- 26 Aug, 2011 8 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6Linus Torvalds authored
* 'staging-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6: staging: tidspbridge: fix compilation on dsp clock functions staging: octeon-ethernet: Add missing #includes. Staging: zcache: signedness bug in tmem_get() staging: zcache: fix crash on high memory swap staging: brcm80211: SPARC build error fix staging: brcm80211: fix compile error on non-x86 archs since 3.0 kernel
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git://git390.marist.edu/pub/scm/linux-2.6Linus Torvalds authored
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: [S390] memory hotplug: only unassign assigned increments [S390] Change default action from reipl to stop for on_restart [S390] arch/s390/kernel/ipl.c: correct error detection check [S390] drivers/s390/block/dasd_ioctl.c: add missing kfree [S390] nss,initrd: kernel image and initrd must be in different segments
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Kirill A. Shutemov authored
According to the SFI specification irq number 0xFF means device has no interrupt or interrupt attached via GPIO. Currently, we don't handle this special case and set irq field in *_board_info structs to 255. It leads to confusion in some drivers. Accelerometer driver tries to register interrupt 255, fails and prints "Cannot get IRQ" to dmesg. Signed-off-by:
Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by:
Alan Cox <alan@linux.intel.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6Linus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (32 commits) ALSA: hda: Conexant: Allow different output types to share DAC ASoC: Correct element count for WM8996 sidetone HPF ASoC: Tegra: wm8903 machine driver: Drop Ventana support ASoC: Add samsung maintainer ASoC: Add Springbank I/O card to Speyside Kconfig ALSA: hda/conexant - Enable ADC-switching for auto-mic mode, too ALSA: hda - Fix double-headphone/speaker paths for Cxt auto-parser ALSA: hda - Update jack-sense info even when no automute is set ALSA: hda - Fix output-path initialization for Realtek auto-parser sound/soc/fsl/mpc8610_hpcd.c: add missing of_node_put sound/soc/fsl/p1022_ds.c: add missing of_node_put sound/soc/ep93xx/ep93xx-i2s.c: add missing kfree sound/soc/kirkwood/kirkwood-i2s.c: add missing kfree ASoC: soc-core: use GFP_KERNEL flag for kmalloc in snd_soc_cnew sound/soc/fsl/fsl_dma.c: add missing of_node_put ASoC: Clear completions from late WM8996 FLL lock IRQs ASoC: Clear any outstanding WM8962 FLL lock completions before waiting ASoC: Ensure we only run Speyside WM8962 bias level callbacks once ASoC: Fix configuration of WM8996 input enables ASoC: WM8996 record paths need AIFCLK ...
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Takashi Iwai authored
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Liu Gang-B34182 authored
This bug causes the IECSR register clear failure. In this case, the RETE (retry error threshold exceeded) interrupt will be generated and cannot be cleared. So the related ISR may be called persistently. The RETE bit in IECSR is cleared by writing a 1 to it. Signed-off-by:
Liu Gang <Gang.Liu@freescale.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Kumar Gala <galak@kernel.crashing.org> Cc: <stable@kernel.org> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
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MyungJoo Ham authored
The previous rtc-s3c had two issues related with its IRQ. 1. Users cannot open rtc multiple times because an open operation calls request_irq on the same IRQ. (e.g., two user processes wants to open and read RTC time from rtc-s3c at the same time) 2. If alarm is set and no one has the rtc opened with filesystem (either the alarm is set by kernel/boot-loader or user set an alarm and closed rtc dev file), the pending bit is not cleared and no further interrupt is invoked. When the alarm is used by the system itself such as a resume from suspend-to-RAM or other Low-power modes/idle, this is a critical issue. This patch mitigates these issues by calling request_irq at probe and free_irq at remove. Signed-off-by:
MyungJoo Ham <myungjoo.ham@samsung.com> Signed-off-by:
Kyungmin Park <kyungmin.park@samsung.com> Acked-by:
Kukjin Kim <kgene.kim@samsung.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Changhwan Youn <chaos.youn@samsung.com> Signed-off-by:
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MyungJoo Ham authored
RTC-S3C used to print out debug messages incorrectly. This patch corrects incorrect outputs. (undecoded bcd numbers, incorrectly decoded register values) This patch affects the pr-debug messages only. Signed-off-by:
