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(parent: e0b52b9) | patch
alarmtimer: Prepare for PREEMPT_RT
authorAnna-Maria Gleixner <anna-maria@linutronix.de>
Tue, 30 Jul 2019 22:33:49 +0000 (00:33 +0200)
committerThomas Gleixner <tglx@linutronix.de>
Thu, 1 Aug 2019 18:51:23 +0000 (20:51 +0200)
commitae7c09a12493a0266799cad8492b8a795d61938c
tree89d13ad76dd696c90cf93bc3b15cc6755c7f273dtree | snapshot
parente0b52b9c0ebbef1806a18747c7aac897b2c5d5dbcommit | diff
alarmtimer: 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/20190730223828.508744705@linutronix.de
kernel/time/alarmtimer.c diff | blob | history
Linux Kernel Source Tree.