sched/core: Remove false-positive warning from wake_up_process()
authorSasha Levin <sasha.levin@oracle.com>
Tue, 1 Dec 2015 01:34:20 +0000 (20:34 -0500)
committerIngo Molnar <mingo@kernel.org>
Fri, 4 Dec 2015 09:10:16 +0000 (10:10 +0100)
commit119d6f6a3be8b424b200dcee56e74484d5445f7e
treec200048bea0141e0767d2b0928869de15dcfc590
parent68985633bccb6066bf1803e316fbc6c1f5b796d6
sched/core: Remove false-positive warning from wake_up_process()

Because wakeups can (fundamentally) be late, a task might not be in
the expected state. Therefore testing against a task's state is racy,
and can yield false positives.

Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: oleg@redhat.com
Fixes: 9067ac85d533 ("wake_up_process() should be never used to wakeup a TASK_STOPPED/TRACED task")
Link: http://lkml.kernel.org/r/1448933660-23082-1-git-send-email-sasha.levin@oracle.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
kernel/sched/core.c