
left -= offset;
eq_id = find_equiv_id(eq, eax);
- if (eq_id)
+ if (eq_id) {
+ this_equiv_id = eq_id;
+ *cont_sz = compute_container_size(*cont, left + offset);
+
+ /*
+ * truncate how much we need to iterate over in the
+ * ucode update loop below
+ */
+ left = *cont_sz - offset;
break;
+ }
/*
* support multiple container files appended together. if this
@@ -145,19 +184,18 @@ static void apply_ucode_in_initrd(void *ucode, size_t size)
/* mark where the next microcode container file starts */
offset = data - (u8 *)ucode;
- *uoffset += offset;
- *usize -= offset;
ucode = data;
}
if (!eq_id) {
- *usize = 0;
+ *cont = NULL;
+ *cont_sz = 0;
return;
}
/* find ucode and update if needed */
- rdmsr(MSR_AMD64_PATCH_LEVEL, rev, eax);
+ native_rdmsr(MSR_AMD64_PATCH_LEVEL, rev, eax);
while (left > 0) {
struct microcode_amd *mc;
@@ -168,73 +206,83 @@ static void apply_ucode_in_initrd(void *ucode, size_t size)
break;
mc = (struct microcode_amd *)(data + SECTION_HDR_SIZE);
- if (eq_id == mc->hdr.processor_rev_id && rev < mc->hdr.patch_id)
- if (__apply_microcode_amd(mc) == 0) {
+
+ if (eq_id == mc->hdr.processor_rev_id && rev < mc->hdr.patch_id) {
+
+ if (!__apply_microcode_amd(mc)) {
rev = mc->hdr.patch_id;
*new_rev = rev;
+
+ /* save ucode patch */
+ memcpy(amd_ucode_patch, mc,
+ min_t(u32, header[1], PATCH_MAX_SIZE));
}
+ }
offset = header[1] + SECTION_HDR_SIZE;
data += offset;
left -= offset;
}
-
- /* mark where this microcode container file ends */
- offset = *usize - (data - (u8 *)ucode);
- *usize -= offset;
-
- if (!(*new_rev))
- *usize = 0;
}
void __init load_ucode_amd_bsp(void)
{
- struct cpio_data cd = find_ucode_in_initrd();
- if (!cd.data)
+ struct cpio_data cp;
+ void **data;
+ size_t *size;
+
+#ifdef CONFIG_X86_32
+ data = (void **)__pa_nodebug(&ucode_cpio.data);
+ size = (size_t *)__pa_nodebug(&ucode_cpio.size);
+#else
+ data = &ucode_cpio.data;
+ size = &ucode_cpio.size;
+#endif
+
+ cp = find_ucode_in_initrd();
+ if (!cp.data)
return;
- apply_ucode_in_initrd(cd.data, cd.size);
+ *data = cp.data;
+ *size = cp.size;
+
+ apply_ucode_in_initrd(cp.data, cp.size);
}
#ifdef CONFIG_X86_32
-u8 amd_bsp_mpb[MPB_MAX_SIZE];
-
/*
* On 32-bit, since AP's early load occurs before paging is turned on, we
* cannot traverse cpu_equiv_table and pcache in kernel heap memory. So during
* cold boot, AP will apply_ucode_in_initrd() just like the BSP. During
- * save_microcode_in_initrd_amd() BSP's patch is copied to amd_bsp_mpb, which
- * is used upon resume from suspend.
+ * save_microcode_in_initrd_amd() BSP's patch is copied to amd_ucode_patch,
+ * which is used upon resume from suspend.
*/
void load_ucode_amd_ap(void)
{
struct microcode_amd *mc;
- unsigned long *initrd;
- unsigned long *uoffset;
size_t *usize;
- void *ucode;
+ void **ucode;
- mc = (struct microcode_amd *)__pa(amd_bsp_mpb);
+ mc = (struct microcode_amd *)__pa(amd_ucode_patch);
if (mc->hdr.patch_id && mc->hdr.processor_rev_id) {
__apply_microcode_amd(mc);
return;
}
- initrd = (unsigned long *)__pa(&initrd_start);
- uoffset = (unsigned long *)__pa(&ucode_offset);
- usize = (size_t *)__pa(&ucode_size);
+ ucode = (void *)__pa_nodebug(&container);
+ usize = (size_t *)__pa_nodebug(&container_size);
- if (!*usize || !*initrd)
+ if (!*ucode || !*usize)
return;
- ucode = (void *)((unsigned long)__pa(*initrd) + *uoffset);
- apply_ucode_in_initrd(ucode, *usize);
+ apply_ucode_in_initrd(*ucode, *usize);
}
static void __init collect_cpu_sig_on_bsp(void *arg)
{
unsigned int cpu = smp_processor_id();
struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
+
uci->cpu_sig.sig = cpuid_eax(0x00000001);
}
#else
@@ -242,36 +290,54 @@ void load_ucode_amd_ap(void)
{
unsigned int cpu = smp_processor_id();
struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
+ struct equiv_cpu_entry *eq;
+ struct microcode_amd *mc;
u32 rev, eax;
+ u16 eq_id;
+
+ /* Exit if called on the BSP. */
+ if (!cpu)
+ return;
+
+ if (!container)
+ return;
rdmsr(MSR_AMD64_PATCH_LEVEL, rev, eax);
- eax = cpuid_eax(0x00000001);
uci->cpu_sig.rev = rev;
uci->cpu_sig.sig = eax;
- if (cpu && !ucode_loaded) {
- void *ucode;
+ eax = cpuid_eax(0x00000001);
+ eq = (struct equiv_cpu_entry *)(container + CONTAINER_HDR_SZ);
- if (!ucode_size || !initrd_start)
- return;
+ eq_id = find_equiv_id(eq, eax);
+ if (!eq_id)
+ return;
+
+ if (eq_id == this_equiv_id) {
+ mc = (struct microcode_amd *)amd_ucode_patch;
- ucode = (void *)(initrd_start + ucode_offset);
- eax = ((eax >> 8) & 0xf) + ((eax >> 20) & 0xff);
- if (load_microcode_amd(eax, ucode, ucode_size) != UCODE_OK)
+ if (mc && rev < mc->hdr.patch_id) {
+ if (!__apply_microcode_amd(mc))
+ ucode_new_rev = mc->hdr.patch_id;
+ }
+
+ } else {
+ if (!ucode_cpio.data)
return;
- ucode_loaded = true;
+ /*
+ * AP has a different equivalence ID than BSP, looks like
+ * mixed-steppings silicon so go through the ucode blob anew.
+ */
+ apply_ucode_in_initrd(ucode_cpio.data, ucode_cpio.size);
}
-
- apply_microcode_amd(cpu);
}
#endif
int __init save_microcode_in_initrd_amd(void)
{
enum ucode_state ret;
- void *ucode;
u32 eax;
#ifdef CONFIG_X86_32
@@ -280,22 +346,35 @@ int __init save_microcode_in_initrd_amd(void)
if (!uci->cpu_sig.sig)
smp_call_function_single(bsp, collect_cpu_sig_on_bsp, NULL, 1);
+
+ /*
+ * Take into account the fact that the ramdisk might get relocated
+ * and therefore we need to recompute the container's position in
+ * virtual memory space.
+ */
+ container = (u8 *)(__va((u32)relocated_ramdisk) +
+ ((u32)container - boot_params.hdr.ramdisk_image));
#endif
if (ucode_new_rev)
pr_info("microcode: updated early to new patch_level=0x%08x\n",
ucode_new_rev);
- if (ucode_loaded || !ucode_size || !initrd_start)
- return 0;
+ if (!container)
+ return -EINVAL;
- ucode = (void *)(initrd_start + ucode_offset);
eax = cpuid_eax(0x00000001);
eax = ((eax >> 8) & 0xf) + ((eax >> 20) & 0xff);
- ret = load_microcode_amd(eax, ucode, ucode_size);
+ ret = load_microcode_amd(eax, container, container_size);
if (ret != UCODE_OK)
return -EINVAL;
- ucode_loaded = true;
+ /*
+ * This will be freed any msec now, stash patches for the current
+ * family and switch to patch cache for cpu hotplug, etc later.
+ */
+ container = NULL;
+ container_size = 0;
+
return 0;
}
diff --git a/arch/x86/kernel/microcode_core.c b/arch/x86/kernel/cpu/microcode/core.c
index 15c987698b0..15c987698b0 100644
--- a/arch/x86/kernel/microcode_core.c
+++ b/arch/x86/kernel/cpu/microcode/core.c
diff --git a/arch/x86/kernel/microcode_core_early.c b/arch/x86/kernel/cpu/microcode/core_early.c
index be7f8514f57..be7f8514f57 100644
--- a/arch/x86/kernel/microcode_core_early.c
+++ b/arch/x86/kernel/cpu/microcode/core_early.c
diff --git a/arch/x86/kernel/microcode_intel.c b/arch/x86/kernel/cpu/microcode/intel.c
index 5fb2cebf556..a276fa75d9b 100644
--- a/arch/x86/kernel/microcode_intel.c
+++ b/arch/x86/kernel/cpu/microcode/intel.c
@@ -278,7 +278,7 @@ static enum ucode_state request_microcode_fw(int cpu, struct device *device,
sprintf(name, "intel-ucode/%02x-%02x-%02x",
c->x86, c->x86_model, c->x86_mask);
- if (request_firmware(&firmware, name, device)) {
+ if (request_firmware_direct(&firmware, name, device)) {
pr_debug("data file %s load failed\n", name);
return UCODE_NFOUND;
}
diff --git a/arch/x86/kernel/microcode_intel_early.c b/arch/x86/kernel/cpu/microcode/intel_early.c
index 1575deb2e63..18f739129e7 100644
--- a/arch/x86/kernel/microcode_intel_early.c
+++ b/arch/x86/kernel/cpu/microcode/intel_early.c
@@ -365,16 +365,6 @@ out:
return state;
}
-#define native_rdmsr(msr, val1, val2) \
-do { \
- u64 __val = native_read_msr((msr)); \
- (void)((val1) = (u32)__val); \
- (void)((val2) = (u32)(__val >> 32)); \
-} while (0)
-
-#define native_wrmsr(msr, low, high) \
- native_write_msr(msr, low, high);
-
static int collect_cpu_info_early(struct ucode_cpu_info *uci)
{
unsigned int val[2];
diff --git a/arch/x86/kernel/microcode_intel_lib.c b/arch/x86/kernel/cpu/microcode/intel_lib.c
index ce69320d017..ce69320d017 100644
--- a/arch/x86/kernel/microcode_intel_lib.c
+++ b/arch/x86/kernel/cpu/microcode/intel_lib.c
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index 8e132931614..b88645191fe 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -1883,21 +1883,27 @@ static struct pmu pmu = {
void arch_perf_update_userpage(struct perf_event_mmap_page *userpg, u64 now)
{
+ struct cyc2ns_data *data;
+
userpg->cap_user_time = 0;
userpg->cap_user_time_zero = 0;
userpg->cap_user_rdpmc = x86_pmu.attr_rdpmc;
userpg->pmc_width = x86_pmu.cntval_bits;
- if (!sched_clock_stable)
+ if (!sched_clock_stable())
return;
+ data = cyc2ns_read_begin();
+
userpg->cap_user_time = 1;
- userpg->time_mult = this_cpu_read(cyc2ns);
- userpg->time_shift = CYC2NS_SCALE_FACTOR;
- userpg->time_offset = this_cpu_read(cyc2ns_offset) - now;
+ userpg->time_mult = data->cyc2ns_mul;
+ userpg->time_shift = data->cyc2ns_shift;
+ userpg->time_offset = data->cyc2ns_offset - now;
userpg->cap_user_time_zero = 1;
- userpg->time_zero = this_cpu_read(cyc2ns_offset);
+ userpg->time_zero = data->cyc2ns_offset;
+
+ cyc2ns_read_end(data);
}
/*
diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h
index fd00bb29425..c1a861829d8 100644
--- a/arch/x86/kernel/cpu/perf_event.h
+++ b/arch/x86/kernel/cpu/perf_event.h
@@ -262,11 +262,20 @@ struct cpu_hw_events {
__EVENT_CONSTRAINT(c, n, INTEL_ARCH_EVENT_MASK, \
HWEIGHT(n), 0, PERF_X86_EVENT_PEBS_ST_HSW)
-#define EVENT_CONSTRAINT_END \
- EVENT_CONSTRAINT(0, 0, 0)
+/*
+ * We define the end marker as having a weight of -1
+ * to enable blacklisting of events using a counter bitmask
+ * of zero and thus a weight of zero.
+ * The end marker has a weight that cannot possibly be
+ * obtained from counting the bits in the bitmask.
+ */
+#define EVENT_CONSTRAINT_END { .weight = -1 }
+/*
+ * Check for end marker with weight == -1
+ */
#define for_each_event_constraint(e, c) \
- for ((e) = (c); (e)->weight; (e)++)
+ for ((e) = (c); (e)->weight != -1; (e)++)
/*
* Extra registers for specific events.
diff --git a/arch/x86/kernel/cpu/perf_event_amd_ibs.c b/arch/x86/kernel/cpu/perf_event_amd_ibs.c
index e09f0bfb7b8..4b8e4d3cd6e 100644
--- a/arch/x86/kernel/cpu/perf_event_amd_ibs.c
+++ b/arch/x86/kernel/cpu/perf_event_amd_ibs.c
@@ -10,6 +10,7 @@
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/ptrace.h>
+#include <linux/syscore_ops.h>
#include <asm/apic.h>
@@ -816,6 +817,18 @@ out:
return ret;
}
+static void ibs_eilvt_setup(void)
+{
+ /*
+ * Force LVT offset assignment for family 10h: The offsets are
+ * not assigned by the BIOS for this family, so the OS is
+ * responsible for doing it. If the OS assignment fails, fall
+ * back to BIOS settings and try to setup this.
+ */
+ if (boot_cpu_data.x86 == 0x10)
+ force_ibs_eilvt_setup();
+}
+
static inline int get_ibs_lvt_offset(void)
{
u64 val;
@@ -851,6 +864,36 @@ static void clear_APIC_ibs(void *dummy)
setup_APIC_eilvt(offset, 0, APIC_EILVT_MSG_FIX, 1);
}
+#ifdef CONFIG_PM
+
+static int perf_ibs_suspend(void)
+{
+ clear_APIC_ibs(NULL);
+ return 0;
+}
+
+static void perf_ibs_resume(void)
+{
+ ibs_eilvt_setup();
+ setup_APIC_ibs(NULL);
+}
+
+static struct syscore_ops perf_ibs_syscore_ops = {
+ .resume = perf_ibs_resume,
+ .suspend = perf_ibs_suspend,
+};
+
+static void perf_ibs_pm_init(void)
+{
+ register_syscore_ops(&perf_ibs_syscore_ops);
+}
+
+#else
+
+static inline void perf_ibs_pm_init(void) { }
+
+#endif
+
static int
perf_ibs_cpu_notifier(struct notifier_block *self, unsigned long action, void *hcpu)
{
@@ -877,18 +920,12 @@ static __init int amd_ibs_init(void)
if (!caps)
return -ENODEV; /* ibs not supported by the cpu */
- /*
- * Force LVT offset assignment for family 10h: The offsets are
- * not assigned by the BIOS for this family, so the OS is
- * responsible for doing it. If the OS assignment fails, fall
- * back to BIOS settings and try to setup this.
- */
- if (boot_cpu_data.x86 == 0x10)
- force_ibs_eilvt_setup();
+ ibs_eilvt_setup();
if (!ibs_eilvt_valid())
goto out;
+ perf_ibs_pm_init();
get_online_cpus();
ibs_caps = caps;
/* make ibs_caps visible to other cpus: */
diff --git a/arch/x86/kernel/cpu/perf_event_intel_rapl.c b/arch/x86/kernel/cpu/perf_event_intel_rapl.c
new file mode 100644
index 00000000000..5ad35ad94d0
--- /dev/null
+++ b/arch/x86/kernel/cpu/perf_event_intel_rapl.c
@@ -0,0 +1,679 @@
+/*
+ * perf_event_intel_rapl.c: support Intel RAPL energy consumption counters
+ * Copyright (C) 2013 Google, Inc., Stephane Eranian
+ *
+ * Intel RAPL interface is specified in the IA-32 Manual Vol3b
+ * section 14.7.1 (September 2013)
+ *
+ * RAPL provides more controls than just reporting energy consumption
+ * however here we only expose the 3 energy consumption free running
+ * counters (pp0, pkg, dram).
+ *
+ * Each of those counters increments in a power unit defined by the
+ * RAPL_POWER_UNIT MSR. On SandyBridge, this unit is 1/(2^16) Joules
+ * but it can vary.
+ *
+ * Counter to rapl events mappings:
+ *
+ * pp0 counter: consumption of all physical cores (power plane 0)
+ * event: rapl_energy_cores
+ * perf code: 0x1
+ *
+ * pkg counter: consumption of the whole processor package
+ * event: rapl_energy_pkg
+ * perf code: 0x2
+ *
+ * dram counter: consumption of the dram domain (servers only)
+ * event: rapl_energy_dram
+ * perf code: 0x3
+ *
+ * dram counter: consumption of the builtin-gpu domain (client only)
+ * event: rapl_energy_gpu
+ * perf code: 0x4
+ *
+ * We manage those counters as free running (read-only). They may be
+ * use simultaneously by other tools, such as turbostat.
+ *
+ * The events only support system-wide mode counting. There is no
+ * sampling support because it does not make sense and is not
+ * supported by the RAPL hardware.
+ *
+ * Because we want to avoid floating-point operations in the kernel,
+ * the events are all reported in fixed point arithmetic (32.32).
+ * Tools must adjust the counts to convert them to Watts using
+ * the duration of the measurement. Tools may use a function such as
+ * ldexp(raw_count, -32);
+ */
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/perf_event.h>
+#include <asm/cpu_device_id.h>
+#include "perf_event.h"
+
+/*
+ * RAPL energy status counters
+ */
+#define RAPL_IDX_PP0_NRG_STAT 0 /* all cores */
+#define INTEL_RAPL_PP0 0x1 /* pseudo-encoding */
+#define RAPL_IDX_PKG_NRG_STAT 1 /* entire package */
+#define INTEL_RAPL_PKG 0x2 /* pseudo-encoding */
+#define RAPL_IDX_RAM_NRG_STAT 2 /* DRAM */
+#define INTEL_RAPL_RAM 0x3 /* pseudo-encoding */
+#define RAPL_IDX_PP1_NRG_STAT 3 /* DRAM */
+#define INTEL_RAPL_PP1 0x4 /* pseudo-encoding */
+
+/* Clients have PP0, PKG */
+#define RAPL_IDX_CLN (1<<RAPL_IDX_PP0_NRG_STAT|\
+ 1<<RAPL_IDX_PKG_NRG_STAT|\
+ 1<<RAPL_IDX_PP1_NRG_STAT)
+
+/* Servers have PP0, PKG, RAM */
+#define RAPL_IDX_SRV (1<<RAPL_IDX_PP0_NRG_STAT|\
+ 1<<RAPL_IDX_PKG_NRG_STAT|\
+ 1<<RAPL_IDX_RAM_NRG_STAT)
+
+/*
+ * event code: LSB 8 bits, passed in attr->config
+ * any other bit is reserved
+ */
+#define RAPL_EVENT_MASK 0xFFULL
+
+#define DEFINE_RAPL_FORMAT_ATTR(_var, _name, _format) \
+static ssize_t __rapl_##_var##_show(struct kobject *kobj, \
+ struct kobj_attribute *attr, \
+ char *page) \
+{ \
+ BUILD_BUG_ON(sizeof(_format) >= PAGE_SIZE); \
+ return sprintf(page, _format "\n"); \
+} \
+static struct kobj_attribute format_attr_##_var = \
+ __ATTR(_name, 0444, __rapl_##_var##_show, NULL)
+
+#define RAPL_EVENT_DESC(_name, _config) \
+{ \
+ .attr = __ATTR(_name, 0444, rapl_event_show, NULL), \
+ .config = _config, \
+}
+
+#define RAPL_CNTR_WIDTH 32 /* 32-bit rapl counters */
+
+struct rapl_pmu {
+ spinlock_t lock;
+ int hw_unit; /* 1/2^hw_unit Joule */
+ int n_active; /* number of active events */
+ struct list_head active_list;
+ struct pmu *pmu; /* pointer to rapl_pmu_class */
+ ktime_t timer_interval; /* in ktime_t unit */
+ struct hrtimer hrtimer;
+};
+
+static struct pmu rapl_pmu_class;
+static cpumask_t rapl_cpu_mask;
+static int rapl_cntr_mask;
+
+static DEFINE_PER_CPU(struct rapl_pmu *, rapl_pmu);
+static DEFINE_PER_CPU(struct rapl_pmu *, rapl_pmu_to_free);
+
+static inline u64 rapl_read_counter(struct perf_event *event)
+{
+ u64 raw;
+ rdmsrl(event->hw.event_base, raw);
+ return raw;
+}
+
+static inline u64 rapl_scale(u64 v)
+{
+ /*
+ * scale delta to smallest unit (1/2^32)
+ * users must then scale back: count * 1/(1e9*2^32) to get Joules
+ * or use ldexp(count, -32).
+ * Watts = Joules/Time delta
+ */
+ return v << (32 - __get_cpu_var(rapl_pmu)->hw_unit);
+}
+
+static u64 rapl_event_update(struct perf_event *event)
+{
+ struct hw_perf_event *hwc = &event->hw;
+ u64 prev_raw_count, new_raw_count;
+ s64 delta, sdelta;
+ int shift = RAPL_CNTR_WIDTH;
+
+again:
+ prev_raw_count = local64_read(&hwc->prev_count);
+ rdmsrl(event->hw.event_base, new_raw_count);
+
+ if (local64_cmpxchg(&hwc->prev_count, prev_raw_count,
+ new_raw_count) != prev_raw_count) {
+ cpu_relax();
+ goto again;
+ }
+
+ /*
+ * Now we have the new raw value and have updated the prev
+ * timestamp already. We can now calculate the elapsed delta
+ * (event-)time and add that to the generic event.
+ *
+ * Careful, not all hw sign-extends above the physical width
+ * of the count.
