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Both dump_stack() and show_stack() are currently implemented by each
architecture. show_stack(NULL, NULL) dumps the backtrace for the
current task as does dump_stack(). On some archs, dump_stack() prints
extra information - pid, utsname and so on - in addition to the
backtrace while the two are identical on other archs.
The usages in arch-independent code of the two functions indicate
show_stack(NULL, NULL) should print out bare backtrace while
dump_stack() is used for debugging purposes when something went wrong,
so it does make sense to print additional information on the task which
triggered dump_stack().
There's no reason to require archs to implement two separate but mostly
identical functions. It leads to unnecessary subtle information.
This patch expands the dummy fallback dump_stack() implementation in
lib/dump_stack.c such that it prints out debug information (taken from
x86) and invokes show_stack(NULL, NULL) and drops arch-specific
dump_stack() implementations in all archs except blackfin. Blackfin's
dump_stack() does something wonky that I don't understand.
Debug information can be printed separately by calling
dump_stack_print_info() so that arch-specific dump_stack()
implementation can still emit the same debug information. This is used
in blackfin.
This patch brings the following behavior changes.
* On some archs, an extra level in backtrace for show_stack() could be
printed. This is because the top frame was determined in
dump_stack() on those archs while generic dump_stack() can't do that
reliably. It can be compensated by inlining dump_stack() but not
sure whether that'd be necessary.
* Most archs didn't use to print debug info on dump_stack(). They do
now.
An example WARN dump follows.
WARNING: at kernel/workqueue.c:4841 init_workqueues+0x35/0x505()
Hardware name: empty
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.9.0-rc1-work+ #9
0000000000000009 ffff88007c861e08 ffffffff81c614dc ffff88007c861e48
ffffffff8108f50f ffffffff82228240 0000000000000040 ffffffff8234a03c
0000000000000000 0000000000000000 0000000000000000 ffff88007c861e58
Call Trace:
[<ffffffff81c614dc>] dump_stack+0x19/0x1b
[<ffffffff8108f50f>] warn_slowpath_common+0x7f/0xc0
[<ffffffff8108f56a>] warn_slowpath_null+0x1a/0x20
[<ffffffff8234a071>] init_workqueues+0x35/0x505
...
v2: CPU number added to the generic debug info as requested by s390
folks and dropped the s390 specific dump_stack(). This loses %ksp
from the debug message which the maintainers think isn't important
enough to keep the s390-specific dump_stack() implementation.
dump_stack_print_info() is moved to kernel/printk.c from
lib/dump_stack.c. Because linkage is per objecct file,
dump_stack_print_info() living in the same lib file as generic
dump_stack() means that archs which implement custom dump_stack()
- at this point, only blackfin - can't use dump_stack_print_info()
as that will bring in the generic version of dump_stack() too. v1
The v1 patch broke build on blackfin due to this issue. The build
breakage was reported by Fengguang Wu.
Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Vineet Gupta <vgupta@synopsys.com>
Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>
Acked-by: Vineet Gupta <vgupta@synopsys.com>
Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com> [s390 bits]
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Fengguang Wu <fengguang.wu@intel.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Richard Kuo <rkuo@codeaurora.org> [hexagon bits]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management and ACPI updates from Rafael J Wysocki:
- ARM big.LITTLE cpufreq driver from Viresh Kumar.
- exynos5440 cpufreq driver from Amit Daniel Kachhap.
- cpufreq core cleanup and code consolidation from Viresh Kumar and
Stratos Karafotis.
- cpufreq scalability improvement from Nathan Zimmer.
- AMD "frequency sensitivity feedback" powersave bias for the ondemand
cpufreq governor from Jacob Shin.
- cpuidle code consolidation and cleanups from Daniel Lezcano.
- ARM OMAP cpuidle fixes from Santosh Shilimkar and Daniel Lezcano.
- ACPICA fixes and other improvements from Bob Moore, Jung-uk Kim, Lv
Zheng, Yinghai Lu, Tang Chen, Colin Ian King, and Linn Crosetto.
- ACPI core updates related to hotplug from Toshi Kani, Paul Bolle,
Yasuaki Ishimatsu, and Rafael J Wysocki.
- Intel Lynxpoint LPSS (Low-Power Subsystem) support improvements from
Rafael J Wysocki and Andy Shevchenko.
* tag 'pm+acpi-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (192 commits)
cpufreq: Revert incorrect commit 5800043
cpufreq: MAINTAINERS: Add co-maintainer
cpuidle: add maintainer entry
ACPI / thermal: do not always return THERMAL_TREND_RAISING for active trip points
ARM: s3c64xx: cpuidle: use init/exit common routine
cpufreq: pxa2xx: initialize variables
ACPI: video: correct acpi_video_bus_add error processing
SH: cpuidle: use init/exit common routine
ARM: S5pv210: compiling issue, ARM_S5PV210_CPUFREQ needs CONFIG_CPU_FREQ_TABLE=y
ACPI: Fix wrong parameter passed to memblock_reserve
cpuidle: fix comment format
pnp: use %*phC to dump small buffers
isapnp: remove debug leftovers
ARM: imx: cpuidle: use init/exit common routine
ARM: davinci: cpuidle: use init/exit common routine
ARM: kirkwood: cpuidle: use init/exit common routine
ARM: calxeda: cpuidle: use init/exit common routine
ARM: tegra: cpuidle: use init/exit common routine for tegra3
ARM: tegra: cpuidle: use init/exit common routine for tegra2
ARM: OMAP4: cpuidle: use init/exit common routine
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull SMP/hotplug changes from Ingo Molnar:
"This is a pretty large, multi-arch series unifying and generalizing
the various disjunct pieces of idle routines that architectures have
historically copied from each other and have grown in random, wildly
inconsistent and sometimes buggy directions:
101 files changed, 455 insertions(+), 1328 deletions(-)
this went through a number of review and test iterations before it was
committed, it was tested on various architectures, was exposed to
linux-next for quite some time - nevertheless it might cause problems
on architectures that don't read the mailing lists and don't regularly
test linux-next.
