Mike Galbraith 2a26ebef84 rt,blk,mq: Make blk_mq_cpu_notify_lock a raw spinlock ... [ 365.164040] BUG: sleeping function called from invalid context at kernel/rtmutex.c:674 [ 365.164041] in_atomic(): 1, irqs_disabled(): 1, pid: 26, name: migration/1 [ 365.164043] no locks held by migration/1/26. [ 365.164044] irq event stamp: 6648 [ 365.164056] hardirqs last enabled at (6647): [<ffffffff8153d377>] restore_args+0x0/0x30 [ 365.164062] hardirqs last disabled at (6648): [<ffffffff810ed98d>] multi_cpu_stop+0x9d/0x120 [ 365.164070] softirqs last enabled at (0): [<ffffffff810543bc>] copy_process.part.28+0x6fc/0x1920 [ 365.164072] softirqs last disabled at (0): [< (null)>] (null) [ 365.164076] CPU: 1 PID: 26 Comm: migration/1 Tainted: GF N 3.12.12-rt19-0.gcb6c4a2-rt #3 [ 365.164078] Hardware name: QCI QSSC-S4R/QSSC-S4R, BIOS QSSC-S4R.QCI.01.00.S013.032920111005 03/29/2011 [ 365.164091] 0000000000000001 ffff880a42ea7c30 ffffffff815367e6 ffffffff81a086c0 [ 365.164099] ffff880a42ea7c40 ffffffff8108919c ffff880a42ea7c60 ffffffff8153c24f [ 365.164107] ffff880a42ea91f0 00000000ffffffe1 ffff880a42ea7c88 ffffffff81297ec0 [ 365.164108] Call Trace: [ 365.164119] [<ffffffff810060b1>] try_stack_unwind+0x191/0x1a0 [ 365.164127] [<ffffffff81004872>] dump_trace+0x92/0x360 [ 365.164133] [<ffffffff81006108>] show_trace_log_lvl+0x48/0x60 [ 365.164138] [<ffffffff81004c18>] show_stack_log_lvl+0xd8/0x1d0 [ 365.164143] [<ffffffff81006160>] show_stack+0x20/0x50 [ 365.164153] [<ffffffff815367e6>] dump_stack+0x54/0x9a [ 365.164163] [<ffffffff8108919c>] __might_sleep+0xfc/0x140 [ 365.164173] [<ffffffff8153c24f>] rt_spin_lock+0x1f/0x70 [ 365.164182] [<ffffffff81297ec0>] blk_mq_main_cpu_notify+0x20/0x70 [ 365.164191] [<ffffffff81540a1c>] notifier_call_chain+0x4c/0x70 [ 365.164201] [<ffffffff81083499>] __raw_notifier_call_chain+0x9/0x10 [ 365.164207] [<ffffffff810567be>] cpu_notify+0x1e/0x40 [ 365.164217] [<ffffffff81525da2>] take_cpu_down+0x22/0x40 [ 365.164223] [<ffffffff810ed9c6>] multi_cpu_stop+0xd6/0x120 [ 365.164229] [<ffffffff810edd97>] cpu_stopper_thread+0xd7/0x1e0 [ 365.164235] [<ffffffff810863a3>] smpboot_thread_fn+0x203/0x380 [ 365.164241] [<ffffffff8107cbf8>] kthread+0xc8/0xd0 [ 365.164250] [<ffffffff8154440c>] ret_from_fork+0x7c/0xb0 [ 365.164429] smpboot: CPU 1 is now offline Signed-off-by: Mike Galbraith <bitbucket@online.de> Signed-off-by: Jens Axboe <axboe@fb.com>		2014-03-03 09:34:10 -07:00
..
