Re: [PATCH 4/5] perf/hw_breakpoint: Enable breakpoint in modify_user_hw_breakpoint

From: Oleg Nesterov
Date: Tue Aug 14 2018 - 09:27:49 EST


On 08/10, Jiri Olsa wrote:
>
> --- a/kernel/events/hw_breakpoint.c
> +++ b/kernel/events/hw_breakpoint.c
> @@ -523,13 +523,11 @@ int modify_user_hw_breakpoint(struct perf_event *bp, struct perf_event_attr *att
> perf_event_disable(bp);
>
> err = modify_user_hw_breakpoint_check(bp, attr, false);
> - if (err)
> - return err;
>
> - if (!attr->disabled)
> + if (!bp->attr.disabled)
> perf_event_enable(bp);
>
> - return 0;
> + return err;
> }

Acked-by: Oleg Nesterov <oleg@xxxxxxxxxx>