projects / GitHub / LineageOS / android_kernel_motorola_exynos9610.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 19830e5) | patch
rtmutex: Plug preempt count leak in rt_mutex_futex_unlock()
authorMike Galbraith <efault@gmx.de>
Wed, 5 Apr 2017 08:08:27 +0000 (10:08 +0200)
committerThomas Gleixner <tglx@linutronix.de>
Wed, 5 Apr 2017 14:59:37 +0000 (16:59 +0200)
commitdef34eaae5ce04b324e48e1bfac873091d945213
treed262afbd2361a24be327fa101c445c427c3d480dtree | snapshot (tar.gz zip)
parent19830e55247cddb3f46f1bf60b8e245593491beacommit | diff
rtmutex: Plug preempt count leak in rt_mutex_futex_unlock()

mark_wakeup_next_waiter() already disables preemption, doing so again
leaves us with an unpaired preempt_disable().

Fixes: 2a1c60299406 ("rtmutex: Deboost before waking up the top waiter")
Signed-off-by: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: xlpang@redhat.com
Cc: rostedt@goodmis.org
Link: http://lkml.kernel.org/r/1491379707.6538.2.camel@gmx.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
kernel/locking/rtmutex.c diff | blob | blame | history