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Pull cifs fixes from Steve French.
* git://git.samba.org/sfrench/cifs-2.6:
[CIFS] Update CIFS version number to 1.77
CIFS: Add missed forcemand mount option
[CIFS] Fix trivial sparse warning with asyn i/o patch
cifs: handle "sloppy" option appropriately
cifs: use standard token parser for mount options
cifs: remove /proc/fs/cifs/OplockEnabled
cifs: convert cifs_iovec_write to use async writes
cifs: call cifs_update_eof with i_lock held
cifs: abstract out function to marshal up the iovec array for async writes
cifs: fix up get_numpages
cifs: make cifsFileInfo_get return the cifsFileInfo pointer
cifs: fix allocation in cifs_write_allocate_pages
cifs: allow caller to specify completion op when allocating writedata
cifs: add pid field to cifs_writedata
cifs: add new cifsiod_wq workqueue
CIFS: Change mid_q_entry structure fields
CIFS: Expand CurrentMid field
CIFS: Separate protocol-specific code from cifs_readv_receive code
CIFS: Separate protocol-specific code from demultiplex code
CIFS: Separate protocol-specific code from transport routines
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Pull battery updates from Anton Vorontsov:
"Various small bugfixes and enhancements, plus two new drivers:
- A quite complex ab8500 charger driver, submitted by Arun Murthy @
ST-Ericsson;
- Summit Microelectronics SMB347 Battery Charger, submitted by Bruce
E Robertson and Alan Cox @ Intel.
And that's all."
* tag 'for-v3.4-rc1' of git://git.infradead.org/battery-2.6: (36 commits)
max17042_battery: Clean up interrupt handling
Revert "max8998_charger: Include linux/module.h just once"
ab8500_fg: Fix some build warnings on x86_64
max17042_battery: Fix CHARGE_FULL representation.
max8998_charger: Include linux/module.h just once
power_supply: Convert i2c drivers to module_i2c_driver
lp8727_charger: Add MODULE_DEVICE_TABLE
charger-manager: Simplify charger_get_property(), get rid of a warning
charger-manager: Clean up for better readability
da9052-battery: Convert to use module_platform_driver
da9052-battery: Fix a memory leak when unload the module
da9052-battery: Add missing platform_set_drvdata
ab8500: Turn unneeded global symbols into local ones
ab8500_fg: Fix copy-paste error
ab8500_fg: Get rid of 'struct battery_type'
ab8500_fg: Get rid of 'struct v_to_cap'
ab8500_btemp: Get rid of 'enum adc_therm'
ab8500_charger: Convert to the new USB OTG calls
ab8500-btemp: AB8500 battery temperature driver
ab8500-fg: A8500 fuel gauge driver
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Merge Documentation fixes from Randy Dunlap.
Fixed up several small annoyances (bad changelogs and corrupted utf8
names), I need to try to convince people to do things right.
* emailed from Randy Dunlap <rdunlap@xenotime.net>:
Documentation: fix typo in ABI/stable/sysfs-driver-usb-usbtmc
Documentation: replace install commands with softdeps
Documentation: remove references to /etc/modprobe.conf
Documentation: input.txt: clarify mousedev 'cat' command syntax
Documentation: CodingStyle: add inline assembly guidelines
Documentation: sysrq: Crutcher Dunnavant is unavailable
Documentation: mention scripts/diffconfig tool
Documentation: remove 'mach' from dontdiff file
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Fix "the the" in ABI/stable/sysfs-driver-usb-usbtmc
Signed-off-by: Rafal Kapela <raf.kapela@gmail.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Cc: Greg KH <gregkh@linuxfoundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Install commands should not be used to specify soft dependencies among
modules. When loading modules it's much better to have a softdep that
modprobe knows what's being done than having to fork/exec another
instance of modprobe to load the other module.
By using a softdep user has also an option to remove the dependencies
when removing the module (and if its refcount dropped to 0)
Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Usage of /etc/modprobe.conf file was deprecated by module-init-tools and
is no longer parsed by new kmod tool. References to this file are
replaced in Documentation, comments and Kconfig according to the
context.
There are also some references to the old /etc/modules.conf from 2.4
kernels that are being removed.
Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
Acked-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Clarify that the 'cat' command does not include the (c, 13, 32)
after it.
