linux-kernel - [PATCH bitmap-for-next 5/5] sched/core: Merge cpumask_andnot()+for_each_cpu() into for_each_cpu

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Date:   Mon,  3 Oct 2022 16:34:20 +0100
From:   Valentin Schneider <vschneid@...hat.com>
To:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Yury Norov <yury.norov@...il.com>, Jens Axboe <axboe@...nel.dk>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Juri Lelli <juri.lelli@...hat.com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ben Segall <bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>,
        Daniel Bristot de Oliveira <bristot@...hat.com>
Subject: [PATCH bitmap-for-next 5/5] sched/core: Merge cpumask_andnot()+for_each_cpu() into for_each_cpu_andnot()

This removes the second use of the sched_core_mask temporary mask.

Suggested-by: Yury Norov <yury.norov@...il.com>
Signed-off-by: Valentin Schneider <vschneid@...hat.com>
---
 kernel/sched/core.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index ee28253c9ac0..b4c3112b0095 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -360,10 +360,7 @@ static void __sched_core_flip(bool enabled)
 	/*
 	 * Toggle the offline CPUs.
 	 */
-	cpumask_copy(&sched_core_mask, cpu_possible_mask);
-	cpumask_andnot(&sched_core_mask, &sched_core_mask, cpu_online_mask);
-
-	for_each_cpu(cpu, &sched_core_mask)
+	for_each_cpu_andnot(cpu, cpu_possible_mask, cpu_online_mask)
 		cpu_rq(cpu)->core_enabled = enabled;
 
 	cpus_read_unlock();
-- 
2.31.1