Here is a bunch of small fixes that have been collected since the
previous pull request. In addition to various misc fixes, the
following are included:
- HD-audio quirks for Dell, HP, Chromebook, and ALC28x codecs
- HD-audio AMD HDMI regression fix
- Continued PM support/fixes for ice1712 driver
- Multiplatform fixes for ASoC samsung drivers
- Addition of device id tables to a few ASoC drivers
- Bit clock polarity config and error flag fixes in ASoC fsl_sai
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Merge tag 'sound-fix-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Here is a bunch of small fixes that have been collected since the
previous pull request. In addition to various misc fixes, the
following are included:
- HD-audio quirks for Dell, HP, Chromebook, and ALC28x codecs
- HD-audio AMD HDMI regression fix
- Continued PM support/fixes for ice1712 driver
- Multiplatform fixes for ASoC samsung drivers
- Addition of device id tables to a few ASoC drivers
- Bit clock polarity config and error flag fixes in ASoC fsl_sai"
* tag 'sound-fix-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (32 commits)
ALSA: usb-audio: Suppress repetitive debug messages from retire_playback_urb()
ALSA: hda - Make full_reset boolean
ALSA: hda - add headset mic detect quirk for a Dell laptop
sound: dmasound: use module_platform_driver_probe()
ALSA: au1x00: use module_platform_driver()
ALSA: hda - Use runtime helper to check active state.
ALSA: ice1712: Fix boundary checks in PCM pointer ops
ASoC: davinci-mcasp: Fix bit clock polarity settings
ASoC: samsung: Fix build on multiplatform
ASoC: fsl_sai: Fix Bit Clock Polarity configurations
ALSA: hda - Do not assign streams in reverse order
ALSA: hda/realtek - Add eapd shutup to ALC283
ALSA: hda/realtek - Change model name alias for ChromeOS
ASoC: da732x: Print correct major id
ALSA: hda/realtek - Improve HP depop when system change power state on Chromebook
ASoC: cs42l52: Fix mask for REVID
sound/oss: Remove uncompilable DBG macro use
ALSA: ice1712: Save/restore routing and rate registers
ALSA: ice1712: restore AK4xxx volumes on resume
ASoC: alc56(23|32): fix undefined return value of probing code
...
Pull thermal management updates from Zhang Rui:
"We only have a couple of fixes/cleanups for platform thermal drivers
this time.
Specifics:
- rcar thermal driver: avoid updating the thermal zone in case an IRQ
was triggered but the temperature didn't effectively change. From
Patrick Titiano.
- update the imx thermal driver' formula of converting thermal
sensor' raw date to real temperature in degree C. From Anson
Huang.
- trivial code cleanups of ti soc thermal and rcar thermal driver
from Jingoo Han and Patrick Titiano"
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux:
thermal: rcar-thermal: update thermal zone only when temperature changes
thermal: rcar-thermal: fix same mask applied twice
thermal: ti-soc-thermal: Use SIMPLE_DEV_PM_OPS macro
thermal: imx: update formula for thermal sensor
Pull LED updates from Bryan Wu:
"This cycle we got:
- new driver for leds-mc13783
- bug fixes
- code cleanup"
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds:
leds: make sure we unregister a trigger only once
leds: leds-pwm: properly clean up after probe failure
leds: clevo-mail: Make probe function __init
leds-ot200: Fix dependencies
leds-gpio: of: introduce MODULE_DEVICE_TABLE for module autoloading
leds: clevo-mail: remove __initdata marker
leds: leds-ss4200: remove __initdata marker
leds: blinkm: remove unnecessary spaces
leds: lp5562: remove unnecessary parentheses
leds: leds-ss4200: remove DEFINE_PCI_DEVICE_TABLE macro
leds: leds-s3c24xx: Trivial cleanup in header file
drivers/leds: delete non-required instances of include <linux/init.h>
leds: leds-gpio: add retain-state-suspended property
leds: leds-mc13783: Add devicetree support
leds: leds-mc13783: Remove unnecessary cleaning of registers on exit
leds: leds-mc13783: Use proper "max_brightness" value fo LEDs
leds: leds-mc13783: Use LED core PM functions
leds: leds-mc13783: Add MC34708 LED support
leds: Turn off led if blinking is disabled
ledtrig-cpu: Handle CPU hot(un)plugging
Pull slave-dmaengine updates from Vinod Koul:
- New driver for Qcom bam dma
- New driver for RCAR peri-peri
- New driver for FSL eDMA
- Various odd fixes and updates thru the subsystem
* 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma: (29 commits)
dmaengine: add Qualcomm BAM dma driver
shdma: add R-Car Audio DMAC peri peri driver
dmaengine: sirf: enable generic dt binding for dma channels
dma: omap-dma: Implement device_slave_caps callback
dmaengine: qcom_bam_dma: Add device tree binding
dma: dw: Add suspend and resume handling for PCI mode DW_DMAC.
