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Author SHA1 Message Date
Tang Chen
a0acda9172 acpi, numa, mem_hotplug: mark all nodes the kernel resides un-hotpluggable 
At very early time, the kernel have to use some memory such as loading
the kernel image.  We cannot prevent this anyway.  So any node the
kernel resides in should be un-hotpluggable.

Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com>
Reviewed-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: "Rafael J . Wysocki" <rjw@sisk.pl>
Cc: Chen Tang <imtangchen@gmail.com>
Cc: Gong Chen <gong.chen@linux.intel.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Jiang Liu <jiang.liu@huawei.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: Larry Woodman <lwoodman@redhat.com>
Cc: Len Brown <lenb@kernel.org>
Cc: Liu Jiang <jiang.liu@huawei.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Michal Nazarewicz <mina86@mina86.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Prarit Bhargava <prarit@redhat.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Taku Izumi <izumi.taku@jp.fujitsu.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Thomas Renninger <trenn@suse.de>
Cc: Toshi Kani <toshi.kani@hp.com>
Cc: Vasilis Liaskovitis <vasilis.liaskovitis@profitbricks.com>
Cc: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Cc: Wen Congyang <wency@cn.fujitsu.com>
Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2014-01-21 16:19:45 -08:00
Tang Chen
05d1d8cb1c acpi, numa, mem_hotplug: mark hotpluggable memory in memblock 
When parsing SRAT, we know that which memory area is hotpluggable.  So we
invoke function memblock_mark_hotplug() introduced by previous patch to
mark hotpluggable memory in memblock.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com>
Reviewed-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: "Rafael J . Wysocki" <rjw@sisk.pl>
Cc: Chen Tang <imtangchen@gmail.com>
Cc: Gong Chen <gong.chen@linux.intel.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Jiang Liu <jiang.liu@huawei.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: Larry Woodman <lwoodman@redhat.com>
Cc: Len Brown <lenb@kernel.org>
Cc: Liu Jiang <jiang.liu@huawei.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Michal Nazarewicz <mina86@mina86.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Prarit Bhargava <prarit@redhat.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Taku Izumi <izumi.taku@jp.fujitsu.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Thomas Renninger <trenn@suse.de>
Cc: Toshi Kani <toshi.kani@hp.com>
Cc: Vasilis Liaskovitis <vasilis.liaskovitis@profitbricks.com>
Cc: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Cc: Wen Congyang <wency@cn.fujitsu.com>
Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2014-01-21 16:19:45 -08:00
Tang Chen
e7e8de5918 memblock: make memblock_set_node() support different memblock_type 
[sfr@canb.auug.org.au: fix powerpc build]
Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com>
Reviewed-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: "Rafael J . Wysocki" <rjw@sisk.pl>
Cc: Chen Tang <imtangchen@gmail.com>
Cc: Gong Chen <gong.chen@linux.intel.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Jiang Liu <jiang.liu@huawei.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: Larry Woodman <lwoodman@redhat.com>
Cc: Len Brown <lenb@kernel.org>
Cc: Liu Jiang <jiang.liu@huawei.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Michal Nazarewicz <mina86@mina86.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Prarit Bhargava <prarit@redhat.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Taku Izumi <izumi.taku@jp.fujitsu.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Thomas Renninger <trenn@suse.de>
Cc: Toshi Kani <toshi.kani@hp.com>
Cc: Vasilis Liaskovitis <vasilis.liaskovitis@profitbricks.com>
Cc: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Cc: Wen Congyang <wency@cn.fujitsu.com>
Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2014-01-21 16:19:44 -08:00
Mel Gorman
aec6a8889a mm, show_mem: remove SHOW_MEM_FILTER_PAGE_COUNT 
Commit 4b59e6c473 ("mm, show_mem: suppress page counts in
non-blockable contexts") introduced SHOW_MEM_FILTER_PAGE_COUNT to
suppress PFN walks on large memory machines.  Commit c78e93630d ("mm:
do not walk all of system memory during show_mem") avoided a PFN walk in
the generic show_mem helper which removes the requirement for
SHOW_MEM_FILTER_PAGE_COUNT in that case.

This patch removes PFN walkers from the arch-specific implementations
that report on a per-node or per-zone granularity.  ARM and unicore32
still do a PFN walk as they report memory usage on each bank which is a
much finer granularity where the debugging information may still be of
use.  As the remaining arches doing PFN walks have relatively small
amounts of memory, this patch simply removes SHOW_MEM_FILTER_PAGE_COUNT.

[akpm@linux-foundation.org: fix parisc]
Signed-off-by: Mel Gorman <mgorman@suse.de>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: James Bottomley <jejb@parisc-linux.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2014-01-21 16:19:44 -08:00
Wanlong Gao
53a52f17d9 arch/sh/kernel/kgdb.c: add missing #include <linux/sched.h> 
arch/sh/kernel/kgdb.c: In function 'sleeping_thread_to_gdb_regs':
  arch/sh/kernel/kgdb.c:225:32: error: implicit declaration of function 'task_stack_page' [-Werror=implicit-function-declaration]
  arch/sh/kernel/kgdb.c:242:23: error: dereferencing pointer to incomplete type
  arch/sh/kernel/kgdb.c:243:22: error: dereferencing pointer to incomplete type
  arch/sh/kernel/kgdb.c: In function 'singlestep_trap_handler':
  arch/sh/kernel/kgdb.c:310:27: error: 'SIGTRAP' undeclared (first use in this function)
  arch/sh/kernel/kgdb.c:310:27: note: each undeclared identifier is reported only once for each function it appears in

This was introduced by commit 16559ae48c ("kgdb: remove #include
<linux/serial_8250.h> from kgdb.h").

[geert@linux-m68k.org: reworded and reformatted]
Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@linux-m68k.org>
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2014-01-21 16:19:42 -08:00
Geert Uytterhoeven
227d006628 score: remove "select HAVE_GENERIC_HARDIRQS" again 
Commit 5fbbf8a1a9 ("Score: The commit is for compiling successfully.")
re-introduced "select HAVE_GENERIC_HARDIRQS" in v3.12-rc4, which had
just been removed in v3.12-rc1 by 0244ad004a ("Remove GENERIC_HARDIRQ
config option").

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Chen Liqin <liqin.linux@gmail.com>
Cc: Lennox Wu <lennox.wu@gmail.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2014-01-21 16:19:41 -08:00
Linus Torvalds
ac26663572 MFD changes due for the v3.14 merge window 
New drivers
  - Samsung Maxim 14577; Micro USB, Regulator, IRQ Controller and Battery Charger
  - TI/National Semiconductor LP3943 I2C GPIO Expander and PWM Generator
 
 Existing driver adaptions
  - Expansion of Wolfson Arizona DSP and High-Pass filter controls
  - TI TWL6040 default Regmap support and Regcache addition/bypass
  - Some nice Smatch catch fixes
  - Conversion of TI OMAP-USB and TI TWL6030 to endian neutralness
  - ChromeOS EC timing (delay) adaptions and added dependency on OF
  - Many constifications of 'struct {mfd_cell,regmap_irq,et. al}'
  - Watchdog support added for NVIDIA AS3722
  - Convert functions to static in TI AM335x
  - Realigned previously defeated functionality in TI AM335x
  - IIO ADC-TSC concurrency dead-lock/timeout resolution
  - Addition of Power Management and Clock support for Samsung core
  - DEFINE_PCI_DEVICE_TABLE macro removal from MFD Subsystem
  - Greater use of irqdomain functionality in ST-E AB8500
  - Removal of 'include/linux/mfd/abx500/ab8500-gpio.h'
  - Wolfson WM831x PMIC Power Management changes s/poweroff/shutdown/
  - Device Tree documentation added for TI/Nat Semi LP3943
  - Version detection and voltage tables for TI TPS6586x PMIC devices
  - Simplification of Freescale MC13XXX (de-)initialisation routines
  - Clean-up and simplification of the Realtek parent driver
  - Added support for RTL8402 Realtek PCI-Express card reader
  - Resource leak fix for Maxim 77686
  - Possible suspend BUG() fix in OMAP USB TLL
  - Support for new Wolfson WM5110 Revision (D)
  - Testing of automatic assignment of of_node in mfd_add_device()
    - Reversion of the above when it started to cause issues
  - Remove legacy Platform Data from;
               TI TWL Core, Qualcomm SSBI and ST-E ABx500 Pinctrl
  - Clean-ups; tabbing issues, function name changes, 'drvdata = NULL' removal,
               unused uninitialised warning mitigation, error message clarity,
               removal of redundant/duplicate checks, licensing (GPL -> GPL2),
               coding consistency, duplicate function declaration, ret checks,
               commit corrections, redundant of_match_ptr() helper removal,
               spelling, #if-deffery removal and header guards name changes
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Merge tag 'mfd-3.14-1' of git://git.linaro.org/people/ljones/mfd

Pull MFD changes from Lee Jones:
 "New drivers
   - Samsung Maxim 14577; Micro USB, Regulator, IRQ Controller and
     Battery Charger
   - TI/National Semiconductor LP3943 I2C GPIO Expander and PWM
     Generator

