[PATCH tip/core/rcu 0/7] RCU list updates for 4.9

[Paul E. McKenney]

Hello!

This series provides updates to RCU-protected linked lists:

1.	Expand list_first_entry_or_null() to allow better compiler
	optimizations, courtesy of Chris Wilson.

2-6.	Allow security-conscious builds to specify BUG rather than WARN
	for linked-list corruption, courtesy of Kees Cook.

7.	Fix a bogus CONFIG_-prefixed Kconfig-option reference in #5
	above, courtesy of Valentin Rothberg.

							Thanx, Paul