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Commit Graph

505833 Commits

Author SHA1 Message Date
Mark Fasheh
01945fa248 ocfs2: update web page + git tree in documentation
We (the Ocfs2 project) recently moved the location of our ocfs2-tools
git tree and project web page.  The pertinent discussion can be seen
here:

  https://oss.oracle.com/pipermail/ocfs2-devel/2015-February/010579.html

The following patch updates the Ocfs2 documentation in MAINTAINERS,
ocfs2.txt, and dlmfs.txt.  I added our new official web page, changed
the location of our tools git tree and removed the link to Joel's
ancient kernel git tree - Andrew has handled our patches for a while
now.

Signed-off-by: Mark Fasheh <mfasheh@suse.de>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-02-28 09:57:50 -08:00
Steven Rostedt
5b2bdbc845 x86: Init per-cpu shadow copy of CR4 on 32-bit CPUs too
Commit:

   1e02ce4ccc ("x86: Store a per-cpu shadow copy of CR4")

added a shadow CR4 such that reads and writes that do not
modify the CR4 execute much faster than always reading the
register itself.

The change modified cpu_init() in common.c, so that the
shadow CR4 gets initialized before anything uses it.

Unfortunately, there's two cpu_init()s in common.c. There's
one for 64-bit and one for 32-bit. The commit only added
the shadow init to the 64-bit path, but the 32-bit path
needs the init too.

Link: http://lkml.kernel.org/r/20150227125208.71c36402@gandalf.local.home Fixes: 1e02ce4ccc "x86: Store a per-cpu shadow copy of CR4"
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Acked-by: Andy Lutomirski <luto@amacapital.net>
Cc: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/20150227145019.2bdd4354@gandalf.local.home
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-02-28 08:04:20 +01:00
Ingo Molnar
5838d18955 Merge branch 'linus' into x86/urgent, to merge dependent patch
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-02-28 08:03:10 +01:00
Zhang Rui
5912e264d9 Merge branch 'tmon-fixes' of .git into next 2015-02-28 14:07:03 +08:00
Srinivas Pandruvada
f126079123 thermal: int340x_thermal: Ignore missing _ART, _TRT tables
It is possible that _ART/_TRT tables are missing or have errors.
Ignore those failures, as INT3400 thermal zone is still required
for _OSC or mode switch.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2015-02-28 13:58:36 +08:00
Miguel Bernal Marin
3a4562a028 thermal/intel_powerclamp: add id for Avoton SoC
Enable Intel Powerclamp driver on Atom* Processor C2000 Product
Family for Microservers (Avoton). Avoton - SoCs for micro-servers
has package C-states which can be used for idle injection.

Reported-by: Jose Navarro <jose.navarro@intel.com>
Suggested-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Tested-by:  Jose Carlos Venegas Munoz <jos.c.venegas.munoz@intel.com>
Signed-off-by: Miguel Bernal Marin <miguel.bernal.marin@linux.intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2015-02-28 13:55:40 +08:00
Brian Norris
986ffe0384 tools/thermal: tmon: silence 'set but not used' warnings
gcc complains about the 'cols' variable being unused. This is
unavoidable, given the ncurses getmaxyx() macro-based API, which wants
to assign to a variable directly, even when we're not going to use it.

Warning:

    gcc -O1 -Wall -Wshadow -W -Wformat -Wimplicit-function-declaration -Wimplicit-int -fstack-protector -D VERSION=\"1.0\"   -c -o tui.o tui.c
    tui.c: In function ‘show_dialogue’:
    tui.c:288:12: warning: variable ‘cols’ set but not used [-Wunused-but-set-variable]
      int rows, cols;
                ^

So, add a hack to get rid of that warning.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2015-02-28 13:52:48 +08:00
Brian Norris
96a0d99c72 tools/thermal: tmon: use pkg-config to determine library dependencies
Some distros (e.g., Arch Linux) don't package the tinfo library
separately from ncurses, so don't unconditionally include it. Instead,
use pkg-config.

The $(STATIC) ugliness is to handle the reported build case from commit
6b533269fb ("tools/thermal: tmon: fix compilation errors when building
statically"), where a developer wants to be able to build with:

  make LDFLAGS=-static

which requires an additional pkg-config flag.

