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Commit a626ca6a6564 ("vm: fix vm_pgoff wrap in stack expansion") fixed
the case of an expanding mapping causing vm_pgoff wrapping when you had
downward stack expansion. But there was another case where IA64 and
PA-RISC expand mappings: upward expansion.
This fixes that case too.
Signed-off-by: Hugh Dickins <hughd@google.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/keithp/linux-2.6
* 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/keithp/linux-2.6:
drm/i915/lvds: Only act on lid notify when the device is on
drm/i915: fix intel_crtc_clock_get pipe reads after "cleanup cleanup"
drm/i915: Only enable the plane after setting the fb base (pre-ILK)
drm/i915/dp: Be paranoid in case we disable a DP before it is attached
drm/i915: Release object along create user fb error path
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Linux kernel excludes guard page when performing mlock on a VMA with
down-growing stack. However, some architectures have up-growing stack
and locking the guard page should be excluded in this case too.
This patch fixes lvm2 on PA-RISC (and possibly other architectures with
up-growing stack). lvm2 calculates number of used pages when locking and
when unlocking and reports an internal error if the numbers mismatch.
[ Patch changed fairly extensively to also fix /proc/<pid>/maps for the
grows-up case, and to move things around a bit to clean it all up and
share the infrstructure with the /proc bits.
Tested on ia64 that has both grow-up and grow-down segments - Linus ]
Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Tested-by: Tony Luck <tony.luck@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86:
eeepc-laptop: Use ACPI handle to identify rfkill port
[PATCH] sony-laptop: limit brightness range to DSDT provided ones
sony-laptop: report failures on setting LCD brightness
thinkpad-acpi: module autoloading for newer Lenovo ThinkPads.
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If we're using vga switcheroo, the device may be turned off
and poking it can return random state. This provokes an OOPS fixed
separately by 8ff887c847 (drm/i915/dp: Be paranoid in case we disable a
DP before it is attached). Trying to use and respond to events on a
device that has been turned off by the user is in principle a silly thing
to do.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@kernel.org
Signed-off-by: Keith Packard <keithp@keithp.com>
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Despite the fixes in 548f245ba6a31 (drm/i915: fix per-pipe reads after
"cleanup"), we missed one neighbouring read that was mistakenly replaced
with the reg value in 9db4a9c (drm/i915: cleanup per-pipe reg usage).
This was preventing us from correctly determining the mode the BIOS left
the panel in for machines that neither have an OpRegion nor access to
the VBT, (e.g. the EeePC 700).
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: stable@kernel.org
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Keith Packard <keithp@keithp.com>
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When enabling the plane, it is helpful to have already pointed that
plane to valid memory or else we may incur the wrath of a PGTBL_ER.
This code preserved the behaviour from the bad old days for unknown
reasons...
Found by assert_fb_bound_for_plane().
References: https://bugs.freedesktop.org/show_bug.cgi?id=36246
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Keith Packard <keithp@keithp.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'fix/asoc' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
ASoC: Fix CODEC DAI names for Goni
ASoC: Fix CODEC name in Goni
davinci-mcasp: fix _CBM_CFS pin directions
davinci-mcasp: fix _CBM_CFS hw_params
davinci-mcasp: use bitfield definitions for PDIR
ASoC: davinci-mcasp: correct tdm_slots limit
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
drm/radeon/kms: add pci id to acer travelmate quirk for 5730
drm/radeon: fix order of doing things in radeon_crtc_cursor_set
drm: mm: fix debug output
drm/radeon/kms: ATPX switcheroo fixes
drm/nouveau: Fix a crash at card takedown for NV40 and older cards
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* hpfs:
HPFS: Remove unused variable
HPFS: Move declaration up, so that there are no out-of-scope pointers
HPFS: Fix some unaligned accesses
HPFS: Fix endianity. Make hpfs work on big-endian machines
HPFS: Implement fsync for hpfs
HPFS: Fix a bug that filesystem was not marked dirty when remounting it
HPFS: Restrict uid and gid to 16-bit values
HPFS: When marking or clearing the dirty bit, sync the filesystem
HPFS: Use types with defined width
HPFS: Remove mark_inode_dirty
HPFS: Remove CR/LF conversion option
HPFS: Remove remaining locks
HPFS: Introduce a global mutex and lock it on every callback from VFS.
HPFS: Make HPFS compile on preempt and SMP
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Remove unused variable
Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Move declaration up, so that there are no out-of-scope pointers
Reported-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix some unaligned accesses
Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix endianity. Make hpfs work on big-endian machines.
Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Implement fsync for hpfs.
Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix a bug that filesystem was not marked dirty when remounting it
Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Restrict uid and gid to 16-bit values.
