linux-kernel - [PATCH rcu 0/6] RCU Tasks updates for v6.3

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Message-ID: <20230105004018.GA1770640@paulmck-ThinkPad-P17-Gen-1>
Date:   Wed, 4 Jan 2023 16:40:18 -0800
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     rcu@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, kernel-team@...a.com,
        rostedt@...dmis.org
Subject: [PATCH rcu 0/6] RCU Tasks updates for v6.3

Hello!

This series provides some RCU Tasks updates:

1.	rcu-tasks: Use accurate runstart time for RCU Tasks boot-time
	testing, courtesy of Zqiang.

2.	rcu-tasks: Improve comments explaining tasks_rcu_exit_srcu
	purpose, courtesy of Frederic Weisbecker.

3.	rcu-tasks: Remove preemption disablement around
	srcu_read_[un]lock() calls, courtesy of Frederic Weisbecker.

4.	rcu-tasks: Fix synchronize_rcu_tasks() VS zap_pid_ns_processes(),
	courtesy of Frederic Weisbecker.

5.	rcu-tasks: Make rude RCU-Tasks work well with CPU hotplug,
	courtesy of Zqiang.

6.	rcu-tasks: Handle queue-shrink/callback-enqueue race condition,
	courtesy of Zqiang.

						Thanx, Paul

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

 b/include/linux/rcupdate.h |    2 +
 b/kernel/pid_namespace.c   |   17 +++++++++
 b/kernel/rcu/tasks.h       |    8 +---
 kernel/rcu/tasks.h         |   77 ++++++++++++++++++++++++++++++---------------
 4 files changed, 75 insertions(+), 29 deletions(-)