Messages in this thread Patch in this message | | | From | Huichun Feng <> | Subject | [PATCH v2 RESEND] sched/fair: avoid redundant hrtimer check | Date | Mon, 4 Jul 2022 21:36:56 +0800 |
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The check is required iff HRTICK is enabled and DOUBLE_TICK is disabled, don't do that then.
Signed-off-by: Huichun Feng <foxhoundsk.tw@gmail.com> ---
Changes since v1: - Refine commit message
v1 link: https://lore.kernel.org/linux-kernel/20220606122612.2580930-1-foxhoundsk.tw@gmail.com/
Sorry, I shouldn't send v2 in the same thread.
kernel/sched/fair.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 77b2048a9..80cc1a924 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -4668,7 +4668,7 @@ entity_tick(struct cfs_rq *cfs_rq, struct sched_entity *curr, int queued) /* * don't let the period tick interfere with the hrtick preemption */ - if (!sched_feat(DOUBLE_TICK) && + if (sched_feat(HRTICK) && !sched_feat(DOUBLE_TICK) && hrtimer_active(&rq_of(cfs_rq)->hrtick_timer)) return; #endif -- 2.36.1
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