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* pm-cpufreq: (21 commits)
intel_pstate: skip this driver if Sun server has _PPC method
cpufreq: arm_big_little: free OPP table created during ->init()
imx6q: free OPP table created during ->init()
exynos5440: free OPP table created during ->init()
cpufreq-dt: free OPP table created during ->init()
cpufreq-dt: register cooling device from ->ready() callback
cpufreq: Introduce ->ready() callback for cpufreq drivers
cpufreq-dt: pass 'policy->related_cpus' to of_cpufreq_cooling_register()
cpufreq: Fix formatting issues in 'struct cpufreq_driver'
cpufreq: pxa2xx: Add Kconfig entry
cpufreq: Ref the policy object sooner
cpufreq: Kconfig: Remove architecture specific menu entries
cpufreq: pcc: Enable autoload of pcc-cpufreq for ACPI processors
intel_pstate: Add CPUID for BDW-H CPU
intel_pstate: Add support for HWP
x86: Add support for Intel HWP feature detection.
cpufreq: respect the min/max settings from user space
cpufreq: cpufreq-dt: Handle regulator_get_voltage() failure
cpufreq: cpufreq-dt: Improve debug about matching OPP
cpufreq: Loongson1: Add cpufreq driver for Loongson1B
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* pm-cpuidle:
cpuidle: add MAINTAINERS entry for ARM Exynos cpuidle driver
drivers: cpuidle: Remove cpuidle-arm64 duplicate error messages
drivers: cpuidle: Add idle-state-name description to ARM idle states
drivers: cpuidle: Add status property to ARM idle states
cpuidle: Invert CPUIDLE_FLAG_TIME_VALID logic
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* pm-domains:
ARM: shmobile: Convert to genpd flags for PM clocks for R-mobile
ARM: shmobile: Convert to genpd flags for PM clocks for r8a7779
PM / Domains: Initial PM clock support for genpd
PM / Domains: Power on the PM domain right after attach completes
PM / Domains: Move struct pm_domain_data to pm_domain.h
PM / Domains: Extract code to power off/on a PM domain
PM / Domains: Make genpd parameter of pm_genpd_present() const
* pm-sleep:
PM / hibernate: Deletion of an unnecessary check before the function call "vfree"
PM / Hibernate: Migrate to ktime_t
* pm-tools:
tools: cpupower: fix return checks for sysfs_get_idlestate_count()
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
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* powercap:
powercap / RAPL: fix build dependency on iosf_mbi
powercap / RAPL: add new model ids
powercap / RAPL: handle atom and core differences
powercap / RAPL: abstract per cpu type functions
* pm-clk:
PM / clock_ops: make __pm_clk_enable more generic
PM / clock_ops: Add pm_clk_add_clk()
* pm-config:
PM: Kconfig: fix unmet dependency for CPU_PM
* pm-opp:
PM / OPP replace kfree_rcu() with call_srcu() in opp_set_availability()
PM / OPP Introduce APIs to remove OPPs
PM / OPP mark OPPs as 'static' or 'dynamic'
PM / OPP don't match for existing OPPs when list is empty
PM / OPP rename 'head' as 'rcu_head' or 'srcu_head' based on its type
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As inline_{dir,inode} stat is increased/decreased concurrently by multi threads,
so the value is not so accurate, let's use atomic type for counting accurately.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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* acpi-video:
ACPI / video: Run _BCL before deciding registering backlight
* acpi-pmic:
ACPI / PMIC: AXP288: support virtual GPIO in ACPI table
ACPI / PMIC: support PMIC operation region for XPower AXP288
ACPI / PMIC: support PMIC operation region for CrystalCove
iio/axp288_adc: remove THIS_MODULE owner
mfd/axp20x: avoid irq numbering collision
iio: adc: Add module device table for autoloading
iio: adc: Add support for axp288 adc
mfd: axp20x: Extend axp20x to support axp288 pmic
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* acpi-scan:
ACPI: Add _DEP support to fix battery issue on Asus T100TA
* acpi-pm:
ACPI / sleep: Drain outstanding events after disabling multiple GPEs
ACPI / PM: Fixed a typo in a comment
* acpi-lpss:
dmaengine: dw: enable runtime PM
ACPI / LPSS: introduce a 'proxy' device to power on LPSS for DMA
ACPI / LPSS: allow to use specific PM domain during ->probe()
ACPI / LPSS: add all LPSS devices to the specific power domain
* acpi-processor:
ACPI / cpuidle: avoid assigning signed errno to acpi_status
ACPI / processor: remove unused variabled from acpi_processor_power structure
ACPI / processor: Update the comments in processor.h
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* acpica:
ACPICA: Events: Always modify GPE registers under the GPE lock
ACPICA: Save current masks of enabled GPEs after enable register writes
ACPICA: Update version to 20141107.
ACPICA: Disassembler: Emit correct string for 0 stop bits.
