Commits
Merge branches 'consolidate.2019.01.26a' and 'fwd.2019.01.26a' into HEAD consolidate.2019.01.26a: RCU flavor consolidation cleanups. fwd.2019.01.26a: RCU grace-period forward-progress fixes.
Merge branches 'consolidate.2019.01.26a' and 'fwd.2019.01.26a' into HEAD consolidate.2019.01.26a: RCU flavor consolidation cleanups. fwd.2019.01.26a: RCU grace-period forward-progress fixes.