Commit Graph

349285 Commits

Author SHA1 Message Date
Linus Torvalds
9a9284153d Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
 "A bunch of intel and radeon fixes, along with two fixes to TTM code.

  The correct fix for the Intel ironlake failure is in this, and should
  make things more stable, along with some misc radeon fixes."

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  ttm: on move memory failure don't leave a node dangling
  ttm: don't destroy old mm_node on memcpy failure
  Revert "drm/radeon: do not move bo to different placement at each cs"
  drm/i915: fix FORCEWAKE posting reads
  drm/i915: Invalidate the relocation presumed_offsets along the slow path
  drm/i915/eDP: do not write power sequence registers for ghost eDP
  drm/radeon: improve semaphore debugging on lockup
  drm/radeon: allow FP16 color clear registers on r500
  drm/radeon: clear reset flags if engines are idle
  drm/i915: Record DERRMR, FORCEWAKE and RING_CTL in error-state
2013-01-20 20:55:49 -08:00
Linus Torvalds
ee61abb322 module: fix missing module_mutex unlock
Commit 1fb9341ac3 ("module: put modules in list much earlier") moved
some of the module initialization code around, and in the process
changed the exit paths too.  But for the duplicate export symbol error
case the change made the ddebug_cleanup path jump to after the module
mutex unlock, even though it happens with the mutex held.

Rusty has some patches to split this function up into some helper
functions, hopefully the mess of complex goto targets will go away
eventually.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-01-20 20:22:58 -08:00
Dave Airlie
014b34409f ttm: on move memory failure don't leave a node dangling
if we have a move notify callback, when moving fails, we call move notify
the opposite way around, however this ends up with *mem containing the mm_node
from the bo, which means we double free it. This is a follow on to the previous
fix.

Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-01-21 13:45:23 +10:00
Dave Airlie
630541863b ttm: don't destroy old mm_node on memcpy failure
When we are using memcpy to move objects around, and we fail to memcpy
due to lack of memory to populate or failure to finish the copy, we don't
want to destroy the mm_node that has been copied into old_copy.

While working on a new kms driver that uses memcpy, if I overallocated bo's
up to the memory limits, and eviction failed, then machine would oops soon
after due to having an active bo with an already freed drm_mm embedded in it,
freeing it a second time didn't end well.

Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-01-21 13:45:02 +10:00
Dave Airlie
ffb5fd53ef Merge branch 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel into drm-next
More important fixes for 3.9:
- error_state improvements to help debug the new scanline wait code added
  for gen6+ - bug reports started popping up :( patch from Chris Wilson.
- fix a panel power sequence confusion between the eDP and lvds detection
  code resulting in black screens - regression introduce in 3.8 (Jani
  Nikula)
- Chris fixed the root-cause of the ilk relocation vs. evict bug.
- Another piece of cargo-culted rc6 lore from Jani, fixes up a regression
  where a system refused to go into rc6 after suspend sometimes.

* 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel:
  drm/i915: fix FORCEWAKE posting reads
  drm/i915: Invalidate the relocation presumed_offsets along the slow path
  drm/i915/eDP: do not write power sequence registers for ghost eDP
  drm/i915: Record DERRMR, FORCEWAKE and RING_CTL in error-state
2013-01-21 13:25:30 +10:00
Dave Airlie
a3f5aed42f Merge branch 'drm-fixes-3.8' of git://people.freedesktop.org/~agd5f/linux into drm-next
A number of fixes, and one revert for a patch having some wierd side effects.

* 'drm-fixes-3.8' of git://people.freedesktop.org/~agd5f/linux:
  Revert "drm/radeon: do not move bo to different placement at each cs"
  drm/radeon: improve semaphore debugging on lockup
  drm/radeon: allow FP16 color clear registers on r500
  drm/radeon: clear reset flags if engines are idle
2013-01-21 13:24:12 +10:00
Linus Torvalds
226364766f Various minor fixes, but a slightly more complex one to fix the per-cpu overload
problem introduced recently by kvm id changes.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux

Pull module fixes and a virtio block fix from Rusty Russell:
 "Various minor fixes, but a slightly more complex one to fix the
  per-cpu overload problem introduced recently by kvm id changes."

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
  module: put modules in list much earlier.
  module: add new state MODULE_STATE_UNFORMED.
  module: prevent warning when finit_module a 0 sized file
  virtio-blk: Don't free ida when disk is in use
2013-01-20 16:44:28 -08:00
Linus Torvalds
3a142ed962 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal
Pull misc syscall fixes from Al Viro:

 - compat syscall fixes (discussed back in December)

 - a couple of "make life easier for sigaltstack stuff by reducing
   inter-tree dependencies"

 - fix up compiler/asmlinkage calling convention disagreement of
   sys_clone()

 - misc

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal:
  sys_clone() needs asmlinkage_protect
  make sure that /linuxrc has std{in,out,err}
  x32: fix sigtimedwait
  x32: fix waitid()
  switch compat_sys_wait4() and compat_sys_waitid() to COMPAT_SYSCALL_DEFINE
  switch compat_sys_sigaltstack() to COMPAT_SYSCALL_DEFINE
  CONFIG_GENERIC_SIGALTSTACK build breakage with asm-generic/syscalls.h
  Ensure that kernel_init_freeable() is not inlined into non __init code
2013-01-20 13:58:48 -08:00
Oleg Nesterov
edea0d03ee ia64: kill thread_matches(), unexport ptrace_check_attach()
The ia64 function "thread_matches()" has no users since commit
e868a55c2a ("[IA64] remove find_thread_for_addr()").  Remove it.

