perfcounters: fix init context lock

Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 54fa2fa2c8e4bc87a19794417a43e28b2c3fcdea..467cff545c3085c7a961dbb6365ddb9667819d2d 100644 (file)
--- 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