From: Valentin Schneider <vschneid@redhat.com>
To: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Yury Norov <yury.norov@gmail.com>, Jens Axboe <axboe@kernel.dk>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Rasmus Villemoes <linux@rasmusvillemoes.dk>,
Ingo Molnar <mingo@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Juri Lelli <juri.lelli@redhat.com>,
Vincent Guittot <vincent.guittot@linaro.org>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Steven Rostedt <rostedt@goodmis.org>,
Ben Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>,
Daniel Bristot de Oliveira <bristot@redhat.com>
Subject: [PATCH bitmap-for-next 5/5] sched/core: Merge cpumask_andnot()+for_each_cpu() into for_each_cpu_andnot()
Date: Mon, 3 Oct 2022 16:34:20 +0100 [thread overview]
Message-ID: <20221003153420.285896-6-vschneid@redhat.com> (raw)
In-Reply-To: <20221003153420.285896-1-vschneid@redhat.com>
This removes the second use of the sched_core_mask temporary mask.
Suggested-by: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Valentin Schneider <vschneid@redhat.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
next prev parent reply other threads:[~2022-10-03 15:35 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-03 15:34 [PATCH bitmap-for-next 0/5] bitmap,cpumask: Add for_each_cpu_andnot() Valentin Schneider
2022-10-03 15:34 ` [PATCH bitmap-for-next 1/5] blk_mq: Fix cpumask_check() warning in blk_mq_hctx_next_cpu() Valentin Schneider
2022-10-03 17:54 ` Yury Norov
2022-10-05 12:19 ` Valentin Schneider
2022-10-03 15:34 ` [PATCH bitmap-for-next 2/5] lib/find_bit: Introduce find_next_andnot_bit() Valentin Schneider
2022-10-03 15:34 ` [PATCH bitmap-for-next 3/5] cpumask: Introduce for_each_cpu_andnot() Valentin Schneider
2022-10-03 15:34 ` [PATCH bitmap-for-next 4/5] lib/test_cpumask: Add for_each_cpu_and(not) tests Valentin Schneider
2022-10-03 15:34 ` Valentin Schneider [this message]
2022-10-03 18:52 ` [PATCH bitmap-for-next 0/5] bitmap,cpumask: Add for_each_cpu_andnot() Yury Norov
2022-10-06 12:58 ` Yury Norov
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