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* akpm:
kernel/smp.c: consolidate writes in smp_call_function_interrupt()
kernel/smp.c: fix smp_call_function_many() SMP race
memcg: correctly order reading PCG_USED and pc->mem_cgroup
backlight: fix 88pm860x_bl macro collision
drivers/leds/ledtrig-gpio.c: make output match input, tighten input checking
MAINTAINERS: update Atmel AT91 entry
mm: fix truncate_setsize() comment
memcg: fix rmdir, force_empty with THP
memcg: fix LRU accounting with THP
memcg: fix USED bit handling at uncharge in THP
memcg: modify accounting function for supporting THP better
fs/direct-io.c: don't try to allocate more than BIO_MAX_PAGES in a bio
mm: compaction: prevent division-by-zero during user-requested compaction
mm/vmscan.c: remove duplicate include of compaction.h
memblock: fix memblock_is_region_memory()
thp: keep highpte mapped until it is no longer needed
kconfig: rename CONFIG_EMBEDDED to CONFIG_EXPERT
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The meaning of CONFIG_EMBEDDED has long since been obsoleted; the option
is used to configure any non-standard kernel with a much larger scope than
only small devices.
This patch renames the option to CONFIG_EXPERT in init/Kconfig and fixes
references to the option throughout the kernel. A new CONFIG_EMBEDDED
option is added that automatically selects CONFIG_EXPERT when enabled and
can be used in the future to isolate options that should only be
considered for embedded systems (RISC architectures, SLOB, etc).
Calling the option "EXPERT" more accurately represents its intention: only
expert users who understand the impact of the configuration changes they
are making should enable it.
Reviewed-by: Ingo Molnar <mingo@elte.hu>
Acked-by: David Woodhouse <david.woodhouse@intel.com>
Signed-off-by: David Rientjes <rientjes@google.com>
Cc: Greg KH <gregkh@suse.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Robin Holt <holt@sgi.com>
Cc: <linux-arch@vger.kernel.org>
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/gregkh/tty-2.6
* 'tty-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6:
tty: update MAINTAINERS file due to driver movement
tty: move drivers/serial/ to drivers/tty/serial/
tty: move hvc drivers to drivers/tty/hvc/
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git://git.kernel.org/pub/scm/linux/kernel/git/ickle/drm-intel
* 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ickle/drm-intel:
drm/i915/lvds: Add AOpen i915GMm-HFS to the list of false-positive LVDS
agp/intel: Fix device names of i845 and 845G
drm/i915: Disable GPU semaphores on SandyBridge mobile
drm/i915/execbuffer: Clear domains before beginning reloc processing
drm/i915/execbuffer: Reorder relocations to match new object order
drm/i915: Fix error handler to capture the first batch after the seqno
drm/i915: Add a module option to override the use of SSC
drm/i915/panel: The backlight is enabled if the current value is non-zero
drm/i915/debugfs: Correct format after changing type of err object 'size'
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They got mixed up when the switch was converted to a table in 2007.
Signed-off-by: Oswald Buddenhagen <ossi@kde.org>
[ickle: minor changes for 2.6.37+]
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (59 commits)
ACPI / PM: Fix build problems for !CONFIG_ACPI related to NVS rework
ACPI: fix resource check message
ACPI / Battery: Update information on info notification and resume
ACPI: Drop device flag wake_capable
ACPI: Always check if _PRW is present before trying to evaluate it
ACPI / PM: Check status of power resources under mutexes
ACPI / PM: Rename acpi_power_off_device()
ACPI / PM: Drop acpi_power_nocheck
ACPI / PM: Drop acpi_bus_get_power()
Platform / x86: Make fujitsu_laptop use acpi_bus_update_power()
ACPI / Fan: Rework the handling of power resources
ACPI / PM: Register power resource devices as soon as they are needed
ACPI / PM: Register acpi_power_driver early
ACPI / PM: Add function for updating device power state consistently
ACPI / PM: Add function for device power state initialization
ACPI / PM: Introduce __acpi_bus_get_power()
ACPI / PM: Introduce function for refcounting device power resources
ACPI / PM: Add functions for manipulating lists of power resources
ACPI / PM: Prevent acpi_power_get_inferred_state() from making changes
ACPICA: Update version to 20101209
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The serial drivers are really just tty drivers, so move them to
drivers/tty/ to make things a bit neater overall.
