Cleanup. __group_complete_signal() wakes up ->group_exit_task twice. The second
wakeup's state includes TASK_UNINTERRUPTIBLE, which is not very appropriate.

Change the code to pass the "correct" argument to signal_wake_up() and kill now
unneeded wake_up_process().

Signed-off-by: Oleg Nesterov <[EMAIL PROTECTED]>

--- t/kernel/signal.c~2_GCS_NOWAKEUP    2007-08-12 19:48:26.000000000 +0400
+++ t/kernel/signal.c   2007-08-17 20:23:59.000000000 +0400
@@ -911,8 +911,7 @@ __group_complete_signal(int sig, struct 
                        do {
                                sigaddset(&t->pending.signal, SIGKILL);
                                signal_wake_up(t, 1);
-                               t = next_thread(t);
-                       } while (t != p);
+                       } while_each_thread(p, t);
                        return;
                }
 
@@ -930,13 +929,11 @@ __group_complete_signal(int sig, struct 
                rm_from_queue(SIG_KERNEL_STOP_MASK, &p->signal->shared_pending);
                p->signal->group_stop_count = 0;
                p->signal->group_exit_task = t;
-               t = p;
+               p = t;
                do {
                        p->signal->group_stop_count++;
-                       signal_wake_up(t, 0);
-                       t = next_thread(t);
-               } while (t != p);
-               wake_up_process(p->signal->group_exit_task);
+                       signal_wake_up(t, t == p);
+               } while_each_thread(p, t);
                return;
        }
 

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