[PATCH 03/12] workqueue: remove WORKER_PREP from rescuer

[Lai Jiangshan <laijs@cn.fujitsu.com>]

There is no reason to use WORKER_PREP, remove it from rescuer.

And there is no reason to set it so early in alloc_worker(),
move "worker->flags = WORKER_PREP" to start_worker().

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
---
 kernel/workqueue.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index c55884d..e41c562 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -1759,8 +1759,6 @@ static struct worker *alloc_worker(void)
 		INIT_LIST_HEAD(&worker->entry);
 		INIT_LIST_HEAD(&worker->scheduled);
 		INIT_WORK(&worker->rebind_work, busy_worker_rebind_fn);
-		/* on creation a worker is in !idle && prep state */
-		worker->flags = WORKER_PREP;
 	}
 	return worker;
 }
@@ -1854,6 +1852,7 @@ fail:
 static void start_worker(struct worker *worker)
 {
 	worker->flags |= WORKER_STARTED;
+	worker->flags |= WORKER_PREP;
 	worker->pool->nr_workers++;
 	worker_enter_idle(worker);
 	wake_up_process(worker->task);
-- 
1.7.7.6