- 10 Dec, 2013 5 commits
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Paulo Zanoni authored
In the current code, at haswell_modeset_global_resources, first we decide if we want to enable/disable the power well, then we decide if we want to enable/disable PC8. On the case where we're enabling PC8 this works fine, but on the case where we disable PC8 due to a non-eDP monitor being enabled, we first enable the power well and then disable PC8. Although wrong, this doesn't seem to be causing any problems now, and we don't even see anything in dmesg. But the patches for runtime D3 turn this problem into a real bug, so we need to fix it. This fixes the "modeset-non-lpsp" subtest from the "pm_pc8" test from intel-gpu-tools. v2: - Rebase (i915_disable_power_well). v3: - More reabase. Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Paulo Zanoni authored
We already have some checks and shouldn't be reaching these places on !HAS_PC8 platforms, but add a WARN, just in case. Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Ville Syrjälä authored
The CRI clock is related to the display PHY, so the setup belongs in intel_init_dpio(). Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Ville Syrjälä authored
We don't modify the packed infoframe data, so we should keep the const qualifier in place. Just pass the buffer as 'const void *' instead of 'const uint8_t *' and we can drop the cast entirely. v2: Do intel_sdvo_write_infoframe() as well Reviewed-by: Damien Lespiau <damien.lespiau@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Vandana Kannan authored
If one mode of a internal panel has more than one refresh rate, then a reduced clock is found for the LFP (LVDS/eDP). This enables switching between low and high frequency dynamically. Moving downclock calculation to intel_panel so that it is common for LVDS and eDP. Signed-off-by: Vandana Kannan <vandana.kannan@intel.com> Signed-off-by: Pradeep Bhat <pradeep.bhat@intel.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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- 09 Dec, 2013 2 commits
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Deepak S authored
Since early sanitize and uncore sanitize are called one after the other, I think, we can remove second forcewake reset which was are calling twice in both the functions. Note that this is merge fallout between commit ef46e0d2 Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Sat Nov 16 16:00:09 2013 +0100 drm/i915: restore the early forcewake cleanup and commit 521198a2 Author: Mika Kuoppala <mika.kuoppala@linux.intel.com> Date: Fri Aug 23 16:52:30 2013 +0300 drm/i915: sanitize forcewake registers on reset Signed-off-by: Deepak S <deepak.s@intel.com> [danvet: Explain how this came to be.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Daniel Vetter authored
Linux 3.13-rc3 I need a backmerge for two reasons: - For merging the ppgtt patches from Ben I need to pull in the bdw support. - We now have duplicated calls to intel_uncore_forcewake_reset in the setup code to due 2 different patches merged into -next and 3.13. The conflict is silen so I need the merge to be able to apply Deepak's fixup patch. Conflicts: drivers/gpu/drm/i915/intel_display.c Trivial conflict, it doesn't even show up in the merge diff. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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- 06 Dec, 2013 12 commits
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Paulo Zanoni authored
Currently, PC8 is enabled at modeset_global_resources, which is called after intel_modeset_update_state. Due to this, there's a small race condition on the case where we start enabling PC8, then do a modeset while PC8 is still being enabled. The racing condition triggers a WARN because intel_modeset_update_state will mark the CRTC as enabled, then the thread that's still enabling PC8 might look at the data structure and think that PC8 is being enabled while a pipe is enabled. Despite the WARN, this is not really a bug since we'll wait for the PC8-enabling thread to finish when we call modeset_global_resources. The spec says the CRTC cannot be enabled when we disable LCPLL, so we had a check for crtc->base.enabled. If we change to crtc->active we will still prevent disabling LCPLL while the CRTC is enabled, and we will also prevent the WARN above. This is a replacement for the previous patch named "drm/i915: get/put PC8 when we get/put a CRTC" Testcase: igt/pm_pc8/modeset-lpsp-stress-no-wait Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Linus Torvalds authored
