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kthread_work: wake up worker only when the worker is idle
[firefly-linux-kernel-4.4.55.git]
/
kernel
/
kthread.c
diff --git
a/kernel/kthread.c
b/kernel/kthread.c
index c2390f41307bca58cdd9b14bb9530d8a16c20e6c..ef483220e85564670600c9a3951e66fe20672bed 100644
(file)
--- a/
kernel/kthread.c
+++ b/
kernel/kthread.c
@@
-591,7
+591,7
@@
static void insert_kthread_work(struct kthread_worker *worker,
list_add_tail(&work->node, pos);
work->worker = worker;
- if (likely(worker->task))
+ if (
!worker->current_work &&
likely(worker->task))
wake_up_process(worker->task);
}