+ */
+ delta = (new_raw_count << shift) - (prev_raw_count << shift);
+ delta >>= shift;
+
+ sdelta = rapl_scale(delta);
+
+ local64_add(sdelta, &event->count);
+
+ return new_raw_count;
+}
+
+static void rapl_start_hrtimer(struct rapl_pmu *pmu)
+{
+ __hrtimer_start_range_ns(&pmu->hrtimer,
+ pmu->timer_interval, 0,
+ HRTIMER_MODE_REL_PINNED, 0);
+}
+
+static void rapl_stop_hrtimer(struct rapl_pmu *pmu)
+{
+ hrtimer_cancel(&pmu->hrtimer);
+}
+
+static enum hrtimer_restart rapl_hrtimer_handle(struct hrtimer *hrtimer)
+{
+ struct rapl_pmu *pmu = __get_cpu_var(rapl_pmu);
+ struct perf_event *event;
+ unsigned long flags;
+
+ if (!pmu->n_active)
+ return HRTIMER_NORESTART;
+
+ spin_lock_irqsave(&pmu->lock, flags);
+
+ list_for_each_entry(event, &pmu->active_list, active_entry) {
+ rapl_event_update(event);
+ }
+
+ spin_unlock_irqrestore(&pmu->lock, flags);
+
+ hrtimer_forward_now(hrtimer, pmu->timer_interval);
+
+ return HRTIMER_RESTART;
+}
+
+static void rapl_hrtimer_init(struct rapl_pmu *pmu)
+{
+ struct hrtimer *hr = &pmu->hrtimer;
+
+ hrtimer_init(hr, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
+ hr->function = rapl_hrtimer_handle;
+}
+
+static void __rapl_pmu_event_start(struct rapl_pmu *pmu,
+ struct perf_event *event)
+{
+ if (WARN_ON_ONCE(!(event->hw.state & PERF_HES_STOPPED)))
+ return;
+
+ event->hw.state = 0;
+
+ list_add_tail(&event->active_entry, &pmu->active_list);
+
+ local64_set(&event->hw.prev_count, rapl_read_counter(event));
+
+ pmu->n_active++;
+ if (pmu->n_active == 1)
+ rapl_start_hrtimer(pmu);
+}
+
+static void rapl_pmu_event_start(struct perf_event *event, int mode)
+{
+ struct rapl_pmu *pmu = __get_cpu_var(rapl_pmu);
+ unsigned long flags;
+
+ spin_lock_irqsave(&pmu->lock, flags);
+ __rapl_pmu_event_start(pmu, event);
+ spin_unlock_irqrestore(&pmu->lock, flags);
+}
+
+static void rapl_pmu_event_stop(struct perf_event *event, int mode)
+{
+ struct rapl_pmu *pmu = __get_cpu_var(rapl_pmu);
+ struct hw_perf_event *hwc = &event->hw;
+ unsigned long flags;
+
+ spin_lock_irqsave(&pmu->lock, flags);
+
+ /* mark event as deactivated and stopped */
+ if (!(hwc->state & PERF_HES_STOPPED)) {
+ WARN_ON_ONCE(pmu->n_active <= 0);
+ pmu->n_active--;
+ if (pmu->n_active == 0)
+ rapl_stop_hrtimer(pmu);
+
+ list_del(&event->active_entry);
+
+ WARN_ON_ONCE(hwc->state & PERF_HES_STOPPED);
+ hwc->state |= PERF_HES_STOPPED;
+ }
+
+ /* check if update of sw counter is necessary */
+ if ((mode & PERF_EF_UPDATE) && !(hwc->state & PERF_HES_UPTODATE)) {
+ /*
+ * Drain the remaining delta count out of a event
+ * that we are disabling:
+ */
+ rapl_event_update(event);
+ hwc->state |= PERF_HES_UPTODATE;
+ }
+
+ spin_unlock_irqrestore(&pmu->lock, flags);
+}
+
+static int rapl_pmu_event_add(struct perf_event *event, int mode)
+{
+ struct rapl_pmu *pmu = __get_cpu_var(rapl_pmu);
+ struct hw_perf_event *hwc = &event->hw;
+ unsigned long flags;
+
+ spin_lock_irqsave(&pmu->lock, flags);
+
+ hwc->state = PERF_HES_UPTODATE | PERF_HES_STOPPED;
+
+ if (mode & PERF_EF_START)
+ __rapl_pmu_event_start(pmu, event);
+
+ spin_unlock_irqrestore(&pmu->lock, flags);
+
+ return 0;
+}
+
+static void rapl_pmu_event_del(struct perf_event *event, int flags)
+{
+ rapl_pmu_event_stop(event, PERF_EF_UPDATE);
+}
+
+static int rapl_pmu_event_init(struct perf_event *event)
+{
+ u64 cfg = event->attr.config & RAPL_EVENT_MASK;
+ int bit, msr, ret = 0;
+
+ /* only look at RAPL events */
+ if (event->attr.type != rapl_pmu_class.type)
+ return -ENOENT;
+
+ /* check only supported bits are set */
+ if (event->attr.config & ~RAPL_EVENT_MASK)
+ return -EINVAL;
+
+ /*
+ * check event is known (determines counter)
+ */
+ switch (cfg) {
+ case INTEL_RAPL_PP0:
+ bit = RAPL_IDX_PP0_NRG_STAT;
+ msr = MSR_PP0_ENERGY_STATUS;
+ break;
+ case INTEL_RAPL_PKG:
+ bit = RAPL_IDX_PKG_NRG_STAT;
+ msr = MSR_PKG_ENERGY_STATUS;
+ break;
+ case INTEL_RAPL_RAM:
+ bit = RAPL_IDX_RAM_NRG_STAT;
+ msr = MSR_DRAM_ENERGY_STATUS;
+ break;
+ case INTEL_RAPL_PP1:
+ bit = RAPL_IDX_PP1_NRG_STAT;
+ msr = MSR_PP1_ENERGY_STATUS;
+ break;
+ default:
+ return -EINVAL;
+ }
+ /* check event supported */
+ if (!(rapl_cntr_mask & (1 << bit)))
+ return -EINVAL;
+
+ /* unsupported modes and filters */
+ if (event->attr.exclude_user ||
+ event->attr.exclude_kernel ||
+ event->attr.exclude_hv ||
+ event->attr.exclude_idle ||
+ event->attr.exclude_host ||
+ event->attr.exclude_guest ||
+ event->attr.sample_period) /* no sampling */
+ return -EINVAL;
+
+ /* must be done before validate_group */
+ event->hw.event_base = msr;
+ event->hw.config = cfg;
+ event->hw.idx = bit;
+
+ return ret;
+}
+
+static void rapl_pmu_event_read(struct perf_event *event)
+{
+ rapl_event_update(event);
+}
+
+static ssize_t rapl_get_attr_cpumask(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ int n = cpulist_scnprintf(buf, PAGE_SIZE - 2, &rapl_cpu_mask);
+
+ buf[n++] = '\n';
+ buf[n] = '\0';
+ return n;
+}
+
+static DEVICE_ATTR(cpumask, S_IRUGO, rapl_get_attr_cpumask, NULL);
+
+static struct attribute *rapl_pmu_attrs[] = {
+ &dev_attr_cpumask.attr,
+ NULL,
+};
+
+static struct attribute_group rapl_pmu_attr_group = {
+ .attrs = rapl_pmu_attrs,
+};
+
+EVENT_ATTR_STR(energy-cores, rapl_cores, "event=0x01");
+EVENT_ATTR_STR(energy-pkg , rapl_pkg, "event=0x02");
+EVENT_ATTR_STR(energy-ram , rapl_ram, "event=0x03");
+EVENT_ATTR_STR(energy-gpu , rapl_gpu, "event=0x04");
+
+EVENT_ATTR_STR(energy-cores.unit, rapl_cores_unit, "Joules");
+EVENT_ATTR_STR(energy-pkg.unit , rapl_pkg_unit, "Joules");
+EVENT_ATTR_STR(energy-ram.unit , rapl_ram_unit, "Joules");
+EVENT_ATTR_STR(energy-gpu.unit , rapl_gpu_unit, "Joules");
+
+/*
+ * we compute in 0.23 nJ increments regardless of MSR
+ */
+EVENT_ATTR_STR(energy-cores.scale, rapl_cores_scale, "2.3283064365386962890625e-10");
+EVENT_ATTR_STR(energy-pkg.scale, rapl_pkg_scale, "2.3283064365386962890625e-10");
+EVENT_ATTR_STR(energy-ram.scale, rapl_ram_scale, "2.3283064365386962890625e-10");
+EVENT_ATTR_STR(energy-gpu.scale, rapl_gpu_scale, "2.3283064365386962890625e-10");
+
+static struct attribute *rapl_events_srv_attr[] = {
+ EVENT_PTR(rapl_cores),
+ EVENT_PTR(rapl_pkg),
+ EVENT_PTR(rapl_ram),
+
+ EVENT_PTR(rapl_cores_unit),
+ EVENT_PTR(rapl_pkg_unit),
+ EVENT_PTR(rapl_ram_unit),
+
+ EVENT_PTR(rapl_cores_scale),
+ EVENT_PTR(rapl_pkg_scale),
+ EVENT_PTR(rapl_ram_scale),
+ NULL,
+};
+
+static struct attribute *rapl_events_cln_attr[] = {
+ EVENT_PTR(rapl_cores),
+ EVENT_PTR(rapl_pkg),
+ EVENT_PTR(rapl_gpu),
+
+ EVENT_PTR(rapl_cores_unit),
+ EVENT_PTR(rapl_pkg_unit),
+ EVENT_PTR(rapl_gpu_unit),
+
+ EVENT_PTR(rapl_cores_scale),
+ EVENT_PTR(rapl_pkg_scale),
+ EVENT_PTR(rapl_gpu_scale),
+ NULL,
+};
+
+static struct attribute_group rapl_pmu_events_group = {
+ .name = "events",
+ .attrs = NULL, /* patched at runtime */
+};
+
+DEFINE_RAPL_FORMAT_ATTR(event, event, "config:0-7");
+static struct attribute *rapl_formats_attr[] = {
+ &format_attr_event.attr,
+ NULL,
+};
+
+static struct attribute_group rapl_pmu_format_group = {
+ .name = "format",
+ .attrs = rapl_formats_attr,
+};
+
+const struct attribute_group *rapl_attr_groups[] = {
+ &rapl_pmu_attr_group,
+ &rapl_pmu_format_group,
+ &rapl_pmu_events_group,
+ NULL,
+};
+
+static struct pmu rapl_pmu_class = {
+ .attr_groups = rapl_attr_groups,
+ .task_ctx_nr = perf_invalid_context, /* system-wide only */
+ .event_init = rapl_pmu_event_init,
+ .add = rapl_pmu_event_add, /* must have */
+ .del = rapl_pmu_event_del, /* must have */
+ .start = rapl_pmu_event_start,
+ .stop = rapl_pmu_event_stop,
+ .read = rapl_pmu_event_read,
+};
+
+static void rapl_cpu_exit(int cpu)
+{
+ struct rapl_pmu *pmu = per_cpu(rapl_pmu, cpu);
+ int i, phys_id = topology_physical_package_id(cpu);
+ int target = -1;
+
+ /* find a new cpu on same package */
+ for_each_online_cpu(i) {
+ if (i == cpu)
+ continue;
+ if (phys_id == topology_physical_package_id(i)) {
+ target = i;
+ break;
+ }
+ }
+ /*
+ * clear cpu from cpumask
+ * if was set in cpumask and still some cpu on package,
+ * then move to new cpu
+ */
+ if (cpumask_test_and_clear_cpu(cpu, &rapl_cpu_mask) && target >= 0)
+ cpumask_set_cpu(target, &rapl_cpu_mask);
+
+ WARN_ON(cpumask_empty(&rapl_cpu_mask));
+ /*
+ * migrate events and context to new cpu
+ */
+ if (target >= 0)
+ perf_pmu_migrate_context(pmu->pmu, cpu, target);
+
+ /* cancel overflow polling timer for CPU */
+ rapl_stop_hrtimer(pmu);
+}
+
+static void rapl_cpu_init(int cpu)
+{
+ int i, phys_id = topology_physical_package_id(cpu);
+
+ /* check if phys_is is already covered */
+ for_each_cpu(i, &rapl_cpu_mask) {
+ if (phys_id == topology_physical_package_id(i))
+ return;
+ }
+ /* was not found, so add it */
+ cpumask_set_cpu(cpu, &rapl_cpu_mask);
+}
+
+static int rapl_cpu_prepare(int cpu)
+{
+ struct rapl_pmu *pmu = per_cpu(rapl_pmu, cpu);
+ int phys_id = topology_physical_package_id(cpu);
+ u64 ms;
+
+ if (pmu)
+ return 0;
+
+ if (phys_id < 0)
+ return -1;
+
+ pmu = kzalloc_node(sizeof(*pmu), GFP_KERNEL, cpu_to_node(cpu));
+ if (!pmu)
+ return -1;
+
+ spin_lock_init(&pmu->lock);
+
+ INIT_LIST_HEAD(&pmu->active_list);
+
+ /*
+ * grab power unit as: 1/2^unit Joules
+ *
+ * we cache in local PMU instance
+ */
+ rdmsrl(MSR_RAPL_POWER_UNIT, pmu->hw_unit);
+ pmu->hw_unit = (pmu->hw_unit >> 8) & 0x1FULL;
+ pmu->pmu = &rapl_pmu_class;
+
+ /*
+ * use reference of 200W for scaling the timeout
+ * to avoid missing counter overflows.
+ * 200W = 200 Joules/sec
+ * divide interval by 2 to avoid lockstep (2 * 100)
+ * if hw unit is 32, then we use 2 ms 1/200/2
+ */
+ if (pmu->hw_unit < 32)
+ ms = (1000 / (2 * 100)) * (1ULL << (32 - pmu->hw_unit - 1));
+ else
+ ms = 2;
+
+ pmu->timer_interval = ms_to_ktime(ms);
+
+ rapl_hrtimer_init(pmu);
+
+ /* set RAPL pmu for this cpu for now */
+ per_cpu(rapl_pmu, cpu) = pmu;
+ per_cpu(rapl_pmu_to_free, cpu) = NULL;
+
+ return 0;
+}
+
+static void rapl_cpu_kfree(int cpu)
+{
+ struct rapl_pmu *pmu = per_cpu(rapl_pmu_to_free, cpu);
+
+ kfree(pmu);
+
+ per_cpu(rapl_pmu_to_free, cpu) = NULL;
+}
+
+static int rapl_cpu_dying(int cpu)
+{
+ struct rapl_pmu *pmu = per_cpu(rapl_pmu, cpu);
+
+ if (!pmu)
+ return 0;
+
+ per_cpu(rapl_pmu, cpu) = NULL;
+
+ per_cpu(rapl_pmu_to_free, cpu) = pmu;
+
+ return 0;
+}
+
+static int rapl_cpu_notifier(struct notifier_block *self,
+ unsigned long action, void *hcpu)
+{
+ unsigned int cpu = (long)hcpu;
+
+ switch (action & ~CPU_TASKS_FROZEN) {
+ case CPU_UP_PREPARE:
+ rapl_cpu_prepare(cpu);
+ break;
+ case CPU_STARTING:
+ rapl_cpu_init(cpu);
+ break;
+ case CPU_UP_CANCELED:
+ case CPU_DYING:
+ rapl_cpu_dying(cpu);
+ break;
+ case CPU_ONLINE:
+ case CPU_DEAD:
+ rapl_cpu_kfree(cpu);
+ break;
+ case CPU_DOWN_PREPARE:
+ rapl_cpu_exit(cpu);
+ break;
+ default:
+ break;
+ }
+
+ return NOTIFY_OK;
+}
+
+static const struct x86_cpu_id rapl_cpu_match[] = {
+ [0] = { .vendor = X86_VENDOR_INTEL, .family = 6 },
+ [1] = {},
+};
+
+static int __init rapl_pmu_init(void)
+{
+ struct rapl_pmu *pmu;
+ int cpu, ret;
+
+ /*
+ * check for Intel processor family 6
+ */
+ if (!x86_match_cpu(rapl_cpu_match))
+ return 0;
+
+ /* check supported CPU */
+ switch (boot_cpu_data.x86_model) {
+ case 42: /* Sandy Bridge */
+ case 58: /* Ivy Bridge */
+ case 60: /* Haswell */
+ case 69: /* Haswell-Celeron */
+ rapl_cntr_mask = RAPL_IDX_CLN;
+ rapl_pmu_events_group.attrs = rapl_events_cln_attr;
+ break;
+ case 45: /* Sandy Bridge-EP */
+ case 62: /* IvyTown */
+ rapl_cntr_mask = RAPL_IDX_SRV;
+ rapl_pmu_events_group.attrs = rapl_events_srv_attr;
+ break;
+
+ default:
+ /* unsupported */
+ return 0;
+ }
+ get_online_cpus();
+
+ for_each_online_cpu(cpu) {
+ rapl_cpu_prepare(cpu);
+ rapl_cpu_init(cpu);
+ }
+
+ perf_cpu_notifier(rapl_cpu_notifier);
+
+ ret = perf_pmu_register(&rapl_pmu_class, "power", -1);
+ if (WARN_ON(ret)) {
+ pr_info("RAPL PMU detected, registration failed (%d), RAPL PMU disabled\n", ret);
+ put_online_cpus();
+ return -1;
+ }
+
+ pmu = __get_cpu_var(rapl_pmu);
+
+ pr_info("RAPL PMU detected, hw unit 2^-%d Joules,"
+ " API unit is 2^-32 Joules,"
+ " %d fixed counters"
+ " %llu ms ovfl timer\n",
+ pmu->hw_unit,
+ hweight32(rapl_cntr_mask),
+ ktime_to_ms(pmu->timer_interval));
+
+ put_online_cpus();
+
+ return 0;
+}
+device_initcall(rapl_pmu_init);
diff --git a/arch/x86/kernel/cpu/rdrand.c b/arch/x86/kernel/cpu/rdrand.c
index 88db010845c..384df5105fb 100644
--- a/arch/x86/kernel/cpu/rdrand.c
+++ b/arch/x86/kernel/cpu/rdrand.c
@@ -31,20 +31,6 @@ static int __init x86_rdrand_setup(char *s)
}
__setup("nordrand", x86_rdrand_setup);
-/* We can't use arch_get_random_long() here since alternatives haven't run */
-static inline int rdrand_long(unsigned long *v)
-{
- int ok;
- asm volatile("1: " RDRAND_LONG "\n\t"
- "jc 2f\n\t"
- "decl %0\n\t"
- "jnz 1b\n\t"
- "2:"
- : "=r" (ok), "=a" (*v)
- : "0" (RDRAND_RETRY_LOOPS));
- return ok;
-}
-
/*
* Force a reseed cycle; we are architecturally guaranteed a reseed
* after no more than 512 128-bit chunks of random data. This also
diff --git a/arch/x86/kernel/cpu/transmeta.c b/arch/x86/kernel/cpu/transmeta.c
index aa0430d69b9..3fa0e5ad86b 100644
--- a/arch/x86/kernel/cpu/transmeta.c
+++ b/arch/x86/kernel/cpu/transmeta.c
@@ -1,6 +1,5 @@
#include <linux/kernel.h>
#include <linux/mm.h>
-#include <linux/init.h>
#include <asm/processor.h>
#include <asm/msr.h>
#include "cpu.h"
diff --git a/arch/x86/kernel/cpu/umc.c b/arch/x86/kernel/cpu/umc.c
index 75c5ad5d35c..ef9c2a0078b 100644
--- a/arch/x86/kernel/cpu/umc.c
+++ b/arch/x86/kernel/cpu/umc.c
@@ -1,5 +1,4 @@
#include <linux/kernel.h>
-#include <linux/init.h>
#include <asm/processor.h>
#include "cpu.h"
diff --git a/arch/x86/kernel/crash.c b/arch/x86/kernel/crash.c
index 18677a90d6a..a57902efe2d 100644
--- a/arch/x86/kernel/crash.c
+++ b/arch/x86/kernel/crash.c
@@ -7,7 +7,6 @@
*
*/
-#include <linux/init.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/smp.h>
diff --git a/arch/x86/kernel/doublefault.c b/arch/x86/kernel/doublefault.c
index 5d3fe8d36e4..f6dfd9334b6 100644
--- a/arch/x86/kernel/doublefault.c
+++ b/arch/x86/kernel/doublefault.c
@@ -1,6 +1,5 @@
#include <linux/mm.h>
#include <linux/sched.h>
-#include <linux/init.h>
#include <linux/init_task.h>
#include <linux/fs.h>
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index 174da5fc5a7..988c00a1f60 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -1120,7 +1120,7 @@ void __init memblock_find_dma_reserve(void)
nr_pages += end_pfn - start_pfn;
}
- for_each_free_mem_range(u, MAX_NUMNODES, &start, &end, NULL) {
+ for_each_free_mem_range(u, NUMA_NO_NODE, &start, &end, NULL) {
start_pfn = min_t(unsigned long, PFN_UP(start), MAX_DMA_PFN);
end_pfn = min_t(unsigned long, PFN_DOWN(end), MAX_DMA_PFN);
if (start_pfn < end_pfn)
diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S
index 51e2988c572..a2a4f469788 100644
--- a/arch/x86/kernel/entry_32.S
+++ b/arch/x86/kernel/entry_32.S
@@ -1082,7 +1082,7 @@ ENTRY(ftrace_caller)
pushl $0 /* Pass NULL as regs pointer */
movl 4*4(%esp), %eax
movl 0x4(%ebp), %edx
- leal function_trace_op, %ecx
+ movl function_trace_op, %ecx
subl $MCOUNT_INSN_SIZE, %eax
.globl ftrace_call
@@ -1140,7 +1140,7 @@ ENTRY(ftrace_regs_caller)
movl 12*4(%esp), %eax /* Load ip (1st parameter) */
subl $MCOUNT_INSN_SIZE, %eax /* Adjust ip */
movl 0x4(%ebp), %edx /* Load parent ip (2nd parameter) */
- leal function_trace_op, %ecx /* Save ftrace_pos in 3rd parameter */
+ movl function_trace_op, %ecx /* Save ftrace_pos in 3rd parameter */
pushl %esp /* Save pt_regs as 4th parameter */
GLOBAL(ftrace_regs_call)
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index e21b0785a85..1e96c3628bf 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -88,7 +88,7 @@ END(function_hook)
MCOUNT_SAVE_FRAME \skip
/* Load the ftrace_ops into the 3rd parameter */
- leaq function_trace_op, %rdx
+ movq function_trace_op(%rip), %rdx
/* Load ip into the first parameter */
movq RIP(%rsp), %rdi
diff --git a/arch/x86/kernel/hw_breakpoint.c b/arch/x86/kernel/hw_breakpoint.c
index f66ff162dce..a67b47c3131 100644
--- a/arch/x86/kernel/hw_breakpoint.c
+++ b/arch/x86/kernel/hw_breakpoint.c
@@ -38,7 +38,6 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/sched.h>
-#include <linux/init.h>
#include <linux/smp.h>
#include <asm/hw_breakpoint.h>
diff --git a/arch/x86/kernel/iosf_mbi.c b/arch/x86/kernel/iosf_mbi.c
new file mode 100644
index 00000000000..c3aae667284
--- /dev/null
+++ b/arch/x86/kernel/iosf_mbi.c
@@ -0,0 +1,226 @@
+/*
+ * IOSF-SB MailBox Interface Driver
+ * Copyright (c) 2013, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ *
+ * The IOSF-SB is a fabric bus available on Atom based SOC's that uses a
+ * mailbox interface (MBI) to communicate with mutiple devices. This
+ * driver implements access to this interface for those platforms that can
+ * enumerate the device using PCI.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/spinlock.h>
+#include <linux/pci.h>
+
+#include <asm/iosf_mbi.h>
+
+static DEFINE_SPINLOCK(iosf_mbi_lock);
+
+static inline u32 iosf_mbi_form_mcr(u8 op, u8 port, u8 offset)
+{
+ return (op << 24) | (port << 16) | (offset << 8) | MBI_ENABLE;
+}
+
+static struct pci_dev *mbi_pdev; /* one mbi device */
+
+static int iosf_mbi_pci_read_mdr(u32 mcrx, u32 mcr, u32 *mdr)
+{
+ int result;
+
+ if (!mbi_pdev)
+ return -ENODEV;
+
+ if (mcrx) {
+ result = pci_write_config_dword(mbi_pdev, MBI_MCRX_OFFSET,
+ mcrx);
+ if (result < 0)
+ goto fail_read;
+ }
+
+ result = pci_write_config_dword(mbi_pdev, MBI_MCR_OFFSET, mcr);
+ if (result < 0)
+ goto fail_read;
+
+ result = pci_read_config_dword(mbi_pdev, MBI_MDR_OFFSET, mdr);
+ if (result < 0)
+ goto fail_read;
+
+ return 0;
+
+fail_read:
+ dev_err(&mbi_pdev->dev, "PCI config access failed with %d\n", result);
+ return result;
+}
+
+static int iosf_mbi_pci_write_mdr(u32 mcrx, u32 mcr, u32 mdr)
+{
+ int result;
+
+ if (!mbi_pdev)
+ return -ENODEV;
+
+ result = pci_write_config_dword(mbi_pdev, MBI_MDR_OFFSET, mdr);
+ if (result < 0)
+ goto fail_write;
+
+ if (mcrx) {
+ result = pci_write_config_dword(mbi_pdev, MBI_MCRX_OFFSET,
+ mcrx);
+ if (result < 0)
+ goto fail_write;
+ }
+
+ result = pci_write_config_dword(mbi_pdev, MBI_MCR_OFFSET, mcr);
+ if (result < 0)
+ goto fail_write;
+
+ return 0;
+
+fail_write:
+ dev_err(&mbi_pdev->dev, "PCI config access failed with %d\n", result);
+ return result;
+}
+
+int iosf_mbi_read(u8 port, u8 opcode, u32 offset, u32 *mdr)
+{
+ u32 mcr, mcrx;
+ unsigned long flags;
+ int ret;
+
+ /*Access to the GFX unit is handled by GPU code */
+ if (port == BT_MBI_UNIT_GFX) {
+ WARN_ON(1);
+ return -EPERM;
+ }
+
+ mcr = iosf_mbi_form_mcr(opcode, port, offset & MBI_MASK_LO);
+ mcrx = offset & MBI_MASK_HI;
+
+ spin_lock_irqsave(&iosf_mbi_lock, flags);
+ ret = iosf_mbi_pci_read_mdr(mcrx, mcr, mdr);
+ spin_unlock_irqrestore(&iosf_mbi_lock, flags);
+
+ return ret;
+}
+EXPORT_SYMBOL(iosf_mbi_read);
+
+int iosf_mbi_write(u8 port, u8 opcode, u32 offset, u32 mdr)
+{
+ u32 mcr, mcrx;
+ unsigned long flags;
+ int ret;
+
+ /*Access to the GFX unit is handled by GPU code */
+ if (port == BT_MBI_UNIT_GFX) {
+ WARN_ON(1);
+ return -EPERM;
+ }
+
+ mcr = iosf_mbi_form_mcr(opcode, port, offset & MBI_MASK_LO);
+ mcrx = offset & MBI_MASK_HI;
+
+ spin_lock_irqsave(&iosf_mbi_lock, flags);
+ ret = iosf_mbi_pci_write_mdr(mcrx, mcr, mdr);
+ spin_unlock_irqrestore(&iosf_mbi_lock, flags);
+
+ return ret;
+}
+EXPORT_SYMBOL(iosf_mbi_write);
+
+int iosf_mbi_modify(u8 port, u8 opcode, u32 offset, u32 mdr, u32 mask)
+{
+ u32 mcr, mcrx;
+ u32 value;
+ unsigned long flags;
+ int ret;
+
+ /*Access to the GFX unit is handled by GPU code */
+ if (port == BT_MBI_UNIT_GFX) {
+ WARN_ON(1);
+ return -EPERM;
+ }
+
+ mcr = iosf_mbi_form_mcr(opcode, port, offset & MBI_MASK_LO);
+ mcrx = offset & MBI_MASK_HI;
+
+ spin_lock_irqsave(&iosf_mbi_lock, flags);
+
+ /* Read current mdr value */
+ ret = iosf_mbi_pci_read_mdr(mcrx, mcr & MBI_RD_MASK, &value);
+ if (ret < 0) {
+ spin_unlock_irqrestore(&iosf_mbi_lock, flags);
+ return ret;
+ }
+
+ /* Apply mask */
+ value &= ~mask;
+ mdr &= mask;
+ value |= mdr;
+
+ /* Write back */
+ ret = iosf_mbi_pci_write_mdr(mcrx, mcr | MBI_WR_MASK, value);
+
+ spin_unlock_irqrestore(&iosf_mbi_lock, flags);
+
+ return ret;
+}
+EXPORT_SYMBOL(iosf_mbi_modify);
+
+static int iosf_mbi_probe(struct pci_dev *pdev,
+ const struct pci_device_id *unused)
+{
+ int ret;
+
+ ret = pci_enable_device(pdev);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "error: could not enable device\n");
+ return ret;
+ }
+
+ mbi_pdev = pci_dev_get(pdev);
+ return 0;
+}
+
+static DEFINE_PCI_DEVICE_TABLE(iosf_mbi_pci_ids) = {
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x0F00) },
+ { 0, },
+};
+MODULE_DEVICE_TABLE(pci, iosf_mbi_pci_ids);
+
+static struct pci_driver iosf_mbi_pci_driver = {
+ .name = "iosf_mbi_pci",
+ .probe = iosf_mbi_probe,
+ .id_table = iosf_mbi_pci_ids,
+};
+
+static int __init iosf_mbi_init(void)
+{
+ return pci_register_driver(&iosf_mbi_pci_driver);
+}
+
+static void __exit iosf_mbi_exit(void)
+{
+ pci_unregister_driver(&iosf_mbi_pci_driver);
+ if (mbi_pdev) {
+ pci_dev_put(mbi_pdev);
+ mbi_pdev = NULL;
+ }
+}
+
+module_init(iosf_mbi_init);
+module_exit(iosf_mbi_exit);
+
+MODULE_AUTHOR("David E. Box <david.e.box@linux.intel.com>");
+MODULE_DESCRIPTION("IOSF Mailbox Interface accessor");
+MODULE_LICENSE("GPL v2");
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
index 22d0687e7fd..dbb60878b74 100644
--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -193,9 +193,13 @@ __visible unsigned int __irq_entry do_IRQ(struct pt_regs *regs)
if (!handle_irq(irq, regs)) {
ack_APIC_irq();
- if (printk_ratelimit())
- pr_emerg("%s: %d.%d No irq handler for vector (irq %d)\n",
- __func__, smp_processor_id(), vector, irq);
+ if (irq != VECTOR_RETRIGGERED) {
+ pr_emerg_ratelimited("%s: %d.%d No irq handler for vector (irq %d)\n",
+ __func__, smp_processor_id(),
+ vector, irq);
+ } else {
+ __this_cpu_write(vector_irq[vector], VECTOR_UNDEFINED);
+ }
}
irq_exit();
@@ -262,6 +266,76 @@ __visible void smp_trace_x86_platform_ipi(struct pt_regs *regs)
EXPORT_SYMBOL_GPL(vector_used_by_percpu_irq);
#ifdef CONFIG_HOTPLUG_CPU
+/*
+ * This cpu is going to be removed and its vectors migrated to the remaining
+ * online cpus. Check to see if there are enough vectors in the remaining cpus.
