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-rw-r--r--kernel/rcutree.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index 98f275296c6..ba4f4b4c238 100644
--- a/kernel/rcutree.c
+++ b/kernel/rcutree.c
@@ -1922,8 +1922,6 @@ __call_rcu(struct rcu_head *head, void (*func)(struct rcu_head *rcu),
head->func = func;
head->next = NULL;
- smp_mb(); /* Ensure RCU update seen before callback registry. */
-
/*
* Opportunistically note grace-period endings and beginnings.
* Note that we might see a beginning right after we see an