From 78b6084c907cea15bb40a564b974e072f5163781 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Sun, 21 Dec 2008 15:07:49 +0100
Subject: [PATCH] perfcounters: fix init context lock

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/init_task.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 54fa2fa2c8e4..467cff545c30 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -116,7 +116,9 @@ extern struct group_info init_groups;
 #ifdef CONFIG_PERF_COUNTERS
 # define INIT_PERF_COUNTERS(tsk)					\
 	.perf_counter_ctx.counter_list =				\
-		LIST_HEAD_INIT(tsk.perf_counter_ctx.counter_list),
+		LIST_HEAD_INIT(tsk.perf_counter_ctx.counter_list),	\
+	.perf_counter_ctx.lock =					\
+		__SPIN_LOCK_UNLOCKED(tsk.perf_counter_ctx.lock),
 #else
 # define INIT_PERF_COUNTERS(tsk)
 #endif
-- 
2.34.1