--- 0/kernel/signal.c	2008-05-14 02:24:51.000000000 +0800
+++ 1/kernel/signal.c	2008-05-22 13:54:42.000000000 +0800
@@ -1488,6 +1488,9 @@
 {
 	int killed = 0;
 
+	/* Let the debugger run.  */
+	__set_current_state(TASK_TRACED);
+
 	if (arch_ptrace_stop_needed(exit_code, info)) {
 		/*
 		 * The arch code has something special to do before a
@@ -1516,8 +1519,6 @@
 	current->last_siginfo = info;
 	current->exit_code = exit_code;
 
-	/* Let the debugger run.  */
-	__set_current_state(TASK_TRACED);
 	spin_unlock_irq(&current->sighand->siglock);
 	read_lock(&tasklist_lock);
 	if (!unlikely(killed) && may_ptrace_stop()) {