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  1. 05 Apr, 2013 8 commits
  3. 04 Apr, 2013 15 commits
  5. 03 Apr, 2013 17 commits
    • Linus Torvalds's avatar
      Merge branch 'fixes' of git://git.linaro.org/people/rmk/linux-arm · 66ade474
      Linus Torvalds authored 
      Pull ARM fixes from Russell King:
 "Another round of ARM fixes, which include:
   - Fixing a problem with LPAE mapping sections
   - Reporting of some hwcaps on Krait CPUs
   - Avoiding repetitive warnings in the breakpoint code
   - Fixing a build error noticed on Dove platforms with PJ4 CPUs
   - Fix masking of level 2 cache revision.
   - Fixing timer-based udelay()
   - A larger fix for an erratum causing people major grief with Cortex
     A15 CPUs"

* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
  ARM: 7690/1: mm: fix CONFIG_LPAE typos
  ARM: 7689/1: add unwind annotations to ftrace asm
  ARM: 7685/1: delay: use private ticks_per_jiffy field for timer-based delay ops
  ARM: 7684/1: errata: Workaround for Cortex-A15 erratum 798181 (TLBI/DSB operations)
  ARM: 7682/1: cache-l2x0: fix masking of RTL revision numbering and set_debug init
  ARM: iWMMXt: always enable iWMMXt support with PJ4 CPUs
  ARM: 7681/1: hw_breakpoint: use warn_once to avoid spam from reset_ctrl_regs()
  ARM: 7678/1: Work around faulty ISAR0 register in some Krait CPUs
  ARM: 7680/1: Detect support for SDIV/UDIV from ISAR0 register
  ARM: 7679/1: Clear IDIVT hwcap if CONFIG_ARM_THUMB=n
  ARM: 7677/1: LPAE: Fix mapping in alloc_init_section for unaligned addresses
  ARM: KVM: vgic: take distributor lock on sync_hwstate path
  ARM: KVM: vgic: force EOIed LRs to the empty state
      66ade474
    • Linus Torvalds's avatar
      Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 · cbfa0e72
      Linus Torvalds authored 
      Pull ext4 fixes from Ted Ts'o:
 "Unfortunately, we introduced some big-endian bugs during the last
  merge window.  Fortunately, Cai and Christian noticed before 3.9
  shipped."

* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
  ext4: fix big-endian bugs which could cause fs corruptions
      cbfa0e72
    • Linus Torvalds's avatar
      Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs · cd0e4a9d
      Linus Torvalds authored 
      Pull reiserfs fix from Jan Kara:
 "A fix for reiserfs xattr bug exposed by changes to lookup_one_len()"

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  reiserfs: Fix warning and inode leak when deleting inode with xattrs
      cd0e4a9d
    • Linus Torvalds's avatar
      Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux · 17eb3d8f
      Linus Torvalds authored 
      Pull s390 fixes from Martin Schwidefsky:
 "Just a bunch of bugfixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/mm: provide emtpy check_pgt_cache() function
  s390/uaccess: fix page table walk
  s390/3270: fix minor_start issue
  s390/uaccess: fix clear_user_pt()
  s390/scm_blk: fix error return code in scm_blk_init()
  s390/scm_block: fix printk format string
  drivers/Kconfig: add several missing GENERIC_HARDIRQS dependencies
      17eb3d8f
    • Zheng Liu's avatar
      ext4: fix big-endian bugs which could cause fs corruptions · 8cde7ad1
      Zheng Liu authored 
      When an extent was zeroed out, we forgot to do convert from cpu to le16.
It could make us hit a BUG_ON when we try to write dirty pages out.  So
fix it.

[ Also fix a bug found by Dmitry Monakhov where we were missing
  le32_to_cpu() calls in the new indirect punch hole code.

