From 42df5f05454dab4f2f52e94e11b25d6fc4fd354d Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Tue, 19 Oct 2010 11:14:49 +0200
Subject: [PATCH] --- yaml --- r: 213233 b: refs/heads/master c:
 31ddd871fc3db73e2024cb3eb3ee5051edf5a80f h: refs/heads/master i:   213231:
 e44bb63f75ca69778ef573ed38846a394d184a74 v: v3

---
 [refs]                   |  2 +-
 trunk/kernel/workqueue.c | 10 ++++++----
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/[refs] b/[refs]
index 788a672bb92f..d0e3e33767e2 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 10ccd84695c2a03075bad2f4fc728575fe9051f8
+refs/heads/master: 31ddd871fc3db73e2024cb3eb3ee5051edf5a80f
diff --git a/trunk/kernel/workqueue.c b/trunk/kernel/workqueue.c
index 2c6871cbcbee..eb5c1972443a 100644
--- a/trunk/kernel/workqueue.c
+++ b/trunk/kernel/workqueue.c
@@ -2676,13 +2676,15 @@ int schedule_delayed_work_on(int cpu,
 EXPORT_SYMBOL(schedule_delayed_work_on);
 
 /**
- * schedule_on_each_cpu - call a function on each online CPU from keventd
+ * schedule_on_each_cpu - execute a function synchronously on each online CPU
  * @func: the function to call
  *
- * Returns zero on success.
- * Returns -ve errno on failure.
- *
+ * schedule_on_each_cpu() executes @func on each online CPU using the
+ * system workqueue and blocks until all CPUs have completed.
  * schedule_on_each_cpu() is very slow.
+ *
+ * RETURNS:
+ * 0 on success, -errno on failure.
  */
 int schedule_on_each_cpu(work_func_t func)
 {