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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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