Re: [PATCH 5/5] perf/hw_breakpoint: Simplify breakpoint enable in perf_event_modify_breakpoint

[Oleg Nesterov]

On 08/10, Jiri Olsa wrote:
>
> --- a/kernel/events/core.c
> +++ b/kernel/events/core.c
> @@ -2867,16 +2867,11 @@ static int perf_event_modify_breakpoint(struct 
> perf_event *bp,
>       _perf_event_disable(bp);
>  
>       err = modify_user_hw_breakpoint_check(bp, attr, true);
> -     if (err) {
> -             if (!bp->attr.disabled)
> -                     _perf_event_enable(bp);
>  
> -             return err;
> -     }
> -
> -     if (!attr->disabled)
> +     if (!bp->attr.disabled)
>               _perf_event_enable(bp);
> -     return 0;
> +
> +     return err;
>  }

Acked-by: Oleg Nesterov <o...@redhat.com>