History log of /openbmc/linux/drivers/cpuidle/cpuidle.h (Results 126 – 150 of 201)
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# fe56097b 05-Aug-2012 Avi Kivity <avi@redhat.com>

Merge remote-tracking branch 'upstream' into next

- bring back critical fixes (esp. aa67f6096c19bc)
- provide an updated base for development

* upstream: (4334 commits)
missed mnt_drop_write()

Merge remote-tracking branch 'upstream' into next

- bring back critical fixes (esp. aa67f6096c19bc)
- provide an updated base for development

* upstream: (4334 commits)
missed mnt_drop_write() in do_dentry_open()
UBIFS: nuke pdflush from comments
gfs2: nuke pdflush from comments
drbd: nuke pdflush from comments
nilfs2: nuke write_super from comments
hfs: nuke write_super from comments
vfs: nuke pdflush from comments
jbd/jbd2: nuke write_super from comments
btrfs: nuke pdflush from comments
btrfs: nuke write_super from comments
ext4: nuke pdflush from comments
ext4: nuke write_super from comments
ext3: nuke write_super from comments
Documentation: fix the VM knobs descritpion WRT pdflush
Documentation: get rid of write_super
vfs: kill write_super and sync_supers
ACPI processor: Fix tick_broadcast_mask online/offline regression
ACPI: Only count valid srat memory structures
ACPI: Untangle a return statement for better readability
Linux 3.6-rc1
...

Signed-off-by: Avi Kivity <avi@redhat.com>

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# f9cd4903 03-Aug-2012 Mauro Carvalho Chehab <mchehab@redhat.com>

Merge tag 'v3.6-rc1' into staging/for_v3.6

Linux 3.6-rc1

* tag 'v3.6-rc1': (18733 commits)
Linux 3.6-rc1
mm: remove node_start_pfn checking in new WARN_ON for now
ARM: mmp: add missing irqs.h

Merge tag 'v3.6-rc1' into staging/for_v3.6

Linux 3.6-rc1

* tag 'v3.6-rc1': (18733 commits)
Linux 3.6-rc1
mm: remove node_start_pfn checking in new WARN_ON for now
ARM: mmp: add missing irqs.h
arm: mvebu: fix typo in .dtsi comment for Armada XP SoCs
ARM: PRIMA2: delete redundant codes to restore LATCHED when timer resumes
libceph: fix crypto key null deref, memory leak
ceph: simplify+fix atomic_open
sh: explicitly include sh_dma.h in setup-sh7722.c
um: Add arch/x86/um to MAINTAINERS
um: pass siginfo to guest process
um: fix ubd_file_size for read-only files
md/dm-raid: DM_RAID should select MD_RAID10
md/raid1: submit IO from originating thread instead of md thread.
raid5: raid5d handle stripe in batch way
raid5: make_request use batch stripe release
um: pull interrupt_end() into userspace()
um: split syscall_trace(), pass pt_regs to it
um: switch UPT_SET_RETURN_VALUE and regs_return_value to pt_regs
MIPS: Loongson 2: Sort out clock managment.
locks: remove unused lm_release_private
...

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# d30a0d83 03-Aug-2012 Takashi Iwai <tiwai@suse.de>

Merge branch 'topic/next' into for-next


Revision tags: v3.6-rc1
# 91ba548c 31-Jul-2012 Paul Mundt <lethal@linux-sh.org>

Merge branch 'sh/dmaengine' into sh-latest


# 47652500 26-Jul-2012 Linus Torvalds <torvalds@linux-foundation.org>

Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux

Pull ACPI & power management update from Len Brown:
"Re-write of the turbostat tool.
lower overhead was neces

Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux

Pull ACPI & power management update from Len Brown:
"Re-write of the turbostat tool.
lower overhead was necessary for measuring very large system when
they are very idle.