This allows us to make ptrace_check_attach() static to kernel/ptrace.c,
which is good since we'll need to change the semantics of it and fix up
all the callers.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-01-20 12:26:05 -08:00
Ilya Dryomov
25122d15e2 Btrfs: reorder locks and sanity checks in btrfs_ioctl_defrag
Operation-specific check (whether subvol is readonly or not) should go
after the mutual exclusiveness check.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2013-01-20 16:21:22 +02:00
Ilya Dryomov
4ac20c70b0 Btrfs: fix unlock order in btrfs_ioctl_rm_dev
Fix unlock order in btrfs_ioctl_rm_dev().

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2013-01-20 16:21:21 +02:00
Ilya Dryomov
18f39c416d Btrfs: fix unlock order in btrfs_ioctl_resize
Fix unlock order in btrfs_ioctl_resize().

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2013-01-20 16:21:20 +02:00
Ilya Dryomov
2c0c9da02a Btrfs: fix "mutually exclusive op is running" error code
The error code that is returned in response to starting a mutually
exclusive operation when there is one already running got silently
changed from EINVAL to EINPROGRESS by 5ac00add.  Returning EINPROGRESS
to, say, add_dev, when rm_dev is running is misleading.  Furthermore,
the operation itself may want to use EINPROGRESS for other purposes.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2013-01-20 16:21:18 +02:00
Ilya Dryomov
ed0fb78fb6 Btrfs: bring back balance pause/resume logic
Balance pause/resume logic got broken by 5ac00add (went in into 3.8-rc1
as part of dev-replace merge).  Offending commit took a stab at making
mutually exclusive volume operations (add_dev, rm_dev, resize, balance,
replace_dev) not block behind volume_mutex if another such operation is
in progress and instead return an error right away.  Balancing front-end
relied on the blocking behaviour, so the fix is ugly, but short of a
complete rework, it's the best we can do.

Reported-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2013-01-20 16:21:17 +02:00
Al Viro
b1e0318b8c sys_clone() needs asmlinkage_protect
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-01-19 22:13:34 -05:00
Al Viro
43b1682024 make sure that /linuxrc has std{in,out,err}
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-01-19 13:29:54 -05:00
Russell King
210b1847b3 Merge branch 'for-rmk/virt/hyp-boot/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into fixes 2013-01-19 15:27:30 +00:00
Santosh Shilimkar
93d5bf073a ARM: 7629/1: mm: Fix missing XN flag for for MT_MEMORY_SO
Commit 8fb54284ba {ARM: mm: Add strongly ordered descriptor support}
added XN flag at section level but missed it at PTE level.

Fix it by adding the L_PTE_XN to MT_MEMORY_SO PTE descriptor.

Reported-by: Richard Woodruff <r-woodruff2@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-01-19 11:41:25 +00:00
Takashi Iwai
ec50b4cea6 ALSA: hda - Add fixup for Acer AO725 laptop
Acer AO725 needs the same fixup as AO756.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=52181

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-01-19 12:17:54 +01:00
Russell King
15653371c6 ARM: DMA: Fix struct page iterator in dma_cache_maint() to work with sparsemem
Subhash Jadavani reported this partial backtrace:
  Now consider this call stack from MMC block driver (this is on the ARMv7
  based board):

  [<c001b50c>] (v7_dma_inv_range+0x30/0x48) from [<c0017b8c>] (dma_cache_maint_page+0x1c4/0x24c)
  [<c0017b8c>] (dma_cache_maint_page+0x1c4/0x24c) from [<c0017c28>] (___dma_page_cpu_to_dev+0x14/0x1c)
  [<c0017c28>] (___dma_page_cpu_to_dev+0x14/0x1c) from [<c0017ff8>] (dma_map_sg+0x3c/0x114)

This is caused by incrementing the struct page pointer, and running off
the end of the sparsemem page array.  Fix this by incrementing by pfn
instead, and convert the pfn to a struct page.

Cc: <stable@vger.kernel.org>
Suggested-by: James Bottomley <JBottomley@Parallels.com>
Tested-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-01-19 11:05:57 +00:00
Lans Zhang
2521686539 ACPI, APEI: Fixup incorrect 64-bit access width firmware bug
The bit width check was introduced by 15afae60 (ACPI, APEI: Fix
incorrect APEI register bit width check and usage), and a fixup
for incorrect 32-bit width memory address was given by f712c71
(ACPI, APEI: Fixup common access width firmware bug). Now there
is a similar symptom:

[Firmware Bug]: APEI: Invalid bit width + offset in GAR [0x12345000/64/0/3/0]

Another bogus BIOS reports an incorrect 64-bit width in trigger table.
Thus, apply to a similar workaround for 64-bit width memory address.