  Existing driver adaptions
   - Expansion of Wolfson Arizona DSP and High-Pass filter controls
   - TI TWL6040 default Regmap support and Regcache addition/bypass
   - Some nice Smatch catch fixes
   - Conversion of TI OMAP-USB and TI TWL6030 to endian neutralness
   - ChromeOS EC timing (delay) adaptions and added dependency on OF
   - Many constifications of 'struct {mfd_cell,regmap_irq,et.al}'
   - Watchdog support added for NVIDIA AS3722
   - Convert functions to static in TI AM335x
   - Realigned previously defeated functionality in TI AM335x
   - IIO ADC-TSC concurrency dead-lock/timeout resolution
   - Addition of Power Management and Clock support for Samsung core
   - DEFINE_PCI_DEVICE_TABLE macro removal from MFD Subsystem
   - Greater use of irqdomain functionality in ST-E AB8500
   - Removal of 'include/linux/mfd/abx500/ab8500-gpio.h'
   - Wolfson WM831x PMIC Power Management changes s/poweroff/shutdown/
   - Device Tree documentation added for TI/Nat Semi LP3943
   - Version detection and voltage tables for TI TPS6586x PMIC devices
   - Simplification of Freescale MC13XXX (de-)initialisation routines
   - Clean-up and simplification of the Realtek parent driver
   - Added support for RTL8402 Realtek PCI-Express card reader
   - Resource leak fix for Maxim 77686
   - Possible suspend BUG() fix in OMAP USB TLL
   - Support for new Wolfson WM5110 Revision (D)
   - Testing of automatic assignment of of_node in mfd_add_device()
   - Reversion of the above when it started to cause issues
   - Remove legacy Platform Data from;
              TI TWL Core, Qualcomm SSBI and ST-E ABx500 Pinctrl
   - Clean-ups; tabbing issues, function name changes, 'drvdata = NULL'
              removal, unused uninitialised warning mitigation, error
              message clarity, removal of redundant/duplicate checks,
              licensing (GPL -> GPL2), coding consistency, duplicate
              function declaration, ret checks, commit corrections,
              redundant of_match_ptr() helper removal, spelling,
              #if-deffery removal and header guards name changes"

* tag 'mfd-3.14-1' of git://git.linaro.org/people/ljones/mfd: (78 commits)
  mfd: wm5110: Add register patch for rev D chip
  mfd: omap-usb-tll: Don't hold lock during pm_runtime_get/put_sync()
  gpio: lp3943: Remove redundant of_match_ptr helper
  mfd: sta2x11-mfd: Use named constants for pci_power_t values
  Documentation: mfd: Fix LDO index in s2mps11.txt
  mfd: Cleanup mfd-mcp-sa11x0.h header
  mfd: max8997: Use "IS_ENABLED(CONFIG_OF)" for DT code.
  mfd: twl6030: Fix endianness problem in IRQ handler
  mfd: sec-core: Add cells for S5M8767-clocks
  mfd: max14577: Remove redundant of_match_ptr helper
  mfd: twl6040: Fix sparse non static symbol warning
  mfd: Revert "mfd: Always assign of_node in mfd_add_device()"
  mfd: rtsx: Fix sparse non static symbol warning
  mfd: max77693: Set proper maximum register for MUIC regmap
  mfd: max77686: Fix regmap resource leak on driver remove
  mfd: Represent correct filenames in file headers
  mfd: rtsx: Add support for card reader rtl8402
  mfd: rtsx: Add set pull control macro and simplify rtl8411
  mfd: max8997: Enforce mfd_add_devices() return value check
  mfd: mc13xxx: Simplify probe() & remove()
  ...
 2014-01-21 10:58:17 -08:00
Linus Torvalds
d4371f94bc sound updates for 3.14-rc1 
It was holiday season, so no wonder that there are little changes in
 framework level, although diffstat shows quite many changes spreaded
 over sound/* directories.  Most of changes are cleanups, code
 refactoring and fixes.
 
 Some highlights:
 
 - Removal of OSS sleep_on usages by Arnd
 
 - Simplified memalloc helper codes, drop obsoleted features;
   now it's built into PCM driver instead of an individual module
 
 - Warn if PCM buffer preallocation fails, which will show page
   allocation issues more clearly
 
 - Compress offload API updates for sample rates by Vinod
 
 - PCM glitch workaround on ctxfi emu20k1 by Sarah
 
 - Drop cs46xx DSP blobs, using firmware loader now
 
 - USB-audio quitks for Plantronics Gamecom 780, Creative VF0420,
   and Focusrite Saffire 6
 
 HD-audio specifics:
 
 - Standardize Kconfigs of HD-audio codec drivers;
   now "make localmodconfig" recognizes configs properly (finally!)
 
 - Parallel PM implementation by Mengdong
 
 - BayleyBay/ValleyView2 board fixups
 
 - Broadwell audio support
 
 - Runtime PM improvement (PantherPoint, etc)
 
 - Quirks: Dell subwooer, Gigabyte mobo jack detection oddity,
   Dell AiO click noise fixes, Dell headset mic fixes, etc
 
 - Automatic bind with HDMI codec parser without generic parser
 
 - More AD codec fixes (since 3.12 regression) including the automatic
   stereo mix support
 
 - Common Thinkpad ACPI helper for Realtek and Conexant codecs
 
 ASoC specifics:
 
 - Update to the generic DMA code to support deferred probe and managed
   resources
 
 - New drivers for BCM2835 (used in Raspberry Pi), Tegra with MAX98090
   and Analog Devices AXI I2S and S/PDIF controller IPs
 
 - Device tree support for the simple card, max98090 and cs42l52
 
 - Conversion of the Samsung drivers to native dmaengine, making them
   multiplatform compatible and hopefully helping keep them more modern
   and up to date.
 
 - More regmap conversions, including a very welcome one for twl6040
   from Peter Ujfalusi
 
 - A big overhaul of the DaVinci drivers also from Peter Ujfalusi
 
 - Lots of DMA updates from Lars-Peter
 
 - Improvements to the constraints handling code from Lars-Peter
 
 - A very helpful conversion of the TWL4030 driver to regmap from Peter
 
 - A new driver for the Freescale ESAI controller from Nicolin Chen
 
 - Conversion of some of the drivers to use params_width()
 
 - Extensions to DPCM for use with compressed audio from Liam
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Merge tag 'sound-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "It was holiday season, so no wonder that there are little changes in
  framework level, although diffstat shows quite many changes spreaded
  over sound/* directories.  Most of changes are cleanups, code
  refactoring and fixes.

  Some highlights:
   - Removal of OSS sleep_on usages by Arnd
   - Simplified memalloc helper codes, drop obsoleted features; now it's
     built into PCM driver instead of an individual module
   - Warn if PCM buffer preallocation fails, which will show page
     allocation issues more clearly
   - Compress offload API updates for sample rates by Vinod
   - PCM glitch workaround on ctxfi emu20k1 by Sarah
   - Drop cs46xx DSP blobs, using firmware loader now
   - USB-audio quitks for Plantronics Gamecom 780, Creative VF0420, and
     Focusrite Saffire 6

  HD-audio specifics:
   - Standardize Kconfigs of HD-audio codec drivers; now "make
     localmodconfig" recognizes configs properly (finally!)
   - Parallel PM implementation by Mengdong
   - BayleyBay/ValleyView2 board fixups
   - Broadwell audio support
   - Runtime PM improvement (PantherPoint, etc)
   - Quirks: Dell subwooer, Gigabyte mobo jack detection oddity, Dell
     AiO click noise fixes, Dell headset mic fixes, etc
   - Automatic bind with HDMI codec parser without generic parser
   - More AD codec fixes (since 3.12 regression) including the automatic
     stereo mix support
   - Common Thinkpad ACPI helper for Realtek and Conexant codecs

  ASoC specifics:
   - Update to the generic DMA code to support deferred probe and
     managed resources
   - New drivers for BCM2835 (used in Raspberry Pi), Tegra with MAX98090
     and Analog Devices AXI I2S and S/PDIF controller IPs
   - Device tree support for the simple card, max98090 and cs42l52
   - Conversion of the Samsung drivers to native dmaengine, making them
     multiplatform compatible and hopefully helping keep them more
     modern and up to date.
   - More regmap conversions, including a very welcome one for twl6040
     from Peter Ujfalusi
   - A big overhaul of the DaVinci drivers also from Peter Ujfalusi
   - Lots of DMA updates from Lars-Peter
   - Improvements to the constraints handling code from Lars-Peter
   - A very helpful conversion of the TWL4030 driver to regmap from Peter
   - A new driver for the Freescale ESAI controller from Nicolin Chen
   - Conversion of some of the drivers to use params_width()
   - Extensions to DPCM for use with compressed audio from Liam"

* tag 'sound-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (396 commits)
  ASoC: dapm: Fix double prefix addition
  ASoC: compress: Add suport for DPCM into compressed audio
  ASoC: DPCM: make some DPCM API calls non static for compressed usage
  ASoC: core: Fix possible NULL pointer dereference of pcm->config
  ALSA: hda - add headset mic detect quirks for some Dell machines
  ASoC: tlv320aic32x4: Fix regmap range_min
  ASoC: core: Return -ENOTSUPP from set_sysclk() if no operation provided
  ASoC: dapm: Change prototype of soc_widget_read
  ASoC: samsung: Remove SND_DMAENGINE_PCM_FLAG_NO_RESIDUE flag
  ASoC: axi-{spdif,i2s}: Remove SND_DMAENGINE_PCM_FLAG_NO_RESIDUE flag
  ASoC: generic-dmaengine-pcm: Check DMA residue granularity
  ASoC: generic-dmaengine-pcm: Check NO_RESIDUE flag at runtime
  dma: pl330: Set residue_granularity
  dma: Indicate residue granularity in dma_slave_caps
  ASoC: simple-card: fix one bug to writing to the platform data
  ASoC: pcm: Use snd_pcm_rate_mask_intersect() helper
  ALSA: Add helper function for intersecting two rate masks
  ASoC: s6000: Don't mix SNDRV_PCM_RATE_CONTINUOUS with specific rates
  ASoC: fsl: Don't mix SNDRV_PCM_RATE_CONTINUOUS with specific rates
  ASoC: pcm: Properly initialize hw->rate_max
  ...
 2014-01-21 10:26:23 -08:00
Linus Torvalds
a547df99aa Bulk pin control changes for the v3.14 cycle: 
- New driver for the Qualcomm TLMM pin controller and its
   msm8x74 subdriver.
 
