linux-kernel - Re: [GIT PULL rcu/next] RCU commits for 4.15

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Date:   Tue, 24 Oct 2017 10:51:38 +0200
From:   Ingo Molnar <mingo@...nel.org>
To:     "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc:     stern@...land.harvard.edu, scottt@...ttt.tw,
        gpiccoli@...ux.vnet.ibm.com, neeraju@...eaurora.org,
        bigeasy@...utronix.de, linux-kernel@...r.kernel.org
Subject: Re: [GIT PULL rcu/next] RCU commits for 4.15


* Paul E. McKenney <paulmck@...ux.vnet.ibm.com> wrote:

> Hello, Ingo,
> 
> [ Resend, this time remembering to CC LKML. ]
> 
> This pull request contains the following changes:
> 
> 1.	Documentation updates.
> 
> 	lkml.kernel.org/r/20171004212051.GA8411@...ux.vnet.ibm.com
> 
> 	(But note that a number of these commits were redirected to
> 	v4.14 on the request of Randy Dunlap and Jon Corbet.)
> 
> 2.	Miscellaneous fixes.
> 
> 	lkml.kernel.org/r/20171004212915.GA10089@...ux.vnet.ibm.com
> 
> 3.	RCU CPU stall-warning updates.
> 
> 	lkml.kernel.org/r/20171004215006.GA12792@...ux.vnet.ibm.com
> 
> 4.	Torture-test updates.
> 
> 	lkml.kernel.org/r/20171004215609.GA14782@...ux.vnet.ibm.com
> 
> All of these commits have been exposed to 0day Test Robot and -next
> testing, and are available in the git repository at:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git for-mingo
> 
> for you to fetch changes up to ad4e25a3a1a5a95b334242d908e26f1249db83e0:
> 
>   Merge branches 'doc.2017.10.20a', 'fixes.2017.10.19a', 'stall.2017.10.09a' and 'torture.2017.10.09a' into HEAD (2017-10-20 11:11:15 -0700)
> 
> ----------------------------------------------------------------
> Alan Stern (1):
>       memory-barriers: Rework multicopy-atomicity section
> 
> Guilherme G. Piccoli (1):
>       doc: Rewrite confusing statement about memory barriers
> 
> Neeraj Upadhyay (1):
>       rcu: Fix up pending cbs check in rcu_prepare_for_idle
> 
> Paul E. McKenney (19):
>       documentation: RCU grace-period memory ordering guarantees
>       documentation: Long-running irq handlers can stall RCU grace periods
>       documentation: Slow systems can stall RCU grace periods
>       documentation: Update RCU CPU stall warning messages
>       memory-barriers: Replace uses of "transitive"
>       rcu: Create call_rcu_tasks() kthread at boot time
>       irq_work: Map irq_work_on_queue() to irq_work_on() in !SMP
>       sched: Make resched_cpu() unconditional
>       sched,rcu: Make cond_resched() provide RCU quiescent state
>       rcu: Make RCU CPU stall warnings check for irq-disabled CPUs
>       rcu: Turn off tracing before dumping trace
>       rcu: Suppress RCU CPU stall warnings while dumping trace
>       rcutorture: Add interrupt-disable capability to stall-warning tests
>       rcutorture: Dump writer stack if stalled
>       torture: Provide TMPDIR environment variable to specify tmpdir
>       rcu: Suppress lockdep false-positive ->boost_mtx complaints
>       rcu: Add extended-quiescent-state testing advice
>       srcu: Add parameters to SRCU docbook comments
>       Merge branches 'doc.2017.10.20a', 'fixes.2017.10.19a', 'stall.2017.10.09a' and 'torture.2017.10.09a' into HEAD
> 
> Scott Tsai (1):
>       memory-barriers.txt: Fix typo in pairing example
> 
> Sebastian Andrzej Siewior (2):
>       rcu: Do not include rtmutex_common.h unconditionally
>       rcu/segcblist: Include rcupdate.h
> 
>  .../Design/Memory-Ordering/Tree-RCU-Diagram.html   |    9 +
>  .../Memory-Ordering/Tree-RCU-Memory-Ordering.html  |  707 +++