Signed-off-by: Lans Zhang <jia.zhang@windriver.com>
Acked-by: Gary Hade <garyhade@us.ibm.com>
Acked-by: Myron Stowe <myron.stowe@redhat.com>
Acked-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-01-19 01:34:43 +01:00
Jon Hunter
bdcc612752 ARM: OMAP2: Fix missing omap2xxx_clkt_vps_late_init function calls
During the migration to the common clock framework, calls to the
functions omap2xxx_clkt_vps_late_init() were not preserved for
OMAP2420 and OMAP2430. This causes the variables "sys_ck_rate" and
"curr_prcm_set" to be uninitialised on boot. On reboot, this causes the
following error message to be displayed because the appropriate MPU
clock frequency (derived from sys_ck_rate) cannot be found.

"Could not set MPU rate to 4294MHz"

Fix this by adding back calls to omap2xxx_clkt_vps_late_init() in the
OMAP2420 and OMAP2430 clock initialisation code.

Signed-off-by: Jon Hunter <jon-hunter@ti.com>
[paul@pwsan.com: dropped the duplicated call to
 omap2xxx_clkt_vps_check_bootloader_rates() after consultation with Jon;
 updated patch description]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-01-18 16:48:16 -07:00
Peter Ujfalusi
12d82e4b0a ARM: OMAP4: hwmod_data: Correct IDLEMODE for McPDM
McPDM need to be configured to NO_IDLE mode when it is in used otherwise
vital clocks will be gated which results 'slow motion' audio playback.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
[paul@pwsan.com: copy patch description into hwmod data comments]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-01-18 16:48:16 -07:00
Peter Ujfalusi
981827a2b7 ARM: OMAP4: clock data: Lock ABE DPLL on all revisions
To avoid issues with audio caused by non locked ABE DPLL we should
make sure it is locked in all OMAP4 revisions.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Jon Hunter <jon-hunter@ti.com>
[paul@pwsan.com: cleaned up patch description]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-01-18 16:48:15 -07:00
Thomas Schlichter
f427e5f1cf ACPI / processor: Get power info before updating the C-states
acpi_processor_get_power_info() has to be called before
acpi_processor_setup_cpuidle_states() to have the latest
information available. This fixes the missing C-state information
after AC-->DC transition.

Signed-off-by: Thomas Schlichter <thomas.schlichter@web.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-01-19 00:28:22 +01:00
Linus Torvalds
5da1f88b8b USB fixes for 3.8-rc4
Here are 3 USB patches for 3.8-rc4.  Two of them are new device id
 patches, and the third fixes a reported oops in the io_ti USB serial
 driver.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg Kroah-Hartman:
 "Here are 3 USB patches for 3.8-rc4.  Two of them are new device id
  patches, and the third fixes a reported oops in the io_ti USB serial
  driver"

* tag 'usb-3.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  USB: io_ti: Fix NULL dereference in chase_port()
  USB: option: add TP-LINK HSUPA Modem MA180
  USB: option: blacklist network interface on ONDA MT8205 4G LTE
2013-01-18 14:06:29 -08:00
Linus Torvalds
793388a797 TTY/serial fixes for 3.8-rc4
Here are a few tty/serial driver fixes for 3.8-rc4 that resolve a number
 of problems that people have been having, including the ptys ioctl issue
 that is a regression fix.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial fixes from Greg Kroah-Hartman:
 "Here are a few tty/serial driver fixes for 3.8-rc4 that resolve a
  number of problems that people have been having, including the ptys
  ioctl issue that is a regression fix"

* tag 'tty-3.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  8250/16?50: Add support for Broadcom TruManage redirected serial port
  pty: return EINVAL for TIOCGPTN for BSD ptys
  serial:ifx6x60:Keep word size accordance with SPI controller
  tty: 8250_dw: Fix inverted arguments to serial_out in IRQ handler
  serial: samsung: remove redundant setting of line config during port reset
  serial:ifx6x60:Delete SPI timer when shut down port
  tty/8250: The correct device id for this card is 0x0022
  tty/8250: pbn_b0_8_1152000_200 is supposed to be an 8 port definition
  tty: serial: vt8500: fix return value check in vt8500_serial_probe()
  serial: mxs-auart: Index is unsigned
  mxs: uart: fix setting RTS from software
2013-01-18 14:05:59 -08:00
Linus Torvalds
abad21a8ba Staging bugfixes for 3.8-rc4
Here are some bugfixes for the drivers/staging tree for 3.8-rc4.
 
 Nothing major, just a number of small fixes for problems that people
 have reported, including finally tracking down the root of the 64/32 bit
 problem with the vt6656 that has been driving people crazy for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver bugfixes from Greg Kroah-Hartman:
 "Here are some bugfixes for the drivers/staging tree for 3.8-rc4.

