Re: [PATCH v3 6/9] sched/core: Merge cpumask_andnot()+for_each_cpu() into for_each_cpu_andnot()

[Yury Norov]

On Thu, Aug 25, 2022 at 07:12:07PM +0100, Valentin Schneider wrote:
> This removes the second use of the sched_core_mask temporary mask.
> 
> Signed-off-by: Valentin Schneider <vschneid@xxxxxxxxxx>

Suggested-by: Yury Norov <yury.norov@xxxxxxxxx>

> ---
>  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