This is part of the tty/serial driver movement proceedure as proposed by
Arnd Bergmann and approved by everyone involved a number of months ago.
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Rogier Wolff <R.E.Wolff@bitwizard.nl>
Cc: Michael H. Warfield <mhw@wittsend.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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As requested by Arnd Bergmann, the hvc drivers are now
moved to the drivers/tty/hvc/ directory. The virtio_console.c driver
was also moved, as it required the hvc_console.h file to be able to be
built, and it really is a hvc driver.
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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* 'for-2.6.38/core' of git://git.kernel.dk/linux-2.6-block: (43 commits)
block: ensure that completion error gets properly traced
blktrace: add missing probe argument to block_bio_complete
block cfq: don't use atomic_t for cfq_group
block cfq: don't use atomic_t for cfq_queue
block: trace event block fix unassigned field
block: add internal hd part table references
block: fix accounting bug on cross partition merges
kref: add kref_test_and_get
bio-integrity: mark kintegrityd_wq highpri and CPU intensive
block: make kblockd_workqueue smarter
Revert "sd: implement sd_check_events()"
block: Clean up exit_io_context() source code.
Fix compile warnings due to missing removal of a 'ret' variable
fs/block: type signature of major_to_index(int) to major_to_index(unsigned)
block: convert !IS_ERR(p) && p to !IS_ERR_NOR_NULL(p)
cfq-iosched: don't check cfqg in choose_service_tree()
fs/splice: Pull buf->ops->confirm() from splice_from_pipe actors
cdrom: export cdrom_check_events()
sd: implement sd_check_events()
sr: implement sr_check_events()
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* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (46 commits)
hwrng: via_rng - Fix memory scribbling on some CPUs
crypto: padlock - Move padlock.h into include/crypto
hwrng: via_rng - Fix asm constraints
crypto: n2 - use __devexit not __exit in n2_unregister_algs
crypto: mark crypto workqueues CPU_INTENSIVE
crypto: mv_cesa - dont return PTR_ERR() of wrong pointer
crypto: ripemd - Set module author and update email address
crypto: omap-sham - backlog handling fix
crypto: gf128mul - Remove experimental tag
crypto: af_alg - fix af_alg memory_allocated data type
crypto: aesni-intel - Fixed build with binutils 2.16
crypto: af_alg - Make sure sk_security is initialized on accept()ed sockets
net: Add missing lockdep class names for af_alg
include: Install linux/if_alg.h for user-space crypto API
crypto: omap-aes - checkpatch --file warning fixes
crypto: omap-aes - initialize aes module once per request
crypto: omap-aes - unnecessary code removed
crypto: omap-aes - error handling implementation improved
crypto: omap-aes - redundant locking is removed
crypto: omap-aes - DMA initialization fixes for OMAP off mode
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Cc: Ahmed S. Darwish <darwish.07@gmail.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Marco Stornelli <marco.stornelli@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The newer drivers/gpio/cs5535-gpio.c replaces drivers/misc/cs5535_gpio.c.
The new driver has been in the tree for a little while, and has received
some testing; it's time to mark the old one as deprecated. I'm thinking
removal around 2.6.40 would be good, provided we're not missing critical
functionality in the newer driver.
Signed-off-by: Andres Salomon <dilinger@queued.net>
Cc: Daniel Drake <dsd@laptop.org>
Acked-by: Ben Gardner <bgardner@wabtec.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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KMSG_DUMP_PANIC
This series aims to develop logging facility for enterprise use.