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Linus Torvalds authored
Merge tag 'trace-fixes-3.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing fix from Steven Rostedt: "A regression showed up that there's a large delay when enabling all events. This was prevalent when FTRACE_SELFTEST was enabled which enables all events several times, and caused the system bootup to pause for over a minute. This was tracked down to an addition of a synchronize_sched() performed when system call tracepoints are unregistered. The synchronize_sched() is needed between the unregistering of the system call tracepoint and a deletion of a tracing instance buffer. But placing the synchronize_sched() in the unreg of *every* system call tracepoint is a bit overboard. A single synchronize_sched() before the deletion of the instance is sufficient" * tag 'trace-fixes-3.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing: Only run synchronize_sched() at instance deletion time
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git://git.kvack.org/~bcrl/aio-nextLinus Torvalds authored
Pull aio fix from Benjamin LaHaise: "AIO fix from Gu Zheng that fixes a GPF that Dave Jones uncovered with trinity" * git://git.kvack.org/~bcrl/aio-next: aio: clean up aio ring in the fail path
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds authored
Pull SCSI fixes from James Bottomley: "This is a set of nine fixes (and one author update). The libsas one should fix discovery in eSATA devices, the WRITE_SAME one is the largest, but it should fix a lot of problems we've been getting with the emulated RAID devices (they've been effectively lying about support and then firmware has been choking on the commands). The rest are various crash, hang or warn driver fixes" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: [SCSI] bfa: Fix crash when symb name set for offline vport [SCSI] enclosure: fix WARN_ON in dual path device removing [SCSI] pm80xx: Tasklets synchronization fix. [SCSI] pm80xx: Resetting the phy state. [SCSI] pm80xx: Fix for direct attached device. [SCSI] pm80xx: Module author addition [SCSI] hpsa: return 0 from driver probe function on success, not 1 [SCSI] hpsa: do not discard scsi status on aborted commands [SCSI] Disable WRITE SAME for RAID and virtual host adapter drivers [SCSI] libsas: fix usage of ata_tf_to_fis
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-securityLinus Torvalds authored
Pull IMA fixes from James Morris: "Here are two more fixes for IMA" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: ima: properly free ima_template_entry structures ima: Do not free 'entry' before it is initialized
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linuxLinus Torvalds authored
Pull devicetree fixes from Rob Herring: - Various DT binding documentation updates - Add Kumar Gala and remove Stephen Warren as DT binding maintainers * tag 'dt-fixes-for-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: dt: binding: reword PowerPC 8xxx GPIO documentation ARM: tegra: delete nvidia,tegra20-spi.txt binding hwmon: ntc_thermistor: Fix typo (pullup-uV -> pullup-uv) of: add vendor prefix for GMT clk: exynos: Fix typos in DT bindings documentation of: Add vendor prefix for LG Corporation Documentation: net: fsl-fec.txt: Add phy-supply entry ARM: dts: doc: Document missing binding for omap5-mpu dt-bindings: add ARMv8 PMU binding MAINTAINERS: remove swarren from DT bindings MAINTAINERS: Add Kumar to Device Tree Binding maintainers group
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Gu Zheng authored
Clean up the aio ring file in the fail path of aio_setup_ring and ioctx_alloc. And maybe it can fix the GPF issue reported by Dave Jones: https://lkml.org/lkml/2013/11/25/898Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com> Signed-off-by: Benjamin LaHaise <bcrl@kvack.org>
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James Morris authored
Merge branch 'free-memory' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity into for-linus
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds authored
