workqueue: Fold rebind_worker() within rebind_workers()

Message ID 20230113174040.1344293-1-vschneid@redhat.com
State New
Headers
Series workqueue: Fold rebind_worker() within rebind_workers() |

Commit Message

Valentin Schneider Jan. 13, 2023, 5:40 p.m. UTC
  !CONFIG_SMP builds complain about rebind_worker() being unused. Its only
user, rebind_workers() is indeed only defined for CONFIG_SMP, so just fold
the two lines back up there.

Link: http://lore.kernel.org/r/20230113143102.2e94d74f@canb.auug.org.au
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Valentin Schneider <vschneid@redhat.com>
---
 kernel/workqueue.c | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)
  

Comments

Tejun Heo Jan. 13, 2023, 5:51 p.m. UTC | #1
On Fri, Jan 13, 2023 at 05:40:40PM +0000, Valentin Schneider wrote:
> !CONFIG_SMP builds complain about rebind_worker() being unused. Its only
> user, rebind_workers() is indeed only defined for CONFIG_SMP, so just fold
> the two lines back up there.
> 
> Link: http://lore.kernel.org/r/20230113143102.2e94d74f@canb.auug.org.au
> Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
> Signed-off-by: Valentin Schneider <vschneid@redhat.com>

Applied to wq/for-6.3.

Thanks.
  

Patch

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 0d44c33b5b24e..dce29154cd07a 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -1986,12 +1986,6 @@  static void unbind_worker(struct worker *worker)
 		WARN_ON_ONCE(set_cpus_allowed_ptr(worker->task, cpu_possible_mask) < 0);
 }
 
-static void rebind_worker(struct worker *worker, struct worker_pool *pool)
-{
-	kthread_set_per_cpu(worker->task, pool->cpu);
-	WARN_ON_ONCE(set_cpus_allowed_ptr(worker->task, pool->attrs->cpumask) < 0);
-}
-
 static void wake_dying_workers(struct list_head *cull_list)
 {
 	struct worker *worker, *tmp;
@@ -5149,8 +5143,11 @@  static void rebind_workers(struct worker_pool *pool)
 	 * of all workers first and then clear UNBOUND.  As we're called
 	 * from CPU_ONLINE, the following shouldn't fail.
 	 */
-	for_each_pool_worker(worker, pool)
-		rebind_worker(worker, pool);
+	for_each_pool_worker(worker, pool) {
+		kthread_set_per_cpu(worker->task, pool->cpu);
+		WARN_ON_ONCE(set_cpus_allowed_ptr(worker->task,
+						  pool->attrs->cpumask) < 0);
+	}
 
 	raw_spin_lock_irq(&pool->lock);