28319d6dc5e2 ("rcu-tasks: Fix synchronize_rcu_tasks() VS zap_pid_ns_processes()")
44757092958b ("rcu-tasks: Remove preemption disablement around srcu_read_[un]lock() calls")
e4e1e8089c5f ("rcu-tasks: Improve comments explaining tasks_rcu_exit_srcu purpose")