diff options
Diffstat (limited to 'arch')
44 files changed, 176 insertions, 347 deletions
diff --git a/arch/mips/cavium-octeon/flash_setup.c b/arch/mips/cavium-octeon/flash_setup.c index 975c20327bb..0a430e06f5e 100644 --- a/arch/mips/cavium-octeon/flash_setup.c +++ b/arch/mips/cavium-octeon/flash_setup.c @@ -17,8 +17,6 @@ static struct map_info flash_map; static struct mtd_info *mymtd; -static int nr_parts; -static struct mtd_partition *parts; static const char *part_probe_types[] = { "cmdlinepart", #ifdef CONFIG_MTD_REDBOOT_PARTS @@ -61,11 +59,8 @@ static int __init flash_init(void) mymtd = do_map_probe("cfi_probe", &flash_map); if (mymtd) { mymtd->owner = THIS_MODULE; - - nr_parts = parse_mtd_partitions(mymtd, - part_probe_types, - &parts, 0); - mtd_device_register(mymtd, parts, nr_parts); + mtd_device_parse_register(mymtd, part_probe_types, + 0, NULL, 0); } else { pr_err("Failed to register MTD device for flash\n"); } diff --git a/arch/mips/cavium-octeon/smp.c b/arch/mips/cavium-octeon/smp.c index 8b606423bbd..efcfff4d462 100644 --- a/arch/mips/cavium-octeon/smp.c +++ b/arch/mips/cavium-octeon/smp.c @@ -207,8 +207,9 @@ void octeon_prepare_cpus(unsigned int max_cpus) * the other bits alone. */ cvmx_write_csr(CVMX_CIU_MBOX_CLRX(cvmx_get_core_num()), 0xffff); - if (request_irq(OCTEON_IRQ_MBOX0, mailbox_interrupt, IRQF_DISABLED, - "SMP-IPI", mailbox_interrupt)) { + if (request_irq(OCTEON_IRQ_MBOX0, mailbox_interrupt, + IRQF_PERCPU | IRQF_NO_THREAD, "SMP-IPI", + mailbox_interrupt)) { panic("Cannot request_irq(OCTEON_IRQ_MBOX0)\n"); } } diff --git a/arch/mips/emma/common/prom.c b/arch/mips/emma/common/prom.c index 708f0876140..cae42259d6d 100644 --- a/arch/mips/emma/common/prom.c +++ b/arch/mips/emma/common/prom.c @@ -50,7 +50,7 @@ void __init prom_init(void) /* arg[0] is "g", the rest is boot parameters */ for (i = 1; i < argc; i++) { - if (strlen(arcs_cmdline) + strlen(arg[i] + 1) + if (strlen(arcs_cmdline) + strlen(arg[i]) + 1 >= sizeof(arcs_cmdline)) break; strcat(arcs_cmdline, arg[i]); diff --git a/arch/mips/include/asm/mach-bcm47xx/gpio.h b/arch/mips/include/asm/mach-bcm47xx/gpio.h index 76961cabeed..2ef17e8df40 100644 --- a/arch/mips/include/asm/mach-bcm47xx/gpio.h +++ b/arch/mips/include/asm/mach-bcm47xx/gpio.h @@ -36,6 +36,8 @@ static inline int gpio_get_value(unsigned gpio) return -EINVAL; } +#define gpio_get_value_cansleep gpio_get_value + static inline void gpio_set_value(unsigned gpio, int value) { switch (bcm47xx_bus_type) { @@ -54,6 +56,19 @@ static inline void gpio_set_value(unsigned gpio, int value) } } +#define gpio_set_value_cansleep gpio_set_value + +static inline int gpio_cansleep(unsigned gpio) +{ + return 0; +} + +static inline int gpio_is_valid(unsigned gpio) +{ + return gpio < (BCM47XX_EXTIF_GPIO_LINES + BCM47XX_CHIPCO_GPIO_LINES); +} + + static inline int gpio_direction_input(unsigned gpio) { switch (bcm47xx_bus_type) { @@ -137,7 +152,4 @@ static inline int gpio_polarity(unsigned gpio, int value) } -/* cansleep wrappers */ -#include <asm-generic/gpio.h> - #endif /* __BCM47XX_GPIO_H */ diff --git a/arch/mips/include/asm/unistd.h b/arch/mips/include/asm/unistd.h index ecea7871dec..d8dad5340ea 100644 --- a/arch/mips/include/asm/unistd.h +++ b/arch/mips/include/asm/unistd.h @@ -365,16 +365,18 @@ #define __NR_syncfs (__NR_Linux + 342) #define __NR_sendmmsg (__NR_Linux + 343) #define __NR_setns (__NR_Linux + 344) +#define __NR_process_vm_readv (__NR_Linux + 345) +#define __NR_process_vm_writev (__NR_Linux + 346) /* * Offset of the last Linux o32 flavoured syscall */ -#define __NR_Linux_syscalls 344 +#define __NR_Linux_syscalls 346 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */ #define __NR_O32_Linux 4000 -#define __NR_O32_Linux_syscalls 344 +#define __NR_O32_Linux_syscalls 346 #if _MIPS_SIM == _MIPS_SIM_ABI64 @@ -686,16 +688,18 @@ #define __NR_syncfs (__NR_Linux + 301) #define __NR_sendmmsg (__NR_Linux + 302) #define __NR_setns (__NR_Linux + 303) +#define __NR_process_vm_readv (__NR_Linux + 304) +#define __NR_process_vm_writev (__NR_Linux + 305) /* * Offset of the last Linux 64-bit flavoured syscall */ -#define __NR_Linux_syscalls 303 +#define __NR_Linux_syscalls 305 