This cat herding excercise was motivated by the -rt kernel, and was
brought to you by Thomas "the Whip" Gleixner."
* 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (40 commits)
idle: Remove GENERIC_IDLE_LOOP config switch
um: Use generic idle loop
ia64: Make sure interrupts enabled when we "safe_halt()"
sparc: Use generic idle loop
idle: Remove unused ARCH_HAS_DEFAULT_IDLE
bfin: Fix typo in arch_cpu_idle()
xtensa: Use generic idle loop
x86: Use generic idle loop
unicore: Use generic idle loop
tile: Use generic idle loop
tile: Enter idle with preemption disabled
sh: Use generic idle loop
score: Use generic idle loop
s390: Use generic idle loop
powerpc: Use generic idle loop
parisc: Use generic idle loop
openrisc: Use generic idle loop
mn10300: Use generic idle loop
mips: Use generic idle loop
microblaze: Use generic idle loop
...
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Merge second batch of fixes from Andrew Morton:
- various misc bits
- some printk updates
- a new "SRAM" driver.
- MAINTAINERS updates
- the backlight driver queue
- checkpatch updates
- a few init/ changes
- a huge number of drivers/rtc changes
- fatfs updates
- some lib/idr.c work
- some renaming of the random driver interfaces
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (285 commits)
net: rename random32 to prandom
net/core: remove duplicate statements by do-while loop
net/core: rename random32() to prandom_u32()
net/netfilter: rename random32() to prandom_u32()
net/sched: rename random32() to prandom_u32()
net/sunrpc: rename random32() to prandom_u32()
scsi: rename random32() to prandom_u32()
lguest: rename random32() to prandom_u32()
uwb: rename random32() to prandom_u32()
video/uvesafb: rename random32() to prandom_u32()
mmc: rename random32() to prandom_u32()
drbd: rename random32() to prandom_u32()
kernel/: rename random32() to prandom_u32()
mm/: rename random32() to prandom_u32()
lib/: rename random32() to prandom_u32()
x86: rename random32() to prandom_u32()
x86: pageattr-test: remove srandom32 call
uuid: use prandom_bytes()
raid6test: use prandom_bytes()
sctp: convert sctp_assoc_set_id() to use idr_alloc_cyclic()
...
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The early console implementations are the same all over the place. Move
the print function to kernel/printk and get rid of the copies.
[akpm@linux-foundation.org: arch/mips/kernel/early_printk.c needs kernel.h for va_list]
[paul.gortmaker@windriver.com: sh4: make the bios early console support depend on EARLY_PRINTK]
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: Russell King <linux@arm.linux.org.uk>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: Richard Weinberger <richard@nod.at>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
Tested-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge first batch of fixes from Andrew Morton:
- A couple of kthread changes
- A few minor audit patches
- A number of fbdev patches. Florian remains AWOL so I'm picking up
some of these.
- A few kbuild things
- ocfs2 updates
- Almost all of the MM queue
(And in the meantime, I already have the second big batch from Andrew
pending in my mailbox ;^)
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (149 commits)
memcg: take reference before releasing rcu_read_lock
mem hotunplug: fix kfree() of bootmem memory
mmKconfig: add an option to disable bounce
mm, nobootmem: do memset() after memblock_reserve()
mm, nobootmem: clean-up of free_low_memory_core_early()
fs/buffer.c: remove unnecessary init operation after allocating buffer_head.
numa, cpu hotplug: change links of CPU and node when changing node number by onlining CPU
mm: fix memory_hotplug.c printk format warning
mm: swap: mark swap pages writeback before queueing for direct IO
swap: redirty page if page write fails on swap file
mm, memcg: give exiting processes access to memory reserves
thp: fix huge zero page logic for page with pfn == 0
memcg: avoid accessing memcg after releasing reference
fs: fix fsync() error reporting
memblock: fix missing comment of memblock_insert_region()
mm: Remove unused parameter of pages_correctly_reserved()
firmware, memmap: fix firmware_map_entry leak
mm/vmstat: add note on safety of drain_zonestat
mm: thp: add split tail pages to shrink page list in page reclaim
mm: allow for outstanding swap writeback accounting
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"A fairly quiet release for SPI, mainly driver work. A few highlights:
- Supports bits per word compatibility checking in the core.
- Allow use of the IP used in Freescale SPI controllers outside
Freescale SoCs.
- DMA support for the Atmel SPI driver.
