- 24 3月, 2013 15 次提交
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由 Kent Overstreet 提交于
Signed-off-by: NKent Overstreet <koverstreet@google.com> CC: Jens Axboe <axboe@kernel.dk> CC: NeilBrown <neilb@suse.de>
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由 Kent Overstreet 提交于
More prep work for immutable bio vecs, mainly getting rid of references to bi_idx. bio_reset was being open coded in a few places. The one in sync_request was a bit nontrivial to convert, so could use some extra eyeballs. Signed-off-by: NKent Overstreet <koverstreet@google.com> CC: Jens Axboe <axboe@kernel.dk> CC: NeilBrown <neilb@suse.de> Acked-by: NNeilBrown <neilb@suse.de>
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由 Kent Overstreet 提交于
Random cleanup - this code was duplicated and it's not really specific to md. Also added the ability to return the actual error code. Signed-off-by: NKent Overstreet <koverstreet@google.com> CC: Jens Axboe <axboe@kernel.dk> CC: NeilBrown <neilb@suse.de> Acked-by: NTejun Heo <tj@kernel.org>
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由 Kent Overstreet 提交于
More prep work for immutable bvecs/effecient bio splitting - usage of bi_vcnt has to be auditing, so getting rid of all the unnecessary usage makes that easier. Plus, bio_segments() is really what this code wanted, as it respects the current value of bi_idx. Signed-off-by: NKent Overstreet <koverstreet@google.com> CC: Jens Axboe <axboe@kernel.dk> CC: Eric Moore <Eric.Moore@lsi.com> CC: "James E.J. Bottomley" <JBottomley@parallels.com> CC: linux-scsi@vger.kernel.org
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由 Kent Overstreet 提交于
For immutable bvecs, all bi_idx usage needs to be audited - so here we're removing all the unnecessary uses. Most of these are places where it was being initialized on a bio that was just allocated, a few others are conversions to standard macros. Signed-off-by: NKent Overstreet <koverstreet@google.com> CC: Jens Axboe <axboe@kernel.dk>
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由 Kent Overstreet 提交于
In the current code bio_split() won't be seeing partially completed bios so this doesn't change any behaviour, but this makes the code a bit clearer as to what bio_split() actually requires. The immediate purpose of the patch is removing unnecessary bi_idx references, but the end goal is to allow partial completed bios to be submitted, which along with immutable biovecs enables effecient bio splitting. Some of the callers were (double) checking that bios could be split, so update their checks too. Signed-off-by: NKent Overstreet <koverstreet@google.com> CC: Jens Axboe <axboe@kernel.dk> CC: Lars Ellenberg <drbd-dev@lists.linbit.com> CC: Neil Brown <neilb@suse.de> CC: Martin K. Petersen <martin.petersen@oracle.com>
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由 Kent Overstreet 提交于
Bunch of places in the code weren't using it where they could be - this'll reduce the size of the patch that puts bi_sector/bi_size/bi_idx into a struct bvec_iter. Signed-off-by: NKent Overstreet <koverstreet@google.com> CC: Jens Axboe <axboe@kernel.dk> CC: "Ed L. Cashin" <ecashin@coraid.com> CC: Nick Piggin <npiggin@kernel.dk> CC: Jiri Kosina <jkosina@suse.cz> CC: Jim Paris <jim@jtan.com> CC: Geoff Levand <geoff@infradead.org> CC: Alasdair Kergon <agk@redhat.com> CC: dm-devel@redhat.com CC: Neil Brown <neilb@suse.de> CC: Steven Rostedt <rostedt@goodmis.org> Acked-by: NEd Cashin <ecashin@coraid.com>
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由 Kent Overstreet 提交于
Just a little convenience macro - main reason to add it now is preparing for immutable bio vecs, it'll reduce the size of the patch that puts bi_sector/bi_size/bi_idx into a struct bvec_iter. Signed-off-by: NKent Overstreet <koverstreet@google.com> CC: Jens Axboe <axboe@kernel.dk> CC: Lars Ellenberg <drbd-dev@lists.linbit.com> CC: Jiri Kosina <jkosina@suse.cz> CC: Alasdair Kergon <agk@redhat.com> CC: dm-devel@redhat.com CC: Neil Brown <neilb@suse.de> CC: Martin Schwidefsky <schwidefsky@de.ibm.com> CC: Heiko Carstens <heiko.carstens@de.ibm.com> CC: linux-s390@vger.kernel.org CC: Chris Mason <chris.mason@fusionio.com> CC: Steven Whitehouse <swhiteho@redhat.com> Acked-by: NSteven Whitehouse <swhiteho@redhat.com>
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由 Kent Overstreet 提交于
