Commit Graph

335924 Commits

Author SHA1 Message Date
Linus Torvalds
487bda54d7 AArch64 kernel fixes:
- correct argument type (pgprot_t) when calling __ioremap()
 - PCI_IOBASE virtual address change
 - use architected event for CPU cycle counter
 - fix ELF core dumping
 - select CONFIG_ARCH_WANT_COMPAT_IPC_PARSE_VERSION
 - missing completion for secondary CPU boot
 - booting on systems with all memory beyond 4GB
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64

Pull arm64 fixes from Catalin Marinas:
 - correct argument type (pgprot_t) when calling __ioremap()
 - PCI_IOBASE virtual address change
 - use architected event for CPU cycle counter
 - fix ELF core dumping
 - select CONFIG_ARCH_WANT_COMPAT_IPC_PARSE_VERSION
 - missing completion for secondary CPU boot
 - booting on systems with all memory beyond 4GB

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64:
  arm64: mm: fix booting on systems with no memory below 4GB
  arm64: smp: add missing completion for secondary boot
  arm64: compat: select CONFIG_ARCH_WANT_COMPAT_IPC_PARSE_VERSION
  arm64: elf: fix core dumping definitions for GP and FP registers
  arm64: perf: use architected event for CPU cycle counter
  arm64: Move PCI_IOBASE closer to MODULES_VADDR
  arm64: Use pgprot_t as the last argument when invoking __ioremap()
2012-11-10 06:58:20 +01:00
Linus Torvalds
0020dd0b8c Bug-fixes:
* Fix compile issues on ARM.
  * Fix hypercall fallback code for old hypervisors.
  * Print out which HVM parameter failed if it fails.
  * Fix idle notifier call after irq_enter.
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Merge tag 'stable/for-linus-3.7-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen

Pull Xen fixes from Konrad Rzeszutek Wilk:
 "There are three ARM compile fixes (we forgot to export certain
  functions and if the drivers are built as an module - we go belly-up).

  There is also an mismatch of irq_enter() / exit_idle() calls sequence
  which were fixed some time ago in other piece of codes, but failed to
  appear in the Xen code.

  Lastly a fix for to help in the field with troubleshooting in case we
  cannot get the appropriate parameter and also fallback code when
  working with very old hypervisors."

Bug-fixes:
 - Fix compile issues on ARM.
 - Fix hypercall fallback code for old hypervisors.
 - Print out which HVM parameter failed if it fails.
 - Fix idle notifier call after irq_enter.

* tag 'stable/for-linus-3.7-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
  xen/arm: Fix compile errors when drivers are compiled as modules (export more).
  xen/arm: Fix compile errors when drivers are compiled as modules.
  xen/generic: Disable fallback build on ARM.
  xen/events: fix RCU warning, or Call idle notifier after irq_enter()
  xen/hvm: If we fail to fetch an HVM parameter print out which flag it is.
  xen/hypercall: fix hypercall fallback code for very old hypervisors
2012-11-10 06:56:21 +01:00
David S. Miller
226f7cea94 sparc64: Fix build with mix of modular vs. non-modular crypto drivers.
We tried linking in a single built object to hold the device table,
but only works if all of the sparc64 crypto modules get built the same
way (modular vs. non-modular).

Just include the device ID stub into each driver source file so that
the table gets compiled into the correct result in all cases.

Reported-by: Meelis Roos <mroos@linux.ee>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-09 20:55:16 -08:00
David S. Miller
193d2aadc0 sparc: Support atomic64_dec_if_positive properly.
Sparc32 already supported it, as a consequence of using the
generic atomic64 implementation.  And the sparc64 implementation
is rather trivial.

This allows us to set ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE for all
of sparc, and avoid the annoying warning from lib/atomic64_test.c

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-09 19:37:59 -08:00
Andreas Larsson
0bce04be44 of/address: sparc: Declare of_address_to_resource() as an extern function for sparc again
This bug-fix makes sure that of_address_to_resource is defined extern for sparc
so that the sparc-specific implementation of of_address_to_resource() is once
again used when including include/linux/of_address.h in a sparc context. A
number of drivers in mainline relies on this function working for sparc.

