SCHED_DEADLINE inactive timer needs to run in hardirq context (as
dl_task_timer already does).
Make it HRTIMER_MODE_REL_HARD.
Signed-off-by: Juri Lelli <juri.lelli@xxxxxxxxxx>
---
Hi,
Both v4.19-rt and v5.2-rt need this.
Mainline "sched: Mark hrtimers to expire in hard interrupt context"
series needs this as well (20190726185753.077004842@xxxxxxxxxxxxx in
particular). Do I need to send out a separate patch for it?
Best,
Juri
---
kernel/sched/deadline.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index 1794e152d888..0889674b8915 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -1292,7 +1292,7 @@ void init_dl_inactive_task_timer(struct sched_dl_entity *dl_se)
{
struct hrtimer *timer = &dl_se->inactive_timer;
- hrtimer_init(timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
+ hrtimer_init(timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL_HARD);
timer->function = inactive_task_timer;
}
--
2.17.2
