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* topic/docs-next: (322 commits)
[media] cx23885-cardlist.rst: add a new card
[media] doc-rst: add some needed escape codes
[media] doc-rst: kapi: use :c:func: instead of :cpp:func
doc-rst: kernel-doc: fix a change introduced by mistake
[media] v4l2-ioctl.h add debug info for struct v4l2_ioctl_ops
[media] dvb_ringbuffer.h: some documentation improvements
[media] v4l2-ctrls.h: fully document the header file
[media] doc-rst: Fix some typedef ugly warnings
[media] doc-rst: reorganize the kAPI v4l2 chapters
[media] rename v4l2-framework.rst to v4l2-intro.rst
[media] move V4L2 clocks to a separate .rst file
[media] v4l2-fh.rst: add cross references and markups
[media] v4l2-fh.rst: add fh contents from v4l2-framework.rst
[media] v4l2-fh.h: add documentation for it
[media] v4l2-event.rst: add cross-references and markups
[media] v4l2-event.h: document all functions
[media] v4l2-event.rst: add text from v4l2-framework.rst
[media] v4l2-framework.rst: remove videobuf quick chapter
[media] v4l2-dev: add cross-references and improve markup
[media] doc-rst: move v4l2-dev doc to a separate file
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- new framework support for HDMI CEC and remote control support
- new encoding codec driver for Mediatek SoC
- new frontend driver: helene tuner
- added support for NetUp almost universal devices, with supports
DVB-C/S/S2/T/T2 and ISDB-T
- the mn88472 frontend driver got promoted from staging
- a new driver for RCar video input
- some soc_camera legacy drivers got removed: timb, omap1, mx2, mx3
- lots of driver cleanups, improvements and fixups
* tag 'media/v4.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (377 commits)
[media] cec: always check all_device_types and features
[media] cec: poll should check if there is room in the tx queue
[media] vivid: support monitor all mode
[media] cec: fix test for unconfigured adapter in main message loop
[media] cec: limit the size of the transmit queue
[media] cec: zero unused msg part after msg->len
[media] cec: don't set fh to NULL in CEC_TRANSMIT
[media] cec: clear all status fields before transmit and always fill in sequence
[media] cec: CEC_RECEIVE overwrote the timeout field
[media] cxd2841er: Reading SNR for DVB-C added
[media] cxd2841er: Reading BER and UCB for DVB-C added
[media] cxd2841er: fix switch-case for DVB-C
[media] cxd2841er: fix signal strength scale for ISDB-T
[media] cxd2841er: adjust the dB scale for DVB-C
[media] cxd2841er: provide signal strength for DVB-C
[media] cxd2841er: fix BER report via DVBv5 stats API
[media] mb86a20s: apply mask to val after checking for read failure
[media] airspy: fix error logic during device register
[media] s5p-cec/TODO: add TODO item
[media] cec/TODO: drop comment about sphinx documentation
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull pstore subsystem updates from Kees Cook:
"This expands the supported compressors, fixes some bugs, and finally
adds DT bindings"
* tag 'pstore-v4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
pstore/ram: add Device Tree bindings
efi-pstore: implement efivars_pstore_exit()
pstore: drop file opened reference count
pstore: add lzo/lz4 compression support
pstore: Cleanup pstore_dump()
pstore: Enable compression on normal path (again)
ramoops: Only unregister when registered
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git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux
Pull orangefs updates from Mike Mashall:
"Orangefs cleanups and enablement of O_DIRECT in open.
Cleanups:
- remove some unused defines, and also some obfuscatory ones.
- remove a redundant xattr handler.
- Remove useless xattr prefix arguments.
- Be more picky about uid and gid handling WRT namespaces.
Our use of current_user_ns() instead of init_user_ns left open the
possibility that users could spoof their uids or gids when the
server was running in a different namespace in "default security"
mode.
- Allow open(2) to succeed with O_DIRECT"
* tag 'for-linus-4.8-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux:
orangefs: fix namespace handling
Orangefs: allow O_DIRECT in open
orangefs: Remove useless xattr prefix arguments
orangefs: Remove redundant "trusted." xattr handler
orangefs: Remove useless defines
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o:
"The major change this cycle is deleting ext4's copy of the file system
encryption code and switching things over to using the copies in
fs/crypto. I've updated the MAINTAINERS file to add an entry for
fs/crypto listing Jaeguk Kim and myself as the maintainers.
There are also a number of bug fixes, most notably for some problems
found by American Fuzzy Lop (AFL) courtesy of Vegard Nossum. Also
fixed is a writeback deadlock detected by generic/130, and some
potential races in the metadata checksum code"
* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (21 commits)
ext4: verify extent header depth
ext4: short-cut orphan cleanup on error
ext4: fix reference counting bug on block allocation error
MAINTAINRES: fs-crypto maintainers update
ext4 crypto: migrate into vfs's crypto engine
ext2: fix filesystem deadlock while reading corrupted xattr block
ext4: fix project quota accounting without quota limits enabled
ext4: validate s_reserved_gdt_blocks on mount
ext4: remove unused page_idx
ext4: don't call ext4_should_journal_data() on the journal inode
ext4: Fix WARN_ON_ONCE in ext4_commit_super()
ext4: fix deadlock during page writeback
ext4: correct error value of function verifying dx checksum
ext4: avoid modifying checksum fields directly during checksum verification
ext4: check for extents that wrap around
jbd2: make journal y2038 safe
jbd2: track more dependencies on transaction commit
jbd2: move lockdep tracking to journal_s
jbd2: move lockdep instrumentation for jbd2 handles
ext4: respect the nobarrier mount option in nojournal mode
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull PNP update from Rafael Wysocki:
"One simple change to make the PNP core use device_initcall() instead
of module_init() to run pnpbios_thread_init() (Paul Gortmaker)"
* tag 'pnp-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PNP: make pnpbios core explicitly non-modular
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"The new feaures here are the support for ACPI overlays (allowing ACPI
tables to be loaded at any time from EFI variables or via configfs)
and the LPI (Low-Power Idle) support. Also notable is the ACPI-based
NUMA support for ARM64.
Apart from that we have two new drivers, for the DPTF (Dynamic Power
and Thermal Framework) power participant device and for the Intel
Broxton WhiskeyCove PMIC, some more PMIC-related changes, support for
the Boot Error Record Table (BERT) in APEI and support for
platform-initiated graceful shutdown.
Plus two new pieces of documentation and usual assorted fixes and
cleanups in quite a few places.
Specifics:
- Support for ACPI SSDT overlays allowing Secondary System
Description Tables (SSDTs) to be loaded at any time from EFI
variables or via configfs (Octavian Purdila, Mika Westerberg).
- Support for the ACPI LPI (Low-Power Idle) feature introduced in
ACPI 6.0 and allowing processor idle states to be represented in
ACPI tables in a hierarchical way (with the help of Processor
Container objects) and support for ACPI idle states management on
ARM64, based on LPI (Sudeep Holla).
- General improvements of ACPI support for NUMA and ARM64 support for
ACPI-based NUMA (Hanjun Guo, David Daney, Robert Richter).
- General improvements of the ACPI table upgrade mechanism and ARM64
support for that feature (Aleksey Makarov, Jon Masters).
- Support for the Boot Error Record Table (BERT) in APEI and
improvements of kernel messages printed by the error injection code
(Huang Ying, Borislav Petkov).
- New driver for the Intel Broxton WhiskeyCove PMIC operation region
and support for the REGS operation region on Broxton, PMIC code
cleanups (Bin Gao, Felipe Balbi, Paul Gortmaker).
- New driver for the power participant device which is part of the
Dynamic Power and Thermal Framework (DPTF) and DPTF-related code
reorganization (Srinivas Pandruvada).
- Support for the platform-initiated graceful shutdown feature
introduced in ACPI 6.1 (Prashanth Prakash).
- ACPI button driver update related to lid input events generated
automatically on initialization and system resume that have been
problematic for some time (Lv Zheng).
- ACPI EC driver cleanups (Lv Zheng).
- Documentation of the ACPICA release automation process and the
in-kernel ACPI AML debugger (Lv Zheng).
- New blacklist entry and two fixes for the ACPI backlight driver
(Alex Hung, Arvind Yadav, Ralf Gerbig).
- Cleanups of the ACPI pci_slot driver (Joe Perches, Paul Gortmaker).
