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-rw-r--r--include/linux/init_task.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index e752d973fa2..2ee96942a9d 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -120,6 +120,16 @@ extern struct group_info init_groups;
extern struct cred init_cred;
+#ifdef CONFIG_PERF_COUNTERS
+# define INIT_PERF_COUNTERS(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
+
/*
* INIT_TASK is used to set up the first task table, touch at
* your own risk!. Base=0, limit=0x1fffff (=2MB)
@@ -184,6 +194,7 @@ extern struct cred init_cred;
INIT_IDS \
INIT_TRACE_IRQFLAGS \
INIT_LOCKDEP \
+ INIT_PERF_COUNTERS(tsk) \
}