---

yaml --- r: 146231 b: refs/heads/master c: 26c0162 h: refs/heads/master i: 146229: 6bc31bd 146227: 2ec4b98 146223: 4de21a4 v: v3
git-mirror · Jun 2, 2009 · 5b2f8f4 · 5b2f8f4
1 parent 71a6642
commit 5b2f8f4
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Showing 2 changed files with 5 additions and 5 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 82310a3272d5a2a7652f5649ad8a55f58c8f74d9
+refs/heads/master: 26c01624a2a40f8a4ddf6449b65c9b1c418d0e72
diff --git a/trunk/kernel/trace/ftrace.c b/trunk/kernel/trace/ftrace.c
@@ -2580,12 +2580,12 @@ static int alloc_retstack_tasklist(struct ftrace_ret_stack **ret_stack_list)
 		}
 
 		if (t->ret_stack == NULL) {
-			t->curr_ret_stack = -1;
-			/* Make sure IRQs see the -1 first: */
-			barrier();
-			t->ret_stack = ret_stack_list[start++];
 			atomic_set(&t->tracing_graph_pause, 0);
 			atomic_set(&t->trace_overrun, 0);
+			t->curr_ret_stack = -1;
+			/* Make sure the tasks see the -1 first: */
+			smp_wmb();
+			t->ret_stack = ret_stack_list[start++];
 		}
 	} while_each_thread(g, t);