IVB support in intel_idle
It's what I run on my IVB, others should be able to also:-)

ACPICA core update
We have found some bugs due to divergence between Linux and the
upstream ACPICA base. Most of these patches are to reduce that
divergence to reduce the risk of future bugs.

Some cpuidle updates, mostly for non-Intel
More will be coming, as they depend on this part.

Some thermal management changes needed by non-ACPI systems.

Some _OST (OS Status Indication) updates for hot ACPI hot-plug."

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: (51 commits)
Thermal: Documentation update
Thermal: Add Hysteresis attributes
Thermal: Make Thermal trip points writeable
ACPI/AC: prevent OOPS on some boxes due to missing check power_supply_register() return value check
tools/power: turbostat: fix large c1% issue
tools/power: turbostat v2 - re-write for efficiency
ACPICA: Update to version 20120711
ACPICA: AcpiSrc: Fix some translation issues for Linux conversion
ACPICA: Update header files copyrights to 2012
ACPICA: Add new ACPI table load/unload external interfaces
ACPICA: Split file: tbxface.c -> tbxfload.c
ACPICA: Add PCC address space to space ID decode function
ACPICA: Fix some comment fields
ACPICA: Table manager: deploy new firmware error/warning interfaces
ACPICA: Add new interfaces for BIOS(firmware) errors and warnings
ACPICA: Split exception code utilities to a new file, utexcep.c
ACPI: acpi_pad: tune round_robin_time
ACPICA: Update to version 20120620
ACPICA: Add support for implicit notify on multiple devices
ACPICA: Update comments; no functional change
...

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# ec033d0a 25-Jul-2012 Len Brown <len.brown@intel.com>

Merge branches 'acpi_pad', 'acpica', 'apei-bugzilla-43282', 'battery', 'cpuidle-coupled', 'cpuidle-tweaks', 'intel_idle-ivb', 'ost', 'red-hat-bz-772730', 'thermal', 'thermal-spear' and 'turbostat-v2'

Merge branches 'acpi_pad', 'acpica', 'apei-bugzilla-43282', 'battery', 'cpuidle-coupled', 'cpuidle-tweaks', 'intel_idle-ivb', 'ost', 'red-hat-bz-772730', 'thermal', 'thermal-spear' and 'turbostat-v2' into release

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Revision tags: v3.5, v3.5-rc7, v3.5-rc6, v3.5-rc5, v3.5-rc4, v3.5-rc3, v3.5-rc2, v3.5-rc1, v3.4, v3.4-rc7
# 4126c019 07-May-2012 Colin Cross <ccross@android.com>

cpuidle: add support for states that affect multiple cpus

On some ARM SMP SoCs (OMAP4460, Tegra 2, and probably more), the
cpus cannot be independently powered down, either due to
sequencing restric

cpuidle: add support for states that affect multiple cpus

On some ARM SMP SoCs (OMAP4460, Tegra 2, and probably more), the
cpus cannot be independently powered down, either due to
sequencing restrictions (on Tegra 2, cpu 0 must be the last to
power down), or due to HW bugs (on OMAP4460, a cpu powering up
will corrupt the gic state unless the other cpu runs a work
around). Each cpu has a power state that it can enter without
coordinating with the other cpu (usually Wait For Interrupt, or
WFI), and one or more "coupled" power states that affect blocks
shared between the cpus (L2 cache, interrupt controller, and
sometimes the whole SoC). Entering a coupled power state must
be tightly controlled on both cpus.

The easiest solution to implementing coupled cpu power states is
to hotplug all but one cpu whenever possible, usually using a
cpufreq governor that looks at cpu load to determine when to
enable the secondary cpus. This causes problems, as hotplug is an
expensive operation, so the number of hotplug transitions must be
minimized, leading to very slow response to loads, often on the
order of seconds.

This file implements an alternative solution, where each cpu will
wait in the WFI state until all cpus are ready to enter a coupled
state, at which point the coupled state function will be called
on all cpus at approximately the same time.