Pull power management fixes from Rafael Wysocki: - cpufreq regression fix from Bjørn Mork restoring the pre-3.12 behavior of the framework during system suspend/hibernation to avoid garbage sysfs files from being left behind in case of a suspend error - PNP regression fix to restore the correct states of devices after resume from hibernation broken in 3.12. From Dmitry Torokhov. - cpuidle fix to prevent cpuidle device unregistration from crashing due to a NULL pointer dereference if cpuidle has been disabled from the kernel command line. From Konrad Rzeszutek Wilk. - intel_idle fix for the C6 state definition on Intel Avoton/Rangeley processors from Arne Bockholdt. - Power capping framework fix to make the energy_uj sysfs attribute work in accordance with the documentation. From Srinivas Pandruvada. - epoll fix to make it ignore the EPOLLWAKEUP flag if the kernel has been compiled with CONFIG_PM_SLEEP unset (in which case that flag should not have any effect). From Amit Pundir. - cpufreq fix to prevent governor sysfs files from being lost over system suspend/resume in some (arguably unusual) situations. From Viresh Kumar. * tag 'pm-3.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: PowerCap: Fix mode for energy counter PNP: fix restoring devices after hibernation cpuidle: Check for dev before deregistering it. epoll: drop EPOLLWAKEUP if PM_SLEEP is disabled cpufreq: fix garbage kobjects on errors during suspend/resume cpufreq: suspend governors on system suspend/hibernate intel_idle: Fixed C6 state on Avoton/Rangeley processors
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Rafael J. Wysocki authored
* pm-epoll: epoll: drop EPOLLWAKEUP if PM_SLEEP is disabled * pnp: PNP: fix restoring devices after hibernation * powercap: PowerCap: Fix mode for energy counter
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Rafael J. Wysocki authored
* pm-cpuidle: cpuidle: Check for dev before deregistering it. intel_idle: Fixed C6 state on Avoton/Rangeley processors * pm-cpufreq: cpufreq: fix garbage kobjects on errors during suspend/resume cpufreq: suspend governors on system suspend/hibernate
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- 05 Dec, 2013 15 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tileLinus Torvalds authored
Pull arch/tile ftrace bug fix from Chris Metcalf: "This fixes a build failure with allyesconfig reported by Fengguang Wu and fixed by Tony Lu" * 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile: ftrace: default to tilegx if ARCH=tile is specified
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git://git.kernel.dk/linux-blockLinus Torvalds authored
Pull block layer fixes from Jens Axboe: "A small collection of fixes for the current series. It contains: - A fix for a use-after-free of a request in blk-mq. From Ming Lei - A fix for a blk-mq bug that could attempt to dereference a NULL rq if allocation failed - Two xen-blkfront small fixes - Cleanup of submit_bio_wait() type uses in the kernel, unifying that. From Kent - A fix for 32-bit blkg_rwstat reading. I apologize for this one looking mangled in the shortlog, it's entirely my fault for missing an empty line between the description and body of the text" * 'for-linus' of git://git.kernel.dk/linux-block: blk-mq: fix use-after-free of request blk-mq: fix dereference of rq->mq_ctx if allocation fails block: xen-blkfront: Fix possible NULL ptr dereference xen-blkfront: Silence pfn maybe-uninitialized warning block: submit_bio_wait() conversions Update of blkg_stat and blkg_rwstat may happen in bh context
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git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds authored
Pull NFS client bugfixes from Trond Myklebust: - Stable fix for a NFSv4.1 delegation and state recovery deadlock - Stable fix for a loop on irrecoverable errors when returning delegations - Fix a 3-way deadlock between layoutreturn, open, and state recovery - Update the MAINTAINERS file with contact information for Trond Myklebust - Close needs to handle NFS4ERR_ADMIN_REVOKED - Enabling v4.2 should not recompile nfsd and lockd - Fix a couple of compile warnings * tag 'nfs-for-3.13-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: nfs: fix do_div() warning by instead using sector_div() MAINTAINERS: Update contact information for Trond Myklebust NFSv4.1: Prevent a 3-way deadlock between layoutreturn, open and state recovery SUNRPC: do not fail gss proc NULL calls with EACCES NFSv4: close needs to handle NFS4ERR_ADMIN_REVOKED NFSv4: Update list of irrecoverable errors on DELEGRETURN NFSv4 wait on recovery for async session errors NFS: Fix a warning in nfs_setsecurity NFS: Enabling v4.2 should not recompile nfsd and lockd
