Commit 22368fe1 authored by Juri Lelli's avatar Juri Lelli Committed by Peter Zijlstra
Browse files

sched/deadline: Fix replenish_dl_new_period dl_server condition 



The condition in replenish_dl_new_period() that checks if a reservation
(dl_server) is deferred and is not handling a starvation case is
obviously wrong.

Fix it.

Fixes: a110a81c ("sched/deadline: Deferrable dl server")
Signed-off-by: default avatarJuri Lelli <juri.lelli@redhat.com>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/20241127063740.8278-1-juri.lelli@redhat.com
parent 40384c84

kernel/sched/deadline.c

+1 −1
Original line number Diff line number Diff line
@@ -781,7 +781,7 @@ static inline void replenish_dl_new_period(struct sched_dl_entity *dl_se, 
	 * If it is a deferred reservation, and the server

	 * is not handling an starvation case, defer it.

	 */

	if (dl_se->dl_defer & !dl_se->dl_defer_running) {

	if (dl_se->dl_defer && !dl_se->dl_defer_running) {

		dl_se->dl_throttled = 1;

		dl_se->dl_defer_armed = 1;

	}