Once all cpus are ready to enter idle, they are woken by an smp
cross call. At this point, there is a chance that one of the
cpus will find work to do, and choose not to enter idle. A
final pass is needed to guarantee that all cpus will call the
power state enter function at the same time. During this pass,
each cpu will increment the ready counter, and continue once the
ready counter matches the number of online coupled cpus. If any
cpu exits idle, the other cpus will decrement their counter and
retry.

To use coupled cpuidle states, a cpuidle driver must:

Set struct cpuidle_device.coupled_cpus to the mask of all
coupled cpus, usually the same as cpu_possible_mask if all cpus
are part of the same cluster. The coupled_cpus mask must be
set in the struct cpuidle_device for each cpu.

Set struct cpuidle_device.safe_state to a state that is not a
coupled state. This is usually WFI.

Set CPUIDLE_FLAG_COUPLED in struct cpuidle_state.flags for each
state that affects multiple cpus.

Provide a struct cpuidle_state.enter function for each state
that affects multiple cpus. This function is guaranteed to be
called on all cpus at approximately the same time. The driver
should ensure that the cpus all abort together if any cpu tries
to abort once the function is called.

update1:

cpuidle: coupled: fix count of online cpus

online_count was never incremented on boot, and was also counting
cpus that were not part of the coupled set. Fix both issues by
introducting a new function that counts online coupled cpus, and
call it from register as well as the hotplug notifier.

update2:

cpuidle: coupled: fix decrementing ready count

cpuidle_coupled_set_not_ready sometimes refuses to decrement the
ready count in order to prevent a race condition. This makes it
unsuitable for use when finished with idle. Add a new function
cpuidle_coupled_set_done that decrements both the ready count and
waiting count, and call it after idle is complete.

Cc: Amit Kucheria <amit.kucheria@linaro.org>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Trinabh Gupta <g.trinabh@gmail.com>
Cc: Deepthi Dharwar <deepthi@linux.vnet.ibm.com>
Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Tested-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Colin Cross <ccross@android.com>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>

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# 56cfbf74 07-May-2012 Colin Cross <ccross@android.com>

cpuidle: refactor out cpuidle_enter_state

Split the code to enter a state and update the stats into a helper
function, cpuidle_enter_state, and export it. This function will
be called by the couple

cpuidle: refactor out cpuidle_enter_state

Split the code to enter a state and update the stats into a helper
function, cpuidle_enter_state, and export it. This function will
be called by the coupled state code to handle entering the safe
state and the final coupled state.

Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Tested-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Colin Cross <ccross@android.com>
Reviewed-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>

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Revision tags: v3.4-rc6, v3.4-rc5, v3.4-rc4, v3.4-rc3, v3.4-rc2, v3.4-rc1
# 7483d45f 23-Mar-2012 Mauro Carvalho Chehab <mchehab@redhat.com>

Merge branch 'staging/for_v3.4' into v4l_for_linus

* staging/for_v3.4: (10117 commits)
[media] update CARDLIST.em28xx
[media] partially reverts changeset fa5527c
[media] stb0899: fix the limit

Merge branch 'staging/for_v3.4' into v4l_for_linus

* staging/for_v3.4: (10117 commits)
[media] update CARDLIST.em28xx
[media] partially reverts changeset fa5527c
[media] stb0899: fix the limits for signal strength values
[media] em28xx: support for 2304:0242 PCTV QuatroStick (510e)
[media] em28xx: support for 2013:0251 PCTV QuatroStick nano (520e)
[media] -EINVAL -> -ENOTTY
[media] gspca - sn9c20x: Cleanup source
[media] gspca - sn9c20x: Simplify register write for capture start/stop
[media] gspca - sn9c20x: Add automatic JPEG compression mechanism
[media] gspca - sn9c20x: Greater delay in case of sensor no response
[media] gspca - sn9c20x: Optimize the code of write sequences
[media] gspca - sn9c20x: Add the JPEG compression quality control
[media] gspca - sn9c20x: Add a delay after Omnivision sensor reset
[media] gspca - sn9c20x: Propagate USB errors to higher level
[media] gspca - sn9c20x: Use the new video control mechanism
[media] gspca - sn9c20x: Fix loss of frame start
[media] gspca - zc3xx: Lack of register 08 value for sensor cs2102k
[media] gspca - ov534_9: Add brightness to OmniVision 5621 sensor
[media] gspca - zc3xx: Add V4L2_CID_JPEG_COMPRESSION_QUALITY control support
[media] pvrusb2: fix 7MHz & 8MHz DVB-T tuner support for HVR1900 rev D1F5
...

