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authorTejun Heo <tj@kernel.org>2012-09-05 08:12:33 +0200
committerTejun Heo <tj@kernel.org>2012-09-06 01:10:14 +0200
commit90beca5de591e12482a812f23a7f10690962ed4a (patch)
tree39e6a6e4e22ba49908d5542b4de6c01fbff48744 /kernel
parentworkqueue: UNBOUND -> REBIND morphing in rebind_workers() should be atomic (diff)
downloadlinux-90beca5de591e12482a812f23a7f10690962ed4a.tar.xz
linux-90beca5de591e12482a812f23a7f10690962ed4a.zip
workqueue: move WORKER_REBIND clearing in rebind_workers() to the end of the function
This doesn't make any functional difference and is purely to help the next patch to be simpler. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Lai Jiangshan <laijs@cn.fujitsu.com>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/workqueue.c26
1 files changed, 13 insertions, 13 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index c462cd60c374..d79a18d0c42e 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -1422,19 +1422,7 @@ retry:
goto retry;
}
- /*
- * All idle workers are rebound and waiting for %WORKER_REBIND to
- * be cleared inside idle_worker_rebind(). Clear and release.
- * Clearing %WORKER_REBIND from this foreign context is safe
- * because these workers are still guaranteed to be idle.
- */
- for_each_worker_pool(pool, gcwq)
- list_for_each_entry(worker, &pool->idle_list, entry)
- worker->flags &= ~WORKER_REBIND;
-
- wake_up_all(&gcwq->rebind_hold);
-
- /* rebind busy workers */
+ /* all idle workers are rebound, rebind busy workers */
for_each_busy_worker(worker, i, pos, gcwq) {
struct work_struct *rebind_work = &worker->rebind_work;
unsigned long worker_flags = worker->flags;
@@ -1454,6 +1442,18 @@ retry:
worker->scheduled.next,
work_color_to_flags(WORK_NO_COLOR));
}
+
+ /*
+ * All idle workers are rebound and waiting for %WORKER_REBIND to
+ * be cleared inside idle_worker_rebind(). Clear and release.
+ * Clearing %WORKER_REBIND from this foreign context is safe
+ * because these workers are still guaranteed to be idle.
+ */
+ for_each_worker_pool(pool, gcwq)
+ list_for_each_entry(worker, &pool->idle_list, entry)
+ worker->flags &= ~WORKER_REBIND;
+
+ wake_up_all(&gcwq->rebind_hold);
}
static struct worker *alloc_worker(void)