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */ #define __NR_64_Linux 5000 -#define __NR_64_Linux_syscalls 303 +#define __NR_64_Linux_syscalls 305 #if _MIPS_SIM == _MIPS_SIM_NABI32 @@ -1012,16 +1016,18 @@ #define __NR_syncfs (__NR_Linux + 306) #define __NR_sendmmsg (__NR_Linux + 307) #define __NR_setns (__NR_Linux + 308) +#define __NR_process_vm_readv (__NR_Linux + 309) +#define __NR_process_vm_writev (__NR_Linux + 310) /* * Offset of the last N32 flavoured syscall */ -#define __NR_Linux_syscalls 308 +#define __NR_Linux_syscalls 310 #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */ #define __NR_N32_Linux 6000 -#define __NR_N32_Linux_syscalls 308 +#define __NR_N32_Linux_syscalls 310 #ifdef __KERNEL__ diff --git a/arch/mips/kernel/cevt-r4k.c b/arch/mips/kernel/cevt-r4k.c index 98c5a9737c1..e2d8e199be3 100644 --- a/arch/mips/kernel/cevt-r4k.c +++ b/arch/mips/kernel/cevt-r4k.c @@ -103,19 +103,10 @@ static int c0_compare_int_pending(void) /* * Compare interrupt can be routed and latched outside the core, - * so a single execution hazard barrier may not be enough to give - * it time to clear as seen in the Cause register. 4 time the - * pipeline depth seems reasonably conservative, and empirically - * works better in configurations with high CPU/bus clock ratios. + * so wait up to worst case number of cycle counter ticks for timer interrupt + * changes to propagate to the cause register. */ - -#define compare_change_hazard() \ - do { \ - irq_disable_hazard(); \ - irq_disable_hazard(); \ - irq_disable_hazard(); \ - irq_disable_hazard(); \ - } while (0) +#define COMPARE_INT_SEEN_TICKS 50 int c0_compare_int_usable(void) { @@ -126,8 +117,12 @@ int c0_compare_int_usable(void) * IP7 already pending? Try to clear it by acking the timer. */ if (c0_compare_int_pending()) { - write_c0_compare(read_c0_count()); - compare_change_hazard(); + cnt = read_c0_count(); + write_c0_compare(cnt); + back_to_back_c0_hazard(); + while (read_c0_count() < (cnt + COMPARE_INT_SEEN_TICKS)) + if (!c0_compare_int_pending()) + break; if (c0_compare_int_pending()) return 0; } @@ -136,7 +131,7 @@ int c0_compare_int_usable(void) cnt = read_c0_count(); cnt += delta; write_c0_compare(cnt); - compare_change_hazard(); + back_to_back_c0_hazard(); if ((int)(read_c0_count() - cnt) < 0) break; /* increase delta if the timer was already expired */ @@ -145,12 +140,17 @@ int c0_compare_int_usable(void) while ((int)(read_c0_count() - cnt) <= 0) ; /* Wait for expiry */ - compare_change_hazard(); + while (read_c0_count() < (cnt + COMPARE_INT_SEEN_TICKS)) + if (c0_compare_int_pending()) + break; if (!c0_compare_int_pending()) return 0; - - write_c0_compare(read_c0_count()); - compare_change_hazard(); + cnt = read_c0_count(); + write_c0_compare(cnt); + back_to_back_c0_hazard(); + while (read_c0_count() < (cnt + COMPARE_INT_SEEN_TICKS)) + if (!c0_compare_int_pending()) + break; if (c0_compare_int_pending()) return 0; diff --git a/arch/mips/kernel/cpufreq/loongson2_clock.c b/arch/mips/kernel/cpufreq/loongson2_clock.c index cefc6e259ba..5426779d9fd 100644 --- a/arch/mips/kernel/cpufreq/loongson2_clock.c +++ b/arch/mips/kernel/cpufreq/loongson2_clock.c @@ -7,6 +7,7 @@ * for more details. */ +#include <linux/module.h> #include <linux/cpufreq.h> #include <linux/platform_device.h> diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S index 47920657968..a632bc144ef 100644 --- a/arch/mips/kernel/scall32-o32.S +++ b/arch/mips/kernel/scall32-o32.S @@ -591,6 +591,8 @@ einval: li v0, -ENOSYS sys sys_syncfs 1 sys sys_sendmmsg 4 sys sys_setns 2 + sys sys_process_vm_readv 6 /* 4345 */ + sys sys_process_vm_writev 6 .endm /* We pre-compute the number of _instruction_ bytes needed to diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S index fb7334bea73..3b5a5e9ae49 100644 --- a/arch/mips/kernel/scall64-64.S +++ b/arch/mips/kernel/scall64-64.S @@ -430,4 +430,6 @@ sys_call_table: PTR sys_syncfs PTR sys_sendmmsg PTR sys_setns + PTR sys_process_vm_readv + PTR sys_process_vm_writev /* 5305 */ .size sys_call_table,.