- New drivers for the BCM2835 and Tegra114"
* tag 'spi-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (68 commits)
spi-topcliff-pch: fix to use list_for_each_entry_safe() when delete list items
spi-topcliff-pch: missing platform_driver_unregister() on error in pch_spi_init()
ARM: dts: add pinctrl property for spi node for atmel SoC
ARM: dts: add spi nodes for the atmel boards
ARM: dts: add spi nodes for atmel SoC
ARM: at91: add clocks for spi dt entries
spi/spi-atmel: add dmaengine support
spi/spi-atmel: add flag to controller data for lock operations
spi/spi-atmel: add physical base address
spi/sirf: fix MODULE_DEVICE_TABLE
MAINTAINERS: Add git repository and update my address
spi/s3c64xx: Check for errors in dmaengine prepare_transfer()
spi/s3c64xx: Fix non-dmaengine usage
spi: omap2-mcspi: fix error return code in omap2_mcspi_probe()
spi/s3c64xx: let device core setup the default pin configuration
MAINTAINERS: Update Grant's email address and maintainership
spi: omap2-mcspi: Fix transfers if DMADEVICES is not set
spi: s3c64xx: move to generic dmaengine API
spi-gpio: init CS before spi_bitbang_setup()
spi: spi-mpc512x-psc: let transmiter/receiver enabled when in xfer loop
...
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Commit abf09bed3cce ("s390/mm: implement software dirty bits")
introduced another difference in the pte layout vs. the pmd layout on
s390, thoroughly breaking the s390 support for hugetlbfs. This requires
replacing some more pte_xxx functions in mm/hugetlbfs.c with a
huge_pte_xxx version.
This patch introduces those huge_pte_xxx functions and their generic
implementation in asm-generic/hugetlb.h, which will now be included on
all architectures supporting hugetlbfs apart from s390. This change
will be a no-op for those architectures.
[akpm@linux-foundation.org: fix warning]
Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Hugh Dickins <hughd@google.com>
Cc: Hillf Danton <dhillf@gmail.com>
Acked-by: Michal Hocko <mhocko@suse.cz> [for !s390 parts]
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use helper function free_highmem_page() to free highmem pages into
the buddy system.
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: David Daney <david.daney@cavium.com>
Cc: Cong Wang <amwang@redhat.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use common help functions to free reserved pages.
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Split kcore bits from linux/procfs.h into linux/kcore.h.
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
cc: linux-mips@linux-mips.org
cc: sparclinux@vger.kernel.org
cc: x86@kernel.org
cc: linux-mm@kvack.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Don't use create_proc_read_entry() as that is deprecated, but rather use
proc_create_data() and seq_file instead.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Ralf Baechle <ralf@linux-mips.org>
cc: linux-mips@linux-mips.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB patches from Greg Kroah-Hartman:
"Here's the big USB pull request for 3.10-rc1.
Lots of USB patches here, the majority being USB gadget changes and
USB-serial driver cleanups, the rest being ARM build fixes / cleanups,
and individual driver updates. We also finally got some chipidea
fixes, which have been delayed for a number of kernel releases, as the
maintainer has now reappeared.
All of these have been in linux-next for a while"
* tag 'usb-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (568 commits)
USB: ehci-msm: USB_MSM_OTG needs USB_PHY
USB: OHCI: avoid conflicting platform drivers
USB: OMAP: ISP1301 needs USB_PHY
USB: lpc32xx: ISP1301 needs USB_PHY
USB: ftdi_sio: enable two UART ports on ST Microconnect Lite
usb: phy: tegra: don't call into tegra-ehci directly
usb: phy: phy core cannot yet be a module
USB: Fix initconst in ehci driver
usb-storage: CY7C68300A chips do not support Cypress ATACB
USB: serial: option: Added support Olivetti Olicard 145
USB: ftdi_sio: correct ST Micro Connect Lite PIDs
ARM: mxs_defconfig: add CONFIG_USB_PHY
ARM: imx_v6_v7_defconfig: add CONFIG_USB_PHY
usb: phy: remove exported function from __init section
usb: gadget: zero: put function instances on unbind
usb: gadget: f_sourcesink.c: correct a copy-paste misnomer
usb: gadget: cdc2: fix error return code in cdc_do_config()
usb: gadget: multi: fix error return code in rndis_do_config()
usb: gadget: f_obex: fix error return code in obex_bind()
USB: storage: convert to use module_usb_driver()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
"PCI changes for the v3.10 merge window:
PCI device hotplug
- Remove ACPI PCI subdrivers (Jiang Liu, Myron Stowe)
- Make acpiphp builtin only, not modular (Jiang Liu)
- Add acpiphp mutual exclusion (Jiang Liu)
Power management
- Skip "PME enabled/disabled" messages when not supported (Rafael
Wysocki)
- Fix fallback to PCI_D0 (Rafael Wysocki)
Miscellaneous
- Factor quirk_io_region (Yinghai Lu)
- Cache MSI capability offsets & cleanup (Gavin Shan, Bjorn Helgaas)
- Clean up EISA resource initialization and logging (Bjorn Helgaas)
- Fix prototype warnings (Andy Shevchenko, Bjorn Helgaas)
- MIPS: Initialize of_node before scanning bus (Gabor Juhos)
- Fix pcibios_get_phb_of_node() declaration "weak" annotation (Gabor
Juhos)
- Add MSI INTX_DISABLE quirks for AR8161/AR8162/etc (Xiong Huang)
- Fix aer_inject return values (Prarit Bhargava)
- Remove PME/ACPI dependency (Andrew Murray)
- Use shared PCI_BUS_NUM() and PCI_DEVID() (Shuah Khan)"
* tag 'pci-v3.10-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (63 commits)
vfio-pci: Use cached MSI/MSI-X capabilities
vfio-pci: Use PCI_MSIX_TABLE_BIR, not PCI_MSIX_FLAGS_BIRMASK
PCI: Remove "extern" from function declarations
PCI: Use PCI_MSIX_TABLE_BIR, not PCI_MSIX_FLAGS_BIRMASK
PCI: Drop msi_mask_reg() and remove drivers/pci/msi.h
PCI: Use msix_table_size() directly, drop multi_msix_capable()
PCI: Drop msix_table_offset_reg() and msix_pba_offset_reg() macros
PCI: Drop is_64bit_address() and is_mask_bit_support() macros
PCI: Drop msi_data_reg() macro
PCI: Drop msi_lower_address_reg() and msi_upper_address_reg() macros
PCI: Drop msi_control_reg() macro and use PCI_MSI_FLAGS directly
PCI: Use cached MSI/MSI-X offsets from dev, not from msi_desc
PCI: Clean up MSI/MSI-X capability #defines
PCI: Use cached MSI-X cap while enabling MSI-X
PCI: Use cached MSI cap while enabling MSI interrupts
PCI: Remove MSI/MSI-X cap check in pci_msi_check_device()
PCI: Cache MSI/MSI-X capability offsets in struct pci_dev
PCI: Use u8, not int, for PM capability offset
[SCSI] megaraid_sas: Use correct #define for MSI-X capability
PCI: Remove "extern" from function declarations
...
