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322252 commits

Author SHA1 Message Date
Linus Torvalds 8f6c1ca9be Pin control fixes for v3.6:
- Fixed Nomadik errorpath
 - Fixed documentation spelling errors
 - Forward-declare struct device in a header file
 - Remove some extraneous code lines when getting pinctrl states
 - Correct the i.MX51 configure register number
 - Fix the Nomadik keypad function group list
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Merge tag 'pinctrl-fixes-v3.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control fixes from Linus Walleij:
 - Fixed Nomadik errorpath
 - Fixed documentation spelling errors
 - Forward-declare struct device in a header file
 - Remove some extraneous code lines when getting pinctrl states
 - Correct the i.MX51 configure register number
 - Fix the Nomadik keypad function group list

* tag 'pinctrl-fixes-v3.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinctrl/nomadik: add kp_b_2 keyboard function group list
  pinctrl: imx51: fix .conf_reg of MX51_PAD_SD2_CMD__CSPI_MOSI
  trivial: pinctrl core: remove extraneous code lines
  pinctrl: header: trivial: declare struct device
  Documentation/pinctrl.txt: Fix some misspelled macros
  pinctrl/nomadik: fix null in irqdomain errorpath
2012-08-21 10:07:41 -07:00
Linus Torvalds 4459f3974a Sound fixes for 3.6-rc3
This update became slightly bigger than usual for rc3, but most of the
 commits are small and trivial.  A large chunk is found for HD-audio
 ca0132 codec, which is mostly a clean up of the specific code, to make
 SPDIF working properly, and also in the new ASoC Arizona driver.
 
 One important fix is for usb-audio Oops fix since 3.5.  We still see
 some EHCI related bandwidth problem, but usb-audio should be more
 stabilized now.
 
 Other than that, a Kconfig fix is spread over files, and various
 HD-audio and ASoC fixes as usual, in addition to Julia's error path
 fixes.
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Merge tag 'sound-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "This update became slightly bigger than usual for rc3, but most of the
  commits are small and trivial.  A large chunk is found for HD-audio
  ca0132 codec, which is mostly a clean up of the specific code, to make
  SPDIF working properly, and also in the new ASoC Arizona driver.

  One important fix is for usb-audio Oops fix since 3.5.  We still see
  some EHCI related bandwidth problem, but usb-audio should be more
  stabilized now.

  Other than that, a Kconfig fix is spread over files, and various
  HD-audio and ASoC fixes as usual, in addition to Julia's error path
  fixes."

* tag 'sound-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (42 commits)
  ALSA: snd-als100: fix suspend/resume
  ALSA: hda - Fix leftover codec->power_transition
  ALSA: hda - don't create dysfunctional mixer controls for ca0132
  ALSA: sound/ppc/snd_ps3.c: fix error return code
  ALSA: sound/pci/rme9652/hdspm.c: fix error return code
  ALSA: sound/pci/sis7019.c: fix error return code
  ALSA: sound/pci/ctxfi/ctatc.c: fix error return code
  ALSA: sound/atmel/ac97c.c: fix error return code
  ALSA: sound/atmel/abdac.c: fix error return code
  ALSA: fix pcm.h kernel-doc warning and notation
  sound: oss/sb_audio: prevent divide by zero bug
  ASoC: wm9712: Fix inverted capture volume
  ASoC: wm9712: Fix microphone source selection
  ASoC: wm5102: Remove DRC2
  ALSA: hda - Don't send invalid volume knob command on IDT 92hd75bxx
  ALSA: usb-audio: Fix scheduling-while-atomic bug in PCM capture stream
  ALSA: lx6464es: Add a missing error check
  ALSA: hda - Fix 'Beep Playback Switch' with no underlying mute switch
  ASoC: jack: Always notify full jack status
  ASoC: wm5110: Add missing input PGA routes
  ...
2012-08-21 09:17:05 -07:00
Eric Dumazet f341861fb0 task_work: add a scheduling point in task_work_run()
It seems commit 4a9d4b024a ("switch fput to task_work_add") re-
introduced the problem addressed in 944be0b224 ("close_files(): add
scheduling point")

If a server process with a lot of files (say 2 million tcp sockets) is
killed, we can spend a lot of time in task_work_run() and trigger a soft
lockup.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-08-21 09:11:44 -07:00
Dave Airlie ec5da7f8dc fbcon: fix race condition between console lock and cursor timer
So we've had a fair few reports of fbcon handover breakage between
efi/vesafb and i915 surface recently, so I dedicated a couple of
days to finding the problem.

