breeze/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-01-25 15:03:52 +08:00
Code Issues Packages Projects Releases Wiki Activity

sched/deadline: Fix replenish_dl_new_period dl_server condition

Browse Source 
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: a110a81c52 ("sched/deadline: Deferrable dl server")
Signed-off-by: Juri Lelli <juri.lelli@redhat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/20241127063740.8278-1-juri.lelli@redhat.com
This commit is contained in:
Juri Lelli
2024-11-27 07:37:40 +01:00
committed by Peter Zijlstra
parent 40384c840e
commit 22368fe1f9
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
kernel/sched/deadline.c
View File

@@ -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;
}