#define rcu_register_thread rcu_register_thread_bp
#define rcu_unregister_thread rcu_unregister_thread_bp
#define rcu_init rcu_init_bp
#define rcu_register_thread rcu_register_thread_bp
#define rcu_unregister_thread rcu_unregister_thread_bp
#define rcu_init rcu_init_bp