Essentially the last thing we saw was the conflicting framebuffer
message and that was all.

So after much tracing with direct netconsole writes (printks
under console_lock not so useful), I think I found the race.

  Thread A (driver load)    Thread B (timer thread)
    unbind_con_driver ->              |
    bind_con_driver ->                |
    vc->vc_sw->con_deinit ->          |
    fbcon_deinit ->                   |
    console_lock()                    |
        |                             |
        |                       fbcon_flashcursor timer fires
        |                       console_lock() <- blocked for A
        |
        |
  fbcon_del_cursor_timer ->
    del_timer_sync
    (BOOM)

Of course because all of this is under the console lock,
we never see anything, also since we also just unbound the active
console guess what we never see anything.

Hopefully this fixes the problem for anyone seeing vesafb->kms
driver handoff.

Signed-off-by: David Airlie <airlied@redhat.com>
Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: stable@vger.kernel.org
Tested-by: Josh Boyer <jwboyer@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-08-21 09:08:50 -07:00
Alex Deucher 676bc2e1e4 Revert "drm/radeon: fix bo creation retry path"
This reverts commit d1c7871ddb.

ttm_bo_init() destroys the BO on failure. So this patch makes
the retry path work with freed memory.  This ends up causing
kernel panics when this path is hit.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2012-08-21 09:55:01 -04:00
Ondrej Zary 53e1719f3d ALSA: snd-als100: fix suspend/resume
snd_card_als100_probe() does not set pcm field in struct snd_sb.
As a result, PCM is not suspended and applications don't know that they need
to resume the playback.

Tested with Labway A381-F20 card (ALS120).

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-08-21 07:29:40 +02:00
Linus Torvalds 9160338de9 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
 "Here are two patches from Rafael Wysocki.

  One fixes an EHCI-related hibernation crash on ASUS boxes.  We fixed a
  similar suspend issue in v3.6-rc1, and this applies the same fix to
  the hibernate path.

  The other fixes D3/D3cold/D4 messages related to the D3cold support we
  merged in v3.6-rc1."

(Removed redundant top non-fast-forward merge commit from pulled branch)

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  PCI: EHCI: Fix crash during hibernation on ASUS computers
  PCI / PM: Fix D3/D3cold/D4 messages printed by acpi_pci_set_power_state()
2012-08-20 16:42:41 -07:00
Linus Torvalds 3b31fe9294 Clean out references to dead CONFIG_MISC_DEVICES option
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Merge tag 'please-pull-ia64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux

Pull config cleanup for ia64 from Tony Luck:
 "Clean out references to dead CONFIG_MISC_DEVICES option"

* tag 'please-pull-ia64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
  [IA64] defconfig: Remove CONFIG_MISC_DEVICES
2012-08-20 15:26:28 -07:00
Denis Efremov 08a16208c8 tcm_fc: rcu_deref outside rcu lock/unlock section
Use rcu_dereference_protected in order to prevent lockdep
complaint. Sequel of the patch 863555be

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Denis Efremov <yefremov.denis@gmail.com>
Acked-by: Mark D. Rustad <mark.d.rustad@intel.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2012-08-20 14:52:15 -07:00
Michael S. Tsirkin 6de7145ca3 tcm_vhost: Fix vhost_scsi_target structure alignment
Here TRANSPORT_IQN_LEN is 224, which is a multiple of 4.
Since vhost_tpgt is 2 bytes and abi_version is 4, the total size would
be 230.  But gcc needs struct size be aligned to first field size, which
is 4 bytes, so it pads the structure by extra 2 bytes to the total of
232.

This padding is very undesirable in an ABI:
- it can not be initialized easily
- it can not be checked easily
- it can leak information between kernel and userspace

Simplest solution is probably just to make the padding
explicit.

(v2: Add check for zero'ed backend->reserved field for VHOST_SCSI_SET_ENDPOINT
     and VHOST_SCSI_CLEAR_ENDPOINT ops as requested by MST)

Reported-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2012-08-20 14:52:11 -07:00
Linus Torvalds 10c63c9aec More USB patches for 3.6-rc3
Here are 10 more USB patches for 3.6-rc3.  They all fix reported
 problems (build problems for one of them, and easily repeatable oopses
 for the others.)
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull more USB patches from Greg Kroah-Hartman:
 "Here are 10 more USB patches for 3.6-rc3.  They all fix reported
  problems (build problems for one of them, and easily repeatable oopses
  for the others.)

  Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"

* tag 'usb-3.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  gpu/mfd/usb: Fix USB randconfig problems
  USB: CDC ACM: Fix NULL pointer dereference
  USB: emi62: remove __devinit* from the struct usb_device_id table
  USB: winbond: remove __devinit* from the struct usb_device_id table
  USB: vt6656: remove __devinit* from the struct usb_device_id table
  USB: rtl8187: remove __devinit* from the struct usb_device_id table
  USB: p54usb: remove __devinit* from the struct usb_device_id table
  USB: spca506: remove __devinit* from the struct usb_device_id table
  USB: jl2005bcd: remove __devinit* from the struct usb_device_id table
  USB: smsusb: remove __devinit* from the struct usb_device_id table
2012-08-20 13:14:22 -07:00
Linus Torvalds c3e2f79d2d dmesg fix for 3.6-rc3
Here is one fix for the dmesg line corruption problem that the previous
 set of patches caused.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull one more driver core fix from Greg Kroah-Hartman:
 "Here is one fix for the dmesg line corruption problem that the
  previous set of patches caused.

  Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"

* tag 'driver-core-3.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  dyndbg: fix for SOH in logging messages
2012-08-20 13:13:47 -07:00
Linus Torvalds b0fbfb0cec Merge branch 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86
Pull x86 platform driver update from Matthew Garrett:
 "Some small updates for a few drivers, and some hardware enablement for
  new Ideapads and the gmux hardware in the latest Macs.

  This code won't run on older devices and has been well tested on new
  ones, so low risk of regressions."

* 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86:
  ideapad: add Lenovo IdeaPad Z570 support (part 3)
  ideapad: add Lenovo IdeaPad Z570 support (part 2)
  ideapad: add Lenovo IdeaPad Z570 support (part 1)
  classmate-laptop: always call input_sync() after input_report_switch()
  thinkpad-acpi: recognize latest V-Series using DMI_BIOS_VENDOR
  dell-laptop: Fixed typo in touchpad LED quirk
  vga_switcheroo: Don't require handler init callback
  vga_switcheroo: Remove assumptions about registration/unregistration ordering
  apple-gmux: Add display mux support
  apple-gmux: Fix kconfig dependencies
  asus-wmi: record wlan status while controlled by userapp
  apple_gmux: Fix ACPI video unregister
  apple_gmux: Add support for newer hardware
  gmux: Add generic write32 function
2012-08-20 13:12:41 -07:00
Linus Torvalds 807b5169e2 One patch with section conflict fixes.
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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull a hwmon fix from Guenter Roeck:
 "One patch with section conflict fixes."

* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  sections: Fix section conflicts in drivers/hwmon
2012-08-20 13:11:00 -07:00
Linus Torvalds 8a6b52140f spi: Updates for 3.6
Grant is still away so another pull request with some fairly minor
 fixes, the most notable of which are several fixes for some common error
 patterns with the reference counting spi_master_get/put do.
 -
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Merge tag 'spi-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc

Pull spi fixes from Mark Brown:
 "Grant is still away so another pull request with some fairly minor
  fixes, the most notable of which are several fixes for some common
  error patterns with the reference counting spi_master_get/put do."

* tag 'spi-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc:
  spi/coldfire-qspi: Drop extra calls to spi_master_get in suspend/resume functions
  spi: spi-coldfire-qspi: Drop extra spi_master_put in device remove function
  spi/pl022: fix spi-pl022 pm enable at probe
  spi/bcm63xx: Ensure that memory is freed only after it is no longer used
  spi: omap2-mcspi: Fix the error handling in probe
  spi/s3c64xx: Add missing static storage class specifiers
2012-08-20 13:05:27 -07:00
Fabio Estevam 7c3ea4859a [IA64] defconfig: Remove CONFIG_MISC_DEVICES
commit 7c5763b845 (drivers:misc: Remove MISC_DEVICES config option) removed
CONFIG_MISC_DEVICES option, so remove the occurrences from the config files
as well.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
2012-08-20 13:04:29 -07:00
Linus Torvalds fd4d3328b2 regulator: Updates for 3.6
A bunch of fixes which are a combination of minor fixes that have been
 shaken down due to greater testing exposure, the biggest block of which
 are for the Palmas driver which hadn't had all the changes required for
 mainline properly tested when it was merged.
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Merge tag 'regulator-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fixes from Mark Brown:
 "A bunch of fixes which are a combination of minor fixes that have been
  shaken down due to greater testing exposure, the biggest block of
  which are for the Palmas driver which hadn't had all the changes
  required for mainline properly tested when it was merged."

