- ACPICA update to upstream version 20140424. That includes a
number of fixes and improvements related to things like GPE
handling, table loading, headers, memory mapping and unmapping,
DSDT/SSDT overriding, and the Unload() operator. The acpidump
utility from upstream ACPICA is included too. From Bob Moore,
Lv Zheng, David Box, David Binderman, and Colin Ian King.
- Fixes and cleanups related to ACPI video and backlight interfaces
from Hans de Goede. That includes blacklist entries for some new
machines and using native backlight by default.
- ACPI device enumeration changes to create platform devices
rather than PNP devices for ACPI device objects with _HID by
default. PNP devices will still be created for the ACPI device
object with device IDs corresponding to real PNP devices, so
that change should not break things left and right, and we're
expecting to see more and more ACPI-enumerated platform devices
in the future. From Zhang Rui and Rafael J Wysocki.
- Updates for the ACPI LPSS (Low-Power Subsystem) driver allowing
it to handle system suspend/resume on Asus T100 correctly.
From Heikki Krogerus and Rafael J Wysocki.
- PM core update introducing a mechanism to allow runtime-suspended
devices to stay suspended over system suspend/resume transitions
if certain additional conditions related to coordination within
device hierarchy are met. Related PM documentation update and
ACPI PM domain support for the new feature. From Rafael J Wysocki.
- Fixes and improvements related to the "freeze" sleep state. They
affect several places including cpuidle, PM core, ACPI core, and
the ACPI battery driver. From Rafael J Wysocki and Zhang Rui.
- Miscellaneous fixes and updates of the ACPI core from Aaron Lu,
Bjørn Mork, Hanjun Guo, Lan Tianyu, and Rafael J Wysocki.
- Fixes and cleanups for the ACPI processor and ACPI PAD (Processor
Aggregator Device) drivers from Baoquan He, Manuel Schölling,
Tony Camuso, and Toshi Kani.
- System suspend/resume optimization in the ACPI battery driver from
Lan Tianyu.
- OPP (Operating Performance Points) subsystem updates from
Chander Kashyap, Mark Brown, and Nishanth Menon.
- cpufreq core fixes, updates and cleanups from Srivatsa S Bhat,
Stratos Karafotis, and Viresh Kumar.
- Updates, fixes and cleanups for the Tegra, powernow-k8, imx6q,
s5pv210, nforce2, and powernv cpufreq drivers from Brian Norris,
Jingoo Han, Paul Bolle, Philipp Zabel, Stratos Karafotis, and
Viresh Kumar.
- intel_pstate driver fixes and cleanups from Dirk Brandewie,
Doug Smythies, and Stratos Karafotis.
- Enabling the big.LITTLE cpufreq driver on arm64 from Mark Brown.
- Fix for the cpuidle menu governor from Chander Kashyap.
- New ARM clps711x cpuidle driver from Alexander Shiyan.
- Hibernate core fixes and cleanups from Chen Gang, Dan Carpenter,
Fabian Frederick, Pali Rohár, and Sebastian Capella.
- Intel RAPL (Running Average Power Limit) driver updates from
Jacob Pan.
- PNP subsystem updates from Bjorn Helgaas and Fabian Frederick.
- devfreq core updates from Chanwoo Choi and Paul Bolle.
- devfreq updates for exynos4 and exynos5 from Chanwoo Choi and
Bartlomiej Zolnierkiewicz.
- turbostat tool fix from Jean Delvare.
- cpupower tool updates from Prarit Bhargava, Ramkumar Ramachandra
and Thomas Renninger.
- New ACPI ec_access.c tool for poking at the EC in a safe way
from Thomas Renninger.
/
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Merge tag 'pm+acpi-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm into next
Pull ACPI and power management updates from Rafael Wysocki:
"ACPICA is the leader this time (63 commits), followed by cpufreq (28
commits), devfreq (15 commits), system suspend/hibernation (12
commits), ACPI video and ACPI device enumeration (10 commits each).
We have no major new features this time, but there are a few
significant changes of how things work. The most visible one will
probably be that we are now going to create platform devices rather
than PNP devices by default for ACPI device objects with _HID. That
was long overdue and will be really necessary to be able to use the
same drivers for the same hardware blocks on ACPI and DT-based systems
going forward. We're not expecting fallout from this one (as usual),
but it's something to watch nevertheless.
The second change having a chance to be visible is that ACPI video
will now default to using native backlight rather than the ACPI
backlight interface which should generally help systems with broken
Win8 BIOSes. We're hoping that all problems with the native backlight
handling that we had previously have been addressed and we are in a
good enough shape to flip the default, but this change should be easy
enough to revert if need be.
In addition to that, the system suspend core has a new mechanism to
allow runtime-suspended devices to stay suspended throughout system
suspend/resume transitions if some extra conditions are met
(generally, they are related to coordination within device hierarchy).
However, enabling this feature requires cooperation from the bus type
layer and for now it has only been implemented for the ACPI PM domain
(used by ACPI-enumerated platform devices mostly today).
Also, the acpidump utility that was previously shipped as a separate
tool will now be provided by the upstream ACPICA along with the rest
of ACPICA code, which will allow it to be more up to date and better
supported, and we have one new cpuidle driver (ARM clps711x).
The rest is improvements related to certain specific use cases,
cleanups and fixes all over the place.
