OSDN Git Service
Linus Torvalds [Fri, 6 Mar 2015 21:47:56 +0000 (13:47 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/jikos/livepatching
Pull livepatching fix from Jiri Kosina:
"Fix an RCU unlock misplacement in live patching infrastructure, from
Peter Zijlstra"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching:
livepatch: fix RCU usage in klp_find_external_symbol()
Linus Torvalds [Fri, 6 Mar 2015 21:43:33 +0000 (13:43 -0800)]
Merge branch 'fixes' of git://git./linux/kernel/git/evalenti/linux-soc-thermal
Pull thermal management fixes from Eduardo Valentin:
"Specifics:
- adding Lukasz as maintainer of samsung thermal driver.
- driver fixes: exynos and int430x.
- one fix in the exynos cpufreq driver related to cpu cooling (acked
by cpufreq maintainer).
- fix default sysfs attributes of cooling devices
Note: I am sending this pull on Rui's behalf while he fixes issues in his Linux box"
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal:
thermal: Make sysfs attributes of cooling devices default attributes
Thermal/int340x: Fix memleak for aux trip
MAINTAINERS: Add entry for SAMSUNG THERMAL DRIVER
cpufreq: exynos: Use simple approach to asses if cpu cooling can be used
thermal: exynos: Fix wrong control of power down detection mode for Exynos7
Linus Torvalds [Fri, 6 Mar 2015 18:55:41 +0000 (10:55 -0800)]
Merge tag 'sound-4.0-rc3' of git://git./linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Here are a few more ASoC changes that have been gathered since rc1,
but it's still fairly calm over all. The only largish LOC is found in
atmel driver, and it's just a removal of broken non-DT stuff. The
rest are all small driver-specific fixes, nothing to worry much"
* tag 'sound-4.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (26 commits)
ALSA: hda - One more Dell macine needs DELL1_MIC_NO_PRESENCE quirk
ALSA: opl3: small array underflow
ALSA: line6: Clamp values correctly
ALSA: msnd: add some missing curly braces
ASoC: omap-pcm: Correct dma mask
ASoC: simple-card: Add a NULL pointer check in asoc_simple_card_dai_link_of
ASoC: sam9g20_wm8731: drop machine_is_xxx
ALSA: dice: fix wrong offsets for Dice interface
ALSA: oxfw: fix a condition and return code in start_stream()
ASoC: OMAP: mcbsp: Fix CLKX and CLKR pinmux when used as inputs
ASoC: rt5677: Correct the routing paths of that after IF1/2 DACx Mux
ASoC: sta32x: fix register range in regmap.
ASoC: rt5670: Set RT5670_IRQ_CTRL1 non volatile
ASoC: Intel: reset the DSP while suspending
ASoC: Intel: save and restore the CSR register
ASoC: Intel: update MMX ID to 3
ASoC: max98357a: Add missing header files
ASoC: cirrus: tlv320aic23 needs I2C
ASoC: Samsung: add missing I2C/SPI dependencies
ASoC: rt5670: Fix the speaker mono output issue
...
Linus Torvalds [Fri, 6 Mar 2015 18:36:09 +0000 (10:36 -0800)]
Merge tag 'pm+acpi-4.0-rc3' of git://git./linux/kernel/git/rafael/linux-pm
Pull power management and ACPI fixes from Rafael Wysocki:
"These are fixes for recent regressions (ACPI resources management,
suspend-to-idle), stable-candidate fixes (ACPI backlight), fixes
related to the wakeup IRQ management changes made in v3.18, other
fixes (suspend-to-idle, cpufreq ppc driver) and a couple of cleanups
(suspend-to-idle, generic power domains, ACPI backlight).
Specifics:
- Fix ACPI resources management problems introduced by the recent
rework of the code in question (Jiang Liu) and a build issue
introduced by those changes (Joachim Nilsson).
- Fix a recent suspend-to-idle regression on systems where entering
idle states causes local timers to stop, prevent suspend-to-idle
from crashing in restricted configurations (no cpuidle driver,
cpuidle disabled etc.) and clean up the idle loop somewhat while at
it (Rafael J Wysocki).
- Fix build problem in the cpufreq ppc driver (Geert Uytterhoeven).
- Allow the ACPI backlight driver module to be loaded if ACPI is
disabled which helps the i915 driver in those configurations
(stable-candidate) and change the code to help debug unusual use
cases (Chris Wilson).
- Wakeup IRQ management changes in v3.18 caused some drivers on the
at91 platform to trigger a warning from the IRQ core related to an
unexpected combination of interrupt action handler flags. However,
on at91 a timer IRQ is shared with some other devices (including
system wakeup ones) and that leads to the unusual combination of
flags in question.
To make it possible to avoid the warning introduce a new interrupt
action handler flag (which can be used by drivers to indicate the
special case to the core) and rework the problematic at91 drivers
to use it and work as expected during system suspend/resume. From
Boris Brezillon, Rafael J Wysocki and Mark Rutland.
- Clean up the generic power domains subsystem's debugfs interface
(Kevin Hilman)"
* tag 'pm+acpi-4.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
genirq / PM: describe IRQF_COND_SUSPEND
tty: serial: atmel: rework interrupt and wakeup handling
watchdog: at91sam9: request the irq with IRQF_NO_SUSPEND
cpuidle / sleep: Use broadcast timer for states that stop local timer
clk: at91: implement suspend/resume for the PMC irqchip
rtc: at91rm9200: rework wakeup and interrupt handling
rtc: at91sam9: rework wakeup and interrupt handling
PM / wakeup: export pm_system_wakeup symbol
genirq / PM: Add flag for shared NO_SUSPEND interrupt lines
ACPI / video: Propagate the error code for acpi_video_register
ACPI / video: Load the module even if ACPI is disabled
PM / Domains: cleanup: rename gpd -> genpd in debugfs interface
cpufreq: ppc: Add missing #include <asm/smp.h>
x86/PCI/ACPI: Relax ACPI resource descriptor checks to work around BIOS bugs
x86/PCI/ACPI: Ignore resources consumed by host bridge itself
cpuidle: Clean up fallback handling in cpuidle_idle_call()
cpuidle / sleep: Do sanity checks in cpuidle_enter_freeze() too
idle / sleep: Avoid excessive disabling and enabling interrupts
PCI: versatile: Update for list_for_each_entry() API change
genirq / PM: better describe IRQF_NO_SUSPEND semantics
Linus Torvalds [Fri, 6 Mar 2015 18:31:38 +0000 (10:31 -0800)]
Merge tag 'locks-v4.0-3' of git://git.samba.org/jlayton/linux
Pull file locking fix from Jeff Layton:
"Just a single patch to fix a memory leak that Daniel Wagner discovered
while doing some testing with leases"
* tag 'locks-v4.0-3' of git://git.samba.org/jlayton/linux:
locks: fix fasync_struct memory leak in lease upgrade/downgrade handling
Linus Torvalds [Fri, 6 Mar 2015 18:09:57 +0000 (10:09 -0800)]
Merge tag 'nfs-for-4.0-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client bugfixes from Trond Myklebust:
"Highlights include:
- Fix a regression in the NFSv4 open state recovery code
- Fix a regression in the NFSv4 close code
- Fix regressions and side-effects of the loop-back mounted NFS fixes
in 3.18, that cause the NFS read() syscall to return EBUSY.
- Fix regressions around the readdirplus code and how it interacts
with the VFS lazy unmount changes that went into v3.18.
- Fix issues with out-of-order RPC call replies replacing updated
attributes with stale ones (particularly after a truncate()).
- Fix an underflow checking issue with RPC/RDMA credits
- Fix a number of issues with the NFSv4 delegation return/free code.
- Fix issues around stale NFSv4.1 leases when doing a mount"
* tag 'nfs-for-4.0-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (24 commits)
NFSv4.1: Clear the old state by our client id before establishing a new lease
NFSv4: Fix a race in NFSv4.1 server trunking discovery
NFS: Don't write enable new pages while an invalidation is proceeding
NFS: Fix a regression in the read() syscall
NFSv4: Ensure we skip delegations that are already being returned
NFSv4: Pin the superblock while we're returning the delegation
NFSv4: Ensure we honour NFS_DELEGATION_RETURNING in nfs_inode_set_delegation()
NFSv4: Ensure that we don't reap a delegation that is being returned
NFS: Fix stateid used for NFS v4 closes
NFSv4: Don't call put_rpccred() under the rcu_read_lock()
NFS: Don't require a filehandle to refresh the inode in nfs_prime_dcache()
NFSv3: Use the readdir fileid as the mounted-on-fileid
NFS: Don't invalidate a submounted dentry in nfs_prime_dcache()
NFSv4: Set a barrier in the update_changeattr() helper
NFS: Fix nfs_post_op_update_inode() to set an attribute barrier
NFS: Remove size hack in nfs_inode_attrs_need_update()
NFSv4: Add attribute update barriers to delegreturn and pNFS layoutcommit
NFS: Add attribute update barriers to NFS writebacks
NFS: Set an attribute barrier on all updates
NFS: Add attribute update barriers to nfs_setattr_update_inode()
...
