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* 'next/cleanup3' of git://git.linaro.org/people/arnd/arm-soc: (79 commits)
ARM: SAMSUNG: Move fimc plat. device from board files to plat-samsung
ARM: SAMSUNG: Cleanup resources by using macro
ARM: SAMSUNG: Cleanup plat-samsung/devs.c and devs.h
ARM: S5P: To merge devs.c files to one devs.c
ARM: S3C64XX: To merge devs.c files to one devs.c
ARM: S3C24XX: To merge s3c24xx devs.c files to one devs.c
ARM: S5P64X0: Add Power Management support
ARM: S5P: Make the sleep code common for S5P series SoCs
ARM: S5P: Make the common S5P PM code conditionally compile
ARM: SAMSUNG: Move S5P header files to plat-samsung
ARM: SAMSUNG: Move S3C24XX header files to plat-samsung
ARM: SAMSUNG: Moving each SoC support header files
ARM: SAMSUNG: Consolidate plat/pll.h
ARM: SAMSUNG: Consolidate plat/pwm-clock.h
ARM: SAMSUNG: Cleanup mach/clkdev.h
ARM: SAMSUNG: remove sdhci default configuration setup platform helper
ARM: EXYNOS4: Add FIMC device on SMDKV310 board
ARM: EXYNOS4: Add header file protection macros
ARM: EXYNOS4: Add usb ehci device to the SMDKV310
ARM: S3C2443: Add hsspi-clock from pclk and rename S3C2443 hsspi sclk
...
Fix up conflicts in
- arch/arm/mach-exynos4/{Kconfig,clock.c}
ARM_CPU_SUSPEND, various random device tables (gah!)
- drivers/gpio/Makefile
sa1100 gpio added, samsung gpio drivers merged
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Update my email address in MAINTAINERS.
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
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
* 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM / Freezer: Revert 27920651fe "PM / Freezer: Make fake_signal_wake_up() wake TASK_KILLABLE tasks too"
PM / Freezer: Reimplement wait_event_freezekillable using freezer_do_not_count/freezer_count
USB: Update last_busy time after autosuspend fails
PM / Runtime: Automatically retry failed autosuspends
PM / QoS: Remove redundant check
PM / OPP: Fix build when CONFIG_PM_OPP is not set
PM / Runtime: Fix runtime accounting calculation error
PM / Sleep: Update freezer documentation
PM / Sleep: Remove unused symbol 'suspend_cpu_hotplug'
PM / Sleep: Fix race between CPU hotplug and freezer
ACPI / PM: Add Sony VPCEB17FX to nonvs blacklist
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* git://www.linux-watchdog.org/linux-watchdog:
watchdog: Convert wm831x driver to watchdog core
watchdog: s3c2410: convert to use the watchdog framework
Documentation: watchdog: add guide how to convert drivers to new framework
watchdog: iTCO_wdt.c - problems with newer hardware due to SMI clearing
watchdog: Add WDIOC_GETTIMELEFT ioctl support to w83627 watchdog driver
watchdog: irq: Remove IRQF_DISABLED
watchdog: Octeon: Mark octeon_wdt interrupt as IRQF_NO_THREAD
watchdog: sc520_wdt: Remove unnecessary cast.
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* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (45 commits)
[SCSI] Fix block queue and elevator memory leak in scsi_alloc_sdev
[SCSI] scsi_dh_alua: Fix the time inteval for alua rtpg commands
[SCSI] scsi_transport_iscsi: Fix documentation os parameter
[SCSI] mv_sas: OCZ RevoDrive3 & zDrive R4 support
[SCSI] libfc: improve flogi retries to avoid lport stuck
[SCSI] libfc: avoid exchanges collision during lport reset
[SCSI] libfc: fix checking FC_TYPE_BLS
[SCSI] edd: Treat "XPRS" host bus type the same as "PCI"
[SCSI] isci: overriding max_concurr_spinup oem parameter by max(oem, user)
[SCSI] isci: revert bcn filtering
[SCSI] isci: Fix hard reset timeout conditions.
[SCSI] isci: No need to manage the pending reset bit on pending requests.