- ACPI CPPC code changes to make it more robust against possible
defects in ACPI tables and new symbol definitions for PCC (Hoan
Tran).
- System reboot code modification to execute the ACPI _PTS (Prepare
To Sleep) method in addition to _TTS (Ocean He).
- ACPICA-related change to carry out lock ordering checks in ACPICA
if ACPICA debug is enabled in the kernel (Lv Zheng).
- Assorted minor fixes and cleanups (Andy Shevchenko, Baoquan He,
Bhaktipriya Shridhar, Paul Gortmaker, Rafael Wysocki)"
* tag 'acpi-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (71 commits)
ACPI: enable ACPI_PROCESSOR_IDLE on ARM64
arm64: add support for ACPI Low Power Idle(LPI)
drivers: firmware: psci: initialise idle states using ACPI LPI
cpuidle: introduce CPU_PM_CPU_IDLE_ENTER macro for ARM{32, 64}
arm64: cpuidle: drop __init section marker to arm_cpuidle_init
ACPI / processor_idle: Add support for Low Power Idle(LPI) states
ACPI / processor_idle: introduce ACPI_PROCESSOR_CSTATE
ACPI / DPTF: move int340x_thermal.c to the DPTF folder
ACPI / DPTF: Add DPTF power participant driver
ACPI / lpat: make it explicitly non-modular
ACPI / dock: make dock explicitly non-modular
ACPI / PCI: make pci_slot explicitly non-modular
ACPI / PMIC: remove modular references from non-modular code
ACPICA: Linux: Enable ACPI_MUTEX_DEBUG for Linux kernel
ACPI: Rename configfs.c to acpi_configfs.c to prevent link error
ACPI / debugger: Add AML debugger documentation
ACPI: Add documentation describing ACPICA release automation
ACPI: add support for loading SSDTs via configfs
ACPI: add support for configfs
efi / ACPI: load SSTDs from EFI variables
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"Again, the majority of changes go into the cpufreq subsystem, but
there are no big features this time. The cpufreq changes that stand
out somewhat are the governor interface rework and improvements
related to the handling of frequency tables. Apart from those, there
are fixes and new device/CPU IDs in drivers, cleanups and an
improvement of the new schedutil governor.
Next, there are some changes in the hibernation core, including a fix
for a nasty problem related to the MONITOR/MWAIT usage by CPU offline
during resume from hibernation, a few core improvements related to
memory management during resume, a couple of additional debug features
and cleanups.
Finally, we have some fixes and cleanups in the devfreq subsystem,
generic power domains framework improvements related to system
suspend/resume, support for some new chips in intel_idle and in the
power capping RAPL driver, a new version of the AnalyzeSuspend utility
and some assorted fixes and cleanups.
Specifics:
- Rework the cpufreq governor interface to make it more
straightforward and modify the conservative governor to avoid using
transition notifications (Rafael Wysocki).
- Rework the handling of frequency tables by the cpufreq core to make
it more efficient (Viresh Kumar).
- Modify the schedutil governor to reduce the number of wakeups it
causes to occur in cases when the CPU frequency doesn't need to be
changed (Steve Muckle, Viresh Kumar).
- Fix some minor issues and clean up code in the cpufreq core and
governors (Rafael Wysocki, Viresh Kumar).
- Add Intel Broxton support to the intel_pstate driver (Srinivas
Pandruvada).
- Fix problems related to the config TDP feature and to the validity
of the MSR_HWP_INTERRUPT register in intel_pstate (Jan Kiszka,
Srinivas Pandruvada).
- Make intel_pstate update the cpu_frequency tracepoint even if the
frequency doesn't change to avoid confusing powertop (Rafael
Wysocki).
- Clean up the usage of __init/__initdata in intel_pstate, mark some
of its internal variables as __read_mostly and drop an unused
structure element from it (Jisheng Zhang, Carsten Emde).
- Clean up the usage of some duplicate MSR symbols in intel_pstate
and turbostat (Srinivas Pandruvada).
- Update/fix the powernv, s3c24xx and mvebu cpufreq drivers (Akshay
Adiga, Viresh Kumar, Ben Dooks).
- Fix a regression (introduced during the 4.5 cycle) in the
pcc-cpufreq driver by reverting the problematic commit (Andreas
Herrmann).
- Add support for Intel Denverton to intel_idle, clean up Broxton
support in it and make it explicitly non-modular (Jacob Pan, Jan
Beulich, Paul Gortmaker).
- Add support for Denverton and Ivy Bridge server to the Intel RAPL
power capping driver and make it more careful about the handing of
MSRs that may not be present (Jacob Pan, Xiaolong Wang).
- Fix resume from hibernation on x86-64 by making the CPU offline
during resume avoid using MONITOR/MWAIT in the "play dead" loop
which may lead to an inadvertent "revival" of a "dead" CPU and a
page fault leading to a kernel crash from it (Rafael Wysocki).
- Make memory management during resume from hibernation more
straightforward (Rafael Wysocki).
- Add debug features that should help to detect problems related to
hibernation and resume from it (Rafael Wysocki, Chen Yu).
- Clean up hibernation core somewhat (Rafael Wysocki).
- Prevent KASAN from instrumenting the hibernation core which leads
to large numbers of false-positives from it (James Morse).
- Prevent PM (hibernate and suspend) notifiers from being called
during the cleanup phase if they have not been called during the
corresponding preparation phase which is possible if one of the
other notifiers returns an error at that time (Lianwei Wang).
- Improve suspend-related debug printout in the tasks freezer and
clean up suspend-related console handling (Roger Lu, Borislav
Petkov).
- Update the AnalyzeSuspend script in the kernel sources to version
4.2 (Todd Brandt).
- Modify the generic power domains framework to make it handle system
suspend/resume better (Ulf Hansson).
- Make the runtime PM framework avoid resuming devices synchronously
when user space changes the runtime PM settings for them and
improve its error reporting (Rafael Wysocki, Linus Walleij).
- Fix error paths in devfreq drivers (exynos, exynos-ppmu,
exynos-bus) and in the core, make some devfreq code explicitly
non-modular and change some of it into tristate (Bartlomiej
Zolnierkiewicz, Peter Chen, Paul Gortmaker).
- Add DT support to the generic PM clocks management code and make it
export some more symbols (Jon Hunter, Paul Gortmaker).
- Make the PCI PM core code slightly more robust against possible
driver errors (Andy Shevchenko).
- Make it possible to change DESTDIR and PREFIX in turbostat (Andy
Shevchenko)"
* tag 'pm-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (89 commits)
Revert "cpufreq: pcc-cpufreq: update default value of cpuinfo_transition_latency"
PM / hibernate: Introduce test_resume mode for hibernation
cpufreq: export cpufreq_driver_resolve_freq()
cpufreq: Disallow ->resolve_freq() for drivers providing ->target_index()
PCI / PM: check all fields in pci_set_platform_pm()
cpufreq: acpi-cpufreq: use cached frequency mapping when possible
cpufreq: schedutil: map raw required frequency to driver frequency
cpufreq: add cpufreq_driver_resolve_freq()
cpufreq: intel_pstate: Check cpuid for MSR_HWP_INTERRUPT
intel_pstate: Update cpu_frequency tracepoint every time
cpufreq: intel_pstate: clean remnant struct element
PM / tools: scripts: AnalyzeSuspend v4.2
x86 / hibernate: Use hlt_play_dead() when resuming from hibernation
cpufreq: powernv: Replacing pstate_id with frequency table index
intel_pstate: Fix MSR_CONFIG_TDP_x addressing in core_get_max_pstate()
PM / hibernate: Image data protection during restoration
PM / hibernate: Add missing braces in __register_nosave_region()
PM / hibernate: Clean up comments in snapshot.c
PM / hibernate: Clean up function headers in snapshot.c
PM / hibernate: Add missing braces in hibernate_setup()
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git://git.infradead.org/users/dvhart/linux-platform-drivers-x86
Pull x8 platform driver updates from Darren Hart:
"Several new quirks and tweaks for new platforms to existing laptop
drivers. A new ACPI virtual power button driver, similar to the
intel-hid driver. A rework of the dell keymap, using a single sparse
keymap for all machines. A few fixes and cleanups.