It is important to save kernel messages reliably on enterprise system
because they are helpful for diagnosing system.
This series add kmsg_dump() to the paths loosing kernel messages. The use
case is the following.
[Use case of reboot/poweroff/halt/emergency_restart]
My company has often experienced the followings in our support service.
- Customer's system suddenly reboots.
- Customers ask us to investigate the reason of the reboot.
We recognize the fact itself because boot messages remain in
/var/log/messages. However, we can't investigate the reason why the
system rebooted, because the last messages don't remain. And off course
we can't explain the reason.
We can solve above problem with this patch as follows.
Case1: reboot with command
- We can see "Restarting system with command:" or ""Restarting system.".
Case2: halt with command
- We can see "System halted.".
Case3: poweroff with command
- We can see " Power down.".
Case4: emergency_restart with sysrq.
- We can see "Sysrq:" outputted in __handle_sysrq().
Case5: emergency_restart with softdog.
- We can see "Initiating system reboot" in watchdog_fire().
So, we can distinguish the reason of reboot, poweroff, halt and emergency_restart.
If customer executed reboot command, you may think the customer should
know the fact. However, they often claim they don't execute the command
when they rebooted system by mistake.
No message remains on the current Linux kernel, so we can't show the proof
to the customer. This patch improves this situation.
This patch:
Alters mtdoops and ramoops to perform their actions only for
KMSG_DUMP_PANIC, KMSG_DUMP_OOPS and KMSG_DUMP_KEXEC because they would
like to log crashes only.
Signed-off-by: Seiji Aguchi <seiji.aguchi@hds.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Marco Stornelli <marco.stornelli@gmail.com>
Reviewed-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The new GPE handler callback has 2 additional parameters, gpe_device and
gpe_number.
typedef
u32 (*acpi_gpe_handler) (acpi_handle gpe_device, u32 gpe_number, void *context);
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Previous to the last GTT rework we always rewrote the GTT then unmapped the
object, somehow this got reversed in the rework in 2.6.37-rc5 timeframe.
This fix needs to go to stable in an alternate form since the code changed.
This fixes DMAR reports on my Ironlake HP2540p.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This code was setting up the status page before setting the DMAR-is-on-bit,
so we were getting DMAR errors on the status page. Reverse the two bits
of init code to the correct result.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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ssh://master.kernel.org/pub/scm/linux/kernel/git/ickle/drm-intel
* 'drm-intel-fixes' of ssh://master.kernel.org/pub/scm/linux/kernel/git/ickle/drm-intel: (37 commits)
drm/i915/execbuffer: Reorder binding of objects to favour restrictions
drm/i915: If we hit OOM when allocating GTT pages, clear the aperture
drm/i915/evict: Ensure we completely cleanup on failure
drm/i915/execbuffer: Correctly clear the current object list upon EFAULT
drm/i915/debugfs: Show all objects in the gtt
drm/i915: Record AGP memory type upon error
drm/i915: Periodically flush the active lists and requests
drm/i915/gtt: Unmap the PCI pages after unbinding them from the GTT
drm/i915: Record the error batchbuffer on each ring
drm/i915: Include TLB miss overhead for computing WM
drm/i915: Propagate error from flushing the ring
drm/i915: detect & report PCH display error interrupts
drm/i915: cleanup rc6 code
drm/i915: fix rc6 enabling around suspend/resume
drm/i915: re-enable rc6 support for Ironlake+
drm/i915: Make the ring IMR handling private
drm/i915/ringbuffer: Simplify the ring irq refcounting
drm/i915/debugfs: Show the per-ring IMR
drm/i915: Mask USER interrupts on gen6 (until required)
drm/i915: Handle ringbuffer stalls when flushing
...
