[PATCH 11] ptrace_detach: kill the unconditional wakeup

[Oleg Nesterov]

I do not know what to do with ptrace_detach()->wake_up_process().

It is wrong even without utrace. But it is doubly wrong with utrace.
So I am re-sending 95a3540da9c81a5987be810e1d9a83640a366bd5

---

 kernel/ptrace.c |    2 --
 1 file changed, 2 deletions(-)

--- PU/kernel/ptrace.c~11_DETACH_KILL_WAKE      2009-08-22 19:17:00.000000000 
+0200
+++ PU/kernel/ptrace.c  2009-08-22 20:06:42.000000000 +0200
@@ -757,8 +757,6 @@ int ptrace_detach(struct task_struct *ch
        if (child->ptrace) {
                child->exit_code = data;
                dead = __ptrace_detach(current, child);
-               if (!child->exit_state)
-                       wake_up_process(child);
        }
        write_unlock_irq(&tasklist_lock);