+ * This function is protected by stop_machine().
+ */
+int check_irq_vectors_for_cpu_disable(void)
+{
+ int irq, cpu;
+ unsigned int this_cpu, vector, this_count, count;
+ struct irq_desc *desc;
+ struct irq_data *data;
+ struct cpumask affinity_new, online_new;
+
+ this_cpu = smp_processor_id();
+ cpumask_copy(&online_new, cpu_online_mask);
+ cpu_clear(this_cpu, online_new);
+
+ this_count = 0;
+ for (vector = FIRST_EXTERNAL_VECTOR; vector < NR_VECTORS; vector++) {
+ irq = __this_cpu_read(vector_irq[vector]);
+ if (irq >= 0) {
+ desc = irq_to_desc(irq);
+ data = irq_desc_get_irq_data(desc);
+ cpumask_copy(&affinity_new, data->affinity);
+ cpu_clear(this_cpu, affinity_new);
+
+ /* Do not count inactive or per-cpu irqs. */
+ if (!irq_has_action(irq) || irqd_is_per_cpu(data))
+ continue;
+
+ /*
+ * A single irq may be mapped to multiple
+ * cpu's vector_irq[] (for example IOAPIC cluster
+ * mode). In this case we have two
+ * possibilities:
+ *
+ * 1) the resulting affinity mask is empty; that is
+ * this the down'd cpu is the last cpu in the irq's
+ * affinity mask, or
+ *
+ * 2) the resulting affinity mask is no longer
+ * a subset of the online cpus but the affinity
+ * mask is not zero; that is the down'd cpu is the
+ * last online cpu in a user set affinity mask.
+ */
+ if (cpumask_empty(&affinity_new) ||
+ !cpumask_subset(&affinity_new, &online_new))
+ this_count++;
+ }
+ }
+
+ count = 0;
+ for_each_online_cpu(cpu) {
+ if (cpu == this_cpu)
+ continue;
+ for (vector = FIRST_EXTERNAL_VECTOR; vector < NR_VECTORS;
+ vector++) {
+ if (per_cpu(vector_irq, cpu)[vector] < 0)
+ count++;
+ }
+ }
+
+ if (count < this_count) {
+ pr_warn("CPU %d disable failed: CPU has %u vectors assigned and there are only %u available.\n",
+ this_cpu, this_count, count);
+ return -ERANGE;
+ }
+ return 0;
+}
+
/* A cpu has been removed from cpu_online_mask. Reset irq affinities. */
void fixup_irqs(void)
{
@@ -344,7 +418,7 @@ void fixup_irqs(void)
for (vector = FIRST_EXTERNAL_VECTOR; vector < NR_VECTORS; vector++) {
unsigned int irr;
- if (__this_cpu_read(vector_irq[vector]) < 0)
+ if (__this_cpu_read(vector_irq[vector]) <= VECTOR_UNDEFINED)
continue;
irr = apic_read(APIC_IRR + (vector / 32 * 0x10));
@@ -355,11 +429,14 @@ void fixup_irqs(void)
data = irq_desc_get_irq_data(desc);
chip = irq_data_get_irq_chip(data);
raw_spin_lock(&desc->lock);
- if (chip->irq_retrigger)
+ if (chip->irq_retrigger) {
chip->irq_retrigger(data);
+ __this_cpu_write(vector_irq[vector], VECTOR_RETRIGGERED);
+ }
raw_spin_unlock(&desc->lock);
}
- __this_cpu_write(vector_irq[vector], -1);
+ if (__this_cpu_read(vector_irq[vector]) != VECTOR_RETRIGGERED)
+ __this_cpu_write(vector_irq[vector], VECTOR_UNDEFINED);
}
}
#endif
diff --git a/arch/x86/kernel/irqinit.c b/arch/x86/kernel/irqinit.c
index a2a1fbc594f..7f50156542f 100644
--- a/arch/x86/kernel/irqinit.c
+++ b/arch/x86/kernel/irqinit.c
@@ -52,7 +52,7 @@ static struct irqaction irq2 = {
};
DEFINE_PER_CPU(vector_irq_t, vector_irq) = {
- [0 ... NR_VECTORS - 1] = -1,
+ [0 ... NR_VECTORS - 1] = VECTOR_UNDEFINED,
};
int vector_used_by_percpu_irq(unsigned int vector)
@@ -60,7 +60,7 @@ int vector_used_by_percpu_irq(unsigned int vector)
int cpu;
for_each_online_cpu(cpu) {
- if (per_cpu(vector_irq, cpu)[vector] != -1)
+ if (per_cpu(vector_irq, cpu)[vector] > VECTOR_UNDEFINED)
return 1;
}
diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c
index 836f8322960..7ec1d5f8d28 100644
--- a/arch/x86/kernel/kgdb.c
+++ b/arch/x86/kernel/kgdb.c
@@ -39,7 +39,6 @@
#include <linux/sched.h>
#include <linux/delay.h>
#include <linux/kgdb.h>
-#include <linux/init.h>
#include <linux/smp.h>
#include <linux/nmi.h>
#include <linux/hw_breakpoint.h>
diff --git a/arch/x86/kernel/ksysfs.c b/arch/x86/kernel/ksysfs.c
new file mode 100644
index 00000000000..c2bedaea11f
--- /dev/null
+++ b/arch/x86/kernel/ksysfs.c
@@ -0,0 +1,340 @@
+/*
+ * Architecture specific sysfs attributes in /sys/kernel
+ *
+ * Copyright (C) 2007, Intel Corp.
+ * Huang Ying <ying.huang@intel.com>
+ * Copyright (C) 2013, 2013 Red Hat, Inc.
+ * Dave Young <dyoung@redhat.com>
+ *
+ * This file is released under the GPLv2
+ */
+
+#include <linux/kobject.h>
+#include <linux/string.h>
+#include <linux/sysfs.h>
+#include <linux/init.h>
+#include <linux/stat.h>
+#include <linux/slab.h>
+#include <linux/mm.h>
+
+#include <asm/io.h>
+#include <asm/setup.h>
+
+static ssize_t version_show(struct kobject *kobj,
+ struct kobj_attribute *attr, char *buf)
+{
+ return sprintf(buf, "0x%04x\n", boot_params.hdr.version);
+}
+
+static struct kobj_attribute boot_params_version_attr = __ATTR_RO(version);
+
+static ssize_t boot_params_data_read(struct file *fp, struct kobject *kobj,
+ struct bin_attribute *bin_attr,
+ char *buf, loff_t off, size_t count)
+{
+ memcpy(buf, (void *)&boot_params + off, count);
+ return count;
+}
+
+static struct bin_attribute boot_params_data_attr = {
+ .attr = {
+ .name = "data",
+ .mode = S_IRUGO,
+ },
+ .read = boot_params_data_read,
+ .size = sizeof(boot_params),
+};
+
+static struct attribute *boot_params_version_attrs[] = {
+ &boot_params_version_attr.attr,
+ NULL,
+};
+
+static struct bin_attribute *boot_params_data_attrs[] = {
+ &boot_params_data_attr,
+ NULL,
+};
+
+static struct attribute_group boot_params_attr_group = {
+ .attrs = boot_params_version_attrs,
+ .bin_attrs = boot_params_data_attrs,
+};
+
+static int kobj_to_setup_data_nr(struct kobject *kobj, int *nr)
+{
+ const char *name;
+
+ name = kobject_name(kobj);
+ return kstrtoint(name, 10, nr);
+}
+
+static int get_setup_data_paddr(int nr, u64 *paddr)
+{
+ int i = 0;
+ struct setup_data *data;
+ u64 pa_data = boot_params.hdr.setup_data;
+
+ while (pa_data) {
+ if (nr == i) {
+ *paddr = pa_data;
+ return 0;
+ }
+ data = ioremap_cache(pa_data, sizeof(*data));
+ if (!data)
+ return -ENOMEM;
+
+ pa_data = data->next;
+ iounmap(data);
+ i++;
+ }
+ return -EINVAL;
+}
+
+static int __init get_setup_data_size(int nr, size_t *size)
+{
+ int i = 0;
+ struct setup_data *data;
+ u64 pa_data = boot_params.hdr.setup_data;
+
+ while (pa_data) {
+ data = ioremap_cache(pa_data, sizeof(*data));
+ if (!data)
+ return -ENOMEM;
+ if (nr == i) {
+ *size = data->len;
+ iounmap(data);
+ return 0;
+ }
+
+ pa_data = data->next;
+ iounmap(data);
+ i++;
+ }
+ return -EINVAL;
+}
+
+static ssize_t type_show(struct kobject *kobj,
+ struct kobj_attribute *attr, char *buf)
+{
+ int nr, ret;
+ u64 paddr;
+ struct setup_data *data;
+
+ ret = kobj_to_setup_data_nr(kobj, &nr);
+ if (ret)
+ return ret;
+
+ ret = get_setup_data_paddr(nr, &paddr);
+ if (ret)
+ return ret;
+ data = ioremap_cache(paddr, sizeof(*data));
+ if (!data)
+ return -ENOMEM;
+
+ ret = sprintf(buf, "0x%x\n", data->type);
+ iounmap(data);
+ return ret;
+}
+
+static ssize_t setup_data_data_read(struct file *fp,
+ struct kobject *kobj,
+ struct bin_attribute *bin_attr,
+ char *buf,
+ loff_t off, size_t count)
+{
+ int nr, ret = 0;
+ u64 paddr;
+ struct setup_data *data;
+ void *p;
+
+ ret = kobj_to_setup_data_nr(kobj, &nr);
+ if (ret)
+ return ret;
+
+ ret = get_setup_data_paddr(nr, &paddr);
+ if (ret)
+ return ret;
+ data = ioremap_cache(paddr, sizeof(*data));
+ if (!data)
+ return -ENOMEM;
+
+ if (off > data->len) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ if (count > data->len - off)
+ count = data->len - off;
+
+ if (!count)
+ goto out;
+
+ ret = count;
+ p = ioremap_cache(paddr + sizeof(*data), data->len);
+ if (!p) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ memcpy(buf, p + off, count);
+ iounmap(p);
+out:
+ iounmap(data);
+ return ret;
+}
+
+static struct kobj_attribute type_attr = __ATTR_RO(type);
+
+static struct bin_attribute data_attr = {
+ .attr = {
+ .name = "data",
+ .mode = S_IRUGO,
+ },
+ .read = setup_data_data_read,
+};
+
+static struct attribute *setup_data_type_attrs[] = {
+ &type_attr.attr,
+ NULL,
+};
+
+static struct bin_attribute *setup_data_data_attrs[] = {
+ &data_attr,
+ NULL,
+};
+
+static struct attribute_group setup_data_attr_group = {
+ .attrs = setup_data_type_attrs,
+ .bin_attrs = setup_data_data_attrs,
+};
+
+static int __init create_setup_data_node(struct kobject *parent,
+ struct kobject **kobjp, int nr)
+{
+ int ret = 0;
+ size_t size;
+ struct kobject *kobj;
+ char name[16]; /* should be enough for setup_data nodes numbers */
+ snprintf(name, 16, "%d", nr);
+
+ kobj = kobject_create_and_add(name, parent);
+ if (!kobj)
+ return -ENOMEM;
+
+ ret = get_setup_data_size(nr, &size);
+ if (ret)
+ goto out_kobj;
+
+ data_attr.size = size;
+ ret = sysfs_create_group(kobj, &setup_data_attr_group);
+ if (ret)
+ goto out_kobj;
+ *kobjp = kobj;
+
+ return 0;
+out_kobj:
+ kobject_put(kobj);
+ return ret;
+}
+
+static void __init cleanup_setup_data_node(struct kobject *kobj)
+{
+ sysfs_remove_group(kobj, &setup_data_attr_group);
+ kobject_put(kobj);
+}
+
+static int __init get_setup_data_total_num(u64 pa_data, int *nr)
+{
+ int ret = 0;
+ struct setup_data *data;
+
+ *nr = 0;
+ while (pa_data) {
+ *nr += 1;
+ data = ioremap_cache(pa_data, sizeof(*data));
+ if (!data) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ pa_data = data->next;
+ iounmap(data);
+ }
+
+out:
+ return ret;
+}
+
+static int __init create_setup_data_nodes(struct kobject *parent)
+{
+ struct kobject *setup_data_kobj, **kobjp;
+ u64 pa_data;
+ int i, j, nr, ret = 0;
+
+ pa_data = boot_params.hdr.setup_data;
+ if (!pa_data)
+ return 0;
+
+ setup_data_kobj = kobject_create_and_add("setup_data", parent);
+ if (!setup_data_kobj) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ ret = get_setup_data_total_num(pa_data, &nr);
+ if (ret)
+ goto out_setup_data_kobj;
+
+ kobjp = kmalloc(sizeof(*kobjp) * nr, GFP_KERNEL);
+ if (!kobjp) {
+ ret = -ENOMEM;
+ goto out_setup_data_kobj;
+ }
+
+ for (i = 0; i < nr; i++) {
+ ret = create_setup_data_node(setup_data_kobj, kobjp + i, i);
+ if (ret)
+ goto out_clean_nodes;
+ }
+
+ kfree(kobjp);
+ return 0;
+
+out_clean_nodes:
+ for (j = i - 1; j > 0; j--)
+ cleanup_setup_data_node(*(kobjp + j));
+ kfree(kobjp);
+out_setup_data_kobj:
+ kobject_put(setup_data_kobj);
+out:
+ return ret;
+}
+
+static int __init boot_params_ksysfs_init(void)
+{
+ int ret;
+ struct kobject *boot_params_kobj;
+
+ boot_params_kobj = kobject_create_and_add("boot_params",
+ kernel_kobj);
+ if (!boot_params_kobj) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ ret = sysfs_create_group(boot_params_kobj, &boot_params_attr_group);
+ if (ret)
+ goto out_boot_params_kobj;
+
+ ret = create_setup_data_nodes(boot_params_kobj);
+ if (ret)
+ goto out_create_group;
+
+ return 0;
+out_create_group:
+ sysfs_remove_group(boot_params_kobj, &boot_params_attr_group);
+out_boot_params_kobj:
+ kobject_put(boot_params_kobj);
+out:
+ return ret;
+}
+
+arch_initcall(boot_params_ksysfs_init);
diff --git a/arch/x86/kernel/machine_kexec_32.c b/arch/x86/kernel/machine_kexec_32.c
index 5b19e4d78b0..1667b1de8d5 100644
--- a/arch/x86/kernel/machine_kexec_32.c
+++ b/arch/x86/kernel/machine_kexec_32.c
@@ -9,7 +9,6 @@
#include <linux/mm.h>
#include <linux/kexec.h>
#include <linux/delay.h>
-#include <linux/init.h>
#include <linux/numa.h>
#include <linux/ftrace.h>
#include <linux/suspend.h>
diff --git a/arch/x86/kernel/pci-nommu.c b/arch/x86/kernel/pci-nommu.c
index 871be4a84c7..da15918d1c8 100644
--- a/arch/x86/kernel/pci-nommu.c
+++ b/arch/x86/kernel/pci-nommu.c
@@ -3,7 +3,6 @@
#include <linux/dma-mapping.h>
#include <linux/scatterlist.h>
#include <linux/string.h>
-#include <linux/init.h>
#include <linux/gfp.h>
#include <linux/pci.h>
#include <linux/mm.h>
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index 6f1236c29c4..0de43e98ce0 100644
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -24,7 +24,6 @@
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/reboot.h>
-#include <linux/init.h>
#include <linux/mc146818rtc.h>
#include <linux/module.h>
#include <linux/kallsyms.h>
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index da3c599584a..c752cb43e52 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -558,6 +558,17 @@ void native_machine_shutdown(void)
{
/* Stop the cpus and apics */
#ifdef CONFIG_X86_IO_APIC
+ /*
+ * Disabling IO APIC before local APIC is a workaround for
+ * erratum AVR31 in "Intel Atom Processor C2000 Product Family
+ * Specification Update". In this situation, interrupts that target
+ * a Logical Processor whose Local APIC is either in the process of
+ * being hardware disabled or software disabled are neither delivered
+ * nor discarded. When this erratum occurs, the processor may hang.
+ *
+ * Even without the erratum, it still makes sense to quiet IO APIC
+ * before disabling Local APIC.
+ */
disable_IO_APIC();
#endif
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index cb233bc9dee..c9675594d7c 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -295,6 +295,8 @@ static void __init reserve_brk(void)
_brk_start = 0;
}
+u64 relocated_ramdisk;
+
#ifdef CONFIG_BLK_DEV_INITRD
static u64 __init get_ramdisk_image(void)
@@ -321,25 +323,24 @@ static void __init relocate_initrd(void)
u64 ramdisk_image = get_ramdisk_image();
u64 ramdisk_size = get_ramdisk_size();
u64 area_size = PAGE_ALIGN(ramdisk_size);
- u64 ramdisk_here;
unsigned long slop, clen, mapaddr;
char *p, *q;
/* We need to move the initrd down into directly mapped mem */
- ramdisk_here = memblock_find_in_range(0, PFN_PHYS(max_pfn_mapped),
- area_size, PAGE_SIZE);
+ relocated_ramdisk = memblock_find_in_range(0, PFN_PHYS(max_pfn_mapped),
+ area_size, PAGE_SIZE);
- if (!ramdisk_here)
+ if (!relocated_ramdisk)
panic("Cannot find place for new RAMDISK of size %lld\n",
- ramdisk_size);
+ ramdisk_size);
/* Note: this includes all the mem currently occupied by
the initrd, we rely on that fact to keep the data intact. */
- memblock_reserve(ramdisk_here, area_size);
- initrd_start = ramdisk_here + PAGE_OFFSET;
+ memblock_reserve(relocated_ramdisk, area_size);
+ initrd_start = relocated_ramdisk + PAGE_OFFSET;
initrd_end = initrd_start + ramdisk_size;
printk(KERN_INFO "Allocated new RAMDISK: [mem %#010llx-%#010llx]\n",
- ramdisk_here, ramdisk_here + ramdisk_size - 1);
+ relocated_ramdisk, relocated_ramdisk + ramdisk_size - 1);
q = (char *)initrd_start;
@@ -363,7 +364,7 @@ static void __init relocate_initrd(void)
printk(KERN_INFO "Move RAMDISK from [mem %#010llx-%#010llx] to"
" [mem %#010llx-%#010llx]\n",
ramdisk_image, ramdisk_image + ramdisk_size - 1,
- ramdisk_here, ramdisk_here + ramdisk_size - 1);
+ relocated_ramdisk, relocated_ramdisk + ramdisk_size - 1);
}
static void __init early_reserve_initrd(void)
@@ -447,6 +448,9 @@ static void __init parse_setup_data(void)
case SETUP_DTB:
add_dtb(pa_data);
break;
+ case SETUP_EFI:
+ parse_efi_setup(pa_data, data_len);
+ break;
default:
break;
}
@@ -824,6 +828,20 @@ static void __init trim_low_memory_range(void)
}
/*
+ * Dump out kernel offset information on panic.
+ */
+static int
+dump_kernel_offset(struct notifier_block *self, unsigned long v, void *p)
+{
+ pr_emerg("Kernel Offset: 0x%lx from 0x%lx "
+ "(relocation range: 0x%lx-0x%lx)\n",
+ (unsigned long)&_text - __START_KERNEL, __START_KERNEL,
+ __START_KERNEL_map, MODULES_VADDR-1);
+
+ return 0;
+}
+
+/*
* Determine if we were loaded by an EFI loader. If so, then we have also been
* passed the efi memmap, systab, etc., so we should use these data structures
* for initialization. Note, the efi init code path is determined by the
@@ -924,8 +942,6 @@ void __init setup_arch(char **cmdline_p)
iomem_resource.end = (1ULL << boot_cpu_data.x86_phys_bits) - 1;
setup_memory_map();
parse_setup_data();
- /* update the e820_saved too */
- e820_reserve_setup_data();
copy_edd();
@@ -987,6 +1003,8 @@ void __init setup_arch(char **cmdline_p)
early_dump_pci_devices();
#endif
+ /* update the e820_saved too */
+ e820_reserve_setup_data();
finish_e820_parsing();
if (efi_enabled(EFI_BOOT))
@@ -1101,7 +1119,7 @@ void __init setup_arch(char **cmdline_p)
setup_real_mode();
- memblock_set_current_limit(get_max_mapped());
+ memblock_set_current_limit(get_max_low_mapped());
dma_contiguous_reserve(0);
/*
@@ -1248,3 +1266,15 @@ void __init i386_reserve_resources(void)
}
#endif /* CONFIG_X86_32 */
+
+static struct notifier_block kernel_offset_notifier = {
+ .notifier_call = dump_kernel_offset
+};
+
+static int __init register_kernel_offset_dumper(void)
+{
+ atomic_notifier_chain_register(&panic_notifier_list,
+ &kernel_offset_notifier);
+ return 0;
+}
+__initcall(register_kernel_offset_dumper);
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 85dc05a3aa0..a32da804252 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -1312,6 +1312,12 @@ void cpu_disable_common(void)
int native_cpu_disable(void)
{
+ int ret;
+
+ ret = check_irq_vectors_for_cpu_disable();
+ if (ret)
+ return ret;
+
clear_local_APIC();
cpu_disable_common();
@@ -1417,7 +1423,9 @@ static inline void mwait_play_dead(void)
* The WBINVD is insufficient due to the spurious-wakeup
* case where we return around the loop.
*/
+ mb();
clflush(mwait_ptr);
+ mb();
__monitor(mwait_ptr, 0, 0);
mb();
__mwait(eax, 0);
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index b857ed890b4..57409f6b8c6 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -211,21 +211,17 @@ dotraplinkage void do_##name(struct pt_regs *regs, long error_code) \
exception_exit(prev_state); \
}
-DO_ERROR_INFO(X86_TRAP_DE, SIGFPE, "divide error", divide_error, FPE_INTDIV,
- regs->ip)
-DO_ERROR(X86_TRAP_OF, SIGSEGV, "overflow", overflow)
-DO_ERROR(X86_TRAP_BR, SIGSEGV, "bounds", bounds)
-DO_ERROR_INFO(X86_TRAP_UD, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN,
- regs->ip)
-DO_ERROR(X86_TRAP_OLD_MF, SIGFPE, "coprocessor segment overrun",
- coprocessor_segment_overrun)
-DO_ERROR(X86_TRAP_TS, SIGSEGV, "invalid TSS", invalid_TSS)
-DO_ERROR(X86_TRAP_NP, SIGBUS, "segment not present", segment_not_present)
+DO_ERROR_INFO(X86_TRAP_DE, SIGFPE, "divide error", divide_error, FPE_INTDIV, regs->ip )
+DO_ERROR (X86_TRAP_OF, SIGSEGV, "overflow", overflow )
+DO_ERROR (X86_TRAP_BR, SIGSEGV, "bounds", bounds )
+DO_ERROR_INFO(X86_TRAP_UD, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->ip )
+DO_ERROR (X86_TRAP_OLD_MF, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun )
+DO_ERROR (X86_TRAP_TS, SIGSEGV, "invalid TSS", invalid_TSS )
+DO_ERROR (X86_TRAP_NP, SIGBUS, "segment not present", segment_not_present )
#ifdef CONFIG_X86_32
-DO_ERROR(X86_TRAP_SS, SIGBUS, "stack segment", stack_segment)
+DO_ERROR (X86_TRAP_SS, SIGBUS, "stack segment", stack_segment )
#endif
-DO_ERROR_INFO(X86_TRAP_AC, SIGBUS, "alignment check", alignment_check,
- BUS_ADRALN, 0)
+DO_ERROR_INFO(X86_TRAP_AC, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0 )
#ifdef CONFIG_X86_64
/* Runs on IST stack */
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index 930e5d48f56..a3acbac2ee7 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -11,6 +11,7 @@
#include <linux/clocksource.h>
#include <linux/percpu.h>
#include <linux/timex.h>
+#include <linux/static_key.h>
#include <asm/hpet.h>
#include <asm/timer.h>
@@ -37,13 +38,244 @@ static int __read_mostly tsc_unstable;
erroneous rdtsc usage on !cpu_has_tsc processors */
static int __read_mostly tsc_disabled = -1;
+static struct static_key __use_tsc = STATIC_KEY_INIT;
+
int tsc_clocksource_reliable;
+
+/*
+ * Use a ring-buffer like data structure, where a writer advances the head by
+ * writing a new data entry and a reader advances the tail when it observes a
+ * new entry.
+ *
+ * Writers are made to wait on readers until there's space to write a new
+ * entry.
+ *
+ * This means that we can always use an {offset, mul} pair to compute a ns
+ * value that is 'roughly' in the right direction, even if we're writing a new
+ * {offset, mul} pair during the clock read.
+ *
+ * The down-side is that we can no longer guarantee strict monotonicity anymore
+ * (assuming the TSC was that to begin with), because while we compute the
+ * intersection point of the two clock slopes and make sure the time is
+ * continuous at the point of switching; we can no longer guarantee a reader is
+ * strictly before or after the switch point.
+ *
+ * It does mean a reader no longer needs to disable IRQs in order to avoid
+ * CPU-Freq updates messing with his times, and similarly an NMI reader will
+ * no longer run the risk of hitting half-written state.