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* pm-cpufreq: (57 commits)
cpufreq: MAINTAINERS: Add co-maintainer
cpufreq: pxa2xx: initialize variables
ARM: S5pv210: compiling issue, ARM_S5PV210_CPUFREQ needs CONFIG_CPU_FREQ_TABLE=y
cpufreq: cpu0: Put cpu parent node after using it
cpufreq: ARM big LITTLE: Adapt to latest cpufreq updates
cpufreq: ARM big LITTLE: put DT nodes after using them
cpufreq: Don't call __cpufreq_governor() for drivers without target()
cpufreq: exynos5440: Protect OPP search calls with RCU lock
cpufreq: dbx500: Round to closest available freq
cpufreq: Call __cpufreq_governor() with correct policy->cpus mask
cpufreq / intel_pstate: Optimize intel_pstate_set_policy
cpufreq: OMAP: instantiate omap-cpufreq as a platform_driver
arm: exynos: Enable OPP library support for exynos5440
cpufreq: exynos: Remove error return even if no soc is found
cpufreq: exynos: Add cpufreq driver for exynos5440
cpufreq: AMD "frequency sensitivity feedback" powersave bias for ondemand governor
cpufreq: ondemand: allow custom powersave_bias_target handler to be registered
cpufreq: convert cpufreq_driver to using RCU
cpufreq: powerpc/platforms/cell: move cpufreq driver to drivers/cpufreq
cpufreq: sparc: move cpufreq driver to drivers/cpufreq
...
Conflicts:
MAINTAINERS (with commit a8e39c3 from pm-cpuidle)
drivers/cpufreq/cpufreq_governor.h (with commit beb0ff3)
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We were doing:
SRL $r,$?,16
ANDI $r,$r,0xffff
The logical right shift by 16 leaves the upper 16 bits clear, so the
subsequent masking out of those bits is redundant, and can safely be
removed.
Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This reverts commit c17a6554782ad531f4713b33fd6339ba67ef6391.
Manuel Lauss writes:
lmo commit c17a6554 (MIPS: page.h: Provide more readable definition for
PAGE_MASK) apparently breaks ioremap of 36-bit addresses on my Alchemy
systems (PCI and PCMCIA) The reason is that in arch/mips/mm/ioremap.c
line 157 (phys_addr &= PAGE_MASK) bits 32-35 are cut off. Seems the
new PAGE_MASK is explicitly 32bit, or one could make it signed instead
of unsigned long.
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All archs are converted over. Remove the config switch and the
fallback code.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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GENERIC_GPIO has been made equivalent to GPIOLIB in architecture code
and all driver code has been switch to depend on GPIOLIB. It is thus
safe to have GENERIC_GPIO removed.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
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7837314d141c661c70bc13c5050694413ecfe14a [MIPS: Get rid of branches to
.subsections] removed most uses of .subsection] removed most uses of
.subsection in inline assembler code.
It left the instances in spinlock.h alone because we knew their use was
in fairly small files where .subsection use was fine but of course this
was a fragile assumption. LTO breaks this assumption resulting in build
errors due to exceeded branch range, so remove further instances of
.subsection.
The two functions that still use .macro don't currently cause issues
however this use is still fragile.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Without, the LTO compiler will complain:
[...]
LD init/built-in.o
LDFINAL vmlinux.o
arch/mips/sgi-ip27/ip27-irq.c:379:22: warning: type of ‘rt_timer_irq’ does not match original declaration [enabled by default]
extern unsigned int rt_timer_irq;
^
arch/mips/sgi-ip27/ip27-timer.c:72:5: note: previously declared here
int rt_timer_irq;
^
MODPOST vmlinux.o
[...]
And without LTO, it's still good stile to things match.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
|
|
Without this, it's possible that LTO will discard the calls to
set_except_vector() in the probe for the DADDI overflow bug resulting in a
kernel crash like this:
[...]
Mount-cache hash table entries: 256
Checking for the daddi bug... Integer overflow[#1]:
Cpu 0
$ 0 : 0000000000000000 0000000010008ce1 0000000000000001 0000000000000000
$ 4 : 7fffffffffffedcd ffffffff81410000 0000000000000030 000000000000003f
[...]