HPFS stores only 2 bytes in the EAs.
Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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When marking or clearing the dirty bit, sync the filesystem
Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use types with defined width
Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Remove mark_inode_dirty
HPFS doesn't use kernel's dirty inode indicator anyway because
writing an inode requires directory's mutex.
Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Remove CR/LF conversion option
It is unused anyway. It was used on 2.2 kernels or so.
Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Remove remaining locks
Because of a new global per-fs lock, no other locks are needed
Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Introduce a global mutex and lock it on every callback from VFS.
Performance doesn't matter, reviewing the whole code for locking correctness
would be too complicated, so simply lock it all.
Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Make HPFS compile on preempt and SMP
Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The ACPI notification we get from rfkill events on these machines gives
us all the information we need to identify the port that's changed. Do
so rather than assuming that it's always bus 1.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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The new style brightness control provides an operating range of 9 values
(seems consistent over a large number of models sharing the same
brightness control methods).
Read and use the minimum and maximum values to limit the backlight
interface between those boundaries.
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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Check if we were successful in setting the requested brightness and
report failure in that case.
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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The newer Lenovo ThinkPads have HKEY HID of LEN0068 instead
of IBM0068. Added new HID so that thinkpad_acpi module will
auto load on these newer Lenovo ThinkPads.
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: stable@kernel.org
Signed-off-by: Manoj Iyer <manoj.iyer@canonical.com>
Signed-off-by: Andy Lutomirski <luto@mit.edu>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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Fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=34082
Reported by: Sampo Laaksonen <zhamahn@gmail.com>
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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if object pin or object lookup in radeon_cursor_set fail, the function
could leave inconsistent mouse width and hight values in radeon_crtc
fixed by moving cursor width and height assignments after all
checks have passed
Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com>
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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The looping helper didn't do anything due to a superficial
semicolon. Furthermore one of the two dump functions suffered
from copy&paste fail.
While staring at the code I've also noticed that the replace
helper (currently unused) is a bit broken.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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into drm-fixes
* 'nouveau/drm-nouveau-fixes' of /ssd/git/drm-nouveau-next:
drm/nouveau: Fix a crash at card takedown for NV40 and older cards
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When we switch the display mux, also switch
the i2c mux. Also use the start and finish
methods to let the sbios know that the switch
is happening.
Should fix:
https://bugs.freedesktop.org/show_bug.cgi?id=35398
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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NV40 and older cards (pre NV50) reserve a vram bo for the vga memory at
card init. This bo is then freed at card shutdown. The problem is that
the ttm bo vram manager was already freed. So a crash occurs when the
vga bo is freed. The fix is to free the vga bo prior to freeing the ttm
bo vram manager. There might be other solutions but this seemed the
simplest to me.
Signed-off-by: Jimmy Rentz <jb17bsome@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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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:
perf tools: Makefile: Use gcc to determine ARCH
perf events, x86: Fix Intel Nehalem and Westmere last level cache event definitions
hw_breakpoints, powerpc: Fix CONFIG_HAVE_HW_BREAKPOINT off-case in ptrace_set_debugreg()
sh, hw_breakpoints: Fix racy access to ptrace breakpoints
arm, hw_breakpoints: Fix racy access to ptrace breakpoints
powerpc, hw_breakpoints: Fix racy access to ptrace breakpoints
x86, hw_breakpoints: Fix racy access to ptrace breakpoints
ptrace: Prepare to fix racy accesses on task breakpoints
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The original Makefile uses "uname -m" to determine ARCH.
This causes problem on x86 when compile perf tool on 32 bit
userspace with a 64 bit kernel.
bench/../../../arch/x86/lib/memcpy_64.S: Assembler messages:
bench/../../../arch/x86/lib/memcpy_64.S:28: Error: bad register name `%rdi'
This is because "uname -m" returns x86_64 and memcpy_64.S is
included in 32 bit build.
Reported-by: Riccardo Magliocchetti <riccardo.magliocchetti@gmail.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
Link: http://lkml.kernel.org/r/1304743274.3132.17.camel@localhost
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
cifs: handle errors from coalesce_t2
cifs: refactor mid finding loop in cifs_demultiplex_thread
cifs: sanitize length checking in coalesce_t2 (try #3)
cifs: check for bytes_remaining going to zero in CIFS_SessSetup
cifs: change bleft in decode_unicode_ssetup back to signed type
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This partially reverts commit e6e1e2593592a8f6f6380496655d8c6f67431266.
That commit changed the structure layout of the trace structure, which
in turn broke PowerTOP (1.9x generation) quite badly.
I appreciate not wanting to expose the variable in question, and
PowerTOP was not using it, so I've replaced the variable with just a
padding field - that way if in the future a new field is needed it can
just use this padding field.