The bug was introduced in a850a75544, "of/address:
add empty static inlines for !CONFIG_OF". Contrary to that commit title, the
static inlines are added for !CONFIG_OF_ADDRESS, and CONFIG_OF_ADDRESS is never
defined for sparc. This is good behavior for the other functions in
include/linux/of_address.h, as the extern functions defined in
drivers/of/address.c only gets linked when OF_ADDRESS is configured. However,
for of_address_to_resource there exists a sparc-specific implementation in
arch/sparc/arch/sparc/kernel/of_device_common.c

Solution suggested by: Sam Ravnborg <sam@ravnborg.org>

Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-09 16:30:50 -08:00
Andreas Larsson
20424d85f8 sparc32, leon: Check for existent irq_map entry in leon_handle_ext_irq
If an irq is being unlinked concurrently with leon_handle_ext_irq,
irq_map[eirq] might be null in leon_handle_ext_irq. Make sure that
this is not dereferenced.

Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-09 16:30:50 -08:00
Andreas Larsson
5cf8f7db82 sparc: Add sparc support for platform_get_irq()
This adds sparc support for platform_get_irq that in the normal case use
platform_get_resource() to get an irq. This standard approach fails for sparc as
there are no resources of type IORESOURCE_IRQ for irqs for sparc.

Cross platform drivers can then use this standard platform function and work on
sparc instead of having to have a special case for sparc.

Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-09 16:30:49 -08:00
Nicolas Dichtel
a375413311 gre6: fix rtnl dump messages
Spotted after a code review.
Introduced by c12b395a46 (gre: Support GRE over
IPv6).

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-09 17:11:17 -05:00
Wang Dongsheng
103cdd1d59 gianfar: ethernet vanishes after restoring from hibernation
If a gianfar ethernet device is down prior to hibernating a
system, it will no longer be present upon system restore.

For example:

	~# ifconfig eth0 down
	~# echo disk > /sys/power/state

	  <trigger a restore from hibernation>

	~# ifconfig eth0 up
	SIOCSIFFLAGS: No such device

This happens because the restore function bails out early upon
finding devices that were not up at hibernation.  In doing so,
it never gets to the netif_device_attach call at the end of
the restore function.  Adding the netif_device_attach as done
here also makes the gfar_restore code consistent with what is
done in the gfar_resume code.

Cc: Claudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: Wang Dongsheng <dongsheng.wang@freescale.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Acked-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-09 17:08:36 -05:00
Steve Glendinning
9532021da6 usbnet: ratelimit kevent may have been dropped warnings
when something goes wrong, a flood of these messages can be
generated by usbnet (thousands per second).  This doesn't
generally *help* the condition so this patch ratelimits the
rate of their generation.

There's an underlying problem in usbnet's kevent deferral
mechanism which needs fixing, specifically that events *can*
get dropped and not handled.  This patch doesn't address this,
but just mitigates fallout caused by the current implemention.

Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-09 16:59:32 -05:00
Hannes Frederic Sowa
60713a0ca7 ipv6: send unsolicited neighbour advertisements to all-nodes
As documented in RFC4861 (Neighbor Discovery for IP version 6) 7.2.6.,
unsolicited neighbour advertisements should be sent to the all-nodes
multicast address.

Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-09 16:18:52 -05:00
Linus Torvalds
a1c2d60889 Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes (again) from Dave Airlie:
 "dropped the ball on a vmware patch, so two more fixes for vmwgfx are
  here, one for hibernate issue, one for a BUG trigger."