Summary:
intel-vbtn:
- new driver for Intel Virtual Button
intel_pmc_core:
- Convert to DEFINE_DEBUGFS_ATTRIBUTE
fujitsu-laptop:
- Rework brightness of eco led
asus-wmi:
- Add quirk_no_rfkill_wapf4 for the Asus X456UA
- Add quirk_no_rfkill_wapf4 for the Asus X456UF
- Add quirk_no_rfkill for the Asus Z550MA
- Add quirk_no_rfkill for the Asus U303LB
- Add quirk_no_rfkill for the Asus N552VW
- Create quirk for airplane_mode LED
- Add ambient light sensor toggle key
asus-wireless:
- Toggle airplane mode LED
intel_telemetry:
- Remove Monitor MWAIT feature dependency
intel-hid:
- Remove duplicated acpi_remove_notify_handler
fujitsu-laptop:
- Add support for eco LED
- Support touchpad toggle hotkey on Skylake-based models
- Remove unused macros
- Use module name in debug messages
hp-wmi:
- Fix wifi cannot be hard-unblocked
toshiba_acpi:
- Bump driver version and update copyright year
- Remove the position sysfs entry
- Add IIO interface for accelerometer axis data
dell-wmi:
- Add a WMI event code for display on/off
- Generate one sparse keymap for all machines
- Add information about other WMI event codes
- Sort WMI event codes and update comments
- Ignore WMI event code 0xe045"
* tag 'platform-drivers-x86-v4.8-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86: (26 commits)
intel-vbtn: new driver for Intel Virtual Button
intel_pmc_core: Convert to DEFINE_DEBUGFS_ATTRIBUTE
fujitsu-laptop: Rework brightness of eco led
asus-wmi: Add quirk_no_rfkill_wapf4 for the Asus X456UA
asus-wmi: Add quirk_no_rfkill_wapf4 for the Asus X456UF
asus-wmi: Add quirk_no_rfkill for the Asus Z550MA
asus-wmi: Add quirk_no_rfkill for the Asus U303LB
asus-wmi: Add quirk_no_rfkill for the Asus N552VW
asus-wmi: Create quirk for airplane_mode LED
asus-wireless: Toggle airplane mode LED
intel_telemetry: Remove Monitor MWAIT feature dependency
intel-hid: Remove duplicated acpi_remove_notify_handler
asus-wmi: Add ambient light sensor toggle key
fujitsu-laptop: Add support for eco LED
fujitsu-laptop: Support touchpad toggle hotkey on Skylake-based models
fujitsu-laptop: Remove unused macros
fujitsu-laptop: Use module name in debug messages
hp-wmi: Fix wifi cannot be hard-unblocked
toshiba_acpi: Bump driver version and update copyright year
toshiba_acpi: Remove the position sysfs entry
...
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper updates from Mike Snitzer:
- initially based on Jens' 'for-4.8/core' (given all the flag churn)
and later merged with 'for-4.8/core' to pickup the QUEUE_FLAG_DAX
commits that DM depends on to provide its DAX support
- clean up the bio-based vs request-based DM core code by moving the
request-based DM core code out to dm-rq.[hc]
- reinstate bio-based support in the DM multipath target (done with the
idea that fast storage like NVMe over Fabrics could benefit) -- while
preserving support for request_fn and blk-mq request-based DM mpath
- SCSI and DM multipath persistent reservation fixes that were
coordinated with Martin Petersen.
- the DM raid target saw the most extensive change this cycle; it now
provides reshape and takeover support (by layering ontop of the
corresponding MD capabilities)
- DAX support for DM core and the linear, stripe and error targets
- a DM thin-provisioning block discard vs allocation race fix that
addresses potential for corruption
- a stable fix for DM verity-fec's block calculation during decode
- a few cleanups and fixes to DM core and various targets
* tag 'dm-4.8-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (73 commits)
dm: allow bio-based table to be upgraded to bio-based with DAX support
dm snap: add fake origin_direct_access
dm stripe: add DAX support
dm error: add DAX support
dm linear: add DAX support
dm: add infrastructure for DAX support
dm thin: fix a race condition between discarding and provisioning a block
dm btree: fix a bug in dm_btree_find_next_single()
dm raid: fix random optimal_io_size for raid0
dm raid: address checkpatch.pl complaints
dm: call PR reserve/unreserve on each underlying device
sd: don't use the ALL_TG_PT bit for reservations
dm: fix second blk_delay_queue() parameter to be in msec units not jiffies
dm raid: change logical functions to actually return bool
dm raid: use rdev_for_each in status
dm raid: use rs->raid_disks to avoid memory leaks on free
dm raid: support delta_disks for raid1, fix table output
dm raid: enhance reshape check and factor out reshape setup
dm raid: allow resize during recovery
dm raid: fix rs_is_recovering() to allow for lvextend
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Pull block driver updates from Jens Axboe:
"This branch also contains core changes. I've come to the conclusion
that from 4.9 and forward, I'll be doing just a single branch. We
often have dependencies between core and drivers, and it's hard to
always split them up appropriately without pulling core into drivers
when that happens.
That said, this contains:
- separate secure erase type for the core block layer, from
Christoph.
- set of discard fixes, from Christoph.
- bio shrinking fixes from Christoph, as a followup up to the
op/flags change in the core branch.
- map and append request fixes from Christoph.
- NVMeF (NVMe over Fabrics) code from Christoph. This is pretty
exciting!
- nvme-loop fixes from Arnd.
- removal of ->driverfs_dev from Dan, after providing a
device_add_disk() helper.
- bcache fixes from Bhaktipriya and Yijing.
- cdrom subchannel read fix from Vchannaiah.
- set of lightnvm updates from Wenwei, Matias, Johannes, and Javier.
- set of drbd updates and fixes from Fabian, Lars, and Philipp.
- mg_disk error path fix from Bart.
- user notification for failed device add for loop, from Minfei.
- NVMe in general:
+ NVMe delay quirk from Guilherme.
+ SR-IOV support and command retry limits from Keith.
+ fix for memory-less NUMA node from Masayoshi.
+ use UINT_MAX for discard sectors, from Minfei.
+ cancel IO fixes from Ming.
+ don't allocate unused major, from Neil.
+ error code fixup from Dan.
+ use constants for PSDT/FUSE from James.
+ variable init fix from Jay.
+ fabrics fixes from Ming, Sagi, and Wei.
+ various fixes"
* 'for-4.8/drivers' of git://git.kernel.dk/linux-block: (115 commits)
nvme/pci: Provide SR-IOV support
nvme: initialize variable before logical OR'ing it
block: unexport various bio mapping helpers
scsi/osd: open code blk_make_request
target: stop using blk_make_request
block: simplify and export blk_rq_append_bio
block: ensure bios return from blk_get_request are properly initialized
virtio_blk: use blk_rq_map_kern
memstick: don't allow REQ_TYPE_BLOCK_PC requests
block: shrink bio size again
block: simplify and cleanup bvec pool handling
block: get rid of bio_rw and READA
block: don't ignore -EOPNOTSUPP blkdev_issue_write_same
block: introduce BLKDEV_DISCARD_ZERO to fix zeroout
NVMe: don't allocate unused nvme_major
nvme: avoid crashes when node 0 is memoryless node.
nvme: Limit command retries
loop: Make user notify for adding loop device failed
nvme-loop: fix nvme-loop Kconfig dependencies
nvmet: fix return value check in nvmet_subsys_alloc()
...
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Pull core block updates from Jens Axboe:
- the big change is the cleanup from Mike Christie, cleaning up our
uses of command types and modified flags. This is what will throw
some merge conflicts
- regression fix for the above for btrfs, from Vincent
- following up to the above, better packing of struct request from
Christoph
- a 2038 fix for blktrace from Arnd
- a few trivial/spelling fixes from Bart Van Assche
- a front merge check fix from Damien, which could cause issues on
SMR drives
- Atari partition fix from Gabriel
- convert cfq to highres timers, since jiffies isn't granular enough
for some devices these days. From Jan and Jeff
- CFQ priority boost fix idle classes, from me
- cleanup series from Ming, improving our bio/bvec iteration
- a direct issue fix for blk-mq from Omar
- fix for plug merging not involving the IO scheduler, like we do for
other types of merges. From Tahsin
- expose DAX type internally and through sysfs. From Toshi and Yigal
* 'for-4.8/core' of git://git.kernel.dk/linux-block: (76 commits)
block: Fix front merge check
block: do not merge requests without consulting with io scheduler
block: Fix spelling in a source code comment
block: expose QUEUE_FLAG_DAX in sysfs
block: add QUEUE_FLAG_DAX for devices to advertise their DAX support
Btrfs: fix comparison in __btrfs_map_block()
block: atari: Return early for unsupported sector size
Doc: block: Fix a typo in queue-sysfs.txt
cfq-iosched: Charge at least 1 jiffie instead of 1 ns
cfq-iosched: Fix regression in bonnie++ rewrite performance
cfq-iosched: Convert slice_resid from u64 to s64
block: Convert fifo_time from ulong to u64
blktrace: avoid using timespec
block/blk-cgroup.c: Declare local symbols static
block/bio-integrity.c: Add #include "blk.h"
block/partition-generic.c: Remove a set-but-not-used variable
block: bio: kill BIO_MAX_SIZE
cfq-iosched: temporarily boost queue priority for idle classes
block: drbd: avoid to use BIO_MAX_SIZE
block: bio: remove BIO_MAX_SECTORS
...