Finally, support a lowest common denominator fallback (-lpanel
-lncurses) for build systems that don't have pkg-config entries for
ncurses.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2015-02-28 13:52:48 +08:00
Brian Norris
1b0eaa2cc2 tools/thermal: tmon: support cross-compiling
We might want to prepare CFLAGS outside of this Makefile, so don't
overwrite its initial value.

Then, support $(CROSS_COMPILE), so we can use a cross-compile toolchain.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2015-02-28 13:52:48 +08:00
Brian Norris
3dc3712a82 tools/thermal: tmon: add .gitignore
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2015-02-28 13:52:47 +08:00
Brian Norris
3bbcc529ee tools/thermal: tmon: fixup tui windowing calculations
The number of rows in the dialog vary according to the number of cooling
devices. However, some of the windowing computations were assuming a
fixed number of rows. This computation is OK when we have between 4 and
9 cooling devices (and they wrap to the next column), but with fewer
devices, we end up printing off the end of the window.

This unifies the row computation into a single function and uses that
throughout the TUI code. This also accounts for increasing the number of
rows when there are more than 9 total cooling devices.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2015-02-28 13:52:47 +08:00
Brian Norris
0e7b766dc0 tools/thermal: tmon: tui: don't hard-code dialog window size assumptions
We can use the ncurses API to get the number of rows.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2015-02-28 13:52:47 +08:00
Brian Norris
a90b6b006c tools/thermal: tmon: add min/max macros
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2015-02-28 13:52:47 +08:00
Brian Norris
4cc32cb4e9 tools/thermal: tmon: add --target-temp parameter
If we launch in daemon mode (--daemon), we don't have the ncurses UI,
but we might want to set the target temperature still. For example,
someone might stick the following in their boot script:

  tmon --control intel_powerclamp --target-temp 90 --log --daemon

This would turn on CPU idle injection when we're around 90 degrees
celsius, and would log temperature and throttling info to
/var/tmp/tmon.log.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2015-02-28 13:52:47 +08:00
Linus Torvalds
895c8b7b46 ARM: SoC fixes for 3.20-rc1
The arm-soc bug fixes this time around are mostly for the omap
 platform, coming from a pull request from Tony Lindgren and are
 almost entirely fixing dts files.
 
 The other two changes enable support for the shmobile platform
 in generic armv7 kernels and change some properties in the
 ARM64 reference board dts files.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Arnd Bergmann:
 "The arm-soc bug fixes this time around are mostly for the omap
  platform, coming from a pull request from Tony Lindgren and are almost
  entirely fixing dts files.

  The other two changes enable support for the shmobile platform in
  generic armv7 kernels and change some properties in the ARM64
  reference board dts files"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: multi_v7_defconfig: Enable shmobile platforms
  arm64: Add L2 cache topology to ARM Ltd boards/models
  ARM: dts: am335x-bone*: usb0 is hardwired for peripheral
  ARM: dts: dra7x-evm: beagle-x15: Fix USB Host
  ARM: omap2plus_defconfig: Fix SATA boot
  ARM: omap2plus_defconfig: Enable OMAP NAND BCH driver
  ARM: dts: dra7: Correct the dma controller's property names
  ARM: dts: omap5: Correct the dma controller's property names
  ARM: dts: omap4: Correct the dma controller's property names
  ARM: dts: omap3: Correct the dma controller's property names
  ARM: dts: omap2: Correct the dma controller's property names
  ARM: dts: am437x-idk: fix sleep pinctrl state
  ARM: omap2plus_defconfig: enable TPS62362 regulator
  ARM: dts: am437x-idk: fix TPS62362 i2c bus
  ARM: dts: n900: Fix offset for smc91x ethernet
  ARM: dts: n900: fix i2c bus numbering
  ARM: dts: Fix USB dts configuration for dm816x
  ARM: dts: OMAP5: Fix SATA PHY node
  ARM: dts: DRA7: Fix SATA PHY node
2015-02-27 16:18:33 -08:00
Linus Torvalds
8d20a3dd4a Various arm64 fixes:
- ftrace branch generation fix
 - branch instruction encoding fix
 - include files, guards and unused prototypes clean-up
 - minor VDSO ABI fix (clock_getres)
 - PSCI functions moved to .S to avoid compilation error with gcc 5
 - pte_modify fix to not ignore the mapping type
 - crypto: AES interleaved increased to 4x (for performance reasons)
 - text patching fix for modules
 - swiotlb increased back to 64MB
 - copy_siginfo_to_user32() fix for big endian
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Catalin Marinas:
 "Various arm64 fixes:
   - ftrace branch generation fix
   - branch instruction encoding fix
   - include files, guards and unused prototypes clean-up
   - minor VDSO ABI fix (clock_getres)
   - PSCI functions moved to .S to avoid compilation error with gcc 5
   - pte_modify fix to not ignore the mapping type
   - crypto: AES interleaved increased to 4x (for performance reasons)
   - text patching fix for modules
   - swiotlb increased back to 64MB
   - copy_siginfo_to_user32() fix for big endian"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: cpuidle: add asm/proc-fns.h inclusion
  arm64: compat Fix siginfo_t -> compat_siginfo_t conversion on big endian
  arm64: Increase the swiotlb buffer size 64MB
  arm64: Fix text patching logic when using fixmap
  arm64: crypto: increase AES interleave to 4x
  arm64: enable PTE type bit in the mask for pte_modify
  arm64: mm: remove unused functions and variable protoypes
  arm64: psci: move psci firmware calls out of line
  arm64: vdso: minor ABI fix for clock_getres
  arm64: guard asm/assembler.h against multiple inclusions
  arm64: insn: fix compare-and-branch encodings
  arm64: ftrace: fix ftrace_modify_graph_caller for branch replace
2015-02-27 16:09:37 -08:00
Linus Torvalds
1c0705151e SH Drivers Updates for v4.0
* Disable PM runtime for multi-platform r8a7740 with genpd
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Merge tag 'renesas-sh-drivers-for-v4.0' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas

Pull SH driver fix from Simon Horman:
 "Disable PM runtime for multi-platform r8a7740 with genpd"

* tag 'renesas-sh-drivers-for-v4.0' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  drivers: sh: Disable PM runtime for multi-platform r8a7740 with genpd
2015-02-27 16:08:45 -08:00
Lorenzo Pieralisi
af4819af8d arm64: cpuidle: add asm/proc-fns.h inclusion
ARM64 CPUidle driver requires the cpu_do_idle function so that it can
be used to enter the shallowest idle state, and it is declared in
asm/proc-fns.h.

The current ARM64 CPUidle driver does not include asm/proc-fns.h
explicitly and it has so far relied on implicit inclusion from other
header files.

Owing to some header dependencies reshuffling this currently triggers
build failures when CONFIG_ARM64_64K_PAGES=y:

drivers/cpuidle/cpuidle-arm64.c: In function "arm64_enter_idle_state"
drivers/cpuidle/cpuidle-arm64.c:42:3: error: implicit declaration of
function "cpu_do_idle" [-Werror=implicit-function-declaration]
   cpu_do_idle();
   ^

This patch adds the explicit inclusion of the asm/proc-fns.h header file
in the arm64 asm/cpuidle.h header file, so that the build breakage is fixed
and the required header inclusion is added to the appropriate arch back-end
CPUidle header, already included by the CPUidle arm64 driver, where
CPUidle arch related function declarations belong.

Reported-by: Laura Abbott <lauraa@codeaurora.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Tested-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2015-02-27 18:05:56 +00:00
Catalin Marinas
9d42d48a34 arm64: compat Fix siginfo_t -> compat_siginfo_t conversion on big endian
The native (64-bit) sigval_t union contains sival_int (32-bit) and
sival_ptr (64-bit). When a compat application invokes a syscall that
takes a sigval_t value (as part of a larger structure, e.g.
compat_sys_mq_notify, compat_sys_timer_create), the compat_sigval_t
union is converted to the native sigval_t with sival_int overlapping
with either the least or the most significant half of sival_ptr,
depending on endianness. When the corresponding signal is delivered to a
compat application, on big endian the current (compat_uptr_t)sival_ptr
cast always returns 0 since sival_int corresponds to the top part of
sival_ptr. This patch fixes copy_siginfo_to_user32() so that sival_int
is copied to the compat_siginfo_t structure.