Signed-off-by: NKent Overstreet <koverstreet@google.com> CC: Jens Axboe <axboe@kernel.dk> CC: NeilBrown <neilb@suse.de> Acked-by: NNeilBrown <neilb@suse.de>
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由 Kent Overstreet 提交于
Converts it to use bio_advance(), simplifying it quite a bit in the process. Note that req_bio_endio() now always calls bio_advance() - which means it always loops over the biovec, not just on partial completions. Don't expect it to affect performance, but worth noting. Tested it by forcing partial updates, and dumping before and after on various bio/bvec fields when doing a partial update. Signed-off-by: NKent Overstreet <koverstreet@google.com> CC: Jens Axboe <axboe@kernel.dk>
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由 Kent Overstreet 提交于
This is prep work for immutable bio vecs; we first want to centralize where bvecs are modified. Next two patches convert some existing code to use this function. Signed-off-by: NKent Overstreet <koverstreet@google.com> CC: Jens Axboe <axboe@kernel.dk>
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由 Kent Overstreet 提交于
This adds a pointer to the bvec array to struct bio_integrity_payload, instead of the bvecs always being inline; then the bvecs are allocated with bvec_alloc_bs(). Changed bvec_alloc_bs() and bvec_free_bs() to take a pointer to a mempool instead of the bioset, so that bio integrity can use a different mempool for its bvecs, and thus avoid a potential deadlock. This is eventually for immutable bio vecs - immutable bvecs aren't useful if we still have to copy them, hence the need for the pointer. Less code is always nice too, though. Also, bio_integrity_alloc() was using fs_bio_set if no bio_set was specified. This was wrong - using the bio_set doesn't protect us from memory allocation failures, because we just used kmalloc for the bio_integrity_payload. But it does introduce the possibility of deadlock, if for some reason we weren't supposed to be using fs_bio_set. Signed-off-by: NKent Overstreet <koverstreet@google.com> CC: Jens Axboe <axboe@kernel.dk> CC: Martin K. Petersen <martin.petersen@oracle.com>
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由 Kent Overstreet 提交于
bio_integrity_split() seemed to be confusing pointers and arrays - bip_vec in bio_integrity_payload was an array appended to the end of the payload, so the bio_vecs in struct bio_pair should have come after the bio_integrity_payload they're for. Fix it by making bip_vec a pointer to the inline vecs - a later patch is going to make more use of this pointer. Signed-off-by: NKent Overstreet <koverstreet@google.com> CC: Jens Axboe <axboe@kernel.dk> CC: Martin K. Petersen <martin.petersen@oracle.com>
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由 Kent Overstreet 提交于
Previously, if we ever try to allocate more than once from the same bio set while running under generic_make_request() (i.e. a stacking block driver), we risk deadlock. This is because of the code in generic_make_request() that converts recursion to iteration; any bios we submit won't actually be submitted (so they can complete and eventually be freed) until after we return - this means if we allocate a second bio, we're blocking the first one from ever being freed. Thus if enough threads call into a stacking block driver at the same time with bios that need multiple splits, and the bio_set's reserve gets used up, we deadlock. This can be worked around in the driver code - we could check if we're running under generic_make_request(), then mask out __GFP_WAIT when we go to allocate a bio, and if the allocation fails punt to workqueue and retry the allocation. But this is tricky and not a generic solution. This patch solves it for all users by inverting the previously described technique. We allocate a rescuer workqueue for each bio_set, and then in the allocation code if there are bios on current->bio_list we would be blocking, we punt them to the rescuer workqueue to be submitted. This guarantees forward progress for bio allocations under generic_make_request() provided each bio is submitted before allocating the next, and provided the bios are freed after they complete. Note that this doesn't do anything for allocation from other mempools. Instead of allocating per bio data structures from a mempool, code should use bio_set's front_pad. Tested it by forcing the rescue codepath to be taken (by disabling the first GFP_NOWAIT) attempt, and then ran it with bcache (which does a lot of arbitrary bio splitting) and verified that the rescuer was being invoked. Signed-off-by: NKent Overstreet <koverstreet@google.com> CC: Jens Axboe <axboe@kernel.dk> Acked-by: NTejun Heo <tj@kernel.org> Reviewed-by: NMuthukumar Ratty <muthur@gmail.com>
