*/
#define rcu_read_lock_bp _rcu_read_lock
#define rcu_read_unlock_bp _rcu_read_unlock
+#define rcu_read_ongoing_bp _rcu_read_ongoing
#define rcu_dereference_bp rcu_dereference
#define rcu_cmpxchg_pointer_bp rcu_cmpxchg_pointer
extern void rcu_read_lock(void);
extern void rcu_read_unlock(void);
+extern int rcu_read_ongoing(void);
extern void *rcu_dereference_sym_bp(void *p);
#define rcu_dereference_bp(p) \