Commit-ID: 0754445d71c37a7afd4f0790a9be4cf53c1b8cc4
Gitweb: http://git.kernel.org/tip/0754445d71c37a7afd4f0790a9be4cf53c1b8cc4
Author: Davidlohr Bueso <d...@stgolabs.net>
AuthorDate: Sun, 29 Jan 2017 07:15:31 -0800
Committer: Ingo Molnar <mi...@kernel.org>
CommitDate: Wed, 1 Feb 2017 10:02:18 +0100
sched/wake_q: Clarify queue reinit comment
As of:
bcc9a76d5ac ("locking/rwsem: Reinit wake_q after use")
the comment regarding the list reinitialization no longer applies,
update it with the new wake_q_init() helper.
Signed-off-by: Davidlohr Bueso <dbu...@suse.de>
Acked-by: Waiman Long <long...@redhat.com>
Cc: pet...@infradead.org
Cc: long...@redhat.com
Cc: a...@linux-foundation.org
Cc: paul...@linux.vnet.ibm.com
Cc: torva...@linux-foundation.org
Link: http://lkml.kernel.org/r/20170129151531.ga2...@linux-80c1.suse
Signed-off-by: Ingo Molnar <mi...@kernel.org>
---
include/linux/sched.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 4e62b37..1cc0ded 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1000,8 +1000,8 @@ enum cpu_idle_type {
*
* The DEFINE_WAKE_Q macro declares and initializes the list head.
* wake_up_q() does NOT reinitialize the list; it's expected to be
- * called near the end of a function, where the fact that the queue is
- * not used again will be easy to see by inspection.
+ * called near the end of a function. Otherwise, the list can be
+ * re-initialized for later re-use by wake_q_init().
*
* Note that this can cause spurious wakeups. schedule() callers
* must ensure the call is done inside a loop, confirming that the
