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  1. 08 Sep, 2014 3 commits
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  13. 28 Aug, 2014 19 commits
  15. 27 Aug, 2014 9 commits
    • Alex Williamson's avatar
      radeon: Test for PCI root bus before assuming bus->self · 0bd252de
      Alex Williamson authored 
      If we assign a Radeon device to a virtual machine, we can no longer
assume a fixed hardware topology, like the GPU having a parent device.
This patch simply adds a few pci_is_root_bus() tests to avoid passing
a NULL pointer to PCI access functions, allowing the radeon driver to
work in a QEMU 440FX machine with an assigned HD8570 on the emulated
PCI root bus.
Signed-off-by: default avatarAlex Williamson <alex.williamson@redhat.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
      0bd252de
    • Linus Torvalds's avatar
      Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid · ff0c57ac
      Linus Torvalds authored 
      Pull HID fixes from Jiri Kosina:

 - fixes for potential memory corruption problems in magicmouse and
   picolcd drivers (the HW would have to be manufactured to be
   deliberately evil to trigger those) which were found by Steven
   Vittitoe

 - fix for false error message appearing in dmesg from logitech-dj
   driver, from Benjamin Tissoires

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
  HID: picolcd: sanity check report size in raw_event() callback
  HID: magicmouse: sanity check report size in raw_event() callback
  HID: logitech-dj: prevent false errors to be shown
      ff0c57ac
    • Linus Torvalds's avatar
      Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs · 1fb00cbc
      Linus Torvalds authored 
      Pull btrfs fixes from Chris Mason:
 "The biggest of these comes from Liu Bo, who tracked down a hang we've
  been hitting since moving to kernel workqueues (it's a btrfs bug, not
  in the generic code).  His patch needs backporting to 3.16 and 3.15
  stable, which I'll send once this is in.

  Otherwise these are assorted fixes.  Most were integrated last week
  during KS, but I wanted to give everyone the chance to test the
  result, so I waited for rc2 to come out before sending"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: (24 commits)
  Btrfs: fix task hang under heavy compressed write
  Btrfs: fix filemap_flush call in btrfs_file_release
  Btrfs: fix crash on endio of reading corrupted block
  btrfs: fix leak in qgroup_subtree_accounting() error path
  btrfs: Use right extent length when inserting overlap extent map.
  Btrfs: clone, don't create invalid hole extent map
  Btrfs: don't monopolize a core when evicting inode
  Btrfs: fix hole detection during file fsync
  Btrfs: ensure tmpfile inode is always persisted with link count of 0
  Btrfs: race free update of commit root for ro snapshots
  Btrfs: fix regression of btrfs device replace
  Btrfs: don't consider the missing device when allocating new chunks
  Btrfs: Fix wrong device size when we are resizing the device
  Btrfs: don't write any data into a readonly device when scrub
  Btrfs: Fix the problem that the replace destroys the seed filesystem
  btrfs: Return right extent when fiemap gives unaligned offset and len.
  Btrfs: fix wrong extent mapping for DirectIO
  Btrfs: fix wrong write range for filemap_fdatawrite_range()
  Btrfs: fix wrong missing device counter decrease
  Btrfs: fix unzeroed members in fs_devices when creating a fs from seed fs
  ...
      1fb00cbc
    • Linus Torvalds's avatar
      Merge tag 'trace-fixes-v3.17-rc1-2' of... · c0fe5dcb
      Linus Torvalds authored 
      Merge tag 'trace-fixes-v3.17-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull trace buffer epoll hang fix from Steven Rostedt:
 "Josef Bacik found a bug in the ring_buffer_poll_wait() where the
  condition variable (waiters_pending) was set before being added to the
  poll queue via poll_wait().  This allowed for a small race window to
  happen where an event could come in, check the condition variable see
  it set to true, clear it, and then wake all the waiters.  But because
  the waiter set the variable before adding itself to the queue, the
  waker could have cleared the variable after it was set and then miss
  waking it up as it wasn't added to the queue yet.

  Discussing this bug, we realized that a memory barrier needed to be
  added too, for the rare case that something polls for a single trace
  event to happen (and just one, no more to come in), and miss the
  wakeup due to memory ordering.  Ideally, a memory barrier needs to be
  added on the writer side too, but as that will kill tracing
  performance and this is for a situation that tracing wasn't even
  designed for (who traces one instance of an event, use a printk
  instead!), this isn't worth adding the barrier.  But we can in the
  future add the barrier for when the buffer goes from empty to the
  first event, as that would cover this case"

* tag 'trace-fixes-v3.17-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  trace: Fix epoll hang when we race with new entries
      c0fe5dcb
    • Scot Doyle's avatar
      drm/i915: don't warn if backlight unexpectedly enabled · 813008cd
      Scot Doyle authored 
      BIOS or firmware can modify hardware state during suspend/resume,
for example on the Toshiba CB35 or Lenovo T400, so log a debug message
instead of a warning if the backlight is unexpectedly enabled.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=80930
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: default avatarScot Doyle <lkml14@scotdoyle.com>
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
      813008cd
    • Jiri Kosina's avatar
      HID: picolcd: sanity check report size in raw_event() callback · 844817e4
      Jiri Kosina authored 
      The report passed to us from transport driver could potentially be
arbitrarily large, therefore we better sanity-check it so that raw_data
that we hold in picolcd_pending structure are always kept within proper
bounds.

Cc: stable@vger.kernel.org
Reported-by: default avatarSteven Vittitoe <scvitti@google.com>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
      844817e4
    • Jiri Kosina's avatar
      HID: magicmouse: sanity check report size in raw_event() callback · c54def7b
      Jiri Kosina authored 
      The report passed to us from transport driver could potentially be
arbitrarily large, therefore we better sanity-check it so that
magicmouse_emit_touch() gets only valid values of raw_id.

Cc: stable@vger.kernel.org
Reported-by: default avatarSteven Vittitoe <scvitti@google.com>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
      c54def7b
    • Takashi Iwai's avatar
      ALSA: hda - Set up initial pins for Acer Aspire V5 · 1a22e775
      Takashi Iwai authored 
      Acer Aspire V5 doesn't set up the pins correctly at the cold boot
while the pins are corrected after the warm reboot.  This patch gives
the proper pin configs statically in the driver as a workaround.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=81561Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
      1a22e775
    • Tetsuo Handa's avatar
      tomoyo: Fix pathname calculation breakage. · 8fe7a268
      Tetsuo Handa authored 
      Commit 7177a9c4 ("fs: call rename2 if exists") changed
"struct inode_operations"->rename == NULL if
"struct inode_operations"->rename2 != NULL .

TOMOYO needs to check for both ->rename and ->rename2 , or
a system on (e.g.) ext4 filesystem won't boot.
Signed-off-by: default avatarTetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: default avatarSerge E. Hallyn <serge.hallyn@ubuntu.com>
      8fe7a268
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