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Commit b60f796c authored by Andrew Morton's avatar Andrew Morton Committed by Linus Torvalds
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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: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 4501980a
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+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;