[SCSI] isci: Remove redundant isci_request.ttype field.
[SCSI] isci: Fix task management for SMP, SATA and on dev remove.
[SCSI] isci: No task_done callbacks in error handler paths.
[SCSI] isci: Handle task request timeouts correctly.
[SCSI] isci: Fix tag leak in tasks and terminated requests.
[SCSI] isci: Immediately fail I/O to removed devices.
[SCSI] isci: Lookup device references through requests in completions.
[SCSI] ipr: add definitions for additional adapter
...
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Fairly large code churn but not much doing with that and the overall
result is a definite win.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Make this driver a user of the watchdog framework and remove now
centrally handled parts. Tested on a mini2440.
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Redhat Bugzilla: Bug 727875 - TCO_EN bit is disabled by TCO driver
Jiri Slaby: 28d41f53f broke temperature sensors on a ICH10 chipset
The iTCO_wdt driver disables the SMI. This breaks good working of newer hardware.
The disabling of the SMI by the TCO logic dates back from the i810-tco driver
from Nils Faerber (around 28 July 2000). The reason for this was that some BIOSes
install handlers reset or disable the watchdog timer instead of resetting the system.
The trick to fix this was to disable the SMI (by clearing the SMI_TCO_EN bit of the
SMI_EN register) to prevent this from happening.
This however has strange effects on newer hardware. So we are in a situation that
a fix for broken old hardware affects newer hardware.
The correct solution is to make this fix an option (with the new module parameter:
turn_SMI_watchdog_clear_off) so that the default behaviour is the unfixed version.
the next patch will be to move this in the start and stop functions of the driver
and to add a new module parameter for the global_smi_en bit and to get rid of the
vendor_support code.
This fix can have an effect on old (typical ICH & ICH2 chipsets) motherboards that
have a broken BIOS implementation concerning TCO logic. In these case the module
parameter turn_SMI_watchdog_clear_off=1 will need to be added.
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Add WDIOC_GETTIMELEFT ioctl allowing you to check how much time is left
on the watchdog counter before a reset occurs.
Signed-off-by: Greg Lee <glee [at] swspec.com>
Signed-off-by: Padraig Brady <P@draigbrady.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Andrew Morton <akpm@google.com>
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This flag is a NOOP and can be removed now.
Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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This is to exclude it from force threading to allow RT patch set to work.
The watchdog timers are per-CPU and the addresses of register that reset
the timer are calculated based on the current CPU. Therefore we cannot
allow it to run on a thread on a different CPU. Also we only do a
single register write, which is much faster than scheduling a handler
thread.
And while on this line remove IRQF_DISABLED as this flag is a NOP.
Signed-off-by: Venkat Subbiah<venkat.subbiah@cavium.com>
Acked-by: David Daney<david.daney@cavium.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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The mark of conflict should be removed.
This happened at the commit fba9569924e0 ("Merge branch 'next' of
git://git.infradead.org/users/vkoul/slave-dma")
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
[ I always check the conflict resolution with "git diff" before I add
the result, but I clearly missed that this time, and didn't notice the
second conflict in that file after having fixed the first one.
Oops, my bad. - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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No one in their right mind would expect statfs() to not work on a
automounter managed mount point. Fix it.
[ I'm not sure about the "no one in their right mind" part. It's not
mounted, and you didn't ask for it to be mounted. But nobody will
really care, and this probably makes it match previous semantics, so..
- Linus ]
This mirrors the fix made to the quota code in 815d405ceff0d69646.