Cc: <stable@vger.kernel.org>
Reported-by: Bamvor Jian Zhang <bamvor.zhangjian@huawei.com>
Tested-by: Bamvor Jian Zhang <bamvor.zhangjian@huawei.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2015-02-27 18:05:56 +00:00
Catalin Marinas
a1e50a8225 arm64: Increase the swiotlb buffer size 64MB
With commit 3690951fc6 (arm64: Use swiotlb late initialisation), the
swiotlb buffer size is limited to MAX_ORDER_NR_PAGES. However, there are
platforms with 32-bit only devices that require bounce buffering via
swiotlb. This patch changes the swiotlb initialisation to an early 64MB
memblock allocation. In order to get the swiotlb buffer correctly
allocated (via memblock_virt_alloc_low_nopanic), this patch also defines
ARCH_LOW_ADDRESS_LIMIT to the maximum physical address capable of 32-bit
DMA.

Reported-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Tested-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2015-02-27 18:05:55 +00:00
Dave Airlie
21689a440b Merge branch 'drm-atmel-hlcdc-fixes' of git://github.com/bbrezillon/linux-at91 into drm-fixes
minor atmel hclcdc fixes.

* 'drm-atmel-hlcdc-fixes' of git://github.com/bbrezillon/linux-at91:
  drm: atmel-hlcdc: remove clock polarity from crtc driver
  drm: atmel-hlcdc: remove useless pm_runtime_put_sync in probe
  drm: atmel-hlcdc: reset layer A2Q and UPDATE bits when disabling it
2015-02-27 10:31:40 +10:00
Dave Airlie
d1e488fda8 Merge tag 'drm-intel-fixes-2015-02-26' of git://anongit.freedesktop.org/drm-intel into drm-fixes
First batch of fixes for v4.0-rc, plenty of cc: stable material.

* tag 'drm-intel-fixes-2015-02-26' of git://anongit.freedesktop.org/drm-intel:
  drm/i915: Fix frontbuffer false positve.
  drm/i915: Align initial plane backing objects correctly
  drm/i915: avoid processing spurious/shared interrupts in low-power states
  drm/i915: Check obj->vma_list under the struct_mutex
  drm/i915: Fix a use after free, and unbalanced refcounting
  drm/i915: Dell Chromebook 11 has PWM backlight
  drm/i915/skl: handle all pixel formats in skylake_update_primary_plane()
  drm/i915/bdw: PCI IDs ending in 0xb are ULT.
2015-02-27 10:30:07 +10:00
Dave Airlie
a795e4e9dd Merge branch 'drm-fixes-4.0' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
misc radeon fixes.

* 'drm-fixes-4.0' of git://people.freedesktop.org/~agd5f/linux:
  drm/radeon: only enable DP audio if the monitor supports it
  drm/radeon: fix atom aux payload size check for writes (v2)
  drm/radeon: fix 1 RB harvest config setup for TN/RL
  drm/radeon: enable SRBM timeout interrupt on EG/NI
  drm/radeon: enable SRBM timeout interrupt on SI
  drm/radeon: enable SRBM timeout interrupt on CIK v2
  drm/radeon: dump full IB if we hit a packet error
  drm/radeon: disable mclk switching with 120hz+ monitors
  drm/radeon: use drm_mode_vrefresh() rather than mode->vrefresh
  drm/radeon: enable native backlight control on old macs
2015-02-27 10:29:14 +10:00
Linus Torvalds
4f671fe2f9 - Add missing return value check to ads7828 driver
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Merge tag 'hwmon-for-linus-v4.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon fix from Guenter Roeck:
 "Add missing return value check to ads7828 driver"

* tag 'hwmon-for-linus-v4.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (ads7828) Check return value of devm_regmap_init_i2c
2015-02-26 15:23:02 -08:00
Linus Torvalds
ed42e71acc sound fixes for 4.0-rc2
Most of changes in this pull request are about the fixes of crash of
 FireWire drivers at hot-unplugging.  In addition, there are a few
 HD-audio fixes (removal of wrong static, a pin quirk for an ASUS mobo,
 a regression fix for runtime PM on Panther Point) and a long-standing
 (but fairly minor) bug of PCM core.
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Merge tag 'sound-4.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "Most of changes in this pull request are about the fixes of crash of
  FireWire drivers at hot-unplugging.  In addition, there are a few
  HD-audio fixes (removal of wrong static, a pin quirk for an ASUS mobo,
  a regression fix for runtime PM on Panther Point) and a long-standing
  (but fairly minor) bug of PCM core"

