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2008-02-01block: kill swap_io_context()Jens Axboe
It blindly copies everything in the io_context, including the lock. That doesn't work so well for either lock ordering or lockdep. There seems zero point in swapping io contexts on a request to request merge, so the best point of action is to just remove it. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-02-01as-iosched: fix inconsistent ioc->lock contextJens Axboe
Since it's acquired from irq context, all locking must be of the irq safe variant. Most are already inside the queue lock (which already disables interrupts), but the io scheduler rmmod path always has irqs enabled and the put_io_context() path may legally be called with irqs enabled (even if it isn't usually). So fixup those two. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-02-01ide-cd: fix leftover data BUGJens Axboe
It's perfectly legal to have data leftovers when a drive signals completion, it happens all the time when a user issues a command with a transfer count that is too large. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-02-01block: make elevator lib checkpatch compliantJens Axboe
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-02-01cfq-iosched: make checkpatch compliantJens Axboe
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-02-01block: make core bits checkpatch compliantJens Axboe
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-02-01block: new end request handling interface should take unsigned byte countsJens Axboe
No point in passing signed integers as the byte count, they can never be negative. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-02-01unexport add_disk_randomnessAdrian Bunk
This patch removes the no longer used EXPORT_SYMBOL(add_disk_randomness). Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-02-01block/sunvdc.c:print_version() must be __devinitAdrian Bunk
This patch fixes the following section mismatches: <-- snip --> ... WARNING: drivers/block/sunvdc.o(.text+0xf0): Section mismatch in reference from the function print_version() to the variable .devinit.data:version WARNING: drivers/block/sunvdc.o(.text+0xf8): Section mismatch in reference from the function print_version() to the variable .devinit.data:version ... <-- snip --> Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-02-01splice: always updated atime in direct spliceJens Axboe
Andre Majorel <aym-xunil@teaser.fr> points out that if we only updated the atime when we transfer some data, we deviate from the standard of always updating the atime. So change splice to always call file_accessed() even if splice_direct_to_actor() didn't transfer any data. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-02-01Ensure that we export __fatal_signal_pending()Trond Myklebust
It may be used by the modules nfs.ko and sunrpc.ko Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> [ Made it a regular export rather than GPL-only - Linus ] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-01Merge branch 'task_killable' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/willy/misc * 'task_killable' of git://git.kernel.org/pub/scm/linux/kernel/git/willy/misc: (22 commits) Remove commented-out code copied from NFS NFS: Switch from intr mount option to TASK_KILLABLE Add wait_for_completion_killable Add wait_event_killable Add schedule_timeout_killable Use mutex_lock_killable in vfs_readdir Add mutex_lock_killable Use lock_page_killable Add lock_page_killable Add fatal_signal_pending Add TASK_WAKEKILL exit: Use task_is_* signal: Use task_is_* sched: Use task_contributes_to_load, TASK_ALL and TASK_NORMAL ptrace: Use task_is_* power: Use task_is_* wait: Use TASK_NORMAL proc/base.c: Use task_is_* proc/array.c: Use TASK_REPORT perfmon: Use task_is_* ... Fixed up conflicts in NFS/sunrpc manually..
2008-02-01Merge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-schedLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched: debug: turn ignore_loglevel into an early param sched: remove unused params sched: let +nice tasks have smaller impact sched: fix high wake up latencies with FAIR_USER_SCHED RCU: add help text for "RCU implementation type"
2008-02-01Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/perex/alsaLinus Torvalds
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/perex/alsa: (299 commits) [ALSA] version 1.0.16rc2 [ALSA] hda: fix Mic in as output [ALSA] emu10k1 - Another EMU0404 Board ID [ALSA] emu10k1 - Fix kthread handling at resume [ALSA] emu10k1: General cleanup, add new locks, fix alsa bug#3501, kernel bug#9304. [ALSA] emu10k1 - Use enum for emu_model types [ALSA] emu10k1 - Don't create emu1010 controls for non-emu boards [ALSA] emu10k1 - 1616(M) cardbus improvements [ALSA] snd:emu10k1: E-Mu updates. Fixes to firmware loading and support for 0404. [ALSA] emu10k1: Add comments regarding E-Mu ins and outs. [ALSA] oxygen: revert SPI clock frequency change for AK4396/WM8785 [ALSA] es1938 - improve capture hw pointer reads [ALSA] HDA-Intel - Add support for Intel SCH [ALSA] hda: Add GPIO mute support to STAC9205 [ALSA] hda-codec - Add Dell T3400 support [ALSA] hda-codec - Add model for HP DV9553EG laptop [ALSA] hda-codec - Control SPDIF as slave [ALSA] hda_intel: ALSA HD Audio patch for Intel ICH10 DeviceID's [ALSA] Fix Oops with PCM OSS sync [ALSA] hda-codec - Add speaker automute to ALC262 HP models ...