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (72 commits)
powerpc/pseries: Fix build of topology stuff without CONFIG_NUMA
powerpc/pseries: Fix VPHN build errors on non-SMP systems
powerpc/83xx: add mpc8308_p1m DMA controller device-tree node
powerpc/83xx: add DMA controller to mpc8308 device-tree node
powerpc/512x: try to free dma descriptors in case of allocation failure
powerpc/512x: add MPC8308 dma support
powerpc/512x: fix the hanged dma transfer issue
powerpc/512x: scatter/gather dma fix
powerpc/powermac: Make auto-loading of therm_pm72 possible
of/address: Use propper endianess in get_flags
powerpc/pci: Use printf extension %pR for struct resource
powerpc: Remove unnecessary casts of void ptr
powerpc: Disable VPHN polling during a suspend operation
powerpc/pseries: Poll VPA for topology changes and update NUMA maps
powerpc: iommu: Add device name to iommu error printks
powerpc: Record vma->phys_addr in ioremap()
powerpc: Update compat_arch_ptrace
powerpc: Fix PPC_PTRACE_SETHWDEBUG on PPC_BOOK3S
powerpc/time: printk time stamp init not correct
powerpc: Minor cleanups for machdep.h
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Flush the chipset write buffers before and after adjusting the GTT base
register, just in case. We only modify this value upon initialisation
(boot and resume) so there should be no outstanding writes, however
there are always those persistent PGTBL_ER that keep getting reported
upon resume.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (28 commits)
perf session: Fix infinite loop in __perf_session__process_events
perf evsel: Support perf_evsel__open(cpus > 1 && threads > 1)
perf sched: Use PTHREAD_STACK_MIN to avoid pthread_attr_setstacksize() fail
perf tools: Emit clearer message for sys_perf_event_open ENOENT return
perf stat: better error message for unsupported events
perf sched: Fix allocation result check
perf, x86: P4 PMU - Fix unflagged overflows handling
dynamic debug: Fix build issue with older gcc
tracing: Fix TRACE_EVENT power tracepoint creation
tracing: Fix preempt count leak
tracepoint: Add __rcu annotation
tracing: remove duplicate null-pointer check in skb tracepoint
tracing/trivial: Add missing comma in TRACE_EVENT comment
tracing: Include module.h in define_trace.h
x86: Save rbp in pt_regs on irq entry
x86, dumpstack: Fix unused variable warning
x86, NMI: Clean-up default_do_nmi()
x86, NMI: Allow NMI reason io port (0x61) to be processed on any CPU
x86, NMI: Remove DIE_NMI_IPI
x86, NMI: Add priorities to handlers
...
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (390 commits)
drm/radeon/kms: disable underscan by default
drm/radeon/kms: only enable hdmi features if the monitor supports audio
drm: Restore the old_fb upon modeset failure
drm/nouveau: fix hwmon device binding
radeon: consolidate asic-specific function decls for pre-r600
vga_switcheroo: comparing too few characters in strncmp()
drm/radeon/kms: add NI pci ids
drm/radeon/kms: don't enable pcie gen2 on NI yet
drm/radeon/kms: add radeon_asic struct for NI asics
drm/radeon/kms/ni: load default sclk/mclk/vddc at pm init
drm/radeon/kms: add ucode loader for NI
drm/radeon/kms: add support for DCE5 display LUTs
drm/radeon/kms: add ni_reg.h
drm/radeon/kms: add bo blit support for NI
drm/radeon/kms: always use writeback/events for fences on NI
drm/radeon/kms: adjust default clock/vddc tracking for pm on DCE5
drm/radeon/kms: add backend map workaround for barts
drm/radeon/kms: fill gpu init for NI asics
drm/radeon/kms: add disabled vbios accessor for NI asics
drm/radeon/kms: handle NI thermal controller
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6: (30 commits)
MAINTAINERS: Add tomoyo-dev-en ML.
