1 files changed, 2 insertions, 1 deletions

diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h
index ff968b7af3a4..4c1aaf9cce7b 100644
--- a/include/linux/rcutiny.h
+++ b/include/linux/rcutiny.h
@@ -83,7 +83,7 @@ static inline void synchronize_sched_expedited(void)
 }
 
 static inline void kfree_call_rcu(struct rcu_head *head,
-                                  void (*func)(struct rcu_head *rcu))
+                                  rcu_callback_t func)
 {
         call_rcu(head, func);
 }
@@ -216,6 +216,7 @@ static inline bool rcu_is_watching(void)
 
 static inline void rcu_all_qs(void)
 {
+        barrier(); /* Avoid RCU read-side critical sections leaking across. */
 }
 
 #endif /* __LINUX_RCUTINY_H */