Specifics:
- ACPICA update to upstream version 20140424. That includes a number
of fixes and improvements related to things like GPE handling,
table loading, headers, memory mapping and unmapping, DSDT/SSDT
overriding, and the Unload() operator. The acpidump utility from
upstream ACPICA is included too. From Bob Moore, Lv Zheng, David
Box, David Binderman, and Colin Ian King.
- Fixes and cleanups related to ACPI video and backlight interfaces
from Hans de Goede. That includes blacklist entries for some new
machines and using native backlight by default.
- ACPI device enumeration changes to create platform devices rather
than PNP devices for ACPI device objects with _HID by default. PNP
devices will still be created for the ACPI device object with
device IDs corresponding to real PNP devices, so that change should
not break things left and right, and we're expecting to see more
and more ACPI-enumerated platform devices in the future. From
Zhang Rui and Rafael J Wysocki.
- Updates for the ACPI LPSS (Low-Power Subsystem) driver allowing it
to handle system suspend/resume on Asus T100 correctly. From
Heikki Krogerus and Rafael J Wysocki.
- PM core update introducing a mechanism to allow runtime-suspended
devices to stay suspended over system suspend/resume transitions if
certain additional conditions related to coordination within device
hierarchy are met. Related PM documentation update and ACPI PM
domain support for the new feature. From Rafael J Wysocki.
- Fixes and improvements related to the "freeze" sleep state. They
affect several places including cpuidle, PM core, ACPI core, and
the ACPI battery driver. From Rafael J Wysocki and Zhang Rui.
- Miscellaneous fixes and updates of the ACPI core from Aaron Lu,
Bjørn Mork, Hanjun Guo, Lan Tianyu, and Rafael J Wysocki.
- Fixes and cleanups for the ACPI processor and ACPI PAD (Processor
Aggregator Device) drivers from Baoquan He, Manuel Schölling, Tony
Camuso, and Toshi Kani.
- System suspend/resume optimization in the ACPI battery driver from
Lan Tianyu.
- OPP (Operating Performance Points) subsystem updates from Chander
Kashyap, Mark Brown, and Nishanth Menon.
- cpufreq core fixes, updates and cleanups from Srivatsa S Bhat,
Stratos Karafotis, and Viresh Kumar.
- Updates, fixes and cleanups for the Tegra, powernow-k8, imx6q,
s5pv210, nforce2, and powernv cpufreq drivers from Brian Norris,
Jingoo Han, Paul Bolle, Philipp Zabel, Stratos Karafotis, and
Viresh Kumar.
- intel_pstate driver fixes and cleanups from Dirk Brandewie, Doug
Smythies, and Stratos Karafotis.
- Enabling the big.LITTLE cpufreq driver on arm64 from Mark Brown.
- Fix for the cpuidle menu governor from Chander Kashyap.
- New ARM clps711x cpuidle driver from Alexander Shiyan.
- Hibernate core fixes and cleanups from Chen Gang, Dan Carpenter,
Fabian Frederick, Pali Rohár, and Sebastian Capella.
- Intel RAPL (Running Average Power Limit) driver updates from Jacob
Pan.
- PNP subsystem updates from Bjorn Helgaas and Fabian Frederick.
- devfreq core updates from Chanwoo Choi and Paul Bolle.
- devfreq updates for exynos4 and exynos5 from Chanwoo Choi and
Bartlomiej Zolnierkiewicz.
- turbostat tool fix from Jean Delvare.
- cpupower tool updates from Prarit Bhargava, Ramkumar Ramachandra
and Thomas Renninger.
- New ACPI ec_access.c tool for poking at the EC in a safe way from
Thomas Renninger"
* tag 'pm+acpi-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (187 commits)
ACPICA: Namespace: Remove _PRP method support.
intel_pstate: Improve initial busy calculation
intel_pstate: add sample time scaling
intel_pstate: Correct rounding in busy calculation
intel_pstate: Remove C0 tracking
PM / hibernate: fixed typo in comment
ACPI: Fix x86 regression related to early mapping size limitation
ACPICA: Tables: Add mechanism to control early table checksum verification.
ACPI / scan: use platform bus type by default for _HID enumeration
ACPI / scan: always register ACPI LPSS scan handler
ACPI / scan: always register memory hotplug scan handler
ACPI / scan: always register container scan handler
ACPI / scan: Change the meaning of missing .attach() in scan handlers
ACPI / scan: introduce platform_id device PNP type flag
ACPI / scan: drop unsupported serial IDs from PNP ACPI scan handler ID list
ACPI / scan: drop IDs that do not comply with the ACPI PNP ID rule
ACPI / PNP: use device ID list for PNPACPI device enumeration
ACPI / scan: .match() callback for ACPI scan handlers
ACPI / battery: wakeup the system only when necessary
power_supply: allow power supply devices registered w/o wakeup source
...