SELinux: define permissions for DCB netlink messages
encrypted-keys: style and other cleanup
encrypted-keys: verify datablob size before converting to binary
trusted-keys: kzalloc and other cleanup
trusted-keys: additional TSS return code and other error handling
syslog: check cap_syslog when dmesg_restrict
Smack: Transmute labels on specified directories
selinux: cache sidtab_context_to_sid results
SELinux: do not compute transition labels on mountpoint labeled filesystems
This patch adds a new security attribute to Smack called SMACK64EXEC. It defines label that is used while task is running.
SELinux: merge policydb_index_classes and policydb_index_others
selinux: convert part of the sym_val_to_name array to use flex_array
selinux: convert type_val_to_struct to flex_array
flex_array: fix flex_array_put_ptr macro to be valid C
SELinux: do not set automatic i_ino in selinuxfs
selinux: rework security_netlbl_secattr_to_sid
SELinux: standardize return code handling in selinuxfs.c
SELinux: standardize return code handling in selinuxfs.c
SELinux: standardize return code handling in policydb.c
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* 'next-devicetree' of git://git.secretlab.ca/git/linux-2.6: (29 commits)
of/flattree: forward declare struct device_node in of_fdt.h
ipmi: explicitly include of_address.h and of_irq.h
sparc: explicitly cast negative phandle checks to s32
powerpc/405: Fix missing #{address,size}-cells in i2c node
powerpc/5200: dts: refactor dts files
powerpc/5200: dts: Change combatible strings on localbus
powerpc/5200: dts: remove unused properties
powerpc/5200: dts: rename nodes to prepare for refactoring dts files
of/flattree: Update dtc to current mainline.
of/device: Don't register disabled devices
powerpc/dts: fix syntax bugs in bluestone.dts
of: Fixes for OF probing on little endian systems
of: make drivers depend on CONFIG_OF instead of CONFIG_PPC_OF
of/flattree: Add of_flat_dt_match() helper function
of_serial: explicitly include of_irq.h
of/flattree: Refactor unflatten_device_tree and add fdt_unflatten_tree
of/flattree: Reorder unflatten_dt_node
of/flattree: Refactor unflatten_dt_node
of/flattree: Add non-boottime device tree functions
of/flattree: Add Kconfig for EARLY_FLATTREE
...
Fix up trivial conflict in arch/sparc/prom/tree_32.c as per Grant.
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Remove kobject.h from files which don't need it, notably,
sched.h and fs.h.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Conflicts:
security/smack/smack_lsm.c
Verified and added fix by Stephen Rothwell <sfr@canb.auug.org.au>
Ok'd by Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: James Morris <jmorris@namei.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into perf/urgent
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu
* 'for-2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu: (30 commits)
gameport: use this_cpu_read instead of lookup
x86: udelay: Use this_cpu_read to avoid address calculation
x86: Use this_cpu_inc_return for nmi counter
x86: Replace uses of current_cpu_data with this_cpu ops
x86: Use this_cpu_ops to optimize code
vmstat: User per cpu atomics to avoid interrupt disable / enable
irq_work: Use per cpu atomics instead of regular atomics
cpuops: Use cmpxchg for xchg to avoid lock semantics
x86: this_cpu_cmpxchg and this_cpu_xchg operations
percpu: Generic this_cpu_cmpxchg() and this_cpu_xchg support
percpu,x86: relocate this_cpu_add_return() and friends
connector: Use this_cpu operations
xen: Use this_cpu_inc_return
taskstats: Use this_cpu_ops
random: Use this_cpu_inc_return
fs: Use this_cpu_inc_return in buffer.c
highmem: Use this_cpu_xx_return() operations
vmstat: Use this_cpu_inc_return for vm statistics
x86: Support for this_cpu_add, sub, dec, inc_return
percpu: Generic support for this_cpu_add, sub, dec, inc_return
...
Fixed up conflicts: in arch/x86/kernel/{apic/nmi.c, apic/x2apic_uv_x.c, process.c}
as per Tejun.