  Nothing major, just a number of small fixes for problems that people
  have reported, including finally tracking down the root of the 64/32
  bit problem with the vt6656 that has been driving people crazy for a
  while"

* tag 'staging-3.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  staging/sb105x: PARPORT config is not good enough must use PARPORT_PC
  staging: wlan-ng: Fix clamping of returned SSID length
  staging: vt6656: Fix inconsistent structure packing
  staging:iio:adis16080: Perform sign extension
  iio: mxs-lradc: indexes are unsigned
2013-01-18 14:05:25 -08:00
Linus Torvalds
0d060d28d8 Char/Misc driver fixes for 3.8-rc4
Here are two hyperv patches for 3.8-rc4 that fix some reported problems
 hv_balloon driver.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver fixes from Greg Kroah-Hartman:
 "Here are two hyperv patches for 3.8-rc4 that fix some reported
  problems hv_balloon driver"

* tag 'char-misc-3.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  Drivers: hv: balloon: Fix a memory leak
  Drivers: hv: balloon: Fix a bug in the definition of struct dm_info_msg
2013-01-18 14:04:50 -08:00
Linus Torvalds
5c69bed266 Fixes:
- CVE-2013-0190/XSA-40 (or stack corruption for 32-bit PV kernels)
  - Fix racy vma access spotted by Al Viro
  - Fix mmap batch ioctl potentially resulting in large O(n) page allcations.
  - Fix vcpu online/offline BUG:scheduling while atomic..
  - Fix unbound buffer scanning for more than 32 vCPUs.
  - Fix grant table being incorrectly initialized
  - Fix incorrect check in pciback
  - Allow privcmd in backend domains.
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Merge tag 'stable/for-linus-3.8-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen

Pull Xen fixes from Konrad Rzeszutek Wilk:
 - CVE-2013-0190/XSA-40 (or stack corruption for 32-bit PV kernels)
 - Fix racy vma access spotted by Al Viro
 - Fix mmap batch ioctl potentially resulting in large O(n) page allcations.
 - Fix vcpu online/offline BUG:scheduling while atomic..
 - Fix unbound buffer scanning for more than 32 vCPUs.
 - Fix grant table being incorrectly initialized
 - Fix incorrect check in pciback
 - Allow privcmd in backend domains.

Fix up whitespace conflict due to ugly merge resolution in Xen tree in
arch/arm/xen/enlighten.c

* tag 'stable/for-linus-3.8-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
  xen: Fix stack corruption in xen_failsafe_callback for 32bit PVOPS guests.
  Revert "xen/smp: Fix CPU online/offline bug triggering a BUG: scheduling while atomic."
  xen/gntdev: remove erronous use of copy_to_user
  xen/gntdev: correctly unmap unlinked maps in mmu notifier
  xen/gntdev: fix unsafe vma access
  xen/privcmd: Fix mmap batch ioctl.
  Xen: properly bound buffer access when parsing cpu/*/availability
  xen/grant-table: correctly initialize grant table version 1
  x86/xen : Fix the wrong check in pciback
  xen/privcmd: Relax access control in privcmd_ioctl_mmap
2013-01-18 12:02:52 -08:00
Linus Torvalds
b814469ad5 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
Pull m68knommu arch fixes from Greg Ungerer:
 "This contains a couple of fixes, both affecting compilation of non-mmu
  m68k targets."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
  m68k: fix conditional use of init_pointer_table
  m68knommu: add KMAP definitions for non-MMU definitions
2013-01-18 11:58:10 -08:00
Kirill A. Shutemov
2f91ec8cc4 asm-generic, mm: pgtable: convert my_zero_pfn() to macros to fix build
Commit 816422ad76 ("asm-generic, mm: pgtable: consolidate zero page
helpers") broke the compile on MIPS if SPARSEMEM is enabled.  We get
this:

  In file included from arch/mips/include/asm/pgtable.h:552,
                   from include/linux/mm.h:44,
                   from arch/mips/kernel/asm-offsets.c:14:
  include/asm-generic/pgtable.h: In function 'my_zero_pfn':
  include/asm-generic/pgtable.h:466: error: implicit declaration of function 'page_to_section'
  In file included from arch/mips/kernel/asm-offsets.c:14:
  include/linux/mm.h: At top level:
  include/linux/mm.h:738: error: conflicting types for 'page_to_section'
  include/asm-generic/pgtable.h:466: note: previous implicit declaration of 'page_to_section' was here

Due header files inter-dependencies, the only way I see to fix it is
convert my_zero_pfn() for __HAVE_COLOR_ZERO_PAGE to macros.

Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Acked-by: David Daney <david.daney@cavium.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-01-18 11:23:26 -08:00
Borislav Petkov
631e8ac18f powernow-k8: Add a kconfig dependency on acpi-cpufreq
Andreas reports in https://bugzilla.kernel.org/show_bug.cgi?id=51741
that with his Gentoo config, acpi-cpufreq wasn't enabled and
powernow-k8 couldn't handoff properly to acpi-cpufreq leading to
running without P-state support (i.e., cores are constantly in P0).

To alleaviate that, we need to make powernow-k8 depend on acpi-cpufreq
so that acpi-cpufreq is always present.