ACPICA: Disassembler: Update for C-style expressions.
ACPICA: Disassembler: Add support for C-style operators and expressions.
ACPICA: acpiexec: Add option to specify an object initialization file.
ACPICA: iASL: Add support for to_PLD macro.
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* acpi-config:
ACPI / Kconfig: Remove redundant depends on ACPI
* acpi-osl:
ACPI / OSL: Add IRQ handler flushing support in the OSL.
ACPI / osl: speedup grace period in acpi_os_map_cleanup
* acpi-utils:
ACPI: remove unnecessary sizeof(u8)
* acpi-tables:
ACPI / table: Always count matched and successfully parsed entries
ACPI / table: Add new function to get table entries
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* device-properties:
leds: leds-gpio: Fix multiple instances registration without 'label' property
leds: leds-gpio: Fix legacy GPIO number case
ACPI / property: Drop size_prop from acpi_dev_get_property_reference()
leds: leds-gpio: Convert gpio_blink_set() to use GPIO descriptors
ACPI / GPIO: Document ACPI GPIO mappings API
net: rfkill: gpio: Add default GPIO driver mappings for ACPI
ACPI / GPIO: Driver GPIO mappings for ACPI GPIOs
input: gpio_keys_polled: Make use of device property API
leds: leds-gpio: Make use of device property API
gpio: Support for unified device properties interface
Driver core: Unified interface for firmware node properties
input: gpio_keys_polled: Add support for GPIO descriptors
leds: leds-gpio: Add support for GPIO descriptors
gpio: sch: Consolidate core and resume banks
gpio / ACPI: Add support for _DSD device properties
misc: at25: Make use of device property API
ACPI: Allow drivers to match using Device Tree compatible property
Driver core: Unified device properties interface for platform firmware
ACPI: Add support for device specific properties
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Added some commentaries for code readability and cleaned up if-statement
clearly.
Signed-off-by: Changman Lee <cm224.lee@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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If inode state is dirty, go straight to write.
Suggested-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Changman Lee <cm224.lee@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch adds counting # of inmemory pages in the page cache.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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If file is closed, let's drop inmemory pages.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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The inmemory pages should be handled by invalidate_page since it needs to be
released int the truncation path.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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In do_read_inode, if we failed __recover_inline_status, the inode has inline
flag without increasing its count.
Later, f2fs_evict_inode will decrease the count, which causes -1.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch revists retrial paths in f2fs.
The basic idea is to use cond_resched instead of retrying from the very early
stage.
Suggested-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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When there is serious memory pressure, all workers in a pool could be
blocked, and a new thread cannot be created because it requires memory
allocation.
In this situation a WQ_MEM_RECLAIM workqueue will wake up the
rescuer thread to do some work.
The rescuer will only handle requests that are already on ->worklist.
If max_requests is 1, that means it will handle a single request.
The rescuer will be woken again in 100ms to handle another max_requests
requests.
I've seen a machine (running a 3.0 based "enterprise" kernel) with
thousands of requests queued for xfslogd, which has a max_requests of
1, and is needed for retiring all 'xfs' write requests. When one of
the worker pools gets into this state, it progresses extremely slowly
and possibly never recovers (only waited an hour or two).
With this patch we leave a pool_workqueue on mayday list
until it is clearly no longer in need of assistance. This allows
all requests to be handled in a timely fashion.
We keep each pool_workqueue on the mayday list until
need_to_create_worker() is false, and no work for this workqueue is
found in the pool.
I have tested this in combination with a (hackish) patch which forces
all work items to be handled by the rescuer thread. In that context
it significantly improves performance. A similar patch for a 3.0
kernel significantly improved performance on a heavy work load.
Thanks to Jan Kara for some design ideas, and to Dongsu Park for
some comments and testing.
tj: Inverted the lock order between wq_mayday_lock and pool->lock with
a preceding patch and simplified this patch. Added comment and
updated changelog accordingly. Dongsu spotted missing get_pwq()
in the simplified code.
Cc: Dongsu Park <dongsu.park@profitbricks.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Currently, pool->lock nests inside pool->lock. There's no inherent
reason for this order. The only place where the two locks are held
together is pool_mayday_timeout() and it just got decided that way.
This nesting order turns out to complicate things with the planned
rescuer_thread() update. Let's invert them. This doesn't cause any
behavior differences.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: NeilBrown <neilb@suse.de>
Cc: Dongsu Park <dongsu.park@profitbricks.com>
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The at91 cleanups changed a lot of files, this merges in the
latest cleanups to resolve the conflicts
Conflicts:
arch/arm/mach-at91/at91sam9260.c
arch/arm/mach-at91/at91sam9261.c
arch/arm/mach-at91/at91sam9263.c
arch/arm/mach-at91/clock.c
arch/arm/mach-at91/clock.h
drivers/rtc/Kconfig
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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This resolves a nonobvious merge conflict that I got wrong the
first time.
