diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/rcupdate.h | 6 | ||||
| -rw-r--r-- | include/linux/rcutiny.h | 1 |
2 files changed, 5 insertions, 2 deletions
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index d63bb77dab35..6c3ceceb6148 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -297,12 +297,14 @@ void synchronize_rcu(void); static inline void __rcu_read_lock(void) { - preempt_disable(); + if (IS_ENABLED(CONFIG_PREEMPT_COUNT)) + preempt_disable(); } static inline void __rcu_read_unlock(void) { - preempt_enable(); + if (IS_ENABLED(CONFIG_PREEMPT_COUNT)) + preempt_enable(); } static inline void synchronize_rcu(void) 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 */ |