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由 Kent Overstreet 提交于
This is prep work for the next patch, which embeds a struct bio_list in struct bio_set. Signed-off-by: NKent Overstreet <koverstreet@google.com> CC: Jens Axboe <axboe@kernel.dk>
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- 18 3月, 2013 4 次提交
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由 Linus Torvalds 提交于
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由 David Rientjes 提交于
Commit 1d9d8639 ("perf,x86: fix kernel crash with PEBS/BTS after suspend/resume") introduces a link failure since perf_restore_debug_store() is only defined for CONFIG_CPU_SUP_INTEL: arch/x86/power/built-in.o: In function `restore_processor_state': (.text+0x45c): undefined reference to `perf_restore_debug_store' Fix it by defining the dummy function appropriately. Signed-off-by: NDavid Rientjes <rientjes@google.com> Cc: stable@vger.kernel.org Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Linus Torvalds 提交于
Commit 1d9d8639 ("perf,x86: fix kernel crash with PEBS/BTS after suspend/resume") fixed a crash when doing PEBS performance profiling after resuming, but in using init_debug_store_on_cpu() to restore the DS_AREA mtrr it also resulted in a new WARN_ON() triggering. init_debug_store_on_cpu() uses "wrmsr_on_cpu()", which in turn uses CPU cross-calls to do the MSR update. Which is not really valid at the early resume stage, and the warning is quite reasonable. Now, it all happens to _work_, for the simple reason that smp_call_function_single() ends up just doing the call directly on the CPU when the CPU number matches, but we really should just do the wrmsr() directly instead. This duplicates the wrmsr() logic, but hopefully we can just remove the wrmsr_on_cpu() version eventually. Reported-and-tested-by: NParag Warudkar <parag.lkml@gmail.com> Cc: stable@vger.kernel.org Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs由 Linus Torvalds 提交于
Pull btrfs fixes from Chris Mason: "Eric's rcu barrier patch fixes a long standing problem with our unmount code hanging on to devices in workqueue helpers. Liu Bo nailed down a difficult assertion for in-memory extent mappings." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: Btrfs: fix warning of free_extent_map Btrfs: fix warning when creating snapshots Btrfs: return as soon as possible when edquot happens Btrfs: return EIO if we have extent tree corruption btrfs: use rcu_barrier() to wait for bdev puts at unmount Btrfs: remove btrfs_try_spin_lock Btrfs: get better concurrency for snapshot-aware defrag work
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- 16 3月, 2013 9 次提交
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由 Liu Bo 提交于
Users report that an extent map's list is still linked when it's actually going to be freed from cache. The story is that a) when we're going to drop an extent map and may split this large one into smaller ems, and if this large one is flagged as EXTENT_FLAG_LOGGING which means that it's on the list to be logged, then the smaller ems split from it will also be flagged as EXTENT_FLAG_LOGGING, and this is _not_ expected. b) we'll keep ems from unlinking the list and freeing when they are flagged with EXTENT_FLAG_LOGGING, because the log code holds one reference. The end result is the warning, but the truth is that we set the flag EXTENT_FLAG_LOGGING only during fsync. So clear flag EXTENT_FLAG_LOGGING for extent maps split from a large one. Reported-by: NJohannes Hirte <johannes.hirte@fem.tu-ilmenau.de> Reported-by: NDarrick J. Wong <darrick.wong@oracle.com> Signed-off-by: NLiu Bo <bo.li.liu@oracle.com> Signed-off-by: NChris Mason <chris.mason@fusionio.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild由 Linus Torvalds 提交于