There are other similar places in the kernel so we've just been lucky
that GCC's been tolerant.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
|
|
It fails with LTO and probably has always been a fragile.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
|
|
tlbmiss_handler_setup_pgd is run-time generated code and it was convenient
to pretend the symbol was an array in the generator but a function for
the users. LTO gcc won't tolerate this kind of lie anymore so solve the
problem through a cast and function pointer instead.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
|
|
The code was written as it is because it's more expressive, a bit easier.
But it's always been dirty, if not a bug. But we can't cheat with LTO
compilers, so this results in:
[...]
LDFINAL vmlinux.o
In file included from arch/mips/kernel/topology.c:604:0,
from arch/mips/kernel/time.c:212,
from arch/mips/kernel/syscall.c:300,
from arch/mips/kernel/signal.c:853,
from arch/mips/kernel/setup.c:1030,
from arch/mips/kernel/reset.c:354,
from arch/mips/kernel/ptrace.c:562,
from arch/mips/kernel/process.c:770,
from arch/mips/kernel/irq.c:350,
from arch/mips/kernel/branch.c:321,
from arch/mips/kernel/cpu-probe.c:1370,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/thread_info.h:345,
from arch/mips/sgi-ip22/ip22-gio.c:660,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/sgialib.h:219,
from arch/mips/sgi-ip22/ip22-reset.c:224,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/paccess.h:116,
from arch/mips/sgi-ip22/ip22-nvram.c:334,
from include/linux/kernel_stat.h:79,
from arch/mips/sgi-ip22/ip22-int.c:592,
from arch/mips/sgi-ip22/ip22-hpc.c:470,
from arch/mips/sgi-ip22/ip22-mc.c:135,
from init/init_task.c:54,
from init/calibrate.c:744,
from init/noinitramfs.c:62,
from init/do_mounts.c:573,
from init/version.c:1009,
from init/main.c:777,
from :729:
arch/mips/kernel/traps.c:63:49: error: variable ‘handle_tlbl’ redeclared as function
In file included from arch/mips/mm/page.c:310:0,
from arch/mips/mm/mmap.c:208,
from arch/mips/mm/init.c:641,
from arch/mips/mm/gup.c:811,
from arch/mips/mm/fault.c:659,
from include/linux/module.h:682,
from arch/mips/mm/dma-default.c:161,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/thread_info.h:397,
from arch/mips/kernel/i8253.c:538,
from arch/mips/kernel/proc.c:145,
from arch/mips/kernel/irq_cpu.c:129,
from arch/mips/kernel/i8259.c:229,
from include/uapi/linux/elf.h:251,
from arch/mips/kernel/mips_ksyms.c:129,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/time.h:50,
from arch/mips/kernel/cevt-r4k.c:90,
from arch/mips/kernel/vdso.c:136,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/thread_info.h:351,
from arch/mips/kernel/unaligned.c:809,
from arch/mips/kernel/traps.c:1720,
from arch/mips/kernel/topology.c:684,
from arch/mips/kernel/time.c:212,
from arch/mips/kernel/syscall.c:300,
from arch/mips/kernel/signal.c:853,
from arch/mips/kernel/setup.c:1030,
from arch/mips/kernel/reset.c:354,
from arch/mips/kernel/ptrace.c:562,
from arch/mips/kernel/process.c:770,
from arch/mips/kernel/irq.c:350,
from arch/mips/kernel/branch.c:321,
from arch/mips/kernel/cpu-probe.c:1370,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/thread_info.h:345,
from arch/mips/sgi-ip22/ip22-gio.c:660,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/sgialib.h:219,
from arch/mips/sgi-ip22/ip22-reset.c:224,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/paccess.h:116,
from arch/mips/sgi-ip22/ip22-nvram.c:334,
from include/linux/kernel_stat.h:79,
from arch/mips/sgi-ip22/ip22-int.c:592,
from arch/mips/sgi-ip22/ip22-hpc.c:470,
from arch/mips/sgi-ip22/ip22-mc.c:135,
from init/init_task.c:54,
from init/calibrate.c:744,
from init/noinitramfs.c:62,
from init/do_mounts.c:573,
from init/version.c:1009,
from init/main.c:777,
from :729:
arch/mips/mm/tlbex.c:1448:5: note: previously declared here
In file included from arch/mips/kernel/topology.c:604:0,
from arch/mips/kernel/time.c:212,
from arch/mips/kernel/syscall.c:300,
from arch/mips/kernel/signal.c:853,
from arch/mips/kernel/setup.c:1030,
from arch/mips/kernel/reset.c:354,
from arch/mips/kernel/ptrace.c:562,
from arch/mips/kernel/process.c:770,
from arch/mips/kernel/irq.c:350,
from arch/mips/kernel/branch.c:321,
from arch/mips/kernel/cpu-probe.c:1370,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/thread_info.h:345,
from arch/mips/sgi-ip22/ip22-gio.c:660,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/sgialib.h:219,
from arch/mips/sgi-ip22/ip22-reset.c:224,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/paccess.h:116,
from arch/mips/sgi-ip22/ip22-nvram.c:334,
from include/linux/kernel_stat.h:79,
from arch/mips/sgi-ip22/ip22-int.c:592,
from arch/mips/sgi-ip22/ip22-hpc.c:470,
from arch/mips/sgi-ip22/ip22-mc.c:135,
from init/init_task.c:54,
from init/calibrate.c:744,
from init/noinitramfs.c:62,
from init/do_mounts.c:573,
from init/version.c:1009,
from init/main.c:777,
from :729:
arch/mips/kernel/traps.c:62:49: error: variable ‘handle_tlbm’ redeclared as function
In file included from arch/mips/mm/page.c:310:0,