>  .../TreeRCU-callback-invocation.svg                |  486 ++
>  .../Memory-Ordering/TreeRCU-callback-registry.svg  |  655 +++
>  .../RCU/Design/Memory-Ordering/TreeRCU-dyntick.svg |  700 +++
>  .../Design/Memory-Ordering/TreeRCU-gp-cleanup.svg  | 1126 +++++
>  .../RCU/Design/Memory-Ordering/TreeRCU-gp-fqs.svg  | 1309 +++++
>  .../Design/Memory-Ordering/TreeRCU-gp-init-1.svg   |  656 +++
>  .../Design/Memory-Ordering/TreeRCU-gp-init-2.svg   |  656 +++
>  .../Design/Memory-Ordering/TreeRCU-gp-init-3.svg   |  632 +++
>  .../RCU/Design/Memory-Ordering/TreeRCU-gp.svg      | 5135 ++++++++++++++++++++
>  .../RCU/Design/Memory-Ordering/TreeRCU-hotplug.svg |  775 +++
>  .../RCU/Design/Memory-Ordering/TreeRCU-qs.svg      | 1095 +++++
>  .../RCU/Design/Memory-Ordering/rcu_node-lock.svg   |  229 +
>  Documentation/RCU/stallwarn.txt                    |  200 +-
>  Documentation/admin-guide/kernel-parameters.txt    |    3 +
>  Documentation/memory-barriers.txt                  |  197 +-
>  include/linux/irq_work.h                           |    3 -
>  include/linux/srcu.h                               |    1 +
>  kernel/irq_work.c                                  |    9 +-
>  kernel/rcu/rcu.h                                   |   21 +-
>  kernel/rcu/rcu_segcblist.c                         |    1 +
>  kernel/rcu/rcutorture.c                            |   24 +-
>  kernel/rcu/srcutree.c                              |    2 +-
>  kernel/rcu/tree.c                                  |  159 +-
>  kernel/rcu/tree.h                                  |    5 +
>  kernel/rcu/tree_plugin.h                           |   14 +-
>  kernel/rcu/update.c                                |   25 +-
>  kernel/sched/core.c                                |    5 +-
>  .../selftests/rcutorture/bin/config_override.sh    |    2 +-
>  .../selftests/rcutorture/bin/configcheck.sh        |    2 +-
>  .../testing/selftests/rcutorture/bin/configinit.sh |    2 +-
>  .../testing/selftests/rcutorture/bin/kvm-build.sh  |    2 +-
>  .../selftests/rcutorture/bin/kvm-test-1-run.sh     |    2 +-
>  tools/testing/selftests/rcutorture/bin/kvm.sh      |    4 +-
>  .../selftests/rcutorture/bin/parse-build.sh        |    2 +-
>  .../selftests/rcutorture/bin/parse-torture.sh      |    2 +-
>  37 files changed, 14600 insertions(+), 257 deletions(-)
>  create mode 100644 Documentation/RCU/Design/Memory-Ordering/Tree-RCU-Diagram.html
>  create mode 100644 Documentation/RCU/Design/Memory-Ordering/Tree-RCU-Memory-Ordering.html
>  create mode 100644 Documentation/RCU/Design/Memory-Ordering/TreeRCU-callback-invocation.svg
>  create mode 100644 Documentation/RCU/Design/Memory-Ordering/TreeRCU-callback-registry.svg
>  create mode 100644 Documentation/RCU/Design/Memory-Ordering/TreeRCU-dyntick.svg
>  create mode 100644 Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp-cleanup.svg
>  create mode 100644 Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp-fqs.svg
>  create mode 100644 Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp-init-1.svg
>  create mode 100644 Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp-init-2.svg
>  create mode 100644 Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp-init-3.svg
>  create mode 100644 Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp.svg
>  create mode 100644 Documentation/RCU/Design/Memory-Ordering/TreeRCU-hotplug.svg
>  create mode 100644 Documentation/RCU/Design/Memory-Ordering/TreeRCU-qs.svg
>  create mode 100644 Documentation/RCU/Design/Memory-Ordering/rcu_node-lock.svg

Pulled, thanks a lot Paul!

	Ingo