Pull kbuild fix from Michal Marek: "One fix for for make headers_install/headers_check to not require make 3.81. The requirement has been accidentally introduced in 3.7." * 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: kbuild: fix make headers_check with make 3.80
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git://openrisc.net/jonas/linux由 Linus Torvalds 提交于
Pull OpenRISC bug fixes from Jonas Bonn: - The GPIO descriptor work has exposed how broken the non-GPIOLIB bits for OpenRISC were. We now require GPIOLIB as this is the preferred way forward. - The system.h split introduced a bug in llist.h for arches using asm-generic/cmpxchg.h directly, which is currently only OpenRISC. The patch here moves two defines from asm-generic/atomic.h to asm-generic/cmpxchg.h to make things work as they should. - The VIRT_TO_BUS selector was added for OpenRISC, but OpenRISC does not have the virt_to_bus methods, so there's a patch to remove it again. * tag 'for-3.9-rc3' of git://openrisc.net/jonas/linux: openrisc: remove HAVE_VIRT_TO_BUS asm-generic: move cmpxchg*_local defs to cmpxchg.h openrisc: require gpiolib
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc由 Linus Torvalds 提交于
Pull char/misc fixes from Greg Kroah-Hartman: "Here are some tiny fixes for the w1 drivers and the final removal patch for getting rid of CONFIG_EXPERIMENTAL (all users of it are now gone from your tree, this just drops the Kconfig item itself.) All have been in the linux-next tree for a while" * tag 'char-misc-3.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: final removal of CONFIG_EXPERIMENTAL w1: fix oops when w1_search is called from netlink connector w1-gpio: fix unused variable warning w1-gpio: remove erroneous __exit and __exit_p() ARM: w1-gpio: fix erroneous gpio requests
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound由 Linus Torvalds 提交于
Pull sound fixes from Takashi Iwai: "A collection of small fixes, as expected for the middle rc: - A couple of fixes for potential NULL dereferences and out-of-range array accesses revealed by static code parsers - A fix for the wrong error handling detected by trinity - A regression fix for missing audio on some MacBooks - CA0132 DSP loader fixes - Fix for EAPD control of IDT codecs on machines w/o speaker - Fix a regression in the HD-audio widget list parser code - Workaround for the NuForce UDH-100 USB audio" * tag 'sound-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda - Fix missing EAPD/GPIO setup for Cirrus codecs sound: sequencer: cap array index in seq_chn_common_event() ALSA: hda/ca0132 - Remove extra setting of dsp_state. ALSA: hda/ca0132 - Check download state of DSP. ALSA: hda/ca0132 - Check if dspload_image succeeded. ALSA: hda - Disable IDT eapd_switch if there are no internal speakers ALSA: hda - Fix snd_hda_get_num_raw_conns() to return a correct value ALSA: usb-audio: add a workaround for the NuForce UDH-100 ALSA: asihpi - fix potential NULL pointer dereference ALSA: seq: Fix missing error handling in snd_seq_timer_open()
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git://git.linaro.org/people/mszyprowski/linux-dma-mapping由 Linus Torvalds 提交于
Pull DMA-mapping fix from Marek Szyprowski: "An important fix for all ARM architectures which use ZONE_DMA. Without it dma_alloc_* calls with GFP_ATOMIC flag might have allocated buffers outsize DMA zone." * 'fixes-for-3.9' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping: ARM: DMA-mapping: add missing GFP_DMA flag for atomic buffer allocation
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git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-fixes由 Linus Torvalds 提交于
Pull MFD fixes from Samuel Ortiz: "This is the first batch of MFD fixes for 3.9. With this one we have: - An ab8500 build failure fix. - An ab8500 device tree parsing fix. - A fix for twl4030_madc remove routine to work properly (when built-in). - A fix for properly registering palmas interrupt handler. - A fix for omap-usb init routine to actually write into the hostconfig register. - A couple of warning fixes for ab8500-gpadc and tps65912" * tag 'mfd-fixes-3.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-fixes: mfd: twl4030-madc: Remove __exit_p annotation mfd: ab8500: Kill "reg" property from binding mfd: ab8500-gpadc: Complain if we fail to enable vtvout LDO mfd: wm831x: Don't forward declare enum wm831x_auxadc mfd: twl4030-audio: Fix argument type for twl4030_audio_disable_resource() mfd: tps65912: Declare and use tps65912_irq_exit() mfd: palmas: Provide irq flags through DT/platform data mfd: Make AB8500_CORE select POWER_SUPPLY to fix build error mfd: omap-usb-host: Actually update hostconfig
