alarmtimer: Prepare for PREEMPT_RT

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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/20190730223828.508744705@linutronix.de

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Anna-Maria Gleixner 2019-07-31 00:33:49 +02:00 • committed by Thomas Gleixner

parent 850377a875

commit 51ae33092b

1 changed files with 1 additions and 1 deletions

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kernel/time/alarmtimer.c

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