* tag 'regulator-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: twl-regulator: fix up VINTANA1/VINTANA2
  regulator: core: request only valid gpio pins for regulator enable
  regulator: twl: Remove references to the twl4030 regulator
  regulator: gpio-regulator: Split setting of voltages and currents
  regulator: ab3100: add missing voltage table
  regulator: anatop: Fix wrong mask used in anatop_get_voltage_sel
  regulator: tps6586x: correct vin pin for sm0/sm1/sm2
  regulator: palmas: Fix palmas_probe error handling
  regulator: palmas: Call palmas_ldo_[read|write] in palmas_ldo_init
  regulator: palmas: Fix regmap offsets for PALMAS_REG_SMPS10 vsel_reg
  regulator: palmas: Fix calculating selector in palmas_map_voltage_ldo
2012-08-20 12:59:51 -07:00
Linus Torvalds d408ea2a0d IOMMU Fixes for Linux v3.6-rc2
Two fixes are necessary. One patch fixes a boot crash on MacBook Air
 with interrupt remapping enabled and the other patch fixes a regression
 (which causes a boot crash on AMD IOMMUv2 systems too) in the init code
 of the AMD IOMMU driver.
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Merge tag 'iommu-fixes-v3.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull IOMMU fixes from Joerg Roedel:
 "Two fixes are necessary.  One patch fixes a boot crash on MacBook Air
  with interrupt remapping enabled and the other patch fixes a
  regression (which causes a boot crash on AMD IOMMUv2 systems too) in
  the init code of the AMD IOMMU driver."

* tag 'iommu-fixes-v3.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  iommu/amd: Fix wrong check for ARRAY_SIZE()
  irq_remap: disable IRQ remapping if any IOAPIC lacks an IOMMU
2012-08-20 12:59:08 -07:00
Takashi Iwai 535b6c51fe ALSA: hda - Fix leftover codec->power_transition
When the codec turn-on operation is canceled by the immediate
power-on, the driver left the power_transition flag as is.
This caused the persistent avoidance of power-save behavior.

Cc: <stable@vger.kernel.org> [v3.5+]
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-08-20 21:25:22 +02:00
Takashi Iwai f0b433e9f3 ASoC: Additional updates for 3.6
A batch more bugfixes, all driver-specific and fairly small and
 unremarkable in a global context.  The biggest batch are for the newly
 added Arizona drivers.
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Merge tag 'asoc-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Additional updates for 3.6

A batch more bugfixes, all driver-specific and fairly small and
unremarkable in a global context.  The biggest batch are for the newly
added Arizona drivers.
2012-08-20 21:26:04 +02:00
Guenter Roeck 8f057d7bca gpu/mfd/usb: Fix USB randconfig problems
Fix config warning:

warning: ( ... && DRM_USB) selects USB which has unmet direct dependencies
(USB_SUPPORT && USB_ARCH_HAS_HCD)

and build error:
ERROR: "usb_speed_string" [drivers/usb/core/usbcore.ko] undefined!

by adding the missing dependency on USB_ARCH_HAS_HCD to DRM_UDL and DRM_USB.

This exposes:
drivers/video/Kconfig:36:error: recursive dependency detected!
drivers/video/Kconfig:36:       symbol FB is selected by DRM_KMS_HELPER
drivers/gpu/drm/Kconfig:28:     symbol DRM_KMS_HELPER is selected by DRM_UDL
drivers/gpu/drm/udl/Kconfig:1:  symbol DRM_UDL depends on USB_ARCH_HAS_HCD
drivers/usb/Kconfig:78: symbol USB_ARCH_HAS_HCD depends on USB_ARCH_HAS_OHCI
drivers/usb/Kconfig:16: symbol USB_ARCH_HAS_OHCI depends on I2C
drivers/i2c/Kconfig:5:  symbol I2C is selected by FB_DDC
drivers/video/Kconfig:86:       symbol FB_DDC is selected by FB_CYBER2000_DDC
drivers/video/Kconfig:385:      symbol FB_CYBER2000_DDC depends on FB_CYBER2000
drivers/video/Kconfig:373:      symbol FB_CYBER2000 depends on FB

which is due to drivers/usb/Kconfig:
config USB_ARCH_HAS_OHCI
	...
	default y if ARCH_PNX4008 && I2C

Fix by dropping I2C from the above dependency; logic is that this is not a
platform dependency but a configuration dependency: the _architecture_ still
supports USB even is I2C is not selected.

