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A single fix to correct a wrong BUG_ON() condition for deboosted tasks.

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Merge tag 'sched_urgent_for_v5.19_rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler fix from Borislav Petkov:
 "A single fix to correct a wrong BUG_ON() condition for deboosted
  tasks"

* tag 'sched_urgent_for_v5.19_rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/deadline: Fix BUG_ON condition for deboosted tasks
This commit is contained in:
Linus Torvalds 2022-07-24 09:50:53 -07:00
commit c2602a7ce0
1 changed files with 4 additions and 1 deletions
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5
kernel/sched/deadline.c
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@ -1701,7 +1701,10 @@ static void enqueue_task_dl(struct rq *rq, struct task_struct *p, int flags)
* the throttle.
*/
p->dl.dl_throttled = 0;
BUG_ON(!is_dl_boosted(&p->dl) || flags != ENQUEUE_REPLENISH);
if (!(flags & ENQUEUE_REPLENISH))
printk_deferred_once("sched: DL de-boosted task PID %d: REPLENISH flag missing\n",
task_pid_nr(p));
return;
}