diff --git a/kernel/rcupdate.c b/kernel/rcupdate.c
index f464f5a..759805c 100644
--- a/kernel/rcupdate.c
+++ b/kernel/rcupdate.c
@@ -53,13 +53,13 @@
 static struct rcu_ctrlblk rcu_ctrlblk = {
 	.cur = -300,
 	.completed = -300,
-	.lock = SPIN_LOCK_UNLOCKED,
+	.lock = __SPIN_LOCK_UNLOCKED(&rcu_ctrlblk.lock),
 	.cpumask = CPU_MASK_NONE,
 };
 static struct rcu_ctrlblk rcu_bh_ctrlblk = {
 	.cur = -300,
 	.completed = -300,
-	.lock = SPIN_LOCK_UNLOCKED,
+	.lock = __SPIN_LOCK_UNLOCKED(&rcu_bh_ctrlblk.lock),
 	.cpumask = CPU_MASK_NONE,
 };