Signed-off-by: Dan McGee <dpmcgee@gmail.com>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* 'next' of git://git.infradead.org/users/vkoul/slave-dma: (63 commits)
dmaengine: mid_dma: mask_peripheral_interrupt only when dmac is idle
dmaengine/ep93xx_dma: add module.h include
pch_dma: Reduce wasting memory
pch_dma: Fix suspend issue
dma/timberdale: free_irq() on an error path
dma: shdma: transfer based runtime PM
dmaengine: shdma: protect against the IRQ handler
dmaengine i.MX DMA/SDMA: add missing include of linux/module.h
dmaengine: delete redundant chan_id and chancnt initialization in dma drivers
dmaengine/amba-pl08x: Check txd->llis_va before freeing dma_pool
dmaengine/amba-pl08x: Add support for sg len greater than one for slave transfers
serial: sh-sci: don't filter on DMA device, use only channel ID
ARM: SAMSUNG: Remove Samsung specific enum type for dma direction
ASoC: Samsung: Update DMA interface
spi/s3c64xx: Merge dma control code
spi/s3c64xx: Add support DMA engine API
ARM: SAMSUNG: Remove S3C-PL330-DMA driver
ARM: S5P64X0: Use generic DMA PL330 driver
ARM: S5PC100: Use generic DMA PL330 driver
ARM: S5PV210: Use generic DMA PL330 driver
...
Fix up fairly trivial conflicts in
- arch/arm/mach-exynos4/{Kconfig,clock.c}
- arch/arm/mach-s5p64x0/dma.c
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* 'for-3.2/drivers' of git://git.kernel.dk/linux-block: (30 commits)
virtio-blk: use ida to allocate disk index
hpsa: add small delay when using PCI Power Management to reset for kump
cciss: add small delay when using PCI Power Management to reset for kump
xen/blkback: Fix two races in the handling of barrier requests.
xen/blkback: Check for proper operation.
xen/blkback: Fix the inhibition to map pages when discarding sector ranges.
xen/blkback: Report VBD_WSECT (wr_sect) properly.
xen/blkback: Support 'feature-barrier' aka old-style BARRIER requests.
xen-blkfront: plug device number leak in xlblk_init() error path
xen-blkfront: If no barrier or flush is supported, use invalid operation.
xen-blkback: use kzalloc() in favor of kmalloc()+memset()
xen-blkback: fixed indentation and comments
xen-blkfront: fix a deadlock while handling discard response
xen-blkfront: Handle discard requests.
xen-blkback: Implement discard requests ('feature-discard')
xen-blkfront: add BLKIF_OP_DISCARD and discard request struct
drivers/block/loop.c: remove unnecessary bdev argument from loop_clr_fd()
drivers/block/loop.c: emit uevent on auto release
drivers/block/cpqarray.c: use pci_dev->revision
loop: always allow userspace partitions and optionally support automatic scanning
...
Fic up trivial header file includsion conflict in drivers/block/loop.c
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* 'for-3.2/core' of git://git.kernel.dk/linux-block: (29 commits)
block: don't call blk_drain_queue() if elevator is not up
blk-throttle: use queue_is_locked() instead of lockdep_is_held()
blk-throttle: Take blkcg->lock while traversing blkcg->policy_list
blk-throttle: Free up policy node associated with deleted rule
block: warn if tag is greater than real_max_depth.
block: make gendisk hold a reference to its queue
blk-flush: move the queue kick into
blk-flush: fix invalid BUG_ON in blk_insert_flush
block: Remove the control of complete cpu from bio.
block: fix a typo in the blk-cgroup.h file
block: initialize the bounce pool if high memory may be added later
block: fix request_queue lifetime handling by making blk_queue_cleanup() properly shutdown
block: drop @tsk from attempt_plug_merge() and explain sync rules
block: make get_request[_wait]() fail if queue is dead
block: reorganize throtl_get_tg() and blk_throtl_bio()
block: reorganize queue draining
block: drop unnecessary blk_get/put_queue() in scsi_cmd_ioctl() and blk_get_tg()
block: pass around REQ_* flags instead of broken down booleans during request alloc/free
block: move blk_throtl prototypes to block/blk.h
block: fix genhd refcounting in blkio_policy_parse_and_set()
...
Fix up trivial conflicts due to "mddev_t" -> "struct mddev" conversion
and making the request functions be of type "void" instead of "int" in
- drivers/md/{faulty.c,linear.c,md.c,md.h,multipath.c,raid0.c,raid1.c,raid10.c,raid5.c}
- drivers/staging/zram/zram_drv.c
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* git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-next:
Squashfs: Add an option to set dev block size to 4K
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wake TASK_KILLABLE tasks too"
Commit 27920651fe "PM / Freezer: Make fake_signal_wake_up() wake
TASK_KILLABLE tasks too" updated fake_signal_wake_up() used by freezer
to wake up KILLABLE tasks. Sending unsolicited wakeups to tasks in
killable sleep is dangerous as there are code paths which depend on
tasks not waking up spuriously from KILLABLE sleep.