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/vmwgfx: Fix a case where the code would BUG when trying to pin GMR memory
  drm/vmwgfx: Fix hibernation device reset
2012-11-09 21:35:51 +01:00
Linus Torvalds
63d4ec8731 PCI updates for v3.7:
Power management
       PCI/PM: Fix proc config reg access for D3cold and bridge suspending
       PCI/PM: Resume device before shutdown
       PCI/PM: Fix deadlock when unbinding device if parent in D3cold
   Hotplug
       PCI/portdrv: Don't create hotplug slots unless port supports hotplug
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Merge tag '3.7-pci-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI fixes from Bjorn Helgaas:
 "Power management:
    - PCI/PM: Fix proc config reg access for D3cold and bridge
      suspending
    - PCI/PM: Resume device before shutdown
    - PCI/PM: Fix deadlock when unbinding device if parent in D3cold
  Hotplug:
    -  PCI/portdrv: Don't create hotplug slots unless port supports
       hotplug"

* tag '3.7-pci-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  PCI/portdrv: Don't create hotplug slots unless port supports hotplug
  PCI/PM: Fix proc config reg access for D3cold and bridge suspending
  PCI/PM: Resume device before shutdown
  PCI/PM: Fix deadlock when unbinding device if parent in D3cold
2012-11-09 21:33:53 +01:00
Linus Torvalds
a4275153cc MMC fixes for 3.7-rc5:
- sdhci: fix a NULL dereference at resume-time, seen on OLPC XO-4
  - sdhci: fix against 3.7-rc1 for UHS modes without a vqmmc regulator
  - sdhci-of-esdhc: disable CMD23 on boards where it's broken
  - sdhci-s3c: fix against 3.7-rc1 for card detection with runtime PM
  - dw_mmc, omap_hsmmc: fix potential NULL derefs, compiler warnings
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Merge tag 'mmc-fixes-for-3.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc

Pull MMC fixes from Chris Ball:
 - sdhci: fix a NULL dereference at resume-time, seen on OLPC XO-4
 - sdhci: fix against 3.7-rc1 for UHS modes without a vqmmc regulator
 - sdhci-of-esdhc: disable CMD23 on boards where it's broken
 - sdhci-s3c: fix against 3.7-rc1 for card detection with runtime PM
 - dw_mmc, omap_hsmmc: fix potential NULL derefs, compiler warnings

* tag 'mmc-fixes-for-3.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc:
  mmc: sdhci-s3c: fix the card detection in runtime-pm
  mmc: sdhci-s3c: use clk_prepare_enable and clk_disable_unprepare
  mmc: dw_mmc: constify dw_mci_idmac_ops in exynos back-end
  mmc: dw_mmc: fix modular build for exynos back-end
  mmc: sdhci: fix NULL dereference in sdhci_request() tuning
  mmc: sdhci: fix IS_ERR() checking of regulator_get()
  mmc: fix sdhci-dove probe/removal
  mmc: sh_mmcif: fix use after free
  mmc: sdhci-pci: fix 'Invalid iomem size' error message condition
  mmc: mxcmmc: Fix MODULE_ALIAS
  mmc: omap_hsmmc: fix NULL pointer dereference for dt boot
  mmc: omap_hsmmc: fix host reference after mmc_free_host
  mmc: dw_mmc: fix multiple drv_data NULL dereferences
  mmc: dw_mmc: enable controller interrupt before calling mmc_start_host
  mmc: sdhci-of-esdhc: disable CMD23 for some Freescale SoCs
  mmc: dw_mmc: remove _dev_info compile warning
  mmc: dw_mmc: convert the variable type of irq
2012-11-09 21:32:33 +01:00
Linus Torvalds
9ca72adc18 Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fix from Herbert Xu:
 "This push fixes a potential panic in cryptd which may occur with
  crypto drivers such as aesni-intel."

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: cryptd - disable softirqs in cryptd_queue_worker to prevent data corruption
2012-11-09 18:10:20 +01:00
Linus Torvalds
3f561834dc Sound fixes for 3.7-rc5
Most of commits are for stable and regression fixes.  Except for one
 fix for a regression in 3.7-rc4, there are all driver local changes,
 so nothing too much to worry.
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Merge tag 'sound-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "Most of commits are for stable and regression fixes.  Except for one
  fix for a regression in 3.7-rc4, there are all driver local changes,
  so nothing too much to worry."

