tasks_rcu_exit_srcu 495 kernel/rcu/update.c DEFINE_STATIC_SRCU(tasks_rcu_exit_srcu); tasks_rcu_exit_srcu 712 kernel/rcu/update.c synchronize_srcu(&tasks_rcu_exit_srcu); tasks_rcu_exit_srcu 807 kernel/rcu/update.c current->rcu_tasks_idx = __srcu_read_lock(&tasks_rcu_exit_srcu); tasks_rcu_exit_srcu 815 kernel/rcu/update.c __srcu_read_unlock(&tasks_rcu_exit_srcu, current->rcu_tasks_idx);