Commit a8ec5880 authored by Ammar Faizi's avatar Ammar Faizi Committed by Tejun Heo
Browse files

workqueue: Simplify a pr_warn() call in wq_select_unbound_cpu() 



Use pr_warn_once() to achieve the same thing. It's simpler.

Signed-off-by: default avatarAmmar Faizi <ammarfaizi2@gnuweeb.org>
Reviewed-by: default avatarLai Jiangshan <jiangshanlai@gmail.com>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent 2c106e15

kernel/workqueue.c

+2 −4
Original line number Diff line number Diff line
@@ -1392,15 +1392,13 @@ static bool is_chained_work(struct workqueue_struct *wq) 
 */

static int wq_select_unbound_cpu(int cpu)

{

	static bool printed_dbg_warning;

	int new_cpu;



	if (likely(!wq_debug_force_rr_cpu)) {

		if (cpumask_test_cpu(cpu, wq_unbound_cpumask))

			return cpu;

	} else if (!printed_dbg_warning) {

		pr_warn("workqueue: round-robin CPU selection forced, expect performance impact\n");

		printed_dbg_warning = true;

	} else {

		pr_warn_once("workqueue: round-robin CPU selection forced, expect performance impact\n");

	}



	if (cpumask_empty(wq_unbound_cpumask))