* tag 'sound-4.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda - Disable runtime PM for Panther Point again
  ALSA: hda: controller code - do not export static functions
  ALSA: pcm: Don't leave PREPARED state after draining
  ALSA: fireworks/bebob/dice/oxfw: make it possible to shutdown safely
  ALSA: fireworks/bebob/dice/oxfw: allow stream destructor after releasing runtime
  ALSA: firewire-lib: remove reference counting
  ALSA: fireworks/bebob/dice/oxfw: add reference-counting for FireWire unit
  ALSA: hda - Add pin configs for ASUS mobo with IDT 92HD73XX codec
  ALSA: firewire-lib: fix an unexpected byte sequence for micro sign
2015-02-26 10:55:19 -08:00
Marc Zyngier
f6242cac10 arm64: Fix text patching logic when using fixmap
Patch 2f896d5866 ("arm64: use fixmap for text patching") changed
the way we patch the kernel text, using a fixmap when the kernel or
modules are flagged as read only.

Unfortunately, a flaw in the logic makes it fall over when patching
modules without CONFIG_DEBUG_SET_MODULE_RONX enabled:

[...]
[   32.032636] Call trace:
[   32.032716] [<fffffe00003da0dc>] __copy_to_user+0x2c/0x60
[   32.032837] [<fffffe0000099f08>] __aarch64_insn_write+0x94/0xf8
[   32.033027] [<fffffe000009a0a0>] aarch64_insn_patch_text_nosync+0x18/0x58
[   32.033200] [<fffffe000009c3ec>] ftrace_modify_code+0x58/0x84
[   32.033363] [<fffffe000009c4e4>] ftrace_make_nop+0x3c/0x58
[   32.033532] [<fffffe0000164420>] ftrace_process_locs+0x3d0/0x5c8
[   32.033709] [<fffffe00001661cc>] ftrace_module_init+0x28/0x34
[   32.033882] [<fffffe0000135148>] load_module+0xbb8/0xfc4
[   32.034044] [<fffffe0000135714>] SyS_finit_module+0x94/0xc4
[...]

This is triggered by the use of virt_to_page() on a module address,
which ends to pointing to Nowhereland if you're lucky, or corrupt
your precious data if not.

This patch fixes the logic by mimicking what is done on arm:
- If we're patching a module and CONFIG_DEBUG_SET_MODULE_RONX is set,
  use vmalloc_to_page().
- If we're patching the kernel and CONFIG_DEBUG_RODATA is set,
  use virt_to_page().
- Otherwise, use the provided address, as we can write to it directly.

Tested on 4.0-rc1 as a KVM guest.

Reported-by: Richard W.M. Jones <rjones@redhat.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Laura Abbott <lauraa@codeaurora.org>
Tested-by: Richard W.M. Jones <rjones@redhat.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2015-02-26 18:34:27 +00:00
Linus Torvalds
7dac5cb1bc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fix from Chris Mason:
 "I'm still testing more fixes, but I wanted to get out the fix for the
  btrfs raid5/6 memory corruption I mentioned in my merge window pull"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
  Btrfs: fix allocation size calculations in alloc_btrfs_bio
2015-02-26 10:34:24 -08:00
Ard Biesheuvel
0eee0fbd41 arm64: crypto: increase AES interleave to 4x
This patch increases the interleave factor for parallel AES modes
to 4x. This improves performance on Cortex-A57 by ~35%. This is
due to the 3-cycle latency of AES instructions on the A57's
relatively deep pipeline (compared to Cortex-A53 where the AES
instruction latency is only 2 cycles).

At the same time, disable inline expansion of the core AES functions,
as the performance benefit of this feature is negligible.

  Measured on AMD Seattle (using tcrypt.ko mode=500 sec=1):

  Baseline (2x interleave, inline expansion)
  ------------------------------------------
  testing speed of async cbc(aes) (cbc-aes-ce) decryption
  test 4 (128 bit key, 8192 byte blocks): 95545 operations in 1 seconds
  test 14 (256 bit key, 8192 byte blocks): 68496 operations in 1 seconds

  This patch (4x interleave, no inline expansion)
  -----------------------------------------------
  testing speed of async cbc(aes) (cbc-aes-ce) decryption
  test 4 (128 bit key, 8192 byte blocks): 124735 operations in 1 seconds
  test 14 (256 bit key, 8192 byte blocks): 92328 operations in 1 seconds

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2015-02-26 18:31:46 +00:00
Feng Kan
6910fa16db arm64: enable PTE type bit in the mask for pte_modify
Caught during Trinity testing. The pte_modify does not allow
modification for PTE type bit. This cause the test to hang
the system. It is found that the PTE can't transit from an
inaccessible page (b00) to a valid page (b11) because the mask
does not allow it. This happens when a big block of mmaped
memory is set the PROT_NONE, then the a small piece is broken
off and set to PROT_WRITE | PROT_READ cause a huge page split.