from arch/mips/mm/mmap.c:208,
from arch/mips/mm/init.c:641,
from arch/mips/mm/gup.c:811,
from arch/mips/mm/fault.c:659,
from include/linux/module.h:682,
from arch/mips/mm/dma-default.c:161,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/thread_info.h:397,
from arch/mips/kernel/i8253.c:538,
from arch/mips/kernel/proc.c:145,
from arch/mips/kernel/irq_cpu.c:129,
from arch/mips/kernel/i8259.c:229,
from include/uapi/linux/elf.h:251,
from arch/mips/kernel/mips_ksyms.c:129,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/time.h:50,
from arch/mips/kernel/cevt-r4k.c:90,
from arch/mips/kernel/vdso.c:136,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/thread_info.h:351,
from arch/mips/kernel/unaligned.c:809,
from arch/mips/kernel/traps.c:1720,
from arch/mips/kernel/topology.c:684,
from arch/mips/kernel/time.c:212,
from arch/mips/kernel/syscall.c:300,
from arch/mips/kernel/signal.c:853,
from arch/mips/kernel/setup.c:1030,
from arch/mips/kernel/reset.c:354,
from arch/mips/kernel/ptrace.c:562,
from arch/mips/kernel/process.c:770,
from arch/mips/kernel/irq.c:350,
from arch/mips/kernel/branch.c:321,
from arch/mips/kernel/cpu-probe.c:1370,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/thread_info.h:345,
from arch/mips/sgi-ip22/ip22-gio.c:660,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/sgialib.h:219,
from arch/mips/sgi-ip22/ip22-reset.c:224,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/paccess.h:116,
from arch/mips/sgi-ip22/ip22-nvram.c:334,
from include/linux/kernel_stat.h:79,
from arch/mips/sgi-ip22/ip22-int.c:592,
from arch/mips/sgi-ip22/ip22-hpc.c:470,
from arch/mips/sgi-ip22/ip22-mc.c:135,
from init/init_task.c:54,
from init/calibrate.c:744,
from init/noinitramfs.c:62,
from init/do_mounts.c:573,
from init/version.c:1009,
from init/main.c:777,
from :729:
arch/mips/mm/tlbex.c:1450:5: note: previously declared here
In file included from arch/mips/kernel/topology.c:604:0,
from arch/mips/kernel/time.c:212,
from arch/mips/kernel/syscall.c:300,
from arch/mips/kernel/signal.c:853,
from arch/mips/kernel/setup.c:1030,
from arch/mips/kernel/reset.c:354,
from arch/mips/kernel/ptrace.c:562,
from arch/mips/kernel/process.c:770,
from arch/mips/kernel/irq.c:350,
from arch/mips/kernel/branch.c:321,
from arch/mips/kernel/cpu-probe.c:1370,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/thread_info.h:345,
from arch/mips/sgi-ip22/ip22-gio.c:660,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/sgialib.h:219,
from arch/mips/sgi-ip22/ip22-reset.c:224,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/paccess.h:116,
from arch/mips/sgi-ip22/ip22-nvram.c:334,
from include/linux/kernel_stat.h:79,
from arch/mips/sgi-ip22/ip22-int.c:592,
from arch/mips/sgi-ip22/ip22-hpc.c:470,
from arch/mips/sgi-ip22/ip22-mc.c:135,
from init/init_task.c:54,
from init/calibrate.c:744,
from init/noinitramfs.c:62,
from init/do_mounts.c:573,
from init/version.c:1009,
from init/main.c:777,
from :729:
arch/mips/kernel/traps.c:64:49: error: variable ‘handle_tlbs’ redeclared as function
In file included from arch/mips/mm/page.c:310:0,
from arch/mips/mm/mmap.c:208,
from arch/mips/mm/init.c:641,
from arch/mips/mm/gup.c:811,
from arch/mips/mm/fault.c:659,
from include/linux/module.h:682,
from arch/mips/mm/dma-default.c:161,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/thread_info.h:397,
from arch/mips/kernel/i8253.c:538,
from arch/mips/kernel/proc.c:145,
from arch/mips/kernel/irq_cpu.c:129,
from arch/mips/kernel/i8259.c:229,
from include/uapi/linux/elf.h:251,
from arch/mips/kernel/mips_ksyms.c:129,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/time.h:50,
from arch/mips/kernel/cevt-r4k.c:90,
from arch/mips/kernel/vdso.c:136,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/thread_info.h:351,
from arch/mips/kernel/unaligned.c:809,
from arch/mips/kernel/traps.c:1720,
from arch/mips/kernel/topology.c:684,
from arch/mips/kernel/time.c:212,
from arch/mips/kernel/syscall.c:300,
from arch/mips/kernel/signal.c:853,
from arch/mips/kernel/setup.c:1030,
from arch/mips/kernel/reset.c:354,
from arch/mips/kernel/ptrace.c:562,
from arch/mips/kernel/process.c:770,
from arch/mips/kernel/irq.c:350,
from arch/mips/kernel/branch.c:321,
from arch/mips/kernel/cpu-probe.c:1370,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/thread_info.h:345,
from arch/mips/sgi-ip22/ip22-gio.c:660,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/sgialib.h:219,
from arch/mips/sgi-ip22/ip22-reset.c:224,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/paccess.h:116,
from arch/mips/sgi-ip22/ip22-nvram.c:334,
from include/linux/kernel_stat.h:79,
from arch/mips/sgi-ip22/ip22-int.c:592,
from arch/mips/sgi-ip22/ip22-hpc.c:470,
from arch/mips/sgi-ip22/ip22-mc.c:135,
from init/init_task.c:54,
from init/calibrate.c:744,
from init/noinitramfs.c:62,
from init/do_mounts.c:573,
from init/version.c:1009,
from init/main.c:777,
from :729:
arch/mips/mm/tlbex.c:1449:5: note: previously declared here
lto1: fatal error: errors during merging of translation units
compilation terminated.
