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- Fix wakeups of deferred DL servers to be actually deferred

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(Gabriele Monaco)
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-urgent-2026-08-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler fix from Ingo Molnar:

 - Fix wakeups of deferred DL servers to be actually deferred (Gabriele
   Monaco)

* tag 'sched-urgent-2026-08-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/deadline: Use revised wakeup rule only for running dl_server
This commit is contained in:
Linus Torvalds 2026-08-02 11:39:10 -07:00
commit 65bfd707fd
1 changed files with 2 additions and 1 deletions
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3
kernel/sched/deadline.c
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@ -1017,7 +1017,8 @@ static void update_dl_entity(struct sched_dl_entity *dl_se)
if (dl_time_before(dl_se->deadline, rq_clock(rq)) ||
dl_entity_overflow(dl_se, rq_clock(rq))) {
if (unlikely((!dl_is_implicit(dl_se) || dl_se->dl_defer) &&
if (unlikely((!dl_is_implicit(dl_se) ||
(dl_se->dl_defer && dl_se->dl_defer_running)) &&
!dl_time_before(dl_se->deadline, rq_clock(rq)) &&
!is_dl_boosted(dl_se))) {
update_dl_revised_wakeup(dl_se, rq);