References: https://bugzilla.kernel.org/show_bug.cgi?id=51741
Reported-by: Andreas <linuxuser330250@gmx.net>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: 3.7+ <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-01-18 13:43:44 +01:00
Konrad Rzeszutek Wilk
b88a634a90 ACPI / cpuidle: Fix NULL pointer issues when cpuidle is disabled
If cpuidle is disabled, that means that:

	per_cpu(acpi_cpuidle_device, pr->id)

is set to NULL as the acpi_processor_power_init ends up failing at

	 retval = cpuidle_register_driver(&acpi_idle_driver)

(in acpi_processor_power_init) and never sets the per_cpu idle
device.  So when acpi_processor_hotplug on CPU online notification
tries to reference said device it crashes:

cpu 3 spinlock event irq 62
BUG: unable to handle kernel NULL pointer dereference at 0000000000000004
IP: [<ffffffff81381013>] acpi_processor_setup_cpuidle_cx+0x3f/0x105
PGD a259b067 PUD ab38b067 PMD 0
Oops: 0002 [#1] SMP
odules linked in: dm_multipath dm_mod xen_evtchn iscsi_boot_sysfs iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi libcrc32c crc32c nouveau mxm_wmi wmi radeon ttm sg sr_mod sd_mod cdrom ata_generic ata_piix libata crc32c_intel scsi_mod atl1c i915 fbcon tileblit font bitblit softcursor drm_kms_helper video xen_blkfront xen_netfront fb_sys_fops sysimgblt sysfillrect syscopyarea xenfs xen_privcmd mperf
CPU 1
Pid: 3047, comm: bash Not tainted 3.8.0-rc3upstream-00250-g165c029 #1 MSI MS-7680/H61M-P23 (MS-7680)
RIP: e030:[<ffffffff81381013>]  [<ffffffff81381013>] acpi_processor_setup_cpuidle_cx+0x3f/0x105
RSP: e02b:ffff88001742dca8  EFLAGS: 00010202
RAX: 0000000000010be9 RBX: ffff8800a0a61800 RCX: ffff880105380000
RDX: 0000000000000003 RSI: 0000000000000200 RDI: ffff8800a0a61800
RBP: ffff88001742dce8 R08: ffffffff81812360 R09: 0000000000000200
R10: aaaaaaaaaaaaaaaa R11: 0000000000000001 R12: ffff8800a0a61800
R13: 00000000ffffff01 R14: 0000000000000000 R15: ffffffff81a907a0
FS:  00007fd6942f7700(0000) GS:ffff880105280000(0000) knlGS:0000000000000000
CS:  e033 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000004 CR3: 00000000a6773000 CR4: 0000000000042660
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process bash (pid: 3047, threadinfo ffff88001742c000, task ffff880017944000)
Stack:
 0000000000000150 ffff880100f59e00 ffff88001742dcd8 ffff8800a0a61800
 0000000000000000 00000000ffffff01 0000000000000000 ffffffff81a907a0
 ffff88001742dd18 ffffffff813815b1 ffff88001742dd08 ffffffff810ae336
Call Trace:
 [<ffffffff813815b1>] acpi_processor_hotplug+0x7c/0x9f
 [<ffffffff810ae336>] ? schedule_delayed_work_on+0x16/0x20
 [<ffffffff8137ee8f>] acpi_cpu_soft_notify+0x90/0xca
 [<ffffffff8166023d>] notifier_call_chain+0x4d/0x70
 [<ffffffff810bc369>] __raw_notifier_call_chain+0x9/0x10
 [<ffffffff81094a4b>] __cpu_notify+0x1b/0x30
 [<ffffffff81652cf7>] _cpu_up+0x103/0x14b
 [<ffffffff81652e18>] cpu_up+0xd9/0xec
 [<ffffffff8164a254>] store_online+0x94/0xd0
 [<ffffffff814122fb>] dev_attr_store+0x1b/0x20
 [<ffffffff81216404>] sysfs_write_file+0xf4/0x170

This patch fixes it.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-01-18 13:43:43 +01:00
Konrad Rzeszutek Wilk
6f8c2e7933 intel_idle: Don't register CPU notifier if we are not running.
The 'intel_idle_probe' probes the CPU and sets the CPU notifier.
But if later on during the module initialization we fail (say
in cpuidle_register_driver), we stop loading, but we neglect
to unregister the CPU notifier.  This means that during CPU
hotplug events the system will fail:

calling  intel_idle_init+0x0/0x326 @ 1
intel_idle: MWAIT substates: 0x1120
intel_idle: v0.4 model 0x2A
intel_idle: lapic_timer_reliable_states 0xffffffff
intel_idle: intel_idle yielding to none
initcall intel_idle_init+0x0/0x326 returned -19 after 14 usecs

... some time later, offlining and onlining a CPU:

