linux-kernel - [PATCH rcu 0/10] Miscellaneous fixes for v6.3

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Date:   Wed, 4 Jan 2023 16:22:57 -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 0/10] Miscellaneous fixes for v6.3

Hello!

This series contains miscellaneous fixes:

1.	Use hlist_nulls_next_rcu() in hlist_nulls_add_tail_rcu(),
	courtesy of Zhao Mengmeng.

2.	Consolidate initialization and CPU-hotplug code.

3.	Throttle callback invocation based on number of ready callbacks.

4.	Upgrade header comment for poll_state_synchronize_rcu().

5.	Make RCU_LOCKDEP_WARN() avoid early lockdep checks.

6.	Suppress smp_processor_id() complaint in
	synchronize_rcu_expedited_wait().

7.	Make rcu_blocking_is_gp() stop early-boot might_sleep(), courtesy
	of Zqiang.

8.	Test synchronous RCU grace periods at the end of rcu_init().

9.	Allow expedited RCU CPU stall warnings to dump task stacks.

10.	Remove redundant call to rcu_boost_kthread_setaffinity(),
	courtesy of Zqiang.

						Thanx, Paul

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

 b/Documentation/admin-guide/kernel-parameters.txt |    5 
 b/include/linux/rculist_nulls.h                   |    2 
 b/include/linux/rcupdate.h                        |    9 
 b/kernel/rcu/rcu.h                                |    1 
 b/kernel/rcu/rcu_segcblist.c                      |    2 
 b/kernel/rcu/rcu_segcblist.h                      |    2 
 b/kernel/rcu/tree.c                               |  314 +++++++++++-----------
 b/kernel/rcu/tree_exp.h                           |    2 
 b/kernel/rcu/update.c                             |    1 
 kernel/rcu/tree.c                                 |   24 +
 kernel/rcu/tree_exp.h                             |   41 ++
 kernel/rcu/update.c                               |    2 
 12 files changed, 237 insertions(+), 168 deletions(-)