Takashi Iwai [Fri, 6 Mar 2015 13:24:21 +0000 (14:24 +0100)]
Merge tag 'asoc-fix-v4.0-rc2' of git://git./linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v4.0
A few driver specific fixes here, none of them earth shattering in
themselves, that have accumliated since the opening of the merge window.
Hui Wang [Fri, 6 Mar 2015 06:03:57 +0000 (14:03 +0800)]
ALSA: hda - One more Dell macine needs DELL1_MIC_NO_PRESENCE quirk
Cc: <stable@vger.kernel.org>
BugLink: https://bugs.launchpad.net/bugs/1428947
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Dan Carpenter [Thu, 5 Mar 2015 17:49:06 +0000 (20:49 +0300)]
ALSA: opl3: small array underflow
There is a missing lower bound check on "pitchbend" so it means we can
read up to 6 elements before the start of the opl3_note_table[] array.
Thanks to Clemens Ladisch for his help with this patch.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Rafael J. Wysocki [Fri, 6 Mar 2015 00:29:31 +0000 (01:29 +0100)]
Merge branches 'pm-domains' and 'pm-cpufreq'
* pm-domains:
PM / Domains: cleanup: rename gpd -> genpd in debugfs interface
* pm-cpufreq:
cpufreq: ppc: Add missing #include <asm/smp.h>
Rafael J. Wysocki [Fri, 6 Mar 2015 00:29:16 +0000 (01:29 +0100)]
Merge branch 'acpi-video'
* acpi-video:
ACPI / video: Propagate the error code for acpi_video_register
ACPI / video: Load the module even if ACPI is disabled
Rafael J. Wysocki [Fri, 6 Mar 2015 00:29:05 +0000 (01:29 +0100)]
Merge branch 'irq-pm'
* irq-pm:
genirq / PM: describe IRQF_COND_SUSPEND
tty: serial: atmel: rework interrupt and wakeup handling
watchdog: at91sam9: request the irq with IRQF_NO_SUSPEND
clk: at91: implement suspend/resume for the PMC irqchip
rtc: at91rm9200: rework wakeup and interrupt handling
rtc: at91sam9: rework wakeup and interrupt handling
PM / wakeup: export pm_system_wakeup symbol
genirq / PM: Add flag for shared NO_SUSPEND interrupt lines
genirq / PM: better describe IRQF_NO_SUSPEND semantics
Mark Rutland [Wed, 4 Mar 2015 20:00:40 +0000 (20:00 +0000)]
genirq / PM: describe IRQF_COND_SUSPEND
With certain restrictions it is possible for a wakeup device to share
an IRQ with an IRQF_NO_SUSPEND user, and the warnings introduced by
commit
cab303be91dc47942bc25de33dc1140123540800 are spurious. The new
IRQF_COND_SUSPEND flag allows drivers to tell the core when these
restrictions are met, allowing spurious warnings to be silenced.
This patch documents how IRQF_COND_SUSPEND is expected to be used,
updating some of the text now made invalid by its addition.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Boris BREZILLON [Mon, 2 Mar 2015 09:18:18 +0000 (10:18 +0100)]
tty: serial: atmel: rework interrupt and wakeup handling
The IRQ line connected to the DBGU UART is often shared with a timer device
which request the IRQ with IRQF_NO_SUSPEND.
Since the UART driver is correctly disabling IRQs when entering suspend
we can safely request the IRQ with IRQF_COND_SUSPEND so that irq core
will not complain about mixing IRQF_NO_SUSPEND and !IRQF_NO_SUSPEND.
Rework the interrupt handler to wake the system up when an interrupt
happens on the DEBUG_UART while the system is suspended.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Reviewed-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Boris BREZILLON [Mon, 2 Mar 2015 09:18:17 +0000 (10:18 +0100)]
watchdog: at91sam9: request the irq with IRQF_NO_SUSPEND
The watchdog interrupt (only used when activating software watchdog)
shouldn't be suspended when entering suspend mode, because it is shared
with a timer device (which request the line with IRQF_NO_SUSPEND) and once
the watchdog "Mode Register" has been written, it cannot be changed (which
means we cannot disable the watchdog interrupt when entering suspend).
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Reviewed-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Rafael J. Wysocki [Thu, 5 Mar 2015 22:14:51 +0000 (23:14 +0100)]
Merge branch 'suspend-to-idle'
* suspend-to-idle:
cpuidle / sleep: Use broadcast timer for states that stop local timer
cpuidle: Clean up fallback handling in cpuidle_idle_call()
cpuidle / sleep: Do sanity checks in cpuidle_enter_freeze() too
idle / sleep: Avoid excessive disabling and enabling interrupts
Rafael J. Wysocki [Thu, 5 Mar 2015 22:14:40 +0000 (23:14 +0100)]
Merge branch 'acpi-resources'
* acpi-resources:
x86/PCI/ACPI: Relax ACPI resource descriptor checks to work around BIOS bugs
x86/PCI/ACPI: Ignore resources consumed by host bridge itself
PCI: versatile: Update for list_for_each_entry() API change
Rafael J. Wysocki [Mon, 2 Mar 2015 21:26:55 +0000 (22:26 +0100)]
cpuidle / sleep: Use broadcast timer for states that stop local timer
Commit
381063133246 (PM / sleep: Re-implement suspend-to-idle handling)
overlooked the fact that entering some sufficiently deep idle states
by CPUs may cause their local timers to stop and in those cases it
is necessary to switch over to a broadcast timer prior to entering
the idle state. If the cpuidle driver in use does not provide
the new ->enter_freeze callback for any of the idle states, that
problem affects suspend-to-idle too, but it is not taken into account
after the changes made by commit
381063133246.
Fix that by changing the definition of cpuidle_enter_freeze() and
re-arranging of the code in cpuidle_idle_call(), so the former does
not call cpuidle_enter() any more and the fallback case is handled
by cpuidle_idle_call() directly.
Fixes:
381063133246 (PM / sleep: Re-implement suspend-to-idle handling)
Reported-and-tested-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Linus Torvalds [Thu, 5 Mar 2015 19:25:23 +0000 (11:25 -0800)]
Merge branch 'x86-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
"Misc fixes: EFI fixes, an Intel Quark fix, an asm fix and an FPU
handling fix"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/fpu/xsaves: Fix improper uses of __ex_table
x86/intel/quark: Select COMMON_CLK
x86/asm/entry/64: Remove a bogus 'ret_from_fork' optimization
firmware: dmi_scan: Fix dmi_len type
efi/libstub: Fix boundary checking in efi_high_alloc()
firmware: dmi_scan: Fix dmi scan to handle "End of Table" structure
Quentin Casasnovas [Thu, 5 Mar 2015 12:19:22 +0000 (13:19 +0100)]
x86/fpu/xsaves: Fix improper uses of __ex_table
Commit:
f31a9f7c7169 ("x86/xsaves: Use xsaves/xrstors to save and restore xsave area")
introduced alternative instructions for XSAVES/XRSTORS and commit:
adb9d526e982 ("x86/xsaves: Add xsaves and xrstors support for booting time")
added support for the XSAVES/XRSTORS instructions at boot time.
Unfortunately both failed to properly protect them against faulting:
The 'xstate_fault' macro will use the closest label named '1'
backward and that ends up in the .altinstr_replacement section
rather than in .text. This means that the kernel will never find
in the __ex_table the .text address where this instruction might
fault, leading to serious problems if userspace manages to
trigger the fault.