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Tony Lu authored
This matches the existing behavior in arch/tile/Makefile for defconfig. Reported-by: fengguang.wu@intel.com Acked-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Tony Lu <zlu@tilera.com> Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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Steven Rostedt authored
It has been reported that boot up with FTRACE_SELFTEST enabled can take a very long time. There can be stalls of over a minute. This was tracked down to the synchronize_sched() called when a system call event is disabled. As the self tests enable and disable thousands of events, this makes the synchronize_sched() get called thousands of times. The synchornize_sched() was added with d562aff9 "tracing: Add support for SOFT_DISABLE to syscall events" which caused this regression (added in 3.13-rc1). The synchronize_sched() is to protect against the events being accessed when a tracer instance is being deleted. When an instance is being deleted all the events associated to it are unregistered. The synchronize_sched() makes sure that no more users are running when it finishes. Instead of calling synchronize_sched() for all syscall events, we only need to call it once, after the events are unregistered and before the instance is deleted. The event_mutex is held during this action to prevent new users from enabling events. Link: http://lkml.kernel.org/r/20131203124120.427b9661@gandalf.local.homeReported-by: Petr Mladek <pmladek@suse.cz> Acked-by: Tom Zanussi <tom.zanussi@linux.intel.com> Acked-by: Petr Mladek <pmladek@suse.cz> Tested-by: Petr Mladek <pmladek@suse.cz> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfsLinus Torvalds authored
Pull btrfs MAINTAINERS file update: "I'm still getting settled into new devel hardware etc, but I do have one commit for the next rc. This changes my email over to fb.com, and adds a MAINTAINERS entry for Josef as well" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: Btrfs: update the MAINTAINERS file
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git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linuxLinus Torvalds authored
Pull minor fbdev fixes from Tomi Valkeinen. * tag 'fbdev-fixes-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: video: vt8500: fix error handling in probe() atmel_lcdfb: fix module autoload fbdev: sh_mobile_meram: Fix defined but not used compiler warnings video: kyro: fix incorrect sizes when copying to userspace ARM: OMAPFB: panel-sony-acx565akm: fix bad unlock balance
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/soundLinus Torvalds authored
Pull sound fixes from Takashi Iwai: "A usual pattern of half ASoC and half HD-audio fixes, although HD-audio fixups have more volumes, in addition to a couple of trivial fixes. Nothing to worry much is found here. For ASoC side: a few fixes for PCM rate constraints calculations, regmap byte-order fix, the rest driver specific fixes (atmel, fsl, omap, kirkwood, wm codecs). For HD-audio: Dell headset and mono out fix, ELD update in polling mode, ALC283 Chromebook fixes, a few fixes for old AD codecs and MBA2, one regression fix" * tag 'sound-3.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (30 commits) ALSA: hda - Fix silent output on MacBook Air 2,1 ALSA: hda - Fix missing ELD info when using jackpoll_ms parameter ALSA: hda/realtek - remove hp_automute_hook from alc283_fixup_chromebook ASoC: wm8731: fix dsp mode configuration ALSA: hda/realtek - Independent of model for HP ALSA: hda - Fix headset mic input after muted internal mic (Dell/Realtek) ALSA: hda - Use always amps for auto-mute on AD1986A codec ALSA: hda/analog - Handle inverted EAPD properly in vmaster hook ALSA: hda - Another fixup for ASUS laptop with ALC660 codec ALSA: atmel: Fix possible array overflow ALSA: hda - Fix complete_all() timing in deferred probes ALSA: hda - Fix bad EAPD setup for HP machines with AD1984A ASoC: core: fix devres parameter in devm_snd_soc_register_card() ASoC: omap: n810: Convert to clk_prepare_enable/clk_disable_unprepare ASoC: fsl: set correct platform drvdata in pcm030_fabric_probe() ASoC: fsl: imx-pcm-fiq: Remove unused 'runtime' variable ASoC: fsl: imx-pcm-fiq: remove bogus period delta calculation ALSA: hda - Fix silent output on ASUS W7J laptop ASoC: core: Use consistent byte ordering in snd_soc_bytes_get ALSA: dice: fix array limits in dice_proc_read() ...