Signed-off-by: Feng Kan <fkan@apm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2015-02-26 18:30:12 +00:00
Yingjoe Chen
06ff87bae8 arm64: mm: remove unused functions and variable protoypes
The functions __cpu_flush_user_tlb_range and __cpu_flush_kern_tlb_range
were removed in commit fa48e6f780 'arm64: mm: Optimise tlb flush logic
where we have >4K granule'. Global variable cpu_tlb was never used in
arm64.

Remove them.

Signed-off-by: Yingjoe Chen <yingjoe.chen@mediatek.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2015-02-26 18:25:38 +00:00
Will Deacon
f5e0a12ca2 arm64: psci: move psci firmware calls out of line
An arm64 allmodconfig fails to build with GCC 5 due to __asmeq
assertions in the PSCI firmware calling code firing due to mcount
preambles breaking our assumptions about register allocation of function
arguments:

  /tmp/ccDqJsJ6.s: Assembler messages:
  /tmp/ccDqJsJ6.s:60: Error: .err encountered
  /tmp/ccDqJsJ6.s:61: Error: .err encountered
  /tmp/ccDqJsJ6.s:62: Error: .err encountered
  /tmp/ccDqJsJ6.s:99: Error: .err encountered
  /tmp/ccDqJsJ6.s💯 Error: .err encountered
  /tmp/ccDqJsJ6.s:101: Error: .err encountered

This patch fixes the issue by moving the PSCI calls out-of-line into
their own assembly files, which are safe from the compiler's meddling
fingers.

Reported-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2015-02-26 18:23:53 +00:00
Nathan Lynch
e1b6b6ce55 arm64: vdso: minor ABI fix for clock_getres
The vdso implementation of clock_getres currently returns 0 (success)
whenever a null timespec is provided by the caller, regardless of the
clock id supplied.

This behavior is incorrect.  It should fall back to syscall when an
unrecognized clock id is passed, even when the timespec argument is
null.  This ensures that clock_getres always returns an error for
invalid clock ids.

Signed-off-by: Nathan Lynch <nathan_lynch@mentor.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2015-02-26 18:13:51 +00:00
Geert Uytterhoeven
4a3a6f8669 ARM: multi_v7_defconfig: Enable shmobile platforms
Enable support for shmobile platforms that became multi-platform aware.
Several non-critical drivers and subsystems are built as modules, to keep
kernel size reasonable.

Tested on:
  - r8a73a4/ape6evm:
      - U-Boot fails with "Error: unrecognized/unsupported machine ID",
      - kexec works.
  - r8a7740/armadillo:
      - Hermit boot loader fails (larger image, more memory corruption),
      - kexec works.
  - r8a7791/koelsch,
  - sh73a0/kzm9g:
      - zImage+DTB from U-Boot needs CONFIG_ARM_ATAG_DTB_COMPAT=n,
      - kexec works.
  - am335x/boneblack.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-02-26 16:36:09 +01:00
Nicolas Ferre
0bb59cb00e drm: atmel-hlcdc: remove clock polarity from crtc driver
Remove this configuration bit in crtc driver as the rising edge clock is widely
used.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2015-02-26 14:19:13 +01:00
Alex Deucher
3473f542ab drm/radeon: only enable DP audio if the monitor supports it
We were enabling DP secondary streams even if the monitor
didn't support them.  Fixes display problems on some DP
monitors.

