Re: [PATCH] perf/aux: Properly launch pending disable flow

[Yeoreum Yun]

Hi Leo,

[...]
> --- a/kernel/events/ring_buffer.c
> +++ b/kernel/events/ring_buffer.c
> @@ -441,7 +441,7 @@ void *perf_aux_output_begin(struct perf_output_handle *handle,
>  		 * store that will be enabled on successful return
>  		 */
>  		if (!handle->size) { /* A, matches D */
> -			event->pending_disable = smp_processor_id();
> +			perf_event_disable_inatomic(handle->event);
>  			perf_output_wakeup(handle);
>  			WRITE_ONCE(rb->aux_nest, 0);
>  			goto err_put;
> @@ -526,7 +526,7 @@ void perf_aux_output_end(struct perf_output_handle *handle, unsigned long size)
>
>  	if (wakeup) {
>  		if (handle->aux_flags & PERF_AUX_FLAG_TRUNCATED)
> -			handle->event->pending_disable = smp_processor_id();
> +			perf_event_disable_inatomic(handle->event);
>  		perf_output_wakeup(handle);
>  	}

LGTM.

Reviewed-by: Yeoreum Yun <yeoreum.yun@xxxxxxx>

--
Sincerely,
Yeoreum Yun