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrlLinus Torvalds authored
Pull pin control fixes from Linus Walleij: - Minor bug fixes for the Rockchip, ST-Ericsson abx500, Renesas PFC r8a7740 and sh7372. - Compilation warning fixes. * tag 'pinctrl-v3.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: sh-pfc: sh7372: Fix pin bias setup sh-pfc: r8a7740: Fix pin bias setup pinctrl: abx500: Fix header file include guard pinctrl: rockchip: missing unlock on error in rockchip_set_pull() pinctrl: abx500: fix some more bitwise AND tests pinctrl: rockchip: testing the wrong variable
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Ming Lei authored
If accounting is on, we will do the IO completion accounting after we have freed the request. Fix that by moving it sooner instead. Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Chris Wilson authored
If we force the hw to idle as our first step during unload, we can abort the unload upon failure. Later we can probe whether the hardware remain active even after we try to shut it down. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 and EFI fixes from Peter Anvin: "Half of these are EFI-related: The by far biggest change is the change to hold off the deletion of a sysfs entry while a backend scan is in progress. This is to avoid calling kmemdup() while under a spinlock. The other major change is for each entry in the EFI pstore backend to get a unique identifier, as required by the pstore filesystem proper. The other changes are: A fix to the recent consolidation and optimization of using "asm goto" with read-modify-write operation, which broke the bitops; specifically in such a way that we could end up generating invalid code. A build hack to make sure we compile with -mno-sse. icc, and most likely future versions of gcc, can generate SSE instructions unless we tell it not to. A comment-only patch to a change the was due in part to an unpublished erratum; now when the erratum is published we want to add a comment explaining why" * 'x86/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/apic, doc: Justification for disabling IO APIC before Local APIC x86, bitops: Correct the assembly constraints to testing bitops x86-64, build: Always pass in -mno-sse efi-pstore: Make efi-pstore return a unique id x86/efi: Fix earlyprintk off-by-one bug efivars, efi-pstore: Hold off deletion of sysfs entry until the scan is completed
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Fenghua Yu authored
Since erratum AVR31 in "Intel Atom Processor C2000 Product Family Specification Update" is now published, I added a justification comment for disabling IO APIC before Local APIC, as changed in commit: 522e6646 x86/apic: Disable I/O APIC before shutdown of the local APIC Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Link: http://lkml.kernel.org/r/1386202069-51515-1-git-send-email-fenghua.yu@intel.comSigned-off-by: H. Peter Anvin <hpa@linux.intel.com>
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Srinivas Pandruvada authored
As per the documentation of powercap sysfs, energy_uj field is read only, if it can't be reset. Currently it always allows write but will fail, if there is no reset callback. Changing mode field, to read only if there is no reset callback. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reported-by: Dirk Brandewie <dirk.j.brandewie@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Dmitry Torokhov authored
On returning from hibernation 'restore' callback is called, not 'resume'. Fix it. Fixes: eaf140b6 (PNP: convert PNP driver bus legacy pm_ops to dev_pm_ops) Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: 3.12+ <stable@vger.kernel.org> # 3.12+ Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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- 04 Dec, 2013 6 commits
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H. Peter Anvin authored
In checkin: 0c44c2d0 x86: Use asm goto to implement better modify_and_test() functions the various functions which do modify and test were unified and optimized using "asm goto". However, this change missed the detail that the bitops require an "Ir" constraint rather than an "er" constraint ("I" = integer constant from 0-31, "e" = signed 32-bit integer constant). This would cause code to miscompile if these functions were used on constant bit positions 32-255 and the build to fail if used on constant bit positions above 255. Add the constraints as a parameter to the GEN_BINARY_RMWcc() macro to avoid this problem. Reported-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/529E8719.4070202@zytor.com
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Helge Deller authored