Reported-by: Dan Jidanni Jacobson <jidanni@jidanni.org>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Reported-by: Křištof Želechovski <giecrilj@stegny.2a.pl>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The kconfig documentation suggests using plain 'diff' to compare config
files and then adds "Yes, we need something better here". Commit
a717417e7f96 ("kconfig: add diffconfig utility") added what that comment
was looking for.
Signed-off-by: Javi Merino <javi.merino@arm.com>
Cc: Michal Marek <mmarek@suse.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The mach entry in the dontdiff file causes all the
arch/arm/mach-*/include/mach directories to be skipped.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fixes and features from Chris Mason:
"We've merged in the error handling patches from SuSE. These are
already shipping in the sles kernel, and they give btrfs the ability
to abort transactions and go readonly on errors. It involves a lot of
churn as they clarify BUG_ONs, and remove the ones we now properly
deal with.
Josef reworked the way our metadata interacts with the page cache.
page->private now points to the btrfs extent_buffer object, which
makes everything faster. He changed it so we write an whole extent
buffer at a time instead of allowing individual pages to go down,,
which will be important for the raid5/6 code (for the 3.5 merge
window ;)
Josef also made us more aggressive about dropping pages for metadata
blocks that were freed due to COW. Overall, our metadata caching is
much faster now.
We've integrated my patch for metadata bigger than the page size.
This allows metadata blocks up to 64KB in size. In practice 16K and
32K seem to work best. For workloads with lots of metadata, this cuts
down the size of the extent allocation tree dramatically and fragments
much less.
Scrub was updated to support the larger block sizes, which ended up
being a fairly large change (thanks Stefan Behrens).
We also have an assortment of fixes and updates, especially to the
balancing code (Ilya Dryomov), the back ref walker (Jan Schmidt) and
the defragging code (Liu Bo)."
Fixed up trivial conflicts in fs/btrfs/scrub.c that were just due to
removal of the second argument to k[un]map_atomic() in commit
7ac687d9e047.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: (75 commits)
Btrfs: update the checks for mixed block groups with big metadata blocks
Btrfs: update to the right index of defragment
Btrfs: do not bother to defrag an extent if it is a big real extent
Btrfs: add a check to decide if we should defrag the range
Btrfs: fix recursive defragment with autodefrag option
Btrfs: fix the mismatch of page->mapping
Btrfs: fix race between direct io and autodefrag
Btrfs: fix deadlock during allocating chunks
Btrfs: show useful info in space reservation tracepoint
Btrfs: don't use crc items bigger than 4KB
Btrfs: flush out and clean up any block device pages during mount
btrfs: disallow unequal data/metadata blocksize for mixed block groups
Btrfs: enhance superblock sanity checks
Btrfs: change scrub to support big blocks
Btrfs: minor cleanup in scrub
Btrfs: introduce common define for max number of mirrors
Btrfs: fix infinite loop in btrfs_shrink_device()
Btrfs: fix memory leak in resolver code
Btrfs: allow dup for data chunks in mixed mode
Btrfs: validate target profiles only if we are going to use them
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The empty asm/cmpxchg.h file that was provided as a temporary build fix
for the asm/system.h disintgration build problem should really include
<asm/intrinsics.h> to make definitions of xchg() and cmpxchg()
available.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of small fixes for 3.4-rc1, including
- mic-recording regression fix for Realtek codec
- clean-up of dmaengine parameter mess
- WM8894 calibration tweak
- minor fixes for asihpi and some bool module parms"
* tag 'sound-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: fix isa/opti9xx module param type
sound: fix oss/msnd_pinnacle module param type
ALSA: asihpi - fix return type of hpios_locked_mem_alloc()
ASoC: dmaengine_pcm: use dmaengine cyclic wrapper
ASoC: Add extra parameter to device_prep_dma_cyclic
ALSA: hda/realtek - Fix ADC assignment with a shared HP/Mic pin
ASoC: wm8994: Update WM8994 DCS calibration
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 build fixes from Martin Schwidefsky.
More small fixes for the system.h disintegration.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
[S390] Fix build errors (fallout from system.h disintegration)
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Pull minor Sparc fixes from David Miller:
"This just fixes build fallout due to recent changes that went int your
tree."