Pull HID patches from Jiri Kosina:
- RMI driver for Synaptics touchpads, by Benjamin Tissoires, Andrew
Duggan and Jiri Kosina
- cleanup of hid-sony driver and improved support for Sixaxis and
Dualshock 4, by Frank Praznik
- other usual small fixes and support for new device IDs
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (29 commits)
HID: thingm: thingm_fwinfo[] doesn't need to be global
HID: core: add two new usages for digitizer
HID: hid-sensor-hub: new device id and quirk for STM Sensor hub
HID: usbhid: enable NO_INIT_REPORTS quirk for Semico USB Keykoard
HID: hid-sensor-hub: Set report quirk for Microsoft Surface
HID: debug: add labels for HID Sensor Usages
HID: uhid: Use kmemdup instead of kmalloc + memcpy
HID: rmi: do not handle touchscreens through hid-rmi
HID: quirk for Saitek RAT7 and MMO7 mices' mode button
HID: core: fix validation of report id 0
HID: rmi: fix masks for x and w_x data
HID: rmi: fix wrong struct field name
HID: rmi: do not fetch more than 16 bytes in a query
HID: rmi: check for the existence of some optional queries before reading query 12
HID: i2c-hid: hid report descriptor retrieval changes
HID: add missing hid usages
HID: hid-sony - allow 3rd party INTEC controller to turn off all leds
HID: sony: Add blink support to the Sixaxis and DualShock 4 LEDs
HID: sony: Initialize the controller LEDs with a device ID value
HID: sony: Use the controller Bluetooth MAC address as the unique value in the battery name string
...
Pull trivial tree changes from Jiri Kosina:
"Usual pile of patches from trivial tree that make the world go round"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (23 commits)
staging: go7007: remove reference to CONFIG_KMOD
aic7xxx: Remove obsolete preprocessor define
of: dma: doc fixes
doc: fix incorrect formula to calculate CommitLimit value
doc: Note need of bc in the kernel build from 3.10 onwards
mm: Fix printk typo in dmapool.c
modpost: Fix comment typo "Modules.symvers"
Kconfig.debug: Grammar s/addition/additional/
wimax: Spelling s/than/that/, wording s/destinatary/recipient/
aic7xxx: Spelling s/termnation/termination/
arm64: mm: Remove superfluous "the" in comment
of: Spelling s/anonymouns/anonymous/
dma: imx-sdma: Spelling s/determnine/determine/
ath10k: Improve grammar in comments
ath6kl: Spelling s/determnine/determine/
of: Improve grammar for of_alias_get_id() documentation
drm/exynos: Spelling s/contro/control/
radio-bcm2048.c: fix wrong overflow check
doc: printk-formats: do not mention casts for u64/s64
doc: spelling error changes
...
was a pretty active cycle for KVM. Changes include:
- a lot of s390 changes: optimizations, support for migration,
GDB support and more
- ARM changes are pretty small: support for the PSCI 0.2 hypercall
interface on both the guest and the host (the latter acked by Catalin)
- initial POWER8 and little-endian host support
- support for running u-boot on embedded POWER targets
- pretty large changes to MIPS too, completing the userspace interface
and improving the handling of virtualized timer hardware
- for x86, a larger set of changes is scheduled for 3.17. Still,
we have a few emulator bugfixes and support for running nested
fully-virtualized Xen guests (para-virtualized Xen guests have
always worked). And some optimizations too.
The only missing architecture here is ia64. It's not a coincidence
that support for KVM on ia64 is scheduled for removal in 3.17.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm into next
Pull KVM updates from Paolo Bonzini:
"At over 200 commits, covering almost all supported architectures, this
was a pretty active cycle for KVM. Changes include:
- a lot of s390 changes: optimizations, support for migration, GDB
support and more
- ARM changes are pretty small: support for the PSCI 0.2 hypercall
interface on both the guest and the host (the latter acked by
Catalin)
- initial POWER8 and little-endian host support
- support for running u-boot on embedded POWER targets
- pretty large changes to MIPS too, completing the userspace
interface and improving the handling of virtualized timer hardware
- for x86, a larger set of changes is scheduled for 3.17. Still, we
have a few emulator bugfixes and support for running nested
fully-virtualized Xen guests (para-virtualized Xen guests have
always worked). And some optimizations too.
The only missing architecture here is ia64. It's not a coincidence
that support for KVM on ia64 is scheduled for removal in 3.17"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (203 commits)
KVM: add missing cleanup_srcu_struct
KVM: PPC: Book3S PR: Rework SLB switching code
KVM: PPC: Book3S PR: Use SLB entry 0
KVM: PPC: Book3S HV: Fix machine check delivery to guest
KVM: PPC: Book3S HV: Work around POWER8 performance monitor bugs
KVM: PPC: Book3S HV: Make sure we don't miss dirty pages
KVM: PPC: Book3S HV: Fix dirty map for hugepages
KVM: PPC: Book3S HV: Put huge-page HPTEs in rmap chain for base address
KVM: PPC: Book3S HV: Fix check for running inside guest in global_invalidates()
KVM: PPC: Book3S: Move KVM_REG_PPC_WORT to an unused register number
KVM: PPC: Book3S: Add ONE_REG register names that were missed
KVM: PPC: Add CAP to indicate hcall fixes
KVM: PPC: MPIC: Reset IRQ source private members
KVM: PPC: Graciously fail broken LE hypercalls
PPC: ePAPR: Fix hypercall on LE guest
KVM: PPC: BOOK3S: Remove open coded make_dsisr in alignment handler
KVM: PPC: BOOK3S: Always use the saved DAR value
PPC: KVM: Make NX bit available with magic page
KVM: PPC: Disable NX for old magic page using guests
KVM: PPC: BOOK3S: HV: Add mixed page-size support for guest
...
It is probably also the first one without a single patch from me. That
is down to a combination of factors, and I have some things in the works
that are not quite ready yet, that I hope to put in next time around.