-sys_call_table diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index 6de1f598346..6be6f702092 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -430,4 +430,6 @@ EXPORT(sysn32_call_table) PTR sys_syncfs PTR compat_sys_sendmmsg PTR sys_setns + PTR compat_sys_process_vm_readv + PTR compat_sys_process_vm_writev /* 6310 */ .size sysn32_call_table,.-sysn32_call_table diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index 1d813169e45..54228553691 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -548,4 +548,6 @@ sys_call_table: PTR sys_syncfs PTR compat_sys_sendmmsg PTR sys_setns + PTR compat_sys_process_vm_readv /* 4345 */ + PTR compat_sys_process_vm_writev .size sys_call_table,.-sys_call_table diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 261ccbc0774..5c8a49d5505 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -1596,7 +1596,8 @@ void __cpuinit per_cpu_trap_init(void) } #endif /* CONFIG_MIPS_MT_SMTC */ - cpu_data[cpu].asid_cache = ASID_FIRST_VERSION; + if (!cpu_data[cpu].asid_cache) + cpu_data[cpu].asid_cache = ASID_FIRST_VERSION; atomic_inc(&init_mm.mm_count); current->active_mm = &init_mm; diff --git a/arch/mips/lantiq/clk.c b/arch/mips/lantiq/clk.c index 7e9c0ffc11a..77ed70fc2fe 100644 --- a/arch/mips/lantiq/clk.c +++ b/arch/mips/lantiq/clk.c @@ -7,7 +7,7 @@ * Copyright (C) 2010 John Crispin <blogic@openwrt.org> */ #include <linux/io.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/types.h> diff --git a/arch/mips/lantiq/devices.c b/arch/mips/lantiq/devices.c index 44a36771c81..de1cb2bcd79 100644 --- a/arch/mips/lantiq/devices.c +++ b/arch/mips/lantiq/devices.c @@ -7,7 +7,7 @@ */ #include <linux/init.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/types.h> #include <linux/string.h> #include <linux/kernel.h> diff --git a/arch/mips/lantiq/prom.c b/arch/mips/lantiq/prom.c index 56ba007bf1e..e34fcfd0d5c 100644 --- a/arch/mips/lantiq/prom.c +++ b/arch/mips/lantiq/prom.c @@ -6,7 +6,7 @@ * Copyright (C) 2010 John Crispin <blogic@openwrt.org> */ -#include <linux/module.h> +#include <linux/export.h> #include <linux/clk.h> #include <asm/bootinfo.h> #include <asm/time.h> diff --git a/arch/mips/lantiq/setup.c b/arch/mips/lantiq/setup.c index 9b8af77ed0f..1ff6c9d6cb9 100644 --- a/arch/mips/lantiq/setup.c +++ b/arch/mips/lantiq/setup.c @@ -7,7 +7,7 @@ */ #include <linux/kernel.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/io.h> #include <linux/ioport.h> #include <asm/bootinfo.h> diff --git a/arch/mips/lantiq/xway/clk-ase.c b/arch/mips/lantiq/xway/clk-ase.c index 22d823acd53..652258309c9 100644 --- a/arch/mips/lantiq/xway/clk-ase.c +++ b/arch/mips/lantiq/xway/clk-ase.c @@ -7,7 +7,7 @@ */ #include <linux/io.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/init.h> #include <linux/clk.h> diff --git a/arch/mips/lantiq/xway/clk-xway.c b/arch/mips/lantiq/xway/clk-xway.c index ddd39593c58..696b1a3e064 100644 --- a/arch/mips/lantiq/xway/clk-xway.c +++ b/arch/mips/lantiq/xway/clk-xway.c @@ -7,7 +7,7 @@ */ #include <linux/io.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/init.h> #include <linux/clk.h> diff --git a/arch/mips/lantiq/xway/devices.c b/arch/mips/lantiq/xway/devices.c index d0e32ab2ea0..d614aa7ff07 100644 --- a/arch/mips/lantiq/xway/devices.c +++ b/arch/mips/lantiq/xway/devices.c @@ -7,7 +7,7 @@ */ #include <linux/init.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/types.h> #include <linux/string.h> #include <linux/mtd/physmap.h> diff --git a/arch/mips/lantiq/xway/dma.c b/arch/mips/lantiq/xway/dma.c index 4278a459d6c..cbb6ae5747b 100644 --- a/arch/mips/lantiq/xway/dma.c +++ b/arch/mips/lantiq/xway/dma.c @@ -19,6 +19,7 @@ #include <linux/platform_device.h> #include <linux/io.h> #include <linux/dma-mapping.h> +#include <linux/export.h> #include <lantiq_soc.h> #include <xway_dma.h> diff --git a/arch/mips/lantiq/xway/gpio.c b/arch/mips/lantiq/xway/gpio.c index a321451a545..d2fa98f3c78 100644 --- a/arch/mips/lantiq/xway/gpio.c +++ b/arch/mips/lantiq/xway/gpio.c @@ -7,7 +7,7 @@ */ #include <linux/slab.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/platform_device.h> #include <linux/gpio.h> #include <linux/ioport.h> diff --git a/arch/mips/lantiq/xway/gpio_ebu.c b/arch/mips/lantiq/xway/gpio_ebu.c index a479355abdb..b91c7f17f10 100644 --- a/arch/mips/lantiq/xway/gpio_ebu.c +++ b/arch/mips/lantiq/xway/gpio_ebu.c @@ -7,7 +7,7 @@ */ #include <linux/init.