Tested-by: Jim Boz <jim876@xs4all.nl>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-02-25 16:06:10 -05:00
Alex Deucher
94a47c49fe drm/radeon: fix atom aux payload size check for writes (v2)
The atom aux param interface only supports 4 bits for
the total write transfer size (header + payload).  This
limits us to 12 bytes of payload rather than 16.  Add a
check for this. Reads are not affected.

v2: switch to WARN_ON_ONCE

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-02-25 16:06:10 -05:00
Alex Deucher
dbfb00c3e7 drm/radeon: fix 1 RB harvest config setup for TN/RL
The logic was reversed from what the hw actually exposed.
Fixes graphics corruption in certain harvest configurations.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2015-02-25 16:06:09 -05:00
Christian König
acc1522a54 drm/radeon: enable SRBM timeout interrupt on EG/NI
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-02-25 16:06:08 -05:00
Christian König
18ad01effe drm/radeon: enable SRBM timeout interrupt on SI
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-02-25 16:06:08 -05:00
Leo Liu
dc12a3ec71 drm/radeon: enable SRBM timeout interrupt on CIK v2
v2: disable it on suspend

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-02-25 16:06:07 -05:00
Alex Deucher
e1b4e722f7 drm/radeon: dump full IB if we hit a packet error
Dump the whole IB if we run into an invalid packet.
This makes things much easier to debug.

bug:
https://bugs.freedesktop.org/show_bug.cgi?id=89148

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-02-25 16:06:06 -05:00
Alex Deucher
951caa6acf drm/radeon: disable mclk switching with 120hz+ monitors
These tend to be problematic even if the vblank period is
long enough.  This needs more investigation across a wider
range of displays.  Disable for now.

bugs:
https://bugs.freedesktop.org/show_bug.cgi?id=87796
https://bugs.freedesktop.org/show_bug.cgi?id=89198

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2015-02-25 16:06:06 -05:00
Alex Deucher
3d2d98ee1a drm/radeon: use drm_mode_vrefresh() rather than mode->vrefresh
Just in case it hasn't been calculated for the mode.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2015-02-25 16:06:05 -05:00
Nathan-J. Hirschauer
7a26f9ad1b drm/radeon: enable native backlight control on old macs
Commit b7bc596ebb ("drm/radeon: disable native
backlight control on pre-r6xx asics (v2)") accidently
broke backlight control on old mac laptops that use the
on-GPU backlight controller.

Signed-off-by: Nathan-J. Hirschauer <nathanhi@deepserve.info>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2015-02-25 16:05:53 -05:00
David Ahern
4861f87cd3 perf tools: Make sparc64 arch point to sparc
The recent build changes cause perf to not compile for sparc64 since the
arch/sparc64/Build file does not exist:

/home/dahern/kernels/linux.git/tools/build/Makefile.build:40: arch/sparc64/Build: No such file or directory

Fix by converting the sparc64 RAW_ARCH to sparc ARCH -- similar to what
is done for x86_64.

Signed-off-by: David Ahern <david.ahern@oracle.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/1424306222-96843-1-git-send-email-david.ahern@oracle.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-02-25 17:39:17 -03:00
David Ahern
e370a3d576 perf symbols: Define EM_AARCH64 for older OSes
4886f2ca19 added an arm-64 check, but the EM_AARCH64 macro is not
defined in older releases (e.g., RHEL6). Define if it is not defined.

Signed-off-by: David Ahern <david.ahern@oracle.com>
Cc: Victor Kamensky <victor.kamensky@linaro.org>
Link: http://lkml.kernel.org/r/1424306017-96797-1-git-send-email-david.ahern@oracle.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-02-25 17:39:17 -03:00
David Ahern
a73b6c199a perf top: Fix SIGBUS on sparc64
perf-top is terminating due to SIGBUS on sparc64. git bisect points to:

    commit 8239698603
    Author: Arnaldo Carvalho de Melo <acme@redhat.com>
    Date:   Mon Sep 8 13:26:35 2014 -0300

        perf evlist: Refcount mmaps

        We need to know how many fds are using a perf mmap via
        PERF_EVENT_IOC_SET_OUTPUT, so that we can know when to ditch an mmap,
        refcount it.

This commit added 'int refcnt' to struct perf_mmap and the addition makes the
event_copy element no longer 8-byte aligned.

Fix by adding __attribute__((aligned(8))) to the event_copy struct
member.

