[PATCH 3/4] workqueue: Use wake_up_worker() in wq_worker_sleeping() instead of open code

From: Lai Jiangshan
Date: Thu Dec 23 2021 - 07:31:43 EST


From: Lai Jiangshan <laijs@xxxxxxxxxxxxxxxxx>

The wakeup code in wq_worker_sleeping() is the same as wake_up_worker().

Signed-off-by: Lai Jiangshan <laijs@xxxxxxxxxxxxxxxxx>
---
kernel/workqueue.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index b3207722671c..69cbe9e62bf1 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -887,7 +887,7 @@ void wq_worker_running(struct task_struct *task)
*/
void wq_worker_sleeping(struct task_struct *task)
{
- struct worker *next, *worker = kthread_data(task);
+ struct worker *worker = kthread_data(task);
struct worker_pool *pool;

/*
@@ -918,11 +918,8 @@ void wq_worker_sleeping(struct task_struct *task)
}

if (atomic_dec_and_test(&pool->nr_running) &&
- !list_empty(&pool->worklist)) {
- next = first_idle_worker(pool);
- if (next)
- wake_up_process(next->task);
- }
+ !list_empty(&pool->worklist))
+ wake_up_worker(pool);
raw_spin_unlock_irq(&pool->lock);
}

--
2.19.1.6.gb485710b