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/types.h> #include <linux/platform_device.h> #include <linux/mutex.h> diff --git a/arch/mips/lantiq/xway/gpio_stp.c b/arch/mips/lantiq/xway/gpio_stp.c index 67d59d69034..ff9991cddea 100644 --- a/arch/mips/lantiq/xway/gpio_stp.c +++ b/arch/mips/lantiq/xway/gpio_stp.c @@ -9,7 +9,7 @@ #include <linux/slab.h> #include <linux/init.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/types.h> #include <linux/platform_device.h> #include <linux/mutex.h> diff --git a/arch/mips/lantiq/xway/prom-ase.c b/arch/mips/lantiq/xway/prom-ase.c index abe49f4db57..ae4959ae865 100644 --- a/arch/mips/lantiq/xway/prom-ase.c +++ b/arch/mips/lantiq/xway/prom-ase.c @@ -6,7 +6,7 @@ * Copyright (C) 2010 John Crispin <blogic@openwrt.org> */ -#include <linux/module.h> +#include <linux/export.h> #include <linux/clk.h> #include <asm/bootinfo.h> #include <asm/time.h> diff --git a/arch/mips/lantiq/xway/prom-xway.c b/arch/mips/lantiq/xway/prom-xway.c index 1686692ac24..2228133ca35 100644 --- a/arch/mips/lantiq/xway/prom-xway.c +++ b/arch/mips/lantiq/xway/prom-xway.c @@ -6,7 +6,7 @@ * Copyright (C) 2010 John Crispin <blogic@openwrt.org> */ -#include <linux/module.h> +#include <linux/export.h> #include <linux/clk.h> #include <asm/bootinfo.h> #include <asm/time.h> diff --git a/arch/mips/lantiq/xway/reset.c b/arch/mips/lantiq/xway/reset.c index a1be36d0e49..3d41f0bb5bf 100644 --- a/arch/mips/lantiq/xway/reset.c +++ b/arch/mips/lantiq/xway/reset.c @@ -10,7 +10,7 @@ #include <linux/io.h> #include <linux/ioport.h> #include <linux/pm.h> -#include <linux/module.h> +#include <linux/export.h> #include <asm/reboot.h> #include <lantiq_soc.h> diff --git a/arch/mips/nxp/pnx8550/common/pci.c b/arch/mips/nxp/pnx8550/common/pci.c deleted file mode 100644 index 98e86ddb86c..00000000000 --- a/arch/mips/nxp/pnx8550/common/pci.c +++ /dev/null @@ -1,134 +0,0 @@ -/* - * - * BRIEF MODULE DESCRIPTION - * - * Author: source@mvista.com - * - * This program is free software; you can distribute 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 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/types.h> -#include <linux/pci.h> -#include <linux/kernel.h> -#include <linux/init.h> - -#include <pci.h> -#include <glb.h> -#include <nand.h> - -static struct resource pci_io_resource = { - .start = PNX8550_PCIIO + 0x1000, /* reserve regacy I/O space */ - .end = PNX8550_PCIIO + PNX8550_PCIIO_SIZE, - .name = "pci IO space", - .flags = IORESOURCE_IO -}; - -static struct resource pci_mem_resource = { - .start = PNX8550_PCIMEM, - .end = PNX8550_PCIMEM + PNX8550_PCIMEM_SIZE - 1, - .name = "pci memory space", - .flags = IORESOURCE_MEM -}; - -extern struct pci_ops pnx8550_pci_ops; - -static struct pci_controller pnx8550_controller = { - .pci_ops = &pnx8550_pci_ops, - .io_map_base = PNX8550_PORT_BASE, - .io_resource = &pci_io_resource, - .mem_resource = &pci_mem_resource, -}; - -/* Return the total size of DRAM-memory, (RANK0 + RANK1) */ -static inline unsigned long get_system_mem_size(void) -{ - /* Read IP2031_RANK0_ADDR_LO */ - unsigned long dram_r0_lo = inl(PCI_BASE | 0x65010); - /* Read IP2031_RANK1_ADDR_HI */ - unsigned long dram_r1_hi = inl(PCI_BASE | 0x65018); - - return dram_r1_hi - dram_r0_lo + 1; -} - -static int __init pnx8550_pci_setup(void) -{ - int pci_mem_code; - int mem_size = get_system_mem_size() >> 20; - - /* Clear the Global 2 Register, PCI Inta Output Enable Registers - Bit 1:Enable DAC Powerdown - -> 0:DACs are enabled and are working normally - 1:DACs are powerdown - Bit 0:Enable of PCI inta output - -> 0 = Disable PCI inta output - 1 = Enable PCI inta output - */ - PNX8550_GLB2_ENAB_INTA_O = 0; - - /* Calc the PCI mem size code */ - if (mem_size >= 128) - pci_mem_code = SIZE_128M; - else if (mem_size >= 64) - pci_mem_code = SIZE_64M; - else if (mem_size >= 32) - pci_mem_code = SIZE_32M; - else - pci_mem_code = SIZE_16M; - - /* Set PCI_XIO registers */ - outl(pci_mem_resource.start, PCI_BASE | PCI_BASE1_LO); - outl(pci_mem_resource.end + 1, PCI_BASE | PCI_BASE1_HI); - outl(pci_io_resource.start, PCI_BASE | PCI_BASE2_LO); - outl(pci_io_resource.end, PCI_BASE | PCI_BASE2_HI); - - /* Send memory