* tag 'sound-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: Fix card refcount unbalance
  ALSA: hda - Add new codec ALC668 and ALC900 (default name ALC1150)
  ALSA: hda - Improve HP depop when system enter to S3
  ALSA: usb-audio: Fix crash at re-preparing the PCM stream
  ALSA: hdspm - Fix sync check reporting on RME RayDAT
  ALSA: hda - Add pin fixups for ASUS G75
  ALSA: hda - Fix invalid connections in VT1802 codec
  ALSA: hda - Fix empty DAC filling in patch_via.c
  ALSA: hda - Force to reset IEC958 status bits for AD codecs
  ALSA: es1968: Add ESS vendor ID to pm_whitelist
  ALSA: HDA: Mark CS260x immutable structures const
  ALSA: HDA: Fix digital microphone on CS420x
  ALSA: hda: Cirrus: Fix coefficient index for beep configuration
  ALSA: hda - support Teradici 2200 host card audio
  ALSA: Fix typo in drivers sound
2012-11-09 18:08:04 +01:00
Mukund Navada
d055852ee8 ASoC: core: Double control update err for snd_soc_put_volsw_sx
snd_soc_put_volsw_sx function fails to update second control
if first control is updated by snd_soc_update_bits_locked.

Signed-off-by: Mukund Navada <navada@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org
2012-11-09 16:32:05 +00:00
Misael Lopez Cruz
445632ad6d ASoC: dapm: Use card_list during DAPM shutdown
DAPM shutdown incorrectly uses "list" field of codec struct while
iterating over probed components (codec_dev_list). "list" field
refers to codecs registered in the system, "card_list" field is
used for probed components.

Signed-off-by: Misael Lopez Cruz <misael.lopez@ti.com>
Signed-off-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org
2012-11-09 16:31:59 +00:00
Johannes Berg
20f544eea0 mac80211: don't send null data packet when not associated
On resume or firmware recovery, mac80211 sends a null
data packet to see if the AP is still around and hasn't
disconnected us. However, it always does this even if
it wasn't even connected before, leading to a warning
in the new channel context code. Fix this by checking
that it's associated.

Cc: stable@vger.kernel.org
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-09 17:31:47 +01:00
Johan Hedberg
482049f757 Bluetooth: Fix memory leak when removing a UUID
When removing a UUID from the list in the remove_uuid() function we must
also kfree the entry in addition to removing it from the list.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-11-09 16:45:37 +01:00
Marcos Chaparro
acd9454433 Bluetooth: ath3k: Add support for VAIO VPCEH [0489:e027]
Added Atheros AR3011 internal bluetooth device found in Sony VAIO VPCEH to the
devices list.
Before this, the bluetooth module was identified as an Foxconn / Hai bluetooth
device [0489:e027], now it claims to be an AtherosAR3011 Bluetooth
[0cf3:3005].

T:  Bus=01 Lev=02 Prnt=02 Port=04 Cnt=02 Dev#=  4 Spd=12   MxCh= 0
D:  Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=0489 ProdID=e027 Rev= 0.01
C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA
I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=81(I) Atr=03(Int.) MxPS=  16 Ivl=1ms
E:  Ad=82(I) Atr=02(Bulk) MxPS=  64 Ivl=0ms
E:  Ad=02(O) Atr=02(Bulk) MxPS=  64 Ivl=0ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=   0 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=   0 Ivl=1ms
I:  If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=   9 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=   9 Ivl=1ms
I:  If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  17 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  17 Ivl=1ms
I:  If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  25 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  25 Ivl=1ms
I:  If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  33 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  33 Ivl=1ms
I:  If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  49 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  49 Ivl=1ms

Signed-off-by: Marcos Chaparro <marcos@mrkindustries.com.ar>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-11-09 16:45:37 +01:00
Marcel Holtmann
fbe96d6ff9 Bluetooth: Notify about device registration before power on
It is important that the monitor interface gets notified about
a new device before its power on procedure has been started.