 - New driver for the Broadcom Capri BCM281xx SoC.
 
 - New subdriver for the imx25 pin controller.
 
 - New subdriver for the Tegra124 pin controller.
 
 - Lock GPIO lines as IRQs for select combined pin control and
   GPIO drivers for baytrail and sirf.
 
 - Some semi-big refactorings and extenstions to the sirf
   driver.
 
 - Lots of patching, cleanup and fixing in the Renesas "PFC"
   driver and associated subdrivers as usual. It is settling
   down a little bit now it seems.
 
 - Minor fixes and incremental updates here and there as usual.
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Merge tag 'pinctrl-v3.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull bulk pin control changes from Linus Walleij:
 "This has been queued and tested for a while.  Lots of action here,
  like in the GPIO tree, embedded stuff like this is really hot now it
  seems.  Details in the signed tag.  I'm especially happy about the
  Qualcomm driver as it is used in such a huge subset of mobile handsets
  out there, and these platforms in general need better upstream support

   - New driver for the Qualcomm TLMM pin controller and its msm8x74
     subdriver.

   - New driver for the Broadcom Capri BCM281xx SoC.

   - New subdriver for the imx25 pin controller.

   - New subdriver for the Tegra124 pin controller.

   - Lock GPIO lines as IRQs for select combined pin control and GPIO
     drivers for baytrail and sirf.

   - Some semi-big refactorings and extenstions to the sirf driver.

   - Lots of patching, cleanup and fixing in the Renesas "PFC" driver
     and associated subdrivers as usual.  It is settling down a little
     bit now it seems.

   - Minor fixes and incremental updates here and there as usual"

* tag 'pinctrl-v3.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (72 commits)
  pinctrl: sunxi: Honor GPIO output initial vaules
  pinctrl: capri: add dependency on OF
  ARM: bcm11351: Enable pinctrl for Broadcom Capri SoCs
  ARM: pinctrl: Add Broadcom Capri pinctrl driver
  pinctrl: Add pinctrl binding for Broadcom Capri SoCs
  pinctrl: Add void * to pinctrl_pin_desc
  pinctrl: st: Fix a typo in probe
  pinctrl: Fix some typos and grammar issues in the documentation
  pinctrl: sirf: lock IRQs when starting them
  pinctrl: sirf: put gpio interrupt pin into input status automatically
  pinctrl: sirf: use only one irq_domain for the whole device node
  pinctrl: single: fix infinite loop caused by bad mask
  pinctrl: single: fix pcs_disable with bits_per_mux
  pinctrl: single: fix DT bindings documentation
  pinctrl: as3722: Set pin to output mode for some function
  pinctrl: sirf: add pin group for USP0 with only RX or TX frame sync
  pinctrl: sirf: fix the pins of sdmmc5 connected with TriG
  pinctrl: sirf: add lost usp1_uart_nostreamctrl group for atlas6
  pinctrl: sunxi: Add Allwinner A20 clock output pin functions
  pinctrl/lantiq: fix typo
  ...
 2014-01-21 10:14:10 -08:00
Linus Torvalds
8e50966072 GPIO tree bulk changes for v3.14 
A big set this merge window, as we have much going on in
 this subsystem. Major changes this time:
 
 - Some core improvements and cleanups to the new GPIO
   descriptor API. This seems to be working now so we can
   start the exodus to this API, moving gradually away from
   the global GPIO numberspace.
 
 - Incremental improvements to the ACPI GPIO core, and move
   the few GPIO ACPI clients we have to the GPIO descriptor
   API right *now* before we go any further. We actually
   managed to contain this *before* we started to litter
   the kernel with yet another hackish global numberspace for
   the ACPI GPIOs, which is a big win.
 
 - The RFkill GPIO driver and all platforms using it have
   been migrated to use the GPIO descriptors rather than
   fixed number assignments. Tegra machine has been migrated
   as part of this.
 
 - New drivers for MOXA ART, Xtensa GPIO32 and SMSC SCH311x.
   Those should be really good examples of how I expect a
   nice GPIO driver to look these days.
 
 - Do away with custom GPIO implementations on a major
   part of the ARM machines: ks8695, lpc32xx, mv78xx0.
   Make a first step towards the same in the horribly
   convoluted Samsung S3C include forest. We expect to
   continue to clean this up as we move forward.
 
 - Flag GPIO lines used for IRQ on adnp, bcm-kona, em,
   intel-mid and lynxpoint.
   This makes the GPIOlib core aware that a certain GPIO line
   is used for IRQs and can then enforce some semantics such
   as disallowing a GPIO line marked as in use for IRQ to be
   switched to output mode.
 
 - Drop all use of irq_set_chip_and_handler_name().
   The name provided in these cases were just unhelpful
   tags like "mux" or "demux".
 
 - Extend the MCP23s08 driver to handle interrupts.
 
 - Minor incremental improvements for rcar, lynxpoint, em
   74x164 and msm drivers.
 
 - Some non-urgent bug fixes here and there, duplicate
   #includes and that usual kind of cleanups.
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Merge tag 'gpio-v3.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO tree bulk changes from Linus Walleij:
 "A big set this merge window, as we have much going on in this
  subsystem.  The changes to other subsystems (notably a slew of ARM
  machines as I am doing away with their custom APIs) have all been
  ACKed to the extent possible.

  Major changes this time:

   - Some core improvements and cleanups to the new GPIO descriptor API.
     This seems to be working now so we can start the exodus to this
     API, moving gradually away from the global GPIO numberspace.

   - Incremental improvements to the ACPI GPIO core, and move the few
     GPIO ACPI clients we have to the GPIO descriptor API right *now*
     before we go any further.  We actually managed to contain this
     *before* we started to litter the kernel with yet another hackish
     global numberspace for the ACPI GPIOs, which is a big win.

   - The RFkill GPIO driver and all platforms using it have been
     migrated to use the GPIO descriptors rather than fixed number
     assignments.  Tegra machine has been migrated as part of this.

   - New drivers for MOXA ART, Xtensa GPIO32 and SMSC SCH311x.  Those
     should be really good examples of how I expect a nice GPIO driver
     to look these days.

   - Do away with custom GPIO implementations on a major part of the ARM
     machines: ks8695, lpc32xx, mv78xx0.  Make a first step towards the
     same in the horribly convoluted Samsung S3C include forest.  We
     expect to continue to clean this up as we move forward.

   - Flag GPIO lines used for IRQ on adnp, bcm-kona, em, intel-mid and
     lynxpoint.

     This makes the GPIOlib core aware that a certain GPIO line is used
     for IRQs and can then enforce some semantics such as disallowing a
     GPIO line marked as in use for IRQ to be switched to output mode.

   - Drop all use of irq_set_chip_and_handler_name().  The name provided
     in these cases were just unhelpful tags like "mux" or "demux".

   - Extend the MCP23s08 driver to handle interrupts.

   - Minor incremental improvements for rcar, lynxpoint, em 74x164 and
     msm drivers.

   - Some non-urgent bug fixes here and there, duplicate #includes and
     that usual kind of cleanups"

Fix up broken Kconfig file manually to make this all compile.

* tag 'gpio-v3.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (71 commits)
  gpio: mcp23s08: fix casting caused build warning
  gpio: mcp23s08: depend on OF_GPIO
  gpio: mcp23s08: Add irq functionality for i2c chips
  ARM: S5P[v210|c100|64x0]: Fix build error
  gpio: pxa: clamp gpio get value to [0,1]
  ARM: s3c24xx: explicit dependency on <plat/gpio-cfg.h>
  ARM: S3C[24|64]xx: move includes back under <mach/> scope
  Documentation / ACPI: update to GPIO descriptor API
  gpio / ACPI: get rid of acpi_gpio.h
  gpio / ACPI: register to ACPI events automatically
  mmc: sdhci-acpi: convert to use GPIO descriptor API
  ARM: s3c24xx: fix build error
  gpio: f7188x: set can_sleep attribute
  gpio: samsung: Update documentation
  gpio: samsung: Remove hardware.h inclusion
  gpio: xtensa: depend on HAVE_XTENSA_GPIO32
  gpio: clps711x: Enable driver compilation with COMPILE_TEST
  gpio: clps711x: Use of_match_ptr()
  net: rfkill: gpio: convert to descriptor-based GPIO interface
  leds: s3c24xx: Fix build failure
  ...
 2014-01-21 10:09:12 -08:00
Stefan Agner
844a4f0d8a regulator: tps6586x: Add and use correct voltage table 
Depending on the regulator version, the voltage table might be
different. Use version specific regulator tables in order to select
correct voltage table. For the following regulator versions different
voltage tables are now used:

  * TPS658623: Use correct voltage table for SM2
  * TPS658643: New voltage table for SM2

Both versions are in use on the Colibri T20 module. Make use of the
correct tables by requesting the correct SM2 voltage of 1.8V.

This change is not backward compatible since an old driver is not able
to correctly set that value. The value 1.8V is out of range for the old
driver and will refuse to probe the device. The regulator starts with
default settings and the driver shows appropriate error messages.

