[PATCH rcu 0/9] Tasks-RCU updates for v5.19

[Paul E. McKenney]

Hello!

This series contains RCU-Tasks updates, including some -rt fixups,
handling of systems with sparse CPU numbering, and a fix for a boot-time
race-condition failure.

1.	rcu-tasks: Fix race in schedule and flush work, courtesy of
	Padmanabha Srinivasaiah.

2.	rcu-tasks: Print pre-stall-warning informational messages.

3.	rcu-tasks: Use rcuwait for the rcu_tasks_kthread(), courtesy of
	Sebastian Andrzej Siewior.

4.	rcu-tasks: Make Tasks RCU account for userspace execution.

5.	rcu-tasks: Use schedule_hrtimeout_range() to wait for grace
	periods, courtesy of Sebastian Andrzej Siewior.

6.	rcu-tasks: Restore use of timers for non-RT kernels.

7.	rcu-tasks: Make show_rcu_tasks_generic_gp_kthread() check
	all CPUs.

8.	rcu-tasks: Handle sparse cpu_possible_mask, courtesy of Eric
	Dumazet.

9.	rcu-tasks: Handle sparse cpu_possible_mask in
	rcu_tasks_invoke_cbs().

						Thanx, Paul

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

 b/Documentation/admin-guide/kernel-parameters.txt |   30 ++++++-
 b/include/linux/rcupdate.h                        |    1 
 b/kernel/rcu/tasks.h                              |    3 
 b/kernel/rcu/tree.c                               |    2 
 kernel/rcu/tasks.h                                |   92 +++++++++++++++++-----
 5 files changed, 105 insertions(+), 23 deletions(-)