[PATCH] idle threads should have a sane ->timestamp value · 81c29a857d - Gogs

[PATCH] idle threads should have a sane ->timestamp value

Idle threads should have a sane ->timestamp value, to avoid init kernel
thread(s) from inheriting it and causing miscalculations in
try_to_wake_up().

Reported-by: Mike Galbraith <efault@gmx.de>.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

Ingo Molnar 19 years ago

parent

4d6660eb36

commit

81c29a857d

1 changed files with 1 additions and 0 deletions

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kernel/sched.c
							 
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				@@ -4335,6 +4335,7 @@ void __devinit init_idle(task_t *idle, int cpu)
			
				 	runqueue_t *rq = cpu_rq(cpu);
			
				 	unsigned long flags;
			
				+	idle->timestamp = sched_clock();
			
				 	idle->sleep_avg = 0;
			
				 	idle->array = NULL;
			
				 	idle->prio = MAX_PRIO;