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# 10ce3cc9 19-Mar-2012 Dmitry Torokhov <dmitry.torokhov@gmail.com>

Merge branch 'next' into for-linus


Revision tags: v3.3, v3.3-rc7
# b675b366 09-Mar-2012 Dmitry Torokhov <dmitry.torokhov@gmail.com>

Merge commit 'v3.3-rc6' into next


# 05e5bd0f 05-Mar-2012 Kalle Valo <kvalo@qca.qualcomm.com>

Merge remote branch 'wireless-next/master' into ath6kl-next

Conflicts:
drivers/net/wireless/ath/ath6kl/cfg80211.c


Revision tags: v3.3-rc6
# 458ce291 28-Feb-2012 Ingo Molnar <mingo@elte.hu>

Merge branch 'linus' into x86/asm

Sync up the latest NMI fixes.

Signed-off-by: Ingo Molnar <mingo@elte.hu>


Revision tags: v3.3-rc5, v3.3-rc4
# 4d68c05c 17-Feb-2012 Tony Lindgren <tony@atomide.com>

Merge branch 'for_3.4/dt_base' of git://git.kernel.org/pub/scm/linux/kernel/git/bcousson/linux-omap-dt into dt


# 9edd576d 10-Feb-2012 Daniel Vetter <daniel.vetter@ffwll.ch>

Merge remote-tracking branch 'airlied/drm-fixes' into drm-intel-next-queued

Back-merge from drm-fixes into drm-intel-next to sort out two things:

- interlaced support: -fixes contains a bugfix to c

Merge remote-tracking branch 'airlied/drm-fixes' into drm-intel-next-queued

Back-merge from drm-fixes into drm-intel-next to sort out two things:

- interlaced support: -fixes contains a bugfix to correctly clear
interlaced configuration bits in case the bios sets up an interlaced
mode and we want to set up the progressive mode (current kernels
don't support interlaced). The actual feature work to support
interlaced depends upon (and conflicts with) this bugfix.

- forcewake voodoo to workaround missed IRQ issues: -fixes only enabled
this for ivybridge, but some recent bug reports indicate that we
need this on Sandybridge, too. But in a slightly different flavour
and with other fixes and reworks on top. Additionally there are some
forcewake cleanup patches heading to -next that would conflict with
currrent -fixes.

Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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Revision tags: v3.3-rc3, v3.3-rc2
# ea51e504 31-Jan-2012 Takashi Iwai <tiwai@suse.de>

Merge branch 'fix/asoc' into for-linus


# b20f8662 28-Jan-2012 Florian Tobias Schandinat <FlorianSchandinat@gmx.de>

Merge commit 'v3.3-rc1' into fbdev-next


# 03e369d9 28-Jan-2012 Wey-Yi Guy <wey-yi.w.guy@intel.com>

Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into wireless-next


# 6c02b7b1 27-Jan-2012 Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

Merge commit 'v3.3-rc1' into stable/for-linus-fixes-3.3

* commit 'v3.3-rc1': (9775 commits)
Linux 3.3-rc1
x86, syscall: Need __ARCH_WANT_SYS_IPC for 32 bits
qnx4: don't leak ->BitMap on late f