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
Pull libata updates from Tejun Heo:
"libata saw quite a bit of activities in this cycle:
- SMR drive support still being worked on
- bug fixes and improvements to misc SCSI command emulation
- some low level driver updates"
* 'for-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: (39 commits)
libata-scsi: better style in ata_msense_*()
AHCI: Clear GHC.IS to prevent unexpectly asserting INTx
ata: sata_dwc_460ex: remove redundant dev_err call
ata: define ATA_PROT_* in terms of ATA_PROT_FLAG_*
libata: remove ATA_PROT_FLAG_DATA
libata: remove ata_is_nodata
ata: make lba_{28,48}_ok() use ATA_MAX_SECTORS{,_LBA48}
libata-scsi: minor cleanup for ata_scsi_zbc_out_xlat
libata-scsi: Fix ZBC management out command translation
libata-scsi: Fix translation of REPORT ZONES command
ata: Handle ATA NCQ NO-DATA commands correctly
libata-eh: decode all taskfile protocols
ata: fixup ATA_PROT_NODATA
libsas: use ata_is_ncq() and ata_has_dma() accessors
libata: use ata_is_ncq() accessors
libata: return boolean values from ata_is_*
libata-scsi: avoid repeated calculation of number of TRIM ranges
libata-scsi: reject WRITE SAME (16) with n_block that exceeds limit
libata-scsi: rename ata_msense_ctl_mode() to ata_msense_control()
libata-scsi: fix D_SENSE bit relection in control mode page
...
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|
git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup updates from Tejun Heo:
"Nothing too exciting.
- updates to the pids controller so that pid limit breaches can be
noticed and monitored from userland.
- cleanups and non-critical bug fixes"
* 'for-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cgroup: remove duplicated include from cgroup.c
cgroup: Use lld instead of ld when printing pids controller events_limit
cgroup: Add pids controller event when fork fails because of pid limit
cgroup: allow NULL return from ss->css_alloc()
cgroup: remove unnecessary 0 check from css_from_id()
cgroup: fix idr leak for the first cgroup root
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"Here is the crypto update for 4.8:
API:
- first part of skcipher low-level conversions
- add KPP (Key-agreement Protocol Primitives) interface.
Algorithms:
- fix IPsec/cryptd reordering issues that affects aesni
- RSA no longer does explicit leading zero removal
- add SHA3
- add DH
- add ECDH
- improve DRBG performance by not doing CTR by hand
Drivers:
- add x86 AVX2 multibuffer SHA256/512
- add POWER8 optimised crc32c
- add xts support to vmx
- add DH support to qat
- add RSA support to caam
- add Layerscape support to caam
- add SEC1 AEAD support to talitos
- improve performance by chaining requests in marvell/cesa
- add support for Araneus Alea I USB RNG
- add support for Broadcom BCM5301 RNG
- add support for Amlogic Meson RNG
- add support Broadcom NSP SoC RNG"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (180 commits)
crypto: vmx - Fix aes_p8_xts_decrypt build failure
crypto: vmx - Ignore generated files
crypto: vmx - Adding support for XTS
crypto: vmx - Adding asm subroutines for XTS
crypto: skcipher - add comment for skcipher_alg->base
crypto: testmgr - Print akcipher algorithm name
crypto: marvell - Fix wrong flag used for GFP in mv_cesa_dma_add_iv_op
crypto: nx - off by one bug in nx_of_update_msc()
crypto: rsa-pkcs1pad - fix rsa-pkcs1pad request struct
crypto: scatterwalk - Inline start/map/done
crypto: scatterwalk - Remove unnecessary BUG in scatterwalk_start
crypto: scatterwalk - Remove unnecessary advance in scatterwalk_pagedone
crypto: scatterwalk - Fix test in scatterwalk_done
crypto: api - Optimise away crypto_yield when hard preemption is on
crypto: scatterwalk - add no-copy support to copychunks
crypto: scatterwalk - Remove scatterwalk_bytes_sglen
crypto: omap - Stop using crypto scatterwalk_bytes_sglen
crypto: skcipher - Remove top-level givcipher interface
crypto: user - Remove crypto_lookup_skcipher call
crypto: cts - Convert to skcipher
...
|
|
Pull documentation updates from Jonathan Corbet:
"Some big changes this month, headlined by the addition of a new
formatted documentation mechanism based on the Sphinx system.
The objectives here are to make it easier to create better-integrated
(and more attractive) documents while (eventually) dumping our
one-of-a-kind, cobbled-together system for something that is widely
used and maintained by others. There's a fair amount of information
what's being done, why, and how to use it in:
https://lwn.net/Articles/692704/
https://lwn.net/Articles/692705/
Closer to home, Documentation/kernel-documentation.rst describes how
it works.
For now, the new system exists alongside the old one; you should soon
see the GPU documentation converted over in the DRM pull and some
significant media conversion work as well. Once all the docs have
been moved over and we're convinced that the rough edges (of which are
are a few) have been smoothed over, the DocBook-based stuff should go
away.
Primary credit is to Jani Nikula for doing the heavy lifting to make
this stuff actually work; there has also been notable effort from
Markus Heiser, Daniel Vetter, and Mauro Carvalho Chehab.
Expect a couple of conflicts on the new index.rst file over the course
of the merge window; they are trivially resolvable. That file may be
a bit of a conflict magnet in the short term, but I don't expect that
situation to last for any real length of time.
Beyond that, of course, we have the usual collection of tweaks,
updates, and typo fixes"
* tag 'docs-for-linus' of git://git.lwn.net/linux: (77 commits)
doc-rst: kernel-doc: fix handling of address_space tags
Revert "doc/sphinx: Enable keep_warnings"
doc-rst: kernel-doc directive, fix state machine reporter
docs: deprecate kernel-doc-nano-HOWTO.txt
doc/sphinx: Enable keep_warnings
Documentation: add watermark_scale_factor to the list of vm systcl file
kernel-doc: Fix up warning output
docs: Get rid of some kernel-documentation warnings
doc-rst: add an option to ignore DocBooks when generating docs
workqueue: Fix a typo in workqueue.txt
Doc: ocfs: Fix typo in filesystems/ocfs2-online-filecheck.txt
Documentation/sphinx: skip build if user requested specific DOCBOOKS
Documentation: add cleanmediadocs to the documentation targets
Add .pyc files to .gitignore
Doc: PM: Fix a typo in intel_powerclamp.txt
doc-rst: flat-table directive - initial implementation
Documentation: add meta-documentation for Sphinx and kernel-doc
Documentation: tiny typo fix in usb/gadget_multi.txt
Documentation: fix wrong value in md.txt
bcache: documentation formatting, edited for clarity, stripe alignment notes
...
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Martin Schwidefsky:
"There are a couple of new things for s390 with this merge request:
- a new scheduling domain "drawer" is added to reflect the unusual
topology found on z13 machines. Performance tests showed up to 8
percent gain with the additional domain.
- the new crc-32 checksum crypto module uses the vector-galois-field
multiply and sum SIMD instruction to speed up crc-32 and crc-32c.
- proper __ro_after_init support, this requires RO_AFTER_INIT_DATA in
the generic vmlinux.lds linker script definitions.
- kcov instrumentation support. A prerequisite for that is the
inline assembly basic block cleanup, which is the reason for the
net/iucv/iucv.c change.
- support for 2GB pages is added to the hugetlbfs backend.
Then there are two removals:
- the oprofile hardware sampling support is dead code and is removed.
