Re: [PATCH 3/7] coresight: Use event attributes for sink selection

[Peter Zijlstra <peterz@xxxxxxxxxxxxx>]

On Tue, Jan 15, 2019 at 04:07:38PM -0700, Mathieu Poirier wrote:
> +	/* First get the selected sink from user space. */
> +	sink = coresight_get_sink_by_id(event->attr.config2);

(I know there's a new version out, I'll go look there shortly)

should this patch not also have something like:

PMU_FORMAT_ATTR(sinkid, "config2:0-63");

> +	if (!sink)
> +		sink = coresight_get_enabled_sink(true);
>  	if (!sink || !sink_ops(sink)->alloc_buffer)
>  		goto err;