dma: dw: allocate memory in two stages in probe
Add new line to test result strings produced in verbose mode
dmaengine: pch_dma: use tasklet_kill in teardown
dmaengine: at_hdmac: use tasklet_kill in teardown
dma: cppi41: start tear down only if channel is busy
usb: musb: musb_cppi41: Dont reprogram DMA if tear down is initiated
dmaengine: s3c24xx-dma: make phy->irq signed for error handling
dma: imx-dma: Add missing module owner field
dma: imx-dma: Replace printk with dev_*
dma: fsl-edma: fix static checker warning of NULL dereference
dma: Remove comment about embedding dma_slave_config into custom structs
dma: mmp_tdma: move to generic device tree binding
dma: mmp_pdma: add IRQF_SHARED when request irq
dma: edma: Fix memory leak in edma_prep_dma_cyclic()
...
BugLink: http://bugs.launchpad.net/bugs/1305133
Malfunctioning or slow devices can cause a flood of dmesg SPAM.
I've ignored checkpatch.pl complaints about the use of printk_ratelimit() in favour
of prior art in sound/usb/pcm.c.
WARNING: Prefer printk_ratelimited or pr_<level>_ratelimited to printk_ratelimit
+ if (printk_ratelimit() &&
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.de>
Cc: Eldad Zack <eldad@fogrefinery.com>
Cc: Daniel Mack <zonque@gmail.com>
Cc: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
A smattering of device specific fixes, nothing stands out here except
for the multiplatform fixes for Samsung and the device IDs being added
by Stephen Warren - there's no real code changes from those and they
give better robustness to the enumeration with DT.
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Merge tag 'asoc-v3.15-5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v3.15
A smattering of device specific fixes, nothing stands out here except
for the multiplatform fixes for Samsung and the device IDs being added
by Stephen Warren - there's no real code changes from those and they
give better robustness to the enumeration with DT.
Pull i2c updates from Wolfram Sang:
"Here is the pull request from the i2c subsystem. It got a little
delayed because I needed to wait for a dependency to be included
(commit b424080a9e: "reset: Add optional resets and stubs"). Plus,
I had some email problems. All done now, the highlights are:
- drivers can now deprecate their use of i2c classes. That shouldn't
be used on embedded platforms anyhow and was often blindly
copy&pasted. This mechanism gives users time to switch away and
ultimately boot faster once the use of classes for those drivers is
gone for good.
- new drivers for QUP, Cadence, efm32
- tracepoint support for I2C and SMBus
- bigger cleanups for the mv64xxx, nomadik, and designware drivers
And the usual bugfixes, cleanups, feature additions. Most stuff has
been in linux-next for a while. Just some hot fixes and new drivers
were added a bit more recently."
* 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (63 commits)
i2c: cadence: fix Kconfig dependency
i2c: Add driver for Cadence I2C controller
i2c: cadence: Document device tree bindings
Documentation: i2c: improve section about flags mangling the protocol
i2c: qup: use proper type fro clk_freq
i2c: qup: off by ones in qup_i2c_probe()
i2c: efm32: fix binding doc
MAINTAINERS: update I2C web resources
i2c: qup: New bus driver for the Qualcomm QUP I2C controller
i2c: qup: Add device tree bindings information
i2c: i2c-xiic: deprecate class based instantiation
i2c: i2c-sirf: deprecate class based instantiation
i2c: i2c-mv64xxx: deprecate class based instantiation
i2c: i2c-designware-platdrv: deprecate class based instantiation
i2c: i2c-davinci: deprecate class based instantiation
i2c: i2c-bcm2835: deprecate class based instantiation
i2c: mv64xxx: Fix reset controller handling
i2c: omap: fix usage of IS_ERR_VALUE with pm_runtime_get_sync
i2c: efm32: new bus driver
i2c: exynos5: remove unnecessary cast of void pointer
...
Core:
- CONFIG_MMC_UNSAFE_RESUME=y is now default behavior.
- DT bindings for SDHCI UHS, eMMC HS200, high-speed DDR, at 1.8/1.2V.
- Add GPIO descriptor based slot-gpio card detect API.
Drivers:
- dw_mmc: Refactor SOCFPGA support as a variant inside dw_mmc-pltfm.c.
- mmci: Support HW busy detection on ux500.
- omap: Support MMC_ERASE.
- omap_hsmmc: Support MMC_PM_KEEP_POWER, MMC_PM_WAKE_SDIO_IRQ, (a)cmd23.
- rtsx: Support pre-req/post-req async.
- sdhci: Add support for Realtek RTS5250 controllers.
- sdhci-acpi: Add support for 80860F16, fix 80860F14/SDIO card detect.