Returning to what is here this time... we have 3 patches which fix
various warnings. Two are bug fixes (for quotas and also a
rare recovery race condition). The final patch, from Ben Marzinski,
is an important change in the freeze code which has been in
progress for some time. This removes the need to take and drop the
transaction lock for every single transaction, when the only time it
was used, was at file system freeze time. Ben's patch integrates the
freeze operation into the journal flush code as an alternative with
lower overheads and also lands up resolving some difficult to fix races
at the same time.
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Merge tag 'gfs2-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-nmw into next
Pull gfs2 updates from Steven Whitehouse:
"This must be about the smallest merge window patch set ever for GFS2.
It is probably also the first one without a single patch from me.
That is down to a combination of factors, and I have some things in
the works that are not quite ready yet, that I hope to put in next
time around.
Returning to what is here this time... we have 3 patches which fix
various warnings. Two are bug fixes (for quotas and also a rare
recovery race condition). The final patch, from Ben Marzinski, is an
important change in the freeze code which has been in progress for
some time. This removes the need to take and drop the transaction
lock for every single transaction, when the only time it was used, was
at file system freeze time. Ben's patch integrates the freeze
operation into the journal flush code as an alternative with lower
overheads and also lands up resolving some difficult to fix races at
the same time"
* tag 'gfs2-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-nmw:
GFS2: Prevent recovery before the local journal is set
GFS2: fs/gfs2/file.c: kernel-doc warning fixes
GFS2: fs/gfs2/bmap.c: kernel-doc warning fixes
GFS2: remove transaction glock
GFS2: lops.c: replace 0 by NULL for pointers
GFS2: quotas not being refreshed in gfs2_adjust_quota
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Merge tag 'locks-v3.16' of git://git.samba.org/jlayton/linux into next
Pull file locking changes from Jeff Layton:
"Pretty quiet on the file-locking related front this cycle. Just some
small cleanups and the addition of some tracepoints in the lease
handling code"
* tag 'locks-v3.16' of git://git.samba.org/jlayton/linux:
locks: add some tracepoints in the lease handling code
fs/locks.c: replace seq_printf by seq_puts
locks: ensure that fl_owner is always initialized properly in flock and lease codepaths
One optimization for some VIA controllers, one fix, one kconfig brushup.
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Merge tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394 into next
Pull firewire updates from Stefan Richter:
"IEEE 1394 (FireWire) subsystem changes: One optimization for some VIA
controllers, one fix, one kconfig brushup"
* tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
firewire: ohci: enable MSI for VIA VT6315 rev 1, drop cycle timer quirk
firewire: Use COMPILE_TEST for build testing
firewire: net: fix NULL derefencing in fwnet_probe()
The newly merged versatile sched clock support uses a deprecated
interface. Of course that patch got routed through the ARM tree instead
of going through the relevant maintainer tree.
Use the proper interface so we can get rid of the cruft.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull x86/UV changes from Ingo Molnar:
"Continued updates for SGI UV 3 hardware support"
* 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/UV: Fix conditional in gru_exit()
x86/UV: Set n_lshift based on GAM_GR_CONFIG MMR for UV3
Pull x86 RAS changes from Ingo Molnar:
"Improve mcheck device initialization and bootstrap robustness"
* 'x86-ras-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
mce: Panic when a core has reached a timeout
x86/mce: Improve mcheck_init_device() error handling
Pull x86 IOSF platform updates from Ingo Molnar:
"IOSF (Intel OnChip System Fabric) updates:
- generalize the IOSF interface to allow mixed mode drivers: non-IOSF
drivers to utilize of IOSF features on IOSF platforms.
- add 'Quark X1000' IOSF/MBI support
- clean up BayTrail and Quark PCI ID enumeration"
* 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, iosf: Add PCI ID macros for better readability
x86, iosf: Add Quark X1000 PCI ID
x86, iosf: Added Quark MBI identifiers
x86, iosf: Make IOSF driver modular and usable by more drivers
Pull x86 mm update from Ingo Molnar:
- speed up 256 GB PCI BAR ioremap()s
- speed up PTE swapout page reclaim case
* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, ioremap: Speed up check for RAM pages
x86/mm: In the PTE swapout page reclaim case clear the accessed bit instead of flushing the TLB
Pull x86 microcode changes from Ingo Molnar:
"A microcode-debugging boot flag plus related refactoring"
* 'x86-microcode-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, microcode: Add a disable chicken bit
x86, boot: Carve out early cmdline parsing function
Pull x86 irq cleanup from Ingo Molnar:
"A single, trivial cleanup"
* 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/irq: Clean up VECTOR_UNDEFINED and VECTOR_RETRIGGERED definition
Pull x86 build cleanups from Ingo Molnar:
"Two small build related cleanups"
* 'x86-build-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/build: Supress realmode.bin is up to date message
compiler-intel.h: Remove duplicate definition
Pull x86 boot changes from Ingo Molnar:
"Two small cleanups"
* 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, boot: Remove misc.h inclusion from compressed/string.c
x86, boot: Do not include boot.h in string.c
* acpi-tools:
ACPI / tools: Introduce ec_access.c - tool to access the EC
* pm-tools:
cpupower: Remove mc and smt power aware scheduler info/settings
cpupower: cpupower info -b should return 0 on success, not the perf bias value
cpupower: If root, try to load msr driver on x86 if /dev/cpu/0/msr is not available
cpupower: Install recently added cpupower-idle-{set, info} manpages
cpupower: Introduce idle state disable-by-latency and enable-all
cpupower: Remove all manpages on make uninstall
cpupower: Remove dead link to homepage, and update the targets built.
cpupower: Rename cpufrequtils -> cpupower, and libcpufreq -> libcpupower.