Sam Ravnborg says that sparc32 still needs some more tender loving.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc: Fix even more fallout from system.h split.
sparc: fix fallout from system.h split
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Signed-off-by: Heiko Carstens <h.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Pull SuperH updates from Paul Mundt.
* tag 'sh-for-linus' of git://github.com/pmundt/linux-sh: (25 commits)
sh: Support I/O space swapping where needed.
sh: use set_current_blocked() and block_sigmask()
sh: no need to reset handler if SA_ONESHOT
sh: intc: Fix up section mismatch for intc_ack_data
sh: select ARCH_DISCARD_MEMBLOCK.
sh: Consolidate duplicate _32/_64 unistd definitions.
sh: ecovec: switch SDHI controllers to card polling
sh: Avoid exporting unimplemented syscalls.
sh: add platform_device for RSPI in setup-sh7757
SH: pci-sh7780: enable big-endian operation.
serial: sh-sci: fix a race of DMA submit_tx on transfer
sh: dma: Collect up CHCR of SH7763, SH7764, SH7780 and SH7785
sh: dma: Collect up CHCR of SH7723 and SH7730
sh/next: Fix build fail by asm/system.h in asm/bitops.h
arch/sh/drivers/dma/{dma-g2,dmabrg}.c: ensure arguments to request_irq and free_irq are compatible
sh: cpufreq: Wire up scaling_available_freqs support.
sh: cpufreq: notify about rate rounding fallback.
sh: cpufreq: Support CPU clock frequency table.
sh: cpufreq: struct device lookup from CPU topology.
sh: cpufreq: percpu struct clk accounting.
...
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull 2nd round of input updates from Dmitry Torokhov:
- update to Wacom driver to support wireless devices
- update to Sentelci touchpad driver to support newer hardware
- update to gpio-keys driver to support "interrupt-only" keys
- fixups to earlier commits
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: wacom - check for allocation failure in probe()
Input: tegra-kbc - allocate pdata before using it
Input: amijoy - add missing platform check
Input: wacom - wireless battery status
Input: wacom - create inputs when wireless connect
Input: wacom - wireless monitor framework
Input: wacom - isolate input registration
Input: sentelic - improve packet debugging information
Input: sentelic - minor code cleanup
Input: sentelic - enabling absolute coordinates output for newer hardware
Input: sentelic - refactor code for upcoming new hardware support
Input: gpio_keys - add support for interrupt only keys
Input: gpio_keys - consolidate key destructor code
Input: revert "gpio_keys - switch to using threaded IRQs"
Input: gpio_keys - constify platform data
Input: spear-keyboard - remove kbd_set_plat_data()
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We accidentally removed the check for NULL in 3aac0ef10b "Input: wacom -
isolate input registration".
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Chris Bagwell <chris@cnpbagwell.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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jump_label.c needs asm/cacheflush.h to get flushi().
kgdb_64.c needs asm/cacheflush.h to get flushw_all().
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fixes this build error:
kernel/signal.c: In function 'ptrace_stop':
kernel/signal.c:1860:3: error: implicit declaration of function 'synchronize_user_stack' [-Werror=implicit-function-declaration]
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull urgent cgroup fix from Tejun Heo:
"Commit 61d1d219c4c0 ('cgroup: remove extra calls to
find_existing_css_set') which was part of the rc1 cgroup pull request
made writes to the cgroup "tasks" file return an uninitialized retval
on success which can cause boot failures with systemd.
The change stayed in linux-next for quite some time but gcc
interestingly failed to emit warning about using uninitialized
variable and the problem seems to materialize only for certain build
combinations (probably depends on register allocation).
It's just missing local variable initialization and the fix is trivial
& safe. As the problem is critical when it materializes, I'm
fast-tracking it. Also included is Li's email address change in
MAINTAINERS."
* 'for-3.4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cgroup: cgroup_attach_task() could return -errno after success
cgroup: update MAINTAINERS entry
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61d1d219c4 "cgroup: remove extra calls to find_existing_css_set" made
cgroup_task_migrate() return void. An unfortunate side effect was
that cgroup_attach_task() was depending on that function's return
value to clear its @retval on the success path. On cgroup mounts
without any subsystem with ->can_attach() callback,
cgroup_attach_task() ended up returning @retval without initializing
it on success.
