Re: [PATCH v4 1/2] perf pmu: Add PMU alias support

[Andi Kleen]

> +
> +	dir = opendir(path);
> +	if (!dir)
> +		return -1;


Could we cache/check the opendir result through file_available too?


The rest looks good


Reviewed-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>

-Andi