+ */
+
+struct cyc2ns {
+ struct cyc2ns_data data[2]; /* 0 + 2*24 = 48 */
+ struct cyc2ns_data *head; /* 48 + 8 = 56 */
+ struct cyc2ns_data *tail; /* 56 + 8 = 64 */
+}; /* exactly fits one cacheline */
+
+static DEFINE_PER_CPU_ALIGNED(struct cyc2ns, cyc2ns);
+
+struct cyc2ns_data *cyc2ns_read_begin(void)
+{
+ struct cyc2ns_data *head;
+
+ preempt_disable();
+
+ head = this_cpu_read(cyc2ns.head);
+ /*
+ * Ensure we observe the entry when we observe the pointer to it.
+ * matches the wmb from cyc2ns_write_end().
+ */
+ smp_read_barrier_depends();
+ head->__count++;
+ barrier();
+
+ return head;
+}
+
+void cyc2ns_read_end(struct cyc2ns_data *head)
+{
+ barrier();
+ /*
+ * If we're the outer most nested read; update the tail pointer
+ * when we're done. This notifies possible pending writers
+ * that we've observed the head pointer and that the other
+ * entry is now free.
+ */
+ if (!--head->__count) {
+ /*
+ * x86-TSO does not reorder writes with older reads;
+ * therefore once this write becomes visible to another
+ * cpu, we must be finished reading the cyc2ns_data.
+ *
+ * matches with cyc2ns_write_begin().
+ */
+ this_cpu_write(cyc2ns.tail, head);
+ }
+ preempt_enable();
+}
+
+/*
+ * Begin writing a new @data entry for @cpu.
+ *
+ * Assumes some sort of write side lock; currently 'provided' by the assumption
+ * that cpufreq will call its notifiers sequentially.
+ */
+static struct cyc2ns_data *cyc2ns_write_begin(int cpu)
+{
+ struct cyc2ns *c2n = &per_cpu(cyc2ns, cpu);
+ struct cyc2ns_data *data = c2n->data;
+
+ if (data == c2n->head)
+ data++;
+
+ /* XXX send an IPI to @cpu in order to guarantee a read? */
+
+ /*
+ * When we observe the tail write from cyc2ns_read_end(),
+ * the cpu must be done with that entry and its safe
+ * to start writing to it.
+ */
+ while (c2n->tail == data)
+ cpu_relax();
+
+ return data;
+}
+
+static void cyc2ns_write_end(int cpu, struct cyc2ns_data *data)
+{
+ struct cyc2ns *c2n = &per_cpu(cyc2ns, cpu);
+
+ /*
+ * Ensure the @data writes are visible before we publish the
+ * entry. Matches the data-depencency in cyc2ns_read_begin().
+ */
+ smp_wmb();
+
+ ACCESS_ONCE(c2n->head) = data;
+}
+
+/*
+ * Accelerators for sched_clock()
+ * convert from cycles(64bits) => nanoseconds (64bits)
+ * basic equation:
+ * ns = cycles / (freq / ns_per_sec)
+ * ns = cycles * (ns_per_sec / freq)
+ * ns = cycles * (10^9 / (cpu_khz * 10^3))
+ * ns = cycles * (10^6 / cpu_khz)
+ *
+ * Then we use scaling math (suggested by george@mvista.com) to get:
+ * ns = cycles * (10^6 * SC / cpu_khz) / SC
+ * ns = cycles * cyc2ns_scale / SC
+ *
+ * And since SC is a constant power of two, we can convert the div
+ * into a shift.
+ *
+ * We can use khz divisor instead of mhz to keep a better precision, since
+ * cyc2ns_scale is limited to 10^6 * 2^10, which fits in 32 bits.
+ * (mathieu.desnoyers@polymtl.ca)
+ *
+ * -johnstul@us.ibm.com "math is hard, lets go shopping!"
+ */
+
+#define CYC2NS_SCALE_FACTOR 10 /* 2^10, carefully chosen */
+
+static void cyc2ns_data_init(struct cyc2ns_data *data)
+{
+ data->cyc2ns_mul = 1U << CYC2NS_SCALE_FACTOR;
+ data->cyc2ns_shift = CYC2NS_SCALE_FACTOR;
+ data->cyc2ns_offset = 0;
+ data->__count = 0;
+}
+
+static void cyc2ns_init(int cpu)
+{
+ struct cyc2ns *c2n = &per_cpu(cyc2ns, cpu);
+
+ cyc2ns_data_init(&c2n->data[0]);
+ cyc2ns_data_init(&c2n->data[1]);
+
+ c2n->head = c2n->data;
+ c2n->tail = c2n->data;
+}
+
+static inline unsigned long long cycles_2_ns(unsigned long long cyc)
+{
+ struct cyc2ns_data *data, *tail;
+ unsigned long long ns;
+
+ /*
+ * See cyc2ns_read_*() for details; replicated in order to avoid
+ * an extra few instructions that came with the abstraction.
+ * Notable, it allows us to only do the __count and tail update
+ * dance when its actually needed.
+ */
+
+ preempt_disable();
+ data = this_cpu_read(cyc2ns.head);
+ tail = this_cpu_read(cyc2ns.tail);
+
+ if (likely(data == tail)) {
+ ns = data->cyc2ns_offset;
+ ns += mul_u64_u32_shr(cyc, data->cyc2ns_mul, CYC2NS_SCALE_FACTOR);
+ } else {
+ data->__count++;
+
+ barrier();
+
+ ns = data->cyc2ns_offset;
+ ns += mul_u64_u32_shr(cyc, data->cyc2ns_mul, CYC2NS_SCALE_FACTOR);
+
+ barrier();
+
+ if (!--data->__count)
+ this_cpu_write(cyc2ns.tail, data);
+ }
+ preempt_enable();
+
+ return ns;
+}
+
+/* XXX surely we already have this someplace in the kernel?! */
+#define DIV_ROUND(n, d) (((n) + ((d) / 2)) / (d))
+
+static void set_cyc2ns_scale(unsigned long cpu_khz, int cpu)
+{
+ unsigned long long tsc_now, ns_now;
+ struct cyc2ns_data *data;
+ unsigned long flags;
+
+ local_irq_save(flags);
+ sched_clock_idle_sleep_event();
+
+ if (!cpu_khz)
+ goto done;
+
+ data = cyc2ns_write_begin(cpu);
+
+ rdtscll(tsc_now);
+ ns_now = cycles_2_ns(tsc_now);
+
+ /*
+ * Compute a new multiplier as per the above comment and ensure our
+ * time function is continuous; see the comment near struct
+ * cyc2ns_data.
+ */
+ data->cyc2ns_mul = DIV_ROUND(NSEC_PER_MSEC << CYC2NS_SCALE_FACTOR, cpu_khz);
+ data->cyc2ns_shift = CYC2NS_SCALE_FACTOR;
+ data->cyc2ns_offset = ns_now -
+ mul_u64_u32_shr(tsc_now, data->cyc2ns_mul, CYC2NS_SCALE_FACTOR);
+
+ cyc2ns_write_end(cpu, data);
+
+done:
+ sched_clock_idle_wakeup_event(0);
+ local_irq_restore(flags);
+}
/*
* Scheduler clock - returns current time in nanosec units.
*/
u64 native_sched_clock(void)
{
- u64 this_offset;
+ u64 tsc_now;
/*
* Fall back to jiffies if there's no TSC available:
@@ -53,16 +285,16 @@ u64 native_sched_clock(void)
* very important for it to be as fast as the platform
* can achieve it. )
*/
- if (unlikely(tsc_disabled)) {
+ if (!static_key_false(&__use_tsc)) {
/* No locking but a rare wrong value is not a big deal: */
return (jiffies_64 - INITIAL_JIFFIES) * (1000000000 / HZ);
}
/* read the Time Stamp Counter: */
- rdtscll(this_offset);
+ rdtscll(tsc_now);
/* return the value in ns */
- return __cycles_2_ns(this_offset);
+ return cycles_2_ns(tsc_now);
}
/* We need to define a real function for sched_clock, to override the
@@ -419,6 +651,16 @@ unsigned long native_calibrate_tsc(void)
unsigned long flags, latch, ms, fast_calibrate;
int hpet = is_hpet_enabled(), i, loopmin;
+ /* Calibrate TSC using MSR for Intel Atom SoCs */
+ local_irq_save(flags);
+ i = try_msr_calibrate_tsc(&fast_calibrate);
+ local_irq_restore(flags);
+ if (i >= 0) {
+ if (i == 0)
+ pr_warn("Fast TSC calibration using MSR failed\n");
+ return fast_calibrate;
+ }
+
local_irq_save(flags);
fast_calibrate = quick_pit_calibrate();
local_irq_restore(flags);
@@ -589,61 +831,11 @@ int recalibrate_cpu_khz(void)
EXPORT_SYMBOL(recalibrate_cpu_khz);
-/* Accelerators for sched_clock()
- * convert from cycles(64bits) => nanoseconds (64bits)
- * basic equation:
- * ns = cycles / (freq / ns_per_sec)
- * ns = cycles * (ns_per_sec / freq)
- * ns = cycles * (10^9 / (cpu_khz * 10^3))
- * ns = cycles * (10^6 / cpu_khz)
- *
- * Then we use scaling math (suggested by george@mvista.com) to get:
- * ns = cycles * (10^6 * SC / cpu_khz) / SC
- * ns = cycles * cyc2ns_scale / SC
- *
- * And since SC is a constant power of two, we can convert the div
- * into a shift.
- *
- * We can use khz divisor instead of mhz to keep a better precision, since
- * cyc2ns_scale is limited to 10^6 * 2^10, which fits in 32 bits.
- * (mathieu.desnoyers@polymtl.ca)
- *
- * -johnstul@us.ibm.com "math is hard, lets go shopping!"
- */
-
-DEFINE_PER_CPU(unsigned long, cyc2ns);
-DEFINE_PER_CPU(unsigned long long, cyc2ns_offset);
-
-static void set_cyc2ns_scale(unsigned long cpu_khz, int cpu)
-{
- unsigned long long tsc_now, ns_now, *offset;
- unsigned long flags, *scale;
-
- local_irq_save(flags);
- sched_clock_idle_sleep_event();
-
- scale = &per_cpu(cyc2ns, cpu);
- offset = &per_cpu(cyc2ns_offset, cpu);
-
- rdtscll(tsc_now);
- ns_now = __cycles_2_ns(tsc_now);
-
- if (cpu_khz) {
- *scale = ((NSEC_PER_MSEC << CYC2NS_SCALE_FACTOR) +
- cpu_khz / 2) / cpu_khz;
- *offset = ns_now - mult_frac(tsc_now, *scale,
- (1UL << CYC2NS_SCALE_FACTOR));
- }
-
- sched_clock_idle_wakeup_event(0);
- local_irq_restore(flags);
-}
-
static unsigned long long cyc2ns_suspend;
void tsc_save_sched_clock_state(void)
{
- if (!sched_clock_stable)
+ if (!sched_clock_stable())
return;
cyc2ns_suspend = sched_clock();
@@ -663,16 +855,26 @@ void tsc_restore_sched_clock_state(void)
unsigned long flags;
int cpu;
- if (!sched_clock_stable)
+ if (!sched_clock_stable())
return;
local_irq_save(flags);
- __this_cpu_write(cyc2ns_offset, 0);
+ /*
+ * We're comming out of suspend, there's no concurrency yet; don't
+ * bother being nice about the RCU stuff, just write to both
+ * data fields.
+ */
+
+ this_cpu_write(cyc2ns.data[0].cyc2ns_offset, 0);
+ this_cpu_write(cyc2ns.data[1].cyc2ns_offset, 0);
+
offset = cyc2ns_suspend - sched_clock();
- for_each_possible_cpu(cpu)
- per_cpu(cyc2ns_offset, cpu) = offset;
+ for_each_possible_cpu(cpu) {
+ per_cpu(cyc2ns.data[0].cyc2ns_offset, cpu) = offset;
+ per_cpu(cyc2ns.data[1].cyc2ns_offset, cpu) = offset;
+ }
local_irq_restore(flags);
}
@@ -795,7 +997,7 @@ void mark_tsc_unstable(char *reason)
{
if (!tsc_unstable) {
tsc_unstable = 1;
- sched_clock_stable = 0;
+ clear_sched_clock_stable();
disable_sched_clock_irqtime();
pr_info("Marking TSC unstable due to %s\n", reason);
/* Change only the rating, when not registered */
@@ -995,14 +1197,18 @@ void __init tsc_init(void)
* speed as the bootup CPU. (cpufreq notifiers will fix this
* up if their speed diverges)
*/
- for_each_possible_cpu(cpu)
+ for_each_possible_cpu(cpu) {
+ cyc2ns_init(cpu);
set_cyc2ns_scale(cpu_khz, cpu);
+ }
if (tsc_disabled > 0)
return;
/* now allow native_sched_clock() to use rdtsc */
+
tsc_disabled = 0;
+ static_key_slow_inc(&__use_tsc);
if (!no_sched_irq_time)
enable_sched_clock_irqtime();
diff --git a/arch/x86/kernel/tsc_msr.c b/arch/x86/kernel/tsc_msr.c
new file mode 100644
index 00000000000..8b5434f4389
--- /dev/null
+++ b/arch/x86/kernel/tsc_msr.c
@@ -0,0 +1,127 @@
+/*
+ * tsc_msr.c - MSR based TSC calibration on Intel Atom SoC platforms.
+ *
+ * TSC in Intel Atom SoC runs at a constant rate which can be figured
+ * by this formula:
+ * <maximum core-clock to bus-clock ratio> * <maximum resolved frequency>
+ * See Intel 64 and IA-32 System Programming Guid section 16.12 and 30.11.5
+ * for details.
+ * Especially some Intel Atom SoCs don't have PIT(i8254) or HPET, so MSR
+ * based calibration is the only option.
+ *
+ *
+ * Copyright (C) 2013 Intel Corporation
+ * Author: Bin Gao <bin.gao@intel.com>
+ *
+ * This file is released under the GPLv2.
+ */
+
+#include <linux/kernel.h>
+#include <asm/processor.h>
+#include <asm/setup.h>
+#include <asm/apic.h>
+#include <asm/param.h>
+
+/* CPU reference clock frequency: in KHz */
+#define FREQ_83 83200
+#define FREQ_100 99840
+#define FREQ_133 133200
+#define FREQ_166 166400
+
+#define MAX_NUM_FREQS 8
+
+/*
+ * According to Intel 64 and IA-32 System Programming Guide,
+ * if MSR_PERF_STAT[31] is set, the maximum resolved bus ratio can be
+ * read in MSR_PLATFORM_ID[12:8], otherwise in MSR_PERF_STAT[44:40].
+ * Unfortunately some Intel Atom SoCs aren't quite compliant to this,
+ * so we need manually differentiate SoC families. This is what the
+ * field msr_plat does.
+ */
+struct freq_desc {
+ u8 x86_family; /* CPU family */
+ u8 x86_model; /* model */
+ u8 msr_plat; /* 1: use MSR_PLATFORM_INFO, 0: MSR_IA32_PERF_STATUS */
+ u32 freqs[MAX_NUM_FREQS];
+};
+
+static struct freq_desc freq_desc_tables[] = {
+ /* PNW */
+ { 6, 0x27, 0, { 0, 0, 0, 0, 0, FREQ_100, 0, FREQ_83 } },
+ /* CLV+ */
+ { 6, 0x35, 0, { 0, FREQ_133, 0, 0, 0, FREQ_100, 0, FREQ_83 } },
+ /* TNG */
+ { 6, 0x4a, 1, { 0, FREQ_100, FREQ_133, 0, 0, 0, 0, 0 } },
+ /* VLV2 */
+ { 6, 0x37, 1, { 0, FREQ_100, FREQ_133, FREQ_166, 0, 0, 0, 0 } },
+ /* ANN */
+ { 6, 0x5a, 1, { FREQ_83, FREQ_100, FREQ_133, FREQ_100, 0, 0, 0, 0 } },
+};
+
+static int match_cpu(u8 family, u8 model)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(freq_desc_tables); i++) {
+ if ((family == freq_desc_tables[i].x86_family) &&
+ (model == freq_desc_tables[i].x86_model))
+ return i;
+ }
+
+ return -1;
+}
+
+/* Map CPU reference clock freq ID(0-7) to CPU reference clock freq(KHz) */
+#define id_to_freq(cpu_index, freq_id) \
+ (freq_desc_tables[cpu_index].freqs[freq_id])
+
+/*
+ * Do MSR calibration only for known/supported CPUs.
+ * Return values:
+ * -1: CPU is unknown/unsupported for MSR based calibration
+ * 0: CPU is known/supported, but calibration failed
+ * 1: CPU is known/supported, and calibration succeeded
+ */
+int try_msr_calibrate_tsc(unsigned long *fast_calibrate)
+{
+ int cpu_index;
+ u32 lo, hi, ratio, freq_id, freq;
+
+ cpu_index = match_cpu(boot_cpu_data.x86, boot_cpu_data.x86_model);
+ if (cpu_index < 0)
+ return -1;
+
+ *fast_calibrate = 0;
+
+ if (freq_desc_tables[cpu_index].msr_plat) {
+ rdmsr(MSR_PLATFORM_INFO, lo, hi);
+ ratio = (lo >> 8) & 0x1f;
+ } else {
+ rdmsr(MSR_IA32_PERF_STATUS, lo, hi);
+ ratio = (hi >> 8) & 0x1f;
+ }
+ pr_info("Maximum core-clock to bus-clock ratio: 0x%x\n", ratio);
+
+ if (!ratio)
+ return 0;
+
+ /* Get FSB FREQ ID */
+ rdmsr(MSR_FSB_FREQ, lo, hi);
+ freq_id = lo & 0x7;
+ freq = id_to_freq(cpu_index, freq_id);
+ pr_info("Resolved frequency ID: %u, frequency: %u KHz\n",
+ freq_id, freq);
+ if (!freq)
+ return 0;
+
+ /* TSC frequency = maximum resolved freq * maximum resolved bus ratio */
+ *fast_calibrate = freq * ratio;
+ pr_info("TSC runs at %lu KHz\n", *fast_calibrate);
+
+#ifdef CONFIG_X86_LOCAL_APIC
+ lapic_timer_frequency = (freq * 1000) / HZ;
+ pr_info("lapic_timer_frequency = %d\n", lapic_timer_frequency);
+#endif
+
+ return 1;
+}
diff --git a/arch/x86/kernel/tsc_sync.c b/arch/x86/kernel/tsc_sync.c
index adfdf56a371..26488487bc6 100644
--- a/arch/x86/kernel/tsc_sync.c
+++ b/arch/x86/kernel/tsc_sync.c
@@ -16,7 +16,6 @@
*/
#include <linux/spinlock.h>
#include <linux/kernel.h>
-#include <linux/init.h>
#include <linux/smp.h>
#include <linux/nmi.h>
#include <asm/tsc.h>
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 021783b1f46..e48b674639c 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -136,9 +136,9 @@ void arch_teardown_msi_irq(unsigned int irq)
x86_msi.teardown_msi_irq(irq);
}
-void arch_restore_msi_irqs(struct pci_dev *dev, int irq)
+void arch_restore_msi_irqs(struct pci_dev *dev)
{
- x86_msi.restore_msi_irqs(dev, irq);
+ x86_msi.restore_msi_irqs(dev);
}
u32 arch_msi_mask_irq(struct msi_desc *desc, u32 mask, u32 flag)
{
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 1ac00939078..9736529ade0 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -140,6 +140,8 @@ static inline int kvm_apic_id(struct kvm_lapic *apic)
return (kvm_apic_get_reg(apic, APIC_ID) >> 24) & 0xff;
}
+#define KVM_X2APIC_CID_BITS 0
+
static void recalculate_apic_map(struct kvm *kvm)
{
struct kvm_apic_map *new, *old = NULL;
@@ -177,7 +179,8 @@ static void recalculate_apic_map(struct kvm *kvm)
if (apic_x2apic_mode(apic)) {
new->ldr_bits = 32;
new->cid_shift = 16;
- new->cid_mask = new->lid_mask = 0xffff;
+ new->cid_mask = (1 << KVM_X2APIC_CID_BITS) - 1;
+ new->lid_mask = 0xffff;
} else if (kvm_apic_sw_enabled(apic) &&
!new->cid_mask /* flat mode */ &&
kvm_apic_get_reg(apic, APIC_DFR) == APIC_DFR_CLUSTER) {
@@ -838,7 +841,8 @@ static u32 apic_get_tmcct(struct kvm_lapic *apic)
ASSERT(apic != NULL);
/* if initial count is 0, current count should also be 0 */
- if (kvm_apic_get_reg(apic, APIC_TMICT) == 0)
+ if (kvm_apic_get_reg(apic, APIC_TMICT) == 0 ||
+ apic->lapic_timer.period == 0)
return 0;
remaining = hrtimer_get_remaining(&apic->lapic_timer.timer);
@@ -1343,8 +1347,12 @@ void kvm_lapic_set_base(struct kvm_vcpu *vcpu, u64 value)
return;
}
+ if (!kvm_vcpu_is_bsp(apic->vcpu))
+ value &= ~MSR_IA32_APICBASE_BSP;
+ vcpu->arch.apic_base = value;
+
/* update jump label if enable bit changes */
- if ((vcpu->arch.apic_base ^ value) & MSR_IA32_APICBASE_ENABLE) {
+ if ((old_value ^ value) & MSR_IA32_APICBASE_ENABLE) {
if (value & MSR_IA32_APICBASE_ENABLE)
static_key_slow_dec_deferred(&apic_hw_disabled);
else
@@ -1352,10 +1360,6 @@ void kvm_lapic_set_base(struct kvm_vcpu *vcpu, u64 value)
recalculate_apic_map(vcpu->kvm);
}
- if (!kvm_vcpu_is_bsp(apic->vcpu))
- value &= ~MSR_IA32_APICBASE_BSP;
-
- vcpu->arch.apic_base = value;
if ((old_value ^ value) & X2APIC_ENABLE) {
if (value & X2APIC_ENABLE) {
u32 id = kvm_apic_id(apic);
@@ -1688,7 +1692,6 @@ static void apic_sync_pv_eoi_from_guest(struct kvm_vcpu *vcpu,
void kvm_lapic_sync_from_vapic(struct kvm_vcpu *vcpu)
{
u32 data;
- void *vapic;
if (test_bit(KVM_APIC_PV_EOI_PENDING, &vcpu->arch.apic_attention))
apic_sync_pv_eoi_from_guest(vcpu, vcpu->arch.apic);
@@ -1696,9 +1699,8 @@ void kvm_lapic_sync_from_vapic(struct kvm_vcpu *vcpu)
if (!test_bit(KVM_APIC_CHECK_VAPIC, &vcpu->arch.apic_attention))
return;
- vapic = kmap_atomic(vcpu->arch.apic->vapic_page);
- data = *(u32 *)(vapic + offset_in_page(vcpu->arch.apic->vapic_addr));
- kunmap_atomic(vapic);
+ kvm_read_guest_cached(vcpu->kvm, &vcpu->arch.apic->vapic_cache, &data,
+ sizeof(u32));
apic_set_tpr(vcpu->arch.apic, data & 0xff);
}
@@ -1734,7 +1736,6 @@ void kvm_lapic_sync_to_vapic(struct kvm_vcpu *vcpu)
u32 data, tpr;
int max_irr, max_isr;
struct kvm_lapic *apic = vcpu->arch.apic;
- void *vapic;
apic_sync_pv_eoi_to_guest(vcpu, apic);
@@ -1750,18 +1751,24 @@ void kvm_lapic_sync_to_vapic(struct kvm_vcpu *vcpu)
max_isr = 0;
data = (tpr & 0xff) | ((max_isr & 0xf0) << 8) | (max_irr << 24);
- vapic = kmap_atomic(vcpu->arch.apic->vapic_page);
- *(u32 *)(vapic + offset_in_page(vcpu->arch.apic->vapic_addr)) = data;
- kunmap_atomic(vapic);
+ kvm_write_guest_cached(vcpu->kvm, &vcpu->arch.apic->vapic_cache, &data,
+ sizeof(u32));
}
-void kvm_lapic_set_vapic_addr(struct kvm_vcpu *vcpu, gpa_t vapic_addr)
+int kvm_lapic_set_vapic_addr(struct kvm_vcpu *vcpu, gpa_t vapic_addr)
{
- vcpu->arch.apic->vapic_addr = vapic_addr;
- if (vapic_addr)
+ if (vapic_addr) {
+ if (kvm_gfn_to_hva_cache_init(vcpu->kvm,
+ &vcpu->arch.apic->vapic_cache,
+ vapic_addr, sizeof(u32)))
+ return -EINVAL;
__set_bit(KVM_APIC_CHECK_VAPIC, &vcpu->arch.apic_attention);
- else
+ } else {
__clear_bit(KVM_APIC_CHECK_VAPIC, &vcpu->arch.apic_attention);
+ }
+
+ vcpu->arch.apic->vapic_addr = vapic_addr;
+ return 0;
}
int kvm_x2apic_msr_write(struct kvm_vcpu *vcpu, u32 msr, u64 data)
diff --git a/arch/x86/kvm/lapic.h b/arch/x86/kvm/lapic.h
index c730ac9fe80..c8b0d0d2da5 100644
--- a/arch/x86/kvm/lapic.h
+++ b/arch/x86/kvm/lapic.h
@@ -34,7 +34,7 @@ struct kvm_lapic {
*/
void *regs;
gpa_t vapic_addr;
- struct page *vapic_page;
+ struct gfn_to_hva_cache vapic_cache;
unsigned long pending_events;
unsigned int sipi_vector;
};
@@ -76,7 +76,7 @@ void kvm_set_lapic_tscdeadline_msr(struct kvm_vcpu *vcpu, u64 data);
void kvm_apic_write_nodecode(struct kvm_vcpu *vcpu, u32 offset);
void kvm_apic_set_eoi_accelerated(struct kvm_vcpu *vcpu, int vector);
-void kvm_lapic_set_vapic_addr(struct kvm_vcpu *vcpu, gpa_t vapic_addr);
+int kvm_lapic_set_vapic_addr(struct kvm_vcpu *vcpu, gpa_t vapic_addr);
void kvm_lapic_sync_from_vapic(struct kvm_vcpu *vcpu);
void kvm_lapic_sync_to_vapic(struct kvm_vcpu *vcpu);
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 407b05c29d7..5c8879127cf 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -8344,8 +8344,7 @@ static void load_vmcs12_host_state(struct kvm_vcpu *vcpu,
vcpu->arch.cr4_guest_owned_bits = ~vmcs_readl(CR4_GUEST_HOST_MASK);
kvm_set_cr4(vcpu, vmcs12->host_cr4);
- if (nested_cpu_has_ept(vmcs12))
- nested_ept_uninit_mmu_context(vcpu);
+ nested_ept_uninit_mmu_context(vcpu);
kvm_set_cr3(vcpu, vmcs12->host_cr3);
kvm_mmu_reset_context(vcpu);
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 59b95b1a04d..0c76f7cfdb3 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3217,8 +3217,7 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
r = -EFAULT;
if (copy_from_user(&va, argp, sizeof va))
goto out;
- r = 0;
- kvm_lapic_set_vapic_addr(vcpu, va.vapic_addr);
+ r = kvm_lapic_set_vapic_addr(vcpu, va.vapic_addr);
break;
}
case KVM_X86_SETUP_MCE: {
@@ -5742,36 +5741,6 @@ static void post_kvm_run_save(struct kvm_vcpu *vcpu)
!kvm_event_needs_reinjection(vcpu);
}
-static int vapic_enter(struct kvm_vcpu *vcpu)
-{
- struct kvm_lapic *apic = vcpu->arch.apic;
- struct page *page;
-
- if (!apic || !apic->vapic_addr)
- return 0;
-
- page = gfn_to_page(vcpu->kvm, apic->vapic_addr >> PAGE_SHIFT);
- if (is_error_page(page))
- return -EFAULT;
-
- vcpu->arch.apic->vapic_page = page;
- return 0;
-}
-
-static void vapic_exit(struct kvm_vcpu *vcpu)
-{
- struct kvm_lapic *apic = vcpu->arch.apic;
- int idx;
-
- if (!apic || !apic->vapic_addr)
- return;
-
- idx = srcu_read_lock(&vcpu->kvm->srcu);
- kvm_release_page_dirty(apic->vapic_page);
- mark_page_dirty(vcpu->kvm, apic->vapic_addr >> PAGE_SHIFT);
- srcu_read_unlock(&vcpu->kvm->srcu, idx);
-}
-
static void update_cr8_intercept(struct kvm_vcpu *vcpu)
{
int max_irr, tpr;
@@ -6077,11 +6046,6 @@ static int __vcpu_run(struct kvm_vcpu *vcpu)
struct kvm *kvm = vcpu->kvm;
vcpu->srcu_idx = srcu_read_lock(&kvm->srcu);
- r = vapic_enter(vcpu);
- if (r) {
- srcu_read_unlock(&kvm->srcu, vcpu->srcu_idx);
- return r;
- }
r = 1;
while (r > 0) {
@@ -6140,8 +6104,6 @@ static int __vcpu_run(struct kvm_vcpu *vcpu)
srcu_read_unlock(&kvm->srcu, vcpu->srcu_idx);
- vapic_exit(vcpu);
-
return r;
}
diff --git a/arch/x86/lib/copy_user_64.S b/arch/x86/lib/copy_user_64.S
index a30ca15be21..dee945d5559 100644
--- a/arch/x86/lib/copy_user_64.S
+++ b/arch/x86/lib/copy_user_64.S
@@ -186,7 +186,7 @@ ENTRY(copy_user_generic_unrolled)
30: shll $6,%ecx
addl %ecx,%edx
jmp 60f
-40: lea (%rdx,%rcx,8),%rdx
+40: leal (%rdx,%rcx,8),%edx
jmp 60f
50: movl %ecx,%edx
60: jmp copy_user_handle_tail /* ecx is zerorest also */
@@ -236,8 +236,6 @@ ENDPROC(copy_user_generic_unrolled)
ENTRY(copy_user_generic_string)
CFI_STARTPROC
ASM_STAC
- andl %edx,%edx
- jz 4f
cmpl $8,%edx
jb 2f /* less than 8 bytes, go to byte copy loop */
ALIGN_DESTINATION
@@ -249,12 +247,12 @@ ENTRY(copy_user_generic_string)
2: movl %edx,%ecx
3: rep
movsb
-4: xorl %eax,%eax
+ xorl %eax,%eax
ASM_CLAC
ret
.section .fixup,"ax"
-11: lea (%rdx,%rcx,8),%rcx
+11: leal (%rdx,%rcx,8),%ecx
12: movl %ecx,%edx /* ecx is zerorest also */
jmp copy_user_handle_tail
.previous
@@ -279,12 +277,10 @@ ENDPROC(copy_user_generic_string)
ENTRY(copy_user_enhanced_fast_string)
CFI_STARTPROC
ASM_STAC
- andl %edx,%edx
- jz 2f
movl %edx,%ecx
1: rep
movsb
-2: xorl %eax,%eax
+ xorl %eax,%eax
ASM_CLAC
ret
diff --git a/arch/x86/lib/delay.c b/arch/x86/lib/delay.c
index 7c3bee636e2..39d6a3db0b9 100644
--- a/arch/x86/lib/delay.c
+++ b/arch/x86/lib/delay.c
@@ -16,7 +16,6 @@
#include <linux/timex.h>
#include <linux/preempt.h>
#include <linux/delay.h>
-#include <linux/init.h>
#include <asm/processor.h>
#include <asm/delay.h>
diff --git a/arch/x86/lib/x86-opcode-map.txt b/arch/x86/lib/x86-opcode-map.txt
index 533a85e3a07..1a2be7c6895 100644
--- a/arch/x86/lib/x86-opcode-map.txt
+++ b/arch/x86/lib/x86-opcode-map.txt
@@ -346,8 +346,8 @@ AVXcode: 1
17: vmovhps Mq,Vq (v1) | vmovhpd Mq,Vq (66),(v1)
18: Grp16 (1A)
19:
-1a:
-1b:
+1a: BNDCL Ev,Gv | BNDCU Ev,Gv | BNDMOV Gv,Ev | BNDLDX Gv,Ev,Gv
+1b: BNDCN Ev,Gv | BNDMOV Ev,Gv | BNDMK Gv,Ev | BNDSTX Ev,GV,Gv
1c:
1d:
1e:
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index 9ff85bb8dd6..9d591c89580 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -641,6 +641,20 @@ no_context(struct pt_regs *regs, unsigned long error_code,
/* Are we prepared to handle this kernel fault? */
if (fixup_exception(regs)) {
+ /*
+ * Any interrupt that takes a fault gets the fixup. This makes
+ * the below recursive fault logic only apply to a faults from
+ * task context.