  There are a number of other big endian warnings found by static code
  analyzers, but we'll wait for the next merge window to fix them all
  up.  These fixes are designed to be Obviously Correct by code
  inspection, and easy to demonstrate that it won't make any
  difference (and hence, won't introduce any bugs) on little endian
  architectures such as x86.  --tytso ]
Signed-off-by: default avatarZheng Liu <wenqing.lz@taobao.com>
Signed-off-by: default avatar"Theodore Ts'o" <tytso@mit.edu>
Reported-by: default avatarCAI Qian <caiqian@redhat.com>
Reported-by: default avatarChristian Kujau <lists@nerdbynature.de>
Cc: Dmitry Monakhov <dmonakhov@openvz.org>
      8cde7ad1
    • Paul Bolle's avatar
      ARM: 7690/1: mm: fix CONFIG_LPAE typos · 4e1db26a
      Paul Bolle authored 
      CONFIG_LPAE doesn't exist: the correct option is CONFIG_ARM_LPAE, so fix
up the two typos under arch/arm/.

The fix to head.S is slightly scary, but this is just for setting up
an early io-mapping for the serial port when running on a big-endian,
LPAE system. Since these systems don't exist in the wild (at least, I
have no access to one outside of kvmtool, which doesn't provide a serial
port suitable for earlyprintk), then we can revisit the code later if it
causes any problems.
Signed-off-by: default avatarPaul Bolle <pebolle@tiscali.nl>
Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
      4e1db26a
    • Rabin Vincent's avatar
      ARM: 7689/1: add unwind annotations to ftrace asm · b21e023b
      Rabin Vincent authored 
      Add unwind annotations to the ftrace assembly code so that the function
tracer's stacktracing options (func_stack_trace, etc.) work when
CONFIG_ARM_UNWIND is enabled.
Signed-off-by: default avatarRabin Vincent <rabin@rab.in>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
      b21e023b
    • Will Deacon's avatar
      ARM: 7685/1: delay: use private ticks_per_jiffy field for timer-based delay ops · 6f3d90e5
      Will Deacon authored 
      Commit 70264367 ("ARM: 7653/2: do not scale loops_per_jiffy when
using a constant delay clock") fixed a problem with our timer-based
delay loop, where loops_per_jiffy is scaled by cpufreq yet used directly
by the timer delay ops.

This patch fixes the problem in a more elegant way by keeping a private
ticks_per_jiffy field in the delay ops, independent of loops_per_jiffy
and therefore not subject to scaling. The loop-based delay continues to
use loops_per_jiffy directly, as it should.
Acked-by: default avatarNicolas Pitre <nico@linaro.org>
Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
      6f3d90e5
    • Catalin Marinas's avatar
      ARM: 7684/1: errata: Workaround for Cortex-A15 erratum 798181 (TLBI/DSB operations) · 93dc6887
      Catalin Marinas authored 
      On Cortex-A15 (r0p0..r3p2) the TLBI/DSB are not adequately shooting down
all use of the old entries. This patch implements the erratum workaround
which consists of:

1. Dummy TLBIMVAIS and DSB on the CPU doing the TLBI operation.
2. Send IPI to the CPUs that are running the same mm (and ASID) as the
   one being invalidated (or all the online CPUs for global pages).
3. CPU receiving the IPI executes a DMB and CLREX (part of the exception
   return code already).
Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
      93dc6887
    • Rob Herring's avatar
      ARM: 7682/1: cache-l2x0: fix masking of RTL revision numbering and set_debug init · 6e7aceeb
      Rob Herring authored 
      Commit b8db6b88 (ARM: 7547/4: cache-l2x0: add support for Aurora L2 cache
ctrl) moved the masking of the part ID which caused the RTL version to be
lost. Commit 6248d060 (ARM: 7545/1: cache-l2x0: make outer_cache_fns a
field of l2x0_of_data) changed how .set_debug is initialized. Both commits
break commit 74ddcdb8 (ARM: 7608/1: l2x0: Only set .set_debug
on PL310 r3p0 and earlier) which uses the RTL version to conditionally set
.set_debug function pointer. Commit b8db6b88 also caused the printed cache
ID to be missing the version information.

