Re: [PATCH] sched/fair: Remove the redundant critical section

[Vincent Guittot]

On Tue, 10 Nov 2020 at 14:41, Qi Zheng <arch0.zheng@xxxxxxxxx> wrote:
>
> Now there is nothing in the critical section, so remove it.

https://lkml.org/lkml/2020/10/30/689

>
> Signed-off-by: Qi Zheng <arch0.zheng@xxxxxxxxx>
> ---
>  kernel/sched/fair.c | 3 ---
>  1 file changed, 3 deletions(-)
>
> diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
> index 52cacfc62922..06c4f3430e95 100644
> --- a/kernel/sched/fair.c
> +++ b/kernel/sched/fair.c
> @@ -5114,9 +5114,6 @@ static void do_sched_cfs_slack_timer(struct cfs_bandwidth *cfs_b)
>                 return;
>
>         distribute_cfs_runtime(cfs_b);
> -
> -       raw_spin_lock_irqsave(&cfs_b->lock, flags);
> -       raw_spin_unlock_irqrestore(&cfs_b->lock, flags);
>  }
>
>  /*
> --
> 2.25.1
>