[PATCH v3 3/7] lib/group_cpus: relax atomicity requirement in grp_spread_init_one()

Yury Norov
2023-12-12T04:21:25Z

Because nmsk and irqmsk are stable, extra atomicity is not required.

Signed-off-by: Yury Norov <yury.norov@gmail.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 10dead3ab0e0..7ac94664230f 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 */
@@ -33,8 +33,8 @@ static void grp_spread_init_one(struct cpumask *irqmsk, struct cpumask *nmsk,
sibl = cpu + 1;

for_each_cpu_and_from(sibl, siblmsk, nmsk) {
- cpumask_clear_cpu(sibl, nmsk);
- cpumask_set_cpu(sibl, irqmsk);
+ __cpumask_clear_cpu(sibl, nmsk);
+ __cpumask_set_cpu(sibl, irqmsk);
if (cpus_per_grp-- == 0)
return;
}
--
2.40.1