transaction via PCI_BASE2 */ - outl(0x00000001, PCI_BASE | PCI_IO); - - /* Unlock the setup register */ - outl(0xca, PCI_BASE | PCI_UNLOCKREG); - - /* - * BAR0 of PNX8550 (pci base 10) must be zero in order for ide - * to work, and in order for bus_to_baddr to work without any - * hacks. - */ - outl(0x00000000, PCI_BASE | PCI_BASE10); - - /* - *These two bars are set by default or the boot code. - * However, it's safer to set them here so we're not boot - * code dependent. - */ - outl(0x1be00000, PCI_BASE | PCI_BASE14); /* PNX MMIO */ - outl(PNX8550_NAND_BASE_ADDR, PCI_BASE | PCI_BASE18); /* XIO */ - - outl(PCI_EN_TA | - PCI_EN_PCI2MMI | - PCI_EN_XIO | - PCI_SETUP_BASE18_SIZE(SIZE_32M) | - PCI_SETUP_BASE18_EN | - PCI_SETUP_BASE14_EN | - PCI_SETUP_BASE10_PREF | - PCI_SETUP_BASE10_SIZE(pci_mem_code) | - PCI_SETUP_CFGMANAGE_EN | - PCI_SETUP_PCIARB_EN, - PCI_BASE | - PCI_SETUP); /* PCI_SETUP */ - outl(0x00000000, PCI_BASE | PCI_CTRL); /* PCI_CONTROL */ - - register_pci_controller(&pnx8550_controller); - - return 0; -} - -arch_initcall(pnx8550_pci_setup); diff --git a/arch/mips/nxp/pnx8550/common/setup.c b/arch/mips/nxp/pnx8550/common/setup.c deleted file mode 100644 index 71adac32332..00000000000 --- a/arch/mips/nxp/pnx8550/common/setup.c +++ /dev/null @@ -1,143 +0,0 @@ -/* - * - * 2.6 port, Embedded Alley Solutions, Inc - * - * Based on Per Hallsmark, per.hallsmark@mvista.com - * - * This program is free software; you can distribute 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 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/init.h> -#include <linux/sched.h> -#include <linux/ioport.h> -#include <linux/irq.h> -#include <linux/mm.h> -#include <linux/delay.h> -#include <linux/interrupt.h> -#include <linux/serial_pnx8xxx.h> -#include <linux/pm.h> - -#include <asm/cpu.h> -#include <asm/bootinfo.h> -#include <asm/irq.h> -#include <asm/mipsregs.h> -#include <asm/reboot.h> -#include <asm/pgtable.h> -#include <asm/time.h> - -#include <glb.h> -#include <int.h> -#include <pci.h> -#include <uart.h> -#include <nand.h> - -extern void __init board_setup(void); -extern void pnx8550_machine_restart(char *); -extern void pnx8550_machine_halt(void); -extern void pnx8550_machine_power_off(void); -extern struct resource ioport_resource; -extern struct resource iomem_resource; -extern char *prom_getcmdline(void); - -struct resource standard_io_resources[] = { - { - .start = 0x00, - .end = 0x1f, - .name = "dma1", - .flags = IORESOURCE_BUSY - }, { - .start = 0x40, - .end = 0x5f, - .name = "timer", - .flags = IORESOURCE_BUSY - }, { - .start = 0x80, - .end = 0x8f, - .name = "dma page reg", - .flags = IORESOURCE_BUSY - }, { - .start = 0xc0, - .end = 0xdf, - .name = "dma2", - .flags = IORESOURCE_BUSY - }, -}; - -#define STANDARD_IO_RESOURCES ARRAY_SIZE(standard_io_resources) - -extern struct resource pci_io_resource; -extern struct resource pci_mem_resource; - -/* Return the total size of DRAM-memory, (RANK0 + RANK1) */ -unsigned long get_system_mem_size(void) -{ - /* Read IP2031_RANK0_ADDR_LO */ - unsigned long dram_r0_lo = inl(PCI_BASE | 0x65010); - /* Read IP2031_RANK1_ADDR_HI */ - unsigned long dram_r1_hi = inl(PCI_BASE | 0x65018); - - return dram_r1_hi - dram_r0_lo + 1; -} - -int pnx8550_console_port = -1; - -void __init plat_mem_setup(void) -{ - int i; - char* argptr; - - board_setup(); /* board specific setup */ - - _machine_restart = pnx8550_machine_restart; - _machine_halt = pnx8550_machine_halt; - pm_power_off = pnx8550_machine_power_off; - - /* Clear the Global 2 Register, PCI Inta Output Enable Registers - Bit 1:Enable DAC Powerdown - -> 0:DACs are enabled and are working normally - 1:DACs are powerdown - Bit 0:Enable of PCI inta output - -> 0 = Disable PCI inta output - 1 = Enable PCI inta output - */ - PNX8550_GLB2_ENAB_INTA_O = 0; - - /* IO/MEM resources. */ - set_io_port_base(PNX8550_PORT_BASE); - ioport_resource.start = 0; - ioport_resource.end = ~0; - iomem_resource.start = 0; - iomem_resource.end = ~0; - - /* Request I/O space for devices on this board */ - for (i = 0; i < STANDARD_IO_RESOURCES; i++) - request_resource(&ioport_resource, standard_io_resources + i); - - /* Place the Mode Control bit for GPIO pin 16 in primary function */ - /* Pin 16 is used by UART1, UA1_TX */ - outl((PNX8550_GPIO_MODE_PRIMOP << PNX8550_GPIO_MC_16_BIT) | - (PNX8550_GPIO_MODE_PRIMOP << PNX8550_GPIO_MC_17_BIT), - PNX8550_GPIO_MC1); - - argptr = prom_getcmdline(); - if ((argptr = strstr(argptr, "console=ttyS")) != NULL) { - argptr += strlen("console=ttyS"); - pnx8550_console_port = *argptr == '0' ? 