Signed-off-by: Quentin Casasnovas <quentin.casasnovas@oracle.com>
Signed-off-by: Jamie Iles <jamie.iles@oracle.com>
[ Improved the changelog, fixed some whitespace noise. ]
Acked-by: Borislav Petkov <bp@alien8.de>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: <stable@vger.kernel.org>
Cc: Allan Xavier <mr.a.xavier@gmail.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes:
adb9d526e982 ("x86/xsaves: Add xsaves and xrstors support for booting time")
Fixes:
f31a9f7c7169 ("x86/xsaves: Use xsaves/xrstors to save and restore xsave area")
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Andy Shevchenko [Thu, 5 Mar 2015 15:24:04 +0000 (17:24 +0200)]
x86/intel/quark: Select COMMON_CLK
The commit
8bbc2a135b63 ("x86/intel/quark: Add Intel Quark
platform support") introduced a minimal support of Intel Quark
SoC. That allows to use core parts of the SoC. However, the SPI,
I2C, and GPIO drivers can't be selected by kernel configuration
because they depend on COMMON_CLK. The patch adds a COMMON_CLK
selection to the platfrom definition to allow user choose the drivers.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Ong, Boon Leong <boon.leong.ong@intel.com>
Cc: Bryan O'Donoghue <pure.logic@nexus-software.ie>
Cc: Darren Hart <dvhart@linux.intel.com>
Fixes:
8bbc2a135b63 ("x86/intel/quark: Add Intel Quark platform support")
Link: http://lkml.kernel.org/r/1425569044-2867-1-git-send-email-andriy.shevchenko@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Takashi Iwai [Thu, 5 Mar 2015 12:03:28 +0000 (13:03 +0100)]
ALSA: line6: Clamp values correctly
The usages of clamp() macro in sound/usb/line6/playback.c are just
wrong, the low and high values are swapped.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Dan Carpenter [Thu, 5 Mar 2015 11:26:37 +0000 (14:26 +0300)]
ALSA: msnd: add some missing curly braces
There were some curly braces intended here.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Matthias Kaehlcke [Sat, 21 Feb 2015 02:10:08 +0000 (18:10 -0800)]
thermal: Make sysfs attributes of cooling devices default attributes
Default attributes are created when the device is registered. Attributes
created after device registration can lead to race conditions, where user space
(e.g. udev) sees the device but not the attributes.
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Srinivas Pandruvada [Mon, 2 Mar 2015 21:12:07 +0000 (13:12 -0800)]
Thermal/int340x: Fix memleak for aux trip
When thermal zone device register fails or on module exit, the memory
for aux_trip is not freed. This change fixes this issue.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Andy Lutomirski [Thu, 5 Mar 2015 00:09:44 +0000 (01:09 +0100)]
x86/asm/entry/64: Remove a bogus 'ret_from_fork' optimization
'ret_from_fork' checks TIF_IA32 to determine whether 'pt_regs' and
the related state make sense for 'ret_from_sys_call'. This is
entirely the wrong check. TS_COMPAT would make a little more
sense, but there's really no point in keeping this optimization
at all.
This fixes a return to the wrong user CS if we came from int
0x80 in a 64-bit task.
Signed-off-by: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: <stable@vger.kernel.org>
Link: http://lkml.kernel.org/r/4710be56d76ef994ddf59087aad98c000fbab9a4.1424989793.git.luto@amacapital.net
[ Backported from tip:x86/asm. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Jeff Layton [Wed, 4 Mar 2015 22:34:32 +0000 (17:34 -0500)]
locks: fix fasync_struct memory leak in lease upgrade/downgrade handling
Commit
8634b51f6ca2 (locks: convert lease handling to file_lock_context)
introduced a regression in the handling of lease upgrade/downgrades.
In the event that we already have a lease on a file and are going to
either upgrade or downgrade it, we skip doing any list insertion or
deletion and simply re-call lm_setup on the existing lease.
As of commit
8634b51f6ca2 however, we end up calling lm_setup on the
lease that was passed in, instead of on the existing lease. This causes
us to leak the fasync_struct that was allocated in the event that there
was not already an existing one (as it always appeared that there
wasn't one).
Fixes:
8634b51f6ca2 (locks: convert lease handling to file_lock_context)
Reported-and-Tested-by: Daniel Wagner <daniel.wagner@bmw-carit.de>
Signed-off-by: Jeff Layton <jeff.layton@primarydata.com>
Linus Torvalds [Wed, 4 Mar 2015 22:19:48 +0000 (14:19 -0800)]
Merge tag 'ecryptfs-4.0-rc3-fixes' of git://git./linux/kernel/git/tyhicks/ecryptfs
Pull eCryptfs fixes from Tyler Hicks:
"Fixes for proper ioctl handling and an untriggerable buffer overflow
- The eCryptfs ioctl handling functions should only pass known-good
ioctl commands to the lower filesystem
- A static checker found a potential buffer overflow. Upon
inspection, it is not triggerable due to input validation performed
on the mount parameters"
* tag 'ecryptfs-4.0-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs:
eCryptfs: don't pass fs-specific ioctl commands through
eCryptfs: ensure copy to crypt_stat->cipher does not overrun
Boris BREZILLON [Mon, 2 Mar 2015 09:18:16 +0000 (10:18 +0100)]
clk: at91: implement suspend/resume for the PMC irqchip
The irq line used by the PMC block is shared with several peripherals
including the init timer which is registering its handler with
IRQF_NO_SUSPEND.
Implement the appropriate suspend/resume callback for the PMC irqchip,
and inform irq core that PMC irq handler can be safely called while
the system is suspended by setting IRQF_COND_SUSPEND.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Reviewed-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Boris BREZILLON [Mon, 2 Mar 2015 09:18:15 +0000 (10:18 +0100)]
rtc: at91rm9200: rework wakeup and interrupt handling
The IRQ line used by the RTC device is usually shared with the system
timer (PIT) on at91 platforms.
Since timers are registering their handlers with IRQF_NO_SUSPEND, we
should expect being called in suspended state, and properly wake the
system up when this is the case.
Set IRQF_COND_SUSPEND flag when registering the IRQ handler to inform
irq core that it can safely be called while the system is suspended.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Reviewed-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Boris BREZILLON [Mon, 2 Mar 2015 09:18:14 +0000 (10:18 +0100)]
rtc: at91sam9: rework wakeup and interrupt handling
The IRQ line used by the RTC device is usually shared with the system timer
(PIT) on at91 platforms.
Since timers are registering their handlers with IRQF_NO_SUSPEND, we should
expect being called in suspended state, and properly wake the system up
when this is the case.
Set IRQF_COND_SUSPEND flag when registering the IRQ handler to inform
irq core that it can safely be called while the system is suspended.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Reviewed-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Boris BREZILLON [Mon, 2 Mar 2015 09:18:13 +0000 (10:18 +0100)]
PM / wakeup: export pm_system_wakeup symbol
Export pm_system_wakeup function to allow irq handlers to deal with system
wakeup.
This is needed for shared IRQ lines where one of the handler is registered
with IRQF_NO_SUSPEND, while the other ones want to configure it as a wakeup
source.
In this specific case, irq core does not handle the wakeup process and
leave the decision to each irq handler.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Reviewed-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Mark Brown [Wed, 4 Mar 2015 20:42:43 +0000 (20:42 +0000)]
Merge remote-tracking branch 'asoc/fix/sta32x' into asoc-linus
Mark Brown [Wed, 4 Mar 2015 20:42:43 +0000 (20:42 +0000)]
Merge remote-tracking branch 'asoc/fix/simple' into asoc-linus
Mark Brown [Wed, 4 Mar 2015 20:42:43 +0000 (20:42 +0000)]
Merge remote-tracking branch 'asoc/fix/samsung' into asoc-linus
Mark Brown [Wed, 4 Mar 2015 20:42:42 +0000 (20:42 +0000)]
Merge remote-tracking branch 'asoc/fix/rt5677' into asoc-linus
Mark Brown [Wed, 4 Mar 2015 20:42:42 +0000 (20:42 +0000)]
Merge remote-tracking branch 'asoc/fix/rt5670' into asoc-linus
Mark Brown [Wed, 4 Mar 2015 20:42:41 +0000 (20:42 +0000)]
Merge remote-tracking branch 'asoc/fix/rsnd' into asoc-linus
Mark Brown [Wed, 4 Mar 2015 20:42:40 +0000 (20:42 +0000)]
Merge remote-tracking branch 'asoc/fix/omap' into asoc-linus
Mark Brown [Wed, 4 Mar 2015 20:42:40 +0000 (20:42 +0000)]
Merge remote-tracking branch 'asoc/fix/max98357a' into asoc-linus
Mark Brown [Wed, 4 Mar 2015 20:42:39 +0000 (20:42 +0000)]
Merge remote-tracking branch 'asoc/fix/intel' into asoc-linus
Mark Brown [Wed, 4 Mar 2015 20:42:38 +0000 (20:42 +0000)]
Merge remote-tracking branch 'asoc/fix/fsl-ssi' into asoc-linus
Mark Brown [Wed, 4 Mar 2015 20:42:37 +0000 (20:42 +0000)]
Merge remote-tracking branch 'asoc/fix/cirrus' into asoc-linus
Mark Brown [Wed, 4 Mar 2015 20:42:37 +0000 (20:42 +0000)]
Merge remote-tracking branch 'asoc/fix/atmel-build' into asoc-linus
Rafael J. Wysocki [Thu, 26 Feb 2015 23:07:55 +0000 (00:07 +0100)]
genirq / PM: Add flag for shared NO_SUSPEND interrupt lines
It currently is required that all users of NO_SUSPEND interrupt
lines pass the IRQF_NO_SUSPEND flag when requesting the IRQ or the
WARN_ON_ONCE() in irq_pm_install_action() will trigger. That is
done to warn about situations in which unprepared interrupt handlers
may be run unnecessarily for suspended devices and may attempt to
access those devices by mistake. However, it may cause drivers
that have no technical reasons for using IRQF_NO_SUSPEND to set
that flag just because they happen to share the interrupt line
with something like a timer.