The oprofile user space uses the perf interface nowadays.
- the ETR clock synchronization is removed, this has been superseeded
be the STP clock synchronization. And it always has been
"interesting" code..
And the usual bug fixes and cleanups"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (82 commits)
s390/pci: Delete an unnecessary check before the function call "pci_dev_put"
s390/smp: clean up a condition
s390/cio/chp : Remove deprecated create_singlethread_workqueue
s390/chsc: improve channel path descriptor determination
s390/chsc: sanitize fmt check for chp_desc determination
s390/cio: make fmt1 channel path descriptor optional
s390/chsc: fix ioctl CHSC_INFO_CU command
s390/cio/device_ops: fix kernel doc
s390/cio: allow to reset channel measurement block
s390/console: Make preferred console handling more consistent
s390/mm: fix gmap tlb flush issues
s390/mm: add support for 2GB hugepages
s390: have unique symbol for __switch_to address
s390/cpuinfo: show maximum thread id
s390/ptrace: clarify bits in the per_struct
s390: stack address vs thread_info
s390: remove pointless load within __switch_to
s390: enable kcov support
s390/cpumf: use basic block for ecctr inline assembly
s390/hypfs: use basic block for diag inline assembly
...
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|
Pull KVM leftovers from Radim Krčmář:
"This is a combination of two pull requests for 4.7-rc8 that were not
merged due to looking hairy. I have changed the tag message to focus
on circumstances of contained reverts as they were likely the reason
behind rejection.
This merge introduces three patches that are later reverted,
- Switching of MSR_TSC_AUX in SVM was thought to cause a host
misbehavior, but it was later cleared of those doubts and the patch
moved code to a hot path, so we reverted it. That patch also
needed a fix for 32 bit builds and both were reverted in one go.
- Al Viro noticed that a fix for a leak in an error path was not
valid with the given API and provided a better fix, so the original
patch was reverted.
Then there are two VMX fixes that move code around because VMCS was
not accessed between vcpu_load() and vcpu_put(), a simple ARM VHE fix,
and two one-liners for PML and MTRR"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
arm64: KVM: VHE: Context switch MDSCR_EL1
KVM: VMX: handle PML full VMEXIT that occurs during event delivery
Revert "KVM: SVM: fix trashing of MSR_TSC_AUX"
KVM: SVM: do not set MSR_TSC_AUX on 32-bit builds
KVM: don't use anon_inode_getfd() before possible failures
Revert "KVM: release anon file in failure path of vm creation"
KVM: release anon file in failure path of vm creation
KVM: nVMX: Fix memory corruption when using VMCS shadowing
kvm: vmx: ensure VMCS is current while enabling PML
KVM: SVM: fix trashing of MSR_TSC_AUX
KVM: MTRR: fix kvm_mtrr_check_gfn_range_consistency page fault
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
"This tree contains tooling fixes plus some additions:
- fixes to the vdso2c build environment that Stephen Rothwell is
using for the linux-next build (Arnaldo Carvalho de Melo)
- AVX-512 instruction mappings (Adrian Hunter)
- misc fixes"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
Revert "perf tools: event.h needs asm/perf_regs.h"
x86: Make the vdso2c compiler use the host architecture headers
tools build: Fix objtool build with ARCH=x86_64
objtool: Always use host headers
objtool: Use tools/scripts/Makefile.arch to get ARCH and HOSTARCH
tools build: Add HOSTARCH Makefile variable
perf tests kmod-path: Fix build on ubuntu:16.04-x-armhf
perf tools: Add AVX-512 instructions to the new instructions test
perf tools: Add AVX-512 support to the instruction decoder used by Intel PT
x86/insn: Add AVX-512 support to the instruction decoder
x86/insn: perf tools: Fix vcvtph2ps instruction decoding
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"The irq department delivers:
- new core infrastructure to allow better management of multi-queue
devices (interrupt spreading, node aware descriptor allocation ...)
- a new interrupt flow handler to support the new fangled Intel VMD
devices.
- yet another new interrupt controller driver.
- a series of fixes which addresses sparse warnings, missing
includes, missing static declarations etc from Ben Dooks.
- a fix for the error handling in the hierarchical domain allocation
code.
- the usual pile of small updates to core and driver code"
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (46 commits)
genirq: Fix missing irq allocation affinity hint
irqdomain: Fix irq_domain_alloc_irqs_recursive() error handling
irq/Documentation: Correct result of echnoing 5 to smp_affinity
MAINTAINERS: Remove Jiang Liu from irq domains
genirq/msi: Fix broken debug output
genirq: Add a helper to spread an affinity mask for MSI/MSI-X vectors
genirq/msi: Make use of affinity aware allocations
genirq: Use affinity hint in irqdesc allocation
genirq: Add affinity hint to irq allocation
genirq: Introduce IRQD_AFFINITY_MANAGED flag
genirq/msi: Remove unused MSI_FLAG_IDENTITY_MAP
irqchip/s3c24xx: Fixup IO accessors for big endian
irqchip/exynos-combiner: Fix usage of __raw IO
irqdomain: Fix disposal of mappings for interrupt hierarchies
irqchip/aspeed-vic: Add irq controller for Aspeed
doc/devicetree: Add Aspeed VIC bindings
x86/PCI/VMD: Use untracked irq handler
genirq: Add untracked irq handler
irqchip/mips-gic: Populate irq_domain names
irqchip/gicv3-its: Implement two-level(indirect) device table support
...
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|
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer updates from Thomas Gleixner:
"This update provides the following changes:
- The rework of the timer wheel which addresses the shortcomings of
the current wheel (cascading, slow search for next expiring timer,
etc). That's the first major change of the wheel in almost 20
years since Finn implemted it.
- A large overhaul of the clocksource drivers init functions to
consolidate the Device Tree initialization
- Some more Y2038 updates
- A capability fix for timerfd
- Yet another clock chip driver
- The usual pile of updates, comment improvements all over the place"
* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (130 commits)
tick/nohz: Optimize nohz idle enter
clockevents: Make clockevents_subsys static
clocksource/drivers/time-armada-370-xp: Fix return value check
timers: Implement optimization for same expiry time in mod_timer()
timers: Split out index calculation
timers: Only wake softirq if necessary
timers: Forward the wheel clock whenever possible
timers/nohz: Remove pointless tick_nohz_kick_tick() function
timers: Optimize collect_expired_timers() for NOHZ
timers: Move __run_timers() function
timers: Remove set_timer_slack() leftovers
timers: Switch to a non-cascading wheel
timers: Reduce the CPU index space to 256k
timers: Give a few structs and members proper names
hlist: Add hlist_is_singular_node() helper
signals: Use hrtimer for sigtimedwait()
timers: Remove the deprecated mod_timer_pinned() API
timers, net/ipv4/inet: Initialize connection request timers as pinned
timers, drivers/tty/mips_ejtag: Initialize the poll timer as pinned
timers, drivers/tty/metag_da: Initialize the poll timer as pinned
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fix from Ingo Molnar:
"Leftover fix from the v4.7 cycle: adds a reboot quirk"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/reboot: Add Dell Optiplex 7450 AIO reboot quirk
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 timer updates from Ingo Molnar:
"The main change in this tree is the reworking, fixing and extension of
the TSC frequency enumeration code (by Len Brown)"
* 'x86-timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/tsc: Remove the unused check_tsc_disabled()
x86/tsc: Enumerate BXT tsc_khz via CPUID
x86/tsc: Enumerate SKL cpu_khz and tsc_khz via CPUID
x86/tsc_msr: Remove irqoff around MSR-based TSC enumeration
x86/tsc_msr: Add Airmont reference clock values
x86/tsc_msr: Correct Silvermont reference clock values
x86/tsc_msr: Update comments, expand definitions
x86/tsc_msr: Remove debugging messages
x86/tsc_msr: Identify Intel-specific code
Revert "x86/tsc: Add missing Cherrytrail frequency to the table"
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 platform updates from Ingo Molnar:
"The main changes in this cycle were:
- Intel-SoC enhancements (Andy Shevchenko)
- Intel CPU symbolic model definition rework (Dave Hansen)
- ... other misc changes"
* 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (25 commits)
x86/sfi: Enable enumeration of SD devices
x86/pci: Use MRFLD abbreviation for Merrifield
x86/platform/intel-mid: Make vertical indentation consistent
x86/platform/intel-mid: Mark regulators explicitly defined
x86/platform/intel-mid: Rename mrfl.c to mrfld.c
x86/platform/intel-mid: Enable spidev on Intel Edison boards
x86/platform/intel-mid: Extend PWRMU to support Penwell
x86/pci, x86/platform/intel_mid_pci: Remove duplicate power off code
x86/platform/intel-mid: Add pinctrl for Intel Merrifield
x86/platform/intel-mid: Enable GPIO expanders on Edison
x86/platform/intel-mid: Add Power Management Unit driver
x86/platform/atom/punit: Enable support for Merrifield
x86/platform/intel_mid_pci: Rework IRQ0 workaround
x86, thermal: Clean up and fix CPU model detection for intel_soc_dts_thermal
x86, mmc: Use Intel family name macros for mmc driver
x86/intel_telemetry: Use Intel family name macros for telemetry driver
x86/acpi/lss: Use Intel family name macros for the acpi_lpss driver
x86/cpufreq: Use Intel family name macros for the intel_pstate cpufreq driver
x86/platform: Use new Intel model number macros
x86/intel_idle: Use Intel family macros for intel_idle
...