This exposes:
drivers/video/Kconfig:36:error: recursive dependency detected!
drivers/video/Kconfig:36:       symbol FB is selected by DRM_KMS_HELPER
drivers/gpu/drm/Kconfig:28:     symbol DRM_KMS_HELPER is selected by DRM_UDL
drivers/gpu/drm/udl/Kconfig:1:  symbol DRM_UDL depends on USB_ARCH_HAS_HCD
drivers/usb/Kconfig:78: symbol USB_ARCH_HAS_HCD depends on USB_ARCH_HAS_OHCI
drivers/usb/Kconfig:17: symbol USB_ARCH_HAS_OHCI depends on MFD_TC6393XB
drivers/mfd/Kconfig:396:        symbol MFD_TC6393XB depends on GPIOLIB
drivers/gpio/Kconfig:35:        symbol GPIOLIB is selected by FB_VIA
drivers/video/Kconfig:1560:     symbol FB_VIA depends on FB

which can be fixed by having MFD_TC6393XB select GPIOLIB instead of depending on
it.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-08-20 11:52:41 -07:00
Daniel Vetter 1ee9ae3244 drm/i915: use hsw rps tuning values everywhere on gen6+
James Bottomley reported [1] a massive power regression, due to the
enabling of semaphores by default in 3.5. A workaround for him is to
again disable semaphores. And indeed, his system has a very hard time
to enter rc6 with semaphores enabled.

Ben Widawsky run around with a kill-a-watt a lot and noticed:
- There are indeed a few rare systems that seem to have a hard time
  entering rc6 when desktop-idle.
- One machine, The Indestructible Toshiba regressed in this behaviour
  between 3.5 and 3.6 in a merge commit! So rc6 behaviour with the
  current setting seems to be highly timing dependent and not robust
  at all.
- The behaviour James reported wrt semaphores seems to be a freak
  timing thing that only happens on his specific machine, confirming
  that enabling semaphores shouldn't reduce rc6 residency.

Now furthermore the Google ChromeOS guys reported [2] a while ago that
at least on some machines a simply a blinking cursor can keep the gpu
turbo at the highest frequency. This is because the current rps limits
used on snb/ivb are highly asymmetric.

On the theory that gpu turbo and rc6 tuning values are related, we've
tried whether the much saner looking (since much less asymmetric) rps
tuning values used for hsw would also help entering rc6 more robustly.

And it seems to mostly work, and we don't really have the resources to
through-roughly tune things in any better way: The values from the
ChromeOS ppl seem to fare a bit worse for James' machine, so I guess
we better stick with something vpg (the gpu hw/windows group)
provided, hoping that they've done their jobs.

Reference[1]: http://lists.freedesktop.org/archives/dri-devel/2012-July/025675.html
Reference[2]: http://lists.freedesktop.org/archives/intel-gfx/2012-July/018692.html
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=53393
Tested-by: Ben Widawsky <ben@bwidawsk.net>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-08-20 20:49:19 +02:00
Linus Torvalds c71a35520f Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar.

A x32 socket ABI fix with a -stable backport tag among other fixes.

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x32: Use compat shims for {g,s}etsockopt
  Revert "x86-64/efi: Use EFI to deal with platform wall clock"
  x86, apic: fix broken legacy interrupts in the logical apic mode
  x86, build: Globally set -fno-pic
  x86, avx: don't use avx instructions with "noxsave" boot param
2012-08-20 10:36:18 -07:00
Linus Torvalds 53795ced6e Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar.

* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched: Fix migration thread runtime bogosity
  sched,rt: fix isolated CPUs leaving root_task_group indefinitely throttled
  sched,cgroup: Fix up task_groups list
  sched: fix divide by zero at {thread_group,task}_times
  sched, cgroup: Reduce rq->lock hold times for large cgroup hierarchies
2012-08-20 10:35:05 -07:00
Linus Torvalds f78602ab7c Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 perf fixes from Ingo Molnar.