On Colibri T20, the old value used to work with TPS658623 since the
driver applied a wrong voltage table too. However, the TPS658643 used
on V1.2 devices uses yet another voltage table and those broke that
pseudo-compatibility. The regulator driver now has the correct voltage
table for both regulator versions and those the correct voltage can be
used in the device tree.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Acked-by: Mark Brown <broonie@linaro.org>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
 2014-01-21 08:28:01 +00:00
Linus Torvalds
ec513b16c4 USB patches for 3.14-rc1 
Here's the big USB pull request for 3.14-rc1
 
 Lots of little things all over the place, and the usual USB gadget
 updates, and XHCI fixes (some for an issue reported by a lot of people.)
 USB PHY updates as well as chipidea updates and fixes.
 
 All of these have been in the linux-next tree with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB updates from Greg KH:
 "Here's the big USB pull request for 3.14-rc1

  Lots of little things all over the place, and the usual USB gadget
  updates, and XHCI fixes (some for an issue reported by a lot of
  people).  USB PHY updates as well as chipidea updates and fixes.

  All of these have been in the linux-next tree with no reported issues"

* tag 'usb-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (318 commits)
  usb: chipidea: udc: using MultO at TD as real mult value for ISO-TX
  usb: chipidea: need to mask INT_STATUS when write otgsc
  usb: chipidea: put hw_phymode_configure before ci_usb_phy_init
  usb: chipidea: Fix Internal error: : 808 [#1] ARM related to STS flag
  usb: chipidea: imx: set CI_HDRC_IMX28_WRITE_FIX for imx28
  usb: chipidea: add freescale imx28 special write register method
  usb: ehci: add freescale imx28 special write register method
  usb: core: check for valid id_table when using the RefId feature
  usb: cdc-wdm: resp_count can be 0 even if WDM_READ is set
  usb: core: bail out if user gives an unknown RefId when using new_id
  usb: core: allow a reference device for new_id
  usb: core: add sanity checks when using bInterfaceClass with new_id
  USB: image: correct spelling mistake in comment
  USB: c67x00: correct spelling mistakes in comments
  usb: delete non-required instances of include <linux/init.h>
  usb:hub set hub->change_bits when over-current happens
  Revert "usb: chipidea: imx: set CI_HDRC_IMX28_WRITE_FIX for imx28"
  xhci: Set scatter-gather limit to avoid failed block writes.
  xhci: Avoid infinite loop when sg urb requires too many trbs
  usb: gadget: remove unused variable in gr_queue_int()
  ...
 2014-01-20 16:13:02 -08:00
Linus Torvalds
bcee63488e TTY/Serial driver patches for 3.14-rc1 
Here's the big tty/serial driver pull request for 3.14-rc1
 
 There are a number of n_tty fixes and cleanups, and some serial driver
 bugfixes, and we got rid of one obsolete driver, making this series
 remove more lines than added, always a nice surprise.
 
 All of these have been in linux-next with no reports of issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial driver updates from Greg KH:
 "Here's the big tty/serial driver pull request for 3.14-rc1

  There are a number of n_tty fixes and cleanups, and some serial driver
  bugfixes, and we got rid of one obsolete driver, making this series
  remove more lines than added, always a nice surprise.

  All of these have been in linux-next with no reports of issues"

* tag 'tty-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (60 commits)
  tty/serial: at91: disable uart timer at start of shutdown
  serial: 8250: enable UART_BUG_NOMSR for Tegra
  tty/serial: at91: reset rx_ring when port is shutdown
  tty/serial: at91: fix race condition in atmel_serial_remove
  tty/serial: at91: Handle shutdown more safely
  serial: sirf: correct condition for fetching dma buffer into tty
  serial: sirf: provide pm entries of uart_ops
  serial: sirf: use PM macro initialize PM functions
  serial: clps711x: Enable driver compilation with COMPILE_TEST
  serial: clps711x: Add support for N_IRDA line discipline
  tty: synclink: avoid sleep_on race
  tty/amiserial: avoid interruptible_sleep_on
  tty: delete non-required instances of include <linux/init.h>
  tty: an overflow of multiplication in drivers/tty/cyclades.c
  serial: Remove old SC26XX driver
  serial: add support for 200 v3 series Titan card
  serial: 8250: Fix initialisation of Quatech cards with the AMCC PCI chip
  tty: Removing the deprecated function tty_vhangup_locked()
  TTY/n_gsm: Removing the wrong tty_unlock/lock() in gsm_dlci_release()
  tty/serial: at91: document clock properties
  ...
 2014-01-20 16:05:23 -08:00
Linus Torvalds
d3bad75a6d Driver core / sysfs patches for 3.14-rc1 
Here's the big driver core and sysfs patch set for 3.14-rc1.
 
 There's a lot of work here moving sysfs logic out into a "kernfs" to
 allow other subsystems to also have a virtual filesystem with the same
 attributes of sysfs (handle device disconnect, dynamic creation /
 removal  as needed / unneeded, etc.  This is primarily being done for
 the cgroups filesystem, but the goal is to also move debugfs to it when
 it is ready, solving all of the known issues in that filesystem as well.
 The code isn't completed yet, but all should be stable now (there is a
 big section that was reverted due to problems found when testing.)
 
 There's also some other smaller fixes, and a driver core addition that
 allows for a "collection" of objects, that the DRM people will be using
 soon (it's in this tree to make merges after -rc1 easier.)
 
 All of this has been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core / sysfs patches from Greg KH:
 "Here's the big driver core and sysfs patch set for 3.14-rc1.

  There's a lot of work here moving sysfs logic out into a "kernfs" to
  allow other subsystems to also have a virtual filesystem with the same
  attributes of sysfs (handle device disconnect, dynamic creation /
  removal as needed / unneeded, etc)

  This is primarily being done for the cgroups filesystem, but the goal
  is to also move debugfs to it when it is ready, solving all of the
  known issues in that filesystem as well.  The code isn't completed
  yet, but all should be stable now (there is a big section that was
  reverted due to problems found when testing)

  There's also some other smaller fixes, and a driver core addition that
  allows for a "collection" of objects, that the DRM people will be
  using soon (it's in this tree to make merges after -rc1 easier)

  All of this has been in linux-next with no reported issues"

* tag 'driver-core-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (113 commits)
  kernfs: associate a new kernfs_node with its parent on creation
  kernfs: add struct dentry declaration in kernfs.h
  kernfs: fix get_active failure handling in kernfs_seq_*()
  Revert "kernfs: fix get_active failure handling in kernfs_seq_*()"
  Revert "kernfs: replace kernfs_node->u.completion with kernfs_root->deactivate_waitq"
  Revert "kernfs: remove KERNFS_ACTIVE_REF and add kernfs_lockdep()"
  Revert "kernfs: remove KERNFS_REMOVED"
  Revert "kernfs: restructure removal path to fix possible premature return"
  Revert "kernfs: invoke kernfs_unmap_bin_file() directly from __kernfs_remove()"
  Revert "kernfs: remove kernfs_addrm_cxt"
  Revert "kernfs: make kernfs_get_active() block if the node is deactivated but not removed"
  Revert "kernfs: implement kernfs_{de|re}activate[_self]()"
  Revert "kernfs, sysfs, driver-core: implement kernfs_remove_self() and its wrappers"
  Revert "pci: use device_remove_file_self() instead of device_schedule_callback()"
  Revert "scsi: use device_remove_file_self() instead of device_schedule_callback()"
  Revert "s390: use device_remove_file_self() instead of device_schedule_callback()"
  Revert "sysfs, driver-core: remove unused {sysfs|device}_schedule_callback_owner()"
  Revert "kernfs: remove unnecessary NULL check in __kernfs_remove()"
  kernfs: remove unnecessary NULL check in __kernfs_remove()
  drivers/base: provide an infrastructure for componentised subsystems
  ...
 2014-01-20 15:49:44 -08:00
Linus Torvalds
82b51734b4 - CPU suspend support on top of PSCI (firmware Power State Coordination 
Interface)
 - Jump label support
 - CMA can now be enabled on arm64
 - HWCAP bits for crypto and CRC32 extensions
 - Optimised percpu using tpidr_el1 register
 - Code cleanup
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull ARM64 updates from Catalin Marinas:
 - CPU suspend support on top of PSCI (firmware Power State Coordination
   Interface)
 - jump label support
 - CMA can now be enabled on arm64
 - HWCAP bits for crypto and CRC32 extensions
 - optimised percpu using tpidr_el1 register
 - code cleanup

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (42 commits)
  arm64: fix typo in entry.S
  arm64: kernel: restore HW breakpoint registers in cpu_suspend
  jump_label: use defined macros instead of hard-coding for better readability
  arm64, jump label: optimize jump label implementation
  arm64, jump label: detect %c support for ARM64
  arm64: introduce aarch64_insn_gen_{nop|branch_imm}() helper functions
  arm64: move encode_insn_immediate() from module.c to insn.c
  arm64: introduce interfaces to hotpatch kernel and module code
  arm64: introduce basic aarch64 instruction decoding helpers
  arm64: dts: Reduce size of virtio block device for foundation model
  arm64: Remove unused __data_loc variable
  arm64: Enable CMA
  arm64: Warn on NULL device structure for dma APIs
  arm64: Add hwcaps for crypto and CRC32 extensions.
  arm64: drop redundant macros from read_cpuid()
  arm64: Remove outdated comment
  arm64: cmpxchg: update macros to prevent warnings
  arm64: support single-step and breakpoint handler hooks
  ARM64: fix framepointer check in unwind_frame
  ARM64: check stack pointer in get_wchan
  ...
 2014-01-20 15:40:44 -08:00
Linus Torvalds
15c8102620 Merge branch 'x86-x32-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x32 uapi changes from Peter Anvin:
 "This is the first few of a set of patches by H.J.  Lu to make the
  kernel uapi headers usable for x32, as required by some non-glibc
  libcs.

