linux-kernel - [PATCH tip/core/rcu 0/10] Miscellaneous fixes for v5.13

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Date:   Wed, 3 Mar 2021 15:59:58 -0800
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 0/10] Miscellaneous fixes for v5.13

Hello!

This series contains miscellaneous fixes:

1.	Remove superfluous rdp fetch, courtesy of Frederic Weisbecker.

2.	Fix CPU-offline trace in rcutree_dying_cpu, courtesy of Neeraj
	Upadhyay.

3.	Remove spurious instrumentation_end() in rcu_nmi_enter(),
	courtesy of Zhouyi Zhou.

4.	Replace reference to atomic_ops.rst, courtesy of Akira Yokosawa.

5.	Fix kfree_rcu() docbook errors, courtesy of Mauro Carvalho Chehab.

6.	Don't try waking ksoftirqd before it has been spawned.

7.	Prevent dyntick-idle until ksoftirqd has been spawned.

8.	Correctly spell Stephen Hemminger's name.

9.	Add explicit barrier() to __rcu_read_unlock().

10.	Add a trace event for RCU CPU stall warnings, courtesy of
	Sangmoon Kim.

						Thanx, Paul

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

 Documentation/RCU/RTFP.txt    |    2 +-
 include/linux/rculist_nulls.h |    2 +-
 include/linux/rcupdate.h      |    2 +-
 include/trace/events/rcu.h    |   28 ++++++++++++++++++++++++++++
 kernel/rcu/tree.c             |    4 +---
 kernel/rcu/tree_exp.h         |    1 +
 kernel/rcu/tree_plugin.h      |   14 +++++++++++++-
 kernel/rcu/tree_stall.h       |    2 ++
 kernel/softirq.c              |    2 +-
 9 files changed, 49 insertions(+), 8 deletions(-)