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging由 Linus Torvalds 提交于
Pull hwmon fixes from Guenter Roeck: "Bug fixes for pmbus, ltc2978, and lineage-pem drivers Added specific maintainer for some hwmon drivers" * tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (pmbus/ltc2978) Fix temperature reporting hwmon: (pmbus) Fix krealloc() misuse in pmbus_add_attribute() hwmon: (lineage-pem) Add missing terminating entry for pem_[input|fan]_attributes MAINTAINERS: Add maintainer for MAX6697, INA209, and INA2XX drivers
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由 Stephane Eranian 提交于
This patch fixes a kernel crash when using precise sampling (PEBS) after a suspend/resume. Turns out the CPU notifier code is not invoked on CPU0 (BP). Therefore, the DS_AREA (used by PEBS) is not restored properly by the kernel and keeps it power-on/resume value of 0 causing any PEBS measurement to crash when running on CPU0. The workaround is to add a hook in the actual resume code to restore the DS Area MSR value. It is invoked for all CPUS. So for all but CPU0, the DS_AREA will be restored twice but this is harmless. Reported-by: NLinus Torvalds <torvalds@linux-foundation.org> Signed-off-by: NStephane Eranian <eranian@google.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 15 3月, 2013 12 次提交
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由 Takashi Iwai 提交于
During the transition to the generic parser, the hook to the codec specific automute function was forgotten. This resulted in the silent output on some MacBooks. Signed-off-by: NTakashi Iwai <tiwai@suse.de>
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由 Dan Carpenter 提交于
"chn" here is a number between 0 and 255, but ->chn_info[] only has 16 elements so there is a potential write beyond the end of the array. If the seq_mode isn't SEQ_2 then we let the individual drivers (either opl3.c or midi_synth.c) handle it. Those functions all do a bounds check on "chn" so I haven't changed anything here. The opl3.c driver has up to 18 channels and not 16. Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com> Signed-off-by: NTakashi Iwai <tiwai@suse.de>
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由 Arnd Bergmann 提交于
4740f73f "mfd: remove use of __devexit" removed the __devexit annotation on the twl4030_madc_remove function, but left an __exit_p() present on the pointer to this function. Using __exit_p was as wrong with the devexit in place as it is now, but now we get a gcc warning about an unused function. In order for the twl4030_madc_remove to work correctly in built-in code, we have to remove the __exit_p. Cc: Bill Pemberton <wfp5p@virginia.edu> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: NArnd Bergmann <arnd@arndb.de> Signed-off-by: NSamuel Ortiz <sameo@linux.intel.com>
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由 Dylan Reid 提交于
spec->dsp_state is initialized to DSP_DOWNLOAD_INIT, no need to reset and check it in ca0132_download_dsp(). Signed-off-by: NDylan Reid <dgreid@chromium.org> Signed-off-by: NTakashi Iwai <tiwai@suse.de>
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由 Dylan Reid 提交于
Instead of using the dspload_is_loaded() function, check the dsp_state that is kept in the spec. The dspload_is_loaded() function returns true if the DSP transfer was never started. This false-positive leads to multiple second delays when ca0132_setup_efaults() times out on each write. Signed-off-by: NDylan Reid <dgreid@chromium.org> Signed-off-by: NTakashi Iwai <tiwai@suse.de>
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由 Dylan Reid 提交于
If dspload_image() fails, it was ignored and dspload_wait_loaded() was still called. dsp_loaded should never be set to true in this case, skip it. The check in dspload_wait_loaded() return true if the DSP is loaded or if it never started. Signed-off-by: NDylan Reid <dgreid@chromium.org> Signed-off-by: NTakashi Iwai <tiwai@suse.de>
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由 Michel Lespinasse 提交于