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86: disable PEBS on a guest entry.
  perf/x86: Add Intel Westmere-EX uncore support
  perf/x86: Fixes for Nehalem-EX uncore driver
  perf, x86: Fix uncore_types_exit section mismatch
2012-08-20 10:34:21 -07:00
Linus Torvalds fb34438914 Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull a mutex fix from Ingo Molnar.

Fix the fastpath_lock failure contention flag for xchg-based mutexes.

* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  mutex: Place lock in contended state after fastpath_lock failure
2012-08-20 10:30:57 -07:00
Al Viro 0e665d5d11 vfs: missed source of ->f_pos races
compat_sys_{read,write}v() need the same "pass a copy of file->f_pos" thing
as sys_{read,write}{,v}().

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-08-20 10:11:47 -07:00
Sage Weil d1c338a509 libceph: delay debugfs initialization until we learn global_id
The debugfs directory includes the cluster fsid and our unique global_id.
We need to delay the initialization of the debug entry until we have
learned both the fsid and our global_id from the monitor or else the
second client can't create its debugfs entry and will fail (and multiple
client instances aren't properly reflected in debugfs).

Reported by: Yan, Zheng <zheng.z.yan@intel.com>
Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Yehuda Sadeh <yehuda@inktank.com>
2012-08-20 10:03:15 -07:00
Trond Myklebust 0866004304 NFSv3: Ensure that do_proc_get_root() reports errors correctly
If the rpc call to NFS3PROC_FSINFO fails, then we need to report that
error so that the mount fails. Otherwise we can end up with a
superblock with completely unusable values for block sizes, maxfilesize,
etc.

Reported-by: Yuanming Chen <hikvision_linux@163.com>
Cc: stable@vger.kernel.org
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-08-20 12:52:42 -04:00
Maxim Mikityanskiy 0c7bbeb9f1 ideapad: add Lenovo IdeaPad Z570 support (part 3)
The patch adds support for Lenovo IdeaPad Z570 laptop. It makes all special
keys working, adds possibility to control fan like Windows does, controls
Touchpad Disabled LED, toggles touchpad state via keyboard controller and
corrects touchpad behavior on resume from suspend. It is new, modified
version of patch. Now it does not depend on psmouse and does not need patching
of input subsystem.

Signed-off-by: Maxim Mikityanskiy <maxtram95@gmail.com>

This is the part 3 for fan control

Signed-off-by: Ike Panhc <ike.pan@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
2012-08-20 12:44:41 -04:00
Maxim Mikityanskiy 07a4a4fc83 ideapad: add Lenovo IdeaPad Z570 support (part 2)
The patch adds support for Lenovo IdeaPad Z570 laptop. It makes all special
keys working, adds possibility to control fan like Windows does, controls
Touchpad Disabled LED, toggles touchpad state via keyboard controller and
corrects touchpad behavior on resume from suspend. It is new, modified
version of patch. Now it does not depend on psmouse and does not need patching
of input subsystem.

Signed-off-by: Maxim Mikityanskiy <maxtram95@gmail.com>

This is part 2 for touchpad toggle

Signed-off-by: Ike Panhc <ike.pan@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
2012-08-20 12:44:34 -04:00
Maxim Mikityanskiy 296f9fe05d ideapad: add Lenovo IdeaPad Z570 support (part 1)
The patch adds support for Lenovo IdeaPad Z570 laptop. It makes all special
keys working, adds possibility to control fan like Windows does, controls
Touchpad Disabled LED, toggles touchpad state via keyboard controller and
corrects touchpad behavior on resume from suspend. It is new, modified
version of patch. Now it does not depend on psmouse and does not need patching
of input subsystem.

Signed-off-by: Maxim Mikityanskiy <maxtram95@gmail.com>

This is part 1 for special button handling.

Signed-off-by: Ike Panhc <ike.pan@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
2012-08-20 12:35:30 -04:00
Trond Myklebust 7653f6ff4e NFSv4: Ensure that nfs4_alloc_client cleans up on error.
Any pointer that was allocated through nfs_alloc_client() needs to be
freed via a call to nfs_free_client().

Reported-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-08-20 12:12:29 -04:00
Alex Deucher c61e277587 drm/radeon: split ATRM support out from the ATPX handler (v3)
There are systems that use ATRM, but not ATPX.

Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=41265

V2: fix #ifdefs as per Greg's comments
V3: fix it harder

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2012-08-20 11:13:05 -04:00
Alex Deucher 7c3906d04a drm/radeon: convert radeon vfct code to use acpi_get_table_with_size
Allows us to verify the table size.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2012-08-20 11:13:05 -04:00
Alex Deucher 4f81f98676 ACPI: export symbol acpi_get_table_with_size
We need it in the radeon drm module to fetch
and verify the vbios image on UEFI systems.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2012-08-20 11:13:04 -04:00
David Lamparter 268ba0a99f drm/radeon: implement ACPI VFCT vbios fetch (v3)
This is required for pure UEFI systems.  The vbios is stored
in ACPI rather than at the legacy vga location.

Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=26891

V2: fix #ifdefs as per Greg's comments
V3: fix it harder

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Cc: stable@vger.kernel.org
2012-08-20 11:09:50 -04:00
Tvrtko Ursulin 52e9b39d9a drm/radeon/kms: extend the Fujitsu D3003-S2 board connector quirk to cover later silicon stepping
There is a more recent APU stepping with a new PCI ID
shipping in the same board by Fujitsu which needs the
same quirk to correctly mark the back plane connectors.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@onelan.co.uk>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2012-08-20 11:09:50 -04:00
Marek Olšák fcdeefe4df drm/radeon: fix checking of MSAA renderbuffers on r600-r700
The MSAA checking was mostly unimplemented on r600-r700. The userspace
submits GPU commands and the kernel driver computes how much memory
the GPU will access and checks if it's all within buffer bounds the
userspace allocated. This patch fixes the computations of the size of
MSAA surfaces in memory.

Signed-off-by: Marek Olšák <maraeo@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2012-08-20 11:09:49 -04:00
Marek Olšák c116cc9496 drm/radeon: allow CMASK and FMASK in the CS checker on r600-r700
MSAA is impossible without them.

Signed-off-by: Marek Olšák <maraeo@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
2012-08-20 11:09:49 -04:00
Christian König 48c0ac9911 drm/radeon: init lockup timeout on ring init
Reset the lockup timeout on ring (re-)initialisation.

Otherwise we get error messages like this on gpu resets:
[ 1559.949177] radeon 0000:01:00.0: GPU lockup CP stall for more than 1482270msec

Signed-off-by: Christian König <deathsimple@vodafone.de>
cc: stable@vger.kernel.org
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
2012-08-20 11:09:48 -04:00
Jerome Glisse 5efcc76c13 drm/radeon: avoid turning off spread spectrum for used pll
If spread spectrum is enabled and in use for a given pll we
should not turn it off as it will lead to turning off display
for crtc that use the pll (this behavior was observed on chelsea
edp).

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Cc: stable@vger.kernel.org
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2012-08-20 11:09:48 -04:00
Neal Cardwell fae6ef87fa net: tcp: move sk_rx_dst_set call after tcp_create_openreq_child()
This commit removes the sk_rx_dst_set calls from
tcp_create_openreq_child(), because at that point the icsk_af_ops
field of ipv6_mapped TCP sockets has not been set to its proper final
value.

Instead, to make sure we get the right sk_rx_dst_set variant
appropriate for the address family of the new connection, we have
tcp_v{4,6}_syn_recv_sock() directly call the appropriate function
shortly after the call to tcp_create_openreq_child() returns.

This also moves inet6_sk_rx_dst_set() to avoid a forward declaration
with the new approach.

Signed-off-by: Neal Cardwell <ncardwell@google.com>
Reported-by: Artem Savkov <artem.savkov@gmail.com>
Cc: Eric Dumazet <edumazet@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-08-20 03:03:33 -07:00
Randy Dunlap 3de7a37b02 net/core/dev.c: fix kernel-doc warning
Fix kernel-doc warning:

Warning(net/core/dev.c:5745): No description found for parameter 'dev'

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Cc:	"David S. Miller" <davem@davemloft.net>
Cc:	netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-08-20 03:00:55 -07:00
Amerigo Wang 72d3eb13b5 netconsole: remove a redundant netconsole_target_put()
This netconsole_target_put() is obviously redundant, and it
causes a kernel segfault when removing a bridge device which has
netconsole running on it.

