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(-)