Fix this by reverting how the part number is masked so the RTL version
info is maintained. The cache-id-part DT property does not set the RTL
bits so masking them should have no effect. Also, re-arrange the order
of the function pointer init so the .set_debug function can be overridden.
Reported-by: default avatarPaolo Pisati <paolo.pisati@canonical.com>
Signed-off-by: default avatarRob Herring <rob.herring@calxeda.com>
Cc: Gregory CLEMENT <gregory.clement@free-electrons.com>
Cc: Yehuda Yitschak <yehuday@marvell.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
      6e7aceeb
    • Russell King's avatar
      ARM: iWMMXt: always enable iWMMXt support with PJ4 CPUs · 698613b6
      Russell King authored 
      Jason Cooper reports these build errors:
arch/arm/kernel/built-in.o: In function `iwmmxt_do':
/.../arch/arm/kernel/pj4-cp0.c:36: undefined reference to `iwmmxt_task_release'
/.../arch/arm/kernel/pj4-cp0.c:40: undefined reference to `iwmmxt_task_switch'
make: *** [vmlinux] Error 1

This is caused because the PJ4 code explicitly references the iWMMXt
code, but doesn't require it to be built.  Fix this by ensuring that
iWMMXt is always enabled with PJ4.
Reported-by: default avatarJason Cooper <jason@lakedaemon.net>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
      698613b6
    • Torstein Hegge's avatar
      ALSA: usb: Work around CM6631 sample rate change bug · 690a863f
      Torstein Hegge authored 
      The C-Media CM6631 USB receiver doesn't respond to changes in sample rate
while the interface is active. The same behavior is observed in other UAC2
hardware like the VIA VT1731.

Reset the interface after setting the sampling frequency on sample rate
changes, to ensure that the sample rate set by snd_usb_init_sample_rate() is
used. Otherwise, the device will try to use the sample rate of the previous
stream, causing distorted sound on sample rate changes.

The reset is performed for all UAC2 devices, as it should not affect a
standards compliant device, but it is only necessary for C-Media CM6631,
VIA VT1731 and possibly others.

Failure to read sample rate from the device is not handled as an error in
set_sample_rate_v2(), as (permanent or intermittent) failure to read sample
rate isn't essential for a successful sample rate set.
Signed-off-by: default avatarTorstein Hegge <hegge@resisty.net>
Acked-by: default avatarClemens Ladisch <clemens@ladisch.de>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
      690a863f
    • Tony Luck's avatar
      ACPI / BGRT: Don't let users configure BGRT on non X86 systems · e66cd537
      Tony Luck authored 
      Fengguang Wu's 0-Day kernel build testing backend found the
following build error for an allmodconfig build on ia64:

   drivers/built-in.o: In function `show_yoffset':
>> bgrt.c:(.text+0xe5a71): undefined reference to `bgrt_tab'
>> bgrt.c:(.text+0xe5a91): undefined reference to `bgrt_tab'
   drivers/built-in.o: In function `show_xoffset':
>> bgrt.c:(.text+0xe5b51): undefined reference to `bgrt_tab'
>> bgrt.c:(.text+0xe5b71): undefined reference to `bgrt_tab'
   drivers/built-in.o: In function `show_type':
>> bgrt.c:(.text+0xe5c31): undefined reference to `bgrt_tab'
   drivers/built-in.o:bgrt.c:(.text+0xe5c51): more undefined references to `bgrt_tab' follow
   drivers/built-in.o: In function `bgrt_init':
   bgrt.c:(.init.text+0x8931): undefined reference to `bgrt_image'
   bgrt.c:(.init.text+0x8932): undefined reference to `bgrt_image_size'
   bgrt.c:(.init.text+0x8950): undefined reference to `bgrt_image'
   bgrt.c:(.init.text+0x8960): undefined reference to `bgrt_image_size'

The problem is that all these undefined names are provided by
arch/x86/platform/efi/efi-bgrt.c - which is obviously not available
to the ia64 build.