- sdhci-msm: Add new driver for Qualcomm SDHCI chipset support.
- sdhci-pxav3: Add support for Marvell Armada 380 and 385 SoCs.
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Merge tag 'mmc-updates-for-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
Pull MMC updates from Chris Ball:
"MMC highlights for 3.15:
Core:
- CONFIG_MMC_UNSAFE_RESUME=y is now default behavior
- DT bindings for SDHCI UHS, eMMC HS200, high-speed DDR, at 1.8/1.2V
- Add GPIO descriptor based slot-gpio card detect API
Drivers:
- dw_mmc: Refactor SOCFPGA support as a variant inside dw_mmc-pltfm.c
- mmci: Support HW busy detection on ux500
- omap: Support MMC_ERASE
- omap_hsmmc: Support MMC_PM_KEEP_POWER, MMC_PM_WAKE_SDIO_IRQ, (a)cmd23
- rtsx: Support pre-req/post-req async
- sdhci: Add support for Realtek RTS5250 controllers
- sdhci-acpi: Add support for 80860F16, fix 80860F14/SDIO card detect
- sdhci-msm: Add new driver for Qualcomm SDHCI chipset support
- sdhci-pxav3: Add support for Marvell Armada 380 and 385 SoCs"
* tag 'mmc-updates-for-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (102 commits)
mmc: sdhci-acpi: Intel SDIO has broken card detect
mmc: sdhci-pxav3: add support for the Armada 38x SDHCI controller
mmc: sdhci-msm: Add platform_execute_tuning implementation
mmc: sdhci-msm: Initial support for Qualcomm chipsets
mmc: sdhci-msm: Qualcomm SDHCI binding documentation
sdhci: only reprogram retuning timer when flag is set
mmc: rename ARCH_BCM to ARCH_BCM_MOBILE
mmc: sdhci: Allow for irq being shared
mmc: sdhci-acpi: Add device id 80860F16
mmc: sdhci-acpi: Fix broken card detect for ACPI HID 80860F14
mmc: slot-gpio: Add GPIO descriptor based CD GPIO API
mmc: slot-gpio: Split out CD IRQ request into a separate function
mmc: slot-gpio: Record GPIO descriptors instead of GPIO numbers
Revert "dts: socfpga: Add support for SD/MMC on the SOCFPGA platform"
mmc: sdhci-spear: use generic card detection gpio support
mmc: sdhci-spear: remove support for power gpio
mmc: sdhci-spear: simplify resource handling
mmc: sdhci-spear: fix platform_data usage
mmc: sdhci-spear: fix error handling paths for DT
mmc: sdhci-bcm-kona: fix build errors when built-in
...
Pull more powerpc updates from Ben Herrenschmidt:
"Here are a few more powerpc things for you.
So you'll find here the conversion of the two new firmware sysfs
interfaces to the new API for self-removing files that Greg and Tejun
introduced, so they can finally remove the old one.
I'm also reverting the hwmon driver for powernv. I shouldn't have
merged it, I got a bit carried away here. I hadn't realized it was
never CCed to the relevant maintainer(s) and list(s), and happens to
have some issues so I'm taking it out and it will come back via the
proper channels.
The rest is a bunch of LE fixes (argh, some of the new stuff was
broken on LE, I really need to start testing LE myself !) and various
random fixes here and there.
Finally one bit that's not strictly a fix, which is the HVC OPAL
change to "kick" the HVC thread when the firmware tells us there is
new incoming data. I don't feel like waiting for this one, it's
simple enough, and it makes a big difference in console responsiveness
which is good for my nerves"
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (26 commits)
powerpc/powernv Adapt opal-elog and opal-dump to new sysfs_remove_file_self
Revert "powerpc/powernv: hwmon driver for power values, fan rpm and temperature"
power, sched: stop updating inside arch_update_cpu_topology() when nothing to be update
powerpc/le: Avoid creatng R_PPC64_TOCSAVE relocations for modules.
arch/powerpc: Use RCU_INIT_POINTER(x, NULL) in platforms/cell/spu_syscalls.c
powerpc/opal: Add missing include
powerpc: Convert last uses of __FUNCTION__ to __func__
powerpc: Add lq/stq emulation
powerpc/powernv: Add invalid OPAL call
powerpc/powernv: Add OPAL message log interface
powerpc/book3s: Fix mc_recoverable_range buffer overrun issue.
powerpc: Remove dead code in sycall entry
powerpc: Use of_node_init() for the fakenode in msi_bitmap.c
powerpc/mm: NUMA pte should be handled via slow path in get_user_pages_fast()
powerpc/powernv: Fix endian issues with sensor code
powerpc/powernv: Fix endian issues with OPAL async code
tty/hvc_opal: Kick the HVC thread on OPAL console events
powerpc/powernv: Add opal_notifier_unregister() and export to modules
powerpc/ppc64: Do not turn AIL (reloc-on interrupts) too early
powerpc/ppc64: Gracefully handle early interrupts
...