  These particular patches make the stat and statfs structures usable"

* 'x86-x32-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, x32: Use __kernel_long_t for __statfs_word
  x86, x32: Use __kernel_long_t/__kernel_ulong_t in x86-64 stat.h
 2014-01-20 15:12:49 -08:00
Linus Torvalds
c9cdd9a6ae Merge branch 'x86/mpx' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 cpufeature and mpx updates from Peter Anvin:
 "This includes the basic infrastructure for MPX (Memory Protection
  Extensions) support, but does not include MPX support itself.  It is,
  however, a prerequisite for KVM support for MPX, which I believe will
  be pushed later this merge window by the KVM team.

  This includes moving the functionality in
  futex_atomic_cmpxchg_inatomic() into a new function in uaccess.h so it
  can be reused - this will be used by the final MPX patches.

  The actual MPX functionality (map management and so on) will be pushed
  in a future merge window, when ready"

* 'x86/mpx' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/intel/mpx: Remove unused LWP structure
  x86, mpx: Add MPX related opcodes to the x86 opcode map
  x86: replace futex_atomic_cmpxchg_inatomic() with user_atomic_cmpxchg_inatomic
  x86: add user_atomic_cmpxchg_inatomic at uaccess.h
  x86, xsave: Support eager-only xsave features, add MPX support
  x86, cpufeature: Define the Intel MPX feature flag
 2014-01-20 14:46:32 -08:00
Linus Torvalds
f4bcd8ccdd Merge branch 'x86-kaslr-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 kernel address space randomization support from Peter Anvin:
 "This enables kernel address space randomization for x86"

* 'x86-kaslr-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, kaslr: Clarify RANDOMIZE_BASE_MAX_OFFSET
  x86, kaslr: Remove unused including <linux/version.h>
  x86, kaslr: Use char array to gain sizeof sanity
  x86, kaslr: Add a circular multiply for better bit diffusion
  x86, kaslr: Mix entropy sources together as needed
  x86/relocs: Add percpu fixup for GNU ld 2.23
  x86, boot: Rename get_flags() and check_flags() to *_cpuflags()
  x86, kaslr: Raise the maximum virtual address to -1 GiB on x86_64
  x86, kaslr: Report kernel offset on panic
  x86, kaslr: Select random position from e820 maps
  x86, kaslr: Provide randomness functions
  x86, kaslr: Return location from decompress_kernel
  x86, boot: Move CPU flags out of cpucheck
  x86, relocs: Add more per-cpu gold special cases
 2014-01-20 14:45:50 -08:00
Linus Torvalds
7fe67a1180 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull leftover x86 fixes from Ingo Molnar:
 "Two leftover fixes that did not make it into v3.13"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86: Add check for number of available vectors before CPU down
  x86, cpu, amd: Add workaround for family 16h, erratum 793
 2014-01-20 12:11:41 -08:00
Linus Torvalds
fab5669d55 Merge branch 'x86-ras-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 RAS changes from Ingo Molnar:

 - SCI reporting for other error types not only correctable ones

 - GHES cleanups

 - Add the functionality to override error reporting agents as some
   machines are sporting a new extended error logging capability which,
   if done properly in the BIOS, makes a corresponding EDAC module
   redundant

 - PCIe AER tracepoint severity levels fix

 - Error path correction for the mce device init

 - MCE timer fix

 - Add more flexibility to the error injection (EINJ) debugfs interface

* 'x86-ras-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, mce: Fix mce_start_timer semantics
  ACPI, APEI, GHES: Cleanup ghes memory error handling
  ACPI, APEI: Cleanup alignment-aware accesses
  ACPI, APEI, GHES: Do not report only correctable errors with SCI
  ACPI, APEI, EINJ: Changes to the ACPI/APEI/EINJ debugfs interface
  ACPI, eMCA: Combine eMCA/EDAC event reporting priority
  EDAC, sb_edac: Modify H/W event reporting policy
  EDAC: Add an edac_report parameter to EDAC
  PCI, AER: Fix severity usage in aer trace event
  x86, mce: Call put_device on device_register failure
 2014-01-20 12:10:27 -08:00
Linus Torvalds
74e8ee8262 Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull Intel SoC changes from Ingo Molnar:
 "Improved Intel SoC platform support"

* 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, tsc, apic: Unbreak static (MSR) calibration when CONFIG_X86_LOCAL_APIC=n
  x86, tsc: Add static (MSR) TSC calibration on Intel Atom SoCs
  arch: x86: New MailBox support driver for Intel SOC's
 2014-01-20 12:09:31 -08:00
Linus Torvalds
8bd6964cbd Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 mm changes from Ingo Molnar:
 "A cleanup, a fix and ASLR support for hugetlb mappings"

* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/mm/numa: Fix 32-bit kernel NUMA boot
  x86/mm: Implement ASLR for hugetlb mappings
  x86/mm: Unify pte_to_pgoff() and pgoff_to_pte() helpers
 2014-01-20 12:08:51 -08:00
Linus Torvalds
2bb2c5e235 Merge branch 'x86-microcode-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 microcode loader updates from Ingo Molnar:
 "There are two main changes in this tree:

   - AMD microcode early loading fixes
   - some microcode loader source files reorganization"

* 'x86-microcode-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, microcode: Move to a proper location
  x86, microcode, AMD: Fix early ucode loading
  x86, microcode: Share native MSR accessing variants
  x86, ramdisk: Export relocated ramdisk VA
 2014-01-20 12:07:54 -08:00
Linus Torvalds
4500cf60db Merge branch 'x86-intel-mid-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull Intel MID updates from Ingo Molnar:
 "This tree improves Intel MID (Mobile Internet Device) platform
  support:

   - Merrifield platform support (David Cohen)
   - Clovertrail platform support (Kuppuswamy Sathyanarayanan)
   - Various cleanups and fixes (David Cohen)"

* 'x86-intel-mid-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, intel_mid: Replace memcpy with struct assignment
  x86, intel-mid: Return proper error code from get_gpio_by_name()
  x86, intel-mid: Check get_gpio_by_name() error code on platform code
  x86, intel-mid: sfi_handle_*_dev() should check for pdata error code
  x86, intel-mid: Remove deprecated X86_MDFLD and X86_WANT_INTEL_MID configs
  x86, intel-mid: Add Merrifield platform support
  x86, intel-mid: Add Clovertrail platform support
  x86, intel-mid: Move Medfield code out of intel-mid.c core file
 2014-01-20 12:06:50 -08:00
Linus Torvalds
972d5e7e5b Merge branch 'x86-efi-kexec-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 EFI changes from Ingo Molnar:
 "This consists of two main parts:

   - New static EFI runtime services virtual mapping layout which is
     groundwork for kexec support on EFI (Borislav Petkov)

   - EFI kexec support itself (Dave Young)"

* 'x86-efi-kexec-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits)
  x86/efi: parse_efi_setup() build fix
  x86: ksysfs.c build fix
  x86/efi: Delete superfluous global variables
  x86: Reserve setup_data ranges late after parsing memmap cmdline
  x86: Export x86 boot_params to sysfs
  x86: Add xloadflags bit for EFI runtime support on kexec
  x86/efi: Pass necessary EFI data for kexec via setup_data
  efi: Export EFI runtime memory mapping to sysfs
  efi: Export more EFI table variables to sysfs
  x86/efi: Cleanup efi_enter_virtual_mode() function
  x86/efi: Fix off-by-one bug in EFI Boot Services reservation
  x86/efi: Add a wrapper function efi_map_region_fixed()
  x86/efi: Remove unused variables in __map_region()
  x86/efi: Check krealloc return value
  x86/efi: Runtime services virtual mapping
  x86/mm/cpa: Map in an arbitrary pgd
  x86/mm/pageattr: Add last levels of error path
  x86/mm/pageattr: Add a PUD error unwinding path
  x86/mm/pageattr: Add a PTE pagetable populating function
  x86/mm/pageattr: Add a PMD pagetable populating function
  ...
 2014-01-20 12:05:30 -08:00
Linus Torvalds
5d4863e4cc Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 TLB detection update from Ingo Molnar:
 "A single change that extends our TLB cache size detection+reporting
  code"

* 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, cpu: Detect more TLB configuration
 2014-01-20 12:04:45 -08:00
Linus Torvalds
2a0fede97f Merge branch 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 cleanups from Ingo Molnar:
 "Misc cleanups"

* 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, cpu, amd: Fix a shadowed variable situation
  um, x86: Fix vDSO build
  x86: Delete non-required instances of include <linux/init.h>
  x86, realmode: Pointer walk cleanups, pull out invariant use of __pa()
  x86/traps: Clean up error exception handler definitions
 2014-01-20 12:03:57 -08:00
Linus Torvalds
06bc0f4a2e Merge branch 'x86-build-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86/build changes from Ingo Molnar:
 "Misc smaller improvements"

* 'x86-build-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, boot: Move intcall() to the .inittext section
  x86, boot: Use .code16 instead of .code16gcc
  x86, sparse: Do not force removal of __user when calling copy_to/from_user_nocheck()
 2014-01-20 12:03:21 -08:00
Linus Torvalds
4cd4156994 Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86/asm changes from Ingo Molnar:
 "Misc optimizations"

* 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86: Slightly tweak the access_ok() C variant for better code
  x86: Replace assembly access_ok() with a C variant
  x86-64, copy_user: Use leal to produce 32-bit results
  x86-64, copy_user: Remove zero byte check before copy user buffer.
 2014-01-20 11:51:00 -08:00
Linus Torvalds
1a7dbbcc8c Merge branch 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86/apic changes from Ingo Molnar:
 "Two main changes:

   - improve local APIC Error Status Register reporting robustness

   - add the 'disable_cpu_apicid=x' boot parameter for kexec booting"

* 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, apic: Make disabled_cpu_apicid static read_mostly, fix typos
  x86, apic, kexec: Add disable_cpu_apicid kernel parameter
  x86/apic: Read Error Status Register correctly
 2014-01-20 11:50:01 -08:00
Linus Torvalds
6c64614356 Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull timer changes from Ingo Molnar:
  - ARM clocksource/clockevent improvements and fixes
  - generic timekeeping updates: TAI fixes/improvements, cleanups
  - Posix cpu timer cleanups and improvements
  - dynticks updates: full dynticks bugfixes, optimizations and cleanups

* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (46 commits)
  clocksource: Timer-sun5i: Switch to sched_clock_register()
  timekeeping: Remove comment that's mostly out of date
  rtc-cmos: Add an alarm disable quirk
  timekeeper: fix comment typo for tk_setup_internals()
  timekeeping: Fix missing timekeeping_update in suspend path
  timekeeping: Fix CLOCK_TAI timer/nanosleep delays
  tick/timekeeping: Call update_wall_time outside the jiffies lock
  timekeeping: Avoid possible deadlock from clock_was_set_delayed
  timekeeping: Fix potential lost pv notification of time change
  timekeeping: Fix lost updates to tai adjustment
  clocksource: sh_cmt: Add clk_prepare/unprepare support
  clocksource: bcm_kona_timer: Remove unused bcm_timer_ids
  clocksource: vt8500: Remove deprecated IRQF_DISABLED
  clocksource: tegra: Remove deprecated IRQF_DISABLED
  clocksource: misc drivers: Remove deprecated IRQF_DISABLED
  clocksource: sh_mtu2: Remove unnecessary platform_set_drvdata()
  clocksource: sh_tmu: Remove unnecessary platform_set_drvdata()
  clocksource: armada-370-xp: Enable timer divider only when needed
  clocksource: clksrc-of: Warn if no clock sources are found
  clocksource: orion: Switch to sched_clock_register()
  ...
 2014-01-20 11:34:26 -08:00
Ingo Molnar
741e3902cd x86/intel/mpx: Remove unused LWP structure 
We don't support LWP yet, don't give the impression that we do:
represent the LWP state as opaque 128 bytes, the way Linux sees it
currently.

Cc: Qiaowei Ren <qiaowei.ren@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/n/tip-ecarmjtfKpanpAapfck6dj6g@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
 2014-01-20 19:57:39 +01:00
Linus Torvalds
a0fa1dd3cd Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull scheduler changes from Ingo Molnar:

 - Add the initial implementation of SCHED_DEADLINE support: a real-time
   scheduling policy where tasks that meet their deadlines and
   periodically execute their instances in less than their runtime quota
   see real-time scheduling and won't miss any of their deadlines.
   Tasks that go over their quota get delayed (Available to privileged
   users for now)

 - Clean up and fix preempt_enable_no_resched() abuse all around the
   tree

 - Do sched_clock() performance optimizations on x86 and elsewhere

 - Fix and improve auto-NUMA balancing

 - Fix and clean up the idle loop

 - Apply various cleanups and fixes

* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (60 commits)
  sched: Fix __sched_setscheduler() nice test
  sched: Move SCHED_RESET_ON_FORK into attr::sched_flags
  sched: Fix up attr::sched_priority warning
  sched: Fix up scheduler syscall LTP fails
  sched: Preserve the nice level over sched_setscheduler() and sched_setparam() calls
  sched/core: Fix htmldocs warnings
  sched/deadline: No need to check p if dl_se is valid
  sched/deadline: Remove unused variables
  sched/deadline: Fix sparse static warnings
  m68k: Fix build warning in mac_via.h
  sched, thermal: Clean up preempt_enable_no_resched() abuse
  sched, net: Fixup busy_loop_us_clock()
  sched, net: Clean up preempt_enable_no_resched() abuse
  sched/preempt: Fix up missed PREEMPT_NEED_RESCHED folding
  sched/preempt, locking: Rework local_bh_{dis,en}able()
  sched/clock, x86: Avoid a runtime condition in native_sched_clock()
  sched/clock: Fix up clear_sched_clock_stable()
  sched/clock, x86: Use a static_key for sched_clock_stable
  sched/clock: Remove local_irq_disable() from the clocks
  sched/clock, x86: Rewrite cyc2ns() to avoid the need to disable IRQs
  ...
 2014-01-20 10:42:08 -08:00
Linus Torvalds
9326657abe Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull perf updates from Ingo Molnar:
 "Kernel side changes:

   - Add Intel RAPL energy counter support (Stephane Eranian)
   - Clean up uprobes (Oleg Nesterov)
   - Optimize ring-buffer writes (Peter Zijlstra)

  Tooling side changes, user visible:

   - 'perf diff':
     - Add column colouring improvements (Ramkumar Ramachandra)

  - 'perf kvm':
     - Add guest related improvements, including allowing to specify a
       directory with guest specific /proc information (Dongsheng Yang)
     - Add shell completion support (Ramkumar Ramachandra)
     - Add '-v' option (Dongsheng Yang)
     - Support --guestmount (Dongsheng Yang)

   - 'perf probe':
     - Support showing source code, asking for variables to be collected
       at probe time and other 'perf probe' operations that use DWARF
       information.

       This supports only binaries with debugging information at this
       time, detached debuginfo (aka debuginfo packages) support should
       come in later patches (Masami Hiramatsu)

   - 'perf record':
     - Rename --no-delay option to --no-buffering, better reflecting its
       purpose and freeing up '--delay' to take the place of
       '--initial-delay', so that 'record' and 'stat' are consistent
       (Arnaldo Carvalho de Melo)
     - Default the -t/--thread option to no inheritance (Adrian Hunter)
     - Make per-cpu mmaps the default (Adrian Hunter)

   - 'perf report':
     - Improve callchain processing performance (Frederic Weisbecker)
     - Retain bfd reference to lookup source line numbers, greatly
       optimizing, among other use cases, 'perf report -s srcline'
       (Adrian Hunter)
     - Improve callchain processing performance even more (Namhyung Kim)
     - Add a perf.data file header window in the 'perf report' TUI,
       associated with the 'i' hotkey, providing a counterpart to the
       --header option in the stdio UI (Namhyung Kim)

   - 'perf script':
     - Add an option in 'perf script' to print the source line number
       (Adrian Hunter)
     - Add --header/--header-only options to 'script' and 'report', the
       default is not tho show the header info, but as this has been the
       default for some time, leave a single line explaining how to
       obtain that information (Jiri Olsa)
     - Add options to show comm, fork, exit and mmap PERF_RECORD_ events
       (Namhyung Kim)
     - Print callchains and symbols if they exist (David Ahern)

   - 'perf timechart'
     - Add backtrace support to CPU info
     - Print pid along the name
     - Add support for CPU topology
     - Add new option --highlight'ing threads, be it by name or, if a
       numeric value is provided, that run more than given duration
       (Stanislav Fomichev)

   - 'perf top':
     - Make 'perf top -g' refer to callchains, for consistency with
       other tools (David Ahern)

   - 'perf trace':
     - Handle old kernels where the "raw_syscalls" tracepoints were
       called plain "syscalls" (David Ahern)
     - Remove thread summary coloring, by Pekka Enberg.
     - Honour -m option in 'trace', the tool was offering the option to
       set the mmap size, but wasn't using it when doing the actual mmap
       on the events file descriptors (Jiri Olsa)

   - generic:
     - Backport libtraceevent plugin support (trace-cmd repository, with
       plugins for jbd2, hrtimer, kmem, kvm, mac80211, sched_switch,
       function, xen, scsi, cfg80211 (Jiri Olsa)
     - Print session information only if --stdio is given (Namhyung Kim)

  Tooling side changes, developer visible (plumbing):