For example. sys_read() or page can sleep in TASK_KILLABLE assuming
that wait/down/whatever _killable can only fail if we can not return
to the usermode. TASK_TRACED is another obvious example.
The previous patch updated wait_event_freezekillable() such that it
doesn't depend on the spurious wakeup. This patch reverts the
offending commit.
Note that the spurious KILLABLE wakeup had other implicit effects in
KILLABLE sleeps in nfs and cifs and those will need further updates to
regain freezekillable behavior.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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freezer_do_not_count/freezer_count
Commit 27920651fe "PM / Freezer: Make fake_signal_wake_up() wake
TASK_KILLABLE tasks too" updated fake_signal_wake_up() used by freezer
to wake up KILLABLE tasks. Sending unsolicited wakeups to tasks in
killable sleep is dangerous as there are code paths which depend on
tasks not waking up spuriously from KILLABLE sleep.
For example. sys_read() or page can sleep in TASK_KILLABLE assuming
that wait/down/whatever _killable can only fail if we can not return
to the usermode. TASK_TRACED is another obvious example.
The offending commit was to resolve freezer hang during system PM
operations caused by KILLABLE sleeps in network filesystems.
wait_event_freezekillable(), which depends on the spurious KILLABLE
wakeup, was added by f06ac72e92 "cifs, freezer: add
wait_event_freezekillable and have cifs use it" to be used to
implement killable & freezable sleeps in network filesystems.
To prepare for reverting of 27920651fe, this patch reimplements
wait_event_freezekillable() using freezer_do_not_count/freezer_count()
so that it doesn't depend on the spurious KILLABLE wakeup. This isn't
very nice but should do for now.
[tj: Refreshed patch to apply to linus/master and updated commit
description on Rafael's request.]
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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Originally, the runtime PM core would send an idle notification
whenever a suspend attempt failed. The idle callback routine could
then schedule a delayed suspend for some time later.
However this behavior was changed by commit
f71648d73c1650b8b4aceb3856bebbde6daa3b86 (PM / Runtime: Remove idle
notification after failing suspend). No notifications were sent, and
there was no clear mechanism to retry failed suspends.
This caused problems for the usbhid driver, because it fails
autosuspend attempts as long as a key is being held down. A companion
patch changes the PM core's behavior, but we also need to change the
USB core. In particular, this patch (as1493) updates the device's
last_busy time when an autosuspend fails, so that the PM core will
retry the autosuspend in the future when the delay time expires
again.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Henrik Rydberg <rydberg@euromail.se>
Cc: <stable@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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Originally, the runtime PM core would send an idle notification
whenever a suspend attempt failed. The idle callback routine could
then schedule a delayed suspend for some time later.
However this behavior was changed by commit
f71648d73c1650b8b4aceb3856bebbde6daa3b86 (PM / Runtime: Remove idle
notification after failing suspend). No notifications were sent, and
there was no clear mechanism to retry failed suspends.
This caused problems for the usbhid driver, because it fails
autosuspend attempts as long as a key is being held down. Therefore
this patch (as1492) adds a mechanism for retrying failed
autosuspends. If the callback routine updates the last_busy field so
that the next autosuspend expiration time is in the future, the
autosuspend will automatically be rescheduled.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Henrik Rydberg <rydberg@euromail.se>
Cc: <stable@kernel.org>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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Remove an "if" check, that repeats an equivalent one 6 lines above.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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Commit 03ca370fbf7b76d6d002380dbdc2cdc2319f9c80 (PM / OPP: Add
OPP availability change notifier) does not compile if CONFIG_PM_OPP
is not set:
arch/arm/plat-omap/omap-pm-noop.o: In function `opp_get_notifier':
include/linux/opp.h:103: multiple definition of `opp_get_notifier'
include/linux/opp.h:103: first defined here
Also fix incorrect comment.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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With delta type being int, its value is made zero
for all values of now > 0x80000000.