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|
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fpu updates from Ingo Molnar:
"The main x86 FPU changes in this cycle were:
- a large series of cleanups, fixes and enhancements to re-enable the
XSAVES instruction on Intel CPUs - which is the most advanced
instruction to do FPU context switches (Yu-cheng Yu, Fenghua Yu)
- Add FPU tracepoints for the FPU state machine (Dave Hansen)"
* 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/fpu: Do not BUG_ON() in early FPU code
x86/fpu/xstate: Re-enable XSAVES
x86/fpu/xstate: Fix fpstate_init() for XRSTORS
x86/fpu/xstate: Return NULL for disabled xstate component address
x86/fpu/xstate: Fix __fpu_restore_sig() for XSAVES
x86/fpu/xstate: Fix xstate_offsets, xstate_sizes for non-extended xstates
x86/fpu/xstate: Fix XSTATE component offset print out
x86/fpu/xstate: Fix PTRACE frames for XSAVES
x86/fpu/xstate: Fix supervisor xstate component offset
x86/fpu/xstate: Align xstate components according to CPUID
x86/fpu/xstate: Copy xstate registers directly to the signal frame when compacted format is in use
x86/fpu/xstate: Keep init_fpstate.xsave.header.xfeatures as zero for init optimization
x86/fpu/xstate: Rename 'xstate_size' to 'fpu_kernel_xstate_size', to distinguish it from 'fpu_user_xstate_size'
x86/fpu/xstate: Define and use 'fpu_user_xstate_size'
x86/fpu: Add tracepoints to dump FPU state at key points
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 stackdump update from Ingo Molnar:
"A number of stackdump enhancements"
* 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/dumpstack: Add show_stack_regs() and use it
printk: Make the printk*once() variants return a value
x86/dumpstack: Honor supplied @regs arg
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|
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cleanups from Ingo Molnar:
"Three small cleanups"
* 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
lguest: Read offset of device_cap later
lguest: Read length of device_cap later
x86: Do away with ARCH_[WANT_OPTIONAL|REQUIRE]_GPIOLIB
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|
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 build updates from Ingo Molnar:
"A build system fix and a cleanup"
* 'x86-build-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
kbuild: Remove stale asm-generic wrappers
kbuild, x86: Track generated headers with generated-y
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 boot updates from Ingo Molnar:
"The main changes:
- add initial commits to randomize kernel memory section virtual
addresses, enabled via a new kernel option: RANDOMIZE_MEMORY
(Thomas Garnier, Kees Cook, Baoquan He, Yinghai Lu)
- enhance KASLR (RANDOMIZE_BASE) physical memory randomization (Kees
Cook)
- EBDA/BIOS region boot quirk cleanups (Andy Lutomirski, Ingo Molnar)
- misc cleanups/fixes"
* 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/boot: Simplify EBDA-vs-BIOS reservation logic
x86/boot: Clarify what x86_legacy_features.reserve_bios_regions does
x86/boot: Reorganize and clean up the BIOS area reservation code
x86/mm: Do not reference phys addr beyond kernel
x86/mm: Add memory hotplug support for KASLR memory randomization
x86/mm: Enable KASLR for vmalloc memory regions
x86/mm: Enable KASLR for physical mapping memory regions
x86/mm: Implement ASLR for kernel memory regions
x86/mm: Separate variable for trampoline PGD
x86/mm: Add PUD VA support for physical mapping
x86/mm: Update physical mapping variable names
x86/mm: Refactor KASLR entropy functions
x86/KASLR: Fix boot crash with certain memory configurations
x86/boot/64: Add forgotten end of function marker
x86/KASLR: Allow randomization below the load address
x86/KASLR: Extend kernel image physical address randomization to addresses larger than 4G
x86/KASLR: Randomize virtual address separately
x86/KASLR: Clarify identity map interface
x86/boot: Refuse to build with data relocations
x86/KASLR, x86/power: Remove x86 hibernation restrictions
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 mm updates from Ingo Molnar:
"Various x86 low level modifications:
- preparatory work to support virtually mapped kernel stacks (Andy
Lutomirski)
- support for 64-bit __get_user() on 32-bit kernels (Benjamin
LaHaise)
- (involved) workaround for Knights Landing CPU erratum (Dave Hansen)
- MPX enhancements (Dave Hansen)
- mremap() extension to allow remapping of the special VDSO vma, for
purposes of user level context save/restore (Dmitry Safonov)
- hweight and entry code cleanups (Borislav Petkov)
- bitops code generation optimizations and cleanups with modern GCC
(H. Peter Anvin)
- syscall entry code optimizations (Paolo Bonzini)"
* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (43 commits)
x86/mm/cpa: Add missing comment in populate_pdg()
x86/mm/cpa: Fix populate_pgd(): Stop trying to deallocate failed PUDs
x86/syscalls: Add compat_sys_preadv64v2/compat_sys_pwritev64v2
x86/smp: Remove unnecessary initialization of thread_info::cpu
x86/smp: Remove stack_smp_processor_id()
x86/uaccess: Move thread_info::addr_limit to thread_struct
x86/dumpstack: Rename thread_struct::sig_on_uaccess_error to sig_on_uaccess_err
x86/uaccess: Move thread_info::uaccess_err and thread_info::sig_on_uaccess_err to thread_struct
x86/dumpstack: When OOPSing, rewind the stack before do_exit()
x86/mm/64: In vmalloc_fault(), use CR3 instead of current->active_mm
x86/dumpstack/64: Handle faults when printing the "Stack: " part of an OOPS
x86/dumpstack: Try harder to get a call trace on stack overflow
x86/mm: Remove kernel_unmap_pages_in_pgd() and efi_cleanup_page_tables()
x86/mm/cpa: In populate_pgd(), don't set the PGD entry until it's populated
x86/mm/hotplug: Don't remove PGD entries in remove_pagetable()
x86/mm: Use pte_none() to test for empty PTE
x86/mm: Disallow running with 32-bit PTEs to work around erratum
x86/mm: Ignore A/D bits in pte/pmd/pud_none()
x86/mm: Move swap offset/type up in PTE to work around erratum
x86/entry: Inline enter_from_user_mode()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86/apic updates from Ingo Molnar:
"Misc cleanups and a small fix"
* 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/apic: Remove the unused struct apic::apic_id_mask field
x86/apic: Fix misspelled APIC
x86/ioapic: Simplify ioapic_setup_resources()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull NOHZ updates from Ingo Molnar:
- fix system/idle cputime leaked on cputime accounting (all nohz
configs) (Rik van Riel)
- remove the messy, ad-hoc irqtime account on nohz-full and make it
compatible with CONFIG_IRQ_TIME_ACCOUNTING=y instead (Rik van Riel)
- cleanups (Frederic Weisbecker)
- remove unecessary irq disablement in the irqtime code (Rik van Riel)
* 'timers-nohz-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/cputime: Drop local_irq_save/restore from irqtime_account_irq()
sched/cputime: Reorganize vtime native irqtime accounting headers
sched/cputime: Clean up the old vtime gen irqtime accounting completely
sched/cputime: Replace VTIME_GEN irq time code with IRQ_TIME_ACCOUNTING code
sched/cputime: Count actually elapsed irq & softirq time
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:
- introduce and use task_rcu_dereference()/try_get_task_struct() to fix
and generalize task_struct handling (Oleg Nesterov)
- do various per entity load tracking (PELT) fixes and optimizations
(Peter Zijlstra)
- cputime virt-steal time accounting enhancements/fixes (Wanpeng Li)
- introduce consolidated cputime output file cpuacct.usage_all and
related refactorings (Zhao Lei)
- ... plus misc fixes and enhancements
* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/core: Panic on scheduling while atomic bugs if kernel.panic_on_warn is set
sched/cpuacct: Introduce cpuacct.usage_all to show all CPU stats together
sched/cpuacct: Use loop to consolidate code in cpuacct_stats_show()
sched/cpuacct: Merge cpuacct_usage_index and cpuacct_stat_index enums
sched/fair: Rework throttle_count sync
sched/core: Fix sched_getaffinity() return value kerneldoc comment
sched/fair: Reorder cgroup creation code
sched/fair: Apply more PELT fixes
sched/fair: Fix PELT integrity for new tasks
sched/cgroup: Fix cpu_cgroup_fork() handling
sched/fair: Fix PELT integrity for new groups
sched/fair: Fix and optimize the fork() path
sched/cputime: Add steal time support to full dynticks CPU time accounting
sched/cputime: Fix prev steal time accouting during CPU hotplug
KVM: Fix steal clock warp during guest CPU hotplug
sched/debug: Always show 'nr_migrations'
sched/fair: Use task_rcu_dereference()
sched/api: Introduce task_rcu_dereference() and try_get_task_struct()
sched/idle: Optimize the generic idle loop
sched/fair: Fix the wrong throttled clock time for cfs_rq_clock_task()
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Linux 4.7
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Ingo Molnar:
"With over 300 commits it's been a busy cycle - with most of the work
concentrated on the tooling side (as it should).