2008-02-01Merge git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86: asm-generic/tlb.h: build fix x86: uninline __pte_free_tlb() and __pmd_free_tlb() x86: fix small sparse warning x86: fix sparse warning in kernel/scx200_32.c x86: early_ioremap_reset fix 2 x86: c_p_a clflush_cache_range fix x86: change_page_attr_clear fix x86: fix sparse warnings in intel_cacheinfo.c
2008-01-31debug: turn ignore_loglevel into an early paramIngo Molnar
i was debugging early crashes and wondered where all the printks went. The reason: ignore_loglevel_setup() was not called yet ... Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-31sched: remove unused paramsGerald Stralko
This removes the extra struct task_struct *p parameter in inc_nr_running and dec_nr_running functions. Signed-off by: Jerry Stralko <gerb.stralko@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-31sched: let +nice tasks have smaller impactPeter Zijlstra
Michel Dänzr has bisected an interactivity problem with plus-reniced tasks back to this commit: 810e95ccd58d91369191aa4ecc9e6d4a10d8d0c8 is first bad commit commit 810e95ccd58d91369191aa4ecc9e6d4a10d8d0c8 Author: Peter Zijlstra <a.p.zijlstra@chello.nl> Date: Mon Oct 15 17:00:14 2007 +0200 sched: another wakeup_granularity fix unit mis-match: wakeup_gran was used against a vruntime fix this by assymetrically scaling the vtime of positive reniced tasks. Bisected-by: Michel Dänzer <michel@tungstengraphics.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-31sched: fix high wake up latencies with FAIR_USER_SCHEDSrivatsa Vaddagiri
The reason why we are getting better wakeup latencies for !FAIR_USER_SCHED is because of this snippet of code in place_entity(): if (!initial) { /* sleeps upto a single latency don't count. */ if (sched_feat(NEW_FAIR_SLEEPERS) && entity_is_task(se)) ^^^^^^^^^^^^^^^^^^ vruntime -= sysctl_sched_latency; /* ensure we never gain time by being placed backwards. */ vruntime = max_vruntime(se->vruntime, vruntime); } NEW_FAIR_SLEEPERS feature gives credit for sleeping only to tasks and not group-level entities. With the patch attached, I could see that wakeup latencies with FAIR_USER_SCHED are restored to the same level as !FAIR_USER_SCHED. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-31RCU: add help text for "RCU implementation type"Paul E. McKenney
This patch supplies help text for the "RCU implementation type" kernel configuration choice. Reported-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-31asm-generic/tlb.h: build fixIngo Molnar
bring back the avr32, blackfin, sh, sparc architectures into working order, by reverting the effects of this change that came in via the x86 tree: commit a5a19c63f4e55e32dc0bc3d936d7f94793d8b380 Author: Jeremy Fitzhardinge <jeremy@goop.org> Date: Wed Jan 30 13:33:39 2008 +0100 x86: demacro asm-x86/pgalloc_32.h Sorry about that! Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-31x86: uninline __pte_free_tlb() and __pmd_free_tlb()Ingo Molnar
this also removes an include file dependency. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-31x86: fix small sparse warningHarvey Harrison
arch/x86/kernel/ds.c:226:9: warning: Using plain integer as NULL pointer Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-31x86: fix sparse warning in kernel/scx200_32.cHarvey Harrison
arch/x86/kernel/scx200_32.c:68:72: warning: Using plain integer as NULL pointer Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-31x86: early_ioremap_reset fix 2Huang, Ying
This patch fixes a bug of early_ioremap_reset(), which had been fixed before by "convert the boot time page table to the kernels native format" patch. But that patch has been reverted now. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-31x86: c_p_a clflush_cache_range fixHuang, Ying