0 : 1; - - /* We must initialize the UART (console) before early printk */ - /* Set LCR to 8-bit and BAUD to 38400 (no 5) */ - ip3106_lcr(UART_BASE, pnx8550_console_port) = - PNX8XXX_UART_LCR_8BIT; - ip3106_baud(UART_BASE, pnx8550_console_port) = 5; - } -} diff --git a/arch/mips/pci/pci-alchemy.c b/arch/mips/pci/pci-alchemy.c index 4ee57104e47..b5ce041cdaf 100644 --- a/arch/mips/pci/pci-alchemy.c +++ b/arch/mips/pci/pci-alchemy.c @@ -7,6 +7,7 @@ * Support for all devices (greater than 16) added by David Gathright. */ +#include <linux/export.h> #include <linux/types.h> #include <linux/pci.h> #include <linux/platform_device.h> diff --git a/arch/mips/pci/pci-lantiq.c b/arch/mips/pci/pci-lantiq.c index 8656388b34b..be1e1afe12c 100644 --- a/arch/mips/pci/pci-lantiq.c +++ b/arch/mips/pci/pci-lantiq.c @@ -13,6 +13,7 @@ #include <linux/delay.h> #include <linux/mm.h> #include <linux/vmalloc.h> +#include <linux/export.h> #include <linux/platform_device.h> #include <asm/pci.h> diff --git a/arch/mips/pmc-sierra/yosemite/prom.c b/arch/mips/pmc-sierra/yosemite/prom.c index cf4c868715a..dcc926e06fc 100644 --- a/arch/mips/pmc-sierra/yosemite/prom.c +++ b/arch/mips/pmc-sierra/yosemite/prom.c @@ -102,7 +102,7 @@ void __init prom_init(void) /* Get the boot parameters */ for (i = 1; i < argc; i++) { - if (strlen(arcs_cmdline) + strlen(arg[i] + 1) >= + if (strlen(arcs_cmdline) + strlen(arg[i]) + 1 >= sizeof(arcs_cmdline)) break; diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index a9fbd43395f..373679b3744 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -572,6 +572,7 @@ config KEXEC config CRASH_DUMP bool "kernel crash dumps" depends on 64BIT + select KEXEC help Generate crash dump after being started by kexec. Crash dump kernels are loaded in the main kernel with kexec-tools diff --git a/arch/s390/crypto/crypt_s390.h b/arch/s390/crypto/crypt_s390.h index 49676771bd6..ffd1ac255f1 100644 --- a/arch/s390/crypto/crypt_s390.h +++ b/arch/s390/crypto/crypt_s390.h @@ -368,9 +368,12 @@ static inline int crypt_s390_func_available(int func, if (facility_mask & CRYPT_S390_MSA && !test_facility(17)) return 0; - if (facility_mask & CRYPT_S390_MSA3 && !test_facility(76)) + + if (facility_mask & CRYPT_S390_MSA3 && + (!test_facility(2) || !test_facility(76))) return 0; - if (facility_mask & CRYPT_S390_MSA4 && !test_facility(77)) + if (facility_mask & CRYPT_S390_MSA4 && + (!test_facility(2) || !test_facility(77))) return 0; switch (func & CRYPT_S390_OP_MASK) { diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index 34ede0ea85a..524d23b8610 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -593,6 +593,8 @@ static inline pgste_t pgste_update_all(pte_t *ptep, pgste_t pgste) unsigned long address, bits; unsigned char skey; + if (!pte_present(*ptep)) + return pgste; address = pte_val(*ptep) & PAGE_MASK; skey = page_get_storage_key(address); bits = skey & (_PAGE_CHANGED | _PAGE_REFERENCED); @@ -625,6 +627,8 @@ static inline pgste_t pgste_update_young(pte_t *ptep, pgste_t pgste) #ifdef CONFIG_PGSTE int young; + if (!pte_present(*ptep)) + return pgste; young = page_reset_referenced(pte_val(*ptep) & PAGE_MASK); /* Transfer page referenced bit to pte software bit (host view) */ if (young || (pgste_val(pgste) & RCP_HR_BIT)) @@ -638,13 +642,15 @@ static inline pgste_t pgste_update_young(pte_t *ptep, pgste_t pgste) } -static inline void pgste_set_pte(pte_t *ptep, pgste_t pgste) +static inline void pgste_set_pte(pte_t *ptep, pgste_t pgste, pte_t entry) { #ifdef CONFIG_PGSTE unsigned long address; unsigned long okey, nkey; - address = pte_val(*ptep) & PAGE_MASK; + if (!pte_present(entry)) + return; + address = pte_val(entry) & PAGE_MASK; okey = nkey = page_get_storage_key(address); nkey &= ~(_PAGE_ACC_BITS | _PAGE_FP_BIT); /* Set page access key and fetch protection bit from