diff options
| author |   Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2019-08-23 13:38:45 +0200 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2019-08-28 13:01:26 +0200 |
| commit | 71fed982d63cb2bb88db6f36059e3b14a7913846 (patch) | |
| tree | e4ea38d7ddb010956d2f4d520c9f64783511a1e3 /kernel/time | |
| parent | hrtimer: Add kernel doc annotation for HRTIMER_MODE_HARD (diff) | |
| download | linux-dev-71fed982d63cb2bb88db6f36059e3b14a7913846.tar.xz linux-dev-71fed982d63cb2bb88db6f36059e3b14a7913846.zip | |
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.c | 2 |
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(); |