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| author | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2019-07-26 20:30:52 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2019-08-01 20:51:19 +0200 |
| commit | d5096aa65acd0ef2d18ac8247260ab4481ade399 (patch) | |
| tree | 7fc314c38314a2af2aa5e436fcca0c304086df81 /kernel/sched/deadline.c | |
| parent | 0ab6a3ddbad40ef5b6b8c2353fd53fa4ecf9c479 (diff) | |
| download | linux-d5096aa65acd0ef2d18ac8247260ab4481ade399.tar.bz2 | |
sched: Mark hrtimers to expire in hard interrupt context
The scheduler related hrtimers need to expire in hard interrupt context
even on PREEMPT_RT enabled kernels. Mark then as such.
No functional change.
[ tglx: Split out from larger combo patch. Add changelog. ]
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/20190726185753.077004842@linutronix.de
Diffstat (limited to 'kernel/sched/deadline.c')
| -rw-r--r-- | kernel/sched/deadline.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c index ef5b9f6b1d42..0359612d5443 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -923,7 +923,7 @@ static int start_dl_timer(struct task_struct *p) */ if (!hrtimer_is_queued(timer)) { get_task_struct(p); - hrtimer_start(timer, act, HRTIMER_MODE_ABS); + hrtimer_start(timer, act, HRTIMER_MODE_ABS_HARD); } return 1; @@ -1053,7 +1053,7 @@ void init_dl_task_timer(struct sched_dl_entity *dl_se) { struct hrtimer *timer = &dl_se->dl_timer; - hrtimer_init(timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); + hrtimer_init(timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL_HARD); timer->function = dl_task_timer; } |