pgste */ @@ -712,7 +718,7 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, if (mm_has_pgste(mm)) { pgste = pgste_get_lock(ptep); - pgste_set_pte(ptep, pgste); + pgste_set_pte(ptep, pgste, entry); *ptep = entry; pgste_set_unlock(ptep, pgste); } else diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h index 5a099714df0..097183c7040 100644 --- a/arch/s390/include/asm/setup.h +++ b/arch/s390/include/asm/setup.h @@ -82,6 +82,7 @@ extern unsigned int user_mode; #define MACHINE_FLAG_LPAR (1UL << 12) #define MACHINE_FLAG_SPP (1UL << 13) #define MACHINE_FLAG_TOPOLOGY (1UL << 14) +#define MACHINE_FLAG_STCKF (1UL << 15) #define MACHINE_IS_VM (S390_lowcore.machine_flags & MACHINE_FLAG_VM) #define MACHINE_IS_KVM (S390_lowcore.machine_flags & MACHINE_FLAG_KVM) @@ -100,6 +101,7 @@ extern unsigned int user_mode; #define MACHINE_HAS_PFMF (0) #define MACHINE_HAS_SPP (0) #define MACHINE_HAS_TOPOLOGY (0) +#define MACHINE_HAS_STCKF (0) #else /* __s390x__ */ #define MACHINE_HAS_IEEE (1) #define MACHINE_HAS_CSP (1) @@ -111,6 +113,7 @@ extern unsigned int user_mode; #define MACHINE_HAS_PFMF (S390_lowcore.machine_flags & MACHINE_FLAG_PFMF) #define MACHINE_HAS_SPP (S390_lowcore.machine_flags & MACHINE_FLAG_SPP) #define MACHINE_HAS_TOPOLOGY (S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY) +#define MACHINE_HAS_STCKF (S390_lowcore.machine_flags & MACHINE_FLAG_STCKF) #endif /* __s390x__ */ #define ZFCPDUMP_HSA_SIZE (32UL<<20) diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h index d610bef9c5e..c447a27a7fd 100644 --- a/arch/s390/include/asm/timex.h +++ b/arch/s390/include/asm/timex.h @@ -90,7 +90,7 @@ static inline unsigned long long get_clock_fast(void) { unsigned long long clk; - if (test_facility(25)) + if (MACHINE_HAS_STCKF) asm volatile(".insn s,0xb27c0000,%0" : "=Q" (clk) : : "cc"); else clk = get_clock(); diff --git a/arch/s390/include/asm/unistd.h b/arch/s390/include/asm/unistd.h index 404bdb9671b..58de4c91c33 100644 --- a/arch/s390/include/asm/unistd.h +++ b/arch/s390/include/asm/unistd.h @@ -277,7 +277,9 @@ #define __NR_clock_adjtime 337 #define __NR_syncfs 338 #define __NR_setns 339 -#define NR_syscalls 340 +#define __NR_process_vm_readv 340 +#define __NR_process_vm_writev 341 +#define NR_syscalls 342 /* * There are some system calls that are not present on 64 bit, some diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S index 5006a1d9f5d..18c51df9fe0 100644 --- a/arch/s390/kernel/compat_wrapper.S +++ b/arch/s390/kernel/compat_wrapper.S @@ -1627,3 +1627,23 @@ ENTRY(sys_setns_wrapper) lgfr %r2,%r2 # int lgfr %r3,%r3 # int jg sys_setns + +ENTRY(compat_sys_process_vm_readv_wrapper) + lgfr %r2,%r2 # compat_pid_t + llgtr %r3,%r3 # struct compat_iovec __user * + llgfr %r4,%r4 # unsigned long + llgtr %r5,%r5 # struct compat_iovec __user * + llgfr %r6,%r6 # unsigned long + llgf %r0,164(%r15) # unsigned long + stg %r0,160(%r15) + jg sys_process_vm_readv + +ENTRY(compat_sys_process_vm_writev_wrapper) + lgfr %r2,%r2 # compat_pid_t + llgtr %r3,%r3 # struct compat_iovec __user * + llgfr %r4,%r4 # unsigned long + llgtr %r5,%r5 # struct compat_iovec __user * + llgfr %r6,%r6 # unsigned long + llgf %r0,164(%r15) # unsigned long + stg %r0,160(%r15) + jg sys_process_vm_writev diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c index 37394b3413e..c9ffe002519 100644 --- a/arch/s390/kernel/early.c +++ b/arch/s390/kernel/early.c @@ -390,6 +390,8 @@ static __init void detect_machine_facilities(void) S390_lowcore.machine_flags |= MACHINE_FLAG_MVCOS; if (test_facility(40)) S390_lowcore.machine_flags |= MACHINE_FLAG_SPP; + if (test_facility(25)) + S390_lowcore.machine_flags |= MACHINE_FLAG_STCKF; #endif } diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 8ac6bfa2786..e58a462949b 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -211,6 +211,8 @@ static void __init setup_zfcpdump(unsigned int console_devno) if (ipl_info.type != IPL_TYPE_FCP_DUMP) return; + if (OLDMEM_BASE) + return; if (console_devno != -1) sprintf(str, " cio_ignore=all,!0.0.%04x,!0.0.