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Message-Id: <20231228200936.2475595-4-yury.norov@gmail.com>
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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