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-rw-r--r--kernel/rcu/srcutiny.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/rcu/srcutiny.c b/kernel/rcu/srcutiny.c
index 1a1c1047d2ed..76ac5f50b2c7 100644
--- a/kernel/rcu/srcutiny.c
+++ b/kernel/rcu/srcutiny.c
@@ -33,6 +33,8 @@
#include "rcu_segcblist.h"
#include "rcu.h"
+int rcu_scheduler_active __read_mostly;
+
static int init_srcu_struct_fields(struct srcu_struct *sp)
{
sp->srcu_lock_nesting[0] = 0;
@@ -193,3 +195,9 @@ void synchronize_srcu(struct srcu_struct *sp)
destroy_rcu_head_on_stack(&rs.head);
}
EXPORT_SYMBOL_GPL(synchronize_srcu);
+
+/* Lockdep diagnostics. */
+void __init rcu_scheduler_starting(void)
+{
+ rcu_scheduler_active = RCU_SCHEDULER_RUNNING;
+}