For some reason, gcc failed to warn about it and it didn't cause
cgroup_attach_task() to return non-zero value in many cases, probably
due to difference in register allocation. When the problem
materializes, systemd fails to populate /systemd cgroup mount and
fails to boot.
Fix it by initializing @retval to zero on declaration.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Jiri Kosina <jkosina@suse.cz>
LKML-Reference: <alpine.LNX.2.00.1203282354440.25526@pobox.suse.cz>
Reviewed-by: Mandeep Singh Baines <msb@chromium.org>
Acked-by: Li Zefan <lizefan@huawei.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull arm-soc fixes from Olof Johansson:
"This is a first pass of some of the merge window fallout for ARM
platforms.
Nothing controversial:
- A system.h fallout fix for OMAP
- PXA fixes for breakage caused by the regulator struct changes
- GPIO fixes for OMAP to properly deal with dynamic IRQ allocation
- A mismerge in our arm-soc tree of an lpc32xx change for networking
- A fix for USB setup on tegra
- An undo of __init annotation of display mux setup on OMAP that's
needed at runtime"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: pxa: fix build issue on stargate2
ARM: pxa: fix build issue on cm-x300
ARM: pxa: fix build failure for regulator consumer in em-x270.c
ARM: LPC32xx: clock.c: Fix lpc-eth clock reference
ARM: OMAP: pm: fix compilation break
ARM: OMAP: Remove OMAP_GPIO_IRQ macro definition
drivers: input: Fix OMAP_GPIO_IRQ with gpio_to_irq() in ams_delta_serio_exit()
ARM: OMAP: boards: Fix OMAP_GPIO_IRQ usage with gpio_to_irq()
ARM: pxa: fix regulator related build fail in magician_defconfig
ARM: tegra: Fix device tree AUXDATA for USB/EHCI
ARM: OMAP2+: Remove __init from DSI mux functions
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* 'fixes' of git://github.com/hzhuang1/linux:
ARM: pxa: fix build issue on stargate2
ARM: pxa: fix build issue on cm-x300
ARM: pxa: fix build failure for regulator consumer in em-x270.c
ARM: pxa: fix regulator related build fail in magician_defconfig
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Pull devicetree documentation update from Grant Likely.
* tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux-2.6:
dt: Linux DT usage model documentation
mtd: Move fdt partition documentation to a seperate file
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cleanups from Peter Anvin:
"The biggest textual change is the cleanup to use symbolic constants
for x86 trap values.
The only *functional* change and the reason for the x86/x32 dependency
is the move of is_ia32_task() into <asm/thread_info.h> so that it can
be used in other code that needs to understand if a system call comes
from the compat entry point (and therefore uses i386 system call
numbers) or not. One intended user for that is the BPF system call
filter. Moving it out of <asm/compat.h> means we can define it
unconditionally, returning always true on i386."
* 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86: Move is_ia32_task to asm/thread_info.h from asm/compat.h
x86: Rename trap_no to trap_nr in thread_struct
x86: Use enum instead of literals for trap values
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v2: 2nd draft
- Editorial cleanups (Randy Dunlap and Stephen Warren)
- Added missing Microblaze reference (Stephen Neuendorffer)
- Make example of platform_device creation clearer (Shawn Guo)
- Expand on PowerPC history and mention i2c mess (David Gibson)
- convert to plain text (remove bits of html formating)
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x32 support for x86-64 from Ingo Molnar:
"This tree introduces the X32 binary format and execution mode for x86:
32-bit data space binaries using 64-bit instructions and 64-bit kernel
syscalls.
This allows applications whose working set fits into a 32 bits address
space to make use of 64-bit instructions while using a 32-bit address
space with shorter pointers, more compressed data structures, etc."
