[PATCH 0/9] Miscellaneous RCU updates for v7.4

[Paul E. McKenney]

Hello!

This series provides miscellaneous RCU updates for v7.4:

1.	Update stallwarn.rst based on RCU Tasks Trace as SRCU.

2.	fix shrink budget underflow in lazy_rcu_shrink_scan, courtesy
	of Longlong Xia.

3.	Don't panic on already-ended RCU CPU stalls.

4.	Add running and boosted indications to RCU task stall dump.

5.	Fix typo "upto" in comment, courtesy of Hemanth Selam.

6.	Drop the private tick-internal.h include from tree.c, courtesy
	of Bradley Morgan.

7.	Make userspace barrier hook drain kvfree_rcu work, courtesy of
	Matthias Goergens.

8.	Fix the rcuread_is_dead reference in rcuref_read() kernel-doc,
	courtesy of Karl Mehltretter.

9.	Disable callback contend/collapse messages by default.

						Thanx, Paul

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

 Documentation/admin-guide/kernel-parameters.txt   |    7 +++++
 b/Documentation/RCU/stallwarn.rst                 |   22 ++++++----------
 b/Documentation/admin-guide/kernel-parameters.txt |    9 ++++--
 b/include/linux/rcuref.h                          |    2 -
 b/kernel/rcu/srcutree.c                           |    2 -
 b/kernel/rcu/tasks.h                              |   15 ++++++++---
 b/kernel/rcu/tree.c                               |    1 
 b/kernel/rcu/tree_exp.h                           |    2 -
 b/kernel/rcu/tree_nocb.h                          |    3 --
 b/kernel/rcu/tree_stall.h                         |   12 ++++++--
 kernel/rcu/tree.c                                 |   30 ++++++++++++++--------
 kernel/rcu/tree_stall.h                           |   23 +++++++++++++++-
 12 files changed, 88 insertions(+), 40 deletions(-)