linux-kernel - [PATCH sched_ext/for-6.14] sched_ext: idle: use assign

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Message-ID: <20241228100250.755421-1-arighi@nvidia.com>
Date: Sat, 28 Dec 2024 11:02:50 +0100
From: Andrea Righi <arighi@...dia.com>
To: Tejun Heo <tj@...nel.org>,
	David Vernet <void@...ifault.com>,
	Changwoo Min <changwoo@...lia.com>
Cc: Yury Norov <yury.norov@...il.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH sched_ext/for-6.14] sched_ext: idle: use assign_cpu() to update the idle cpumask

Use the assign_cpu() helper to set or clear the CPU in the idle mask,
based on the idle condition.

Acked-by: Yury Norov <yury.norov@...il.com>
Signed-off-by: Andrea Righi <arighi@...dia.com>
---
 kernel/sched/ext.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/kernel/sched/ext.c b/kernel/sched/ext.c
index 7b229a4fb083..eec4716de225 100644
--- a/kernel/sched/ext.c
+++ b/kernel/sched/ext.c
@@ -3654,10 +3654,7 @@ void __scx_update_idle(struct rq *rq, bool idle)
 			return;
 	}
 
-	if (idle)
-		cpumask_set_cpu(cpu, idle_masks.cpu);
-	else
-		cpumask_clear_cpu(cpu, idle_masks.cpu);
+	assign_cpu(cpu, idle_masks.cpu, idle);
 
 #ifdef CONFIG_SCHED_SMT
 	if (sched_smt_active()) {
-- 
2.47.1