+ */
+ if (in_interrupt())
+ return;
+
+ /*
+ * Per the above we're !in_interrupt(), aka. task context.
+ *
+ * In this case we need to make sure we're not recursively
+ * faulting through the emulate_vsyscall() logic.
+ */
if (current_thread_info()->sig_on_uaccess_error && signal) {
tsk->thread.trap_nr = X86_TRAP_PF;
tsk->thread.error_code = error_code | PF_USER;
@@ -649,6 +663,10 @@ no_context(struct pt_regs *regs, unsigned long error_code,
/* XXX: hwpoison faults will set the wrong code. */
force_sig_info_fault(signal, si_code, address, tsk, 0);
}
+
+ /*
+ * Barring that, we can do the fixup and be happy.
+ */
return;
}
diff --git a/arch/x86/mm/gup.c b/arch/x86/mm/gup.c
index dd74e46828c..0596e8e0cc1 100644
--- a/arch/x86/mm/gup.c
+++ b/arch/x86/mm/gup.c
@@ -83,6 +83,12 @@ static noinline int gup_pte_range(pmd_t pmd, unsigned long addr,
pte_t pte = gup_get_pte(ptep);
struct page *page;
+ /* Similar to the PMD case, NUMA hinting must take slow path */
+ if (pte_numa(pte)) {
+ pte_unmap(ptep);
+ return 0;
+ }
+
if ((pte_flags(pte) & (mask | _PAGE_SPECIAL)) != mask) {
pte_unmap(ptep);
return 0;
@@ -167,6 +173,13 @@ static int gup_pmd_range(pud_t pud, unsigned long addr, unsigned long end,
if (pmd_none(pmd) || pmd_trans_splitting(pmd))
return 0;
if (unlikely(pmd_large(pmd))) {
+ /*
+ * NUMA hinting faults need to be handled in the GUP
+ * slowpath for accounting purposes and so that they
+ * can be serialised against THP migration.
+ */
+ if (pmd_numa(pmd))
+ return 0;
if (!gup_huge_pmd(pmd, addr, next, write, pages, nr))
return 0;
} else {
diff --git a/arch/x86/mm/hugetlbpage.c b/arch/x86/mm/hugetlbpage.c
index 9d980d88b74..8c9f647ff9e 100644
--- a/arch/x86/mm/hugetlbpage.c
+++ b/arch/x86/mm/hugetlbpage.c
@@ -87,9 +87,7 @@ int pmd_huge_support(void)
}
#endif
-/* x86_64 also uses this file */
-
-#ifdef HAVE_ARCH_HUGETLB_UNMAPPED_AREA
+#ifdef CONFIG_HUGETLB_PAGE
static unsigned long hugetlb_get_unmapped_area_bottomup(struct file *file,
unsigned long addr, unsigned long len,
unsigned long pgoff, unsigned long flags)
@@ -99,7 +97,7 @@ static unsigned long hugetlb_get_unmapped_area_bottomup(struct file *file,
info.flags = 0;
info.length = len;
- info.low_limit = TASK_UNMAPPED_BASE;
+ info.low_limit = current->mm->mmap_legacy_base;
info.high_limit = TASK_SIZE;
info.align_mask = PAGE_MASK & ~huge_page_mask(h);
info.align_offset = 0;
@@ -172,8 +170,7 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
return hugetlb_get_unmapped_area_topdown(file, addr, len,
pgoff, flags);
}
-
-#endif /*HAVE_ARCH_HUGETLB_UNMAPPED_AREA*/
+#endif /* CONFIG_HUGETLB_PAGE */
#ifdef CONFIG_X86_64
static __init int setup_hugepagesz(char *opt)
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 4287f1ffba7..e39504878ae 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -665,7 +665,7 @@ void __init initmem_init(void)
high_memory = (void *) __va(max_low_pfn * PAGE_SIZE - 1) + 1;
#endif
- memblock_set_node(0, (phys_addr_t)ULLONG_MAX, 0);
+ memblock_set_node(0, (phys_addr_t)ULLONG_MAX, &memblock.memory, 0);
sparse_memory_present_with_active_regions(0);
#ifdef CONFIG_FLATMEM
@@ -806,6 +806,9 @@ void __init mem_init(void)
BUILD_BUG_ON(VMALLOC_START >= VMALLOC_END);
#undef high_memory
#undef __FIXADDR_TOP
+#ifdef CONFIG_RANDOMIZE_BASE
+ BUILD_BUG_ON(CONFIG_RANDOMIZE_BASE_MAX_OFFSET > KERNEL_IMAGE_SIZE);
+#endif
#ifdef CONFIG_HIGHMEM
BUG_ON(PKMAP_BASE + LAST_PKMAP*PAGE_SIZE > FIXADDR_START);
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 104d56a9245..f35c66c5959 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -643,7 +643,7 @@ kernel_physical_mapping_init(unsigned long start,
#ifndef CONFIG_NUMA
void __init initmem_init(void)
{
- memblock_set_node(0, (phys_addr_t)ULLONG_MAX, 0);
+ memblock_set_node(0, (phys_addr_t)ULLONG_MAX, &memblock.memory, 0);
}
#endif
diff --git a/arch/x86/mm/kmmio.c b/arch/x86/mm/kmmio.c
index e5d5e2ce9f7..637ab34ed63 100644
--- a/arch/x86/mm/kmmio.c
+++ b/arch/x86/mm/kmmio.c
@@ -11,7 +11,6 @@
#include <linux/rculist.h>
#include <linux/spinlock.h>
#include <linux/hash.h>
-#include <linux/init.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/uaccess.h>
diff --git a/arch/x86/mm/memtest.c b/arch/x86/mm/memtest.c
index 8dabbed409e..1e9da795767 100644
--- a/arch/x86/mm/memtest.c
+++ b/arch/x86/mm/memtest.c
@@ -74,7 +74,7 @@ static void __init do_one_pass(u64 pattern, u64 start, u64 end)
u64 i;
phys_addr_t this_start, this_end;
- for_each_free_mem_range(i, MAX_NUMNODES, &this_start, &this_end, NULL) {
+ for_each_free_mem_range(i, NUMA_NO_NODE, &this_start, &this_end, NULL) {
this_start = clamp_t(phys_addr_t, this_start, start, end);
this_end = clamp_t(phys_addr_t, this_end, start, end);
if (this_start < this_end) {
diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
index 24aec58d6af..81b2750f366 100644
--- a/arch/x86/mm/numa.c
+++ b/arch/x86/mm/numa.c
@@ -211,9 +211,13 @@ static void __init setup_node_data(int nid, u64 start, u64 end)
*/
nd_pa = memblock_alloc_nid(nd_size, SMP_CACHE_BYTES, nid);
if (!nd_pa) {
- pr_err("Cannot find %zu bytes in node %d\n",
- nd_size, nid);
- return;
+ nd_pa = __memblock_alloc_base(nd_size, SMP_CACHE_BYTES,
+ MEMBLOCK_ALLOC_ACCESSIBLE);
+ if (!nd_pa) {
+ pr_err("Cannot find %zu bytes in node %d\n",
+ nd_size, nid);
+ return;
+ }
}
nd = __va(nd_pa);
@@ -487,7 +491,16 @@ static int __init numa_register_memblks(struct numa_meminfo *mi)
for (i = 0; i < mi->nr_blks; i++) {
struct numa_memblk *mb = &mi->blk[i];
- memblock_set_node(mb->start, mb->end - mb->start, mb->nid);
+ memblock_set_node(mb->start, mb->end - mb->start,
+ &memblock.memory, mb->nid);
+
+ /*
+ * At this time, all memory regions reserved by memblock are
+ * used by the kernel. Set the nid in memblock.reserved will
+ * mark out all the nodes the kernel resides in.
+ */
+ memblock_set_node(mb->start, mb->end - mb->start,
+ &memblock.reserved, mb->nid);
}
/*
@@ -549,6 +562,30 @@ static void __init numa_init_array(void)
}
}
+static void __init numa_clear_kernel_node_hotplug(void)
+{
+ int i, nid;
+ nodemask_t numa_kernel_nodes;
+ unsigned long start, end;
+ struct memblock_type *type = &memblock.reserved;
+
+ /* Mark all kernel nodes. */
+ for (i = 0; i < type->cnt; i++)
+ node_set(type->regions[i].nid, numa_kernel_nodes);
+
+ /* Clear MEMBLOCK_HOTPLUG flag for memory in kernel nodes. */
+ for (i = 0; i < numa_meminfo.nr_blks; i++) {
+ nid = numa_meminfo.blk[i].nid;
+ if (!node_isset(nid, numa_kernel_nodes))
+ continue;
+
+ start = numa_meminfo.blk[i].start;
+ end = numa_meminfo.blk[i].end;
+
+ memblock_clear_hotplug(start, end - start);
+ }
+}
+
static int __init numa_init(int (*init_func)(void))
{
int i;
@@ -561,7 +598,12 @@ static int __init numa_init(int (*init_func)(void))
nodes_clear(node_possible_map);
nodes_clear(node_online_map);
memset(&numa_meminfo, 0, sizeof(numa_meminfo));
- WARN_ON(memblock_set_node(0, ULLONG_MAX, MAX_NUMNODES));
+ WARN_ON(memblock_set_node(0, ULLONG_MAX, &memblock.memory,
+ MAX_NUMNODES));
+ WARN_ON(memblock_set_node(0, ULLONG_MAX, &memblock.reserved,
+ MAX_NUMNODES));
+ /* In case that parsing SRAT failed. */
+ WARN_ON(memblock_clear_hotplug(0, ULLONG_MAX));
numa_reset_distance();
ret = init_func();
@@ -597,6 +639,16 @@ static int __init numa_init(int (*init_func)(void))
numa_clear_node(i);
}
numa_init_array();
+
+ /*
+ * At very early time, the kernel have to use some memory such as
+ * loading the kernel image. We cannot prevent this anyway. So any
+ * node the kernel resides in should be un-hotpluggable.
+ *
+ * And when we come here, numa_init() won't fail.
+ */
+ numa_clear_kernel_node_hotplug();
+
return 0;
}
diff --git a/arch/x86/mm/pageattr-test.c b/arch/x86/mm/pageattr-test.c
index d0b1773d9d2..461bc828902 100644
--- a/arch/x86/mm/pageattr-test.c
+++ b/arch/x86/mm/pageattr-test.c
@@ -8,7 +8,6 @@
#include <linux/kthread.h>
#include <linux/random.h>
#include <linux/kernel.h>
-#include <linux/init.h>
#include <linux/mm.h>
#include <asm/cacheflush.h>
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index bb32480c2d7..b3b19f46c01 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -30,6 +30,7 @@
*/
struct cpa_data {
unsigned long *vaddr;
+ pgd_t *pgd;
pgprot_t mask_set;
pgprot_t mask_clr;
int numpages;
@@ -322,17 +323,9 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address,
return prot;
}
-/*
- * Lookup the page table entry for a virtual address. Return a pointer
- * to the entry and the level of the mapping.
- *
- * Note: We return pud and pmd either when the entry is marked large
- * or when the present bit is not set. Otherwise we would return a
- * pointer to a nonexisting mapping.
- */
-pte_t *lookup_address(unsigned long address, unsigned int *level)
+static pte_t *__lookup_address_in_pgd(pgd_t *pgd, unsigned long address,
+ unsigned int *level)
{
- pgd_t *pgd = pgd_offset_k(address);
pud_t *pud;
pmd_t *pmd;
@@ -361,8 +354,31 @@ pte_t *lookup_address(unsigned long address, unsigned int *level)
return pte_offset_kernel(pmd, address);
}
+
+/*
+ * Lookup the page table entry for a virtual address. Return a pointer
+ * to the entry and the level of the mapping.
+ *
+ * Note: We return pud and pmd either when the entry is marked large
+ * or when the present bit is not set. Otherwise we would return a
+ * pointer to a nonexisting mapping.
+ */
+pte_t *lookup_address(unsigned long address, unsigned int *level)
+{
+ return __lookup_address_in_pgd(pgd_offset_k(address), address, level);
+}
EXPORT_SYMBOL_GPL(lookup_address);
+static pte_t *_lookup_address_cpa(struct cpa_data *cpa, unsigned long address,
+ unsigned int *level)
+{
+ if (cpa->pgd)
+ return __lookup_address_in_pgd(cpa->pgd + pgd_index(address),
+ address, level);
+
+ return lookup_address(address, level);
+}
+
/*
* This is necessary because __pa() does not work on some
* kinds of memory, like vmalloc() or the alloc_remap()
@@ -437,7 +453,7 @@ try_preserve_large_page(pte_t *kpte, unsigned long address,
* Check for races, another CPU might have split this page
* up already:
*/
- tmp = lookup_address(address, &level);
+ tmp = _lookup_address_cpa(cpa, address, &level);
if (tmp != kpte)
goto out_unlock;
@@ -543,7 +559,8 @@ out_unlock:
}
static int
-__split_large_page(pte_t *kpte, unsigned long address, struct page *base)
+__split_large_page(struct cpa_data *cpa, pte_t *kpte, unsigned long address,
+ struct page *base)
{
pte_t *pbase = (pte_t *)page_address(base);
unsigned long pfn, pfninc = 1;
@@ -556,7 +573,7 @@ __split_large_page(pte_t *kpte, unsigned long address, struct page *base)
* Check for races, another CPU might have split this page
* up for us already:
*/
- tmp = lookup_address(address, &level);
+ tmp = _lookup_address_cpa(cpa, address, &level);
if (tmp != kpte) {
spin_unlock(&pgd_lock);
return 1;
@@ -632,7 +649,8 @@ __split_large_page(pte_t *kpte, unsigned long address, struct page *base)
return 0;
}
-static int split_large_page(pte_t *kpte, unsigned long address)
+static int split_large_page(struct cpa_data *cpa, pte_t *kpte,
+ unsigned long address)
{
struct page *base;
@@ -644,15 +662,390 @@ static int split_large_page(pte_t *kpte, unsigned long address)
if (!base)
return -ENOMEM;
- if (__split_large_page(kpte, address, base))
+ if (__split_large_page(cpa, kpte, address, base))
__free_page(base);
return 0;
}
+static bool try_to_free_pte_page(pte_t *pte)
+{
+ int i;
+
+ for (i = 0; i < PTRS_PER_PTE; i++)
+ if (!pte_none(pte[i]))
+ return false;
+
+ free_page((unsigned long)pte);
+ return true;
+}
+
+static bool try_to_free_pmd_page(pmd_t *pmd)
+{
+ int i;
+
+ for (i = 0; i < PTRS_PER_PMD; i++)
+ if (!pmd_none(pmd[i]))
+ return false;
+
+ free_page((unsigned long)pmd);
+ return true;
+}
+
+static bool unmap_pte_range(pmd_t *pmd, unsigned long start, unsigned long end)
+{
+ pte_t *pte = pte_offset_kernel(pmd, start);
+
+ while (start < end) {
+ set_pte(pte, __pte(0));
+
+ start += PAGE_SIZE;
+ pte++;
+ }
+
+ if (try_to_free_pte_page((pte_t *)pmd_page_vaddr(*pmd))) {
+ pmd_clear(pmd);
+ return true;
+ }
+ return false;
+}
+
+static void __unmap_pmd_range(pud_t *pud, pmd_t *pmd,
+ unsigned long start, unsigned long end)
+{
+ if (unmap_pte_range(pmd, start, end))
+ if (try_to_free_pmd_page((pmd_t *)pud_page_vaddr(*pud)))
+ pud_clear(pud);
+}
+
+static void unmap_pmd_range(pud_t *pud, unsigned long start, unsigned long end)
+{
+ pmd_t *pmd = pmd_offset(pud, start);
+
+ /*
+ * Not on a 2MB page boundary?
+ */
+ if (start & (PMD_SIZE - 1)) {
+ unsigned long next_page = (start + PMD_SIZE) & PMD_MASK;
+ unsigned long pre_end = min_t(unsigned long, end, next_page);
+
+ __unmap_pmd_range(pud, pmd, start, pre_end);
+
+ start = pre_end;
+ pmd++;
+ }
+
+ /*
+ * Try to unmap in 2M chunks.
+ */
+ while (end - start >= PMD_SIZE) {
+ if (pmd_large(*pmd))
+ pmd_clear(pmd);
+ else
+ __unmap_pmd_range(pud, pmd, start, start + PMD_SIZE);
+
+ start += PMD_SIZE;
+ pmd++;
+ }
+
+ /*
+ * 4K leftovers?
+ */
+ if (start < end)
+ return __unmap_pmd_range(pud, pmd, start, end);
+
+ /*
+ * Try again to free the PMD page if haven't succeeded above.
+ */
+ if (!pud_none(*pud))
+ if (try_to_free_pmd_page((pmd_t *)pud_page_vaddr(*pud)))
+ pud_clear(pud);
+}
+
+static void unmap_pud_range(pgd_t *pgd, unsigned long start, unsigned long end)
+{
+ pud_t *pud = pud_offset(pgd, start);
+
+ /*
+ * Not on a GB page boundary?
+ */
+ if (start & (PUD_SIZE - 1)) {
+ unsigned long next_page = (start + PUD_SIZE) & PUD_MASK;
+ unsigned long pre_end = min_t(unsigned long, end, next_page);
+
+ unmap_pmd_range(pud, start, pre_end);
+
+ start = pre_end;
+ pud++;
+ }
+
+ /*
+ * Try to unmap in 1G chunks?
+ */
+ while (end - start >= PUD_SIZE) {
+
+ if (pud_large(*pud))
+ pud_clear(pud);
+ else
+ unmap_pmd_range(pud, start, start + PUD_SIZE);
+
+ start += PUD_SIZE;
+ pud++;
+ }
+
+ /*
+ * 2M leftovers?
+ */
+ if (start < end)
+ unmap_pmd_range(pud, start, end);
+
+ /*
+ * No need to try to free the PUD page because we'll free it in
+ * populate_pgd's error path
+ */
+}
+
+static int alloc_pte_page(pmd_t *pmd)
+{
+ pte_t *pte = (pte_t *)get_zeroed_page(GFP_KERNEL | __GFP_NOTRACK);
+ if (!pte)
+ return -1;
+
+ set_pmd(pmd, __pmd(__pa(pte) | _KERNPG_TABLE));
+ return 0;
+}
+
+static int alloc_pmd_page(pud_t *pud)
+{
+ pmd_t *pmd = (pmd_t *)get_zeroed_page(GFP_KERNEL | __GFP_NOTRACK);
+ if (!pmd)
+ return -1;
+
+ set_pud(pud, __pud(__pa(pmd) | _KERNPG_TABLE));
+ return 0;
+}
+
+static void populate_pte(struct cpa_data *cpa,
+ unsigned long start, unsigned long end,
+ unsigned num_pages, pmd_t *pmd, pgprot_t pgprot)
+{
+ pte_t *pte;
+
+ pte = pte_offset_kernel(pmd, start);
+
+ while (num_pages-- && start < end) {
+
+ /* deal with the NX bit */
+ if (!(pgprot_val(pgprot) & _PAGE_NX))
+ cpa->pfn &= ~_PAGE_NX;
+
+ set_pte(pte, pfn_pte(cpa->pfn >> PAGE_SHIFT, pgprot));
+
+ start += PAGE_SIZE;
+ cpa->pfn += PAGE_SIZE;
+ pte++;
+ }
+}
+
+static int populate_pmd(struct cpa_data *cpa,
+ unsigned long start, unsigned long end,
+ unsigned num_pages, pud_t *pud, pgprot_t pgprot)
+{
+ unsigned int cur_pages = 0;
+ pmd_t *pmd;
+
+ /*
+ * Not on a 2M boundary?
+ */
+ if (start & (PMD_SIZE - 1)) {
+ unsigned long pre_end = start + (num_pages << PAGE_SHIFT);
+ unsigned long next_page = (start + PMD_SIZE) & PMD_MASK;
+
+ pre_end = min_t(unsigned long, pre_end, next_page);
+ cur_pages = (pre_end - start) >> PAGE_SHIFT;
+ cur_pages = min_t(unsigned int, num_pages, cur_pages);
+
+ /*
+ * Need a PTE page?