cpu 3 spinlock event irq 62
BUG: unable to ] __cpuidle_register_device+0x1c/0x120
PGD 99b8b067 PUD 99b95067 PMD 0
Oops: 0000 [#1] SMP
Modules linked in: xen_evtchn nouveau mxm_wmi wmi radeon ttm i915 fbcon tileblit font atl1c bitblit softcursor drm_kms_helper video xen_blkfront xen_netfront fb_sys_fops sysimgblt sysfillrect syscopyarea xenfs xen_privcmd mperf
CPU 0
Pid: 2302, comm: udevd Not tainted 3.8.0-rc3upstream-00249-g09ad159 #1 MSI MS-7680/H61M-P23 (MS-7680)
RIP: e030:[<ffffffff814d956c>]  [<ffffffff814d956c>] __cpuidle_register_device+0x1c/0x120
RSP: e02b:ffff88009dacfcb8  EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff880105380000 RCX: 000000000000001c
RDX: 0000000000000000 RSI: 0000000000000055 RDI: ffff880105380000
RBP: ffff88009dacfce8 R08: ffffffff81a4f048 R09: 0000000000000008
R10: 0000000000000008 R11: 0000000000000000 R12: ffff880105380000
R13: 00000000ffffffdd R14: 0000000000000000 R15: ffffffff81a523d0
FS:  00007f37bd83b7a0(0000) GS:ffff880105200000(0000) knlGS:0000000000000000
CS:  e033 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000008 CR3: 00000000a09ea000 CR4: 0000000000042660
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process udevd (pid: 2302, threadinfo ffff88009dace000, task ffff88009afb47f0)
Stack:
 ffffffff8107f2d0 ffffffff810c2fb7 ffff88009dacfce8 00000000ffffffea
 ffff880105380000 00000000ffffffdd ffff88009dacfd08 ffffffff814d9882
 0000000000000003 ffff880105380000 ffff88009dacfd28 ffffffff81340afd
Call Trace:
 [<ffffffff8107f2d0>] ? collect_cpu_info_local+0x30/0x30
 [<ffffffff810c2fb7>] ? __might_sleep+0xe7/0x100
 [<ffffffff814d9882>] cpuidle_register_device+0x32/0x70
 [<ffffffff81340afd>] intel_idle_cpu_init+0xad/0x110
 [<ffffffff81340bc8>] cpu_hotplug_notify+0x68/0x80
 [<ffffffff8166023d>] notifier_call_chain+0x4d/0x70
 [<ffffffff810bc369>] __raw_notifier_call_chain+0x9/0x10
 [<ffffffff81094a4b>] __cpu_notify+0x1b/0x30
 [<ffffffff81652cf7>] _cpu_up+0x103/0x14b
 [<ffffffff81652e18>] cpu_up+0xd9/0xec
 [<ffffffff8164a254>] store_online+0x94/0xd0
 [<ffffffff814122fb>] dev_attr_store+0x1b/0x20
 [<ffffffff81216404>] sysfs_write_file+0xf4/0x170
 [<ffffffff811a1024>] vfs_write+0xb4/0x130
 [<ffffffff811a17ea>] sys_write+0x5a/0xa0
 [<ffffffff816643a9>] system_call_fastpath+0x16/0x1b
Code: 03 18 00 c9 c3 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 48 83 ec 30 48 89 5d e8 4c 89 65 f0 48 89 fb 4c 89 6d f8 e8 84 08 00 00 <48> 8b 78 08 49 89 c4 e8 f8 7f c1 ff 89 c2 b8 ea ff ff ff 84 d2
RIP  [<ffffffff814d956c>] __cpuidle_register_device+0x1c/0x120
 RSP <ffff88009dacfcb8>

This patch fixes that by moving the CPU notifier registration
as the last item to be done by the module.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Cc: 3.6+ <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-01-18 13:43:43 +01:00
Benoit Goby
b810075002 usb: gadget: FunctionFS: Fix missing braces in parse_opts
Add missing braces around an if block in ffs_fs_parse_opts. This broke
parsing the uid/gid mount options and causes mount to fail when using
uid/gid. This has been introduced by commit b9b73f7c (userns: Convert usb
functionfs to use kuid/kgid where appropriate) in 3.7.

Cc: <stable@vger.kernel.org>
Signed-off-by: Benoit Goby <benoit@android.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-01-18 14:11:11 +02:00
Pratyush Anand
6048e4c69d usb: dwc3: gadget: fix ep->maxburst for ep0
dwc3_gadget_set_ep_config expects maxburst as incremented by 1. So, by
default initialize ep->maxburst to 1 for ep0.

Cc: <stable@vger.kernel.org>
Signed-off-by: Pratyush Anand <pratyush.anand@st.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-01-18 14:11:00 +02:00
Peter Chen
61c4b560e9 ARM: i.MX clock: Change the connection-id for fsl-usb2-udc
As we use platform_device_id for fsl-usb2-udc driver, it needs to
change clk connection-id, or the related devm_clk_get will be failed.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-01-18 14:08:22 +02:00
Peter Chen
c2c9caa947 usb: gadget: fsl_mxc_udc: replace MX35_IO_ADDRESS to ioremap
As mach/hardware.h is deleted, we can't visit platform code at driver.
It has no phy driver to combine with this controller, so it has to use
ioremap to map phy address as a workaround.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-01-18 14:08:21 +02:00
Peter Chen
f0ea8834df usb: gadget: fsl-mxc-udc: replace cpu_is_xxx() with platform_device_id
As mach/hardware.h is deleted, we need to use platform_device_id to
differentiate SoCs. Besides, one cpu_is_mx35 is useless as it has
already used pdata to differentiate runtime

Meanwhile we update the platform code accordingly.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-01-18 14:08:20 +02:00
Sergei Shtylyov
091a62c9b3 usb: musb: cppi_dma: drop '__init' annotation
This patch fixes the following:

WARNING: vmlinux.o(.text+0x1e709c): Section mismatch in reference from the funct
ion dma_controller_create() to the function .init.text:cppi_controller_start()
The function dma_controller_create() references
the function __init cppi_controller_start().
This is often because dma_controller_create lacks a __init
annotation or the annotation of cppi_controller_start is wrong.

This warning is there due to the deficiency in the commit 07a67bbb (usb: musb:
Make dma_controller_create __devinit).