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6:
[SCSI] fix oops in scsi_run_queue()
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Otherwise corrupted EFI partition tables can cause total confusion.
Signed-off-by: Timo Warns <warns@pre-sense.de>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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definitions
The Intel Nehalem offcore bits implemented in:
e994d7d23a0b: perf: Fix LLC-* events on Intel Nehalem/Westmere
... are wrong: they implemented _ACCESS as _HIT and counted OTHER_CORE_HIT* as
MISS even though its clearly documented as an L3 hit ...
Fix them and the Westmere definitions as well.
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Lin Ming <ming.m.lin@intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1299119690-13991-3-git-send-email-ming.m.lin@intel.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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ptrace_set_debugreg()
We make use of ptrace_get_breakpoints() / ptrace_put_breakpoints() to
protect ptrace_set_debugreg() even if CONFIG_HAVE_HW_BREAKPOINT if off.
However in this case, these APIs are not implemented.
To fix this, push the protection down inside the relevant ifdef.
Best would be to export the code inside
CONFIG_HAVE_HW_BREAKPOINT into a standalone function to cleanup
the ifdefury there and call the breakpoint ref API inside. But
as it is more invasive, this should be rather made in an -rc1.
Fixes this build error:
arch/powerpc/kernel/ptrace.c:1594: error: implicit declaration of function 'ptrace_get_breakpoints' make[2]: ***
Reported-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: LPPC <linuxppc-dev@lists.ozlabs.org>
Cc: Prasad <prasad@linux.vnet.ibm.com>
Cc: v2.6.33.. <stable@kernel.org>
Link: http://lkml.kernel.org/r/1304639598-4707-1-git-send-email-fweisbec@gmail.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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ssh://master.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into perf/urgent
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* 'for-linus' of git://github.com/at91linux/linux-2.6-at91:
at91: Add ARCH_ID and basic cpu macros definition for 5series chips family.
arm: at91: fix compiler warning for eb01 board build
arm: at91: minimal defconfig for at91x40 SoC
ARM: at91: AT91CAP9 has a macb device
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The logic in __get_user_pages() used to skip the stack guard page lookup
whenever the caller wasn't interested in seeing what the actual page
was. But Michel Lespinasse points out that there are cases where we
don't care about the physical page itself (so 'pages' may be NULL), but
do want to make sure a page is mapped into the virtual address space.
So using the existence of the "pages" array as an indication of whether
to look up the guard page or not isn't actually so great, and we really
should just use the FOLL_MLOCK bit. But because that bit was only set
for the VM_LOCKED case (and not all vma's necessarily have it, even for
mlock()), we couldn't do that originally.
Fix that by moving the VM_LOCKED check deeper into the call-chain, which
actually simplifies many things. Now mlock() gets simpler, and we can
also check for FOLL_MLOCK in __get_user_pages() and the code ends up
much more straightforward.
Reported-and-reviewed-by: Michel Lespinasse <walken@google.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6
* 'staging-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6:
staging: Remove a warning for drivers/staging/wlan-ng/cfg80211.c
staging: intel_sst: intelmid needs delay.h
staging: solo6x10: add select SND_PCM to fix build error
staging: usbip: vhci: fix oops on subsequent attach
staging: ft1000: Remove unnecessary EXPORT_SYMBOLs
staging: rts_pstor: use #ifdef instead of #if
staging: rts_pstor: Add <linux/vmalloc.h>
staging: gma500: Depend on X86
staging: olpc: Add <linux/delay.h>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
* 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6:
xHCI: Clear PLC in xhci_bus_resume()
USB: fix regression in usbip by setting has_tt flag
usb/isp1760: Report correct urb status after unlink
omap:usb: add regulator support for EHCI
mfd: Fix usbhs_enable error handling
usb: musb: gadget: Fix out-of-sync runtime pm calls
usb: musb: omap2430: Fix retention idle on musb peripheral only boards
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git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
ceph: do not call __mark_dirty_inode under i_lock
libceph: fix ceph_osdc_alloc_request error checks
ceph: handle ceph_osdc_new_request failure in ceph_writepages_start
libceph: fix ceph_msg_new error path
ceph: use ihold() when i_lock is held
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6:
[media] ngene: Fix CI data transfer regression Fix CI data transfer regression introduced by previous cleanup.
[media] v4l: make sure drivers supply a zeroed struct v4l2_subdev
[media] Missing frontend config for LME DM04/QQBOX
[media] rc_core: avoid kernel oops when rmmod saa7134
[media] imon: add conditional locking in change_protocol
[media] rc: show RC_TYPE_OTHER in sysfs
[media] ite-cir: modular build on ppc requires delay.h include
[media] mceusb: add Dell transceiver ID
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