+ */
+ pmd = pmd_offset(pud, start);
+ if (pmd_none(*pmd))
+ if (alloc_pte_page(pmd))
+ return -1;
+
+ populate_pte(cpa, start, pre_end, cur_pages, pmd, pgprot);
+
+ start = pre_end;
+ }
+
+ /*
+ * We mapped them all?
+ */
+ if (num_pages == cur_pages)
+ return cur_pages;
+
+ while (end - start >= PMD_SIZE) {
+
+ /*
+ * We cannot use a 1G page so allocate a PMD page if needed.
+ */
+ if (pud_none(*pud))
+ if (alloc_pmd_page(pud))
+ return -1;
+
+ pmd = pmd_offset(pud, start);
+
+ set_pmd(pmd, __pmd(cpa->pfn | _PAGE_PSE | massage_pgprot(pgprot)));
+
+ start += PMD_SIZE;
+ cpa->pfn += PMD_SIZE;
+ cur_pages += PMD_SIZE >> PAGE_SHIFT;
+ }
+
+ /*
+ * Map trailing 4K pages.
+ */
+ if (start < end) {
+ pmd = pmd_offset(pud, start);
+ if (pmd_none(*pmd))
+ if (alloc_pte_page(pmd))
+ return -1;
+
+ populate_pte(cpa, start, end, num_pages - cur_pages,
+ pmd, pgprot);
+ }
+ return num_pages;
+}
+
+static int populate_pud(struct cpa_data *cpa, unsigned long start, pgd_t *pgd,
+ pgprot_t pgprot)
+{
+ pud_t *pud;
+ unsigned long end;
+ int cur_pages = 0;
+
+ end = start + (cpa->numpages << PAGE_SHIFT);
+
+ /*
+ * Not on a Gb page boundary? => map everything up to it with
+ * smaller pages.
+ */
+ if (start & (PUD_SIZE - 1)) {
+ unsigned long pre_end;
+ unsigned long next_page = (start + PUD_SIZE) & PUD_MASK;
+
+ pre_end = min_t(unsigned long, end, next_page);
+ cur_pages = (pre_end - start) >> PAGE_SHIFT;
+ cur_pages = min_t(int, (int)cpa->numpages, cur_pages);
+
+ pud = pud_offset(pgd, start);
+
+ /*
+ * Need a PMD page?
+ */
+ if (pud_none(*pud))
+ if (alloc_pmd_page(pud))
+ return -1;
+
+ cur_pages = populate_pmd(cpa, start, pre_end, cur_pages,
+ pud, pgprot);
+ if (cur_pages < 0)
+ return cur_pages;
+
+ start = pre_end;
+ }
+
+ /* We mapped them all? */
+ if (cpa->numpages == cur_pages)
+ return cur_pages;
+
+ pud = pud_offset(pgd, start);
+
+ /*
+ * Map everything starting from the Gb boundary, possibly with 1G pages
+ */
+ while (end - start >= PUD_SIZE) {
+ set_pud(pud, __pud(cpa->pfn | _PAGE_PSE | massage_pgprot(pgprot)));
+
+ start += PUD_SIZE;
+ cpa->pfn += PUD_SIZE;
+ cur_pages += PUD_SIZE >> PAGE_SHIFT;
+ pud++;
+ }
+
+ /* Map trailing leftover */
+ if (start < end) {
+ int tmp;
+
+ pud = pud_offset(pgd, start);
+ if (pud_none(*pud))
+ if (alloc_pmd_page(pud))
+ return -1;
+
+ tmp = populate_pmd(cpa, start, end, cpa->numpages - cur_pages,
+ pud, pgprot);
+ if (tmp < 0)
+ return cur_pages;
+
+ cur_pages += tmp;
+ }
+ return cur_pages;
+}
+
+/*
+ * Restrictions for kernel page table do not necessarily apply when mapping in
+ * an alternate PGD.
+ */
+static int populate_pgd(struct cpa_data *cpa, unsigned long addr)
+{
+ pgprot_t pgprot = __pgprot(_KERNPG_TABLE);
+ bool allocd_pgd = false;
+ pgd_t *pgd_entry;
+ pud_t *pud = NULL; /* shut up gcc */
+ int ret;
+
+ pgd_entry = cpa->pgd + pgd_index(addr);
+
+ /*
+ * Allocate a PUD page and hand it down for mapping.
+ */
+ if (pgd_none(*pgd_entry)) {
+ pud = (pud_t *)get_zeroed_page(GFP_KERNEL | __GFP_NOTRACK);
+ if (!pud)
+ return -1;
+
+ set_pgd(pgd_entry, __pgd(__pa(pud) | _KERNPG_TABLE));
+ allocd_pgd = true;
+ }
+
+ pgprot_val(pgprot) &= ~pgprot_val(cpa->mask_clr);
+ pgprot_val(pgprot) |= pgprot_val(cpa->mask_set);
+
+ ret = populate_pud(cpa, addr, pgd_entry, pgprot);
+ if (ret < 0) {
+ unmap_pud_range(pgd_entry, addr,
+ addr + (cpa->numpages << PAGE_SHIFT));
+
+ if (allocd_pgd) {
+ /*
+ * If I allocated this PUD page, I can just as well
+ * free it in this error path.
+ */
+ pgd_clear(pgd_entry);
+ free_page((unsigned long)pud);
+ }
+ return ret;
+ }
+ cpa->numpages = ret;
+ return 0;
+}
+
static int __cpa_process_fault(struct cpa_data *cpa, unsigned long vaddr,
int primary)
{
+ if (cpa->pgd)
+ return populate_pgd(cpa, vaddr);
+
/*
* Ignore all non primary paths.
*/
@@ -697,7 +1090,7 @@ static int __change_page_attr(struct cpa_data *cpa, int primary)
else
address = *cpa->vaddr;
repeat:
- kpte = lookup_address(address, &level);
+ kpte = _lookup_address_cpa(cpa, address, &level);
if (!kpte)
return __cpa_process_fault(cpa, address, primary);
@@ -761,7 +1154,7 @@ repeat:
/*
* We have to split the large page:
*/
- err = split_large_page(kpte, address);
+ err = split_large_page(cpa, kpte, address);
if (!err) {
/*
* Do a global flush tlb after splitting the large page
@@ -910,6 +1303,8 @@ static int change_page_attr_set_clr(unsigned long *addr, int numpages,
int ret, cache, checkalias;
unsigned long baddr = 0;
+ memset(&cpa, 0, sizeof(cpa));
+
/*
* Check, if we are requested to change a not supported
* feature:
@@ -1356,6 +1751,7 @@ static int __set_pages_p(struct page *page, int numpages)
{
unsigned long tempaddr = (unsigned long) page_address(page);
struct cpa_data cpa = { .vaddr = &tempaddr,
+ .pgd = NULL,
.numpages = numpages,
.mask_set = __pgprot(_PAGE_PRESENT | _PAGE_RW),
.mask_clr = __pgprot(0),
@@ -1374,6 +1770,7 @@ static int __set_pages_np(struct page *page, int numpages)
{
unsigned long tempaddr = (unsigned long) page_address(page);
struct cpa_data cpa = { .vaddr = &tempaddr,
+ .pgd = NULL,
.numpages = numpages,
.mask_set = __pgprot(0),
.mask_clr = __pgprot(_PAGE_PRESENT | _PAGE_RW),
@@ -1434,6 +1831,36 @@ bool kernel_page_present(struct page *page)
#endif /* CONFIG_DEBUG_PAGEALLOC */
+int kernel_map_pages_in_pgd(pgd_t *pgd, u64 pfn, unsigned long address,
+ unsigned numpages, unsigned long page_flags)
+{
+ int retval = -EINVAL;
+
+ struct cpa_data cpa = {
+ .vaddr = &address,
+ .pfn = pfn,
+ .pgd = pgd,
+ .numpages = numpages,
+ .mask_set = __pgprot(0),
+ .mask_clr = __pgprot(0),
+ .flags = 0,
+ };
+
+ if (!(__supported_pte_mask & _PAGE_NX))
+ goto out;
+
+ if (!(page_flags & _PAGE_NX))
+ cpa.mask_clr = __pgprot(_PAGE_NX);
+
+ cpa.mask_set = __pgprot(_PAGE_PRESENT | page_flags);
+
+ retval = __change_page_attr_set_clr(&cpa, 0);
+ __flush_tlb_all();
+
+out:
+ return retval;
+}
+
/*
* The testcases use internal knowledge of the implementation that shouldn't
* be exposed to the rest of the kernel. Include these directly here.
diff --git a/arch/x86/mm/srat.c b/arch/x86/mm/srat.c
index 266ca912f62..1a25187e151 100644
--- a/arch/x86/mm/srat.c
+++ b/arch/x86/mm/srat.c
@@ -181,6 +181,11 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
(unsigned long long) start, (unsigned long long) end - 1,
hotpluggable ? " hotplug" : "");
+ /* Mark hotplug range in memblock. */
+ if (hotpluggable && memblock_mark_hotplug(start, ma->length))
+ pr_warn("SRAT: Failed to mark hotplug range [mem %#010Lx-%#010Lx] in memblock\n",
+ (unsigned long long)start, (unsigned long long)end - 1);
+
return 0;
out_err_bad_srat:
bad_srat();
diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c
index 26328e80086..4ed75dd81d0 100644
--- a/arch/x86/net/bpf_jit_comp.c
+++ b/arch/x86/net/bpf_jit_comp.c
@@ -359,15 +359,21 @@ void bpf_jit_compile(struct sk_filter *fp)
EMIT2(0x89, 0xd0); /* mov %edx,%eax */
break;
case BPF_S_ALU_MOD_K: /* A %= K; */
+ if (K == 1) {
+ CLEAR_A();
+ break;
+ }
EMIT2(0x31, 0xd2); /* xor %edx,%edx */
EMIT1(0xb9);EMIT(K, 4); /* mov imm32,%ecx */
EMIT2(0xf7, 0xf1); /* div %ecx */
EMIT2(0x89, 0xd0); /* mov %edx,%eax */
break;
- case BPF_S_ALU_DIV_K: /* A = reciprocal_divide(A, K); */
- EMIT3(0x48, 0x69, 0xc0); /* imul imm32,%rax,%rax */
- EMIT(K, 4);
- EMIT4(0x48, 0xc1, 0xe8, 0x20); /* shr $0x20,%rax */
+ case BPF_S_ALU_DIV_K: /* A /= K */
+ if (K == 1)
+ break;
+ EMIT2(0x31, 0xd2); /* xor %edx,%edx */
+ EMIT1(0xb9);EMIT(K, 4); /* mov imm32,%ecx */
+ EMIT2(0xf7, 0xf1); /* div %ecx */
break;
case BPF_S_ALU_AND_X:
seen |= SEEN_XREG;
diff --git a/arch/x86/pci/fixup.c b/arch/x86/pci/fixup.c
index b046e070e08..bca9e85daaa 100644
--- a/arch/x86/pci/fixup.c
+++ b/arch/x86/pci/fixup.c
@@ -5,7 +5,6 @@
#include <linux/delay.h>
#include <linux/dmi.h>
#include <linux/pci.h>
-#include <linux/init.h>
#include <linux/vgaarb.h>
#include <asm/pci_x86.h>
diff --git a/arch/x86/pci/intel_mid_pci.c b/arch/x86/pci/intel_mid_pci.c
index 51384ca727a..84b9d672843 100644
--- a/arch/x86/pci/intel_mid_pci.c
+++ b/arch/x86/pci/intel_mid_pci.c
@@ -31,6 +31,7 @@
#include <asm/pci_x86.h>
#include <asm/hw_irq.h>
#include <asm/io_apic.h>
+#include <asm/intel-mid.h>
#define PCIE_CAP_OFFSET 0x100
@@ -219,7 +220,10 @@ static int intel_mid_pci_irq_enable(struct pci_dev *dev)
irq_attr.ioapic = mp_find_ioapic(dev->irq);
irq_attr.ioapic_pin = dev->irq;
irq_attr.trigger = 1; /* level */
- irq_attr.polarity = 1; /* active low */
+ if (intel_mid_identify_cpu() == INTEL_MID_CPU_CHIP_TANGIER)
+ irq_attr.polarity = 0; /* active high */
+ else
+ irq_attr.polarity = 1; /* active low */
io_apic_set_pci_routing(&dev->dev, dev->irq, &irq_attr);
return 0;
diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c
index 5eee4959785..103e702ec5a 100644
--- a/arch/x86/pci/xen.c
+++ b/arch/x86/pci/xen.c
@@ -337,7 +337,7 @@ out:
return ret;
}
-static void xen_initdom_restore_msi_irqs(struct pci_dev *dev, int irq)
+static void xen_initdom_restore_msi_irqs(struct pci_dev *dev)
{
int ret = 0;
diff --git a/arch/x86/platform/efi/early_printk.c b/arch/x86/platform/efi/early_printk.c
index 6599a0027b7..81b506d5bef 100644
--- a/arch/x86/platform/efi/early_printk.c
+++ b/arch/x86/platform/efi/early_printk.c
@@ -142,7 +142,7 @@ early_efi_write(struct console *con, const char *str, unsigned int num)
efi_y += font->height;
}
- if (efi_y + font->height >= si->lfb_height) {
+ if (efi_y + font->height > si->lfb_height) {
u32 i;
efi_y -= font->height;
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index 92c02344a06..d62ec87a2b2 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -12,6 +12,8 @@
* Bibo Mao <bibo.mao@intel.com>
* Chandramouli Narayanan <mouli@linux.intel.com>
* Huang Ying <ying.huang@intel.com>
+ * Copyright (C) 2013 SuSE Labs
+ * Borislav Petkov <bp@suse.de> - runtime services VA mapping
*
* Copied from efi_32.c to eliminate the duplicated code between EFI
* 32/64 support code. --ying 2007-10-26
@@ -51,7 +53,7 @@
#include <asm/x86_init.h>
#include <asm/rtc.h>
-#define EFI_DEBUG 1
+#define EFI_DEBUG
#define EFI_MIN_RESERVE 5120
@@ -74,6 +76,8 @@ static __initdata efi_config_table_type_t arch_tables[] = {
{NULL_GUID, NULL, NULL},
};
+u64 efi_setup; /* efi setup_data physical address */
+
/*
* Returns 1 if 'facility' is enabled, 0 otherwise.
*/
@@ -110,7 +114,6 @@ static int __init setup_storage_paranoia(char *arg)
}
early_param("efi_no_storage_paranoia", setup_storage_paranoia);
-
static efi_status_t virt_efi_get_time(efi_time_t *tm, efi_time_cap_t *tc)
{
unsigned long flags;
@@ -398,9 +401,9 @@ int __init efi_memblock_x86_reserve_range(void)
return 0;
}
-#if EFI_DEBUG
static void __init print_efi_memmap(void)
{
+#ifdef EFI_DEBUG
efi_memory_desc_t *md;
void *p;
int i;
@@ -415,8 +418,8 @@ static void __init print_efi_memmap(void)
md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT),
(md->num_pages >> (20 - EFI_PAGE_SHIFT)));
}
-}
#endif /* EFI_DEBUG */
+}
void __init efi_reserve_boot_services(void)
{
@@ -436,7 +439,7 @@ void __init efi_reserve_boot_services(void)
* - Not within any part of the kernel
* - Not the bios reserved area
*/
- if ((start+size >= __pa_symbol(_text)
+ if ((start + size > __pa_symbol(_text)
&& start <= __pa_symbol(_end)) ||
!e820_all_mapped(start, start+size, E820_RAM) ||
memblock_is_region_reserved(start, size)) {
@@ -489,18 +492,27 @@ static int __init efi_systab_init(void *phys)
{
if (efi_enabled(EFI_64BIT)) {
efi_system_table_64_t *systab64;
+ struct efi_setup_data *data = NULL;
u64 tmp = 0;
+ if (efi_setup) {
+ data = early_memremap(efi_setup, sizeof(*data));
+ if (!data)
+ return -ENOMEM;
+ }
systab64 = early_ioremap((unsigned long)phys,
sizeof(*systab64));
if (systab64 == NULL) {
pr_err("Couldn't map the system table!\n");
+ if (data)
+ early_iounmap(data, sizeof(*data));
return -ENOMEM;
}
efi_systab.hdr = systab64->hdr;
- efi_systab.fw_vendor = systab64->fw_vendor;
- tmp |= systab64->fw_vendor;
+ efi_systab.fw_vendor = data ? (unsigned long)data->fw_vendor :
+ systab64->fw_vendor;
+ tmp |= data ? data->fw_vendor : systab64->fw_vendor;
efi_systab.fw_revision = systab64->fw_revision;
efi_systab.con_in_handle = systab64->con_in_handle;
tmp |= systab64->con_in_handle;
@@ -514,15 +526,20 @@ static int __init efi_systab_init(void *phys)
tmp |= systab64->stderr_handle;
efi_systab.stderr = systab64->stderr;
tmp |= systab64->stderr;
- efi_systab.runtime = (void *)(unsigned long)systab64->runtime;
- tmp |= systab64->runtime;
+ efi_systab.runtime = data ?
+ (void *)(unsigned long)data->runtime :
+ (void *)(unsigned long)systab64->runtime;
+ tmp |= data ? data->runtime : systab64->runtime;
efi_systab.boottime = (void *)(unsigned long)systab64->boottime;
tmp |= systab64->boottime;
efi_systab.nr_tables = systab64->nr_tables;
- efi_systab.tables = systab64->tables;
- tmp |= systab64->tables;
+ efi_systab.tables = data ? (unsigned long)data->tables :
+ systab64->tables;
+ tmp |= data ? data->tables : systab64->tables;
early_iounmap(systab64, sizeof(*systab64));
+ if (data)
+ early_iounmap(data, sizeof(*data));
#ifdef CONFIG_X86_32
if (tmp >> 32) {
pr_err("EFI data located above 4GB, disabling EFI.\n");
@@ -626,6 +643,62 @@ static int __init efi_memmap_init(void)
return 0;
}
+/*
+ * A number of config table entries get remapped to virtual addresses
+ * after entering EFI virtual mode. However, the kexec kernel requires
+ * their physical addresses therefore we pass them via setup_data and
+ * correct those entries to their respective physical addresses here.
+ *
+ * Currently only handles smbios which is necessary for some firmware
+ * implementation.
+ */
+static int __init efi_reuse_config(u64 tables, int nr_tables)
+{
+ int i, sz, ret = 0;
+ void *p, *tablep;
+ struct efi_setup_data *data;
+
+ if (!efi_setup)
+ return 0;
+
+ if (!efi_enabled(EFI_64BIT))
+ return 0;
+
+ data = early_memremap(efi_setup, sizeof(*data));
+ if (!data) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ if (!data->smbios)
+ goto out_memremap;
+
+ sz = sizeof(efi_config_table_64_t);
+
+ p = tablep = early_memremap(tables, nr_tables * sz);
+ if (!p) {
+ pr_err("Could not map Configuration table!\n");
+ ret = -ENOMEM;
+ goto out_memremap;
+ }
+
+ for (i = 0; i < efi.systab->nr_tables; i++) {
+ efi_guid_t guid;
+
+ guid = ((efi_config_table_64_t *)p)->guid;
+
+ if (!efi_guidcmp(guid, SMBIOS_TABLE_GUID))
+ ((efi_config_table_64_t *)p)->table = data->smbios;
+ p += sz;
+ }
+ early_iounmap(tablep, nr_tables * sz);
+
+out_memremap:
+ early_iounmap(data, sizeof(*data));
+out:
+ return ret;
+}
+
void __init efi_init(void)
{
efi_char16_t *c16;
@@ -651,6 +724,10 @@ void __init efi_init(void)
set_bit(EFI_SYSTEM_TABLES, &x86_efi_facility);
+ efi.config_table = (unsigned long)efi.systab->tables;
+ efi.fw_vendor = (unsigned long)efi.systab->fw_vendor;
+ efi.runtime = (unsigned long)efi.systab->runtime;
+
/*
* Show what we know for posterity
*/
@@ -667,6 +744,9 @@ void __init efi_init(void)
efi.systab->hdr.revision >> 16,
efi.systab->hdr.revision & 0xffff, vendor);
+ if (efi_reuse_config(efi.systab->tables, efi.systab->nr_tables))
+ return;
+
if (efi_config_init(arch_tables))
return;
@@ -684,22 +764,12 @@ void __init efi_init(void)
return;
set_bit(EFI_RUNTIME_SERVICES, &x86_efi_facility);
}
-
if (efi_memmap_init())
return;
set_bit(EFI_MEMMAP, &x86_efi_facility);
-#ifdef CONFIG_X86_32
- if (efi_is_native()) {
- x86_platform.get_wallclock = efi_get_time;
- x86_platform.set_wallclock = efi_set_rtc_mmss;
- }
-#endif
-
-#if EFI_DEBUG
print_efi_memmap();
-#endif
}
void __init efi_late_init(void)
@@ -748,36 +818,38 @@ void efi_memory_uc(u64 addr, unsigned long size)
set_memory_uc(addr, npages);
}
-/*
- * This function will switch the EFI runtime services to virtual mode.
- * Essentially, look through the EFI memmap and map every region that
- * has the runtime attribute bit set in its memory descriptor and update
- * that memory descriptor with the virtual address obtained from ioremap().
- * This enables the runtime services to be called without having to
- * thunk back into physical mode for every invocation.
- */
-void __init efi_enter_virtual_mode(void)
+void __init old_map_region(efi_memory_desc_t *md)
{
- efi_memory_desc_t *md, *prev_md = NULL;
- efi_status_t status;
+ u64 start_pfn, end_pfn, end;
unsigned long size;
- u64 end, systab, start_pfn, end_pfn;
- void *p, *va, *new_memmap = NULL;
- int count = 0;
+ void *va;
- efi.systab = NULL;
+ start_pfn = PFN_DOWN(md->phys_addr);
+ size = md->num_pages << PAGE_SHIFT;
+ end = md->phys_addr + size;
+ end_pfn = PFN_UP(end);
- /*
- * We don't do virtual mode, since we don't do runtime services, on
- * non-native EFI
- */
+ if (pfn_range_is_mapped(start_pfn, end_pfn)) {
+ va = __va(md->phys_addr);
- if (!efi_is_native()) {
- efi_unmap_memmap();
- return;
- }
+ if (!(md->attribute & EFI_MEMORY_WB))
+ efi_memory_uc((u64)(unsigned long)va, size);
+ } else
+ va = efi_ioremap(md->phys_addr, size,
+ md->type, md->attribute);
+
+ md->virt_addr = (u64) (unsigned long) va;
+ if (!va)
+ pr_err("ioremap of 0x%llX failed!\n",
+ (unsigned long long)md->phys_addr);
+}
+
+/* Merge contiguous regions of the same type and attribute */
+static void __init efi_merge_regions(void)
+{
+ void *p;
+ efi_memory_desc_t *md, *prev_md = NULL;
- /* Merge contiguous regions of the same type and attribute */
for (p = memmap.map; p < memmap.map_end; p += memmap.desc_size) {
u64 prev_size;
md = p;
@@ -803,6 +875,77 @@ void __init efi_enter_virtual_mode(void)
}
prev_md = md;
}
+}
+
+static void __init get_systab_virt_addr(efi_memory_desc_t *md)
+{
+ unsigned long size;
+ u64 end, systab;
+
+ size = md->num_pages << EFI_PAGE_SHIFT;
+ end = md->phys_addr + size;
+ systab = (u64)(unsigned long)efi_phys.systab;
+ if (md->phys_addr <= systab && systab < end) {
+ systab += md->virt_addr - md->phys_addr;
+ efi.systab = (efi_system_table_t *)(unsigned long)systab;
+ }
+}
+
+static int __init save_runtime_map(void)
+{
+ efi_memory_desc_t *md;
+ void *tmp, *p, *q = NULL;
+ int count = 0;
+
+ for (p = memmap.map; p < memmap.map_end; p += memmap.desc_size) {
+ md = p;
+
+ if (!(md->attribute & EFI_MEMORY_RUNTIME) ||
+ (md->type == EFI_BOOT_SERVICES_CODE) ||
+ (md->type == EFI_BOOT_SERVICES_DATA))
+ continue;
+ tmp = krealloc(q, (count + 1) * memmap.desc_size, GFP_KERNEL);
+ if (!tmp)
+ goto out;
+ q = tmp;
+
+ memcpy(q + count * memmap.desc_size, md, memmap.desc_size);
+ count++;
+ }
+
+ efi_runtime_map_setup(q, count, memmap.desc_size);
+
+ return 0;
+out:
+ kfree(q);
+ return -ENOMEM;
+}
+
+/*
+ * Map efi regions which were passed via setup_data. The virt_addr is a fixed
+ * addr which was used in first kernel of a kexec boot.
+ */
+static void __init efi_map_regions_fixed(void)
+{
+ void *p;
+ efi_memory_desc_t *md;
+
+ for (p = memmap.map; p < memmap.map_end; p += memmap.desc_size) {
+ md = p;
+ efi_map_region_fixed(md); /* FIXME: add error handling */
+ get_systab_virt_addr(md);
+ }
+
+}
+
+/*
+ * Map efi memory ranges for runtime serivce and update new_memmap with virtual
+ * addresses.
+ */
+static void * __init efi_map_regions(int *count)
+{
+ efi_memory_desc_t *md;
+ void *p, *tmp, *new_memmap = NULL;
for (p = memmap.map; p < memmap.map_end; p += memmap.desc_size) {
md = p;
@@ -814,53 +957,95 @@ void __init efi_enter_virtual_mode(void)
continue;
}
- size = md->num_pages << EFI_PAGE_SHIFT;
- end = md->phys_addr + size;
+ efi_map_region(md);
+ get_systab_virt_addr(md);
- start_pfn = PFN_DOWN(md->phys_addr);
- end_pfn = PFN_UP(end);
- if (pfn_range_is_mapped(start_pfn, end_pfn)) {
- va = __va(md->phys_addr);
+ tmp = krealloc(new_memmap, (*count + 1) * memmap.desc_size,
+ GFP_KERNEL);
+ if (!tmp)
+ goto out;
+ new_memmap = tmp;
+ memcpy(new_memmap + (*count * memmap.desc_size), md,
+ memmap.desc_size);
+ (*count)++;
+ }
- if (!(md->attribute & EFI_MEMORY_WB))
- efi_memory_uc((u64)(unsigned long)va, size);
- } else
- va = efi_ioremap(md->phys_addr, size,
- md->type, md->attribute);
+ return new_memmap;
+out:
+ kfree(new_memmap);
+ return NULL;
+}
+
+/*
+ * This function will switch the EFI runtime services to virtual mode.
