[PATCH 0/8] Miscellaneous RCU updates for v7.5

[Paul E. McKenney]

Hello!

This series provides miscellaneous updates for v7.5:

1.	Enable RCU_BOOST where supported.

2.	Disable RCU priority boost testing on non-TREE03 scenarios.

3.	Documentation/litmus-tests: Add SRCU fastpath anchor-before-scan
	test, courtesy of Kunwu Chan.

4.	Documentation/litmus-tests: Add SRCU fastpath scan-before-anchor
	test, courtesy of Kunwu Chan.

5.	Add srcua scale type, courtesy of Kunwu Chan.

6.	Consolidate per-writer arrays into struct writer_state, courtesy
	of Joel Fernandes.

7.	Print CPU that preempted stalled reader wants to run on.

8.	Document additional RCU task-stall dump information.

						Thanx, Paul

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

 b/Documentation/RCU/stallwarn.rst                                         |   71 +++++
 b/Documentation/litmus-tests/README                                       |   19 +
 b/Documentation/litmus-tests/srcu/SRCU-fastpath-anchor-before-scan.litmus |   55 ++++
 b/Documentation/litmus-tests/srcu/SRCU-fastpath-scan-before-anchor.litmus |   52 ++++
 b/include/linux/sched.h                                                   |    2 
 b/kernel/rcu/Kconfig                                                      |   10 
 b/kernel/rcu/rcuscale.c                                                   |   41 +++
 b/kernel/rcu/tree_stall.h                                                 |   33 ++
 b/kernel/sched/core.c                                                     |   13 +
 b/tools/testing/selftests/rcutorture/configs/rcu/NOCB01                   |    1 
 b/tools/testing/selftests/rcutorture/configs/rcu/NOCB02                   |    1 
 b/tools/testing/selftests/rcutorture/configs/rcu/TREE01                   |    1 
 b/tools/testing/selftests/rcutorture/configs/rcu/TREE01.boot              |    1 
 b/tools/testing/selftests/rcutorture/configs/rcu/TREE02                   |    1 
 b/tools/testing/selftests/rcutorture/configs/rcu/TREE02.boot              |    1 
 b/tools/testing/selftests/rcutorture/configs/rcu/TREE08                   |    1 
 b/tools/testing/selftests/rcutorture/configs/rcu/TREE08.boot              |    1 
 b/tools/testing/selftests/rcutorture/configs/rcu/TREE09.boot              |    1 
 b/tools/testing/selftests/rcutorture/configs/rcuscale/TINY                |    1 
 b/tools/testing/selftests/rcutorture/configs/rcuscale/TRACE01             |    1 
 b/tools/testing/selftests/rcutorture/configs/rcuscale/TREE                |    1 
 b/tools/testing/selftests/rcutorture/configs/rcuscale/TREE54              |    1 
 b/tools/testing/selftests/rcutorture/configs/refscale/NOPREEMPT           |    1 
 b/tools/testing/selftests/rcutorture/configs/refscale/PREEMPT             |    1 
 b/tools/testing/selftests/rcutorture/configs/refscale/TINY                |    1 
 kernel/rcu/rcuscale.c                                                     |  129 ++++------
 26 files changed, 340 insertions(+), 101 deletions(-)