It doesn't seem useful to provide the BGRT support for Itanium
(many systems are headless and have no graphics at all). So
just don't let users configure this driver on non-X86 machines.
Reported-by: default avatarFengguang Wu <fengguang.wu@intel.com>
Acked-by: default avatarH. Peter Anvin <hpa@zytor.com>
Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
      e66cd537
    • Linus Torvalds's avatar
      Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net · da241efc
      Linus Torvalds authored 
      Pull networking fixes from David Miller:

 1) Fix VSOCK layer handling of context ID changes, from Reilly Grant.

 2) Now that we have a synchronize_net() in netdev_rx_handler_unregister(),
    we can't let any call sites hold locks.  Unfortunately bonding does,
    so we have to drop the rwlock there a little bit earlier, fix from
    Veaceslav Falico.

 3) MAC address setting loop exits one iteration too early in mlx4
    driver, from Yan Burman.

 4) Restore ipv6 routes properly upon ifdown/ifup of loopback, from
    Balakumaran Kannan.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
  VSOCK: Handle changes to the VMCI context ID.
  net IPv6 : Fix broken IPv6 routing table after loopback down-up
  cbq: incorrect processing of high limits
  net/mlx4_en: Fix setting initial MAC address
  bonding: get netdev_rx_handler_unregister out of locks
      da241efc
    • Linus Torvalds's avatar
      Merge tag 'regmap-v3.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap · 6e8517a9
      Linus Torvalds authored 
      Pull regmap fixes from Mark Brown:
 "A small collection of fixes.  The most important ones are those from
  Stephen and Lars-Peter both of which fix cache issues that have been
  lurking for a while but not manifesting noticably enough for anyone to
  report them."

* tag 'regmap-v3.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: async: Add missing return
  regmap: don't corrupt work buffer in _regmap_raw_write()
  regmap: cache Fix regcache-rbtree sync
  regmap: Initialize `map->debugfs' before regcache
      6e8517a9
    • Linus Torvalds's avatar
      Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux · bd709bd0
      Linus Torvalds authored 
      Pull DRM fixes from Dave Airlie:
 "Two core fixes, both regressions, along with some intel and some
  nouveau fixes for regressions and oopses"

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm: correctly restore mappings if drm_open fails
  drm/nouveau: fix NULL ptr dereference from nv50_disp_intr()
  drm/nouveau: fix handling empty channel list in ioctl's
  drm: don't unlock in the addfb error paths
  drm/i915: Fix build failure
  drm/i915: Be sure to turn hsync/vsync back on at crt enable (v2)
  drm/i915: duct-tape locking when eDP init fails
      bd709bd0
    • Linus Torvalds's avatar
      Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus · aea7fab8
      Linus Torvalds authored 
      Pull MIPS fixes from Ralf Baechle:
 "A collection of fixes pretty much across the MIPS code.  Even the
  change to include/linux/signal.h by David Howells' 2a148698 ("Fix
  breakage in MIPS siginfo handling") should be considered MIPS-specific
  as it touches an ifdefed segment that is only relevant to MIPS and
  which unfortunately can't be made to go away entirely."

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
  Fix breakage in MIPS siginfo handling
  Revert "MIPS: BCM63XX: Call board_register_device from device_initcall()"
  MIPS: BCM63XX: Make nvram checksum failure non fatal
  MIPS: Fix code generation for non-DSP capable CPUs
  MIPS: Fix inconsistent formatting inside /proc/cpuinfo
  MIPS: SEAD3: Enable LL/SC.
  MIPS: Get rid of CONFIG_CPU_HAS_LLSC again
  MIPS: Add dependencies for HAVE_ARCH_TRANSPARENT_HUGEPAGE
  MIPS: VR4133: Fix probe for LL/SC.
  MIPS: Fix logic errors in bitops.c
  MIPS: Use CONFIG_CPU_MIPSR2 in csum_partial.S
  MIPS: compat: Return same error ENOSYS as native for invalid operation.
      aea7fab8
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