Hello!

This series provides fixes for RCU Tasks:

1.	Revert "rcu-tasks: Fix synchronize_rcu_tasks() VS
	zap_pid_ns_processes()", courtesy of Frederic Weisbecker.

2.	Fix stale task snaphot for Tasks Trace, courtesy of Frederic
	Weisbecker.

						Thanx, Paul

------------------------------------------------------------------------

 b/include/linux/rcupdate.h |    2 --
 b/kernel/pid_namespace.c   |   17 -----------------
 b/kernel/rcu/tasks.h       |   16 +++-------------
 b/kernel/sched/core.c      |   14 +++++++-------
 kernel/rcu/tasks.h         |   10 ++++++++++
 5 files changed, 20 insertions(+), 39 deletions(-)