Fix up trivial context conflicts in arch/x86/{Kconfig,vdso/vma.c}
* 'x86-x32-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (71 commits)
x32: Fix alignment fail in struct compat_siginfo
x32: Fix stupid ia32/x32 inversion in the siginfo format
x32: Add ptrace for x32
x32: Switch to a 64-bit clock_t
x32: Provide separate is_ia32_task() and is_x32_task() predicates
x86, mtrr: Use explicit sizing and padding for the 64-bit ioctls
x86/x32: Fix the binutils auto-detect
x32: Warn and disable rather than error if binutils too old
x32: Only clear TIF_X32 flag once
x32: Make sure TS_COMPAT is cleared for x32 tasks
fs: Remove missed ->fds_bits from cessation use of fd_set structs internally
fs: Fix close_on_exec pointer in alloc_fdtable
x32: Drop non-__vdso weak symbols from the x32 VDSO
x32: Fix coding style violations in the x32 VDSO code
x32: Add x32 VDSO support
x32: Allow x32 to be configured
x32: If configured, add x32 system calls to system call tables
x32: Handle process creation
x32: Signal-related system calls
x86: Add #ifdef CONFIG_COMPAT to <asm/sys_ia32.h>
...
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arch/arm/mach-pxa/stargate2.c:155:3: error: unknown field ‘dev’
specified in initializer
arch/arm/mach-pxa/stargate2.c:155:3: warning: initialization from
incompatible pointer type [enabled by default]
arch/arm/mach-pxa/stargate2.c:155:3: warning: (near initialization for
‘stargate2_sensor_3_con[0].dev_name’) [enabled by default]
make[1]: *** [arch/arm/mach-pxa/stargate2.o] Error 1
make: *** [arch/arm/mach-pxa] Error 2
It's caused by 'dev' field removed from struct
regulator_consumer_supply.
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
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arch/arm/mach-pxa/cm-x300.c:716:3: error: unknown field ‘dev’ specified
in initializer
make[1]: *** [arch/arm/mach-pxa/cm-x300.o] Error 1
make: *** [arch/arm/mach-pxa] Error 2
It's caused by 'dev' field removed from struct
regulator_consumer_supply.
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull "ARM: cleanups of io includes" from Olof Johansson:
"Rob Herring has done a sweeping change cleaning up all of the
mach/io.h includes, moving some of the oft-repeated macros to a common
location and removing a bunch of boiler plate. This is another step
closer to a common zImage for multiple platforms."
Fix up various fairly trivial conflicts (<mach/io.h> removal vs changes
around it, tegra localtimer.o is *still* gone, yadda-yadda).
* tag 'cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (29 commits)
ARM: tegra: Include assembler.h in sleep.S to fix build break
ARM: pxa: use common IOMEM definition
ARM: dma-mapping: convert ARCH_HAS_DMA_SET_COHERENT_MASK to kconfig symbol
ARM: __io abuse cleanup
ARM: create a common IOMEM definition
ARM: iop13xx: fix missing declaration of iop13xx_init_early
ARM: fix ioremap/iounmap for !CONFIG_MMU
ARM: kill off __mem_pci
ARM: remove bunch of now unused mach/io.h files
ARM: make mach/io.h include optional
ARM: clps711x: remove unneeded include of mach/io.h
ARM: dove: add explicit include of dove.h to addr-map.c
ARM: at91: add explicit include of hardware.h to uncompressor
ARM: ep93xx: clean-up mach/io.h
ARM: tegra: clean-up mach/io.h
ARM: orion5x: clean-up mach/io.h
ARM: davinci: remove unneeded mach/io.h include
[media] davinci: remove includes of mach/io.h
ARM: OMAP: Remove remaining includes for mach/io.h
ARM: msm: clean-up mach/io.h
...
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Commit 737f360d5bef5e01c6cfa755dca0b449a154c1e0
"regulator: Remove support for supplies specified by struct device"
caused this file to break, since it was still relying on the
device field to be present. Map it onto dev_name appropriately
Since there are two consumers with the name "reg-userspace-consumer",
we have to supply the ID as a suffix in the REGULATOR_CONSUMER calls.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
CC: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
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This reverts commit b43d17f319f2c502b17139d1cf70731b2b62c644.
Dave Jones reports that it causes lockups on his laptop, and his debug
output showed a lot of processes hung waiting for page_writeback (or
more commonly - processes hung waiting for a lock that was held during
that writeback wait).
The page_writeback hint made Ted suggest that Dave look at this commit,
and Dave verified that reverting it makes his problems go away.
