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wake_up_process() should be never used to wakeup a TASK_STOPPED/TRACED task
authorOleg Nesterov <oleg@redhat.com>
Mon, 21 Jan 2013 19:48:17 +0000 (20:48 +0100)
committerBen Hutchings <ben@decadent.org.uk>
Wed, 20 Feb 2013 03:15:30 +0000 (03:15 +0000)
commit 9067ac85d533651b98c2ff903182a20cbb361fcb upstream.

wake_up_process() should never wakeup a TASK_STOPPED/TRACED task.
Change it to use TASK_NORMAL and add the WARN_ON().

TASK_ALL has no other users, probably can be killed.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
[bwh: Backported to 3.2: adjust filename]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

No differences found
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