Jan Stancek reported:
"pthread_cond_broadcast/4-1.c testcase from openposix testsuite (LTP)
occasionally fails, because some threads fail to wake up.
Testcase creates 5 threads, which are all waiting on same condition.
Main thread then calls pthread_cond_broadcast() without holding mutex,
which calls:
futex(uaddr1, FUTEX_CMP_REQUEUE_PRIVATE, 1, 2147483647, uaddr2, ..)
This immediately wakes up single thread A, which unlocks mutex and
tries to wake up another thread:
futex(uaddr2, FUTEX_WAKE_PRIVATE, 1)
If thread A manages to call futex_wake() before any waiters are
requeued for uaddr2, no other thread is woken up"
The ordering constraints for the hash bucket waiter counting are that
the waiter counts have to be incremented _before_ getting the spinlock
(because the spinlock acts as part of the memory barrier), but the
"requeue" operation didn't honor those rules, and nobody had even
thought about that case.
This fairly simple patch just increments the waiter count for the target
hash bucket (hb2) when requeing a futex before taking the locks. It
then decrements them again after releasing the lock - the code that
actually moves the futex(es) between hash buckets will do the additional
required waiter count housekeeping.
Reported-and-tested-by: Jan Stancek <jstancek@redhat.com>
Acked-by: Davidlohr Bueso <davidlohr@hp.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org # 3.14
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The full_reset argument to azx_init_chip() carries boolean rather than
numerical information, so update the type to reflect that.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
When we plug a 3-ring headset on the Dell machine (VID: 0x10ec0283,
SID: 0x10280667), the headset mic can't be detected, after apply this
patch, the headset mic can work well.
BugLink: https://bugs.launchpad.net/bugs/1297581
Cc: David Henningsson <david.henningsson@canonical.com>
Cc: stable@vger.kernel.org
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Eliminate boilerplate code by using module_platform_driver_probe().
Signed-off-by: Christoph Jaeger <christophjaeger@linux.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Eliminate boilerplate code by using module_platform_driver().
Signed-off-by: Christoph Jaeger <christophjaeger@linux.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
From azx_interrupt, use the helper to check if the device is active
instead of checking the state. This will do the right thing if
runtime pm is disabled in addition to if the device is suspended.
Signed-off-by: Dylan Reid <dgreid@chromium.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
We are currently using sysfs_schedule_callback() which is deprecated
and about to be removed. Switch to the new interface instead.
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This reverts commit 0de7f8a917.
This driver wasn't merged via the proper maintainers (my fault ... ooops !)
and has serious issues so let's take it out for now and have a new better
one be merged the right way
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
Since v1:
Edited the comment according to Srivatsa's suggestion.
During the testing, we encounter below WARN followed by Oops:
WARNING: at kernel/sched/core.c:6218
...
NIP [c000000000101660] .build_sched_domains+0x11d0/0x1200
LR [c000000000101358] .build_sched_domains+0xec8/0x1200
PACATMSCRATCH [800000000000f032]
Call Trace:
[c00000001b103850] [c000000000101358] .build_sched_domains+0xec8/0x1200
[c00000001b1039a0] [c00000000010aad4] .partition_sched_domains+0x484/0x510
[c00000001b103aa0] [c00000000016d0a8] .rebuild_sched_domains+0x68/0xa0
[c00000001b103b30] [c00000000005cbf0] .topology_work_fn+0x10/0x30
...
Oops: Kernel access of bad area, sig: 11 [#1]
...
NIP [c00000000045c000] .__bitmap_weight+0x60/0xf0
LR [c00000000010132c] .build_sched_domains+0xe9c/0x1200
PACATMSCRATCH [8000000000029032]
Call Trace:
[c00000001b1037a0] [c000000000288ff4] .kmem_cache_alloc_node_trace+0x184/0x3a0
[c00000001b103850] [c00000000010132c] .build_sched_domains+0xe9c/0x1200
[c00000001b1039a0] [c00000000010aad4] .partition_sched_domains+0x484/0x510
[c00000001b103aa0] [c00000000016d0a8] .rebuild_sched_domains+0x68/0xa0
[c00000001b103b30] [c00000000005cbf0] .topology_work_fn+0x10/0x30
...
This was caused by that 'sd->groups == NULL' after building groups, which
was caused by the empty 'sd->span'.
The cpu's domain contained nothing because the cpu was assigned to a wrong
node, due to the following unfortunate sequence of events:
1. The hypervisor sent a topology update to the guest OS, to notify changes
to the cpu-node mapping. However, the update was actually redundant - i.e.,
the "new" mapping was exactly the same as the old one.