Moreover, the generic handling of wakeup interrupts introduced by
commit
9ce7a25849e8 (genirq: Simplify wakeup mechanism) only works
for IRQs without any NO_SUSPEND users, so the drivers of wakeup
devices needing to use shared NO_SUSPEND interrupt lines for
signaling system wakeup generally have to detect wakeup in their
interrupt handlers. Thus if they happen to share an interrupt line
with a NO_SUSPEND user, they also need to request that their
interrupt handlers be run after suspend_device_irqs().
In both cases the reason for using IRQF_NO_SUSPEND is not because
the driver in question has a genuine need to run its interrupt
handler after suspend_device_irqs(), but because it happens to
share the line with some other NO_SUSPEND user. Otherwise, the
driver would do without IRQF_NO_SUSPEND just fine.
To make it possible to specify that condition explicitly, introduce
a new IRQ action handler flag for shared IRQs, IRQF_COND_SUSPEND,
that, when set, will indicate to the IRQ core that the interrupt
user is generally fine with suspending the IRQ, but it also can
tolerate handler invocations after suspend_device_irqs() and, in
particular, it is capable of detecting system wakeup and triggering
it as appropriate from its interrupt handler.
That will allow us to work around a problem with a shared timer
interrupt line on at91 platforms.
Link: http://marc.info/?l=linux-kernel&m=142252777602084&w=2
Link: http://marc.info/?t=142252775300011&r=1&w=2
Link: https://lkml.org/lkml/2014/12/15/552
Reported-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Linus Torvalds [Wed, 4 Mar 2015 17:59:51 +0000 (09:59 -0800)]
Merge tag 'dma-buf-for-4.0-rc3' of git://git./linux/kernel/git/sumits/dma-buf
Pull dma-buf fixes from Sumit Semwal:
"Minor timeout & other fixes on reservation/fence"
* tag 'dma-buf-for-4.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/sumits/dma-buf:
reservation: Remove shadowing local variable 'ret'
dma-buf/fence: don't wait when specified timeout is zero
reservation: wait only with non-zero timeout specified (v3)
Linus Torvalds [Wed, 4 Mar 2015 17:54:10 +0000 (09:54 -0800)]
Merge git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Marcelo Tosatti:
"KVM bug fixes, including a SVM interrupt injection regression fix,
MIPS and ARM bug fixes"
* git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: MIPS: Enable after disabling interrupt
KVM: MIPS: Fix trace event to save PC directly
KVM: SVM: fix interrupt injection (apic->isr_count always 0)
KVM: emulate: fix CMPXCHG8B on 32-bit hosts
KVM: VMX: fix build without CONFIG_SMP
arm/arm64: KVM: Add exit reaons to kvm_exit event tracing
ARM: KVM: Fix size check in __coherent_cache_guest_page
Linus Torvalds [Wed, 4 Mar 2015 17:27:22 +0000 (09:27 -0800)]
Merge tag 'arc-4.0-fixes-1' of git://git./linux/kernel/git/vgupta/arc
Pull ARC fixes from Vineet Gupta:
- Fix for /proc/<pid>/maps "stack" vma annotation
- sched stats not printing correct sleeping task PC
- perf not reporting page faults
* tag 'arc-4.0-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
ARC: Fix thread_saved_pc()
ARC: Fix KSTK_ESP()
ARC: perf: Enable generic software events
ARC: Make arc_unwind_core accessible externally
Peter Ujfalusi [Tue, 3 Mar 2015 11:38:14 +0000 (13:38 +0200)]
ASoC: omap-pcm: Correct dma mask
DMA_BIT_MASK of 64 is not valid dma address mask for OMAPs, it should be
set to 32.
The 64 was introduced by commit (in 2009):
a152ff24b978 ASoC: OMAP: Make DMA 64 aligned
But the dma_mask and coherent_dma_mask can not be used to specify alignment.
Fixes:
a152ff24b978 (ASoC: OMAP: Make DMA 64 aligned)
Reported-by: Grygorii Strashko <Grygorii.Strashko@linaro.org>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
Linus Torvalds [Wed, 4 Mar 2015 17:22:46 +0000 (09:22 -0800)]
Merge tag 'powerpc-4.0-2' of git://git./linux/kernel/git/mpe/linux
Pull powerpc fixes from Michael Ellerman:
- Fix for dynticks.
- Fix for smpboot bug.
- Fix for IOMMU group refcounting.
* tag 'powerpc-4.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux:
powerpc/iommu: Remove IOMMU device references via bus notifier
powerpc/smp: Wait until secondaries are active & online
powerpc: Re-enable dynticks
Chris Wilson [Sun, 1 Mar 2015 10:41:38 +0000 (10:41 +0000)]
ACPI / video: Propagate the error code for acpi_video_register
Report the actual error code from acpi_bus_register_driver(), it may
help future debugging (typically ENODEV as previously reported, but the
unusual cases are where it may help most).
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Aaron Lu <aaron.lu@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Chris Wilson [Sun, 1 Mar 2015 10:41:37 +0000 (10:41 +0000)]
ACPI / video: Load the module even if ACPI is disabled
i915.ko depends upon the acpi/video.ko module and so refuses to load if
ACPI is disabled at runtime if for example the BIOS is broken beyond
repair. acpi/video provides an optional service for i915.ko and so we
should just allow the modules to load, but do no nothing in order to let
the machines boot correctly.
Reported-by: Bill Augur <bill-auger@programmer.net>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: All applicable <stable@vger.kernel.org>
Acked-by: Aaron Lu <aaron.lu@intel.com>
[ rjw: Fixed up the new comment in acpi_video_init() ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Kevin Hilman [Mon, 2 Mar 2015 19:24:28 +0000 (11:24 -0800)]
PM / Domains: cleanup: rename gpd -> genpd in debugfs interface
To keep consisitency with the rest of the file, use 'genpd' as the
name of the 'struct generic_pm_domain' pointer instead of 'gpd'.
This is just a rename, no functional changes.
Signed-off-by: Kevin Hilman <khilman@linaro.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Geert Uytterhoeven [Wed, 4 Mar 2015 11:56:20 +0000 (12:56 +0100)]
cpufreq: ppc: Add missing #include <asm/smp.h>
If CONFIG_SMP=n, <linux/smp.h> does not include <asm/smp.h>, causing:
drivers/cpufreq/ppc-corenet-cpufreq.c: In function 'corenet_cpufreq_cpu_init':
drivers/cpufreq/ppc-corenet-cpufreq.c:173:3: error: implicit declaration of function 'get_hard_smp_processor_id' [-Werror=implicit-function-declaration]
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Jiang Liu [Wed, 4 Mar 2015 08:47:12 +0000 (16:47 +0800)]
x86/PCI/ACPI: Relax ACPI resource descriptor checks to work around BIOS bugs
Some BIOSes report incorrect length for ACPI address space descriptors,
so relax the checks to avoid regressions. This issue has appeared several
times as:
3162b6f0c5e1 ("PNPACPI: truncate _CRS windows with _LEN > _MAX - _MIN + 1")
d558b483d5a7 ("x86/PCI: truncate _CRS windows with _LEN > _MAX - _MIN + 1")
f238b414a74a ("PNPACPI: compute Address Space length rather than using _LEN")
48728e077480 ("x86/PCI: compute Address Space length rather than using _LEN")
Please refer to https://bugzilla.kernel.org/show_bug.cgi?id=94221
for more details and example malformed ACPI resource descriptors.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=94221
Fixes:
593669c2ac0f (x86/PCI/ACPI: Use common ACPI resource interfaces ...)