PM / tools: cpupower: add option to display values without round offs
tools / power: turbostat: Drop temperature checks
* pm-cpufreq: (28 commits)
cpufreq: handle calls to ->target_index() in separate routine
cpufreq: s5pv210: drop check for CONFIG_PM_VERBOSE
cpufreq: intel_pstate: Remove unused member name of cpudata
cpufreq: Break out early when frequency equals target_freq
cpufreq: Tegra: drop wrapper around tegra_update_cpu_speed()
cpufreq: imx6q: Remove unused include
cpufreq: imx6q: Drop devm_clk/regulator_get usage
cpufreq: powernow-k8: Suppress checkpatch warnings
cpufreq: powernv: make local function static
cpufreq: Enable big.LITTLE cpufreq driver on arm64
cpufreq: nforce2: remove DEFINE_PCI_DEVICE_TABLE macro
intel_pstate: Add CPU IDs for Broadwell processors
cpufreq: Fix build error on some platforms that use cpufreq_for_each_*
PM / OPP: Move cpufreq specific OPP functions out of generic OPP library
PM / OPP: Remove cpufreq wrapper dependency on internal data organization
cpufreq: Catch double invocations of cpufreq_freq_transition_begin/end
intel_pstate: Remove sample parameter in intel_pstate_calc_busy
cpufreq: Kconfig: Fix spelling errors
cpufreq: Make linux-pm@vger.kernel.org official mailing list
cpufreq: exynos: Use dev_err/info function instead of pr_err/info
...
* pnp:
MAINTAINERS: Remove Bjorn Helgaas as PNP maintainer
PNP / resources: remove positive test on unsigned values
* powercap:
powercap / RAPL: add new CPU IDs
powercap / RAPL: further relax energy counter checks
* pm-runtime:
PM / runtime: Update documentation to reflect the current code flow
* pm-opp:
PM / OPP: discard duplicate OPPs
PM / OPP: Make OPP invisible to users in Kconfig
PM / OPP: fix incorrect OPP count handling in of_init_opp_table
* acpi-video:
ACPI / video: Add 4 new models to the use_native_backlight DMI list
ACPI / video: Add use native backlight quirk for the ThinkPad W530
ACPI / video: Unregister the backlight device if a raw one shows up later
backlight: Add backlight device (un)registration notification
nouveau: Don't check acpi_video_backlight_support() before registering backlight
acer-wmi: Add Aspire 5741 to video_vendor_dmi_table
acer-wmi: Switch to acpi_video_unregister_backlight
ACPI / video: Add an acpi_video_unregister_backlight function
ACPI / video: Don't register acpi_video_resume notifier without backlight devices
ACPI / video: change acpi-video brightness_switch_enabled default to 0
* acpica: (63 commits)
ACPICA: Namespace: Remove _PRP method support.
ACPI: Fix x86 regression related to early mapping size limitation
ACPICA: Tables: Add mechanism to control early table checksum verification.
ACPICA: acpidump: Fix repetitive table dump in -n mode.
ACPI: Clean up acpi_os_map/unmap_memory() to eliminate __iomem.
ACPICA: Clean up redudant definitions already defined elsewhere
ACPICA: Linux headers: Add <asm/acenv.h> to remove mis-ordered inclusion of <asm/acpi.h>
ACPICA: Linux headers: Add <acpi/platform/aclinuxex.h>
ACPICA: Linux headers: Remove ACPI_PREEMPTION_POINT() due to no usages.
ACPICA: Update version to 20140424.
ACPICA: Comment/format update, no functional change.
ACPICA: Events: Update GPE handling and initialization code.
ACPICA: Remove extraneous error message for large number of GPEs.
ACPICA: Tables: Remove old mechanism to validate if XSDT contains NULL entries.
ACPICA: Tables: Add new mechanism to skip NULL entries in RSDT and XSDT.
ACPICA: acpidump: Add support to force using RSDT.
ACPICA: Back port of improvements on exception code.
ACPICA: Back port of _PRP update.
ACPICA: acpidump: Fix truncated RSDP signature validation.
ACPICA: Linux header: Add support for stubbed externals.
...