Hence fixing it.
Signed-off-by: venu byravarasu <vbyravarasu@nvidia.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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This patch:
* Substitutes some obsolete references to kernel/power/process.c by
kernel/freezer.c.
* Mentions kernel/freezer.c as being part of the "freezer" code along
with the rest of the files.
* Fixes a trivial typo.
Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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Remove the suspend_cpu_hotplug declaration, which doesn't correspond
to an existing variable.
[rjw: Added the changelog.]
Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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The CPU hotplug notifications sent out by the _cpu_up() and _cpu_down()
functions depend on the value of the 'tasks_frozen' argument passed to them
(which indicates whether tasks have been frozen or not).
(Examples for such CPU hotplug notifications: CPU_ONLINE, CPU_ONLINE_FROZEN,
CPU_DEAD, CPU_DEAD_FROZEN).
Thus, it is essential that while the callbacks for those notifications are
running, the state of the system with respect to the tasks being frozen or
not remains unchanged, *throughout that duration*. Hence there is a need for
synchronizing the CPU hotplug code with the freezer subsystem.
Since the freezer is involved only in the Suspend/Hibernate call paths, this
patch hooks the CPU hotplug code to the suspend/hibernate notifiers
PM_[SUSPEND|HIBERNATE]_PREPARE and PM_POST_[SUSPEND|HIBERNATE] to prevent
the race between CPU hotplug and freezer, thus ensuring that CPU hotplug
notifications will always be run with the state of the system really being
what the notifications indicate, _throughout_ their execution time.
Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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Another entry for the nonvs blacklist, as noted by a user in
https://bugzilla.redhat.com/show_bug.cgi?id=641789#c12
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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* 'for-linus' of git://github.com/cmetcalf-tilera/linux-tile:
arch/tile: factor out <arch/opcode.h> header
arch/tile: add the <arch> headers to the set of installed kernel headers
arch/tile: avoid exporting a symbol no longer used by gcc
arch/tile: avoid ISO namespace pollution with <asm/sigcontext.h>
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* 'nfs-for-3.2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (25 commits)
nfs: set vs_hidden on nfs4_callback_version4 (try #2)
pnfs-obj: Support for RAID5 read-4-write interface.
pnfs-obj: move to ore 03: Remove old raid engine
pnfs-obj: move to ore 02: move to ORE
pnfs-obj: move to ore 01: ore_layout & ore_components
pnfs-obj: Rename objlayout_io_state => objlayout_io_res
pnfs-obj: Get rid of objlayout_{alloc,free}_io_state
pnfs-obj: Return PNFS_NOT_ATTEMPTED in case of read/write_pagelist
pnfs-obj: Remove redundant EOF from objlayout_io_state
nfs: Remove unused variable from write.c
nfs: Fix unused variable warning from file.c
NFS: Remove no-op less-than-zero checks on unsigned variables.
NFS: Clean up nfs4_xdr_dec_secinfo()
NFS: Fix documenting comment for nfs_create_request()
NFS4: fix cb_recallany decode error
nfs4: serialize layoutcommit
SUNRPC: remove rpcbind clients destruction on module cleanup
SUNRPC: remove rpcbind clients creation during service registering
NFSd: call svc rpcbind cleanup explicitly
SUNRPC: cleanup service destruction
...
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
IB/qib: Fix panic in RC error flushing logic
IB/iser: DMA unmap TX bufs used for iSCSI/iSER headers
IB/iser: Use separate buffers for the login request/response
IB/mthca: Fix buddy->num_free allocation size
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Remove 'as' for as is no longer supported, and we can not use
'elevator=as' any more.
Signed-off-by: Wang Sheng-Hui <shhuiw@gmail.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix a typo (duplicated word) in Documentation/leds/leds-class.txt
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
Acked-by: Richard Purdie <rchard.purdie@linuxfoundation.org>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Removed the email for support and fixes for orphaned ip2 driver.
Signed-off-by: Marcos Paulo de Souza <marcos.mage@gmail.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Removed the reference of Roman Zippel, last maintainer, of orphaned
HFS filesystem.
