Commit ce6cf9a1 authored by Frederic Weisbecker's avatar Frederic Weisbecker Committed by Ingo Molnar

nohz: Add hrtimer sanity check

Signed-off-by: default avatarFrederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent b23afd38
......@@ -771,8 +771,13 @@ static ktime_t tick_nohz_stop_sched_tick(struct tick_sched *ts,
tick = expires;
/* Skip reprogram of event if its not changed */
if (ts->tick_stopped && (expires == dev->next_event))
if (ts->tick_stopped) {
if (hrtimer_active(&ts->sched_timer))
WARN_ON_ONCE(hrtimer_get_expires(&ts->sched_timer) < dev->next_event);
if (expires == dev->next_event)
goto out;
}
/*
* nohz_stop_sched_tick can be called several times before
......
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