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-rw-r--r--include/linux/rcutiny.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h
index c8a0722f77ea..4c1aaf9cce7b 100644
--- a/include/linux/rcutiny.h
+++ b/include/linux/rcutiny.h
@@ -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 */