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Message-ID: <1595852969-21049-1-git-send-email-linmiaohe@huawei.com>
Date: Mon, 27 Jul 2020 20:29:29 +0800
From: linmiaohe <linmiaohe@...wei.com>
To: <tj@...nel.org>, <jiangshanlai@...il.com>
CC: <linux-kernel@...r.kernel.org>, <linmiaohe@...wei.com>
Subject: [PATCH] workqueue: Use wake_up_worker() to wake up first idle worker
From: Miaohe Lin <linmiaohe@...wei.com>
Use wrapper function wake_up_worker() to wake up first idle worker.
Signed-off-by: Miaohe Lin <linmiaohe@...wei.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
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