For some reason that is no longer working as expected and the power
on procedure runs first. It is safe to just notify about device
registration and trigger the power on procedure afterwards.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Acked-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-11-09 16:45:37 +01:00
Paulo Sérgio
896ea28ea8 Bluetooth: Fix error status when pairing fails
When pairing fails due to wrong confirm value, the management layer
doesn't report a proper error status. It sends
MGMT_STATUS_CONNECT_FAILED instead of MGMT_STATUS_AUTH_FAILED.

Most of management functions that receive a status as a parameter
expects for it to be encoded as a HCI status. But when a SMP pairing
fails, the SMP layer sends the SMP reason as the error status to the
management layer.

This commit maps all SMP reasons to HCI_ERROR_AUTH_FAILURE, which will
be converted to MGMT_STATUS_AUTH_FAILED in the management layer.

Reported-by: Claudio Takahasi <claudio.takahasi@openbossa.org>
Reviewed-by: João Paulo Rechi Vita <jprvita@openbossa.org>
Signed-off-by: Paulo Sérgio <paulo.sergio@openbossa.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-11-09 16:45:37 +01:00
Johan Hedberg
476e44cb19 Bluetooth: Fix having bogus entries in mgmt_read_index_list reply
The mgmt_read_index_list uses one loop to calculate the max needed size
of its response with the help of an upper-bound of the controller count.
The second loop is more strict as it checks for HCI_SETUP (which might
have gotten set after the first loop) and could result in some indexes
being skipped. Because of this the function needs to readjust the event
length and index count after filling in the response array.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Cc: stable@vger.kernel.org
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-11-09 16:45:37 +01:00
Stefano Stabellini
ab277bbf66 xen/arm: Fix compile errors when drivers are compiled as modules (export more).
The commit 911dec0db4
"xen/arm: Fix compile errors when drivers are compiled as modules." exports
the neccessary functions. But to guard ourselves against out-of-tree modules
and future drivers hitting this, lets export all of the relevant
hypercalls.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2012-11-09 07:48:22 -05:00
Thomas Hellstrom
afcc87aa6a drm/vmwgfx: Fix a case where the code would BUG when trying to pin GMR memory
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Dmitry Torokhov <dtor@vmware.com>
Cc: stable@vger.kernel.org
Cc: linux-graphics-maintainer@vmware.com
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-11-09 20:49:06 +10:00
Thomas Hellstrom
95e8f6a219 drm/vmwgfx: Fix hibernation device reset
The device would not reset properly when resuming from hibernation.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Dmitry Torokhov <dtor@vmware.com>
Cc: stable@vger.kernel.org
Cc: linux-graphics-maintainer@vmware.com
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-11-09 20:49:02 +10:00
Jim Quinlan
e97c5b6098 MIPS: Make irqflags.h functions preempt-safe for non-mipsr2 cpus
For non MIPSr2 processors, such as the BMIPS 5000, calls to
arch_local_irq_disable() and others may be preempted, and in doing
so a stale value may be restored to c0_status.  This fix disables
preemption for such processors prior to the call and enables it
after the call.

Those functions that needed this fix have been "outlined" to
mips-atomic.c, as they are no longer good candidates for inlining.

This bug was observed in a BMIPS 5000, occuring once every few hours
in a continuous reboot test.  It was traced to the write_lock_irq()
function which was being invoked in release_task() in exit.c.
By placing a number of "nops" inbetween the mfc0/mtc0 pair in
arch_local_irq_disable(), which is called by write_lock_irq(), we
were able to greatly increase the occurance of this bug.  Similarly,
the application of this commit silenced the bug.