The main kernel side enhancements were:
- Add per event callchain limit: Recently we introduced a sysctl to
tune the max-stack for all events for which callchains were
requested:
$ sysctl kernel.perf_event_max_stack
kernel.perf_event_max_stack = 127
Now this patch introduces a way to configure this per event, i.e.
this becomes possible:
$ perf record -e sched:*/max-stack=2/ -e block:*/max-stack=10/ -a
allowing finer tuning of how much buffer space callchains use.
This uses an u16 from the reserved space at the end, leaving
another u16 for future use.
There has been interest in even finer tuning, namely to control the
max stack for kernel and userspace callchains separately. Further
discussion is needed, we may for instance use the remaining u16 for
that and when it is present, assume that the sample_max_stack
introduced in this patch applies for the kernel, and the u16 left
is used for limiting the userspace callchain (Arnaldo Carvalho de
Melo)
- Optimize AUX event (hardware assisted side-band event) delivery
(Kan Liang)
- Rework Intel family name macro usage (this is partially x86 arch
work) (Dave Hansen)
- Refine and fix Intel LBR support (David Carrillo-Cisneros)
- Add support for Intel 'TopDown' events (Andi Kleen)
- Intel uncore PMU driver fixes and enhancements (Kan Liang)
- ... other misc changes.
Here's an incomplete list of the tooling enhancements (but there's
much more, see the shortlog and the git log for details):
- Support cross unwinding, i.e. collecting '--call-graph dwarf'
perf.data files in one machine and then doing analysis in another
machine of a different hardware architecture. This enables, for
instance, to do:
$ perf record -a --call-graph dwarf
on a x86-32 or aarch64 system and then do 'perf report' on it on a
x86_64 workstation (He Kuang)
- Allow reading from a backward ring buffer (one setup via
sys_perf_event_open() with perf_event_attr.write_backward = 1)
(Wang Nan)
- Finish merging initial SDT (Statically Defined Traces) support, see
cset comments for details about how it all works (Masami Hiramatsu)
- Support attaching eBPF programs to tracepoints (Wang Nan)
- Add demangling of symbols in programs written in the Rust language
(David Tolnay)
- Add support for tracepoints in the python binding, including an
example, that sets up and parses sched:sched_switch events,
tools/perf/python/tracepoint.py (Jiri Olsa)
- Introduce --stdio-color to set up the color output mode selection
in 'annotate' and 'report', allowing emit color escape sequences
when redirecting the output of these tools (Arnaldo Carvalho de
Melo)
- Add 'callindent' option to 'perf script -F', to indent the Intel PT
call stack, making this output more ftrace-like (Adrian Hunter,
Andi Kleen)
- Allow dumping the object files generated by llvm when processing
eBPF scriptlet events (Wang Nan)
- Add stackcollapse.py script to help generating flame graphs (Paolo
Bonzini)
- Add --ldlat option to 'perf mem' to specify load latency for loads
event (e.g. cpu/mem-loads/ ) (Jiri Olsa)
- Tooling support for Intel TopDown counters, recently added to the
kernel (Andi Kleen)"
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (303 commits)
perf tests: Add is_printable_array test
perf tools: Make is_printable_array global
perf script python: Fix string vs byte array resolving
perf probe: Warn unmatched function filter correctly
perf cpu_map: Add more helpers
perf stat: Balance opening and reading events
tools: Copy linux/{hash,poison}.h and check for drift
perf tools: Remove include/linux/list.h from perf's MANIFEST
tools: Copy the bitops files accessed from the kernel and check for drift
Remove: kernel unistd*h files from perf's MANIFEST, not used
perf tools: Remove tools/perf/util/include/linux/const.h
perf tools: Remove tools/perf/util/include/asm/byteorder.h
perf tools: Add missing linux/compiler.h include to perf-sys.h
perf jit: Remove some no-op error handling
perf jit: Add missing curly braces
objtool: Initialize variable to silence old compiler
objtool: Add -I$(srctree)/tools/arch/$(ARCH)/include/uapi
perf record: Add --tail-synthesize option
perf session: Don't warn about out of order event if write_backward is used
perf tools: Enable overwrite settings
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RAS updates from Ingo Molnar:
"The biggest change in this cycle was an enhancement by Yazen Ghannam
to reduce the number of MCE error injection related IPIs.
The rest are smaller fixes"
* 'ras-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mce: Fix mce_rdmsrl() warning message
x86/RAS/AMD: Reduce the number of IPIs when prepping error injection
x86/mce/AMD: Increase size of the bank_map type
x86/mce: Do not use bank 1 for APEI generated error logs
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking updates from Ingo Molnar:
"The locking tree was busier in this cycle than the usual pattern - a
couple of major projects happened to coincide.
The main changes are:
- implement the atomic_fetch_{add,sub,and,or,xor}() API natively
across all SMP architectures (Peter Zijlstra)
- add atomic_fetch_{inc/dec}() as well, using the generic primitives
(Davidlohr Bueso)
- optimize various aspects of rwsems (Jason Low, Davidlohr Bueso,
Waiman Long)
- optimize smp_cond_load_acquire() on arm64 and implement LSE based
atomic{,64}_fetch_{add,sub,and,andnot,or,xor}{,_relaxed,_acquire,_release}()
on arm64 (Will Deacon)
- introduce smp_acquire__after_ctrl_dep() and fix various barrier
mis-uses and bugs (Peter Zijlstra)
- after discovering ancient spin_unlock_wait() barrier bugs in its
implementation and usage, strengthen its semantics and update/fix
usage sites (Peter Zijlstra)
- optimize mutex_trylock() fastpath (Peter Zijlstra)
- ... misc fixes and cleanups"
* 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (67 commits)
locking/atomic: Introduce inc/dec variants for the atomic_fetch_$op() API
locking/barriers, arch/arm64: Implement LDXR+WFE based smp_cond_load_acquire()
locking/static_keys: Fix non static symbol Sparse warning
locking/qspinlock: Use __this_cpu_dec() instead of full-blown this_cpu_dec()
locking/atomic, arch/tile: Fix tilepro build
locking/atomic, arch/m68k: Remove comment
locking/atomic, arch/arc: Fix build
locking/Documentation: Clarify limited control-dependency scope
locking/atomic, arch/rwsem: Employ atomic_long_fetch_add()
locking/atomic, arch/qrwlock: Employ atomic_fetch_add_acquire()
locking/atomic, arch/mips: Convert to _relaxed atomics
locking/atomic, arch/alpha: Convert to _relaxed atomics
locking/atomic: Remove the deprecated atomic_{set,clear}_mask() functions
locking/atomic: Remove linux/atomic.h:atomic_fetch_or()
locking/atomic: Implement atomic{,64,_long}_fetch_{add,sub,and,andnot,or,xor}{,_relaxed,_acquire,_release}()
locking/atomic: Fix atomic64_relaxed() bits
locking/atomic, arch/xtensa: Implement atomic_fetch_{add,sub,and,or,xor}()
locking/atomic, arch/x86: Implement atomic{,64}_fetch_{add,sub,and,or,xor}()
locking/atomic, arch/tile: Implement atomic{,64}_fetch_{add,sub,and,or,xor}()
locking/atomic, arch/sparc: Implement atomic{,64}_fetch_{add,sub,and,or,xor}()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI updates from Ingo Molnar:
"The biggest change in this cycle were SGI/UV related changes that
clean up and fix UV boot quirks and problems.