   - Improve 'perf probe' exit path, release resources (Masami
     Hiramatsu)
   - Improve libtraceevent plugins exit path, allowing the registering
     of an unregister handler to be called at exit time (Namhyung Kim)
   - Add an alias to the build test makefile (make -C tools/perf
     build-test) (Namhyung Kim)
   - Get rid of die() and friends (good riddance!) in libtraceevent
     (Namhyung Kim)
   - Fix cross build problems related to pkgconfig and CROSS_COMPILE not
     being propagated to the feature tests, leading to features being
     tested in the host and then being enabled on the target (Mark
     Rutland)
   - Improve forked workload error reporting by sending the errno in the
     signal data queueing integer field, using sigqueue and by doing the
     signal setup in the evlist methods, removing open coded equivalents
     in various tools (Arnaldo Carvalho de Melo)
   - Do more auto exit cleanup chores in the 'evlist' destructor, so
     that the tools don't have to all do that sequence (Arnaldo Carvalho
     de Melo)
   - Pack 'struct perf_session_env' and 'struct trace' (Arnaldo Carvalho
     de Melo)
   - Add test for building detached source tarballs (Arnaldo Carvalho de
     Melo)
   - Move some header files (tools/perf/ to tools/include/ to make them
     available to other tools/ dwelling codebases (Namhyung Kim)
   - Move logic to warn about kptr_restrict'ed kernels to separate
     function in 'report' (Arnaldo Carvalho de Melo)
   - Move hist browser selection code to separate function (Arnaldo
     Carvalho de Melo)
   - Move histogram entries collapsing to separate function (Arnaldo
     Carvalho de Melo)
   - Introduce evlist__for_each() & friends (Arnaldo Carvalho de Melo)
   - Automate setup of FEATURE_CHECK_(C|LD)FLAGS-all variables (Jiri
     Olsa)
   - Move arch setup into seprate Makefile (Jiri Olsa)
   - Make libtraceevent install target quieter (Jiri Olsa)
   - Make tests/make output more compact (Jiri Olsa)
   - Ignore generated files in feature-checks (Chunwei Chen)
   - Introduce pevent_filter_strerror() in libtraceevent, similar in
     purpose to libc's strerror() function (Namhyung Kim)
   - Use perf_data_file methods to write output file in 'record' and
     'inject' (Jiri Olsa)
   - Use pr_*() functions where applicable in 'report' (Namhyumg Kim)
   - Add 'machine' 'addr_location' struct to have full picture (machine,
     thread, map, symbol, addr) for a (partially) resolved address,
     reducing function signatures (Arnaldo Carvalho de Melo)
   - Reduce code duplication in the histogram entry creation/insertion
     (Arnaldo Carvalho de Melo)
   - Auto allocate annotation histogram data structures (Arnaldo
     Carvalho de Melo)
   - No need to test against NULL before calling free, also set freed
     memory in struct pointers to NULL, to help fixing use after free
     bugs (Arnaldo Carvalho de Melo)
   - Rename some struct DSO binary_type related members and methods, to
     clarify its purpose and need for differentiation (symtab_type, ie
     one is about the files .text, CFI, etc, i.e.  its binary contents,
     and the other is about where the symbol table came from (Arnaldo
     Carvalho de Melo)
   - Convert to new topic libraries, starting with an API one (sysfs,
     debugfs, etc), renaming liblk in the process (Borislav Petkov)
   - Get rid of some more panic() like error handling in libtraceevent.
     (Namhyung Kim)
   - Get rid of panic() like calls in libtraceevent (Namyung Kim)
   - Start carving out symbol parsing routines (perf, just moving
     routines to topic files in tools/lib/symbol/, tools that want to
     use it need to integrate it directly, ie no
     tools/lib/symbol/Makefile is provided (Arnaldo Carvalho de Melo)
   - Assorted refactoring patches, moving code around and adding utility
     evlist methods that will be used in the IPT patchset (Adrian
     Hunter)
   - Assorted mmap_pages handling fixes (Adrian Hunter)
   - Several man pages typo fixes (Dongsheng Yang)
   - Get rid of several die() calls in libtraceevent (Namhyung Kim)
   - Use basename() in a more robust way, to avoid problems related to
     different system library implementations for that function
     (Stephane Eranian)
   - Remove open coded management of short_name_allocated member (Adrian
     Hunter)
   - Several cleanups in the "dso" methods, constifying some parameters
     and renaming some fields to clarify its purpose (Arnaldo Carvalho
     de Melo)
   - Add per-feature check flags, fixing libunwind related build
     problems on some architectures (Jean Pihet)
   - Do not disable source line lookup just because of one failure.
     (Adrian Hunter)
   - Several 'perf kvm' man page corrections (Dongsheng Yang)
   - Correct the message in feature-libnuma checking, swowing the right
     devel package names for various distros (Dongsheng Yang)
   - Polish 'readn()' function and introduce its counterpart,
     'writen()' (Jiri Olsa)
   - Start moving timechart state from global variables to a 'perf_tool'
     derived 'timechart' struct (Arnaldo Carvalho de Melo)

  ... and lots of fixes and improvements I forgot to list"

* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (282 commits)
  perf tools: Remove unnecessary callchain cursor state restore on unmatch
  perf callchain: Spare double comparison of callchain first entry
  perf tools: Do proper comm override error handling
  perf symbols: Export elf_section_by_name and reuse
  perf probe: Release all dynamically allocated parameters
  perf probe: Release allocated probe_trace_event if failed
  perf tools: Add 'build-test' make target
  tools lib traceevent: Unregister handler when xen plugin is unloaded
  tools lib traceevent: Unregister handler when scsi plugin is unloaded
  tools lib traceevent: Unregister handler when jbd2 plugin is is unloaded
  tools lib traceevent: Unregister handler when cfg80211 plugin is unloaded
  tools lib traceevent: Unregister handler when mac80211 plugin is unloaded
  tools lib traceevent: Unregister handler when sched_switch plugin is unloaded
  tools lib traceevent: Unregister handler when kvm plugin is unloaded
  tools lib traceevent: Unregister handler when kmem plugin is unloaded
  tools lib traceevent: Unregister handler when hrtimer plugin is unloaded
  tools lib traceevent: Unregister handler when function plugin is unloaded
  tools lib traceevent: Add pevent_unregister_print_function()
  tools lib traceevent: Add pevent_unregister_event_handler()
  tools lib traceevent: fix pointer-integer size mismatch
  ...
 2014-01-20 10:28:30 -08:00
Linus Torvalds
2cc3f16cad Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull IRQ changes from Ingo Molnar:
 "The only change in this cycle is a CPU hotplug related spurious
  warning fix"

* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/irq: Fix kbuild warning in smp_irq_move_cleanup_interrupt()
  x86/irq: Fix do_IRQ() interrupt warning for cpu hotplug retriggered irqs
 2014-01-20 10:27:52 -08:00
Linus Torvalds
ad3ab302fd Merge branch 'core-stackprotector-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull strong stackprotector support from Ingo Molnar:
 "This tree adds a CONFIG_CC_STACKPROTECTOR_STRONG=y, a new, stronger
  stack canary checking method supported by the newest GCC versions (4.9
  and later).

  Here's the 'intensity comparison' between the various protection
  modes:

      - defconfig
        11430641 kernel text size
        36110 function bodies

      - defconfig + CONFIG_CC_STACKPROTECTOR_REGULAR
        11468490 kernel text size (+0.33%)
        1015 of 36110 functions are stack-protected (2.81%)

      - defconfig + CONFIG_CC_STACKPROTECTOR_STRONG via this patch
        11692790 kernel text size (+2.24%)
        7401 of 36110 functions are stack-protected (20.5%)

  the strong model comes with non-trivial costs, which is why we
  preserved the 'regular' and 'none' models as well"

* 'core-stackprotector-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  stackprotector: Introduce CONFIG_CC_STACKPROTECTOR_STRONG
  stackprotector: Unify the HAVE_CC_STACKPROTECTOR logic between architectures
 2014-01-20 10:26:31 -08:00
Linus Torvalds
6ffbe7d1fa Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull core locking changes from Ingo Molnar:
 - futex performance increases: larger hashes, smarter wakeups
 - mutex debugging improvements
 - lots of SMP ordering documentation updates
 - introduce the smp_load_acquire(), smp_store_release() primitives.
   (There are WIP patches that make use of them - not yet merged)
 - lockdep micro-optimizations
 - lockdep improvement: better cover IRQ contexts
 - liblockdep at last. We'll continue to monitor how useful this is

* 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (34 commits)
  futexes: Fix futex_hashsize initialization
  arch: Re-sort some Kbuild files to hopefully help avoid some conflicts
  futexes: Avoid taking the hb->lock if there's nothing to wake up
  futexes: Document multiprocessor ordering guarantees
  futexes: Increase hash table size for better performance
  futexes: Clean up various details
  arch: Introduce smp_load_acquire(), smp_store_release()
  arch: Clean up asm/barrier.h implementations using asm-generic/barrier.h
  arch: Move smp_mb__{before,after}_atomic_{inc,dec}.h into asm/atomic.h
  locking/doc: Rename LOCK/UNLOCK to ACQUIRE/RELEASE
  mutexes: Give more informative mutex warning in the !lock->owner case
  powerpc: Full barrier for smp_mb__after_unlock_lock()
  rcu: Apply smp_mb__after_unlock_lock() to preserve grace periods
  Documentation/memory-barriers.txt: Downgrade UNLOCK+BLOCK
  locking: Add an smp_mb__after_unlock_lock() for UNLOCK+BLOCK barrier
  Documentation/memory-barriers.txt: Document ACCESS_ONCE()
  Documentation/memory-barriers.txt: Prohibit speculative writes
  Documentation/memory-barriers.txt: Add long atomic examples to memory-barriers.txt
  Documentation/memory-barriers.txt: Add needed ACCESS_ONCE() calls to memory-barriers.txt
  Revert "smp/cpumask: Make CONFIG_CPUMASK_OFFSTACK=y usable without debug dependency"
  ...
 2014-01-20 10:23:08 -08:00
Linus Torvalds
897aea303f Merge branch 'core-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull core debug changes from Ingo Molnar:
 "Currently there are two methods to set the panic_timeout: via
  'panic=X' boot commandline option, or via /proc/sys/kernel/panic.

  This tree adds a third panic_timeout configuration method:
  configuration via Kconfig, via CONFIG_PANIC_TIMEOUT=X - useful to
  distros that generally want their kernel defaults to come with the
  .config.

  CONFIG_PANIC_TIMEOUT defaults to 0, which was the previous default
  value of panic_timeout.

  Doing that unearthed a few arch trickeries regarding arch-special
  panic_timeout values and related complications - hopefully all
  resolved to the satisfaction of everyone"

* 'core-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  powerpc: Clean up panic_timeout usage
  MIPS: Remove panic_timeout settings
  panic: Make panic_timeout configurable
 2014-01-20 10:22:12 -08:00
Linus Torvalds
db4fcb45a4 Nobody has been maintaining xen in ia64 for a long time. 
Rip it all out so people do not waste time making updates
 to broken/dead code.
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Merge tag 'please-pull-rm_xen' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux

Pull ia64 Xen removal from Tony Luck:
 "Nobody has been maintaining xen in ia64 for a long time.  Rip it all
  out so people do not waste time making updates to broken/dead code"

* tag 'please-pull-rm_xen' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
  ia64/xen: Remove Xen support for ia64
 2014-01-20 09:33:40 -08:00
Linus Torvalds
a1a3b3efc4 Metag architecture changes for v3.14 
- A few cleanups and minor bug fixes.
 - Kill SMP single function call IPI.
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Merge tag 'metag-for-v3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag

Pull Metag architecture changes from James Hogan:
 - A few cleanups and minor bug fixes.
 - Kill SMP single function call IPI.