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- 25 Aug, 2011 31 commits
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Axel Lin authored
bd2802_unregister_led_classdev() should unregister all registered instances of led_classdev class that had registered by bd2802_register_led_classdev(). Signed-off-by:
Axel Lin <axel.lin@gmail.com> Acked-by:
Kim Kyuwon <q1.kim@samsung.com> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by:
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WANG Cong authored
Fix the following build errors: drivers/tty/serial/8250_early.c:160: error: 'BASE_BAUD' undeclared (first use in this function): 1 errors in 1 logs drivers/tty/serial/8250_early.c:37:24: error: asm/serial.h: No such file or directory: 1 errors in 1 logs I am not sure if (1843200 / 16) is suitable for cris, but most other arch's define it as this value. Signed-off-by:
WANG Cong <xiyou.wangcong@gmail.com> Cc: Mikael Starvik <starvik@axis.com> Cc: Jesper Nilsson <jesper.nilsson@axis.com> Signed-off-by:
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Axel Lin authored
Since 43cc71ee ("platform: prefix MODALIAS with "platform:""), the platform modalias is prefixed with "platform:". This patch changes the MODULE_ALIAS to "platform:ab8500-pwm". Signed-off-by:
Arun Murthy <arun.murthy@stericsson.com> Cc: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by:
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Axel Lin authored
Make sure we are passing the same cookie in all calls to request_threaded_irq() and free_irq(). Signed-off-by:
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Axel Lin authored
This is an i2c driver, not a platform driver, thus use "i2c" prefix for the module alias. Signed-off-by:
Michael Hennerich <michael.hennerich@analog.com> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by:
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Dilan Lee authored
We need a callback to do some things after pwm_enable, pwm_disable and pwm_config. Signed-off-by:
Dilan Lee <dilee@nvidia.com> Reviewed-by:
Robert Morell <rmorell@nvidia.com> Reviewed-by:
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Johannes Weiner authored
Commit 79dfdacc ("memcg: make oom_lock 0 and 1 based rather than counter") tried to oom lock the hierarchy and roll back upon encountering an already locked memcg. The code is confused when it comes to detecting a locked memcg, though, so it would fail and rollback after locking one memcg and encountering an unlocked second one. The result is that oom-locking hierarchies fails unconditionally and that every oom killer invocation simply goes to sleep on the oom waitqueue forever. The tasks practically hang forever without anyone intervening, possibly holding locks that trip up unrelated tasks, too. Signed-off-by:
Johannes Weiner <jweiner@redhat.com> Acked-by:
Michal Hocko <mhocko@suse.cz> Acked-by:
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by:
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Axel Lin authored
Add missing include of linux/module.h for drivers that use interfaces from linux/module.h. This patch fixes build errors. Signed-off-by:
Kristoffer Ericson <kristoffer.ericson@gmail.com> Cc: Magnus Damm <damm@opensource.se> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by:
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Axel Lin authored
ep93xx_bl.c uses interfaces from linux/module.h, so it should include that file. This patch fixes build errors: CC [M] drivers/video/backlight/ep93xx_bl.o drivers/video/backlight/ep93xx_bl.c:138: error: 'THIS_MODULE' undeclared here (not in a function) drivers/video/backlight/ep93xx_bl.c:158: error: expected declaration specifiers or '...' before string constant drivers/video/backlight/ep93xx_bl.c:158: warning: data definition has no type or storage class ... Signed-off-by:H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Ryan Mallon <rmallon@gmail.com> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by:
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Alexandre Bounine authored
Replace/remove use of RIO v.1.2 registers/bits that are not forward-compatible with newer versions of RapidIO specification. RapidIO specification v.1.3 removed Write Port CSR, Doorbell CSR, Mailbox CSR and Mailbox and Doorbell bits of the PEF CAR. Use of removed (since RIO v.1.3) register bits affects users of currently available 1.3 and 2.x compliant devices who may use not so recent kernel versions. Removing checks for unsupported bits makes corresponding routines compatible with all versions of RapidIO specification. Therefore, backporting makes stable kernel versions compliant with RIO v.1.3 and later as well. Signed-off-by:
Alexandre Bounine <alexandre.bounine@idt.com> Cc: Kumar Gala <galak@kernel.crashing.org> Cc: Matt Porter <mporter@kernel.crashing.org> Cc: Li Yang <leoli@freescale.com> Cc: Thomas Moll <thomas.moll@sysgo.com> Cc: Chul Kim <chul.kim@idt.com> Cc: <stable@kernel.org> Signed-off-by:
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Shaohua Li authored
ZONE_CONGESTED is only cleared in kswapd, but pages can be freed in any task. It's possible ZONE_CONGESTED isn't cleared in some cases: 1. the zone is already balanced just entering balance_pgdat() for order-0 because concurrent tasks free memory. In this case, later check will skip the zone as it's balanced so the flag isn't cleared. 2. high order balance fallbacks to order-0. quote from Mel: At the end of balance_pgdat(), kswapd uses the following logic; If reclaiming at high order { for each zone { if all_unreclaimable skip if watermark is not met order = 0 loop again /* watermark is met */ clear congested } } i.e. it clears ZONE_CONGESTED if it the zone is balanced. if not, it restarts balancing at order-0. However, if the higher zones are balanced for order-0, kswapd will miss clearing ZONE_CONGESTED as that only happens after a zone is shrunk. This can mean that wait_iff_congested() stalls unnecessarily. This patch makes kswapd clear ZONE_CONGESTED during its initial highmem->dma scan for zones that are already balanced. Signed-off-by:Shaohua Li <shaohua.li@intel.com> Acked-by:
Mel Gorman <mgorman@suse.de> Reviewed-by:
Minchan Kim <minchan.kim@gmail.com> Signed-off-by:
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Nishanth Aravamudan authored
It seems that 7bf69395 ("console: allow to retain boot console via boot option keep_bootcon") doesn't always achieve what it aims, as when printk_late_init() runs it unconditionally turns off all boot consoles. With this patch, I am able to see more messages on the boot console in KVM guests than I can without, when keep_bootcon is specified. I think it is appropriate for the relevant -stable trees. However, it's more of an annoyance than a serious bug (ideally you don't need to keep the boot console around as console handover should be working -- I was encountering a situation where the console handover wasn't working and not having the boot console available meant I couldn't see why). Signed-off-by:
Nishanth Aravamudan <nacc@us.ibm.com> Cc: David S. Miller <davem@davemloft.net> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Greg KH <gregkh@suse.de> Acked-by:
Fabio M. Di Nitto <fdinitto@redhat.com> Cc: <stable@kernel.org> [2.6.39.x, 3.0.x] Signed-off-by:
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Wanlong Gao authored
Paul said: I left Google at the end of last week - if it's not bouncing already, menage@google.com isn't going to work for much longer. Signed-off-by:
Wanlong Gao <gaowanlong@cn.fujitsu.com> Acked-by:
Paul Menage <paul@paulmenage.org> Signed-off-by:
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Shaohua Li authored
I get the below warning: BUG: using smp_processor_id() in preemptible [00000000] code: bash/746 caller is native_sched_clock+0x37/0x6e Pid: 746, comm: bash Tainted: G W 3.0.0+ #254 Call Trace: [<ffffffff813435c6>] debug_smp_processor_id+0xc2/0xdc [<ffffffff8104158d>] native_sched_clock+0x37/0x6e [<ffffffff81116219>] try_to_free_mem_cgroup_pages+0x7d/0x270 [<ffffffff8114f1f8>] mem_cgroup_force_empty+0x24b/0x27a [<ffffffff8114ff21>] ? sys_close+0x38/0x138 [<ffffffff8114ff21>] ? sys_close+0x38/0x138 [<ffffffff8114f257>] mem_cgroup_force_empty_write+0x17/0x19 [<ffffffff810c72fb>] cgroup_file_write+0xa8/0xba [<ffffffff811522d2>] vfs_write+0xb3/0x138 [<ffffffff8115241a>] sys_write+0x4a/0x71 [<ffffffff8114ffd9>] ? sys_close+0xf0/0x138 [<ffffffff8176deab>] system_call_fastpath+0x16/0x1b sched_clock() can't be used with preempt enabled. And we don't need fast approach to get clock here, so let's use ktime API. Signed-off-by:
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Thomas Meyer authored
The various basic memory allocation function return NULL, not an ERR_PTR. The semantic patch that makes this change is available in scripts/coccinelle/null/eno.cocci. More information about semantic patching is available at http://coccinelle.lip6.fr/Signed-off-by:
Thomas Meyer <thomas@m3y3r.de> Cc: Niranjana Vishwanathapura <nvishwan@codeaurora.org> Signed-off-by:
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Hui Zhu authored
The test for bad usage of min_t() and max_t() is missing the --ignore type. Add it. Signed-off-by:
Hui Zhu <teawater@gmail.com> Signed-off-by:
Joe Perches <joe@perches.com> Signed-off-by:
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Ralf Thielow authored
Change to new git tree - (git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git). Signed-off-by:
Ralf Thielow <ralf.thielow@googlemail.com> Cc: Joe Perches <joe@perches.com> Signed-off-by:
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Johannes Weiner authored
Commit d1a05b69 ("memcg do not try to drain per-cpu caches without pages") added a drain_local_stock() call to a preemptible section. The draining task looks up the cpu-local stock twice to set the draining-flag, then to drain the stock and clear the flag again. If the task is migrated to a different CPU in between, noone will clear the flag on the first stock and it will be forever undrainable. Its charge can not be recovered and the cgroup can not be deleted anymore. Properly pin the task to the executing CPU while draining stocks. Signed-off-by:
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Evgeniy Polyakov authored
Signed-off-by:
Evgeniy Polyakov <zbr@ioremap.net> Signed-off-by:
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Dan Carpenter authored
The for loop was looking for i <= 0 instead of i >= 0 so this function never did anything. Also we started with i = NB_SYSFS_BIN_FILES instead of "NB_SYSFS_BIN_FILES - 1" which is an off by one bug. Reported-by:
Bojan Prtvar <prtvar.b@gmail.com> Signed-off-by:
Dan Carpenter <error27@gmail.com> Acked-by:
Jean-Franois Dagenais <dagenaisj@sonatest.com> Cc: Evgeniy Polyakov <zbr@ioremap.net> Signed-off-by:
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Sergei Trofimovich authored
The bug was accidentally found by the following program: #include <asm/sysinfo.h> #include <asm/unistd.h> #include <sys/syscall.h> static int setsysinfo(unsigned long op, void *buffer, unsigned long size, int *start, void *arg, unsigned long flag) { return syscall(__NR_osf_setsysinfo, op, buffer, size, start, arg, flag); } int main(int argc, char **argv) { short x[10]; unsigned int buf[2] = { SSIN_UACPROC, UAC_SIGBUS, }; setsysinfo(SSI_NVPAIRS, buf, 1, 0, 0, 0); int *y = (int*) (x+1); *y = 0; return 0; } The program shoud fail on SIGBUS, but didn't. The patch is a second part of userspace flag fix (commit 745dd240 "Alpha: Rearrange thread info flags fixing two regressions"). Deleted outdated out-of-sync 'UAC_SHIFT' (the cause of bug) in favour of 'ALPHA_UAC_SHIFT'. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by:Sergei Trofimovich <slyfox@gentoo.org> Acked-by:
Michael Cree <mcree@orcon.net.nz> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Matt Turner <mattst88@gmail.com> Signed-off-by:
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Sergei Trofimovich authored
Found on allmodconfig build (ARCH=alpha) drivers/misc/pti.c: In function 'get_id': drivers/misc/pti.c:249: error: implicit declaration of function 'kmalloc' drivers/misc/pti.c: In function 'pti_char_write': drivers/misc/pti.c:658: error: implicit declaration of function 'copy_from_user' Signed-off-by: -
Andy Lutomirski authored
entry_32.S contained a hardcoded alternative instruction entry, and the format changed in commit 59e97e4d ("x86: Make alternative instruction pointers relative"). Replace the hardcoded entry with the altinstruction_entry macro. This fixes the 32-bit boot with CONFIG_X86_INVD_BUG=y. Reported-and-tested-by:
Arnaud Lacombe <lacombar@gmail.com> Signed-off-by:
Andy Lutomirski <luto@mit.edu> Cc: Peter Anvin <hpa@zytor.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by:
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Tejun Heo authored
While removing custom rendezvous code and switching to stop_machine, commit 192d8857 ("x86, mtrr: use stop_machine APIs for doing MTRR rendezvous") completely dropped mtrr setting code on !CONFIG_SMP breaking MTRR settting on UP. Fix it by removing the incorrect CONFIG_SMP. Signed-off-by:
Tejun Heo <tj@kernel.org> Reported-by:
Anders Eriksson <aeriksson@fastmail.fm> Tested-and-acked-by:
Suresh Siddha <suresh.b.siddha@intel.com> Acked-by:
H. Peter Anvin <hpa@zytor.com> Signed-off-by:
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Josh Boyer authored