lto-wrapper: /usr/bin/mips-linux-gcc returned 1 exit status
/usr/lib64/gcc/mips-linux/4.7.1/../../../../mips-linux/bin/ld: lto-wrapper failed
collect2: error: ld returned 1 exit status
make: *** [vmlinux] Error 1
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
|
|
With LTE this fixes this issue:
LDFINAL vmlinux.o
arch/mips/built-in.o (symbol from plugin): In function `sgimc_init':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
kernel/built-in.o (symbol from plugin): In function `get_task_mm':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
mm/built-in.o (symbol from plugin): In function `iov_iter_single_seg_count':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
fs/built-in.o (symbol from plugin): In function `finish_no_open':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
ipc/built-in.o (symbol from plugin): In function `ipc_init_ids':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
security/built-in.o (symbol from plugin): In function `key_schedule_gc':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
crypto/built-in.o (symbol from plugin): In function `crypto_find_alg':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
block/built-in.o (symbol from plugin): In function `elv_rb_find':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
argv_split.o (symbol from plugin): In function `argv_free':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
dec_and_lock.o (symbol from plugin): In function `_atomic_dec_and_lock':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
extable.o (symbol from plugin): In function `sort_extable':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
flex_proportions.o (symbol from plugin): In function `fprop_global_init':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
idr.o (symbol from plugin): In function `idr_for_each':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
is_single_threaded.o (symbol from plugin): In function `current_is_single_threaded':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
kobject.o (symbol from plugin): In function `kobject_get':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
kobject_uevent.o (symbol from plugin): In function `add_uevent_var':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
plist.o (symbol from plugin): In function `plist_add':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
radix-tree.o (symbol from plugin): In function `radix_tree_lookup_slot':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
ratelimit.o (symbol from plugin): In function `___ratelimit':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
rwsem-spinlock.o (symbol from plugin): In function `__init_rwsem':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
show_mem.o (symbol from plugin): In function `show_mem':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
timerqueue.o (symbol from plugin): In function `timerqueue_iterate_next':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
vsprintf.o (symbol from plugin): In function `simple_strtoull':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
delay.o (symbol from plugin): In function `__delay':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
mips-atomic.o (symbol from plugin): In function `arch_local_irq_disable':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
uncached.o (symbol from plugin): In function `run_uncached':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
lib/built-in.o (symbol from plugin): In function `_bcd2bin':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
arch/mips/lib/built-in.o (symbol from plugin): In function `ioread8':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
drivers/built-in.o (symbol from plugin): In function `fb_notifier_call_chain':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
net/built-in.o (symbol from plugin): In function `sock_from_file':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
klist.o (symbol from plugin): In function `klist_init':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
It also makes the code a little more readable, so let's merge it.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
|
|
The of_node field of the device assigned to a
PCI bus is used during scanning of the PCI bus.
However on MIPS, the of_node field is assigned
only after the bus has been scanned.
Implement the architecture specific version of
'pcibios_get_phb_of_node'. Which ensures that the
PCI driver core will initialize the of_node field
before starting the scan.
Also remove the local assignment of bus->dev.of_node,
it is not needed after the patch.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
|
|
This patch moves cpufreq driver of MIPS architecture to drivers/cpufreq.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
|
|
Just like the OHCI counter part we just can remove the architecture
specific symbols which prevent these configuration symbols from being
selected by platforms/architectures requiring it. The original
implementation did not scale at all since it required each and every
single architecture to be added for these configuration symbols to be
selected. Now it is up to the EHCI driver and/or platform to select
these configuration symbols accordingly.
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
|
The only part of proc_dir_entry the code outside of fs/proc
really cares about is PDE(inode)->data. Provide a helper
for that; static inline for now, eventually will be moved
to fs/proc, along with the knowledge of struct proc_dir_entry
layout.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
|
|
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Paul McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Reviewed-by: Cc: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Link: http://lkml.kernel.org/r/20130321215234.754954871@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
|
|
With the addition of transparent huge pages, pgtable.h uses struct page.
However, it is possible to include pgtable.h without anything defining
struct page. So add the include to get it.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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speed_hz is a write only member, so we can safely remove it and its
generation. Also fixes the missing clk_put after getting the periph
clock.
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Conflicts:
drivers/nfc/microread/mei.c
net/netfilter/nfnetlink_queue_core.c
Pull in 'net' to get Eric Biederman's AF_UNIX fix, upon which
some cleanups are going to go on-top.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull MIPS fixes from Ralf Baechle:
"Fixes for a number of small glitches in various corners of the MIPS
tree. No particular areas is standing out.
With this applied all MIPS defconfigs are building fine. No merge
conflicts are expected."
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
MIPS: Delete definition of SA_RESTORER.