* acpi-enumeration:
ACPI / scan: use platform bus type by default for _HID enumeration
ACPI / scan: always register ACPI LPSS scan handler
ACPI / scan: always register memory hotplug scan handler
ACPI / scan: always register container scan handler
ACPI / scan: Change the meaning of missing .attach() in scan handlers
ACPI / scan: introduce platform_id device PNP type flag
ACPI / scan: drop unsupported serial IDs from PNP ACPI scan handler ID list
ACPI / scan: drop IDs that do not comply with the ACPI PNP ID rule
ACPI / PNP: use device ID list for PNPACPI device enumeration
ACPI / scan: .match() callback for ACPI scan handlers
* acpi-pm:
ACPI / PM: Export rest of the subsys PM callbacks
ACPI / PM: Avoid resuming devices in ACPI PM domain during system suspend
ACPI / PM: Hold ACPI scan lock over the "freeze" sleep state
ACPI / PM: Export acpi_target_system_state() to modules
* acpi-battery:
ACPI / battery: wakeup the system only when necessary
power_supply: allow power supply devices registered w/o wakeup source
ACPI / battery: introduce support for POWER_SUPPLY_PROP_CAPACITY_LEVEL
ACPI / battery: Accelerate battery resume callback
* pm-sleep:
PM / hibernate: fixed typo in comment
PM / sleep: unregister wakeup source when disabling device wakeup
PM / sleep: Introduce command line argument for sleep state enumeration
PM / sleep: Use valid_state() for platform-dependent sleep states only
PM / sleep: Add state field to pm_states[] entries
PM / sleep: Update device PM documentation to cover direct_complete
PM / sleep: Mechanism to avoid resuming runtime-suspended devices unnecessarily
PM / hibernate: Fix memory corruption in resumedelay_setup()
PM / hibernate: convert simple_strtoul to kstrtoul
PM / hibernate: Documentation: Fix script for unswapping
PM / hibernate: no kernel_power_off when pm_power_off NULL
PM / hibernate: use unsigned local variables in swsusp_show_speed()
* pm-cpuidle:
PM / suspend: Always use deepest C-state in the "freeze" sleep state
cpuidle / menu: move repeated correction factor check to init
cpuidle / menu: Return (-1) if there are no suitable states
cpuidle: Combine cpuidle_enabled() with cpuidle_select()
ARM: clps711x: Add cpuidle driver
* acpi-tables:
ACPI: Fix conflict between customized DSDT and DSDT local copy
* acpi-general:
ACPI: Add acpi_bus_attach_private_data() to attach data to ACPI handle
* acpi-processor:
ACPI / processor: Fix STARTING/DYING action in acpi_cpu_soft_notify()
ACPI / processor: Check if LAPIC is present during initialization
ACPI / ia64: introduce variable acpi_lapic into ia64
* acpi-pad:
ACPI / PAD: Use time_before() for time comparison
ACPI / PAD: call schedule() when need_resched() is true
* acpi-scan:
ACPI / scan: do not scan fixed hardware on HW-reduced platform
* acpi-hotplug:
ACPI: add dynamic_debug support
ACPI / notify: Clean up handling of hotplug events
* acpi-pci:
ACPI / PCI: Stub out pci_acpi_crs_quirks() and make it x86 specific
Pull scheduler updates from Ingo Molnar:
"The main scheduling related changes in this cycle were:
- various sched/numa updates, for better performance
- tree wide cleanup of open coded nice levels
- nohz fix related to rq->nr_running use
- cpuidle changes and continued consolidation to improve the
kernel/sched/idle.c high level idle scheduling logic. As part of
this effort I pulled cpuidle driver changes from Rafael as well.
- standardized idle polling amongst architectures
- continued work on preparing better power/energy aware scheduling
- sched/rt updates
- misc fixlets and cleanups"
* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (49 commits)
sched/numa: Decay ->wakee_flips instead of zeroing
sched/numa: Update migrate_improves/degrades_locality()
sched/numa: Allow task switch if load imbalance improves
sched/rt: Fix 'struct sched_dl_entity' and dl_task_time() comments, to match the current upstream code
sched: Consolidate open coded implementations of nice level frobbing into nice_to_rlimit() and rlimit_to_nice()
sched: Initialize rq->age_stamp on processor start
sched, nohz: Change rq->nr_running to always use wrappers
sched: Fix the rq->next_balance logic in rebalance_domains() and idle_balance()
sched: Use clamp() and clamp_val() to make sys_nice() more readable
sched: Do not zero sg->cpumask and sg->sgp->power in build_sched_groups()
sched/numa: Fix initialization of sched_domain_topology for NUMA
sched: Call select_idle_sibling() when not affine_sd
sched: Simplify return logic in sched_read_attr()
sched: Simplify return logic in sched_copy_attr()
sched: Fix exec_start/task_hot on migrated tasks
arm64: Remove TIF_POLLING_NRFLAG
metag: Remove TIF_POLLING_NRFLAG
sched/idle: Make cpuidle_idle_call() void
sched/idle: Reflow cpuidle_idle_call()
sched/idle: Delay clearing the polling bit
...
Pull perf updates from Ingo Molnar:
"The tooling changes maintained by Jiri Olsa until Arnaldo is on
vacation:
User visible changes:
- Add -F option for specifying output fields (Namhyung Kim)
- Propagate exit status of a command line workload for record command
(Namhyung Kim)
- Use tid for finding thread (Namhyung Kim)
- Clarify the output of perf sched map plus small sched command
fixes (Dongsheng Yang)
- Wire up perf_regs and unwind support for ARM64 (Jean Pihet)
- Factor hists statistics counts processing which in turn also fixes
several bugs in TUI report command (Namhyung Kim)
- Add --percentage option to control absolute/relative percentage
output (Namhyung Kim)
- Add --list-cmds to 'kmem', 'mem', 'lock' and 'sched', for use by
completion scripts (Ramkumar Ramachandra)
Development/infrastructure changes and fixes:
- Android related fixes for pager and map dso resolving (Michael
Lentine)
- Add libdw DWARF post unwind support for ARM (Jean Pihet)
- Consolidate types.h for ARM and ARM64 (Jean Pihet)
- Fix possible null pointer dereference in session.c (Masanari Iida)
- Cleanup, remove unused variables in map_switch_event() (Dongsheng
Yang)
- Remove nr_state_machine_bugs in perf latency (Dongsheng Yang)
- Remove usage of trace_sched_wakeup(.success) (Peter Zijlstra)
- Cleanups for perf.h header (Jiri Olsa)
- Consolidate types.h and export.h within tools (Borislav Petkov)
- Move u64_swap union to its single user's header, evsel.h (Borislav
Petkov)
- Fix for s390 to properly parse tracepoints plus test code
(Alexander Yarygin)
- Handle EINTR error for readn/writen (Namhyung Kim)
- Add a test case for hists filtering (Namhyung Kim)
- Share map_groups among threads of the same group (Arnaldo Carvalho
de Melo, Jiri Olsa)
- Making some code (cpu node map and report parse callchain callback)
global to be usable by upcomming changes (Don Zickus)
- Fix pmu object compilation error (Jiri Olsa)
Kernel side changes:
- intrusive uprobes fixes from Oleg Nesterov. Since the interface is
admin-only, and the bug only affects user-space ("any probed
jmp/call can kill the application"), we queued these fixes via the
development tree, as a special exception.
