---

yaml --- r: 140768 b: refs/heads/master c: ac07bca h: refs/heads/master v: v3
git-mirror · Feb 18, 2009 · 554b15e · 554b15e
1 parent e52a72a
commit 554b15e
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Showing 2 changed files with 6 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 35ebf1caa4854ad5ba25f3a72967acc064147994
+refs/heads/master: ac07bcaa8259841905ead3f8cd60b1923ca6c0e5
diff --git a/trunk/kernel/trace/ftrace.c b/trunk/kernel/trace/ftrace.c
@@ -2564,7 +2564,7 @@ static int alloc_retstack_tasklist(struct ftrace_ret_stack **ret_stack_list)
 static int start_graph_tracing(void)
 {
 	struct ftrace_ret_stack **ret_stack_list;
-	int ret;
+	int ret, cpu;
 
 	ret_stack_list = kmalloc(FTRACE_RETSTACK_ALLOC_SIZE *
 				sizeof(struct ftrace_ret_stack *),
@@ -2573,6 +2573,10 @@ static int start_graph_tracing(void)
 	if (!ret_stack_list)
 		return -ENOMEM;
 
+	/* The cpu_boot init_task->ret_stack will never be freed */
+	for_each_online_cpu(cpu)
+		ftrace_graph_init_task(idle_task(cpu));
+
 	do {
 		ret = alloc_retstack_tasklist(ret_stack_list);
 	} while (ret == -EAGAIN);