2. Due to this, the 'updated_cpus' mask turned out to be empty after exiting
the 'for-loop' in arch_update_cpu_topology().
3. So we ended up calling stop-machine() with an empty cpumask list, which made
stop-machine internally elect cpumask_first(cpu_online_mask), i.e., CPU0 as
the cpu to run the payload (the update_cpu_topology() function).
4. This causes update_cpu_topology() to be run by CPU0. And since 'updates'
is kzalloc()'ed inside arch_update_cpu_topology(), update_cpu_topology()
finds update->cpu as well as update->new_nid to be 0. In other words, we
end up assigning CPU0 (and eventually its siblings) to node 0, incorrectly.
Along with the following wrong updating, it causes the sched-domain rebuild
code to break and crash the system.
Fix this by skipping the topology update in cases where we find that
the topology has not actually changed in reality (ie., spurious updates).
CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: Paul Mackerras <paulus@samba.org>
CC: Nathan Fontenot <nfont@linux.vnet.ibm.com>
CC: Stephen Rothwell <sfr@canb.auug.org.au>
CC: Andrew Morton <akpm@linux-foundation.org>
CC: Robert Jennings <rcj@linux.vnet.ibm.com>
CC: Jesse Larrew <jlarrew@linux.vnet.ibm.com>
CC: "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>
CC: Alistair Popple <alistair@popple.id.au>
Suggested-by: "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Michael Wang <wangyun@linux.vnet.ibm.com>
Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
When building modules with a native le toolchain the linker will
generate R_PPC64_TOCSAVE relocations when it's safe to omit saving r2 on
a plt call. This isn't helpful in the conext of a kernel module and the
kernel will fail to load those modules with an error like:
nf_conntrack: Unknown ADD relocation: 109
This patch tells the linker to avoid createing R_PPC64_TOCSAVE
relocations allowing modules to load.
Signed-off-by: Tony Breeds <tony@bakeyournoodle.com>
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Here rcu_assign_pointer() is ensuring that the
initialization of a structure is carried out before storing a pointer
to that structure.
So, rcu_assign_pointer(p, NULL) can always safely be converted to
RCU_INIT_POINTER(p, NULL).
Signed-off-by: Monam Agarwal <monamagarwal123@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
next-20140324 currently fails compiling celleb_defconfig with:
arch/powerpc/include/asm/opal.h:894:42: error: 'struct notifier_block' declared inside parameter list [-Werror]
arch/powerpc/include/asm/opal.h:894:42: error: its scope is only this definition or declaration, which is probably not what you want [-Werror]
arch/powerpc/include/asm/opal.h:896:14: error: 'struct notifier_block' declared inside parameter list [-Werror]
This is due to a missing include which is added here.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Just about all of these have been converted to __func__,
so convert the last uses.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Recent CPUs support quad word load and store instructions. Add
support to the alignment handler for them.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This call will not be understood by OPAL, and cause it to add an error
to it's log. Among other things, this is useful for testing the
behaviour of the log as it fills up.
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
OPAL provides an in-memory circular buffer containing a message log
populated with various runtime messages produced by the firmware.
Provide a sysfs interface /sys/firmware/opal/msglog for userspace to
view the messages.
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Currently we wrongly allocate mc_recoverable_range buffer (to hold
recoverable ranges) based on size of the property "mcheck-recoverable-ranges".
This results in allocating less memory to hold available recoverable range
entries from /proc/device-tree/ibm,opal/mcheck-recoverable-ranges.
This patch fixes this issue by allocating mc_recoverable_range buffer based
on number of entries of recoverable ranges instead of device property size.
Without this change we end up allocating less memory and run into memory
corruption issue.
Signed-off-by: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
In:
commit 742415d6b6
Author: Michael Neuling <mikey@neuling.org>
powerpc: Turn syscall handler into macros
We converted the syscall entry code onto macros, but in doing this we
introduced some cruft that's never run and should never have been added.
This removes that code.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
We need to handle numa pte via the slow path
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
One OPAL call and one device tree property needed byte swapping.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Pull nfsd updates from Bruce Fields:
"Highlights:
- server-side nfs/rdma fixes from Jeff Layton and Tom Tucker
- xdr fixes (a larger xdr rewrite has been posted but I decided it
would be better to queue it up for 3.16).
