[PATCH tip/core/rcu 0/6] SRCU updates for v5.14

From: Paul E. McKenney
Date: Tue May 11 2021 - 19:07:23 EST


Hello!

This series provides some updates for SRCU, all courtesy of Frederic
Weisbecker.

1. Remove superfluous sdp->srcu_lock_count zero filling.

2. Remove superfluous ssp initialization for early callbacks.

3. Unconditionally embed struct lockdep_map.

4. Initialize SRCU after timers.

5. Fix broken node geometry after early ssp init.

6. Early test SRCU polling start.

Thanx, Paul

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

b/include/linux/srcu.h | 6 ++++++
b/include/linux/srcutree.h | 2 --
b/init/main.c | 2 ++
b/kernel/rcu/rcu.h | 6 ------
b/kernel/rcu/srcutree.c | 12 ++----------
b/kernel/rcu/tiny.c | 1 -
b/kernel/rcu/tree.c | 1 -
b/kernel/rcu/update.c | 6 +++++-
kernel/rcu/rcu.h | 2 ++
kernel/rcu/srcutree.c | 9 ++++++++-
kernel/rcu/tree.c | 16 +++++++++++++++-
11 files changed, 40 insertions(+), 23 deletions(-)