This is caused by:

	commit 8d8fc29d02
	Author: Amerigo Wang <amwang@redhat.com>
	Date:   Thu May 19 21:39:10 2011 +0000

	    netpoll: disable netpoll when enslave a device

Cc: David Miller <davem@davemloft.net>
 (for all 3.x stable releases)
Cc: stable@vger.kernel.org
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-08-20 02:59:49 -07:00
Thierry Reding b817bf5c72 pwm: Improve Kconfig help text
The Kconfig help text should help the user understand what functionality
is provided by an option. This is especially true for new subsystems. An
improved help text is provided by this commit in the hopes of clarifying
the usefulness of the PWM framework.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Acked-by: Borislav Petkov <bp@alien8.de>
2012-08-20 11:58:43 +02:00
Patrick McHardy 9d7b0fc1ef net: ipv6: fix oops in inet_putpeer()
Commit 97bab73f (inet: Hide route peer accesses behind helpers.) introduced
a bug in xfrm6_policy_destroy(). The xfrm_dst's _rt6i_peer member is not
initialized, causing a false positive result from inetpeer_ptr_is_peer(),
which in turn causes a NULL pointer dereference in inet_putpeer().

Pid: 314, comm: kworker/0:1 Not tainted 3.6.0-rc1+ #17 To Be Filled By O.E.M. To Be Filled By O.E.M./P4S800D-X
EIP: 0060:[<c03abf93>] EFLAGS: 00010246 CPU: 0
EIP is at inet_putpeer+0xe/0x16
EAX: 00000000 EBX: f3481700 ECX: 00000000 EDX: 000dd641
ESI: f3481700 EDI: c05e949c EBP: f551def4 ESP: f551def4
 DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0068
CR0: 8005003b CR2: 00000070 CR3: 3243d000 CR4: 00000750
DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
DR6: ffff0ff0 DR7: 00000400
 f551df04 c0423de1 00000000 f3481700 f551df18 c038d5f7 f254b9f8 f551df28
 f34f85d8 f551df20 c03ef48d f551df3c c0396870 f30697e8 f24e1738 c05e98f4
 f5509540 c05cd2b4 f551df7c c0142d2b c043feb5 f5509540 00000000 c05cd2e8
 [<c0423de1>] xfrm6_dst_destroy+0x42/0xdb
 [<c038d5f7>] dst_destroy+0x1d/0xa4
 [<c03ef48d>] xfrm_bundle_flo_delete+0x2b/0x36
 [<c0396870>] flow_cache_gc_task+0x85/0x9f
 [<c0142d2b>] process_one_work+0x122/0x441
 [<c043feb5>] ? apic_timer_interrupt+0x31/0x38
 [<c03967eb>] ? flow_cache_new_hashrnd+0x2b/0x2b
 [<c0143e2d>] worker_thread+0x113/0x3cc

Fix by adding a init_dst() callback to struct xfrm_policy_afinfo to
properly initialize the dst's peer pointer.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-08-20 02:56:56 -07:00
Kelvin Cheung ae4d8cf299 net/stmmac: fix issue of clk_get for Loongson1B.
When getting clock, give a chance to the CPUs without DT support,
which use Common Clock Framework, such as Loongson1B.

Signed-off-by: Kelvin Cheung <keguang.zhang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-08-20 02:52:20 -07:00
Jesper Juhl d92c7f8aab caif: Do not dereference NULL in chnl_recv_cb()
In net/caif/chnl_net.c::chnl_recv_cb() we call skb_header_pointer()
which may return NULL, but we do not check for a NULL pointer before
dereferencing it.
This patch adds such a NULL check and properly free's allocated memory
and return an error (-EINVAL) on failure - much better than crashing..

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Acked-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-08-20 02:47:49 -07:00
David S. Miller 6c71bec66a Merge git://1984.lsi.us.es/nf
Pable Neira Ayuso says:

====================
The following five patches contain fixes for 3.6-rc, they are:

* Two fixes for message parsing in the SIP conntrack helper, from
  Patrick McHardy.

* One fix for the SIP helper introduced in the user-space cthelper
  infrastructure, from Patrick McHardy.

* fix missing appropriate locking while modifying one conntrack entry
  from the nfqueue integration code, from myself.

* fix possible access to uninitiliazed timer in the nf_conntrack
  expectation infrastructure, from myself.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-08-20 02:44:29 -07:00