diff options
| author | Davidlohr Bueso <dave@stgolabs.net> | 2017-01-29 07:15:31 -0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-02-01 10:02:18 +0100 |
| commit | 0754445d71c37a7afd4f0790a9be4cf53c1b8cc4 (patch) | |
| tree | b908b3d0257b4346b4b615ebcf5c70f085913fda | |
| parent | 7e1f9467d1e48c64c27d6a32de1bfd1b9cdb1002 (diff) | |
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 <dbueso@suse.de>
Acked-by: Waiman Long <longman@redhat.com>
Cc: peterz@infradead.org
Cc: longman@redhat.com
Cc: akpm@linux-foundation.org
Cc: paulmck@linux.vnet.ibm.com
Cc: torvalds@linux-foundation.org
Link: http://lkml.kernel.org/r/20170129151531.GA2444@linux-80c1.suse
Signed-off-by: Ingo Molnar <mingo@kernel.org>
| -rw-r--r-- | include/linux/sched.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 4e62b378bd65..1cc0dede2122 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 |