Purely in-memory filesystems do not use the inode hash as the dcache tells us if an entry already exists. As a result, they do not call unlock_new_inode, and thus directory inodes do not get put into a different lockdep class for i_sem. We need the different lockdep classes, because the locking order for i_mutex is different for directory inodes and regular inodes. Directory inodes can do "readdir()", which takes i_mutex *before* possibly taking mm->mmap_sem (due to a page fault while copying the directory entry to user space). In contrast, regular inodes can be mmap'ed, which takes mm->mmap_sem before accessing i_mutex. The two cases can never happen for the same inode, so no real deadlock can occur, but without the different lockdep classes, lockdep cannot understand that. As a result, if CONFIG_DEBUG_LOCK_ALLOC is set, this can lead to false positives from lockdep like below: find/645 is trying to acquire lock: (&mm->mmap_sem){++++++}, at: [<ffffffff81109514>] might_fault+0x5c/0xac but task is already holding lock: (&sb->s_type->i_mutex_key#15){+.+.+.}, at: [<ffffffff81149f34>] vfs_readdir+0x5b/0xb4 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&sb->s_type->i_mutex_key#15){+.+.+.}: [<ffffffff8108ac26>] lock_acquire+0xbf/0x103 [<ffffffff814db822>] __mutex_lock_common+0x4c/0x361 [<ffffffff814dbc46>] mutex_lock_nested+0x40/0x45 [<ffffffff811daa87>] hugetlbfs_file_mmap+0x82/0x110 [<ffffffff81111557>] mmap_region+0x258/0x432 [<ffffffff811119dd>] do_mmap_pgoff+0x2ac/0x306 [<ffffffff81111b4f>] sys_mmap_pgoff+0x118/0x16a [<ffffffff8100c858>] sys_mmap+0x22/0x24 [<ffffffff814e3ec2>] system_call_fastpath+0x16/0x1b -> #0 (&mm->mmap_sem){++++++}: [<ffffffff8108a4bc>] __lock_acquire+0xa1a/0xcf7 [<ffffffff8108ac26>] lock_acquire+0xbf/0x103 [<ffffffff81109541>] might_fault+0x89/0xac [<ffffffff81149cff>] filldir+0x6f/0xc7 [<ffffffff811586ea>] dcache_readdir+0x67/0x205 [<ffffffff81149f54>] vfs_readdir+0x7b/0xb4 [<ffffffff8114a073>] sys_getdents+0x7e/0xd1 [<ffffffff814e3ec2>] system_call_fastpath+0x16/0x1b This patch moves the directory vs file lockdep annotation into a helper function that can be called by in-memory filesystems and has hugetlbfs call it. Signed-off-by:Josh Boyer <jwboyer@redhat.com> Acked-by:
Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/wfg/writebackLinus Torvalds authored
* 'urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/writeback: squeeze max-pause area and drop pass-good area
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git://git.kernel.org/pub/scm/linux/kernel/git/brodo/cpupowerutilsLinus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/brodo/cpupowerutils: cpupower: use man(1) when calling "cpupower help subcommand" cpupower: make NLS truly optional cpupower: fix Makefile typo cpupower: Make monitor command -c/--cpu aware cpupower: Better detect offlined CPUs cpupower: Do not show an empty Idle_Stats monitor if no idle driver is available cpupower: mperf monitor - Use TSC to calculate max frequency if possible cpupower: avoid using symlinks
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/stagingLinus Torvalds authored
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/staging: hwmon: (i5k_amb) Drop i5k_channel_pci_id hwmon: (ntc_thermistor) Simplify if sequence
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git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pendingLinus Torvalds authored
* '3.1-rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (21 commits) target: Convert acl_node_lock to be IRQ-disabling target: Make locking in transport_deregister_session() IRQ safe tcm_fc: init/exit functions should not be protected by "#ifdef MODULE" target: Print subpage too for unhandled MODE SENSE pages iscsi-target: Fix iscsit_allocate_se_cmd_for_tmr failure path bugs iscsi-target: Implement iSCSI target IPv6 address printing. target: Fix task SGL chaining breakage with transport_allocate_data_tasks target: Fix task count > 1 handling breakage and use max_sector page alignment target: Add missing DATA_SG_IO transport_cmd_get_valid_sectors check target: Fix SYNCHRONIZE_CACHE zero LBA + range breakage target: Remove duplicate task completions in transport_emulate_control_cdb target: Fix WRITE_SAME usage with transport_get_size target: Add WRITE_SAME (10) parsing and refactor passthrough checks target: Fix write payload exception handling with ->new_cmd_map iscsi-target: forever loop bug in iscsit_attach_ooo_cmdsn() iscsi-target: remove duplicate return target: Convert target_core_rd.c to use use BUG_ON iscsi-target: Fix leak on failure in iscsi_copy_param_list() target: Use ERR_CAST inlined function target: Make standard INQUIRY return 'not connected' for tpg_virt_lun0 ...
