barrier_mutex      91 kernel/rcu/tree.c 	.barrier_mutex = __MUTEX_INITIALIZER(rcu_state.barrier_mutex),
barrier_mutex    2895 kernel/rcu/tree.c 	mutex_lock(&rcu_state.barrier_mutex);
barrier_mutex    2902 kernel/rcu/tree.c 		mutex_unlock(&rcu_state.barrier_mutex);
barrier_mutex    2956 kernel/rcu/tree.c 	mutex_unlock(&rcu_state.barrier_mutex);
barrier_mutex     311 kernel/rcu/tree.h 	struct mutex barrier_mutex;		/* Guards barrier fields. */