Re: [PATCH v2] workqueue: annotate the lockless nr_running increment racing with need_more_worker()

[Breno Leitao]

On Tue, Oct 13, 2026 at 06:29:05PM +0700, Nguyen Ngoc Thang wrote:
>  static bool need_more_worker(struct worker_pool *pool)
>  {
> -	return !list_empty(&pool->worklist) && !pool->nr_running;
> +	/* Racy against the lockless increment, see @nr_running. */
> +	return !list_empty(&pool->worklist) && !data_race(pool->nr_running);

Isn't it better to annotate the nr_running field in the structure, rather than
at reading time?