On Wed, Nov 17, 2021 at 02:07:33PM +0000, Mark Rutland wrote:

> +static bool get_wchan_cb(void *arg, unsigned long pc)
> +{
> +	struct wchan_info *wchan_info = arg;
> +
> +	if (!in_sched_functions(pc)) {
> +		wchan_info->pc = pc;
> +		return false;
> +	}
> +	return wchan_info->count++ < 16;
> +}

I don't love the magic number but it was there before so not a problem
for this patch so

Reviewed-by: Mark Brown <broonie@kernel.org>