Hello! This series provides miscellaneous fixes: 1. Add lockdep_assert_in_rcu_read_lock() and friends. 2. Reduce synchronize_rcu() delays when all wait heads are in use, courtesy of Neeraj Upadhyay. 3. rcu/tree: Reduce wake up for synchronize_rcu() common case, courtesy of "Joel Fernandes (Google)". 4. Disable interrupts directly in rcu_gp_init(). 5. Disable interrupts directly in srcu_gp_end(). 6. Add rcutree.nocb_patience_delay to reduce nohz_full OS jitter. 7. MAINTAINERS: Add Uladzislau Rezki as RCU maintainer. 8. Eliminate lockless accesses to rcu_sync->gp_count, courtesy of Oleg Nesterov. 9. Fix rcu_barrier() VS post CPUHP_TEARDOWN_CPU invocation, courtesy of Frederic Weisbecker. Thanx, Paul ------------------------------------------------------------------------ b/Documentation/admin-guide/kernel-parameters.txt | 8 ++ b/MAINTAINERS | 1 b/include/linux/rcupdate.h | 60 +++++++++++++++++++++ b/kernel/rcu/srcutree.c | 5 - b/kernel/rcu/sync.c | 12 +--- b/kernel/rcu/tree.c | 40 ++++++++------ b/kernel/rcu/tree.h | 1 b/kernel/rcu/tree_plugin.h | 10 +++ kernel/rcu/tree.c | 61 +++++++++++++++++----- 9 files changed, 157 insertions(+), 41 deletions(-)