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* 'for-2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: (33 commits)
usb: don't use flush_scheduled_work()
speedtch: don't abuse struct delayed_work
media/video: don't use flush_scheduled_work()
media/video: explicitly flush request_module work
ioc4: use static work_struct for ioc4_load_modules()
init: don't call flush_scheduled_work() from do_initcalls()
s390: don't use flush_scheduled_work()
rtc: don't use flush_scheduled_work()
mmc: update workqueue usages
mfd: update workqueue usages
dvb: don't use flush_scheduled_work()
leds-wm8350: don't use flush_scheduled_work()
mISDN: don't use flush_scheduled_work()
macintosh/ams: don't use flush_scheduled_work()
vmwgfx: don't use flush_scheduled_work()
tpm: don't use flush_scheduled_work()
sonypi: don't use flush_scheduled_work()
hvsi: don't use flush_scheduled_work()
xen: don't use flush_scheduled_work()
gdrom: don't use flush_scheduled_work()
...
Fixed up trivial conflict in drivers/media/video/bt8xx/bttv-input.c
as per Tejun.
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6
* 'tty-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6: (36 commits)
serial: apbuart: Fixup apbuart_console_init()
TTY: Add tty ioctl to figure device node of the system console.
tty: add 'active' sysfs attribute to tty0 and console device
drivers: serial: apbuart: Handle OF failures gracefully
Serial: Avoid unbalanced IRQ wake disable during resume
tty: fix typos/errors in tty_driver.h comments
pch_uart : fix warnings for 64bit compile
8250: fix uninitialized FIFOs
ip2: fix compiler warning on ip2main_pci_tbl
specialix: fix compiler warning on specialix_pci_tbl
rocket: fix compiler warning on rocket_pci_ids
8250: add a UPIO_DWAPB32 for 32 bit accesses
8250: use container_of() instead of casting
serial: omap-serial: Add support for kernel debugger
serial: fix pch_uart kconfig & build
drivers: char: hvc: add arm JTAG DCC console support
RS485 documentation: add 16C950 UART description
serial: ifx6x60: fix memory leak
serial: ifx6x60: free IRQ on error
Serial: EG20T: add PCH_UART driver
...
Fixed up conflicts in drivers/serial/apbuart.c with evil merge that
makes the code look fairly sane (unlike either side).
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They are a handful of places in the code that register a die_notifier
as a catch all in case no claims the NMI. Unfortunately, they trigger
on events like DIE_NMI and DIE_NMI_IPI, which depending on when they
registered may collide with other handlers that have the ability to
determine if the NMI is theirs or not.
The function unknown_nmi_error() makes one last effort to walk the
die_chain when no one else has claimed the NMI before spitting out
messages that the NMI is unknown.
This is a better spot for these devices to execute any code without
colliding with the other handlers.
The two drivers modified are only compiled on x86 arches I believe, so
they shouldn't be affected by other arches that may not have
DIE_NMIUNKNOWN defined.
Signed-off-by: Don Zickus <dzickus@redhat.com>
Cc: Russ Anderson <rja@sgi.com>
Cc: Corey Minyard <minyard@acm.org>
Cc: openipmi-developer@lists.sourceforge.net
Cc: dann frazier <dannf@hp.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1294348732-15030-3-git-send-email-dzickus@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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It has been reported that on at least one Nano CPU the xstore
instruction will write as many as 16 bytes of data to the output
buffer.
This causes memory corruption as we use rng->priv which is only
4-8 bytes long.
This patch fixes this by using an intermediate buffer on the stack
with at least 16 bytes and aligned to a 16-byte boundary.