MIPS: Fix ISA level which causes secondary cache init bypassing and more
MIPS: Fix build error cavium-octeon without CONFIG_SMP
MIPS: Kconfig: Rename SNIPROM too
MIPS: Alchemy: Fix typo "CONFIG_DEBUG_PCI"
MIPS: Unbreak function tracer for 64-bit kernel.
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SA_RESTORER used to be defined as 0x04000000 but only the O32 ABI ever
supported its use and no libc was using it, so the entire sa-restorer
functionality was removed with lmo commit 39bffc12c3580ab [Zap sa_restorer.]
for 2.5.48 retaining only the SA_RESTORER definition as a reminder to avoid
accidental reuse of the mask bit.
Upstream cdef9602fbf1871a43f0f1b5cea10dd0f275167d [signal: always clear
sa_restorer on execve] adds code that assumes sa_sigaction has an
sa_restorer field, if SA_RESTORER is defined which would break MIPS.
So remove the SA_RESTORER definition before the v3.8.4 merge.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
(cherry picked from commit 17da8d63add23830892ac4dc2cbb3b5d4ffb79a8)
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The commit a96102be70 introduced set_isa() where compatible ISA info is
also set aside from the one gets passed in. It means, for example, 1004K
will have MIPS_CPU_ISA_M32R2/M32R1/II/I flags. This leads to things like
the following inappropriate:
if (c->isa_level == MIPS_CPU_ISA_M32R1 ||
c->isa_level == MIPS_CPU_ISA_M32R2 ||
c->isa_level == MIPS_CPU_ISA_M64R1 ||
c->isa_level == MIPS_CPU_ISA_M64R2)
This patch fixes it.
Signed-off-by: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com>
Cc: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: linux-mips@linux-mips.org
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Singed-off-by: EunBong Song <eunb.song@samsung.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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CONFIG_SNIPROM was renamed to CONFIG_FW_SNIPROM in v3.8. Let's rename
SNIPROM itself too.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Cc: linux-mips@linux-mips.org;
Cc: linux-kernel@vger.kernel.org
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Commit 7517de348663b08a808aff44b5300e817157a568 ("MIPS: Alchemy: Redo
PCI as platform driver") added a reference to CONFIG_DEBUG_PCI. Change
it to CONFIG_PCI_DEBUG, as that is a valid Kconfig macro.
Also add a newline to a debugging printk that this fix enables.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Commit 58b69401c797 [MIPS: Function tracer: Fix broken function tracing]
completely broke the function tracer for 64-bit kernels. The symptom is
a system hang very early in the boot process.
The fix: Remove/fix $sp adjustments for 64-bit case.
Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Cc: Al Cooper <alcooperx@gmail.com>
Cc: viric@viric.name
Cc: stable@vger.kernel.org # 3.8.x
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Pull net into net-next to get the synchronize_net() bug fix in
bonding.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull MIPS fixes from Ralf Baechle:
"A collection of fixes pretty much across the MIPS code. Even the
change to include/linux/signal.h by David Howells' 2a1486981c13 ("Fix
breakage in MIPS siginfo handling") should be considered MIPS-specific
as it touches an ifdefed segment that is only relevant to MIPS and
which unfortunately can't be made to go away entirely."
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
Fix breakage in MIPS siginfo handling
Revert "MIPS: BCM63XX: Call board_register_device from device_initcall()"
MIPS: BCM63XX: Make nvram checksum failure non fatal
MIPS: Fix code generation for non-DSP capable CPUs
MIPS: Fix inconsistent formatting inside /proc/cpuinfo
MIPS: SEAD3: Enable LL/SC.
MIPS: Get rid of CONFIG_CPU_HAS_LLSC again
MIPS: Add dependencies for HAVE_ARCH_TRANSPARENT_HUGEPAGE
MIPS: VR4133: Fix probe for LL/SC.
MIPS: Fix logic errors in bitops.c
MIPS: Use CONFIG_CPU_MIPSR2 in csum_partial.S
MIPS: compat: Return same error ENOSYS as native for invalid operation.
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cpufreq layer doesn't call cpufreq driver's callback for any offline
CPU and so checking that isn't useful.
Lets get rid of it.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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policy->cpus contains all online cpus that have single shared clock line. And
their frequencies are always updated together.
Many SMP system's cpufreq drivers take care of this in individual drivers but
the best place for this code is in cpufreq core.
This patch modifies cpufreq_notify_transition() to notify frequency change for
all cpus in policy->cpus and hence updates all users of this API.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Currently, when a socket receives something on the error queue it only wakes up
the socket on select if it is in the "read" list, that is the socket has
something to read. It is useful also to wake the socket if it is in the error
list, which would enable software to wait on error queue packets without waking
up for regular data on the socket. The main use case is for receiving
timestamped transmit packets which return the timestamp to the socket via the
error queue. This enables an application to select on the socket for the error
queue only instead of for the regular traffic.
-v2-
* Added the SO_SELECT_ERR_QUEUE socket option to every architechture specific file
* Modified every socket poll function that checks error queue
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Cc: Jeffrey Kirsher <jeffrey.t.kirsher@intel.com>
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Matthew Vick <matthew.vick@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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pnx833x does not seem to use the generic gpio API.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
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GENERIC_GPIO was selected next to ARCH_REQUIRE_GPIOLIB, which itself
selects GENERIC_GPIO.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
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Require gpiolib instead of just GENERIC_GPIO.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
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The GPIO driver for txx9 requires gpiolib, so this is more accurate and
let us get rid of one mention of GENERIC_GPIO which is due to disappear.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
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