linux-kernel - Re: [PATCH v2 tip/core/rcu 0/13] Miscellaneous fixes for 4.12

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Message-Id: <20170419164553.GA10874@linux.vnet.ibm.com>
Date:   Wed, 19 Apr 2017 09:45:53 -0700
From:   "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:     linux-kernel@...r.kernel.org
Cc:     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,
        dvhart@...ux.intel.com, fweisbec@...il.com, oleg@...hat.com,
        bobby.prani@...il.com
Subject: Re: [PATCH v2 tip/core/rcu 0/13] Miscellaneous fixes for 4.12

Hello!

This v3 series contains the following fixes:

1.	Rename SLAB_DESTROY_BY_RCU to SLAB_TYPESAFE_BY_RCU.

2.	Use "WARNING" tag on RCU's lockdep splats.

3.	Update obsolete callback_head comment.

4.	Make RCU_FANOUT_LEAF help text more explicit about skew_tick.

5.	Remove obsolete comment from rcu_future_gp_cleanup() header.

6.	Disable sparse warning emitted by hlist_add_tail_rcu(), courtesy
	of Michael S. Tsirkin.

7.	Improve comments for hotplug/suspend/hibernate functions.

8.	Use correct path for Kconfig fragment for duplicate rcutorture
	test scenarios.

9.	Use bool value directly for ->beenonline comparison, courtesy
	of Nicholas Mc Guire.

10.	Use true/false in assignment to bool variable rcu_nocb_poll,
	courtesy of Nicholas Mc Guire.

11.	Fix typo in PER_RCU_NODE_PERIOD header comment.

Changes since v2:

o	Fixed indentation in RCU_FANOOUT_LEAF Kconfig option help text,
	as noted by Josh Triplett.

o	Applied feedback from David Rientjes.

Changes since v1:

o	Applied review feedback from Peter Zijlstra, Vlastimil Babka,
	and Eric Dumazet.

o	Dropped v1 patch #7 ("Add smp_mb__after_atomic() to
	sync_exp_work_done()"), as ensuing discussion confirmed that
	smp_mb__before_atomic() guarantees a full barrier.

o	Moved v1 patch #9 ("Use static initialization for "srcu" in
	mm/mmu_notifier.c") to the srcu series because 0day Test Robot
	showed that it needs to be there.

							Thanx, Paul

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

 Documentation/RCU/00-INDEX                               |    2 
 Documentation/RCU/rculist_nulls.txt                      |    6 -
 Documentation/RCU/whatisRCU.txt                          |    3 
 drivers/gpu/drm/i915/i915_gem.c                          |    2 
 drivers/gpu/drm/i915/i915_gem_request.h                  |    2 
 drivers/staging/lustre/lustre/ldlm/ldlm_lockd.c          |    2 
 fs/jbd2/journal.c                                        |    2 
 fs/signalfd.c                                            |    2 
 include/linux/dma-fence.h                                |    4 
 include/linux/rculist.h                                  |    3 
 include/linux/slab.h                                     |    6 -
 include/linux/types.h                                    |    2 
 include/net/sock.h                                       |    2 
 init/Kconfig                                             |   10 +
 kernel/fork.c                                            |    4 
 kernel/locking/lockdep.c                                 |   86 +++++++--------
 kernel/locking/rtmutex-debug.c                           |    9 -
 kernel/rcu/tree.c                                        |   49 ++++++--
 kernel/rcu/tree_plugin.h                                 |    2 
 kernel/signal.c                                          |    2 
 mm/kasan/kasan.c                                         |    6 -
 mm/kmemcheck.c                                           |    2 
 mm/rmap.c                                                |    4 
 mm/slab.c                                                |    6 -
 mm/slab.h                                                |    4 
 mm/slab_common.c                                         |    6 -
 mm/slob.c                                                |    6 -
 mm/slub.c                                                |   12 +-
 net/dccp/ipv4.c                                          |    2 
 net/dccp/ipv6.c                                          |    2 
 net/ipv4/tcp_ipv4.c                                      |    2 
 net/ipv6/tcp_ipv6.c                                      |    2 
 net/llc/af_llc.c                                         |    2 
 net/llc/llc_conn.c                                       |    4 
 net/llc/llc_sap.c                                        |    2 
 net/netfilter/nf_conntrack_core.c                        |    8 -
 net/smc/af_smc.c                                         |    2 
 tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh |    2 
 38 files changed, 158 insertions(+), 116 deletions(-)