linux-kernel - [PATCH 1/4] sched/fair: Use protect_slice() instead of direct comparison

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Message-ID: <20250613140514.2781138-2-vincent.guittot@linaro.org>
Date: Fri, 13 Jun 2025 16:05:11 +0200
From: Vincent Guittot <vincent.guittot@...aro.org>
To: mingo@...hat.com,
	peterz@...radead.org,
	juri.lelli@...hat.com,
	dietmar.eggemann@....com,
	rostedt@...dmis.org,
	bsegall@...gle.com,
	mgorman@...e.de,
	vschneid@...hat.com,
	linux-kernel@...r.kernel.org
Cc: Vincent Guittot <vincent.guittot@...aro.org>
Subject: [PATCH 1/4] sched/fair: Use protect_slice() instead of direct comparison

Replace the test by the relevant protect_slice() function.

Signed-off-by: Vincent Guittot <vincent.guittot@...aro.org>
---
 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 83157de5b808..44a09de38ddf 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -1178,7 +1178,7 @@ static inline bool did_preempt_short(struct cfs_rq *cfs_rq, struct sched_entity
 	if (!sched_feat(PREEMPT_SHORT))
 		return false;
 
-	if (curr->vlag == curr->deadline)
+	if (protect_slice(curr))
 		return false;
 
 	return !entity_eligible(cfs_rq, curr);
-- 
2.43.0