[PATCH] workqueue: Use wake_up_worker() to wake up first idle worker

[linmiaohe]

From: Miaohe Lin <linmia...@huawei.com>

Use wrapper function wake_up_worker() to wake up first idle worker.

Signed-off-by: Miaohe Lin <linmia...@huawei.com>
---
 kernel/workqueue.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index c41c3c17b86a..5302f227f38f 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -864,7 +864,7 @@ 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;
 
        /*
@@ -896,11 +896,9 @@ void wq_worker_sleeping(struct task_struct *task)
         * lock is safe.
         */
        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