partitions	block/partitions/efi.c: fix bound check	2013-11-21 16:42:27 -08:00
blk-cgroup.c	Merge branch 'for-3.12/core' of git://git.kernel.dk/linux-block	2013-09-22 15:00:11 -07:00
blk-cgroup.h	Update of blkg_stat and blkg_rwstat may happen in bh context.	2013-11-20 15:33:04 -07:00
blk-core.c	blk-mq: rework flush sequencing logic	2014-02-10 09:29:00 -07:00
blk-exec.c	blk-mq: merge blk_mq_insert_request and blk_mq_run_request	2014-02-21 08:58:48 -08:00
blk-flush.c	blk-mq: merge blk_mq_insert_request and blk_mq_run_request	2014-02-21 08:58:48 -08:00
blk-integrity.c	bio-integrity: Convert to bvec_iter	2013-11-23 22:33:50 -08:00
blk-ioc.c	block: cleanup removing dependency on bootmem headers	2013-11-08 19:43:48 -07:00
blk-iopoll.c	block: Replace __get_cpu_var uses	2013-11-08 08:59:58 -07:00
blk-lib.c	block: add cond_resched() to potentially long running ioctl discard loop	2014-02-12 09:36:37 -07:00
blk-map.c	block: Abstract out bvec iterator	2013-11-23 22:33:47 -08:00
blk-merge.c	block: Explicitly handle discard/write same segments	2014-02-07 13:54:08 -07:00
blk-mq-cpu.c	rt,blk,mq: Make blk_mq_cpu_notify_lock a raw spinlock	2014-03-03 09:34:10 -07:00
blk-mq-cpumap.c	blk-mq: new multi-queue block IO queueing mechanism	2013-10-25 11:56:00 +01:00
blk-mq-sysfs.c	block: fix memory leaks on unplugging block device	2013-12-06 09:18:02 -07:00
blk-mq-tag.c	Merge branch 'for-linus' of git://git.kernel.dk/linux-block	2014-02-14 10:45:18 -08:00
blk-mq-tag.h	blk-mq: new multi-queue block IO queueing mechanism	2013-10-25 11:56:00 +01:00
blk-mq.c	blk-mq: support partial I/O completions	2014-02-21 08:58:49 -08:00
blk-mq.h	blk-mq: merge blk_mq_insert_request and blk_mq_run_request	2014-02-21 08:58:48 -08:00
blk-settings.c	bcache/md: Use raid stripe size	2014-01-08 13:05:09 -08:00
blk-softirq.c	kernel: remove CONFIG_USE_GENERIC_SMP_HELPERS	2013-11-15 09:32:22 +09:00
blk-sysfs.c	blk-mq: rework flush sequencing logic	2014-02-10 09:29:00 -07:00
blk-tag.c	block: Reserve only one queue tag for sync IO if only 3 tags are available	2013-06-28 21:32:27 +02:00
blk-throttle.c	Merge branch 'for-3.14/core' of git://git.kernel.dk/linux-block	2014-01-30 11:19:05 -08:00
blk-timeout.c	blk-mq: rework I/O completions	2014-02-10 09:27:31 -07:00
blk.h	block: __elv_next_request() shouldn't call into the elevator if bypassing	2014-01-30 12:57:25 -07:00
bsg-lib.c	bsg: Remove unused function bsg_goose_queue()	2012-12-06 14:33:02 +01:00
bsg.c	hlist: drop the node parameter from iterators	2013-02-27 19:10:24 -08:00
cfq-iosched.c	cgroup: replace cftype->read_seq_string() with cftype->seq_show()	2013-12-05 12:28:04 -05:00
cmdline-parser.c	block: remove unrelated header files and export symbol	2014-01-21 20:18:26 -08:00
compat_ioctl.c	kernel-wide: fix missing validations on __get/__put/__copy_to/__copy_from_user()	2013-09-11 15:58:18 -07:00
deadline-iosched.c	block: Convert kmalloc_node(...GFP_ZERO...) to kzalloc_node(...)	2013-09-11 13:22:03 -06:00
elevator.c	block: Abstract out bvec iterator	2013-11-23 22:33:47 -08:00
genhd.c	block: Convert kmalloc_node(...GFP_ZERO...) to kzalloc_node(...)	2013-09-11 13:22:03 -06:00
ioctl.c	block: replace IS_ERR and PTR_ERR with PTR_ERR_OR_ZERO	2013-11-08 09:05:31 -07:00
Kconfig	block: change config option name for cmdline partition parsing	2013-09-30 14:31:02 -07:00
Kconfig.iosched	blkcg: make CONFIG_BLK_CGROUP bool	2012-03-06 21:27:21 +01:00
Makefile	blk-mq: new multi-queue block IO queueing mechanism	2013-10-25 11:56:00 +01:00
noop-iosched.c	elevator: Fix a race in elevator switching	2013-07-03 13:25:24 +02:00
partition-generic.c	Revert "loop: cleanup partitions when detaching loop device"	2013-04-08 10:12:11 +02:00
scsi_ioctl.c	block: Fix memory leak in rw_copy_check_uvector() handling	2014-01-21 20:36:17 -08:00