[PATCH 04/10] sched_ext: idle: use assign_cpu() to update the idle cpumask

Andrea Righi
2024-12-20T15:41:36Z

Use the assign_cpu() helper to set or clear the CPU in the idle mask,
based on the idle condition.

Cc: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Andrea Righi <arighi@nvidia.com>
---
kernel/sched/ext_idle.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/kernel/sched/ext_idle.c b/kernel/sched/ext_idle.c
index 0e57830072e4..dedd39febc88 100644
--- a/kernel/sched/ext_idle.c
+++ b/kernel/sched/ext_idle.c
@@ -460,10 +460,7 @@ void __scx_update_idle(struct rq *rq, bool idle)
return;
}

- if (idle)
- cpumask_set_cpu(cpu, idle_masks.cpu);
- else
- cpumask_clear_cpu(cpu, idle_masks.cpu);
+ assign_cpu(cpu, idle_masks.cpu, idle);

#ifdef CONFIG_SCHED_SMT
if (sched_smt_active()) {
--
2.47.1