Since the start() method is only called from musb_init_controller() which is
not annotated, drop '__init' annotation from cppi_controller_start() and also
cppi_pool_init() since it gets called from that function, to avoid another
section mismatch warning...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: stable@vger.kernel.org # 3.7+
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-01-18 14:08:18 +02:00
David Henningsson
e04340375a ALSA: hda - Fix mute led for another HP machine
This machine also has the "HP_Mute_LED_0_A" string in DMI information.

Cc: <stable@vger.kernel.org>
BugLink: https://bugs.launchpad.net/bugs/1096789
Tested-by: Tammy Yang <tammy.yang@canonical.com>
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-01-18 12:29:10 +01:00
Linus Torvalds
7d1f9aeff1 Linux 3.8-rc4 2013-01-17 19:25:45 -08:00
Wolfgang Frisch
1ee0a224bc USB: io_ti: Fix NULL dereference in chase_port()
The tty is NULL when the port is hanging up.
chase_port() needs to check for this.

This patch is intended for stable series.
The behavior was observed and tested in Linux 3.2 and 3.7.1.

Johan Hovold submitted a more elaborate patch for the mainline kernel.

[   56.277883] usb 1-1: edge_bulk_in_callback - nonzero read bulk status received: -84
[   56.278811] usb 1-1: USB disconnect, device number 3
[   56.278856] usb 1-1: edge_bulk_in_callback - stopping read!
[   56.279562] BUG: unable to handle kernel NULL pointer dereference at 00000000000001c8
[   56.280536] IP: [<ffffffff8144e62a>] _raw_spin_lock_irqsave+0x19/0x35
[   56.281212] PGD 1dc1b067 PUD 1e0f7067 PMD 0
[   56.282085] Oops: 0002 [#1] SMP
[   56.282744] Modules linked in:
[   56.283512] CPU 1
[   56.283512] Pid: 25, comm: khubd Not tainted 3.7.1 #1 innotek GmbH VirtualBox/VirtualBox
[   56.283512] RIP: 0010:[<ffffffff8144e62a>]  [<ffffffff8144e62a>] _raw_spin_lock_irqsave+0x19/0x35
[   56.283512] RSP: 0018:ffff88001fa99ab0  EFLAGS: 00010046
[   56.283512] RAX: 0000000000000046 RBX: 00000000000001c8 RCX: 0000000000640064
[   56.283512] RDX: 0000000000010000 RSI: ffff88001fa99b20 RDI: 00000000000001c8
[   56.283512] RBP: ffff88001fa99b20 R08: 0000000000000000 R09: 0000000000000000
[   56.283512] R10: 0000000000000000 R11: ffffffff812fcb4c R12: ffff88001ddf53c0
[   56.283512] R13: 0000000000000000 R14: 00000000000001c8 R15: ffff88001e19b9f4
[   56.283512] FS:  0000000000000000(0000) GS:ffff88001fd00000(0000) knlGS:0000000000000000
[   56.283512] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[   56.283512] CR2: 00000000000001c8 CR3: 000000001dc51000 CR4: 00000000000006e0
[   56.283512] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   56.283512] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[   56.283512] Process khubd (pid: 25, threadinfo ffff88001fa98000, task ffff88001fa94f80)
[   56.283512] Stack:
[   56.283512]  0000000000000046 00000000000001c8 ffffffff810578ec ffffffff812fcb4c
[   56.283512]  ffff88001e19b980 0000000000002710 ffffffff812ffe81 0000000000000001
[   56.283512]  ffff88001fa94f80 0000000000000202 ffffffff00000001 0000000000000296
[   56.283512] Call Trace:
[   56.283512]  [<ffffffff810578ec>] ? add_wait_queue+0x12/0x3c
[   56.283512]  [<ffffffff812fcb4c>] ? usb_serial_port_work+0x28/0x28
[   56.283512]  [<ffffffff812ffe81>] ? chase_port+0x84/0x2d6
[   56.283512]  [<ffffffff81063f27>] ? try_to_wake_up+0x199/0x199
[   56.283512]  [<ffffffff81263a5c>] ? tty_ldisc_hangup+0x222/0x298
[   56.283512]  [<ffffffff81300171>] ? edge_close+0x64/0x129
[   56.283512]  [<ffffffff810612f7>] ? __wake_up+0x35/0x46
[   56.283512]  [<ffffffff8106135b>] ? should_resched+0x5/0x23
[   56.283512]  [<ffffffff81264916>] ? tty_port_shutdown+0x39/0x44
[   56.283512]  [<ffffffff812fcb4c>] ? usb_serial_port_work+0x28/0x28
[   56.283512]  [<ffffffff8125d38c>] ? __tty_hangup+0x307/0x351
[   56.283512]  [<ffffffff812e6ddc>] ? usb_hcd_flush_endpoint+0xde/0xed
[   56.283512]  [<ffffffff8144e625>] ? _raw_spin_lock_irqsave+0x14/0x35
[   56.283512]  [<ffffffff812fd361>] ? usb_serial_disconnect+0x57/0xc2
[   56.283512]  [<ffffffff812ea99b>] ? usb_unbind_interface+0x5c/0x131
[   56.283512]  [<ffffffff8128d738>] ? __device_release_driver+0x7f/0xd5
[   56.283512]  [<ffffffff8128d9cd>] ? device_release_driver+0x1a/0x25
[   56.283512]  [<ffffffff8128d393>] ? bus_remove_device+0xd2/0xe7
[   56.283512]  [<ffffffff8128b7a3>] ? device_del+0x119/0x167
[   56.283512]  [<ffffffff812e8d9d>] ? usb_disable_device+0x6a/0x180
[   56.283512]  [<ffffffff812e2ae0>] ? usb_disconnect+0x81/0xe6
[   56.283512]  [<ffffffff812e4435>] ? hub_thread+0x577/0xe82
[   56.283512]  [<ffffffff8144daa7>] ? __schedule+0x490/0x4be
[   56.283512]  [<ffffffff8105798f>] ? abort_exclusive_wait+0x79/0x79
[   56.283512]  [<ffffffff812e3ebe>] ? usb_remote_wakeup+0x2f/0x2f
[   56.283512]  [<ffffffff812e3ebe>] ? usb_remote_wakeup+0x2f/0x2f
[   56.283512]  [<ffffffff810570b4>] ? kthread+0x81/0x89
[   56.283512]  [<ffffffff81057033>] ? __kthread_parkme+0x5c/0x5c
[   56.283512]  [<ffffffff8145387c>] ? ret_from_fork+0x7c/0xb0
[   56.283512]  [<ffffffff81057033>] ? __kthread_parkme+0x5c/0x5c
[   56.283512] Code: 8b 7c 24 08 e8 17 0b c3 ff 48 8b 04 24 48 83 c4 10 c3 53 48 89 fb 41 50 e8 e0 0a c3 ff 48 89 04 24 e8 e7 0a c3 ff ba 00 00 01 00
<f0> 0f c1 13 48 8b 04 24 89 d1 c1 ea 10 66 39 d1 74 07 f3 90 66
[   56.283512] RIP  [<ffffffff8144e62a>] _raw_spin_lock_irqsave+0x19/0x35
[   56.283512]  RSP <ffff88001fa99ab0>
[   56.283512] CR2: 00000000000001c8
[   56.283512] ---[ end trace 49714df27e1679ce ]---