Signed-off-by: Marcos Paulo de Souza <marcos.mage@gmail.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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After commit 38829dc9d7b4 ("Documentation/CodingStyle: flesh out if-else
examples") highlight that if _only_one_ branch of a conditional
statement is a single statement, then braces are to be used on both
branches.
Signed-off-by: Antonio Ospite <ospite@studenti.unina.it>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fixes the path to find the source files of the inotify subsystem.
Signed-off-by: Marcos Paulo de Souza <marcos.mage@gmail.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This adds minor grammatical fixes to the description of the keys in the
thinkpad-acpi documentation.
Signed-off-by: Kumar Appaiah <a.kumar@alumni.iitm.ac.in>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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- ns cgroup has been removed.
- it's true moving a task to another cgroup can fail.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Paul Menage <paul@paulmenage.org>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The following panic can occur when flushing a QP:
RIP: 0010:[<ffffffffa0168e8b>] [<ffffffffa0168e8b>] qib_send_complete+0x3b/0x190 [ib_qib]
RSP: 0018:ffff8803cdc6fc90 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff8803d84ba000 RCX: 0000000000000000
RDX: 0000000000000005 RSI: ffffc90015a53430 RDI: ffff8803d84ba000
RBP: ffff8803cdc6fce0 R08: ffff8803cdc6fc90 R09: 0000000000000001
R10: 00000000ffffffff R11: 0000000000000000 R12: ffff8803d84ba0c0
R13: ffff8803d84ba5cc R14: 0000000000000800 R15: 0000000000000246
FS: 0000000000000000(0000) GS:ffff880036600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 0000000000000034 CR3: 00000003e44f9000 CR4: 00000000000406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process qib/0 (pid: 1350, threadinfo ffff8803cdc6e000, task ffff88042728a100)
Stack:
53544c5553455201 0000000100000005 0000000000000000 ffff8803d84ba000
0000000000000000 0000000000000000 0000000000000000 0000000000000000
0000000000000000 0000000000000001 ffff8803cdc6fd30 ffffffffa0165d7a
Call Trace:
[<ffffffffa0165d7a>] qib_make_rc_req+0x36a/0xe80 [ib_qib]
[<ffffffffa0165a10>] ? qib_make_rc_req+0x0/0xe80 [ib_qib]
[<ffffffffa01698b3>] qib_do_send+0xf3/0xb60 [ib_qib]
[<ffffffff814db757>] ? thread_return+0x4e/0x777
[<ffffffffa01697c0>] ? qib_do_send+0x0/0xb60 [ib_qib]
[<ffffffff81088bf0>] worker_thread+0x170/0x2a0
[<ffffffff8108e530>] ? autoremove_wake_function+0x0/0x40
[<ffffffff81088a80>] ? worker_thread+0x0/0x2a0
[<ffffffff8108e1c6>] kthread+0x96/0xa0
[<ffffffff8100c1ca>] child_rip+0xa/0x20
[<ffffffff8108e130>] ? kthread+0x0/0xa0
[<ffffffff8100c1c0>] ? child_rip+0x0/0x20
RIP [<ffffffffa0168e8b>] qib_send_complete+0x3b/0x190 [ib_qib]
The RC error state flush logic in qib_make_rc_req() could return all
of the acked wqes and potentially have emptied the queue. It would
then unconditionally try return a flush completion via
qib_send_complete() for an invalid wqe, or worse a valid one that is
not queued. The panic results when the completion code tries to
maintain an MR reference count for a NULL MR.
This fix modifies logic to only send one completion per
qib_make_rc_req() call and changing the completion status from
IB_WC_SUCCESS to IB_WC_WR_FLUSH_ERR as the completions progress.
The outer loop will call as many times as necessary to flush the queue.
Reviewed-by: Ram Vepa <ram.vepa@qlogic.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux
* 'process_vm' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
[IA64] Wire up cross memory attach syscalls
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The current driver never does DMA unmapping on these buffers. Fix that
by adding DMA unmapping to the task cleanup callback, and DMA mapping to
the task init function (drop the headers_initialized micro-optimization).