The problem was observed on the following processor:
processor : 0
vendor_id : CentaurHauls
cpu family : 6
model : 15
model name : VIA Nano processor U2250 (1.6GHz Capable)
stepping : 3
cpu MHz : 1600.000
cache size : 1024 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 10
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat clflush acpi mmx fxsr sse sse2 ss tm syscall nx lm constant_tsc up rep_good pni monitor vmx est tm2 ssse3 cx16 xtpr rng rng_en ace ace_en ace2 phe phe_en lahf_lm
bogomips : 3192.08
clflush size : 64
cache_alignment : 128
address sizes : 36 bits physical, 48 bits virtual
power management:
Tested-by: Mario 'BitKoenig' Holbe <Mario.Holbe@TU-Ilmenau.DE>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The inline asm to invoke xstore did not specify the constraints
correctly. In particular, dx/di should have been marked as output
registers as well as input as they're modified by xstore.
Thanks to Mario Holbe for creating this patch and testing it.
Tested-by: Mario 'BitKoenig' Holbe <Mario.Holbe@TU-Ilmenau.DE>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-amd-nb-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, cacheinfo: Cleanup L3 cache index disable support
x86, amd-nb: Cleanup AMD northbridge caching code
x86, amd-nb: Complete the rename of AMD NB and related code
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of_address.h and of_irq.h are implicitly included on powerpc. Adding
them fixes builds on non-powerpc platforms.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Fixes for sdhci-of and ipmi drivers.
Auditing all drivers using of_get_property did not find other
occurrences likely to be used on LE platforms.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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The current code mis-calculates the ramoops header size, leading to an
overflow over the next record at best, or over a non-allocated region at
worst. Fix that calculation.
Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com>
Acked-by: Marco Stornelli <marco.stornelli@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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flush_scheduled_work() is deprecated and scheduled to be removed.
Directly flush chip->work instead.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Debora Velarde <debora@linux.vnet.ibm.com>
Cc: Rajiv Andrade <srajiv@linux.vnet.ibm.com>
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flush_scheduled_work() is deprecated and scheduled to be removed.
Directly flush sonypi_device.input_work on removal instead.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Mattia Dongili <malattia@linux.it>
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flush_scheduled_work() is deprecated and scheduled to be removed.
Directly cancel hp->writer and flush hp->handshaker instead.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
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flush_scheduled_work() is deprecated and scheduled to be removed.
Directly flush the used works instead.
Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Acked-by: David Sterba <dsterba@suse.cz>
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__this_cpu_inc can create a single instruction to do the same as
__get_cpu_var()++.
Cc: Richard Kennedy <richard@rsk.demon.co.uk>
Cc: Matt Mackall <mpm@selenic.com>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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This fixes regression from a6963596a13e62f8e65b1cf3403a330ff2db407c,
that missed to set cached memory type in GTT entry.
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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The IPMI smi_watcher will be used to catch the IPMI interface as they
come or go. In order to communicate with the correct IPMI device, it
should be confirmed whether it is what we wanted especially on the
system with multiple IPMI devices. But the new_smi callback function
of smi_watcher provides very limited info(only the interface number
and dev pointer) and there is no detailed info about the low level
interface. For example: which mechansim registers the IPMI
interface(ACPI, PCI, DMI and so on).
This is to add one interface that can get more info of low-level IPMI
device. For example: the ACPI device handle will be returned for the
pnp_acpi IPMI device.
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Annotate ip2main_pci_tbl as '__used' to fix following warning:
CC drivers/char/ip2/ip2main.o
drivers/char/ip2/ip2main.c:3227: warning: ‘ip2main_pci_tbl’ defined but not used
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Cc: "Michael H. Warfield" <mhw@wittsend.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Annotate specialx_pci_tbl as '__used' to fix following warning:
CC drivers/char/specialix.o
drivers/char/specialix.c:2358: warning: ‘specialx_pci_tbl’ defined but not used
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Cc: Roger Wolff <R.E.Wolff@BitWizard.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Annotate rocket_pci_ids as '__used' to fix following warning:
CC drivers/char/rocket.o
drivers/char/rocket.c:1767: warning: ‘rocket_pci_ids’ defined but not used
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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