- miscellaneous fixes and cleanup from all over (thanks especially to
Kinglong Mee)"
* 'for-3.15' of git://linux-nfs.org/~bfields/linux: (36 commits)
nfsd4: don't create unnecessary mask acl
nfsd: revert v2 half of "nfsd: don't return high mode bits"
nfsd4: fix memory leak in nfsd4_encode_fattr()
nfsd: check passed socket's net matches NFSd superblock's one
SUNRPC: Clear xpt_bc_xprt if xs_setup_bc_tcp failed
NFSD/SUNRPC: Check rpc_xprt out of xs_setup_bc_tcp
SUNRPC: New helper for creating client with rpc_xprt
NFSD: Free backchannel xprt in bc_destroy
NFSD: Clear wcc data between compound ops
nfsd: Don't return NFS4ERR_STALE_STATEID for NFSv4.1+
nfsd4: fix nfs4err_resource in 4.1 case
nfsd4: fix setclientid encode size
nfsd4: remove redundant check from nfsd4_check_resp_size
nfsd4: use more generous NFS4_ACL_MAX
nfsd4: minor nfsd4_replay_cache_entry cleanup
nfsd4: nfsd4_replay_cache_entry should be static
nfsd4: update comments with obsolete function name
rpc: Allow xdr_buf_subsegment to operate in-place
NFSD: Using free_conn free connection
SUNRPC: fix memory leak of peer addresses in XPRT
...
Merge a few more patches from Andrew Morton:
"A few leftovers"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
fs/ncpfs/dir.c: fix indenting in ncp_lookup()
ncpfs/inode.c: fix mismatch printk formats and arguments
ncpfs: remove now unused PRINTK macro
ncpfs: convert PPRINTK to ncp_vdbg
ncpfs: convert DPRINTK/DDPRINTK to ncp_dbg
ncpfs: Add pr_fmt and convert printks to pr_<level>
arch/x86/mm/kmemcheck/kmemcheck.c: use kstrtoint() instead of sscanf()
lib/percpu_counter.c: fix bad percpu counter state during suspend
autofs4: check dev ioctl size before allocating
mm: vmscan: do not swap anon pages just because free+file is low
My static checker suggests adding curly braces here. Probably that was
the intent, but actually the code works the same either way. I've just
changed the indenting and left the code as-is.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Petr Vandrovec <petr@vandrovec.name>
Acked-by: Dave Chiluk <chiluk@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Conversions to ncp_dbg showed some format/argument mismatches so fix
them.
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Petr Vandrovec <petr@vandrovec.name>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Uses are gone, remove the macro.
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Petr Vandrovec <petr@vandrovec.name>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Use a more current logging style.
Convert the paranoia debug statement to vdbg.
Remove the embedded function names as dynamic_debug can do that.
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Petr Vandrovec <petr@vandrovec.name>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Use a more current logging style and enable use of dynamic debugging.
Remove embedded function names, dynamic debug can add this instead.
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Petr Vandrovec <petr@vandrovec.name>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Convert to a more current logging style.
Add pr_fmt to prefix with "ncpfs: ".
Remove the embedded function names and use "%s: ", __func__
Some previously unprefixed messages now have "ncpfs: "
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Petr Vandrovec <petr@vandrovec.name>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Kmemcheck should use the preferred interface for parsing command line
arguments, kstrto*(), rather than sscanf() itself. Use it
appropriately.
Signed-off-by: David Rientjes <rientjes@google.com>
Cc: Vegard Nossum <vegardno@ifi.uio.no>
Acked-by: Pekka Enberg <penberg@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
I got a bug report yesterday from Laszlo Ersek in which he states that
his kvm instance fails to suspend. Laszlo bisected it down to this
commit 1cf7e9c68f ("virtio_blk: blk-mq support") where virtio-blk is
converted to use the blk-mq infrastructure.
After digging a bit, it became clear that the issue was with the queue
drain. blk-mq tracks queue usage in a percpu counter, which is
incremented on request alloc and decremented when the request is freed.
The initial hunt was for an inconsistency in blk-mq, but everything
seemed fine. In fact, the counter only returned crazy values when
suspend was in progress.
When a CPU is unplugged, the percpu counters merges that CPU state with
the general state. blk-mq takes care to register a hotcpu notifier with
the appropriate priority, so we know it runs after the percpu counter
notifier. However, the percpu counter notifier only merges the state
when the CPU is fully gone. This leaves a state transition where the
CPU going away is no longer in the online mask, yet it still holds
private values. This means that in this state, percpu_counter_sum()
returns invalid results, and the suspend then hangs waiting for
abs(dead-cpu-value) requests to complete which of course will never
happen.
Fix this by clearing the state earlier, so we never have a case where
the CPU isn't in online mask but still holds private state. This bug
has been there since forever, I guess we don't have a lot of users where
percpu counters needs to be reliable during the suspend cycle.
Signed-off-by: Jens Axboe <axboe@fb.com>
Reported-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
There wasn't any check of the size passed from userspace before trying
to allocate the memory required.
This meant that userspace might request more space than allowed,
triggering an OOM.