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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The driver counted on the transactional nature of iSCSI login/text
flows and used the same buffer for both the request and the response.
We also went further and did DMA mapping only once, with
DMA_FROM_DEVICE, which violates the DMA mapping API. Fix that by
using different buffers, one for requests and one for responses, and
use the correct DMA mapping direction for each.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (144 commits)
[media] saa7134.h: Suppress compiler warnings when CONFIG_VIDEO_SAA7134_RC is not set
[media] it913x [VER 1.07] Support for single ITE 9135 devices
[media] Support for Terratec G1
[media] cx25821: off by one in cx25821_vidioc_s_input()
[media] media: tea5764: reconcile Kconfig symbol and macro
[media] omap_vout: Add poll() support
[media] omap3isp: preview: Add crop support on the sink pad
[media] omap3isp: preview: Rename min/max input/output sizes defines
[media] omap3isp: preview: Remove horizontal averager support
[media] omap3isp: Report the ISP revision through the media controller API
[media] omap3isp: ccdc: remove redundant operation
[media] omap3isp: Fix memory leaks in initialization error paths
[media] omap3isp: Add missing mutex_destroy() calls
[media] omap3isp: Move *_init_entities() functions to the init/cleanup section
[media] omap3isp: Move media_entity_cleanup() from unregister() to cleanup()
[media] MFC: Change MFC firmware binary name
[media] vb2: add vb2_get_unmapped_area in vb2 core
[media] v4l: Add v4l2 subdev driver for S5K6AAFX sensor
[media] v4l: Add AUTO option for the V4L2_CID_POWER_LINE_FREQUENCY control
[media] media: ov6650: stylistic improvements
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
hwmon: (w83627ehf) Add support for the W83627UHG
hwmon: (w83627ehf) Clean up probe function
hwmon: (w83627ehf) Properly report PECI and AMD-SI sensor types
hwmon: Use i2c_smbus_{read,write}_word_swapped
hwmon: (smsc47b397) Fix checkpatch errors
hwmon: (lm90) Make code more readable
hwmon: (lm90) Fix warnings
hwmon: (ibmaem) Avoid repeated memory allocations
hwmon: (ibmaem) Make instance initializations independent
hwmon: (ibmaem) Fix error paths
hwmon: (lm73) Make detection less problematic
hwmon: Avoid building drivers for powerpc that read/write ISA addresses
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (24 commits)
ALSA: hda/realtek - Skip invalid digital out pins
ALSA: hda/sigmatel - Automatically retrieve digital I/O widgets
ALSA: hda - Remove unused variables
ALSA: hda/realtek - Don't create alt-stream for capture when unnecessary
ALSA: hda - Add support for 92HD65 / 92HD66 family of codecs
ALSA: hda - Disable power-widget control for IDT 92HD83/93 as default
ALSA: hda - Check NO_PRESENCE pincfg default bit
ASoC: Ensure we always delay for WM8962 FLL when starting from SYSCLK
ASoC: Ensure the WM8962 oscillator and PLLs start up disabled
ASoC: Ensure WM8962 PLL registers are reset
ALSA: intel8x0 - Fix inclusion of kvm_para.h
ALSA: hda_hwdep: Fix possible buffer overflow
ASoC: Fix return value of wm5100_gpio_direction_out()
ASoC: WM8904: Set `invert' bit for Capture Switch
ASoC: Leave input audio data bit length settings untouched in wm8711_set_dai_fmt
ASoC: wm8711: Fix wrong mask for setting input audio data bit length select
ALSA: intel8x0: Improve performance in virtual environment
ALSA: hdspm - Enable all firmware ranges for PCI MADI/AES cards
ALSA: hdsp - Correct HDSP_VERSION_BIT constant, thus partly fixing RPM detection
ALSA: hdspm - Fix MADI channel format in the status ioctl
...
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* 'devicetree/merge' of git://git.secretlab.ca/git/linux-2.6:
dt: add empty of_machine_is_compatible
ahci: add DT binding for Calxeda AHCI controller
dt/platform: minor cleanup
dt: add empty of_alias_get_id() for non-dt builds
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