Signed-off-by: David Ahern <david.ahern@oracle.com>
Link: http://lkml.kernel.org/r/1424304198-92028-1-git-send-email-david.ahern@oracle.com
[ Switched from 'int pad;' to using __attribute__, David tested/acked that ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-02-25 17:37:44 -03:00
Adrian Hunter
48536c9195 perf tools: Fix probing for PERF_FLAG_FD_CLOEXEC flag
Commit f6edb53c49 converted the probe to
a CPU wide event first (pid == -1). For kernels that do not support
the PERF_FLAG_FD_CLOEXEC flag the probe fails with EINVAL. Since this
errno is not handled pid is not reset to 0 and the subsequent use of
pid = -1 as an argument brings in an additional failure path if
perf_event_paranoid > 0:

$ perf record -- sleep 1
perf_event_open(..., 0) failed unexpectedly with error 13 (Permission denied)
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.007 MB /tmp/perf.data (11 samples) ]

Also, ensure the fd of the confirmation check is closed and comment why
pid = -1 is used.

Needs to go to 3.18 stable tree as well.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Based-on-patch-by: David Ahern <david.ahern@oracle.com>
Acked-by: David Ahern <david.ahern@oracle.com>
Cc: David Ahern <dsahern@gmail.com>
Link: http://lkml.kernel.org/r/54EC610C.8000403@intel.com
Cc: stable@vger.kernel.org  # v3.18+
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-02-25 16:40:13 -03:00
Arnd Bergmann
6af714b069 Fixes for various omap devices. It's all dts and defconfig
changes for this set:
 
 - Fix wrong DMA properties for dma to avoid them getting
   copied wrong again before we start actually using them
 
 - USB fixes to revert the extcon changes as the driver did not
   get merged yet and cause issues
 
 - Omap5 and dra7 fixes to boot from sata
 
 - Fix few am437x issues for i2c and pinctrl
 
 - Fix beaglebone for hardwared USB configuration
 
 - Defconfig changes for NAND, SATA and TPS62362
 
 - Fix n900 i2c numbering for legacy user space and smc91x
   register offset so it works also for qemu
 
 - Fix incomplete USB configuration for dm816x
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Merge tag 'fixes-v4.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

Fixes for various omap devices. It's all dts and defconfig
changes for this set:

- Fix wrong DMA properties for dma to avoid them getting
  copied wrong again before we start actually using them

- USB fixes to revert the extcon changes as the driver did not
  get merged yet and cause issues

- Omap5 and dra7 fixes to boot from sata

- Fix few am437x issues for i2c and pinctrl

- Fix beaglebone for hardwared USB configuration

- Defconfig changes for NAND, SATA and TPS62362

- Fix n900 i2c numbering for legacy user space and smc91x
  register offset so it works also for qemu

- Fix incomplete USB configuration for dm816x

* tag 'fixes-v4.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: am335x-bone*: usb0 is hardwired for peripheral
  ARM: dts: dra7x-evm: beagle-x15: Fix USB Host
  ARM: omap2plus_defconfig: Fix SATA boot
  ARM: omap2plus_defconfig: Enable OMAP NAND BCH driver
  ARM: dts: dra7: Correct the dma controller's property names
  ARM: dts: omap5: Correct the dma controller's property names
  ARM: dts: omap4: Correct the dma controller's property names
  ARM: dts: omap3: Correct the dma controller's property names
  ARM: dts: omap2: Correct the dma controller's property names
  ARM: dts: am437x-idk: fix sleep pinctrl state
  ARM: omap2plus_defconfig: enable TPS62362 regulator
  ARM: dts: am437x-idk: fix TPS62362 i2c bus
  ARM: dts: n900: Fix offset for smc91x ethernet
  ARM: dts: n900: fix i2c bus numbering
  ARM: dts: Fix USB dts configuration for dm816x
  ARM: dts: OMAP5: Fix SATA PHY node
  ARM: dts: DRA7: Fix SATA PHY node
2015-02-25 17:12:35 +01:00
Sudeep Holla
7934d69abf arm64: Add L2 cache topology to ARM Ltd boards/models
Commit 5d425c1865 ("arm64: kernel: add support for cpu cache
information") adds cacheinfo support for ARM64. Since there's no
architectural way of detecting the cpus that share particular cache,
device tree can be used and the core cacheinfo already supports the
same.

This patch adds the L2 cache topology on Juno board, FVP/RTSM and
foundation models.

Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Liviu Dudau <Liviu.Dudau@arm.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-02-25 17:12:21 +01:00