Because in i386 early boot stage, boot_cpu_data may be not available, which makes clflush_cach_range() into infinite loop, which is called by change_page_attr(). This patch fixes this by setting boot_cpu_data.x86_clflush_size in early_cpu_detect(). Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-31x86: change_page_attr_clear fixHuang, Ying
This patch replaces __change_page_attr_set_clr() with change_page_attr_set_clr() in change_page_attr_clear() to flush the TLB/cache properly. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-31x86: fix sparse warnings in intel_cacheinfo.cHarvey Harrison
arch/x86/kernel/cpu/intel_cacheinfo.c:355:7: warning: symbol 'i' shadows an earlier one arch/x86/kernel/cpu/intel_cacheinfo.c:296:39: originally declared here arch/x86/kernel/cpu/intel_cacheinfo.c:367:18: warning: incorrect type in argument 2 (different signedness) arch/x86/kernel/cpu/intel_cacheinfo.c:367:18: expected unsigned int *eax arch/x86/kernel/cpu/intel_cacheinfo.c:367:18: got int * arch/x86/kernel/cpu/intel_cacheinfo.c:367:28: warning: incorrect type in argument 3 (different signedness) arch/x86/kernel/cpu/intel_cacheinfo.c:367:28: expected unsigned int *ebx arch/x86/kernel/cpu/intel_cacheinfo.c:367:28: got int * arch/x86/kernel/cpu/intel_cacheinfo.c:367:38: warning: incorrect type in argument 4 (different signedness) arch/x86/kernel/cpu/intel_cacheinfo.c:367:38: expected unsigned int *ecx arch/x86/kernel/cpu/intel_cacheinfo.c:367:38: got int * arch/x86/kernel/cpu/intel_cacheinfo.c:367:48: warning: incorrect type in argument 5 (different signedness) arch/x86/kernel/cpu/intel_cacheinfo.c:367:48: expected unsigned int *edx arch/x86/kernel/cpu/intel_cacheinfo.c:367:48: got int * Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-31[ALSA] version 1.0.16rc2Jaroslav Kysela
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-01-31[ALSA] hda: fix Mic in as outputMatthew Ranostay
Some laptop has an internal analog microphone that is 'fixed'. This patch prevents creating a 'Mic In as Output' switch for ports that can't be outputs. Signed-off-by: Matthew Ranostay <mranostay@embeddedalley.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-01-31[ALSA] emu10k1 - Another EMU0404 Board IDVeli-Matti Valtonen
This is based on pseudo-random playing around with the capabilities. With ca0102 this card gives no output atall, ca0108 appears to work fine, so it rather looks similar to the EMU1010b/EMU1010 changes. Some other people seem to have succeeded in using this aswell: https://bugtrack.alsa-project.org/alsa-bug/view.php?id=3496 From: Veli-Matti Valtonen <maligor@gmail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-01-31[ALSA] emu10k1 - Fix kthread handling at resumeTakashi Iwai
Don't create emu1010 kthread again at resume if it's already created. Also make the thread function static. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-01-31[ALSA] emu10k1: General cleanup, add new locks, fix alsa bug#3501, kernel ↵James Courtier-Dutton
bug#9304. Signed-off-by: James Courtier-Dutton <James@superbug.co.uk> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-01-31[ALSA] emu10k1 - Use enum for emu_model typesTakashi Iwai
Use enum instead of digits for emu_model types. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-01-31[ALSA] emu10k1 - Don't create emu1010 controls for non-emu boardsTakashi Iwai
The last change for emu1616 introduced a bug that the driver creates emu1010-related controls even on non-emu boards. Fixed now. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-01-31[ALSA] emu10k1 - 1616(M) cardbus improvementsCtirad Fertr
This patch improves E-Mu 1616(M) cardbus support. It adds definitions of the new Microdock and 1010 cardbus registers (thanks again for descriptions James) and improves mixer for this card. Now you can use S/PDIF and ADAT on Mirodock and also use headpohone output on host cardbus card as another independent output. Signed-off-by: Ctirad Fertr <c.fertr@gmail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-01-31[ALSA] snd:emu10k1: E-Mu updates. Fixes to firmware loading and support for ↵James Courtier-Dutton