Merge commit 'v3.3-rc1' into stable/for-linus-fixes-3.3

* commit 'v3.3-rc1': (9775 commits)
Linux 3.3-rc1
x86, syscall: Need __ARCH_WANT_SYS_IPC for 32 bits
qnx4: don't leak ->BitMap on late failure exits
qnx4: reduce the insane nesting in qnx4_checkroot()
qnx4: di_fname is an array, for crying out loud...
KEYS: Permit key_serial() to be called with a const key pointer
keys: fix user_defined key sparse messages
ima: fix cred sparse warning
uml: fix compile for x86-64
MPILIB: Add a missing ENOMEM check
tpm: fix (ACPI S3) suspend regression
nvme: fix merge error due to change of 'make_request_fn' fn type
xen: using EXPORT_SYMBOL requires including export.h
gpio: tps65910: Use correct offset for gpio initialization
acpi/apei/einj: Add extensions to EINJ from rev 5.0 of acpi spec
intel_idle: Split up and provide per CPU initialization func
ACPI processor: Remove unneeded variable passed by acpi_processor_hotadd_init V2
tg3: Fix single-vector MSI-X code
openvswitch: Fix multipart datapath dumps.
ipv6: fix per device IP snmp counters
...

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# 19c22c34 21-Jan-2012 Mauro Carvalho Chehab <mchehab@redhat.com>

Merge tag 'v3.3-rc1' into staging/for_v3.3

* tag 'v3.3-rc1': (8187 commits)
Linux 3.3-rc1
x86, syscall: Need __ARCH_WANT_SYS_IPC for 32 bits
qnx4: don't leak ->BitMap on late failure exits
q

Merge tag 'v3.3-rc1' into staging/for_v3.3

* tag 'v3.3-rc1': (8187 commits)
Linux 3.3-rc1
x86, syscall: Need __ARCH_WANT_SYS_IPC for 32 bits
qnx4: don't leak ->BitMap on late failure exits
qnx4: reduce the insane nesting in qnx4_checkroot()
qnx4: di_fname is an array, for crying out loud...
KEYS: Permit key_serial() to be called with a const key pointer
keys: fix user_defined key sparse messages
ima: fix cred sparse warning
uml: fix compile for x86-64
MPILIB: Add a missing ENOMEM check
tpm: fix (ACPI S3) suspend regression
nvme: fix merge error due to change of 'make_request_fn' fn type
xen: using EXPORT_SYMBOL requires including export.h
gpio: tps65910: Use correct offset for gpio initialization
acpi/apei/einj: Add extensions to EINJ from rev 5.0 of acpi spec
intel_idle: Split up and provide per CPU initialization func
ACPI processor: Remove unneeded variable passed by acpi_processor_hotadd_init V2
tg3: Fix single-vector MSI-X code
openvswitch: Fix multipart datapath dumps.
ipv6: fix per device IP snmp counters
...

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# eefad7fd 20-Jan-2012 Takashi Iwai <tiwai@suse.de>

Merge branch 'topic/convert-bint' into topic/hda

Merge the conversions to bint module option type.


Revision tags: v3.3-rc1
# 282f445a 19-Jan-2012 H. Peter Anvin <hpa@linux.intel.com>

Merge remote-tracking branch 'linus/master' into x86/urgent


# dcd169b7 13-Jan-2012 Steve French <sfrench@us.ibm.com>

Merge branch 'master' of git+ssh://git.samba.org/data/git/sfrench/cifs-2.6


# 4de3a8e1 13-Jan-2012 Russell King <rmk+kernel@arm.linux.org.uk>

Merge branch 'master' into fixes


# ca371d28 08-Jan-2012 Paul Mundt <lethal@linux-sh.org>

Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into sh-latest

Conflicts:
arch/arm/mach-shmobile/clock-sh73a0.c

Signed-off-by: Paul Mundt <lethal@linux-sh.org>


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