+ * Essentially, we look through the EFI memmap and map every region that
+ * has the runtime attribute bit set in its memory descriptor into the
+ * ->trampoline_pgd page table using a top-down VA allocation scheme.
+ *
+ * The old method which used to update that memory descriptor with the
+ * virtual address obtained from ioremap() is still supported when the
+ * kernel is booted with efi=old_map on its command line. Same old
+ * method enabled the runtime services to be called without having to
+ * thunk back into physical mode for every invocation.
+ *
+ * The new method does a pagetable switch in a preemption-safe manner
+ * so that we're in a different address space when calling a runtime
+ * function. For function arguments passing we do copy the PGDs of the
+ * kernel page table into ->trampoline_pgd prior to each call.
+ *
+ * Specially for kexec boot, efi runtime maps in previous kernel should
+ * be passed in via setup_data. In that case runtime ranges will be mapped
+ * to the same virtual addresses as the first kernel.
+ */
+void __init efi_enter_virtual_mode(void)
+{
+ efi_status_t status;
+ void *new_memmap = NULL;
+ int err, count = 0;
- md->virt_addr = (u64) (unsigned long) va;
+ efi.systab = NULL;
- if (!va) {
- pr_err("ioremap of 0x%llX failed!\n",
- (unsigned long long)md->phys_addr);
- continue;
- }
+ /*
+ * We don't do virtual mode, since we don't do runtime services, on
+ * non-native EFI
+ */
+ if (!efi_is_native()) {
+ efi_unmap_memmap();
+ return;
+ }
- systab = (u64) (unsigned long) efi_phys.systab;
- if (md->phys_addr <= systab && systab < end) {
- systab += md->virt_addr - md->phys_addr;
- efi.systab = (efi_system_table_t *) (unsigned long) systab;
+ if (efi_setup) {
+ efi_map_regions_fixed();
+ } else {
+ efi_merge_regions();
+ new_memmap = efi_map_regions(&count);
+ if (!new_memmap) {
+ pr_err("Error reallocating memory, EFI runtime non-functional!\n");
+ return;
}
- new_memmap = krealloc(new_memmap,
- (count + 1) * memmap.desc_size,
- GFP_KERNEL);
- memcpy(new_memmap + (count * memmap.desc_size), md,
- memmap.desc_size);
- count++;
}
+ err = save_runtime_map();
+ if (err)
+ pr_err("Error saving runtime map, efi runtime on kexec non-functional!!\n");
+
BUG_ON(!efi.systab);
- status = phys_efi_set_virtual_address_map(
- memmap.desc_size * count,
- memmap.desc_size,
- memmap.desc_version,
- (efi_memory_desc_t *)__pa(new_memmap));
+ efi_setup_page_tables();
+ efi_sync_low_kernel_mappings();
- if (status != EFI_SUCCESS) {
- pr_alert("Unable to switch EFI into virtual mode "
- "(status=%lx)!\n", status);
- panic("EFI call to SetVirtualAddressMap() failed!");
+ if (!efi_setup) {
+ status = phys_efi_set_virtual_address_map(
+ memmap.desc_size * count,
+ memmap.desc_size,
+ memmap.desc_version,
+ (efi_memory_desc_t *)__pa(new_memmap));
+
+ if (status != EFI_SUCCESS) {
+ pr_alert("Unable to switch EFI into virtual mode (status=%lx)!\n",
+ status);
+ panic("EFI call to SetVirtualAddressMap() failed!");
+ }
}
/*
@@ -883,7 +1068,8 @@ void __init efi_enter_virtual_mode(void)
efi.query_variable_info = virt_efi_query_variable_info;
efi.update_capsule = virt_efi_update_capsule;
efi.query_capsule_caps = virt_efi_query_capsule_caps;
- if (__supported_pte_mask & _PAGE_NX)
+
+ if (efi_enabled(EFI_OLD_MEMMAP) && (__supported_pte_mask & _PAGE_NX))
runtime_code_page_mkexec();
kfree(new_memmap);
@@ -1013,3 +1199,15 @@ efi_status_t efi_query_variable_store(u32 attributes, unsigned long size)
return EFI_SUCCESS;
}
EXPORT_SYMBOL_GPL(efi_query_variable_store);
+
+static int __init parse_efi_cmdline(char *str)
+{
+ if (*str == '=')
+ str++;
+
+ if (!strncmp(str, "old_map", 7))
+ set_bit(EFI_OLD_MEMMAP, &x86_efi_facility);
+
+ return 0;
+}
+early_param("efi", parse_efi_cmdline);
diff --git a/arch/x86/platform/efi/efi_32.c b/arch/x86/platform/efi/efi_32.c
index 40e446941dd..249b183cf41 100644
--- a/arch/x86/platform/efi/efi_32.c
+++ b/arch/x86/platform/efi/efi_32.c
@@ -37,9 +37,19 @@
* claim EFI runtime service handler exclusively and to duplicate a memory in
* low memory space say 0 - 3G.
*/
-
static unsigned long efi_rt_eflags;
+void efi_sync_low_kernel_mappings(void) {}
+void efi_setup_page_tables(void) {}
+
+void __init efi_map_region(efi_memory_desc_t *md)
+{
+ old_map_region(md);
+}
+
+void __init efi_map_region_fixed(efi_memory_desc_t *md) {}
+void __init parse_efi_setup(u64 phys_addr, u32 data_len) {}
+
void efi_call_phys_prelog(void)
{
struct desc_ptr gdt_descr;
diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c
index 39a0e7f1f0a..6284f158a47 100644
--- a/arch/x86/platform/efi/efi_64.c
+++ b/arch/x86/platform/efi/efi_64.c
@@ -38,10 +38,28 @@
#include <asm/efi.h>
#include <asm/cacheflush.h>
#include <asm/fixmap.h>
+#include <asm/realmode.h>
static pgd_t *save_pgd __initdata;
static unsigned long efi_flags __initdata;
+/*
+ * We allocate runtime services regions bottom-up, starting from -4G, i.e.
+ * 0xffff_ffff_0000_0000 and limit EFI VA mapping space to 64G.
+ */
+static u64 efi_va = -4 * (1UL << 30);
+#define EFI_VA_END (-68 * (1UL << 30))
+
+/*
+ * Scratch space used for switching the pagetable in the EFI stub
+ */
+struct efi_scratch {
+ u64 r15;
+ u64 prev_cr3;
+ pgd_t *efi_pgt;
+ bool use_pgd;
+};
+
static void __init early_code_mapping_set_exec(int executable)
{
efi_memory_desc_t *md;
@@ -65,6 +83,9 @@ void __init efi_call_phys_prelog(void)
int pgd;
int n_pgds;
+ if (!efi_enabled(EFI_OLD_MEMMAP))
+ return;
+
early_code_mapping_set_exec(1);
local_irq_save(efi_flags);
@@ -86,6 +107,10 @@ void __init efi_call_phys_epilog(void)
*/
int pgd;
int n_pgds = DIV_ROUND_UP((max_pfn << PAGE_SHIFT) , PGDIR_SIZE);
+
+ if (!efi_enabled(EFI_OLD_MEMMAP))
+ return;
+
for (pgd = 0; pgd < n_pgds; pgd++)
set_pgd(pgd_offset_k(pgd * PGDIR_SIZE), save_pgd[pgd]);
kfree(save_pgd);
@@ -94,6 +119,96 @@ void __init efi_call_phys_epilog(void)
early_code_mapping_set_exec(0);
}
+/*
+ * Add low kernel mappings for passing arguments to EFI functions.
+ */
+void efi_sync_low_kernel_mappings(void)
+{
+ unsigned num_pgds;
+ pgd_t *pgd = (pgd_t *)__va(real_mode_header->trampoline_pgd);
+
+ if (efi_enabled(EFI_OLD_MEMMAP))
+ return;
+
+ num_pgds = pgd_index(MODULES_END - 1) - pgd_index(PAGE_OFFSET);
+
+ memcpy(pgd + pgd_index(PAGE_OFFSET),
+ init_mm.pgd + pgd_index(PAGE_OFFSET),
+ sizeof(pgd_t) * num_pgds);
+}
+
+void efi_setup_page_tables(void)
+{
+ efi_scratch.efi_pgt = (pgd_t *)(unsigned long)real_mode_header->trampoline_pgd;
+
+ if (!efi_enabled(EFI_OLD_MEMMAP))
+ efi_scratch.use_pgd = true;
+}
+
+static void __init __map_region(efi_memory_desc_t *md, u64 va)
+{
+ pgd_t *pgd = (pgd_t *)__va(real_mode_header->trampoline_pgd);
+ unsigned long pf = 0;
+
+ if (!(md->attribute & EFI_MEMORY_WB))
+ pf |= _PAGE_PCD;
+
+ if (kernel_map_pages_in_pgd(pgd, md->phys_addr, va, md->num_pages, pf))
+ pr_warn("Error mapping PA 0x%llx -> VA 0x%llx!\n",
+ md->phys_addr, va);
+}
+
+void __init efi_map_region(efi_memory_desc_t *md)
+{
+ unsigned long size = md->num_pages << PAGE_SHIFT;
+ u64 pa = md->phys_addr;
+
+ if (efi_enabled(EFI_OLD_MEMMAP))
+ return old_map_region(md);
+
+ /*
+ * Make sure the 1:1 mappings are present as a catch-all for b0rked
+ * firmware which doesn't update all internal pointers after switching
+ * to virtual mode and would otherwise crap on us.
+ */
+ __map_region(md, md->phys_addr);
+
+ efi_va -= size;
+
+ /* Is PA 2M-aligned? */
+ if (!(pa & (PMD_SIZE - 1))) {
+ efi_va &= PMD_MASK;
+ } else {
+ u64 pa_offset = pa & (PMD_SIZE - 1);
+ u64 prev_va = efi_va;
+
+ /* get us the same offset within this 2M page */
+ efi_va = (efi_va & PMD_MASK) + pa_offset;
+
+ if (efi_va > prev_va)
+ efi_va -= PMD_SIZE;
+ }
+
+ if (efi_va < EFI_VA_END) {
+ pr_warn(FW_WARN "VA address range overflow!\n");
+ return;
+ }
+
+ /* Do the VA map */
+ __map_region(md, efi_va);
+ md->virt_addr = efi_va;
+}
+
+/*
+ * kexec kernel will use efi_map_region_fixed to map efi runtime memory ranges.
+ * md->virt_addr is the original virtual address which had been mapped in kexec
+ * 1st kernel.
+ */
+void __init efi_map_region_fixed(efi_memory_desc_t *md)
+{
+ __map_region(md, md->virt_addr);
+}
+
void __iomem *__init efi_ioremap(unsigned long phys_addr, unsigned long size,
u32 type, u64 attribute)
{
@@ -113,3 +228,8 @@ void __iomem *__init efi_ioremap(unsigned long phys_addr, unsigned long size,
return (void __iomem *)__va(phys_addr);
}
+
+void __init parse_efi_setup(u64 phys_addr, u32 data_len)
+{
+ efi_setup = phys_addr + sizeof(struct setup_data);
+}
diff --git a/arch/x86/platform/efi/efi_stub_64.S b/arch/x86/platform/efi/efi_stub_64.S
index 4c07ccab814..88073b14029 100644
--- a/arch/x86/platform/efi/efi_stub_64.S
+++ b/arch/x86/platform/efi/efi_stub_64.S
@@ -34,10 +34,47 @@
mov %rsi, %cr0; \
mov (%rsp), %rsp
+ /* stolen from gcc */
+ .macro FLUSH_TLB_ALL
+ movq %r15, efi_scratch(%rip)
+ movq %r14, efi_scratch+8(%rip)
+ movq %cr4, %r15
+ movq %r15, %r14
+ andb $0x7f, %r14b
+ movq %r14, %cr4
+ movq %r15, %cr4
+ movq efi_scratch+8(%rip), %r14
+ movq efi_scratch(%rip), %r15
+ .endm
+
+ .macro SWITCH_PGT
+ cmpb $0, efi_scratch+24(%rip)
+ je 1f
+ movq %r15, efi_scratch(%rip) # r15
+ # save previous CR3
+ movq %cr3, %r15
+ movq %r15, efi_scratch+8(%rip) # prev_cr3
+ movq efi_scratch+16(%rip), %r15 # EFI pgt
+ movq %r15, %cr3
+ 1:
+ .endm
+
+ .macro RESTORE_PGT
+ cmpb $0, efi_scratch+24(%rip)
+ je 2f
+ movq efi_scratch+8(%rip), %r15
+ movq %r15, %cr3
+ movq efi_scratch(%rip), %r15
+ FLUSH_TLB_ALL
+ 2:
+ .endm
+
ENTRY(efi_call0)
SAVE_XMM
subq $32, %rsp
+ SWITCH_PGT
call *%rdi
+ RESTORE_PGT
addq $32, %rsp
RESTORE_XMM
ret
@@ -47,7 +84,9 @@ ENTRY(efi_call1)
SAVE_XMM
subq $32, %rsp
mov %rsi, %rcx
+ SWITCH_PGT
call *%rdi
+ RESTORE_PGT
addq $32, %rsp
RESTORE_XMM
ret
@@ -57,7 +96,9 @@ ENTRY(efi_call2)
SAVE_XMM
subq $32, %rsp
mov %rsi, %rcx
+ SWITCH_PGT
call *%rdi
+ RESTORE_PGT
addq $32, %rsp
RESTORE_XMM
ret
@@ -68,7 +109,9 @@ ENTRY(efi_call3)
subq $32, %rsp
mov %rcx, %r8
mov %rsi, %rcx
+ SWITCH_PGT
call *%rdi
+ RESTORE_PGT
addq $32, %rsp
RESTORE_XMM
ret
@@ -80,7 +123,9 @@ ENTRY(efi_call4)
mov %r8, %r9
mov %rcx, %r8
mov %rsi, %rcx
+ SWITCH_PGT
call *%rdi
+ RESTORE_PGT
addq $32, %rsp
RESTORE_XMM
ret
@@ -93,7 +138,9 @@ ENTRY(efi_call5)
mov %r8, %r9
mov %rcx, %r8
mov %rsi, %rcx
+ SWITCH_PGT
call *%rdi
+ RESTORE_PGT
addq $48, %rsp
RESTORE_XMM
ret
@@ -109,8 +156,15 @@ ENTRY(efi_call6)
mov %r8, %r9
mov %rcx, %r8
mov %rsi, %rcx
+ SWITCH_PGT
call *%rdi
+ RESTORE_PGT
addq $48, %rsp
RESTORE_XMM
ret
ENDPROC(efi_call6)
+
+ .data
+ENTRY(efi_scratch)
+ .fill 3,8,0
+ .byte 0
diff --git a/arch/x86/platform/intel-mid/Makefile b/arch/x86/platform/intel-mid/Makefile
index 01cc29ea5ff..0a8ee703b9f 100644
--- a/arch/x86/platform/intel-mid/Makefile
+++ b/arch/x86/platform/intel-mid/Makefile
@@ -1,6 +1,6 @@
-obj-$(CONFIG_X86_INTEL_MID) += intel-mid.o
-obj-$(CONFIG_X86_INTEL_MID) += intel_mid_vrtc.o
+obj-$(CONFIG_X86_INTEL_MID) += intel-mid.o intel_mid_vrtc.o mfld.o mrfl.o
obj-$(CONFIG_EARLY_PRINTK_INTEL_MID) += early_printk_intel_mid.o
+
# SFI specific code
ifdef CONFIG_X86_INTEL_MID
obj-$(CONFIG_SFI) += sfi.o device_libs/
diff --git a/arch/x86/platform/intel-mid/device_libs/platform_emc1403.c b/arch/x86/platform/intel-mid/device_libs/platform_emc1403.c
index 0d942c1d26d..69a783689d2 100644
--- a/arch/x86/platform/intel-mid/device_libs/platform_emc1403.c
+++ b/arch/x86/platform/intel-mid/device_libs/platform_emc1403.c
@@ -22,7 +22,9 @@ static void __init *emc1403_platform_data(void *info)
int intr = get_gpio_by_name("thermal_int");
int intr2nd = get_gpio_by_name("thermal_alert");
- if (intr == -1 || intr2nd == -1)
+ if (intr < 0)
+ return NULL;
+ if (intr2nd < 0)
return NULL;
i2c_info->irq = intr + INTEL_MID_IRQ_OFFSET;
diff --git a/arch/x86/platform/intel-mid/device_libs/platform_gpio_keys.c b/arch/x86/platform/intel-mid/device_libs/platform_gpio_keys.c
index a013a4834bb..dccae6b0413 100644
--- a/arch/x86/platform/intel-mid/device_libs/platform_gpio_keys.c
+++ b/arch/x86/platform/intel-mid/device_libs/platform_gpio_keys.c
@@ -66,7 +66,7 @@ static int __init pb_keys_init(void)
gb[i].gpio = get_gpio_by_name(gb[i].desc);
pr_debug("info[%2d]: name = %s, gpio = %d\n", i, gb[i].desc,
gb[i].gpio);
- if (gb[i].gpio == -1)
+ if (gb[i].gpio < 0)
continue;
if (i != good)
diff --git a/arch/x86/platform/intel-mid/device_libs/platform_lis331.c b/arch/x86/platform/intel-mid/device_libs/platform_lis331.c
index 15278c11f71..54226de7541 100644
--- a/arch/x86/platform/intel-mid/device_libs/platform_lis331.c
+++ b/arch/x86/platform/intel-mid/device_libs/platform_lis331.c
@@ -21,7 +21,9 @@ static void __init *lis331dl_platform_data(void *info)
int intr = get_gpio_by_name("accel_int");
int intr2nd = get_gpio_by_name("accel_2");
- if (intr == -1 || intr2nd == -1)
+ if (intr < 0)
+ return NULL;
+ if (intr2nd < 0)
return NULL;
i2c_info->irq = intr + INTEL_MID_IRQ_OFFSET;
diff --git a/arch/x86/platform/intel-mid/device_libs/platform_max7315.c b/arch/x86/platform/intel-mid/device_libs/platform_max7315.c
index 94ade10024a..2c8acbc1e9a 100644
--- a/arch/x86/platform/intel-mid/device_libs/platform_max7315.c
+++ b/arch/x86/platform/intel-mid/device_libs/platform_max7315.c
@@ -48,7 +48,7 @@ static void __init *max7315_platform_data(void *info)
gpio_base = get_gpio_by_name(base_pin_name);
intr = get_gpio_by_name(intr_pin_name);
- if (gpio_base == -1)
+ if (gpio_base < 0)
return NULL;
max7315->gpio_base = gpio_base;
if (intr != -1) {
diff --git a/arch/x86/platform/intel-mid/device_libs/platform_mpu3050.c b/arch/x86/platform/intel-mid/device_libs/platform_mpu3050.c
index dd28d63c84f..cfe9a47a1e8 100644
--- a/arch/x86/platform/intel-mid/device_libs/platform_mpu3050.c
+++ b/arch/x86/platform/intel-mid/device_libs/platform_mpu3050.c
@@ -19,7 +19,7 @@ static void *mpu3050_platform_data(void *info)
struct i2c_board_info *i2c_info = info;
int intr = get_gpio_by_name("mpu3050_int");
- if (intr == -1)
+ if (intr < 0)
return NULL;
i2c_info->irq = intr + INTEL_MID_IRQ_OFFSET;
diff --git a/arch/x86/platform/intel-mid/device_libs/platform_pmic_gpio.c b/arch/x86/platform/intel-mid/device_libs/platform_pmic_gpio.c
index d87182a0926..65c2a9a19db 100644
--- a/arch/x86/platform/intel-mid/device_libs/platform_pmic_gpio.c
+++ b/arch/x86/platform/intel-mid/device_libs/platform_pmic_gpio.c
@@ -26,7 +26,7 @@ static void __init *pmic_gpio_platform_data(void *info)
static struct intel_pmic_gpio_platform_data pmic_gpio_pdata;
int gpio_base = get_gpio_by_name("pmic_gpio_base");
- if (gpio_base == -1)
+ if (gpio_base < 0)
gpio_base = 64;
pmic_gpio_pdata.gpio_base = gpio_base;
pmic_gpio_pdata.irq_base = gpio_base + INTEL_MID_IRQ_OFFSET;
diff --git a/arch/x86/platform/intel-mid/device_libs/platform_tca6416.c b/arch/x86/platform/intel-mid/device_libs/platform_tca6416.c
index 22881c9a673..33be0b3be6e 100644
--- a/arch/x86/platform/intel-mid/device_libs/platform_tca6416.c
+++ b/arch/x86/platform/intel-mid/device_libs/platform_tca6416.c
@@ -34,10 +34,10 @@ static void *tca6416_platform_data(void *info)
gpio_base = get_gpio_by_name(base_pin_name);
intr = get_gpio_by_name(intr_pin_name);
- if (gpio_base == -1)
+ if (gpio_base < 0)
return NULL;
tca6416.gpio_base = gpio_base;
- if (intr != -1) {
+ if (intr >= 0) {
i2c_info->irq = intr + INTEL_MID_IRQ_OFFSET;
tca6416.irq_base = gpio_base + INTEL_MID_IRQ_OFFSET;
} else {
diff --git a/arch/x86/platform/intel-mid/early_printk_intel_mid.c b/arch/x86/platform/intel-mid/early_printk_intel_mid.c
index 4f702f554f6..e0bd082a80e 100644
--- a/arch/x86/platform/intel-mid/early_printk_intel_mid.c
+++ b/arch/x86/platform/intel-mid/early_printk_intel_mid.c
@@ -22,7 +22,6 @@
#include <linux/console.h>
#include <linux/kernel.h>
#include <linux/delay.h>
-#include <linux/init.h>
#include <linux/io.h>
#include <asm/fixmap.h>
diff --git a/arch/x86/platform/intel-mid/intel-mid.c b/arch/x86/platform/intel-mid/intel-mid.c
index f90e290f689..1bbedc4b0f8 100644
--- a/arch/x86/platform/intel-mid/intel-mid.c
+++ b/arch/x86/platform/intel-mid/intel-mid.c
@@ -35,6 +35,8 @@
#include <asm/apb_timer.h>
#include <asm/reboot.h>
+#include "intel_mid_weak_decls.h"
+
/*
* the clockevent devices on Moorestown/Medfield can be APBT or LAPIC clock,
* cmdline option x86_intel_mid_timer can be used to override the configuration
@@ -58,12 +60,16 @@
enum intel_mid_timer_options intel_mid_timer_options;
+/* intel_mid_ops to store sub arch ops */
+struct intel_mid_ops *intel_mid_ops;
+/* getter function for sub arch ops*/
+static void *(*get_intel_mid_ops[])(void) = INTEL_MID_OPS_INIT;
enum intel_mid_cpu_type __intel_mid_cpu_chip;
EXPORT_SYMBOL_GPL(__intel_mid_cpu_chip);
static void intel_mid_power_off(void)
{
-}
+};
static void intel_mid_reboot(void)
{
@@ -72,32 +78,6 @@ static void intel_mid_reboot(void)
static unsigned long __init intel_mid_calibrate_tsc(void)
{
- unsigned long fast_calibrate;
- u32 lo, hi, ratio, fsb;
-
- rdmsr(MSR_IA32_PERF_STATUS, lo, hi);
- pr_debug("IA32 perf status is 0x%x, 0x%0x\n", lo, hi);
- ratio = (hi >> 8) & 0x1f;
- pr_debug("ratio is %d\n", ratio);
- if (!ratio) {
- pr_err("read a zero ratio, should be incorrect!\n");
- pr_err("force tsc ratio to 16 ...\n");
- ratio = 16;
- }
- rdmsr(MSR_FSB_FREQ, lo, hi);
- if ((lo & 0x7) == 0x7)
- fsb = PENWELL_FSB_FREQ_83SKU;
- else
- fsb = PENWELL_FSB_FREQ_100SKU;
- fast_calibrate = ratio * fsb;
- pr_debug("read penwell tsc %lu khz\n", fast_calibrate);
- lapic_timer_frequency = fsb * 1000 / HZ;
- /* mark tsc clocksource as reliable */
- set_cpu_cap(&boot_cpu_data, X86_FEATURE_TSC_RELIABLE);
-
- if (fast_calibrate)
- return fast_calibrate;
-
return 0;
}
@@ -125,13 +105,37 @@ static void __init intel_mid_time_init(void)
static void intel_mid_arch_setup(void)
{
- if (boot_cpu_data.x86 == 6 && boot_cpu_data.x86_model == 0x27)
- __intel_mid_cpu_chip = INTEL_MID_CPU_CHIP_PENWELL;
- else {
+ if (boot_cpu_data.x86 != 6) {
pr_err("Unknown Intel MID CPU (%d:%d), default to Penwell\n",
boot_cpu_data.x86, boot_cpu_data.x86_model);
__intel_mid_cpu_chip = INTEL_MID_CPU_CHIP_PENWELL;
+ goto out;
}
+
+ switch (boot_cpu_data.x86_model) {
+ case 0x35:
+ __intel_mid_cpu_chip = INTEL_MID_CPU_CHIP_CLOVERVIEW;
+ break;
+ case 0x3C:
+ case 0x4A:
+ __intel_mid_cpu_chip = INTEL_MID_CPU_CHIP_TANGIER;
+ break;
+ case 0x27:
+ default:
+ __intel_mid_cpu_chip = INTEL_MID_CPU_CHIP_PENWELL;
+ break;
+ }
+
+ if (__intel_mid_cpu_chip < MAX_CPU_OPS(get_intel_mid_ops))
+ intel_mid_ops = get_intel_mid_ops[__intel_mid_cpu_chip]();
+ else {
+ intel_mid_ops = get_intel_mid_ops[INTEL_MID_CPU_CHIP_PENWELL]();
+ pr_info("ARCH: Uknown SoC, assuming PENWELL!\n");
+ }
+
+out:
+ if (intel_mid_ops->arch_setup)
+ intel_mid_ops->arch_setup();
}
/* MID systems don't have i8042 controller */
diff --git a/arch/x86/platform/intel-mid/intel_mid_weak_decls.h b/arch/x86/platform/intel-mid/intel_mid_weak_decls.h
new file mode 100644
index 00000000000..a537ffc1629
--- /dev/null
+++ b/arch/x86/platform/intel-mid/intel_mid_weak_decls.h
@@ -0,0 +1,19 @@
+/*
+ * intel_mid_weak_decls.h: Weak declarations of intel-mid.c
+ *
+ * (C) Copyright 2013 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; version 2
+ * of the License.
