Commit b60f796c authored Mar 23, 2012 by Andrew Morton Committed by Linus Torvalds Mar 23, 2012

kernel/watchdog.c: add comment to watchdog() exit path



Revelation from Peter.

Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@tglx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 4501980a

kernel/watchdog.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -349,6 +349,10 @@ static int watchdog(void *unused)

		set_current_state(TASK_INTERRUPTIBLE);
		}
		/*
		* Drop the policy/priority elevation during thread exit to avoid a
		* scheduling latency spike.
		*/
		__set_current_state(TASK_RUNNING);
		sched_setscheduler(current, SCHED_NORMAL, &param);
		return 0;