Ted says:
"That commit fixes a race which is seen when you write into fallocated
(and hence uninitialized) disk blocks under *very* heavy memory
pressure. Furthermore, although theoretically it could trigger under
normal direct I/O writes, it only seems to trigger if you are issuing
a huge number of AIO writes, such that a just-written page can get
evicted from memory, and then read back into memory, before the
workqueue has a chance to update the extent tree.
This race has been around for a little over a year, and no one noticed
until two months ago; it only happens under fairly exotic conditions,
and in fact even after trying very hard to create a simple repro under
lab conditions, we could only reproduce the problem and confirm the
fix on production servers running MySQL on very fast PCIe-attached
flash devices.
Given that Dave was able to hit this problem pretty quickly, if we
confirm that this commit is at fault, the only reasonable thing to do
is to revert it IMO."
Reported-and-tested-by: Dave Jones <davej@redhat.com>
Acked-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull more ARM updates from Russell King.
This got a fair number of conflicts with the <asm/system.h> split, but
also with some other sparse-irq and header file include cleanups. They
all looked pretty trivial, though.
* 'for-linus' of git://git.linaro.org/people/rmk/linux-arm: (59 commits)
ARM: fix Kconfig warning for HAVE_BPF_JIT
ARM: 7361/1: provide XIP_VIRT_ADDR for no-MMU builds
ARM: 7349/1: integrator: convert to sparse irqs
ARM: 7259/3: net: JIT compiler for packet filters
ARM: 7334/1: add jump label support
ARM: 7333/2: jump label: detect %c support for ARM
ARM: 7338/1: add support for early console output via semihosting
ARM: use set_current_blocked() and block_sigmask()
ARM: exec: remove redundant set_fs(USER_DS)
ARM: 7332/1: extract out code patch function from kprobes
ARM: 7331/1: extract out insn generation code from ftrace
ARM: 7330/1: ftrace: use canonical Thumb-2 wide instruction format
ARM: 7351/1: ftrace: remove useless memory checks
ARM: 7316/1: kexec: EOI active and mask all interrupts in kexec crash path
ARM: Versatile Express: add NO_IOPORT
ARM: get rid of asm/irq.h in asm/prom.h
ARM: 7319/1: Print debug info for SIGBUS in user faults
ARM: 7318/1: gic: refactor irq_start assignment
ARM: 7317/1: irq: avoid NULL check in for_each_irq_desc loop
ARM: 7315/1: perf: add support for the Cortex-A7 PMU
...
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Pull cpupower updates from Dominik Brodowski.
* git://git.kernel.org/pub/scm/linux/kernel/git/brodo/cpupowerutils:
cpupower tools: add install target to the debug tools' makefiles
cpupower tools: allow to build debug tools in a separate directory too
cpupower: Fix broken mask values
cpupower tool: allow to build in a separate directory
cpupower tool: makefile: simplify the recipe used to generate cpupower.pot target
cpupower tool: remove use of undefined variables from the clean target of the top makefile
cpupower: Fix linking with --as-needed
cpupower: Remove unneeded code and by that fix a memleak
cpupower: Fix number of idle states
cpupower: Unify cpupower-frequency-* manpages
cpupower: Add cpupower-idle-info manpage
cpupower: AMD fam14h/Ontario monitor can also be used by fam12h cpus
cpupower: Better interface for accessing AMD pci registers
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Pull a few PCMCIA updates from Dominik Brodowski.
Fix up trivial conflict (modified code in question had been removed) in
drivers/pcmcia/soc_common.c.
* git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia:
pcmcia at91_cf: fix raw gpio number usage
ARM: pxa: fix error handling in pxa2xx_drv_pcmcia_probe
pcmcia: Convert to DEFINE_PCI_DEVICE_TABLE
pcmcia: convert drivers/pcmcia/* to use module_platform_driver()
pcmcia: irq: Remove IRQF_DISABLED
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Pull slave-dmaengine update from Vinod Koul:
"This includes the cookie cleanup by Russell, the addition of context
parameter for dmaengine APIs, more arm dmaengine driver cleanup by
moving code to dmaengine, this time for imx by Javier and pl330 by
Boojin along with the usual driver fixes."
Fix up some fairly trivial conflicts with various other cleanups.