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Tested-by: Dave Airlie <airlied@redhat.com>
Tested-by: Prakash Punnoor <prakash@punnoor.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Jiang Liu [Wed, 4 Mar 2015 08:47:11 +0000 (16:47 +0800)]
x86/PCI/ACPI: Ignore resources consumed by host bridge itself
When parsing resources for PCI host bridge, we should ignore resources
consumed by host bridge itself and only report window resources available
to child PCI busses.
Fixes:
593669c2ac0f (x86/PCI/ACPI: Use common ACPI resource interfaces ...)
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Trond Myklebust [Wed, 4 Mar 2015 01:35:31 +0000 (20:35 -0500)]
NFSv4.1: Clear the old state by our client id before establishing a new lease
If the call to exchange-id returns with the EXCHGID4_FLAG_CONFIRMED_R flag
set, then that means our lease was established by a previous mount instance.
Ensure that we detect this situation, and that we clear the state held by
that mount.
Reported-by: Jorge Mora <Jorge.Mora@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Nishanth Aravamudan [Sat, 21 Feb 2015 19:00:50 +0000 (11:00 -0800)]
powerpc/iommu: Remove IOMMU device references via bus notifier
After
d905c5df9aef ("PPC: POWERNV: move iommu_add_device earlier"), the
refcnt on the kobject backing the IOMMU group for a PCI device is
elevated by each call to pci_dma_dev_setup_pSeriesLP() (via
set_iommu_table_base_and_group). When we go to dlpar a multi-function
PCI device out:
iommu_reconfig_notifier ->
iommu_free_table ->
iommu_group_put
BUG_ON(tbl->it_group)
We trip this BUG_ON, because there are still references on the table, so
it is not freed. Fix this by moving the powernv bus notifier to common
code and calling it for both powernv and pseries.
Fixes:
d905c5df9aef ("PPC: POWERNV: move iommu_add_device earlier")
Signed-off-by: Nishanth Aravamudan <nacc@linux.vnet.ibm.com>
Tested-by: Nishanth Aravamudan <nacc@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Michael Ellerman [Tue, 24 Feb 2015 06:58:02 +0000 (17:58 +1100)]
powerpc/smp: Wait until secondaries are active & online
Anton has a busy ppc64le KVM box where guests sometimes hit the infamous
"kernel BUG at kernel/smpboot.c:134!" issue during boot:
BUG_ON(td->cpu != smp_processor_id());
Basically a per CPU hotplug thread scheduled on the wrong CPU. The oops
output confirms it:
CPU: 0
Comm: watchdog/130
The problem is that we aren't ensuring the CPU active bit is set for the
secondary before allowing the master to continue on. The master unparks
the secondary CPU's kthreads and the scheduler looks for a CPU to run
on. It calls select_task_rq() and realises the suggested CPU is not in
the cpus_allowed mask. It then ends up in select_fallback_rq(), and
since the active bit isnt't set we choose some other CPU to run on.
This seems to have been introduced by
6acbfb96976f "sched: Fix hotplug
vs. set_cpus_allowed_ptr()", which changed from setting active before
online to setting active after online. However that was in turn fixing a
bug where other code assumed an active CPU was also online, so we can't
just revert that fix.
The simplest fix is just to spin waiting for both active & online to be
set. We already have a barrier prior to set_cpu_online() (which also
sets active), to ensure all other setup is completed before online &
active are set.
Fixes:
6acbfb96976f ("sched: Fix hotplug vs. set_cpus_allowed_ptr()")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Trond Myklebust [Wed, 4 Mar 2015 01:28:59 +0000 (20:28 -0500)]
NFSv4: Fix a race in NFSv4.1 server trunking discovery
We do not want to allow a race with another NFS mount to cause
nfs41_walk_client_list() to establish a lease on our nfs_client before
we're done checking for trunking.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Linus Torvalds [Tue, 3 Mar 2015 23:52:50 +0000 (15:52 -0800)]
Merge branch 'for-4.0' of git://linux-nfs.org/~bfields/linux
Pull nfsd fixes from Bruce Fields:
"Three miscellaneous bugfixes, most importantly the clp->cl_revoked
bug, which we've seen several reports of people hitting"
* 'for-4.0' of git://linux-nfs.org/~bfields/linux:
sunrpc: integer underflow in rsc_parse()
nfsd: fix clp->cl_revoked list deletion causing softlock in nfsd
svcrpc: fix memory leak in gssp_accept_sec_context_upcall
Linus Torvalds [Tue, 3 Mar 2015 23:30:07 +0000 (15:30 -0800)]
Merge git://git./linux/kernel/git/davem/net
Pull networking fixes from David Miller:
1) If an IPVS tunnel is created with a mixed-family destination
address, it cannot be removed. Fix from Alexey Andriyanov.
2) Fix module refcount underflow in netfilter's nft_compat, from Pablo
Neira Ayuso.
3) Generic statistics infrastructure can reference variables sitting on
a released function stack, therefore use dynamic allocation always.
Fix from Ignacy Gawędzki.
4) skb_copy_bits() return value test is inverted in ip_check_defrag().
5) Fix network namespace exit in openvswitch, we have to release all of
the per-net vports. From Pravin B Shelar.
6) Fix signedness bug in CAIF's cfpkt_iterate(), from Dan Carpenter.
7) Fix rhashtable grow/shrink behavior, only expand during inserts and
shrink during deletes. From Daniel Borkmann.
8) Netdevice names with semicolons should never be allowed, because
they serve as a separator. From Matthew Thode.
9) Use {,__}set_current_state() where appropriate, from Fabian
Frederick.
10) Revert byte queue limits support in r8169 driver, it's causing
regressions we can't figure out.
11) tcp_should_expand_sndbuf() erroneously uses tp->packets_out to
measure packets in flight, properly use tcp_packets_in_flight()
instead. From Neal Cardwell.
12) Fix accidental removal of support for bluetooth in CSR based Intel
wireless cards. From Marcel Holtmann.
13) We accidently added a behavioral change between native and compat
tasks, wrt testing the MSG_CMSG_COMPAT bit. Just ignore it if the
user happened to set it in a native binary as that was always the
behavior we had. From Catalin Marinas.
14) Check genlmsg_unicast() return valud in hwsim netlink tx frame
handling, from Bob Copeland.
15) Fix stale ->radar_required setting in mac80211 that can prevent
starting new scans, from Eliad Peller.
16) Fix memory leak in nl80211 monitor, from Johannes Berg.
17) Fix race in TX index handling in xen-netback, from David Vrabel.
18) Don't enable interrupts in amx-xgbe driver until all software et al.
state is ready for the interrupt handler to run. From Thomas
Lendacky.
19) Add missing netlink_ns_capable() checks to rtnl_newlink(), from Eric
W Biederman.
20) The amount of header space needed in macvtap was not calculated
properly, fix it otherwise we splat past the beginning of the
packet. From Eric Dumazet.
21) Fix bcmgenet TCP TX perf regression, from Jaedon Shin.
22) Don't raw initialize or mod timers, use setup_timer() and
mod_timer() instead. From Vaishali Thakkar.
23) Fix software maintained statistics in bcmgenet and systemport
drivers, from Florian Fainelli.
24) DMA descriptor updates in sh_eth need proper memory barriers, from
Ben Hutchings.
25) Don't do UDP Fragmentation Offload on RAW sockets, from Michal
Kubecek.
26) Openvswitch's non-masked set actions aren't constructed properly
into netlink messages, fix from Joe Stringer.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (116 commits)
openvswitch: Fix serialization of non-masked set actions.
gianfar: Reduce logging noise seen due to phy polling if link is down
ibmveth: Add function to enable live MAC address changes
net: bridge: add compile-time assert for cb struct size
udp: only allow UFO for packets from SOCK_DGRAM sockets
sh_eth: Really fix padding of short frames on TX
Revert "sh_eth: Enable Rx descriptor word 0 shift for r8a7790"
sh_eth: Fix RX recovery on R-Car in case of RX ring underrun
sh_eth: Ensure proper ordering of descriptor active bit write/read
net/mlx4_en: Disbale GRO for incoming loopback/selftest packets
net/mlx4_core: Fix wrong mask and error flow for the update-qp command
net: systemport: fix software maintained statistics
net: bcmgenet: fix software maintained statistics
rxrpc: don't multiply with HZ twice
rxrpc: terminate retrans loop when sending of skb fails
net/hsr: Fix NULL pointer dereference and refcnt bugs when deleting a HSR interface.
net: pasemi: Use setup_timer and mod_timer
net: stmmac: Use setup_timer and mod_timer
net: 8390: axnet_cs: Use setup_timer and mod_timer
net: 8390: pcnet_cs: Use setup_timer and mod_timer
...
