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)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 22 Jan 2013 18:08:17 +0000 (10:08 -0800)
commit9067ac85d533651b98c2ff903182a20cbb361fcb
tree30e741b4f1fa71b155c216d7e7212e3befa3cde3
parent9899d11f654474d2d54ea52ceaa2a1f4db3abd68
wake_up_process() should be never used to wakeup a TASK_STOPPED/TRACED task

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>
kernel/sched/core.c