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Ian Kent <raven@themaw.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Page reclaim force-scans / swaps anonymous pages when file cache drops
below the high watermark of a zone in order to prevent what little cache
remains from thrashing.
However, on bigger machines the high watermark value can be quite large
and when the workload is dominated by a static anonymous/shmem set, the
file set might just be a small window of used-once cache. In such
situations, the VM starts swapping heavily when instead it should be
recycling the no longer used cache.
This is a longer-standing problem, but it's more likely to trigger after
commit 81c0a2bb51 ("mm: page_alloc: fair zone allocator policy")
because file pages can no longer accumulate in a single zone and are
dispersed into smaller fractions among the available zones.
To resolve this, do not force scan anon when file pages are low but
instead rely on the scan/rotation ratios to make the right prediction.
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Rafael Aquini <aquini@redhat.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Hugh Dickins <hughd@google.com>
Cc: Suleiman Souhlal <suleiman@google.com>
Cc: <stable@kernel.org> [3.12+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
A few more updates from last week - use of the tdm_slot mapping from
Xiubo plus a few smaller fixes and cleanups.
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Merge tag 'asoc-v3.15-4' into asoc-linus
ASoC: Final updates for v3.15 merge window
A few more updates from last week - use of the tdm_slot mapping from
Xiubo plus a few smaller fixes and cleanups.
# gpg: Signature made Mon 31 Mar 2014 10:49:42 BST using RSA key ID 7EA229BD
# gpg: Good signature from "Mark Brown <broonie@sirena.org.uk>"
# gpg: aka "Mark Brown <broonie@debian.org>"
# gpg: aka "Mark Brown <broonie@kernel.org>"
# gpg: aka "Mark Brown <broonie@tardis.ed.ac.uk>"
# gpg: aka "Mark Brown <broonie@linaro.org>"
# gpg: aka "Mark Brown <Mark.Brown@linaro.org>"
A few more updates for the merge window:
- Fixes for the simple-card DAI format DT mess.
- A new driver for Cirrus cs42xx8 devices.
- DT support for a couple more devices.
- A revert of a previous buggy fix for soc-pcm, plus a few more fixes
and cleanups.
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Merge tag 'asoc-v3.15-3' into asoc-linus
ASoC: Updates for v3.15
A few more updates for the merge window:
- Fixes for the simple-card DAI format DT mess.
- A new driver for Cirrus cs42xx8 devices.
- DT support for a couple more devices.
- A revert of a previous buggy fix for soc-pcm, plus a few more fixes
and cleanups.
# gpg: Signature made Sun 23 Mar 2014 16:56:11 GMT using RSA key ID 7EA229BD
# gpg: Good signature from "Mark Brown <broonie@sirena.org.uk>"
# gpg: aka "Mark Brown <broonie@debian.org>"
# gpg: aka "Mark Brown <broonie@kernel.org>"
# gpg: aka "Mark Brown <broonie@tardis.ed.ac.uk>"
# gpg: aka "Mark Brown <broonie@linaro.org>"
# gpg: aka "Mark Brown <Mark.Brown@linaro.org>"
This is mostly a few additional fixes from Lars-Peter, a new driver and
cleaning up a git failure with merging the Intel branch (combined with
an xargs failure to pay attention to error codes). The history lists a
bunch of additional commits for the branch but the content of those
commits is actually present already but not recorded in history due to
git failing. Unfortunately xargs is used in the merge script and it
doesn't do a good job of noticing errors from the commands it invokes.
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Merge tag 'asoc-v3.15-2' into asoc-linus
ASoC: Updates for v3.15
This is mostly a few additional fixes from Lars-Peter, a new driver and
cleaning up a git failure with merging the Intel branch (combined with
an xargs failure to pay attention to error codes). The history lists a
bunch of additional commits for the branch but the content of those
commits is actually present already but not recorded in history due to
git failing. Unfortunately xargs is used in the merge script and it
doesn't do a good job of noticing errors from the commands it invokes.
# gpg: Signature made Thu 13 Mar 2014 14:25:44 GMT using RSA key ID 7EA229BD
# gpg: Good signature from "Mark Brown <broonie@sirena.org.uk>"
# gpg: aka "Mark Brown <broonie@debian.org>"
# gpg: aka "Mark Brown <broonie@kernel.org>"
# gpg: aka "Mark Brown <broonie@tardis.ed.ac.uk>"
# gpg: aka "Mark Brown <broonie@linaro.org>"
# gpg: aka "Mark Brown <Mark.Brown@linaro.org>"
Quite a busy release for ASoC this time, more on janitorial work than
exciting new features but welcome nontheless:
- Lots of cleanups from Takashi for enumerations; the original API for
these was error prone so he's refactored lots of code to use more
modern APIs which avoid issues.
- Elimination of the ASoC level wrappers for I2C and SPI moving us
closer to converting to regmap completely and avoiding some
randconfig hassle.