Signed-off-by: Jim Quinlan <jim2101024@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: David Daney <ddaney.cavm@gmail.com>
Cc: Kevin Cernekee cernekee@gmail.com
Cc: Jim Quinlan <jim2101024@gmail.com>
Patchwork: https://patchwork.linux-mips.org/patch/4321/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-11-09 10:59:21 +01:00
Jim Quinlan
92d11594f6 MIPS: Remove irqflags.h dependency from bitops.h
The "else clause" of most functions in bitops.h invoked
raw_local_irq_{save,restore}() and in doing so had a dependency on
irqflags.h.  This fix moves said code to bitops.c, removing the
dependency.

Signed-off-by: Jim Quinlan <jim2101024@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: David Daney <ddaney.cavm@gmail.com>
Cc: Kevin Cernekee cernekee@gmail.com
Cc: Jim Quinlan <jim2101024@gmail.com>
Patchwork: https://patchwork.linux-mips.org/patch/4320/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-11-09 10:59:10 +01:00
Jim Quinlan
9de79c5006 MIPS: bitops.h: Change use of 'unsigned short' to 'int'
[ralf@linux-mips.org: No functional change but it's consistent with how
use types elsewhere in the code.]

Signed-off-by: Jim Quinlan <jim2101024@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: David Daney <ddaney.cavm@gmail.com>
Cc: Kevin Cernekee cernekee@gmail.com
Cc: Jim Quinlan <jim2101024@gmail.com>
Patchwork: https://patchwork.linux-mips.org/patch/4319/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-11-09 10:58:50 +01:00
Ralf Baechle
34d875d7b5 MIPS: compat: Delete now unused TIF_32BIT.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-11-09 10:58:36 +01:00
Ralf Baechle
6ad560b454 MIPS: compat: Implement is_compat_task() by testing for 32-bit address space.
So far is_compat_task() was testing for 32-bit registers if O32 support
was enabled and if O32 support was disabled but N32 enabled it was testing
for 32-bit address space.  So if both O32 and N32 were enabled a N32
task was not considered a compat task, whops.

This still leaves potential cases where O32 and N32 need different treatment
unsolved.  But that's another commit.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-11-09 10:58:29 +01:00
Ralf Baechle
4870639a75 MIPS: compat: Fix use of TIF_32BIT_ADDR vs _TIF_32BIT_ADDR
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-11-09 10:58:18 +01:00
Kees Cook
c284464658 arch/unicore32: remove CONFIG_EXPERIMENTAL
This config item has not carried much meaning for a while now and is
almost always enabled by default. As agreed during the Linux kernel
summit, remove it.

CC: Guan Xuetao <gxt@mprc.pku.edu.cn>
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
2012-11-09 17:30:10 +08:00
Al Viro
60541d778e unicore32: switch to generic sys_execve()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-and-Tested-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
2012-11-09 17:30:10 +08:00
Al Viro
38e993535e unicore32: switch to generic kernel_thread()/kernel_execve()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-and-Tested-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
2012-11-09 17:30:09 +08:00
Guan Xuetao
ddd2d384b0 unicore32: Use Kbuild infrastructure for kvm_para.h
All the headers but kvm_para.h use the Kbuild infrastructure to
get to the asm-generic headers.

Cc: linux-kbuild@vger.kernel.org
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
2012-11-09 17:30:09 +08:00
David Howells
e8ce15a6d7 UAPI: (Scripted) Disintegrate arch/unicore32/include/asm
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Michael Kerrisk <mtk.manpages@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Dave Jones <davej@redhat.com>
2012-11-09 17:30:09 +08:00
Guan Xuetao
10e1e99e55 UniCore32-bugfix: Remove definitions in asm/bug.h to solve difference between native and cross compiler
For kernel/bound.c being compiled by native compiler, it will generate following errors in gcc 4.4.3:
  CC      kernel/bounds.s
In file included from include/linux/bug.h:4,
                 from include/linux/page-flags.h:9,
                 from kernel/bounds.c:9:
arch/unicore32/include/asm/bug.h:22: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'void'
arch/unicore32/include/asm/bug.h:23: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'void'

So, we moved definitions in asm/bug.h to arch/unicore32/kernel/setup.h to solve the problem.

Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
2012-11-09 17:30:09 +08:00
Guan Xuetao
195d4577d1 UniCore32-bugfix: fix mismatch return value of __xchg_bad_pointer
When disintegrate system.h, I left an error in asm/cmpxchg.h, which
will result in following error:

arch/unicore32/include/asm/cmpxchg.h: In function '__xchg':
arch/unicore32/include/asm/cmpxchg.h:38: error: void value not ignored as it ought to be

Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
2012-11-09 17:30:09 +08:00
Guan Xuetao
446d141e1c UniCore32 bugfix: add missed CONFIG_ZONE_DMA
Because our PCI-bus handler confines dma zone into 128M, we should add
CONFIG_ZONE_DMA for all boards. Otherwise, all memory bigger than 128M
will be pushed into ZONE_MOVABLE.

Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Liu Guoli <liuguoli@mprc.pku.edu.cn>
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
2012-11-09 17:30:09 +08:00
Kautuk Consul
f3f09d5a44 unicore32/mm/fault.c: Port OOM changes to do_pf
Commit d065bd810b
(mm: retry page fault when blocking on disk transfer) and
commit 37b23e0525
(x86,mm: make pagefault killable)

The above commits introduced changes into the x86 pagefault handler
for making the page fault handler retryable as well as killable.

These changes reduce the mmap_sem hold time, which is crucial
during OOM killer invocation.

Port these changes to unicore32.

Signed-off-by: Kautuk Consul <consul.kautuk@gmail.com>
Acked-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
2012-11-09 17:30:08 +08:00
Johannes Berg
cfff2f999d mac80211: fix memory leak in device registration error path
If the cipher suites need to be allocated, but this
allocation fails, this leaks the internal scan request.
Fix that by going to the correct error handling label.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-09 09:48:43 +01:00
Linus Torvalds
a186d25de3 Some pinctrl fixes for the v3.7 series:
- A set of SPEAr pinctrl fixes that recently arrived
 - A fixup for the Samsung/Exynos Kconfig deps
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Merge tag 'pinctrl-for-v3.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pinctrl fixes from Linus Walleij:

 - A set of SPEAr pinctrl fixes that recently arrived

 - A fixup for the Samsung/Exynos Kconfig deps

* tag 'pinctrl-for-v3.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinctrl: samsung and exynos need to depend on OF && GPIOLIB
  pinctrl: SPEAr1340: Add clcd sleep mode pin configuration
  pinctrl: SPEAr1340: Make DDR reset & clock pads as gpio
  pinctrl: SPEAr1310: add register entries for enabling pad direction
  pinctrl: SPEAr1310: Separate out pci pins from pcie_sata pin group
  pinctrl: SPEAr1310: Fix value of PERIP_CFG reigster and MCIF_SEL_SHIFT
  pinctrl: SPEAr1310: fix clcd high resolution pin group name
  pinctrl: SPEAr320: Correct pad mux entries for rmii/smii
  pinctrl: SPEAr3xx: correct register space to configure pwm
  pinctrl: SPEAr: Don't update all non muxreg bits on pinctrl_disable
2012-11-09 06:59:04 +01:00
Linus Torvalds
4ad48bb72c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Martin Schwidefsky:
 "A couple of bug fixes.  I keep the fingers crossed that we now got
  transparent huge pages ready for prime time."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/cio: fix length calculation in idset.c
  s390/sclp: fix addressing mode clobber
  s390: Move css limits from drivers/s390/cio/ to include/asm/.
  s390/thp: respect page protection in pmd_none() and pmd_present()
  s390/mm: use pmd_large() instead of pmd_huge()
  s390/cio: suppress 2nd path verification during resume
2012-11-09 06:57:56 +01:00
Linus Torvalds
976bacef40 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID fix from Jiri Kosina:
 "This reverts a patch that causes regression in binding between HID
  devices and drivers during device unplug/replug cycle."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
  HID: hidraw: put old deallocation mechanism in place
2012-11-09 06:56:23 +01:00
Linus Torvalds
ce6d841e9c Merge branch 'akpm' (Fixes from Andrew)
Merge misc fixes from Andrew Morton:
 "Five fixes"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (5 patches)
  h8300: add missing L1_CACHE_SHIFT
  mm: bugfix: set current->reclaim_state to NULL while returning from kswapd()
  fanotify: fix missing break
  revert "epoll: support for disabling items, and a self-test app"
  checkpatch: improve network block comment style checking
2012-11-09 06:53:02 +01:00
Linus Torvalds
c0cba03baa Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
 "Just radeon and nouveau, mostly regressions fixers, and a couple of
  radeon register checker fixes."