- more fuzzer motivated race fixes and related refactoring and
robustization.
- allow PMU drivers to be built as modules. (No actual module yet,
because the x86 Intel uncore module wasn't ready in time for this)"
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (114 commits)
perf tools: Add automatic remapping of Android libraries
perf tools: Add cat as fallback pager
perf tests: Add a testcase for histogram output sorting
perf tests: Factor out print_hists_*()
perf tools: Introduce reset_output_field()
perf tools: Get rid of obsolete hist_entry__sort_list
perf hists: Reset width of output fields with header length
perf tools: Skip elided sort entries
perf top: Add --fields option to specify output fields
perf report/tui: Fix a bug when --fields/sort is given
perf tools: Add ->sort() member to struct sort_entry
perf report: Add -F option to specify output fields
perf tools: Call perf_hpp__init() before setting up GUI browsers
perf tools: Consolidate management of default sort orders
perf tools: Allow hpp fields to be sort keys
perf ui: Get rid of callback from __hpp__fmt()
perf tools: Consolidate output field handling to hpp format routines
perf tools: Use hpp formats to sort final output
perf tools: Support event grouping in hpp ->sort()
perf tools: Use hpp formats to sort hist entries
...
Pull RCU changes from Ingo Molnar:
"The main RCU changes in this cycle were:
- RCU torture-test changes.
- variable-name renaming cleanup.
- update RCU documentation.
- miscellaneous fixes.
- patch to suppress RCU stall warnings while sysrq requests are being
processed"
* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (68 commits)
rcu: Provide API to suppress stall warnings while sysrc runs
rcu: Variable name changed in tree_plugin.h and used in tree.c
torture: Remove unused definition
torture: Remove __init from torture_init_begin/end
torture: Check for multiple concurrent torture tests
locktorture: Remove reference to nonexistent Kconfig parameter
rcutorture: Run rcu_torture_writer at normal priority
rcutorture: Note diffs from git commits
rcutorture: Add missing destroy_timer_on_stack()
rcutorture: Explicitly test synchronous grace-period primitives
rcutorture: Add tests for get_state_synchronize_rcu()
rcutorture: Test RCU-sched primitives in TREE_PREEMPT_RCU kernels
torture: Use elapsed time to detect hangs
rcutorture: Check for rcu_torture_fqs creation errors
torture: Better summary diagnostics for build failures
torture: Notice if an all-zero cpumask is passed inside a critical section
rcutorture: Make rcu_torture_reader() use cond_resched()
sched,rcu: Make cond_resched() report RCU quiescent states
percpu: Fix raw_cpu_inc_return()
rcutorture: Export RCU grace-period kthread wait state to rcutorture
...
This patch replaces obsolete simple_str functions by kstr
use kstrtouint for
-uid_t ( __kernel_uid32_t )
-gid_t ( __kernel_gid32_t )
-jfs_sb_info->umask
-jfs_sb_info->minblks_trim
(all unsigned int)
newLVSize is s64 -> use kstrtol
Current parse_options behaviour stays the same ie it doesn't return kstr
rc but just 0 if function failed (parse_options callsites
return -EINVAL when there's anything wrong).
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Static values are automatically initialized to NULL
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Pull CMA and DMA-mapping fixes from Marek Szyprowski:
"A few fixes for dma-mapping and CMA subsystems"
* 'for-v3.16' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping:
CMA: correct unlock target
drivers/base/dma-contiguous.c: erratum of dev_get_cma_area
arm: dma-mapping: add checking cma area initialized
arm: dma-iommu: Clean up redundant variable
cma: Remove potential deadlock situation
The bulk of the changes for this release are a few new drivers however
there are a couple of noticable core changes and the usual stream of
cleanups and fixes:
- Move disable of unused regulators later in init so it comes after
deferred probe has iterated making startup smoother.
- Fixes reference counting of the DT nodes for constraints from Charles
Keepax. This has little practical impact since all real users of
the regulator bindings use FDT which doesn't need the reference
counting.
- Lots of cleanups, especially to the Samsung drivers.
- Support for Linear Technologies LTC3589, Texas Instruments TPS658640
and X-Powers AXP20x.
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Merge tag 'regulator-v3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator into next
Pull regulator updates from Mark Brown:
"The bulk of the changes for this release are a few new drivers however
there are a couple of noticable core changes and the usual stream of
cleanups and fixes:
- move disable of unused regulators later in init so it comes after
deferred probe has iterated making startup smoother.