- Provide both manually and transparently locked DAPM APIs rather than
a mix of the two fixing some concurrency issues.
- Start converting CODEC drivers to use separate bus interface drivers
rather than having them all in one file helping avoid dependency
issues.
- DPCM support for Intel Haswell and Bay Trail platforms.
- Lots of work on improvements for simple-card, DaVinci and the Renesas
rcar drivers.
- New drivers for Analog Devices ADAU1977, TI PCM512x and parts of the
CSR SiRF SoC.
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Merge tag 'asoc-v3.15' into asoc-linus
ASoC: Updates for v3.15
Quite a busy release for ASoC this time, more on janitorial work than
exciting new features but welcome nontheless:
- Lots of cleanups from Takashi for enumerations; the original API for
these was error prone so he's refactored lots of code to use more
modern APIs which avoid issues.
- Elimination of the ASoC level wrappers for I2C and SPI moving us
closer to converting to regmap completely and avoiding some
randconfig hassle.
- Provide both manually and transparently locked DAPM APIs rather than
a mix of the two fixing some concurrency issues.
- Start converting CODEC drivers to use separate bus interface drivers
rather than having them all in one file helping avoid dependency
issues.
- DPCM support for Intel Haswell and Bay Trail platforms.
- Lots of work on improvements for simple-card, DaVinci and the Renesas
rcar drivers.
- New drivers for Analog Devices ADAU1977, TI PCM512x and parts of the
CSR SiRF SoC.
# gpg: Signature made Wed 12 Mar 2014 23:05:45 GMT using RSA key ID 7EA229BD
# gpg: Good signature from "Mark Brown <broonie@sirena.org.uk>"
# gpg: aka "Mark Brown <broonie@debian.org>"
# gpg: aka "Mark Brown <broonie@kernel.org>"
# gpg: aka "Mark Brown <broonie@tardis.ed.ac.uk>"
# gpg: aka "Mark Brown <broonie@linaro.org>"
# gpg: aka "Mark Brown <Mark.Brown@linaro.org>"
Pull more networking updates from David Miller:
1) If a VXLAN interface is created with no groups, we can crash on
reception of packets. Fix from Mike Rapoport.
2) Missing includes in CPTS driver, from Alexei Starovoitov.
3) Fix string validations in isdnloop driver, from YOSHIFUJI Hideaki
and Dan Carpenter.
4) Missing irq.h include in bnxw2x, enic, and qlcnic drivers. From
Josh Boyer.
5) AF_PACKET transmit doesn't statistically count TX drops, from Daniel
Borkmann.
6) Byte-Queue-Limit enabled drivers aren't handled properly in
AF_PACKET transmit path, also from Daniel Borkmann.
Same problem exists in pktgen, and Daniel fixed it there too.
7) Fix resource leaks in driver probe error paths of new sxgbe driver,
from Francois Romieu.
8) Truesize of SKBs can gradually get more and more corrupted in NAPI
packet recycling path, fix from Eric Dumazet.
9) Fix uniprocessor netfilter build, from Florian Westphal. In the
longer term we should perhaps try to find a way for ARRAY_SIZE() to
work even with zero sized array elements.
10) Fix crash in netfilter conntrack extensions due to mis-estimation of
required extension space. From Andrey Vagin.
11) Since we commit table rule updates before trying to copy the
counters back to userspace (it's the last action we perform), we
really can't signal the user copy with an error as we are beyond the
point from which we can unwind everything. This causes all kinds of
use after free crashes and other mysterious behavior.
From Thomas Graf.
12) Restore previous behvaior of div/mod by zero in BPF filter
processing. From Daniel Borkmann.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (38 commits)
net: sctp: wake up all assocs if sndbuf policy is per socket
isdnloop: several buffer overflows
netdev: remove potentially harmful checks
pktgen: fix xmit test for BQL enabled devices
net/at91_ether: avoid NULL pointer dereference
tipc: Let tipc_release() return 0
at86rf230: fix MAX_CSMA_RETRIES parameter
mac802154: fix duplicate #include headers
sxgbe: fix duplicate #include headers
net: filter: be more defensive on div/mod by X==0
netfilter: Can't fail and free after table replacement
xen-netback: Trivial format string fix
net: bcmgenet: Remove unnecessary version.h inclusion
net: smc911x: Remove unused local variable
bonding: Inactive slaves should keep inactive flag's value
netfilter: nf_tables: fix wrong format in request_module()
netfilter: nf_tables: set names cannot be larger than 15 bytes
netfilter: nf_conntrack: reserve two bytes for nf_ct_ext->len
netfilter: Add {ipt,ip6t}_osf aliases for xt_osf
netfilter: x_tables: allow to use cgroup match for LOCAL_IN nf hooks
...
