linux-kernel - [PATCH] sched/fair: remove 2 early returns

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Date:   Thu, 26 Oct 2023 20:37:20 +0800
From:   Peng Liang <tcx4c70@...il.com>
To:     mingo@...hat.com, peterz@...radead.org, juri.lelli@...hat.com,
        vincent.guittot@...aro.org
Cc:     linux-kernel@...r.kernel.org, dietmar.eggemann@....com,
        rostedt@...dmis.org, bsegall@...gle.com, mgorman@...e.de,
        bristot@...hat.com, vschneid@...hat.com, tcx4c70@...il.com
Subject: [PATCH] sched/fair: remove 2 early returns

After commit 5e963f2bd465 ("sched/fair: Commit to EEVDF"), the 2 early
returns in entity_tick can be removed safely.

Signed-off-by: Peng Liang <tcx4c70@...il.com>
---
 kernel/sched/fair.c | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index df348aa55d3c..74f72a01aad4 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -5322,16 +5322,8 @@ entity_tick(struct cfs_rq *cfs_rq, struct sched_entity *curr, int queued)
 	 * queued ticks are scheduled to match the slice, so don't bother
 	 * validating it and just reschedule.
 	 */
-	if (queued) {
+	if (queued)
 		resched_curr(rq_of(cfs_rq));
-		return;
-	}
-	/*
-	 * don't let the period tick interfere with the hrtick preemption
-	 */
-	if (!sched_feat(DOUBLE_TICK) &&
-			hrtimer_active(&rq_of(cfs_rq)->hrtick_timer))
-		return;
 #endif
 }
 
-- 
2.41.0