linux-kernel - [PATCH tip/core/rcu 0/12] Miscellaneous fixes for v5.4

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Message-ID: <20190801223708.GA14862@linux.ibm.com>
Date:   Thu, 1 Aug 2019 15:37:08 -0700
From:   "Paul E. McKenney" <paulmck@...ux.ibm.com>
To:     rcu@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, mingo@...nel.org,
        jiangshanlai@...il.com, dipankar@...ibm.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 0/12] Miscellaneous fixes for v5.4

Hello!

This series contains miscellaneous fixes:

1.	Make lockdep's print_lock() address visible.

2.	Fix tick_broadcast_offline() lockdep complaint.

3.	Restore barrier() to rcu_read_lock() and rcu_read_unlock().

4.	Add kernel parameter to dump trace after RCU CPU stall warning.

5.	Add destroy_work_on_stack() to match INIT_WORK_ONSTACK().

6.	Avoid srcutorture security-based pointer obfuscation.

7.	Change return type of rcu_spawn_one_boost_kthread(), courtesy of
	Byungchul Park.

8.	Add rcutree.kthread_prio pointer to stallwarn.txt.

9.	Prevent late-arriving interrupts from disrupting offline, courtesy
	of Peter Zijlstra.

10.	Remove redundant "if" condition from rcu_gp_is_expedited().

11.	Use common outgoing-CPU-notification code for arm.

12.	Fix spelling mistake "greate"->"great", courtesy of Mukesh Ojha.

							Thanx, Paul

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

 Documentation/RCU/Design/Requirements/Requirements.html |   71 ++++++++++++++++
 Documentation/RCU/stallwarn.txt                         |    6 +
 Documentation/admin-guide/kernel-parameters.txt         |    4 
 arch/arm/kernel/smp.c                                   |    6 -
 include/linux/tick.h                                    |   10 --
 kernel/locking/lockdep.c                                |    2 
 kernel/rcu/rcu.h                                        |    1 
 kernel/rcu/rcu_segcblist.h                              |   21 ----
 kernel/rcu/srcutree.c                                   |    5 -
 kernel/rcu/tree_exp.h                                   |    8 +
 kernel/rcu/tree_plugin.h                                |   31 ++----
 kernel/rcu/tree_stall.h                                 |    4 
 kernel/rcu/update.c                                     |    5 -
 kernel/sched/core.c                                     |   57 +++++++++++-
 kernel/sched/idle.c                                     |    5 -
 15 files changed, 164 insertions(+), 72 deletions(-)