%04x", ipl_info.data.fcp.dev_id.devno, console_devno); @@ -482,7 +484,7 @@ static void __init setup_memory_end(void) #ifdef CONFIG_ZFCPDUMP - if (ipl_info.type == IPL_TYPE_FCP_DUMP) { + if (ipl_info.type == IPL_TYPE_FCP_DUMP && !OLDMEM_BASE) { memory_end = ZFCPDUMP_HSA_SIZE; memory_end_set = 1; } diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S index 73eb08c874f..bcab2f04ba5 100644 --- a/arch/s390/kernel/syscalls.S +++ b/arch/s390/kernel/syscalls.S @@ -348,3 +348,5 @@ SYSCALL(sys_open_by_handle_at,sys_open_by_handle_at,compat_sys_open_by_handle_at SYSCALL(sys_clock_adjtime,sys_clock_adjtime,compat_sys_clock_adjtime_wrapper) SYSCALL(sys_syncfs,sys_syncfs,sys_syncfs_wrapper) SYSCALL(sys_setns,sys_setns,sys_setns_wrapper) +SYSCALL(sys_process_vm_readv,sys_process_vm_readv,compat_sys_process_vm_readv_wrapper) /* 340 */ +SYSCALL(sys_process_vm_writev,sys_process_vm_writev,compat_sys_process_vm_writev_wrapper) diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c index 77b8942b9a1..fdb5b8cb260 100644 --- a/arch/s390/kernel/topology.c +++ b/arch/s390/kernel/topology.c @@ -68,8 +68,10 @@ static cpumask_t cpu_group_map(struct mask_info *info, unsigned int cpu) return mask; } -static void add_cpus_to_mask(struct topology_cpu *tl_cpu, - struct mask_info *book, struct mask_info *core) +static struct mask_info *add_cpus_to_mask(struct topology_cpu *tl_cpu, + struct mask_info *book, + struct mask_info *core, + int z10) { unsigned int cpu; @@ -88,10 +90,16 @@ static void add_cpus_to_mask(struct topology_cpu *tl_cpu, cpu_book_id[lcpu] = book->id; #endif cpumask_set_cpu(lcpu, &core->mask); - cpu_core_id[lcpu] = core->id; + if (z10) { + cpu_core_id[lcpu] = rcpu; + core = core->next; + } else { + cpu_core_id[lcpu] = core->id; + } smp_cpu_polarization[lcpu] = tl_cpu->pp; } } + return core; } static void clear_masks(void) @@ -123,18 +131,41 @@ static void tl_to_cores(struct sysinfo_15_1_x *info) { #ifdef CONFIG_SCHED_BOOK struct mask_info *book = &book_info; + struct cpuid cpu_id; #else struct mask_info *book = NULL; #endif struct mask_info *core = &core_info; union topology_entry *tle, *end; + int z10 = 0; - +#ifdef CONFIG_SCHED_BOOK + get_cpu_id(&cpu_id); + z10 = cpu_id.machine == 0x2097 || cpu_id.machine == 0x2098; +#endif spin_lock_irq(&topology_lock); clear_masks(); tle = info->tle; end = (union topology_entry *)((unsigned long)info + info->length); while (tle < end) { +#ifdef CONFIG_SCHED_BOOK + if (z10) { + switch (tle->nl) { + case 1: + book = book->next; + book->id = tle->container.id; + break; + case 0: + core = add_cpus_to_mask(&tle->cpu, book, core, z10); + break; + default: + clear_masks(); + goto out; + } + tle = next_tle(tle); + continue; + } +#endif switch (tle->nl) { #ifdef CONFIG_SCHED_BOOK case 2: @@ -147,7 +178,7 @@ static void tl_to_cores(struct sysinfo_15_1_x *info) core->id = tle->container.id; break; case 0: - add_cpus_to_mask(&tle->cpu, book, core); + add_cpus_to_mask(&tle->cpu, book, core, z10); break; default: clear_masks(); @@ -328,8 +359,8 @@ void __init s390_init_cpu_topology(void) for (i = 0; i < TOPOLOGY_NR_MAG; i++) printk(" %d", info->mag[i]); printk(" / %d\n", info->mnest); - alloc_masks(info, &core_info, 2); + alloc_masks(info, &core_info, 1); #ifdef CONFIG_SCHED_BOOK - alloc_masks(info, &book_info, 3); + alloc_masks(info, &book_info, 2); #endif } diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S index 56fe6bc81fe..e4c79ebb40e 100644 --- a/arch/s390/kernel/vmlinux.lds.S +++ b/arch/s390/kernel/vmlinux.lds.S @@ -43,6 +43,8 @@ SECTIONS NOTES :text :note + .dummy : { *(.dummy) } :data + RODATA #ifdef CONFIG_SHARED_KERNEL diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index 1766def5bc3..a9a301866b3 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -587,8 +587,13 @@ static void pfault_interrupt(unsigned int ext_int_code, } else { /* Completion interrupt was faster than initial * interrupt. Set pfault_wait to -1 so the initial - * interrupt doesn't put the task to sleep. */ - tsk->thread.pfault_wait = -1; + * interrupt doesn't put the task to sleep. + * If the task is not running, ignore the completion + * interrupt since it must be a leftover of a PFAULT + * CANCEL operation which didn't remove all pending + * completion interrupts. */ + if (tsk->state == TASK_RUNNING) + tsk->thread.pfault_wait = -1; } put_task_struct(tsk); } else { |