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linux/kernel/sched
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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>
2018-01-24 10:03:44 +01:00
..
autogroup.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
autogroup.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
clock.c
sched/clock, sched/cputime: Use lockdep to assert IRQs are disabled/enabled
2017-11-08 11:13:53 +01:00
completion.c
locking/lockdep: Remove cross-release leftovers
2018-01-08 17:30:45 +01:00
core.c
delayacct: Account blkio completion on the correct task
2018-01-16 03:29:36 +01:00
cpuacct.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
cpudeadline.c
sched/deadline: Change return value of cpudl_find()
2017-08-10 12:18:17 +02:00
cpudeadline.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
cpufreq_schedutil.c
cpufreq: schedutil: Use idle_calls counter of the remote CPU
2017-12-28 12:26:54 +01:00
cpufreq.c
cpufreq / sched: Pass flags to cpufreq_update_util()
2016-08-16 22:14:55 +02:00
cpupri.c
sched/cpupri: Don't re-initialize 'struct cpupri'
2017-08-10 12:18:14 +02:00
cpupri.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
cputime.c
Merge branch 'for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
2017-11-15 14:29:44 -08:00
deadline.c
Merge branch 'for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
2017-11-15 14:29:44 -08:00
debug.c
sched/fair: Propagate an effective runnable_load_avg
2017-09-29 19:35:15 +02:00
fair.c
sched/core: Fix cpu.max vs. cpuhotplug deadlock
2018-01-24 10:03:44 +01:00
features.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
idle_task.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
idle.c
sched/idle: Micro-optimize the idle loop
2017-10-26 08:31:29 +02:00
isolation.c
sched/isolation: Add basic isolcpus flags
2017-10-27 09:55:31 +02:00
loadavg.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
Makefile
Merge branch 'linus' into sched/core, to pick up fixes
2017-11-08 10:17:15 +01:00
membarrier.c
membarrier: Disable preemption when calling smp_call_function_many()
2018-01-10 08:50:31 +01:00
rt.c
sched/rt: Do not pull from current CPU if only one CPU to pull
2017-12-15 16:28:02 +01:00
sched-pelt.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
sched.h
Merge branch 'for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
2017-11-15 14:29:44 -08:00
stats.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
stats.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
stop_task.c
Merge branch 'for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
2017-11-15 14:29:44 -08:00
swait.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
topology.c
Merge branch 'linus' into sched/core, to pick up fixes
2017-11-08 10:17:15 +01:00
wait_bit.c
Pass mode to wait_on_atomic_t() action funcs and provide default actions
2017-11-13 15:38:16 +00:00
wait.c
sched/wait: Fix add_wait_queue() behavioral change
2017-12-06 19:30:34 +01:00