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authorSebastian Andrzej Siewior <bigeasy@linutronix.de>2019-08-23 13:38:45 +0200
committerThomas Gleixner <tglx@linutronix.de>2019-08-28 13:01:26 +0200
commit71fed982d63cb2bb88db6f36059e3b14a7913846 (patch)
treee4ea38d7ddb010956d2f4d520c9f64783511a1e3 /kernel/time
parenta67e408241783575716fcf3f79d0878f6cef0273 (diff)
tick: Mark sched_timer to expire in hard interrupt context
sched_timer must be initialized with the _HARD mode suffix to ensure expiry in hard interrupt context on RT. The previous conversion to HARD expiry mode missed on one instance in tick_nohz_switch_to_nohz(). Fix it up. Fixes: 902a9f9c50905 ("tick: Mark tick related hrtimers to expiry in hard interrupt context") Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lkml.kernel.org/r/20190823113845.12125-3-bigeasy@linutronix.de
Diffstat (limited to 'kernel/time')
-rw-r--r--kernel/time/tick-sched.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 01ff32a02af2..955851748dc3 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -1233,7 +1233,7 @@ static void tick_nohz_switch_to_nohz(void)
* Recycle the hrtimer in ts, so we can share the
* hrtimer_forward with the highres code.
*/
- hrtimer_init(&ts->sched_timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS);
+ hrtimer_init(&ts->sched_timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_HARD);
/* Get the next period */
next = tick_init_jiffy_update();