- fixes to reference counting of the DT nodes for constraints from
Charles Keepax. This has little practical impact since all real
users of the regulator bindings use FDT which doesn't need the
reference counting.
- lots of cleanups, especially to the Samsung drivers.
- support for Linear Technologies LTC3589, Texas Instruments
TPS658640 and X-Powers AXP20x"
* tag 'regulator-v3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (64 commits)
regulator: pbias: remove unnecessary OOM messages
regulator: max8649: remove unnecessary OOM messages
regulator: core: Fix the init of DT defined fixed regulators
regulator: core: Disable unused regulators after deferred probing is done
regulator: Don't disable unused regulators we don't have permission for
regulator: axp20x: Use regulator_map_voltage_ascend for LDO4
regulator: use of_property_read_{bool|u32}()
regulator: Fix regulator_get_{optional,exclusive}() documentation
regulators: Add definition of regulator_set_voltage_time() for !CONFIG_REGULATOR
regulator: arizona-ldo1: add missing #include
regulator: pfuze100: Support enable/disable for fixed regulator
regulator: ltc3589: Remove ltc3589_list_voltage_fixed function
regulator: ltc3589: Fix module dependency
regulator: tps6586x: Remove unused to_tps6586x_dev() function
regulator: tps65218: Convert to use regulator_set_voltage_time_sel
regulator: tps6586x: Add support for the TPS658640
regulator: tps6586x: Prepare supporting fixed regulators
regulator: pfuze100: Don't allocate an invalid gpio
regulator: pfuze100: Support SWB enable/disable
regulator: fixed: use of_property_read_{bool|u32}()
...
For this release SPI has been exceptionally quiet, all the work has been
on improving drivers (including taking advantage of some of the recent
framework updates):
- DMA support for the rspi driver providing a nice performance boost.
- Performance improvement for the SIRF controller in PIO mode.
- New support for the Cadence SPI IP and for pxa2xx on BayTrail.
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Merge tag 'spi-v3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi into next
Pull spi updates from Mark Brown:
"For this release SPI has been exceptionally quiet, all the work has
been on improving drivers (including taking advantage of some of the
recent framework updates):
- DMA support for the rspi driver providing a nice performance boost
- performance improvement for the SIRF controller in PIO mode
- new support for the Cadence SPI IP and for pxa2xx on BayTrail"
* tag 'spi-v3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (59 commits)
spi: rspi: Extract rspi_common_transfer()
spi: rspi: Add DMA support for RSPI on RZ/A1H
spi: rspi: Add DMA support for QSPI on R-Car Gen2
spi: rspi: Absorb rspi_rz_transfer_out_in() into rspi_rz_transfer_one()
spi: rspi: Merge rspi_*_dma() into rspi_dma_transfer()
spi: rspi: Pass sg_tables instead of spi_tranfer to rspi_*_dma()
spi: rspi: Move RSPI-specific setup out of DMA routines
spi: rspi: Use SPI core DMA mapping framework
spi: rspi: SPI DMA core needs both RX and TX DMA to function
spi: rspi: Remove unneeded resource test in DMA setup
spi: rspi: Extract rspi_request_dma_chan()
spi: rspi: Don't consider DMA configuration failures fatal
spi: rspi: Extract rspi_pio_transfer()
spi: rspi: Use core SPI_MASTER_MUST_[RT]X handling
spi: rspi: Remove unused 16-bit DMA support
spi: rspi: Do not call rspi_receive_init() for TX-only
spi: rspi: Extract rspi_wait_for_{tx_empty,rx_full}()
spi/pxa2xx: fix runtime PM enabling order
spi/fsl-espi: fix rx_buf in fsl_espi_cmd_trans()/fsl_espi_rw_trans()
spi: core: Ignore unsupported spi-[tr]x-bus-width property values
...
Another fairly quiet release, a few bug fixes and a couple of new
features:
- Support for I2C devices connected to SMBus rather than full I2C
controllers contributed by Boris Brezillon. If the controller is
only capable of SMBus operation the framework will transparently
fall back to that.
- Suport for little endian values, contributed by Xiubo Li.
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Merge tag 'regmap-v3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap into next
Pull regmap updates from Mark Brown:
"Another fairly quiet release, a few bug fixes and a couple of new
features:
- support for I2C devices connected to SMBus rather than full I2C
controllers contributed by Boris Brezillon. If the controller is
only capable of SMBus operation the framework will transparently
fall back to that
- suport for little endian values, contributed by Xiubo Li"
* tag 'regmap-v3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: mmio: Fix regmap_mmio_write for uneven counts
regmap: irq: Fix possible ZERO_SIZE_PTR pointer dereferencing error.
regmap: Add missing initialization of this_page
regmap: Fix possible ZERO_SIZE_PTR pointer dereferencing error.
regmap: i2c: fallback to SMBus if the adapter does not support standard I2C
regmap: add reg_read/reg_write callbacks to regmap_bus struct
regmap: rbtree: improve 64bits memory alignment
regmap: mmio: Fix the bug of 'offset' value parsing.
regmap: implement LE formatting/parsing for 16/32-bit values.
Linus Torvalds
Thomas Gleixner
Jiri Kosina
Rafael J. Wysocki
Fabian Frederick