Joe Stringer [Tue, 3 Mar 2015 02:49:56 +0000 (18:49 -0800)]
openvswitch: Fix serialization of non-masked set actions.
Set actions consist of a regular OVS_KEY_ATTR_* attribute nested inside
of a OVS_ACTION_ATTR_SET action attribute. When converting masked actions
back to regular set actions, the inner attribute length was not changed,
ie, double the length being serialized. This patch fixes the bug.
Fixes:
83d2b9b ("net: openvswitch: Support masked set actions.")
Signed-off-by: Joe Stringer <joestringer@nicira.com>
Acked-by: Jarno Rajahalme <jrajahalme@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Guenter Roeck [Mon, 2 Mar 2015 20:03:27 +0000 (12:03 -0800)]
gianfar: Reduce logging noise seen due to phy polling if link is down
Commit
6ce29b0e2a04 ("gianfar: Avoid unnecessary reg accesses in adjust_link()")
eliminates unnecessary calls to adjust_link for phy devices which don't support
interrupts and need polling. As part of that work, the 'new_state' local flag,
which was used to reduce logging noise on the console, was eliminated.
Unfortunately, that means that a 'Link is Down' log message will now be
issued continuously if a link is configured as UP, the link state is down,
and the associated phy requires polling. This occurs because priv->oldduplex
is -1 in this case, which always differs from phydev->duplex. In addition,
phydev->speed may also differ from priv->oldspeed. gfar_update_link_state()
is therefore called each time a phy is polled, even if the link state did not
change.
Cc: Claudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Thomas Falcon [Mon, 2 Mar 2015 17:56:12 +0000 (11:56 -0600)]
ibmveth: Add function to enable live MAC address changes
Add a function that will enable changing the MAC address
of an ibmveth interface while it is still running.
Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Reviewed-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
Florian Westphal [Tue, 3 Mar 2015 12:53:31 +0000 (13:53 +0100)]
net: bridge: add compile-time assert for cb struct size
make build fail if structure no longer fits into ->cb storage.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Trond Myklebust [Tue, 3 Mar 2015 05:06:35 +0000 (00:06 -0500)]
NFS: Don't write enable new pages while an invalidation is proceeding
nfs_vm_page_mkwrite() should wait until the page cache invalidation
is finished. This is the second patch in a 2 patch series to deprecate
the NFS client's reliance on nfs_release_page() in the context of
nfs_invalidate_mapping().
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Trond Myklebust [Tue, 3 Mar 2015 04:32:08 +0000 (23:32 -0500)]
NFS: Fix a regression in the read() syscall
When invalidating the page cache for a regular file, we want to first
sync all dirty data to disk and then call invalidate_inode_pages2().
The latter relies on nfs_launder_page() and nfs_release_page() to deal
respectively with dirty pages, and unstable written pages.
When commit
9590544694bec ("NFS: avoid deadlocks with loop-back mounted
NFS filesystems.") changed the behaviour of nfs_release_page(), then it
made it possible for invalidate_inode_pages2() to fail with an EBUSY.
Unfortunately, that error is then propagated back to read().
Let's therefore work around the problem for now by protecting the call
to sync the data and invalidate_inode_pages2() so that they are atomic
w.r.t. the addition of new writes.
Later on, we can revisit whether or not we still need nfs_launder_page()
and nfs_release_page().
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Linus Torvalds [Tue, 3 Mar 2015 17:04:59 +0000 (09:04 -0800)]
Linux 4.0-rc2
Daniel Vetter [Tue, 3 Mar 2015 16:31:21 +0000 (17:31 +0100)]
drm/i915: Fix modeset state confusion in the load detect code
This is a tricky story of the new atomic state handling and the legacy
code fighting over each another. The bug at hand is an underrun of the
framebuffer reference with subsequent hilarity caused by the load
detect code. Which is peculiar since the the exact same code works
fine as the implementation of the legacy setcrtc ioctl.
Let's look at the ingredients:
- Currently our code is a crazy mix of legacy modeset interfaces to
set the parameters and half-baked atomic state tracking underneath.
While this transition is going we're using the transitional plane
helpers to update the atomic side (drm_plane_helper_disable/update
and friends), i.e. plane->state->fb. Since the state structure owns
the fb those functions take care of that themselves.
The legacy state (specifically crtc->primary->fb) is still managed
by the old code (and mostly by the drm core), with the fb reference
counting done by callers (core drm for the ioctl or the i915 load
detect code). The relevant commit is
commit
ea2c67bb4affa84080c616920f3899f123786e56
Author: Matt Roper <matthew.d.roper@intel.com>
Date: Tue Dec 23 10:41:52 2014 -0800
drm/i915: Move to atomic plane helpers (v9)
- drm_plane_helper_disable has special code to handle multiple calls
in a row - it checks plane->crtc == NULL and bails out. This is to
match the proper atomic implementation which needs the crtc to get
at the implied locking context atomic updates always need. See
commit
acf24a395c5a9290189b080383564437101d411c
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Tue Jul 29 15:33:05 2014 +0200
drm/plane-helper: transitional atomic plane helpers
- The universal plane code split out the implicit primary plane from
the CRTC into it's own full-blown drm_plane object. As part of that
the setcrtc ioctl (which updated both the crtc mode and primary
plane) learned to set crtc->primary->crtc on modeset to make sure
the plane->crtc assignments statate up to date in
commit
e13161af80c185ecd8dc4641d0f5df58f9e3e0af
Author: Matt Roper <matthew.d.roper@intel.com>
Date: Tue Apr 1 15:22:38 2014 -0700
drm: Add drm_crtc_init_with_planes() (v2)
Unfortunately we've forgotten to update the load detect code. Which
wasn't a problem since the load detect modeset is temporary and
always undone before we drop the locks.
- Finally there is a organically grown history (i.e. don't ask) around
who sets the legacy plane->fb for the various driver entry points.
Originally updating that was the drivers duty, but for almost all
places we've moved that (plus updating the refcounts) into the core.
Again the exception is the load detect code.
Taking all together the following happens:
- The load detect code doesn't set crtc->primary->crtc. This is only
really an issue on crtcs never before used or when userspace
explicitly disabled the primary plane.
- The plane helper glue code short-circuits because of that and leaves
a non-NULL fb behind in plane->state->fb and plane->fb. The state
fb isn't a real problem (it's properly refcounted on its own), it's
just the canary.
- Load detect code drops the reference for that fb, but doesn't set
plane->fb = NULL. This is ok since it's still living in that old
world where drivers had to clear the pointer but the core/callers
handled the refcounting.
- On the next modeset the drm core notices plane->fb and takes care of
refcounting it properly by doing another unref. This drops the
refcount to zero, leaving state->plane now pointing at freed memory.
- intel_plane_duplicate_state still assume it owns a reference to that
very state->fb and bad things start to happen.
Fix this all by applying the same duct-tape as for the legacy setcrtc
ioctl code and set crtc->primary->crtc properly.
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Paul Bolle <pebolle@tiscali.nl>
Cc: Rob Clark <robdclark@gmail.com>
Cc: Paulo Zanoni <przanoni@gmail.com>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: Matt Roper <matthew.d.roper@intel.com>
Reported-and-tested-by: Linus Torvalds <torvalds@linux-foundation.org>
Reported-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Vishal Thanki [Tue, 3 Mar 2015 13:29:00 +0000 (18:59 +0530)]
ASoC: simple-card: Add a NULL pointer check in asoc_simple_card_dai_link_of
Make sure devm_kzalloc() succeeds.
Signed-off-by: Vishal Thanki <vishalthanki@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Tyler Hicks [Wed, 25 Feb 2015 01:28:10 +0000 (19:28 -0600)]
eCryptfs: don't pass fs-specific ioctl commands through
eCryptfs can't be aware of what to expect when after passing an
arbitrary ioctl command through to the lower filesystem. The ioctl
command may trigger an action in the lower filesystem that is
incompatible with eCryptfs.
One specific example is when one attempts to use the Btrfs clone
ioctl command when the source file is in the Btrfs filesystem that
eCryptfs is mounted on top of and the destination fd is from a new file
created in the eCryptfs mount. The ioctl syscall incorrectly returns
success because the command is passed down to Btrfs which thinks that it
was able to do the clone operation. However, the result is an empty
eCryptfs file.