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Andi Kleen authored
I ran into a couple of programs which broke with the new Linux 3.0 version. Some of those were binary only. I tried to use LD_PRELOAD to work around it, but it was quite difficult and in one case impossible because of a mix of 32bit and 64bit executables. For example, all kind of management software from HP doesnt work, unless we pretend to run a 2.6 kernel. $ uname -a Linux svivoipvnx001 3.0.0-08107-g97cd98f #1062 SMP Fri Aug 12 18:11:45 CEST 2011 i686 i686 i386 GNU/Linux $ hpacucli ctrl all show Error: No controllers detected. $ rpm -qf /usr/sbin/hpacucli hpacucli-8.75-12.0 Another notable case is that Python now reports "linux3" from sys.platform(); which in turn can break things that were checking sys.platform() == "linux2": https://bugzilla.mozilla.org/show_bug.cgi?id=664564 It seems pretty clear to me though it's a bug in the apps that are using '==' instead of .startswith(), but this allows us to unbreak broken programs. This patch adds a UNAME26 personality that makes the kernel report a 2.6.40+x version number instead. The x is the x in 3.x. I know this is somewhat ugly, but I didn't find a better workaround, and compatibility to existing programs is important. Some programs also read /proc/sys/kernel/osrelease. This can be worked around in user space with mount --bind (and a mount namespace) To use: wget ftp://ftp.kernel.org/pub/linux/kernel/people/ak/uname26/uname26.c gcc -o uname26 uname26.c ./uname26 program Signed-off-by:
Andi Kleen <ak@linux.intel.com> Signed-off-by:
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David Henningsson authored
Headphones has stopped working for the original reported (a regression compared to 2.6.38). This is because Speaker and Headphones share the same DAC, in which case no Headphones volume control was created. This patch fixes so that both Speaker and Headphones volume controls are created in such scenario. BugLink: http://bugs.launchpad.net/bugs/817943Signed-off-by:
David Henningsson <david.henningsson@canonical.com> Signed-off-by:
Takashi Iwai <tiwai@suse.de>
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- 24 Aug, 2011 1 commit
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Linus Torvalds authored
In commit a144c6a6 ("PM: Print a warning if firmware is requested when tasks are frozen") we not only printed a warning if somebody tried to load the firmware when tasks are frozen - we also failed the load. But that check was done before the check for built-in firmware, and then when we disallowed usermode helpers during bootup (commit 288d5abe: "Boot up with usermodehelper disabled"), that actually means that built-in modules can no longer load their firmware even if the firmware is built in too. Which used to work, and some people depended on it for the R100 driver. So move the test for usermodehelper_is_disabled() down, to after checking the built-in firmware. This should fix: https://bugzilla.kernel.org/show_bug.cgi?id=40952Reported-by:
James Cloos <cloos@hjcloos.com> Bisected-by:
Elimar Riesebieter <riesebie@lxtec.de> Cc: Michel Dänzer <michel@daenzer.net> Cc: Rafael Wysocki <rjw@sisk.pl> Cc: Greg Kroah-Hartman <gregkh@suse.de> Cc: Valdis Kletnieks <valdis.kletnieks@vt.edu> Signed-off-by:
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