* 'next' of git://git.infradead.org/users/vkoul/slave-dma: (67 commits)
dmaengine: imx: fix the build failure on x86_64
dmaengine: i.MX: Fix merge of cookie branch.
dmaengine: i.MX: Add support for interleaved transfers.
dmaengine: imx-dma: use 'dev_dbg' and 'dev_warn' for messages.
dmaengine: imx-dma: remove 'imx_dmav1_baseaddr' and 'dma_clk'.
dmaengine: imx-dma: remove unused arg of imxdma_sg_next.
dmaengine: imx-dma: remove internal structure.
dmaengine: imx-dma: remove 'resbytes' field of 'internal' structure.
dmaengine: imx-dma: remove 'in_use' field of 'internal' structure.
dmaengine: imx-dma: remove sg member from internal structure.
dmaengine: imx-dma: remove 'imxdma_setup_sg_hw' function.
dmaengine: imx-dma: remove 'imxdma_config_channel_hw' function.
dmaengine: imx-dma: remove 'imxdma_setup_mem2mem_hw' function.
dmaengine: imx-dma: remove dma_mode member of internal structure.
dmaengine: imx-dma: remove data member from internal structure.
dmaengine: imx-dma: merge old dma-v1.c with imx-dma.c
dmaengine: at_hdmac: add slave config operation
dmaengine: add context parameter to prep_slave_sg and prep_dma_cyclic
dmaengine/dma_slave: introduce inline wrappers
dma: imx-sdma: Treat firmware messages as warnings instead of erros
...
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Pull nfsd changes from Bruce Fields:
Highlights:
- Benny Halevy and Tigran Mkrtchyan implemented some more 4.1 features,
moving us closer to a complete 4.1 implementation.
- Bernd Schubert fixed a long-standing problem with readdir cookies on
ext2/3/4.
- Jeff Layton performed a long-overdue overhaul of the server reboot
recovery code which will allow us to deprecate the current code (a
rather unusual user of the vfs), and give us some needed flexibility
for further improvements.
- Like the client, we now support numeric uid's and gid's in the
auth_sys case, allowing easier upgrades from NFSv2/v3 to v4.x.
Plus miscellaneous bugfixes and cleanup.
Thanks to everyone!
There are also some delegation fixes waiting on vfs review that I
suppose will have to wait for 3.5. With that done I think we'll finally
turn off the "EXPERIMENTAL" dependency for v4 (though that's mostly
symbolic as it's been on by default in distro's for a while).
And the list of 4.1 todo's should be achievable for 3.5 as well:
http://wiki.linux-nfs.org/wiki/index.php/Server_4.0_and_4.1_issues
though we may still want a bit more experience with it before turning it
on by default.
* 'for-3.4' of git://linux-nfs.org/~bfields/linux: (55 commits)
nfsd: only register cld pipe notifier when CONFIG_NFSD_V4 is enabled
nfsd4: use auth_unix unconditionally on backchannel
nfsd: fix NULL pointer dereference in cld_pipe_downcall
nfsd4: memory corruption in numeric_name_to_id()
sunrpc: skip portmap calls on sessions backchannel
nfsd4: allow numeric idmapping
nfsd: don't allow legacy client tracker init for anything but init_net
nfsd: add notifier to handle mount/unmount of rpc_pipefs sb
nfsd: add the infrastructure to handle the cld upcall
nfsd: add a header describing upcall to nfsdcld
nfsd: add a per-net-namespace struct for nfsd
sunrpc: create nfsd dir in rpc_pipefs
nfsd: add nfsd4_client_tracking_ops struct and a way to set it
nfsd: convert nfs4_client->cl_cb_flags to a generic flags field
NFSD: Fix nfs4_verifier memory alignment
NFSD: Fix warnings when NFSD_DEBUG is not defined
nfsd: vfs_llseek() with 32 or 64 bit offsets (hashes)
nfsd: rename 'int access' to 'int may_flags' in nfsd_open()
ext4: return 32/64-bit dir name hash according to usage type
fs: add new FMODE flags: FMODE_32bithash and FMODE_64bithash
...
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Pull arch/tile (really asm-generic) update from Chris Metcalf:
"These are a couple of asm-generic changes that apply to tile."
* git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
compat: use sys_sendfile64() implementation for sendfile syscall
[PATCH v3] ipc: provide generic compat versions of IPC syscalls
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar.