There's also various smaller cleanups and refinements"
* 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi: Reorganize the GUID table to make it easier to read
x86/efi: Remove the unused efi_get_time() function
x86/efi: Update efi_thunk() to use the the arch_efi_call_virt*() macros
x86/uv: Update uv_bios_call() to use efi_call_virt_pointer()
efi: Convert efi_call_virt() to efi_call_virt_pointer()
x86/efi: Remove unused variable 'efi'
efi: Document #define FOO_PROTOCOL_GUID layout
efibc: Report more information in the error messages
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU updates from Ingo Molnar:
"The main changes in this cycle were:
- documentation updates
- miscellaneous fixes
- minor reorganization of code
- torture-test updates"
* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (30 commits)
rcu: Correctly handle sparse possible cpus
rcu: sysctl: Panic on RCU Stall
rcu: Fix a typo in a comment
rcu: Make call_rcu_tasks() tolerate first call with irqs disabled
rcu: Disable TASKS_RCU for usermode Linux
rcu: No ordering for rcu_assign_pointer() of NULL
rcutorture: Fix error return code in rcu_perf_init()
torture: Inflict default jitter
rcuperf: Don't treat gp_exp mis-setting as a WARN
rcutorture: Drop "-soundhw pcspkr" from x86 boot arguments
rcutorture: Don't specify the cpu type of QEMU on PPC
rcutorture: Make -soundhw a x86 specific option
rcutorture: Use vmlinux as the fallback kernel image
rcutorture/doc: Create initrd using dracut
torture: Stop onoff task if there is only one cpu
torture: Add starvation events to error summary
torture: Break online and offline functions out of torture_onoff()
torture: Forgive lengthy trace dumps and preemption
torture: Remove CONFIG_RCU_TORTURE_TEST_RUNNABLE, simplify code
torture: Simplify code, eliminate RCU_PERF_TEST_RUNNABLE
...
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git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core
Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:
- Add AVX-512 support to the instruction decoder, used by Intel PT,
fix vcvtph2ps instruction decoding (Adrian Hunter)
- Make objtool and vdso2c use the right arch header search path
(Stephen Rothwell, Josh Poimboeuf, Arnaldo Carvalho de Melo)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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This reverts commit e083a21fcac9311ca425e600a15332f4792c56cc.
Not needed at all, tools/perf/util/perf_regs.h, included via:
#include "perf_regs.h"
Should have a definition for PERF_REGS_MAX, and since this is dependent
on HAVE_PERF_REGS_SUPPORT, fixes the build on powerpc, noticed by trying
to cross compile this from ubuntu16.04 with a locally build libz &
elfutils pair, since those are not available in multilib packages.
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/n/tip-0bv204s71t4wuw1l53b6fz79@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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To be clear: this is a ppc64le hosted, x86_64 target cross build.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Andy Lutomirski <luto@kernel.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20160723150845.3af8e452@canb.auug.org.au
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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* pm-cpu:
x86: remove duplicate turbo ratio limit MSRs
tools/power turbostat: Replace MSR_NHM_TURBO_RATIO_LIMIT
cpufreq: intel_pstate: Replace MSR_NHM_TURBO_RATIO_LIMIT
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* powercap:
powercap / RAPL: Add support for Ivy Bridge server
powercap / RAPL: add support for Denverton
powercap / RAPL: handle missing MSRs
powercap / RAPL: reduce message loglevel
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* pm-cpuidle:
intel_idle: correct BXT support
intel_idle: re-work bxt_idle_state_table_update() and its helper
idle_intel: Add Denverton
drivers/idle: make intel_idle.c driver more explicitly non-modular
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* pm-cpufreq: (41 commits)
Revert "cpufreq: pcc-cpufreq: update default value of cpuinfo_transition_latency"
cpufreq: export cpufreq_driver_resolve_freq()
cpufreq: Disallow ->resolve_freq() for drivers providing ->target_index()
cpufreq: acpi-cpufreq: use cached frequency mapping when possible
cpufreq: schedutil: map raw required frequency to driver frequency
cpufreq: add cpufreq_driver_resolve_freq()
cpufreq: intel_pstate: Check cpuid for MSR_HWP_INTERRUPT
intel_pstate: Update cpu_frequency tracepoint every time
cpufreq: intel_pstate: clean remnant struct element
cpufreq: powernv: Replacing pstate_id with frequency table index
intel_pstate: Fix MSR_CONFIG_TDP_x addressing in core_get_max_pstate()
cpufreq: Reuse new freq-table helpers
cpufreq: Handle sorted frequency tables more efficiently
cpufreq: Drop redundant check from cpufreq_update_current_freq()
intel_pstate: Declare pid_params/pstate_funcs/hwp_active __read_mostly
intel_pstate: add __init/__initdata marker to some functions/variables
intel_pstate: Fix incorrect placement of __initdata
cpufreq: mvebu: fix integer to pointer cast
cpufreq: intel_pstate: Broxton support
cpufreq: conservative: Do not use transition notifications
...
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* pm-core:
PM / runtime: Asynchronous "idle" in pm_runtime_allow()
PM / runtime: print error when activating a child to unactive parent
* pm-clk:
PM / clk: Add support for adding a specific clock from device-tree
PM / clk: export symbols for existing pm_clk_<...> API fcns
* pm-domains:
PM / Domains: Convert pm_genpd_init() to return an error code
PM / Domains: Stop/start devices during system PM suspend/resume in genpd
PM / Domains: Allow runtime PM during system PM phases
PM / Runtime: Avoid resuming devices again in pm_runtime_force_resume()
PM / Domains: Remove redundant pm_request_idle() call in genpd
PM / Domains: Remove redundant wrapper functions for system PM
PM / Domains: Allow genpd to power on during system PM phases
* pm-pci:
PCI / PM: check all fields in pci_set_platform_pm()
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* pm-devfreq:
PM / devfreq: exynos-bus: add missing of_node_put after calling of_parse_phandle
PM / devfreq: add missing of_node_put after calling of_parse_phandle
PM / devfreq: exynos-ppmu: fix error path in exynos_ppmu_probe()
PM / devfreq: exynos: fix error path in exynos_bus_probe()
PM / devfreq: make event/exynos-ppmu DEVFREQ_EVENT_EXYNOS_PPMU tristate
PM / devfreq: make event/exynos-nocp DEVFREQ_EVENT_EXYNOS_NOCP tristate
PM / devfreq: make exynos-bus ARM_EXYNOS_BUS_DEVFREQ tristate
PM / devfreq: make devfreq-event explicitly non-modular
PM / devfreq: make devfreq explicitly non-modular
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* pm-sleep:
PM / hibernate: Introduce test_resume mode for hibernation
x86 / hibernate: Use hlt_play_dead() when resuming from hibernation
PM / hibernate: Image data protection during restoration
PM / hibernate: Add missing braces in __register_nosave_region()
PM / hibernate: Clean up comments in snapshot.c
PM / hibernate: Clean up function headers in snapshot.c
PM / hibernate: Add missing braces in hibernate_setup()
PM / hibernate: Recycle safe pages after image restoration
PM / hibernate: Simplify mark_unsafe_pages()
PM / hibernate: Do not free preallocated safe pages during image restore
PM / suspend: show workqueue state in suspend flow
PM / sleep: make PM notifiers called symmetrically
PM / sleep: Make pm_prepare_console() return void
PM / Hibernate: Don't let kasan instrument snapshot.c
* pm-tools:
PM / tools: scripts: AnalyzeSuspend v4.2
tools/turbostat: allow user to alter DESTDIR and PREFIX
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