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(parent: ae7c09a) | patch
timerfd: Prepare for PREEMPT_RT
authorAnna-Maria Gleixner <anna-maria@linutronix.de>
Tue, 30 Jul 2019 22:33:50 +0000 (00:33 +0200)
committerThomas Gleixner <tglx@linutronix.de>
Thu, 1 Aug 2019 18:51:23 +0000 (20:51 +0200)
commit451bc0fdee43d15fc0db5c27d5ac863fa163c09f
tree959dbc9c47895ea4ca3cd06cf95b5a3cbbf081d7tree | snapshot
parentae7c09a12493a0266799cad8492b8a795d61938ccommit | diff
timerfd: Prepare for PREEMPT_RT

Use the hrtimer_cancel_wait_running() synchronization mechanism to prevent
priority inversion and live locks on PREEMPT_RT.

[ tglx: Split out of combo patch ]

Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20190730223828.600085866@linutronix.de
fs/timerfd.c diff | blob | history
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