When compiling a 32bit kernel with CONFIG_LBDAF=n the compiler complains like shown below. Fix this warning by instead using sector_div() which is provided by the kernel.h header file. fs/nfs/blocklayout/extents.c: In function ‘normalize’: include/asm-generic/div64.h:43:28: warning: comparison of distinct pointer types lacks a cast [enabled by default] fs/nfs/blocklayout/extents.c:47:13: note: in expansion of macro ‘do_div’ nfs/blocklayout/extents.c:47:2: warning: right shift count >= width of type [enabled by default] fs/nfs/blocklayout/extents.c:47:2: warning: passing argument 1 of ‘__div64_32’ from incompatible pointer type [enabled by default] include/asm-generic/div64.h:35:17: note: expected ‘uint64_t *’ but argument is of type ‘sector_t *’ extern uint32_t __div64_32(uint64_t *dividend, uint32_t divisor); Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Trond Myklebust authored
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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Trond Myklebust authored
Andy Adamson reports: The state manager is recovering expired state and recovery OPENs are being processed. If kswapd is pruning inodes at the same time, a deadlock can occur when kswapd calls evict_inode on an NFSv4.1 inode with a layout, and the resultant layoutreturn gets an error that the state mangager is to handle, causing the layoutreturn to wait on the (NFS client) cl_rpcwaitq. At the same time an open is waiting for the inode deletion to complete in __wait_on_freeing_inode. If the open is either the open called by the state manager, or an open from the same open owner that is holding the NFSv4 sequence id which causes the OPEN from the state manager to wait for the sequence id on the Seqid_waitqueue, then the state is deadlocked with kswapd. The fix is simply to have layoutreturn ignore all errors except NFS4ERR_DELAY. We already know that layouts are dropped on all server reboots, and that it has to be coded to deal with the "forgetful client model" that doesn't send layoutreturns. Reported-by: Andy Adamson <andros@netapp.com> Link: http://lkml.kernel.org/r/1385402270-14284-1-git-send-email-andros@netapp.comSigned-off-by: Trond Myklebust <Trond.Myklebust@primarydata.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpioLinus Torvalds authored
Pull GPIO fixes from Linus Walleij: "Here are a few more GPIO patches, we're a bit noisy for being the GPIO subsystem, mostly due to the new descriptor API, but all is getting into shape. - Fix compile warnings - Fix overly talkative diagnostic messages from usual use cases wrt GPIO descriptors - Add a documentation 00-INDEX - Use platform GPIOs as fallback when ACPI or device tree is used as the primary means to get GPIO lines - A bug fix for the MPC8572/MPC8536 fixing erroneous input data" * tag 'gpio-v3.13-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: gpiolib: change a warning to debug message when failing to get gpio powerpc/gpio: Fix the wrong GPIO input data on MPC8572/MPC8536 gpiolib: use platform GPIO mappings as fallback Documentation: gpiolib: add 00-INDEX file gpiolib: fix lookup of platform-mapped GPIOs gpiolib: add missing declarations
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-socLinus Torvalds authored
Pull ARM SoC fixes from Olof Johansson: "Another batch of fixes for ARM SoCs for 3.13. The diffstat is large, mostly because of: - Another set of fixes to fix regressions caused by moving OMAP from board files to DT. Tony thinks this was the last major set of fixes, with maybe just a few small patches to follow. - More fixes for Marvell platforms, most dealing with misdescribed PCIe hardware, i.e. incorrect number of busses on some SoCs, etc. The line delta adds up due to various ranges moving around when this is fixed. But there's also: - Some smaller tweaks to defconfigs to make more boards bootable in my test setup for better coverage. - There are also a few other smaller fixes, a short series for at91, a couple of reverts for ux500, etc" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (39 commits) arm: dts: socfpga: Change some clocks of gate-clk type to perip-clk arm: socfpga: Enable ARM_TWD for socfpga ARM: multi_v7_defconfig: enable SDHCI_BCM_KONA and MMC_BLOCK_MINORS=16 ARM: sunxi_defconfig: enable NFS, TMPFS, PRINTK_TIME and nfsroot support ARM: multi_v7_defconfig: enable network for BeagleBone Black ARM: dts: Fix the name of supplies for smsc911x shared by OMAP ARM: OMAP2+: Powerdomain: Fix unchecked dereference of arch_pwrdm ARM: dts: omap3-beagle: Add omap-twl4030 audio support ARM: dts: omap4-sdp: Fix pin muxing for wl12xx ARM: dts: omap4-panda-common: Fix pin muxing for wl12xx ARM: at91: fixed unresolved symbol "at91_pm_set_standby" when built without CONFIG_PM ARM: at91: add usart3 alias to dtsi ARM: at91: sama5d3: reduce TWI internal clock frequency mmc: omap: Fix I2C dependency and make driver usable with device tree mmc: omap: Fix DMA configuration to not rely on device id ARM: dts: omap3-beagle: Fix USB host on beagle boards (for 3.13) ARM: dts: omap3-igep0020: name twl4030 VPLL2 regulator as vdds_dsi ARM: dts: AM33XX IGEP0033: add USB support ARM: dts: AM33XX BASE0033: add 32KBit EEPROM support ARM: dts: AM33XX BASE0033: add pinmux and user led support ...
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