This patch allows the trim, {g,s}etflags, and {g,s}etversion ioctl
commands through and then copies up the inode metadata from the lower
inode to the eCryptfs inode to catch any changes made to the lower
inode's metadata. Those five ioctl commands are mostly common across all
filesystems but the whitelist may need to be further pruned in the
future.
https://bugzilla.kernel.org/show_bug.cgi?id=93691
https://launchpad.net/bugs/
1305335
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Cc: Rocko <rockorequin@hotmail.com>
Cc: Colin Ian King <colin.king@canonical.com>
Cc: stable@vger.kernel.org # v2.6.36+: c43f7b8 eCryptfs: Handle ioctl calls with unlocked and compat functions
Michal Kubeček [Mon, 2 Mar 2015 17:27:11 +0000 (18:27 +0100)]
udp: only allow UFO for packets from SOCK_DGRAM sockets
If an over-MTU UDP datagram is sent through a SOCK_RAW socket to a
UFO-capable device, ip_ufo_append_data() sets skb->ip_summed to
CHECKSUM_PARTIAL unconditionally as all GSO code assumes transport layer
checksum is to be computed on segmentation. However, in this case,
skb->csum_start and skb->csum_offset are never set as raw socket
transmit path bypasses udp_send_skb() where they are usually set. As a
result, driver may access invalid memory when trying to calculate the
checksum and store the result (as observed in virtio_net driver).
Moreover, the very idea of modifying the userspace provided UDP header
is IMHO against raw socket semantics (I wasn't able to find a document
clearly stating this or the opposite, though). And while allowing
CHECKSUM_NONE in the UFO case would be more efficient, it would be a bit
too intrusive change just to handle a corner case like this. Therefore
disallowing UFO for packets from SOCK_DGRAM seems to be the best option.
Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Tue, 3 Mar 2015 02:31:00 +0000 (21:31 -0500)]
Merge branch 'sh_eth'
Ben Hutchings says:
====================
Fixes for sh_eth #4 v2
I'm continuing review and testing of Ethernet support on the R-Car H2
chip, with help from a colleague. This series fixes a few more issues.
These are not tested on any of the other supported chips.
v2: Add note that the revert is not a pure revert.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Ben Hutchings [Tue, 3 Mar 2015 00:53:08 +0000 (00:53 +0000)]
sh_eth: Really fix padding of short frames on TX
My previous fix to clear padding of short frames used skb->len as the
DMA length, assuming that skb_padto() extended skb->len to include the
padding. That isn't the case; we need to use skb_put_padto() instead.
(This wasn't immediately obvious because software padding isn't
actually needed on the R-Car H2. We could make it conditional on
which chip is being driven, but it's probably not worth the effort.)
Reported-by: "Violeta Menéndez González" <violeta.menendez@codethink.co.uk>
Fixes:
612a17a54b50 ("sh_eth: Fix padding of short frames on TX")
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ben Hutchings [Tue, 3 Mar 2015 00:52:39 +0000 (00:52 +0000)]
Revert "sh_eth: Enable Rx descriptor word 0 shift for r8a7790"
This reverts commit
fd9af07c3404ac9ecbd0d859563360f51ce1ffde.
The hardware manual states that the frame error and multicast bits are
copied to bits 9:0 of RD0, not bits 25:16. I've tested that this is
true for RFS1 (CRC error), RFS3 (frame too short), RFS4 (frame too
long) and RFS8 (multicast).
Also adjust a comment to agree with this.
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ben Hutchings [Tue, 3 Mar 2015 00:52:08 +0000 (00:52 +0000)]
sh_eth: Fix RX recovery on R-Car in case of RX ring underrun
In case of RX ring underrun (RDE), we attempt to reset the software
descriptor pointers (dirty_rx and cur_rx) to match where the hardware
will read the next descriptor from, as that might not be the first
dirty descriptor. This relies on reading RDFAR, but that register
doesn't exist on all supported chips - specifically, not on the R-Car
chips. This will result in unpredictable behaviour on those chips
after an RDE.
Make this pointer reset conditional and assume that it isn't needed on
the R-Car chips. This fix also assumes that RDFAR is never exposed at
offset 0 in the memory map - this is currently true, and a subsequent
commit will fix the ambiguity between offset 0 and no-offset in the
register offset maps.
Fixes:
79fba9f51755 ("net: sh_eth: fix the rxdesc pointer when rx ...")
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ben Hutchings [Tue, 3 Mar 2015 00:52:00 +0000 (00:52 +0000)]
sh_eth: Ensure proper ordering of descriptor active bit write/read
When submitting a DMA descriptor, the active bit must be written last.
When reading a completed DMA descriptor, the active bit must be read
first.
Add memory barriers to ensure that this ordering is maintained.
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eduardo Valentin [Tue, 3 Mar 2015 02:15:34 +0000 (22:15 -0400)]
Merge branch 'fixes' of github.com:lmajewski/linux-samsung-thermal into work-fixes
Pull samsung thermal fixes from Lukasz Majewski:
"Changes:
- Exynos7 power down detection mode fix
- Fix for cpufreq cooling device regression
- Updating MAINTAINER's entry for Samsung Exynos Thermal"
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Peter Zijlstra [Sat, 28 Feb 2015 21:24:48 +0000 (22:24 +0100)]
livepatch: fix RCU usage in klp_find_external_symbol()
While one must hold RCU-sched (aka. preempt_disable) for find_symbol()
one must equally hold it over the use of the object returned.
The moment you release the RCU-sched read lock, the object can be dead
and gone.
[jkosina@suse.cz: change subject line to be aligned with other patches]
Cc: Seth Jennings <sjenning@redhat.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Miroslav Benes <mbenes@suse.cz>
Cc: Petr Mladek <pmladek@suse.cz>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Trond Myklebust [Thu, 26 Feb 2015 19:05:05 +0000 (14:05 -0500)]
NFSv4: Ensure we skip delegations that are already being returned
In nfs_client_return_marked_delegations() and nfs_delegation_reap_unclaimed()
we want to optimise the loop traversal by skipping delegations that are
already in the process of being returned.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Trond Myklebust [Thu, 26 Feb 2015 14:57:34 +0000 (09:57 -0500)]
NFSv4: Pin the superblock while we're returning the delegation
This patch ensures that the superblock doesn't go ahead and disappear
underneath us while the state manager thread is returning delegations.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Trond Myklebust [Fri, 27 Feb 2015 19:25:50 +0000 (14:25 -0500)]
NFSv4: Ensure we honour NFS_DELEGATION_RETURNING in nfs_inode_set_delegation()
Ensure that nfs_inode_set_delegation() doesn't inadvertently detach a
delegation that is already in the process of being returned.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Trond Myklebust [Thu, 26 Feb 2015 18:59:38 +0000 (13:59 -0500)]
NFSv4: Ensure that we don't reap a delegation that is being returned
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Anna Schumaker [Mon, 2 Mar 2015 21:46:09 +0000 (16:46 -0500)]
NFS: Fix stateid used for NFS v4 closes
After
566fcec60 the client uses the "current stateid" from the
nfs4_state structure to close a file. This could potentially contain a
delegation stateid, which is disallowed by the protocol and causes
servers to return NFS4ERR_BAD_STATEID. This patch restores the
(correct) behavior of sending the open stateid to close a file.
Reported-by: Olga Kornievskaia <kolga@netapp.com>
Fixes:
566fcec60 (NFSv4: Fix an atomicity problem in CLOSE)
Signed-off-by: Anna Schumaker <Anna.Schumaker@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Tapasweni Pathak [Sun, 22 Feb 2015 16:18:21 +0000 (21:48 +0530)]
KVM: MIPS: Enable after disabling interrupt
Enable disabled interrupt, on unsuccessful operation.
Found by Coccinelle.
Signed-off-by: Tapasweni Pathak <tapaswenipathak@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Reviewed-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
James Hogan [Tue, 24 Feb 2015 11:46:20 +0000 (11:46 +0000)]
KVM: MIPS: Fix trace event to save PC directly
Currently the guest exit trace event saves the VCPU pointer to the
structure, and the guest PC is retrieved by dereferencing it when the
event is printed rather than directly from the trace record. This isn't
safe as the printing may occur long afterwards, after the PC has changed
and potentially after the VCPU has been freed. Usually this results in
the same (wrong) PC being printed for multiple trace events. It also
isn't portable as userland has no way to access the VCPU data structure
when interpreting the trace record itself.
Lets save the actual PC in the structure so that the correct value is
accessible later.