+ */
+
+
+/* __attribute__((weak)) makes these declarations overridable */
+/* For every CPU addition a new get_<cpuname>_ops interface needs
+ * to be added.
+ */
+extern void * __cpuinit get_penwell_ops(void) __attribute__((weak));
+extern void * __cpuinit get_cloverview_ops(void) __attribute__((weak));
+extern void * __init get_tangier_ops(void) __attribute__((weak));
diff --git a/arch/x86/platform/intel-mid/mfld.c b/arch/x86/platform/intel-mid/mfld.c
new file mode 100644
index 00000000000..4f7884eebc1
--- /dev/null
+++ b/arch/x86/platform/intel-mid/mfld.c
@@ -0,0 +1,75 @@
+/*
+ * mfld.c: Intel Medfield platform setup code
+ *
+ * (C) Copyright 2013 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; version 2
+ * of the License.
+ */
+
+#include <linux/init.h>
+
+#include <asm/apic.h>
+#include <asm/intel-mid.h>
+#include <asm/intel_mid_vrtc.h>
+
+#include "intel_mid_weak_decls.h"
+
+static void penwell_arch_setup(void);
+/* penwell arch ops */
+static struct intel_mid_ops penwell_ops = {
+ .arch_setup = penwell_arch_setup,
+};
+
+static void mfld_power_off(void)
+{
+}
+
+static unsigned long __init mfld_calibrate_tsc(void)
+{
+ unsigned long fast_calibrate;
+ u32 lo, hi, ratio, fsb;
+
+ rdmsr(MSR_IA32_PERF_STATUS, lo, hi);
+ pr_debug("IA32 perf status is 0x%x, 0x%0x\n", lo, hi);
+ ratio = (hi >> 8) & 0x1f;
+ pr_debug("ratio is %d\n", ratio);
+ if (!ratio) {
+ pr_err("read a zero ratio, should be incorrect!\n");
+ pr_err("force tsc ratio to 16 ...\n");
+ ratio = 16;
+ }
+ rdmsr(MSR_FSB_FREQ, lo, hi);
+ if ((lo & 0x7) == 0x7)
+ fsb = FSB_FREQ_83SKU;
+ else
+ fsb = FSB_FREQ_100SKU;
+ fast_calibrate = ratio * fsb;
+ pr_debug("read penwell tsc %lu khz\n", fast_calibrate);
+ lapic_timer_frequency = fsb * 1000 / HZ;
+ /* mark tsc clocksource as reliable */
+ set_cpu_cap(&boot_cpu_data, X86_FEATURE_TSC_RELIABLE);
+
+ if (fast_calibrate)
+ return fast_calibrate;
+
+ return 0;
+}
+
+static void __init penwell_arch_setup()
+{
+ x86_platform.calibrate_tsc = mfld_calibrate_tsc;
+ pm_power_off = mfld_power_off;
+}
+
+void * __cpuinit get_penwell_ops()
+{
+ return &penwell_ops;
+}
+
+void * __cpuinit get_cloverview_ops()
+{
+ return &penwell_ops;
+}
diff --git a/arch/x86/platform/intel-mid/mrfl.c b/arch/x86/platform/intel-mid/mrfl.c
new file mode 100644
index 00000000000..09d10159e7b
--- /dev/null
+++ b/arch/x86/platform/intel-mid/mrfl.c
@@ -0,0 +1,103 @@
+/*
+ * mrfl.c: Intel Merrifield platform specific setup code
+ *
+ * (C) Copyright 2013 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; version 2
+ * of the License.
+ */
+
+#include <linux/init.h>
+
+#include <asm/apic.h>
+#include <asm/intel-mid.h>
+
+#include "intel_mid_weak_decls.h"
+
+static unsigned long __init tangier_calibrate_tsc(void)
+{
+ unsigned long fast_calibrate;
+ u32 lo, hi, ratio, fsb, bus_freq;
+
+ /* *********************** */
+ /* Compute TSC:Ratio * FSB */
+ /* *********************** */
+
+ /* Compute Ratio */
+ rdmsr(MSR_PLATFORM_INFO, lo, hi);
+ pr_debug("IA32 PLATFORM_INFO is 0x%x : %x\n", hi, lo);
+
+ ratio = (lo >> 8) & 0xFF;
+ pr_debug("ratio is %d\n", ratio);
+ if (!ratio) {
+ pr_err("Read a zero ratio, force tsc ratio to 4 ...\n");
+ ratio = 4;
+ }
+
+ /* Compute FSB */
+ rdmsr(MSR_FSB_FREQ, lo, hi);
+ pr_debug("Actual FSB frequency detected by SOC 0x%x : %x\n",
+ hi, lo);
+
+ bus_freq = lo & 0x7;
+ pr_debug("bus_freq = 0x%x\n", bus_freq);
+
+ if (bus_freq == 0)
+ fsb = FSB_FREQ_100SKU;
+ else if (bus_freq == 1)
+ fsb = FSB_FREQ_100SKU;
+ else if (bus_freq == 2)
+ fsb = FSB_FREQ_133SKU;
+ else if (bus_freq == 3)
+ fsb = FSB_FREQ_167SKU;
+ else if (bus_freq == 4)
+ fsb = FSB_FREQ_83SKU;
+ else if (bus_freq == 5)
+ fsb = FSB_FREQ_400SKU;
+ else if (bus_freq == 6)
+ fsb = FSB_FREQ_267SKU;
+ else if (bus_freq == 7)
+ fsb = FSB_FREQ_333SKU;
+ else {
+ BUG();
+ pr_err("Invalid bus_freq! Setting to minimal value!\n");
+ fsb = FSB_FREQ_100SKU;
+ }
+
+ /* TSC = FSB Freq * Resolved HFM Ratio */
+ fast_calibrate = ratio * fsb;
+ pr_debug("calculate tangier tsc %lu KHz\n", fast_calibrate);
+
+ /* ************************************ */
+ /* Calculate Local APIC Timer Frequency */
+ /* ************************************ */
+ lapic_timer_frequency = (fsb * 1000) / HZ;
+
+ pr_debug("Setting lapic_timer_frequency = %d\n",
+ lapic_timer_frequency);
+
+ /* mark tsc clocksource as reliable */
+ set_cpu_cap(&boot_cpu_data, X86_FEATURE_TSC_RELIABLE);
+
+ if (fast_calibrate)
+ return fast_calibrate;
+
+ return 0;
+}
+
+static void __init tangier_arch_setup(void)
+{
+ x86_platform.calibrate_tsc = tangier_calibrate_tsc;
+}
+
+/* tangier arch ops */
+static struct intel_mid_ops tangier_ops = {
+ .arch_setup = tangier_arch_setup,
+};
+
+void * __cpuinit get_tangier_ops()
+{
+ return &tangier_ops;
+}
diff --git a/arch/x86/platform/intel-mid/sfi.c b/arch/x86/platform/intel-mid/sfi.c
index c84c1ca396b..994c40bd7cb 100644
--- a/arch/x86/platform/intel-mid/sfi.c
+++ b/arch/x86/platform/intel-mid/sfi.c
@@ -224,7 +224,7 @@ int get_gpio_by_name(const char *name)
if (!strncmp(name, pentry->pin_name, SFI_NAME_LEN))
return pentry->pin_no;
}
- return -1;
+ return -EINVAL;
}
void __init intel_scu_device_register(struct platform_device *pdev)
@@ -250,7 +250,7 @@ static void __init intel_scu_spi_device_register(struct spi_board_info *sdev)
sdev->modalias);
return;
}
- memcpy(new_dev, sdev, sizeof(*sdev));
+ *new_dev = *sdev;
spi_devs[spi_next_dev++] = new_dev;
}
@@ -271,7 +271,7 @@ static void __init intel_scu_i2c_device_register(int bus,
idev->type);
return;
}
- memcpy(new_dev, idev, sizeof(*idev));
+ *new_dev = *idev;
i2c_bus[i2c_next_dev] = bus;
i2c_devs[i2c_next_dev++] = new_dev;
@@ -337,6 +337,8 @@ static void __init sfi_handle_ipc_dev(struct sfi_device_table_entry *pentry,
pr_debug("IPC bus, name = %16.16s, irq = 0x%2x\n",
pentry->name, pentry->irq);
pdata = intel_mid_sfi_get_pdata(dev, pentry);
+ if (IS_ERR(pdata))
+ return;
pdev = platform_device_alloc(pentry->name, 0);
if (pdev == NULL) {
@@ -370,6 +372,8 @@ static void __init sfi_handle_spi_dev(struct sfi_device_table_entry *pentry,
spi_info.chip_select);
pdata = intel_mid_sfi_get_pdata(dev, &spi_info);
+ if (IS_ERR(pdata))
+ return;
spi_info.platform_data = pdata;
if (dev->delay)
@@ -395,6 +399,8 @@ static void __init sfi_handle_i2c_dev(struct sfi_device_table_entry *pentry,
i2c_info.addr);
pdata = intel_mid_sfi_get_pdata(dev, &i2c_info);
i2c_info.platform_data = pdata;
+ if (IS_ERR(pdata))
+ return;
if (dev->delay)
intel_scu_i2c_device_register(pentry->host_num, &i2c_info);
@@ -443,13 +449,35 @@ static int __init sfi_parse_devs(struct sfi_table_header *table)
* so we have to enable them one by one here
*/
ioapic = mp_find_ioapic(irq);
- irq_attr.ioapic = ioapic;
- irq_attr.ioapic_pin = irq;
- irq_attr.trigger = 1;
- irq_attr.polarity = 1;
- io_apic_set_pci_routing(NULL, irq, &irq_attr);
- } else
+ if (ioapic >= 0) {
+ irq_attr.ioapic = ioapic;
+ irq_attr.ioapic_pin = irq;
+ irq_attr.trigger = 1;
+ if (intel_mid_identify_cpu() ==
+ INTEL_MID_CPU_CHIP_TANGIER) {
+ if (!strncmp(pentry->name,
+ "r69001-ts-i2c", 13))
+ /* active low */
+ irq_attr.polarity = 1;
+ else if (!strncmp(pentry->name,
+ "synaptics_3202", 14))
+ /* active low */
+ irq_attr.polarity = 1;
+ else if (irq == 41)
+ /* fast_int_1 */
+ irq_attr.polarity = 1;
+ else
+ /* active high */
+ irq_attr.polarity = 0;
+ } else {
+ /* PNW and CLV go with active low */
+ irq_attr.polarity = 1;
+ }
+ io_apic_set_pci_routing(NULL, irq, &irq_attr);
+ }
+ } else {
irq = 0; /* No irq */
+ }
dev = get_device_id(pentry->type, pentry->name);
diff --git a/arch/x86/platform/iris/iris.c b/arch/x86/platform/iris/iris.c
index e6cb80f620a..4d171e8640e 100644
--- a/arch/x86/platform/iris/iris.c
+++ b/arch/x86/platform/iris/iris.c
@@ -27,7 +27,6 @@
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/delay.h>
-#include <linux/init.h>
#include <linux/pm.h>
#include <asm/io.h>
diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c
index 0f92173a12b..dfe605ac1bc 100644
--- a/arch/x86/platform/uv/tlb_uv.c
+++ b/arch/x86/platform/uv/tlb_uv.c
@@ -433,15 +433,49 @@ static void reset_with_ipi(struct pnmask *distribution, struct bau_control *bcp)
return;
}
-static inline unsigned long cycles_2_us(unsigned long long cyc)
+/*
+ * Not to be confused with cycles_2_ns() from tsc.c; this gives a relative
+ * number, not an absolute. It converts a duration in cycles to a duration in
+ * ns.
+ */
+static inline unsigned long long cycles_2_ns(unsigned long long cyc)
{
+ struct cyc2ns_data *data = cyc2ns_read_begin();
unsigned long long ns;
- unsigned long us;
- int cpu = smp_processor_id();
- ns = (cyc * per_cpu(cyc2ns, cpu)) >> CYC2NS_SCALE_FACTOR;
- us = ns / 1000;
- return us;
+ ns = mul_u64_u32_shr(cyc, data->cyc2ns_mul, data->cyc2ns_shift);
+
+ cyc2ns_read_end(data);
+ return ns;
+}
+
+/*
+ * The reverse of the above; converts a duration in ns to a duration in cycles.
+ */
+static inline unsigned long long ns_2_cycles(unsigned long long ns)
+{
+ struct cyc2ns_data *data = cyc2ns_read_begin();
+ unsigned long long cyc;
+
+ cyc = (ns << data->cyc2ns_shift) / data->cyc2ns_mul;
+
+ cyc2ns_read_end(data);
+ return cyc;
+}
+
+static inline unsigned long cycles_2_us(unsigned long long cyc)
+{
+ return cycles_2_ns(cyc) / NSEC_PER_USEC;
+}
+
+static inline cycles_t sec_2_cycles(unsigned long sec)
+{
+ return ns_2_cycles(sec * NSEC_PER_SEC);
+}
+
+static inline unsigned long long usec_2_cycles(unsigned long usec)
+{
+ return ns_2_cycles(usec * NSEC_PER_USEC);
}
/*
@@ -668,16 +702,6 @@ static int wait_completion(struct bau_desc *bau_desc,
bcp, try);
}
-static inline cycles_t sec_2_cycles(unsigned long sec)
-{
- unsigned long ns;
- cycles_t cyc;
-
- ns = sec * 1000000000;
- cyc = (ns << CYC2NS_SCALE_FACTOR)/(per_cpu(cyc2ns, smp_processor_id()));
- return cyc;
-}
-
/*
* Our retries are blocked by all destination sw ack resources being
* in use, and a timeout is pending. In that case hardware immediately
@@ -1070,12 +1094,13 @@ const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask,
unsigned long status;
bcp = &per_cpu(bau_control, cpu);
- stat = bcp->statp;
- stat->s_enters++;
if (bcp->nobau)
return cpumask;
+ stat = bcp->statp;
+ stat->s_enters++;
+
if (bcp->busy) {
descriptor_status =
read_lmmr(UVH_LB_BAU_SB_ACTIVATION_STATUS_0);
@@ -1326,16 +1351,6 @@ static void ptc_seq_stop(struct seq_file *file, void *data)
{
}
-static inline unsigned long long usec_2_cycles(unsigned long microsec)
-{
- unsigned long ns;
- unsigned long long cyc;
-
- ns = microsec * 1000;
- cyc = (ns << CYC2NS_SCALE_FACTOR)/(per_cpu(cyc2ns, smp_processor_id()));
- return cyc;
-}
-
/*
* Display the statistics thru /proc/sgi_uv/ptc_statistics
* 'data' points to the cpu number
diff --git a/arch/x86/realmode/init.c b/arch/x86/realmode/init.c
index a44f457e70a..bad628a620c 100644
--- a/arch/x86/realmode/init.c
+++ b/arch/x86/realmode/init.c
@@ -29,12 +29,10 @@ void __init reserve_real_mode(void)
void __init setup_real_mode(void)
{
u16 real_mode_seg;
- u32 *rel;
+ const u32 *rel;
u32 count;
- u32 *ptr;
- u16 *seg;
- int i;
unsigned char *base;
+ unsigned long phys_base;
struct trampoline_header *trampoline_header;
size_t size = PAGE_ALIGN(real_mode_blob_end - real_mode_blob);
#ifdef CONFIG_X86_64
@@ -46,23 +44,23 @@ void __init setup_real_mode(void)
memcpy(base, real_mode_blob, size);
- real_mode_seg = __pa(base) >> 4;
+ phys_base = __pa(base);
+ real_mode_seg = phys_base >> 4;
+
rel = (u32 *) real_mode_relocs;
/* 16-bit segment relocations. */
- count = rel[0];
- rel = &rel[1];
- for (i = 0; i < count; i++) {
- seg = (u16 *) (base + rel[i]);
+ count = *rel++;
+ while (count--) {
+ u16 *seg = (u16 *) (base + *rel++);
*seg = real_mode_seg;
}
/* 32-bit linear relocations. */
- count = rel[i];
- rel = &rel[i + 1];
- for (i = 0; i < count; i++) {
- ptr = (u32 *) (base + rel[i]);
- *ptr += __pa(base);
+ count = *rel++;
+ while (count--) {
+ u32 *ptr = (u32 *) (base + *rel++);
+ *ptr += phys_base;
}
/* Must be perfomed *after* relocation. */
diff --git a/arch/x86/realmode/rm/Makefile b/arch/x86/realmode/rm/Makefile
index 88692871823..9cac82588cb 100644
--- a/arch/x86/realmode/rm/Makefile
+++ b/arch/x86/realmode/rm/Makefile
@@ -73,9 +73,10 @@ KBUILD_CFLAGS := $(LINUXINCLUDE) -m32 -g -Os -D_SETUP -D__KERNEL__ -D_WAKEUP \
-march=i386 -mregparm=3 \
-include $(srctree)/$(src)/../../boot/code16gcc.h \
-fno-strict-aliasing -fomit-frame-pointer -fno-pic \
+ -mno-mmx -mno-sse \
$(call cc-option, -ffreestanding) \
$(call cc-option, -fno-toplevel-reorder,\
- $(call cc-option, -fno-unit-at-a-time)) \
+ $(call cc-option, -fno-unit-at-a-time)) \
$(call cc-option, -fno-stack-protector) \
$(call cc-option, -mpreferred-stack-boundary=2)
KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
diff --git a/arch/x86/realmode/rm/reboot.S b/arch/x86/realmode/rm/reboot.S
index f932ea61d1c..d66c607bdc5 100644
--- a/arch/x86/realmode/rm/reboot.S
+++ b/arch/x86/realmode/rm/reboot.S
@@ -1,5 +1,4 @@
#include <linux/linkage.h>
-#include <linux/init.h>
#include <asm/segment.h>
#include <asm/page_types.h>
#include <asm/processor-flags.h>
diff --git a/arch/x86/realmode/rm/trampoline_32.S b/arch/x86/realmode/rm/trampoline_32.S
index c1b2791183e..48ddd76bc4c 100644
--- a/arch/x86/realmode/rm/trampoline_32.S
+++ b/arch/x86/realmode/rm/trampoline_32.S
@@ -20,7 +20,6 @@
*/
#include <linux/linkage.h>
-#include <linux/init.h>
#include <asm/segment.h>
#include <asm/page_types.h>
#include "realmode.h"
diff --git a/arch/x86/realmode/rm/trampoline_64.S b/arch/x86/realmode/rm/trampoline_64.S
index bb360dc39d2..dac7b20d2f9 100644
--- a/arch/x86/realmode/rm/trampoline_64.S
+++ b/arch/x86/realmode/rm/trampoline_64.S
@@ -25,7 +25,6 @@
*/
#include <linux/linkage.h>
-#include <linux/init.h>
#include <asm/pgtable_types.h>
#include <asm/page_types.h>
#include <asm/msr.h>
diff --git a/arch/x86/syscalls/syscall_32.tbl b/arch/x86/syscalls/syscall_32.tbl
index aabfb8380a1..96bc506ac6d 100644
--- a/arch/x86/syscalls/syscall_32.tbl
+++ b/arch/x86/syscalls/syscall_32.tbl
@@ -357,3 +357,5 @@
348 i386 process_vm_writev sys_process_vm_writev compat_sys_process_vm_writev
349 i386 kcmp sys_kcmp
350 i386 finit_module sys_finit_module
+351 i386 sched_setattr sys_sched_setattr
+352 i386 sched_getattr sys_sched_getattr
diff --git a/arch/x86/syscalls/syscall_64.tbl b/arch/x86/syscalls/syscall_64.tbl
index 38ae65dfd14..a12bddc7cce 100644
--- a/arch/x86/syscalls/syscall_64.tbl
+++ b/arch/x86/syscalls/syscall_64.tbl
@@ -320,6 +320,8 @@
311 64 process_vm_writev sys_process_vm_writev
312 common kcmp sys_kcmp
313 common finit_module sys_finit_module
+314 common sched_setattr sys_sched_setattr
+315 common sched_getattr sys_sched_getattr
#
# x32-specific system call numbers start at 512 to avoid cache impact
diff --git a/arch/x86/tools/relocs.c b/arch/x86/tools/relocs.c
index f7bab68a4b8..11f9285a2ff 100644
--- a/arch/x86/tools/relocs.c
+++ b/arch/x86/tools/relocs.c
@@ -722,15 +722,25 @@ static void percpu_init(void)
/*
* Check to see if a symbol lies in the .data..percpu section.
- * For some as yet not understood reason the "__init_begin"
- * symbol which immediately preceeds the .data..percpu section
- * also shows up as it it were part of it so we do an explict
- * check for that symbol name and ignore it.
+ *
+ * The linker incorrectly associates some symbols with the
+ * .data..percpu section so we also need to check the symbol
+ * name to make sure that we classify the symbol correctly.
+ *
+ * The GNU linker incorrectly associates:
+ * __init_begin
+ * __per_cpu_load
+ *
+ * The "gold" linker incorrectly associates:
+ * init_per_cpu__irq_stack_union
+ * init_per_cpu__gdt_page
*/
static int is_percpu_sym(ElfW(Sym) *sym, const char *symname)
{
return (sym->st_shndx == per_cpu_shndx) &&
- strcmp(symname, "__init_begin");
+ strcmp(symname, "__init_begin") &&
+ strcmp(symname, "__per_cpu_load") &&
+ strncmp(symname, "init_per_cpu_", 13);
}
diff --git a/arch/x86/vdso/vclock_gettime.c b/arch/x86/vdso/vclock_gettime.c
index 2ada505067c..eb5d7a56f8d 100644
--- a/arch/x86/vdso/vclock_gettime.c
+++ b/arch/x86/vdso/vclock_gettime.c
@@ -178,7 +178,7 @@ notrace static int __always_inline do_realtime(struct timespec *ts)
ts->tv_nsec = 0;
do {
- seq = read_seqcount_begin_no_lockdep(&gtod->seq);
+ seq = raw_read_seqcount_begin(&gtod->seq);
mode = gtod->clock.vclock_mode;
ts->tv_sec = gtod->wall_time_sec;
ns = gtod->wall_time_snsec;
@@ -198,7 +198,7 @@ notrace static int do_monotonic(struct timespec *ts)
ts->tv_nsec = 0;
do {
- seq = read_seqcount_begin_no_lockdep(&gtod->seq);
+ seq = raw_read_seqcount_begin(&gtod->seq);
mode = gtod->clock.vclock_mode;
ts->tv_sec = gtod->monotonic_time_sec;
ns = gtod->monotonic_time_snsec;
@@ -214,7 +214,7 @@ notrace static int do_realtime_coarse(struct timespec *ts)
{
unsigned long seq;
do {
- seq = read_seqcount_begin_no_lockdep(&gtod->seq);
+ seq = raw_read_seqcount_begin(&gtod->seq);
ts->tv_sec = gtod->wall_time_coarse.tv_sec;
ts->tv_nsec = gtod->wall_time_coarse.tv_nsec;
} while (unlikely(read_seqcount_retry(&gtod->seq, seq)));
@@ -225,7 +225,7 @@ notrace static int do_monotonic_coarse(struct timespec *ts)
{
unsigned long seq;
do {
- seq = read_seqcount_begin_no_lockdep(&gtod->seq);
+ seq = raw_read_seqcount_begin(&gtod->seq);
ts->tv_sec = gtod->monotonic_time_coarse.tv_sec;
ts->tv_nsec = gtod->monotonic_time_coarse.tv_nsec;
} while (unlikely(read_seqcount_retry(&gtod->seq, seq)));
diff --git a/arch/x86/vdso/vdso.S b/arch/x86/vdso/vdso.S
index 01f5e3b4613..1e13eb8c965 100644
--- a/arch/x86/vdso/vdso.S
+++ b/arch/x86/vdso/vdso.S
@@ -1,6 +1,5 @@
#include <asm/page_types.h>
#include <linux/linkage.h>
-#include <linux/init.h>
__PAGE_ALIGNED_DATA
diff --git a/arch/x86/vdso/vdsox32.S b/arch/x86/vdso/vdsox32.S
index d6b9a7f42a8..295f1c7543d 100644
--- a/arch/x86/vdso/vdsox32.S
+++ b/arch/x86/vdso/vdsox32.S
@@ -1,6 +1,5 @@
#include <asm/page_types.h>
#include <linux/linkage.h>
-#include <linux/init.h>
__PAGE_ALIGNED_DATA
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index 8d24dcb7cda..f8df0cc70cb 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -64,6 +64,9 @@ config MMU
config VARIANT_IRQ_SWITCH
def_bool n
+config HAVE_XTENSA_GPIO32
+ def_bool n
+
menu "Processor type and features"
choice
@@ -73,16 +76,19 @@ choice
config XTENSA_VARIANT_FSF
bool "fsf - default (not generic) configuration"
select MMU
+ select HAVE_XTENSA_GPIO32
config XTENSA_VARIANT_DC232B
bool "dc232b - Diamond 232L Standard Core Rev.B (LE)"
select MMU
+ select HAVE_XTENSA_GPIO32
help
This variant refers to Tensilica's Diamond 232L Standard core Rev.B (LE).
config XTENSA_VARIANT_DC233C
bool "dc233c - Diamond 233L Standard Core Rev.C (LE)"
select MMU
+ select HAVE_XTENSA_GPIO32
help
This variant refers to Tensilica's Diamond 233L Standard core Rev.C (LE).
diff --git a/arch/xtensa/include/asm/barrier.h b/arch/xtensa/include/asm/barrier.h
index ef021677d53..e1ee6b51dfc 100644
--- a/arch/xtensa/include/asm/barrier.h
+++ b/arch/xtensa/include/asm/barrier.h
@@ -9,21 +9,14 @@
#ifndef _XTENSA_SYSTEM_H
#define _XTENSA_SYSTEM_H
-#define smp_read_barrier_depends() do { } while(0)
-#define read_barrier_depends() do { } while(0)
-
#define mb() ({ __asm__ __volatile__("memw" : : : "memory"); })
#define rmb() barrier()
#define wmb() mb()
#ifdef CONFIG_SMP
#error smp_* not defined
-#else
-#define smp_mb() barrier()
-#define smp_rmb() barrier()
-#define smp_wmb() barrier()
#endif
-#define set_mb(var, value) do { var = value; mb(); } while (0)
+#include <asm-generic/barrier.h>
#endif /* _XTENSA_SYSTEM_H */