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Date: Thu, 28 Dec 2023 12:09:30 -0800 From: Yury Norov <yury.norov@...il.com> To: Andrew Morton <akpm@...ux-foundation.org>, Thomas Gleixner <tglx@...utronix.de>, Ming Lei <ming.lei@...hat.com>, linux-kernel@...r.kernel.org Cc: Yury Norov <yury.norov@...il.com>, Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, Rasmus Villemoes <linux@...musvillemoes.dk> Subject: [PATCH 3/9] lib/group_cpus: relax atomicity requirement in grp_spread_init_one() Because nmsk and irqmsk are stable, extra atomicity is not required. Signed-off-by: Yury Norov <yury.norov@...il.com> NAKed-by: Ming Lei <ming.lei@...hat.com> --- lib/group_cpus.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/lib/group_cpus.c b/lib/group_cpus.c index 063ed9ae1b8d..0a8ac7cb1a5d 100644 --- a/lib/group_cpus.c +++ b/lib/group_cpus.c @@ -24,8 +24,8 @@ static void grp_spread_init_one(struct cpumask *irqmsk, struct cpumask *nmsk, if (cpu >= nr_cpu_ids) return; - cpumask_clear_cpu(cpu, nmsk); - cpumask_set_cpu(cpu, irqmsk); + __cpumask_clear_cpu(cpu, nmsk); + __cpumask_set_cpu(cpu, irqmsk); cpus_per_grp--; /* If the cpu has siblings, use them first */ @@ -36,8 +36,8 @@ static void grp_spread_init_one(struct cpumask *irqmsk, struct cpumask *nmsk, if (cpus_per_grp-- == 0) return; - cpumask_clear_cpu(sibl, nmsk); - cpumask_set_cpu(sibl, irqmsk); + __cpumask_clear_cpu(sibl, nmsk); + __cpumask_set_cpu(sibl, irqmsk); } } } -- 2.40.1
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