The vm_flags introduced in 6d7825b1 ("mm/fremap.c: fix oops on error path") is supposed to avoid a compiler warning about unitialized vm_flags without changing the generated code. However I am concerned that this is going to be very brittle, and fail with some compiler versions. The failure could be either of: - compiler could actually load vma->vm_flags before checking for the !vma condition, thus reintroducing the oops - compiler could optimize out the !vma check, since the pointer just got dereferenced shortly before (so the compiler knows it can't be NULL!) I propose reversing this part of the change and initializing vm_flags to 0 just to avoid the bogus uninitialized use warning. Signed-off-by: NMichel Lespinasse <walken@google.com> Cc: Tommi Rantala <tt.rantala@gmail.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu由 Linus Torvalds 提交于
Pull fix for hlist_entry_safe() regression from Paul McKenney: "This contains a single commit that fixes a regression in hlist_entry_safe(). This macro references its argument twice, which can cause NULL-pointer errors. This commit applies a gcc statement expression, creating a temporary variable to avoid the double reference. This has been posted to LKML at https://lkml.org/lkml/2013/3/9/75. Kudos to CAI Qian, whose testing uncovered this, to Eric Dumazet, who spotted root cause, and to Li Zefan, who tested this commit." * 'rcu/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: list: Fix double fetch of pointer in hlist_entry_safe()
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由 Paul E. McKenney 提交于
The current version of hlist_entry_safe() fetches the pointer twice, once to test for NULL and the other to compute the offset back to the enclosing structure. This is OK for normal lock-based use because in that case, the pointer cannot change. However, when the pointer is protected by RCU (as in "rcu_dereference(p)"), then the pointer can change at any time. This use case can result in the following sequence of events: 1. CPU 0 invokes hlist_entry_safe(), fetches the RCU-protected pointer as sees that it is non-NULL. 2. CPU 1 invokes hlist_del_rcu(), deleting the entry that CPU 0 just fetched a pointer to. Because this is the last entry in the list, the pointer fetched by CPU 0 is now NULL. 3. CPU 0 refetches the pointer, obtains NULL, and then gets a NULL-pointer crash. This commit therefore applies gcc's "({ })" statement expression to create a temporary variable so that the specified pointer is fetched only once, avoiding the above sequence of events. Please note that it is the caller's responsibility to use rcu_dereference() as needed. This allows RCU-protected uses to work correctly without imposing any additional overhead on the non-RCU case. Many thanks to Eric Dumazet for spotting root cause! Reported-by: NCAI Qian <caiqian@redhat.com> Reported-by: NEric Dumazet <eric.dumazet@gmail.com> Signed-off-by: NPaul E. McKenney <paulmck@linux.vnet.ibm.com> Tested-by: NLi Zefan <lizefan@huawei.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs由 Linus Torvalds 提交于
Pull ext2, ext3, reiserfs, quota fixes from Jan Kara: "A fix for regression in ext2, and a format string issue in ext3. The rest isn't too serious." * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: ext2: Fix BUG_ON in evict() on inode deletion reiserfs: Use kstrdup instead of kmalloc/strcpy ext3: Fix format string issues quota: add missing use of dq_data_lock in __dquot_initialize
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由 Liu Bo 提交于
Creating snapshot passes extent_root to commit its transaction, but it can lead to the warning of checking root for quota in the __btrfs_end_transaction() when someone else is committing the current transaction. Since we've recorded the needed root in trans_handle, just use it to get rid of the warning. Signed-off-by: NLiu Bo <bo.li.liu@oracle.com> Signed-off-by: NChris Mason <chris.mason@fusionio.com>
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由 Wang Shilong 提交于
If one of qgroup fails to reserve firstly, we should return immediately, it is unnecessary to continue check. Signed-off-by: NWang Shilong <wangsl-fnst@cn.fujitsu.com> Signed-off-by: NJosef Bacik <jbacik@fusionio.com> Signed-off-by: NChris Mason <chris.mason@fusionio.com>
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