Signed-off-by: Wolfgang Frisch <wfpub@roembden.net>
Cc: Johan Hovold <jhovold@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-17 17:34:39 -08:00
Bjørn Mork
99beb2e968 USB: option: add TP-LINK HSUPA Modem MA180
The driver description files gives these names to the vendor specific
functions on this modem:

 Diagnostics VID_2357&PID_0201&MI_00
 NMEA        VID_2357&PID_0201&MI_01
 Modem       VID_2357&PID_0201&MI_03
 Networkcard VID_2357&PID_0201&MI_04

Reported-by: Thomas Schäfer <tschaefer@t-online.de>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-17 17:34:39 -08:00
Bjørn Mork
2291dff02e USB: option: blacklist network interface on ONDA MT8205 4G LTE
The driver description files gives these names to the vendor specific
functions on this modem:

 Diag   VID_19D2&PID_0265&MI_00
 NMEA   VID_19D2&PID_0265&MI_01
 AT cmd VID_19D2&PID_0265&MI_02
 Modem  VID_19D2&PID_0265&MI_03
 Net    VID_19D2&PID_0265&MI_04

Signed-off-by: Bjørn Mork <bjorn@mork.no>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-17 17:34:38 -08:00
Steven Rostedt
7dfc833178 staging/sb105x: PARPORT config is not good enough must use PARPORT_PC
The sb105x driver calls parport_pc_probe_port() which isn't defined if
PARPORT_PC isn't enabled. Protecting it with CONFIG_PARPORT is not good
enough, must protect it with CONFIG_PARPORT_PC.

Reported-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-17 16:39:41 -08:00
Tormod Volden
811a37effd staging: wlan-ng: Fix clamping of returned SSID length
Commit 2e254212 broke listing of available network names, since it
clamped the length of the returned SSID to WLAN_BSSID_LEN (6) instead of
WLAN_SSID_MAXLEN (32).

https://bugzilla.kernel.org/show_bug.cgi?id=52501

Signed-off-by: Tormod Volden <debian.tormod@gmail.com>
Cc: stable <stable@vger.kernel.org> # 3.4+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-17 16:38:07 -08:00
Greg Kroah-Hartman
aec992f2ba Second round of fixes for IIO post 3.8-rc1
Two tiny fixes
 * A build warning fix due to signed / unsigned comparison
 * Missing sign extension in adis16080
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Merge tag 'iio-fixes-for-3.8b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus

Jonathan writes:

  Second round of fixes for IIO post 3.8-rc1

  Two tiny fixes
  * A build warning fix due to signed / unsigned comparison
  * Missing sign extension in adis16080
2013-01-17 16:34:33 -08:00
Alexander Graf
d3286144c9 KVM: PPC: Emulate dcbf
Guests can trigger MMIO exits using dcbf. Since we don't emulate cache
incoherent MMIO, just do nothing and move on.

Reported-by: Ben Collins <ben.c@servergy.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Tested-by: Ben Collins <ben.c@servergy.com>
CC: stable@vger.kernel.org
2013-01-18 00:40:49 +01:00