Fixes:
669e846e6c4e ("KVM/MIPS32: MIPS arch specific APIs for KVM")
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Gleb Natapov <gleb@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: linux-mips@linux-mips.org
Cc: kvm@vger.kernel.org
Cc: <stable@vger.kernel.org> # v3.10+
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Linus Torvalds [Mon, 2 Mar 2015 22:13:39 +0000 (14:13 -0800)]
Merge tag 'gpio-v4.0-2' of git://git./linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"Two GPIO fixes:
- Fix a translation problem in of_get_named_gpiod_flags()
- Fix a long standing container_of() mistake in the TPS65912 driver"
* tag 'gpio-v4.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: tps65912: fix wrong container_of arguments
gpiolib: of: allow of_gpiochip_find_and_xlate to find more than one chip per node
Linus Torvalds [Mon, 2 Mar 2015 22:08:10 +0000 (14:08 -0800)]
Merge branch 'fixes-for-4.0-rc2' of git://git./linux/kernel/git/evalenti/linux-soc-thermal
Pull thermal management fixes from Eduardo Valentin:
"Specifics:
- Several fixes in tmon tool.
- Fixes in intel int340x for _ART and _TRT tables.
- Add id for Avoton SoC into powerclamp driver.
- Fixes in RCAR thermal driver to remove race conditions and fix fail
path
- Fixes in TI thermal driver: removal of unnecessary code and build
fix if !CONFIG_PM_SLEEP
- Cleanups in exynos thermal driver
- Add stubs for include/linux/thermal.h. Now drivers using thermal
calls but that also work without CONFIG_THERMAL will be able to
compile for systems that don't care about thermal.
Note: I am sending this pull on Rui's behalf while he fixes issues in
his Linux box"
* 'fixes-for-4.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal:
thermal: int340x_thermal: Ignore missing _ART, _TRT tables
thermal/intel_powerclamp: add id for Avoton SoC
tools/thermal: tmon: silence 'set but not used' warnings
tools/thermal: tmon: use pkg-config to determine library dependencies
tools/thermal: tmon: support cross-compiling
tools/thermal: tmon: add .gitignore
tools/thermal: tmon: fixup tui windowing calculations
tools/thermal: tmon: tui: don't hard-code dialog window size assumptions
tools/thermal: tmon: add min/max macros
tools/thermal: tmon: add --target-temp parameter
thermal: exynos: Clean-up code to use oneline entry for exynos compatible table
thermal: rcar: Make error and remove paths symmetrical with init
thermal: rcar: Fix race condition between init and interrupt
thermal: Introduce dummy functions when thermal is not defined
ti-soc-thermal: Delete an unnecessary check before the function call "cpufreq_cooling_unregister"
thermal: ti-soc-thermal: bandgap: Fix build warning if !CONFIG_PM_SLEEP
Radim Krčmář [Fri, 27 Feb 2015 15:32:38 +0000 (16:32 +0100)]
KVM: SVM: fix interrupt injection (apic->isr_count always 0)
In commit
b4eef9b36db4, we started to use hwapic_isr_update() != NULL
instead of kvm_apic_vid_enabled(vcpu->kvm). This didn't work because
SVM had it defined and "apicv" path in apic_{set,clear}_isr() does not
change apic->isr_count, because it should always be 1. The initial
value of apic->isr_count was based on kvm_apic_vid_enabled(vcpu->kvm),
which is always 0 for SVM, so KVM could have injected interrupts when it
shouldn't.
Fix it by implicitly setting SVM's hwapic_isr_update to NULL and make the
initial isr_count depend on hwapic_isr_update() for good measure.
Fixes:
b4eef9b36db4 ("kvm: x86: vmx: NULL out hwapic_isr_update() in case of !enable_apicv")
Reported-and-tested-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Linus Torvalds [Mon, 2 Mar 2015 22:03:27 +0000 (14:03 -0800)]
Merge tag 'md/4.0-fixes' of git://neil.brown.name/md
Pull md fixes from Neil Brown:
"Three md fixes:
- fix a read-balance problem that was reported 2 years ago, but that
I never noticed the report :-(
- fix for rare RAID6 problem causing incorrect bitmap updates when
two devices fail.
- add __ATTR_PREALLOC annotation now that it is possible"
* tag 'md/4.0-fixes' of git://neil.brown.name/md:
md: mark some attributes as pre-alloc
raid5: check faulty flag for array status during recovery.
md/raid1: fix read balance when a drive is write-mostly.
Linus Torvalds [Mon, 2 Mar 2015 22:02:17 +0000 (14:02 -0800)]
Merge tag 'metag-fixes-v4.0-1' of git://git./linux/kernel/git/jhogan/metag
Pull arch/metag fix from James Hogan:
"This is just a single patch to fix the KSTK_EIP() and KSTK_ESP()
macros for metag which have always been erronously returning the PC
and stack pointer of the task's kernel context rather than from its
user context saved at entry from userland into the kernel, which
affects the contents of /proc/<pid>/maps and /proc/<pid>/stat"
* tag 'metag-fixes-v4.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag:
metag: Fix KSTK_EIP() and KSTK_ESP() macros
Rafael J. Wysocki [Mon, 2 Mar 2015 21:25:37 +0000 (22:25 +0100)]
cpuidle: Clean up fallback handling in cpuidle_idle_call()
Move the fallback code path in cpuidle_idle_call() to the end of the
function to avoid jumping to a label in an if () branch.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
David S. Miller [Mon, 2 Mar 2015 20:27:23 +0000 (15:27 -0500)]
Merge branch 'mlx4'
Or Gerlitz says:
====================
Mellanox driver fixes
Two small fixes, please apply to net.
Both patches should go to 3.19.y too.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Ido Shamay [Mon, 2 Mar 2015 16:22:16 +0000 (18:22 +0200)]
net/mlx4_en: Disbale GRO for incoming loopback/selftest packets
Packets which are sent from the selftest (ethtool) flow,
should not be passed to GRO stack but rather dropped by
the driver after validation. To achieve that, we disable
GRO for the duration of the selftest.
Fixes:
dd65beac48a5 ("net/mlx4_en: Extend usage of napi_gro_frags")
Reported-by: Carol Soto <clsoto@linux.vnet.ibm.com>
Signed-off-by: Ido Shamay <idos@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Or Gerlitz [Mon, 2 Mar 2015 16:22:15 +0000 (18:22 +0200)]
net/mlx4_core: Fix wrong mask and error flow for the update-qp command
The bit mask for currently supported driver features (MLX4_UPDATE_QP_SUPPORTED_ATTRS)
of the update-qp command was defined twice (using enum value and pre-processor
define directive) and wrong.
The return value of the call to mlx4_update_qp() from within the SRIOV
resource-tracker was wrongly voided down.
Fix both issues.
issue: none
Fixes:
09e05c3f78e9 ('net/mlx4: Set vlan stripping policy by the right command')
Fixes:
ce8d9e0d6746 ('net/mlx4_core: Add UPDATE_QP SRIOV wrapper support')
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Alexandre Belloni [Tue, 6 Jan 2015 11:14:32 +0000 (12:14 +0100)]
ASoC: sam9g20_wm8731: drop machine_is_xxx
Atmel based boards can now only be used with device tree. Drop non DT
initialization.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Ingo Molnar [Mon, 2 Mar 2015 13:18:57 +0000 (14:18 +0100)]
Merge tag 'efi-urgent' of git://git./linux/kernel/git/mfleming/efi into x86/urgent
Pull EFI fixes from Matt Fleming:
" - Fix regression in DMI sysfs code for handling "End of Table" entry
and a type bug that could lead to integer overflow. (Ivan Khoronzhuk)
- Fix boundary checking in efi_high_alloc() which can lead to memory
corruption in the EFI boot stubs. (Yinghai Lu)"
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Lukasz Majewski [Tue, 24 Feb 2015 15:31:28 +0000 (16:31 +0100)]
MAINTAINERS: Add entry for SAMSUNG THERMAL DRIVER
This patch adds entry for SAMSUNG THERMAL DRIVER in the MAINTAINERS file.
It has been agreed, that pull request are going to be sent to Eduardo
Valentin.
Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Acked-by: Eduardo Valentin <edubezval@gmail.com>
Lukasz Majewski [Thu, 5 Feb 2015 15:45:06 +0000 (16:45 +0100)]
cpufreq: exynos: Use simple approach to asses if cpu cooling can be used
Commit:
e725d26c4857e5e41975b5e74e64ce6ab09a7121 provided possibility to
use device tree to asses if cpu can be used as cooling device. Since the
code was somewhat awkward, simpler approach has been proposed.
Test HW: Exynos 4412 - Odroid U3.
Suggested-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>