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/nouveau: fix acpi edid retrieval
  drm/nvc0/disp: fix regression in vblank semaphore release
  drm/nv40/mpeg: fix context handling
  drm/nv40/graph: fix typo in type names
  drm/nv41/vm: fix typo in type name
  drm/radeon/si: add some missing regs to the VM reg checker
  drm/radeon/cayman: add some missing regs to the VM reg checker
  drm/radeon/dce3: switch back to old pll allocation order for discrete
2012-11-09 06:49:24 +01:00
Linus Torvalds
cdfe1565c0 YA module signing build tweak, and two cc'd to stable.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux

Pull virtio and module fixes from Rusty Russell:
 "YA module signing build tweak, and two cc'd to stable."

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
  virtio: Don't access index after unregister.
  modules: don't break modules_install on external modules with no key.
  module: fix out-by-one error in kallsyms
2012-11-09 06:47:55 +01:00
Linus Torvalds
a601e63717 xfs: bugfixes for 3.7-rc5
- fix for large transactions spanning multiple iclog buffers
 - zero the allocation_args structure on the stack before using it
   to determine whether to use a worker for allocation
 - move allocation stack switch to xfs_bmapi_allocate in order
   to prevent deadlock on AGF buffers
 - growfs no longer reads in garbage for new secondary superblocks
 - silence a build warning
 - ensure that invalid buffers never get written to disk while on
   free list
 - don't vmap inode cluster buffers during free
 - fix buffer shutdown reference count mismatch
 - fix reading of wrapped log data
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Merge tag 'for-linus-v3.7-rc5' of git://oss.sgi.com/xfs/xfs

Pull xfs bugfixes from Ben Myers:

 - fix for large transactions spanning multiple iclog buffers

 - zero the allocation_args structure on the stack before using it to
   determine whether to use a worker for allocation
 - move allocation stack switch to xfs_bmapi_allocate in order to
   prevent deadlock on AGF buffers

 - growfs no longer reads in garbage for new secondary superblocks

 - silence a build warning

 - ensure that invalid buffers never get written to disk while on free
   list

 - don't vmap inode cluster buffers during free

 - fix buffer shutdown reference count mismatch

 - fix reading of wrapped log data

* tag 'for-linus-v3.7-rc5' of git://oss.sgi.com/xfs/xfs:
  xfs: fix reading of wrapped log data
  xfs: fix buffer shudown reference count mismatch
  xfs: don't vmap inode cluster buffers during free
  xfs: invalidate allocbt blocks moved to the free list
  xfs: silence uninitialised f.file warning.
  xfs: growfs: don't read garbage for new secondary superblocks
  xfs: move allocation stack switch up to xfs_bmapi_allocate
  xfs: introduce XFS_BMAPI_STACK_SWITCH
  xfs: zero allocation_args on the kernel stack
  xfs: only update the last_sync_lsn when a transaction completes
2012-11-09 06:42:51 +01:00