Peter Zijlstra
ce48c14649
sched/core: Fix cpu.max vs. cpuhotplug deadlock
Tejun reported the following cpu-hotplug lock (percpu-rwsem) read recursion:
tg_set_cfs_bandwidth()
get_online_cpus()
cpus_read_lock()
cfs_bandwidth_usage_inc()
static_key_slow_inc()
cpus_read_lock()
Reported-by: Tejun Heo <tj@kernel.org>
Tested-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20180122215328.GP3397@worktop
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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2018-01-24 10:03:44 +01:00 |
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autogroup.c
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License cleanup: add SPDX GPL-2.0 license identifier to files with no license
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2017-11-02 11:10:55 +01:00 |
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autogroup.h
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License cleanup: add SPDX GPL-2.0 license identifier to files with no license
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2017-11-02 11:10:55 +01:00 |
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clock.c
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sched/clock, sched/cputime: Use lockdep to assert IRQs are disabled/enabled
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2017-11-08 11:13:53 +01:00 |
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completion.c
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locking/lockdep: Remove cross-release leftovers
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2018-01-08 17:30:45 +01:00 |
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core.c
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delayacct: Account blkio completion on the correct task
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2018-01-16 03:29:36 +01:00 |
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cpuacct.c
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License cleanup: add SPDX GPL-2.0 license identifier to files with no license
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2017-11-02 11:10:55 +01:00 |
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cpudeadline.c
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cpudeadline.h
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License cleanup: add SPDX GPL-2.0 license identifier to files with no license
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2017-11-02 11:10:55 +01:00 |
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cpufreq.c
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cpufreq_schedutil.c
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cpufreq: schedutil: Use idle_calls counter of the remote CPU
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2017-12-28 12:26:54 +01:00 |
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cpupri.c
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cpupri.h
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License cleanup: add SPDX GPL-2.0 license identifier to files with no license
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2017-11-02 11:10:55 +01:00 |
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cputime.c
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Merge branch 'for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
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2017-11-15 14:29:44 -08:00 |
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deadline.c
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Merge branch 'for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
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2017-11-15 14:29:44 -08:00 |
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debug.c
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sched/fair: Propagate an effective runnable_load_avg
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2017-09-29 19:35:15 +02:00 |
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fair.c
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sched/core: Fix cpu.max vs. cpuhotplug deadlock
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2018-01-24 10:03:44 +01:00 |
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features.h
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License cleanup: add SPDX GPL-2.0 license identifier to files with no license
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2017-11-02 11:10:55 +01:00 |
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idle.c
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sched/idle: Micro-optimize the idle loop
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2017-10-26 08:31:29 +02:00 |
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idle_task.c
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License cleanup: add SPDX GPL-2.0 license identifier to files with no license
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2017-11-02 11:10:55 +01:00 |
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isolation.c
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sched/isolation: Add basic isolcpus flags
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2017-10-27 09:55:31 +02:00 |
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loadavg.c
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License cleanup: add SPDX GPL-2.0 license identifier to files with no license
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2017-11-02 11:10:55 +01:00 |
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Makefile
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Merge branch 'linus' into sched/core, to pick up fixes
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2017-11-08 10:17:15 +01:00 |
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membarrier.c
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membarrier: Disable preemption when calling smp_call_function_many()
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2018-01-10 08:50:31 +01:00 |
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rt.c
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sched/rt: Do not pull from current CPU if only one CPU to pull
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2017-12-15 16:28:02 +01:00 |
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sched-pelt.h
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License cleanup: add SPDX GPL-2.0 license identifier to files with no license
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2017-11-02 11:10:55 +01:00 |
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sched.h
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Merge branch 'for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
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2017-11-15 14:29:44 -08:00 |
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stats.c
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License cleanup: add SPDX GPL-2.0 license identifier to files with no license
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2017-11-02 11:10:55 +01:00 |
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stats.h
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License cleanup: add SPDX GPL-2.0 license identifier to files with no license
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2017-11-02 11:10:55 +01:00 |
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stop_task.c
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Merge branch 'for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
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2017-11-15 14:29:44 -08:00 |
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swait.c
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License cleanup: add SPDX GPL-2.0 license identifier to files with no license
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2017-11-02 11:10:55 +01:00 |
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topology.c
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Merge branch 'linus' into sched/core, to pick up fixes
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2017-11-08 10:17:15 +01:00 |
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wait.c
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sched/wait: Fix add_wait_queue() behavioral change
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2017-12-06 19:30:34 +01:00 |
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wait_bit.c
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Pass mode to wait_on_atomic_t() action funcs and provide default actions
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2017-11-13 15:38:16 +00:00 |