* brcm/stb-smp-uart:
bus: brcmstb_gisb: save and restore GISB timeout
bus: brcmstb_gisb: register the fault code hook
ARM: brcmstb: Kconfig: drop unneeded symbol selections
ARM: brcmstb: reintroduce SMP support
ARM: brcmstb: add debug UART for earlyprintk support
Conflicts:
drivers/bus/brcmstb_gisb.c
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reported-by: Florian Fainelli <f.fainelli@gmail.com>
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If we run out of tags and have to sleep, we run the hardware queue
to kick pending IO into gear. During that run, we may have completed
requests, so re-check if we have free tags before going to sleep.
Signed-off-by: Jens Axboe <axboe@fb.com>
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Avoid that if there are fewer hardware queues than CPU threads that
bt_get() can hang. The symptoms of the hang were as follows:
* All tags allocated for a particular hardware queue.
* (nr_tags) pending commands for that hardware queue.
* No pending commands for the software queues associated with that
hardware queue.
Signed-off-by: Jens Axboe <axboe@fb.com>
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Conflicts:
drivers/scsi/scsi_debug.c
Agreed and tested resolution to a merge problem between a fix in scsi_debug
and a driver update
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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TMP435 supports a range of I2C addresses, not just 0x4c.
Cc: Patrick Titiano <ptitiano@baylibre.com>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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For fixing a build error with CONFIG_SND_JACK=n
sound/soc/codecs/ts3a227e.c:223:2: error: implicit declaration of function ‘snd_jack_set_key’ [-Werror=implicit-function-declaration]
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Signed-off-by: John de la Garza <john@jjdev.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v3.19
Lots and lots of changes this time around, the usual set of driver
updates and a huge bulk of cleanups from Lars-Peter. Probably the most
interesting thing for most users is the Intel driver updates which will
(with some more machine integration work) enable support for newer x86
laptops.
- Conversion of AC'97 drivers to use regmap, bringing us closer to the
removal of the ASoC level I/O code.
- Clean up a lot of old drivers that were open coding things that have
subsequently been implemented in the core.
- Some DAPM performance improvements.
- Removal of the now seldom used CODEC mutex.
- Lots of updates for the newer Intel SoC support, including support
for the DSP and some Cherrytrail and Braswell machine drivers.
- Support for Samsung boards using rt5631 as the CODEC.
- Removal of the obsolete AFEB9260 machine driver.
- Driver support for the TI TS3A227E headset driver used in some
Chrombeooks.
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If the current transfer control descriptor (TCD) was not yet started,
the address will be the same as the initial address. Hence test if the
current address is less than or equal to the start address of each TCD.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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'asoc/topic/wm9713' into asoc-next
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'asoc/topic/wm8994', 'asoc/topic/wm8995' and 'asoc/topic/wm9081' into asoc-next
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'asoc/topic/wm8985', 'asoc/topic/wm8988' and 'asoc/topic/wm8990' into asoc-next
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'asoc/topic/wm8961', 'asoc/topic/wm8962' and 'asoc/topic/wm8974' into asoc-next
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'asoc/topic/wm8900', 'asoc/topic/wm8903' and 'asoc/topic/wm8940' into asoc-next
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'asoc/topic/wm8731', 'asoc/topic/wm8737' and 'asoc/topic/wm8750' into asoc-next
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'asoc/topic/wm8510', 'asoc/topic/wm8523' and 'asoc/topic/wm8580' into asoc-next
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'asoc/topic/uda1380' and 'asoc/topic/wl1273' into asoc-next
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'asoc/topic/tlv320aic3x', 'asoc/topic/tlv320dac33', 'asoc/topic/ts3a227e' and 'asoc/topic/twl4030' into asoc-next
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'asoc/topic/tfa9879', 'asoc/topic/tlv320aic23' and 'asoc/topic/tlv320aic31xx' into asoc-next
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'asoc/topic/sta350', 'asoc/topic/sta529' and 'asoc/topic/stac9766' into asoc-next
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'asoc/topic/simple', 'asoc/topic/sirf' and 'asoc/topic/sn95031' into asoc-next
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'asoc/topic/rt5677', 'asoc/topic/samsung' and 'asoc/topic/sgtl5000' into asoc-next
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'asoc/topic/rt286' and 'asoc/topic/rt5631' into asoc-next
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'asoc/topic/mxs-saif', 'asoc/topic/mxs-sgtl5000', 'asoc/topic/omap' and 'asoc/topic/pxa' into asoc-next
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'asoc/topic/max98095', 'asoc/topic/max9850' and 'asoc/topic/mop500' into asoc-next
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'asoc/topic/jack', 'asoc/topic/jz4740' and 'asoc/topic/lm49453' into asoc-next
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'asoc/topic/fsl-dt' and 'asoc/topic/fsl-ssi' into asoc-next
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