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

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Date:   Tue, 11 May 2021 16:07:20 -0700
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     rcu@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, kernel-team@...com, mingo@...nel.org,
        jiangshanlai@...il.com, akpm@...ux-foundation.org,
        mathieu.desnoyers@...icios.com, josh@...htriplett.org,
        tglx@...utronix.de, peterz@...radead.org, rostedt@...dmis.org,
        dhowells@...hat.com, edumazet@...gle.com, fweisbec@...il.com,
        oleg@...hat.com, joel@...lfernandes.org
Subject: [PATCH tip/core/rcu 0/6] SRCU updates for v5.14

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(-)