[PATCH tip/core/rcu 0/5] Callback-overload update for v5.7

[Paul E. McKenney]

Hello!

This series contains updates to handling of callback-overload condiitons.

1.	Clear ->core_needs_qs at GP end or self-reported QS.

2.	React to callback overload by aggressively seeking quiescent
	states.

3.	React to callback overload by boosting RCU readers.

4.	Fix spelling mistake "leval" -> "level".

5.	Update __call_rcu() comments.

								Thanx, Paul

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

 Documentation/admin-guide/kernel-parameters.txt |    9 ++
 kernel/rcu/tree.c                               |   97 ++++++++++++++++++++----
 kernel/rcu/tree.h                               |    4 
 kernel/rcu/tree_plugin.h                        |    6 -
 4 files changed, 99 insertions(+), 17 deletions(-)