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
cpusets: Remove an unused variable
sched/rt: Improve pick_next_highest_task_rt()
sched: Fix select_fallback_rq() vs cpu_active/cpu_online
sched/x86/smp: Do not enable IRQs over calibrate_delay()
sched: Fix compiler warning about declared inline after use
MAINTAINERS: Update email address for SCHEDULER and PERF EVENTS
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 updates from Ingo Molnar.
This touches some non-x86 files due to the sanitized INLINE_SPIN_UNLOCK
config usage.
Fixed up trivial conflicts due to just header include changes (removing
headers due to cpu_idle() merge clashing with the <asm/system.h> split).
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/apic/amd: Be more verbose about LVT offset assignments
x86, tls: Off by one limit check
x86/ioapic: Add io_apic_ops driver layer to allow interception
x86/olpc: Add debugfs interface for EC commands
x86: Merge the x86_32 and x86_64 cpu_idle() functions
x86/kconfig: Remove CONFIG_TR=y from the defconfigs
x86: Stop recursive fault in print_context_stack after stack overflow
x86/io_apic: Move and reenable irq only when CONFIG_GENERIC_PENDING_IRQ=y
x86/apic: Add separate apic_id_valid() functions for selected apic drivers
locking/kconfig: Simplify INLINE_SPIN_UNLOCK usage
x86/kconfig: Update defconfigs
x86: Fix excessive MSR print out when show_msr is not specified
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer core updates from Thomas Gleixner.
* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
ia64: vsyscall: Add missing paranthesis
alarmtimer: Don't call rtc_timer_init() when CONFIG_RTC_CLASS=n
x86: vdso: Put declaration before code
x86-64: Inline vdso clock_gettime helpers
x86-64: Simplify and optimize vdso clock_gettime monotonic variants
kernel-time: fix s/then/than/ spelling errors
time: remove no_sync_cmos_clock
time: Avoid scary backtraces when warning of > 11% adj
alarmtimer: Make sure we initialize the rtctimer
ntp: Fix leap-second hrtimer livelock
x86, tsc: Skip refined tsc calibration on systems with reliable TSC
rtc: Provide flag for rtc devices that don't support UIE
ia64: vsyscall: Use seqcount instead of seqlock
x86: vdso: Use seqcount instead of seqlock
x86: vdso: Remove bogus locking in update_vsyscall_tz()
time: Remove bogus comments
time: Fix change_clocksource locking
time: x86: Fix race switching from vsyscall to non-vsyscall clock
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Fix this build error on ia64:
In file included from include/linux/sched.h:92,
from arch/ia64/kernel/asm-offsets.c:9:
include/linux/llist.h:59:25: error: asm/cmpxchg.h: No such file or directory
make[1]: *** [arch/ia64/kernel/asm-offsets.s] Error 1
Right now we don't seem to need any actual contents for the
asm/cmpxchg.h to make the build work ... so leave the migration of
xchg() and cmpxchg() to this new header file for a future patch.
Also process.c needs <asm/switch_to.h> (for definition of pfm_syst_info).
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull the code to generalize the powerpc VIRQ_DEBUG code from Grant Likely.
That code had been moved into generic irqdomain code, but still had
powerpc-specific code and could only be enabled on powerpc.
* 'irqdomain/merge' of git://git.secretlab.ca/git/linux-2.6:
irqdomain/powerpc: updated defconfigs for VIRQ_DEBUG rename
irqdomain: Remove powerpc dependency from debugfs file
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Single fix for a commit from the first batch of patches through Andrew.
* emailed from Andrew Morton <akpm@linux-foundation.org>:
pagemap: remove remaining unneeded spin_lock()
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Commit 025c5b2451e4 ("thp: optimize away unnecessary page table
locking") moves spin_lock() into pmd_trans_huge_lock() in order to avoid
locking unless pmd is for thp. So this spin_lock() is a bug.
Reported-by: Sasha Levin <levinsasha928@gmail.com>
Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Dave Sterba had put in patches to look for mixed data/metadata groups
with metadata bigger than 4KB. But these ended up in the wrong place
and it wasn't testing the feature flag correctly.
This updates the tests to make sure our sizes are matching
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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