0404. Signed-off-by: James Courtier-Dutton <James@superbug.co.uk> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-01-31[ALSA] emu10k1: Add comments regarding E-Mu ins and outs.James Courtier-Dutton
Signed-off-by: James Courtier-Dutton <James@superbug.co.uk> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-01-31[ALSA] oxygen: revert SPI clock frequency change for AK4396/WM8785Clemens Ladisch
While the AK4396 and WM8785 datasheets say that the SPI clock cycle length must be at least 200 ns, 320 ns seems not to work reliably with the controller, so we better use 160 ns. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-01-31[ALSA] es1938 - improve capture hw pointer readsHermann Lauer
With the Solo1 (es1938) I got a lot of xrun's during capture on my machine. Tracing that down it seems to be comming from reading ocassionaly bad hw pointers from the chip. This patch uses more checking to avoid that false pointer reads. Failed reads are giving back the last good value read instead of spinning in a tight loop, which seems more appropriate to me in an interrupt. I think I saw this trick used in another driver Signed-off-by: Hermann Lauer <Hermann.Lauer@iwr.uni-heidelberg.de> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-01-31[ALSA] HDA-Intel - Add support for Intel SCHTobin Davis
This patch adds support for Intel's SCH mobile chipset. Signed-off-by: Tobin Davis <tdavis@dsl-only.net> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-01-31[ALSA] hda: Add GPIO mute support to STAC9205Matthew Ranostay
Support added for detecting HP jack presence via GPIO on several laptop docks. Signed-off-by: Matthew Ranostay <mranostay@embeddedalley.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-01-31[ALSA] hda-codec - Add Dell T3400 supportDouglas Kosovic
Added the support for Dell T3400 with AD1984 codec chip. ALSA bug#3699: https://bugtrack.alsa-project.org/alsa-bug/view.php?id=3699 Signed-off-by: Douglas Kosovic <douglask@itee.uq.edu.au> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-01-31[ALSA] hda-codec - Add model for HP DV9553EG laptopTakashi Iwai
Added the proper model for HP DV9553EG laptop with Cxt5045. ALSA bug#3534 https://bugtrack.alsa-project.org/alsa-bug/view.php?id=3534 Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-01-31[ALSA] hda-codec - Control SPDIF as slaveTakashi Iwai
Add SPDIF playback switch to the slave element list so that it can be toggled via the master control as well. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-01-31[ALSA] hda_intel: ALSA HD Audio patch for Intel ICH10 DeviceID'sJason Gaston
This patch adds the Intel ICH10 HD Audio Controller DeviceID's. Signed-off-by: Jason Gaston <jason.d.gaston@intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-01-31[ALSA] Fix Oops with PCM OSS syncTakashi Iwai
The PCM OSS emulation can cause Oops at sync operation due to the wrong data size calculation. Typically happening on Sparc64: http://lkml.org/lkml/2008/1/24/426 Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-01-31[ALSA] hda-codec - Add speaker automute to ALC262 HP modelsTakashi Iwai
Added the speaker-automute function to ALC262 HP models. Also, 'Mono' mixer elements are renamed as more intuitive 'Speaker'. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-01-31[ALSA] hda-codec - Add speaker automute to ALC260 HP modelsTakashi Iwai
Added the speaker-automute function to ALC260 HP models. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-01-31[ALSA] hda-codec - Fix ALC262 HP-RP5700 modelTakashi Iwai
Removed the PCM mixer elements conflicting with others. Also renamed Master control to Headphone, which isn't a real master. (The Master control is still created as a virtual master even after this rename.) Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
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