* tag 'metag-for-v3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag:
  metag/smp: Make boot_secondary() static
  metag: topology: export 'cpu_core_map'
  smp, metag: kill SMP single function call interrupt
  metag: smp: don't set irq regs in do_IPI()
  metag: dma: remove dead code in dma_alloc_init()
 2014-01-20 09:25:32 -08:00
Linus Torvalds
8cf7a16ee9 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k 
Pull m68k updates from Geert Uytterhoeven:
 - Zorro bus cleanups and UAPI revival
 - Bootinfo cleanups and UAPI revival
 - Kexec support
 - Memory size reductions and bug fixes for multi-platform kernels
 - Polled interrupt support for Atari EtherNAT, EtherNEC and NetUSBee
 - Machine-specific random_get_entropy()
 - Defconfig updates and cleanups

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: (46 commits)
  m68k/mac: Make SCC reset work more reliably
  m68k/irq - Use polled IRQ flag for MFP timer cascaded interrupts
  m68k: Update defconfigs for v3.13-rc1
  m68k/defconfig: Enable EARLY_PRINTK
  m68k/mm: kmap spelling/grammar fixes
  m68k: Convert arch/m68k/kernel/traps.c to pr_*()
  m68k: Convert arch/m68k/mm/fault.c to pr_*()
  m68k/mm: Check for mm != NULL in do_page_fault() debug code
  m68k/defconfig: Disable /sbin/hotplug fork-bomb by default
  m68k/atari: Hide RTC_PORT() macro from rtc-cmos
  m68k/amiga,atari: Fix specifying multiple debug= parameters
  m68k/defconfig: Use ext4 for ext2/ext3 file systems
  m68k: Add support to export bootinfo in procfs
  m68k: Add kexec support
  m68k/mac: Mark Mac IIsi ADB driver BROKEN
  m68k/amiga: Provide mach_random_get_entropy()
  m68k: Add infrastructure for machine-specific random_get_entropy()
  m68k/atari: Call paging_init() before nf_init()
  m68k: Remove superfluous inclusions of <asm/bootinfo.h>
  m68k/UAPI: Use proper types (endianness/size) in <asm/bootinfo*.h>
  ...
 2014-01-20 09:24:31 -08:00
Linus Torvalds
f479c01c8e Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 
Pull s390 updates from Martin Schwidefsky:
 "The bulk of the s390 updates for v3.14.

  New features are the perf support for the CPU-Measurement Sample
  Facility and the EP11 support for the crypto cards.  And the normal
  cleanups and bug-fixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (44 commits)
  s390/cpum_sf: fix printk format warnings
  s390: Fix misspellings using 'codespell' tool
  s390/qdio: bridgeport support - CHSC part
  s390: delete new instances of __cpuinit usage
  s390/compat: fix PSW32_USER_BITS definition
  s390/zcrypt: add support for EP11 coprocessor cards
  s390/mm: optimize randomize_et_dyn for !PF_RANDOMIZE
  s390: use IS_ENABLED to check if a CONFIG is set to y or m
  s390/cio: use device_lock to synchronize calls to the ccwgroup driver
  s390/cio: use device_lock to synchronize calls to the ccw driver
  s390/cio: fix unlocked access of online member
  s390/cpum_sf: Add flag to process full SDBs only
  s390/cpum_sf: Add raw data sampling to support the diagnostic-sampling function
  s390/cpum_sf: Filter perf events based event->attr.exclude_* settings
  s390/cpum_sf: Detect KVM guest samples
  s390/cpum_sf: Add helper to read TOD from trailer entries
  s390/cpum_sf: Atomically reset trailer entry fields of sample-data-blocks
  s390/cpum_sf: Dynamically extend the sampling buffer if overflows occur
  s390/pci: reenable per default
  s390/pci/dma: fix accounting of allocated_pages
  ...
 2014-01-20 09:23:31 -08:00
Takashi Iwai
2587533615 Merge branch 'for-next' into for-linus 2014-01-20 10:20:14 +01:00
Linus Torvalds
16ec54ad15 Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull perf fixes from Ingo Molnar:

 - an s2ram related fix on AMD systems

 - a perf fault handling bug that is relatively old but which has become
   much easier to trigger in v3.13 after commit e00b12e64b ("perf/x86:
   Further optimize copy_from_user_nmi()")

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86/amd/ibs: Fix waking up from S3 for AMD family 10h
  x86, mm, perf: Allow recursive faults from interrupts
 2014-01-19 13:06:51 -08:00
Finn Thain
56931d7369 m68k/mac: Make SCC reset work more reliably 
For SCC initialization we cannot assume that the control register is in
the correct state to accept a register pointer. So first read from the
control register in order to "sync" up.

Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
 2014-01-19 11:53:22 +01:00
Linus Torvalds
7d0d46da75 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 
Pull networking fixes from David Miller:

 1) The value choosen for the new SO_MAX_PACING_RATE socket option on
    parisc was very poorly choosen, let's fix it while we still can.
    From Eric Dumazet.

 2) Our generic reciprocal divide was found to handle some edge cases
    incorrectly, part of this is encoded into the BPF as deep as the JIT
    engines themselves.  Just use a real divide throughout for now.
    From Eric Dumazet.

 3) Because the initial lookup is lockless, the TCP metrics engine can
    end up creating two entries for the same lookup key.  Fix this by
    doing a second lookup under the lock before we actually create the
    new entry.  From Christoph Paasch.

 4) Fix scatter-gather list init in usbnet driver, from Bjørn Mork.

 5) Fix unintended 32-bit truncation in cxgb4 driver's bit shifting.
    From Dan Carpenter.

 6) Netlink socket dumping uses the wrong socket state for timewait
    sockets.  Fix from Neal Cardwell.

 7) Fix netlink memory leak in ieee802154_add_iface(), from Christian
    Engelmayer.

 8) Multicast forwarding in ipv4 can overflow the per-rule reference
    counts, causing all multicast traffic to cease.  Fix from Hannes
    Frederic Sowa.

 9) via-rhine needs to stop all TX queues when it resets the device,
    from Richard Weinberger.

10) Fix RDS per-cpu accesses broken by the this_cpu_* conversions.  From
    Gerald Schaefer.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
  s390/bpf,jit: fix 32 bit divisions, use unsigned divide instructions
  parisc: fix SO_MAX_PACING_RATE typo
  ipv6: simplify detection of first operational link-local address on interface
  tcp: metrics: Avoid duplicate entries with the same destination-IP
  net: rds: fix per-cpu helper usage
  e1000e: Fix compilation warning when !CONFIG_PM_SLEEP
  bpf: do not use reciprocal divide
  be2net: add dma_mapping_error() check for dma_map_page()
  bnx2x: Don't release PCI bars on shutdown
  net,via-rhine: Fix tx_timeout handling
  batman-adv: fix batman-adv header overhead calculation
  qlge: Fix vlan netdev features.
  net: avoid reference counter overflows on fib_rules in multicast forwarding
  dm9601: add USB IDs for new dm96xx variants
  MAINTAINERS: add virtio-dev ML for virtio
  ieee802154: Fix memory leak in ieee802154_add_iface()
  net: usbnet: fix SG initialisation
  inet_diag: fix inet_diag_dump_icsk() to use correct state for timewait sockets
  cxgb4: silence shift wrapping static checker warning
 2014-01-17 22:19:28 -08:00
Heiko Carstens
3af57f78c3 s390/bpf,jit: fix 32 bit divisions, use unsigned divide instructions 
The s390 bpf jit compiler emits the signed divide instructions "dr" and "d"
for unsigned divisions.
This can cause problems: the dividend will be zero extended to a 64 bit value
and the divisor is the 32 bit signed value as specified A or X accumulator,
even though A and X are supposed to be treated as unsigned values.

The divide instrunctions will generate an exception if the result cannot be
expressed with a 32 bit signed value.
This is the case if e.g. the dividend is 0xffffffff and the divisor either 1
or also 0xffffffff (signed: -1).

To avoid all these issues simply use unsigned divide instructions.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2014-01-17 18:54:49 -08:00
Eric Dumazet
75b99dbd63 parisc: fix SO_MAX_PACING_RATE typo 
SO_MAX_PACING_RATE definition on parisc got a typo.
Its not too late to fix it, before 3.13 is official.

Fixes: 62748f32d5 ("net: introduce SO_MAX_PACING_RATE")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2014-01-17 18:11:08 -08:00
Linus Torvalds
8f211b6ccc Fix for a brown paper bag bug. Thanks to Drew Jones for noticing. 
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM fix from Paolo Bonzini:
 "Fix for a brown paper bag bug.  Thanks to Drew Jones for noticing"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  kvm: x86: fix apic_base enable check
 2014-01-17 16:40:27 -08:00
Qiaowei Ren
fb09b78151 x86, mpx: Add MPX related opcodes to the x86 opcode map 
This patch adds all the MPX instructions to x86 opcode map, so the x86
instruction decoder can decode MPX instructions.

Signed-off-by: Qiaowei Ren <qiaowei.ren@intel.com>
Link: http://lkml.kernel.org/r/1389518403-7715-4-git-send-email-qiaowei.ren@intel.com
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
 2014-01-17 11:04:09 -08:00