* [GIT PULL rcu/next] RCU commits for 4.9
@ 2016-09-15 17:21 Paul E. McKenney
2016-09-16 7:09 ` Ingo Molnar
0 siblings, 1 reply; 2+ messages in thread
From: Paul E. McKenney @ 2016-09-15 17:21 UTC (permalink / raw)
To: mingo
Cc: linux-kernel, chris, dingtianhong, szhang, paul.gortmaker,
bigeasy, sj38.park
Hello, Ingo,
This series contains the following changes:
1. Documentation updates, again just some simple changes.
Yes, I am getting behind on design-level updates. :-/
http://lkml.kernel.org/g/20160822151413.GA6337@linux.vnet.ibm.com
2. Expedited grace-period changes, most notably avoiding having
user threads drive expedited grace periods, using a workqueue
instead.
http://lkml.kernel.org/g/20160822152239.GA7153@linux.vnet.ibm.com
3. Miscellaneous fixes, including a performance fix for lists
that was sent with the lists modifications (second URL below).
I am holding the lists debug-enhancement modifications for the
next merge window, as there doesn't seem to be much energy
around providing fixes, and I cannot supply that energy for
this merge window. (I will make time as needed during the next
merge window.)
http://lkml.kernel.org/g/20160822152956.GA8160@linux.vnet.ibm.com
http://lkml.kernel.org/g/20160822154501.GA10364@linux.vnet.ibm.com
4. CPU hotplug updates, most notably providing exact CPU-online
tracking for RCU. This will in turn allow removal of the
checks supporting RCU's prior heuristic that was based on the
assumption that CPUs would take no longer than one jiffy to
come online.
http://lkml.kernel.org/g/20160822153825.GA9242@linux.vnet.ibm.com
5. Torture-test updates.
http://lkml.kernel.org/g/20160822155423.GA11367@linux.vnet.ibm.com
All of these changes have been subjected 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 d74b62bc3241af8ebf5141f5b12e89d9d7f341e1:
Merge branches 'doc.2016.08.22c', 'exp.2016.08.22c', 'fixes.2016.09.14a', 'hotplug.2016.08.22c' and 'torture.2016.08.22c' into HEAD (2016-09-14 12:58:49 -0700)
----------------------------------------------------------------
Chris Wilson (1):
list: Expand list_first_entry_or_null()
Ding Tianhong (1):
rcu: Fix soft lockup for rcu_nocb_kthread
Jisheng Zhang (1):
rcu: Use rcu_gp_kthread_wake() to wake up grace period kthreads
Paul E. McKenney (13):
documentation: Record reason for rcu_head two-byte alignment
rcu: Consolidate expedited grace period machinery
rcu: Drive expedited grace periods from workqueue
rcu: Stop disabling expedited RCU CPU stall warnings
rcu: Make expedited RCU CPU stall warnings respond to controls
rcu: Exclude RCU-offline CPUs from expedited grace periods
rcu: Use RCU's online-CPU state for expedited IPI retry
sched: Make wake_up_nohz_cpu() handle CPUs going offline
rcu: Avoid redundant quiescent-state chasing
rcu: Provide exact CPU-online tracking for RCU
torture: Convert torture_shutdown() to hrtimer
torture: Add task state to writer-task stall printk()s
Merge branches 'doc.2016.08.22c', 'exp.2016.08.22c', 'fixes.2016.09.14a', 'hotplug.2016.08.22c' and 'torture.2016.08.22c' into HEAD
Paul Gortmaker (1):
rcu: Don't use modular infrastructure in non-modular code
Sebastian Andrzej Siewior (2):
cpu/hotplug: Get rid of CPU_STARTING reference
rcutorture: Convert to hotplug state machine
SeongJae Park (4):
rcutorture: Remove outdated config option description
rcutorture: Print out barrier error as document says
rcuperf: Consistently insert space between flag and message
torture: TOROUT_STRING(): Insert a space between flag and message
.../RCU/Design/Requirements/Requirements.html | 22 ++++
Documentation/RCU/torture.txt | 15 ---
include/linux/list.h | 7 +-
include/linux/rcupdate.h | 1 +
include/linux/torture.h | 2 +-
kernel/cpu.c | 1 +
kernel/rcu/rcuperf.c | 7 +-
kernel/rcu/rcutorture.c | 62 ++++-------
kernel/rcu/tree.c | 44 ++++++--
kernel/rcu/tree.h | 1 +
kernel/rcu/tree_exp.h | 124 +++++++++++++--------
kernel/rcu/tree_plugin.h | 1 +
kernel/rcu/tree_trace.c | 7 +-
kernel/rcu/update.c | 3 +-
kernel/sched/core.c | 7 ++
kernel/torture.c | 27 +++--
16 files changed, 193 insertions(+), 138 deletions(-)
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [GIT PULL rcu/next] RCU commits for 4.9
2016-09-15 17:21 [GIT PULL rcu/next] RCU commits for 4.9 Paul E. McKenney
@ 2016-09-16 7:09 ` Ingo Molnar
0 siblings, 0 replies; 2+ messages in thread
From: Ingo Molnar @ 2016-09-16 7:09 UTC (permalink / raw)
To: Paul E. McKenney
Cc: linux-kernel, chris, dingtianhong, szhang, paul.gortmaker,
bigeasy, sj38.park
* Paul E. McKenney <paulmck@linux.vnet.ibm.com> wrote:
> Hello, Ingo,
>
> This series contains the following changes:
>
> 1. Documentation updates, again just some simple changes.
> Yes, I am getting behind on design-level updates. :-/
>
> http://lkml.kernel.org/g/20160822151413.GA6337@linux.vnet.ibm.com
>
> 2. Expedited grace-period changes, most notably avoiding having
> user threads drive expedited grace periods, using a workqueue
> instead.
>
> http://lkml.kernel.org/g/20160822152239.GA7153@linux.vnet.ibm.com
>
> 3. Miscellaneous fixes, including a performance fix for lists
> that was sent with the lists modifications (second URL below).
> I am holding the lists debug-enhancement modifications for the
> next merge window, as there doesn't seem to be much energy
> around providing fixes, and I cannot supply that energy for
> this merge window. (I will make time as needed during the next
> merge window.)
>
> http://lkml.kernel.org/g/20160822152956.GA8160@linux.vnet.ibm.com
> http://lkml.kernel.org/g/20160822154501.GA10364@linux.vnet.ibm.com
>
> 4. CPU hotplug updates, most notably providing exact CPU-online
> tracking for RCU. This will in turn allow removal of the
> checks supporting RCU's prior heuristic that was based on the
> assumption that CPUs would take no longer than one jiffy to
> come online.
>
> http://lkml.kernel.org/g/20160822153825.GA9242@linux.vnet.ibm.com
>
> 5. Torture-test updates.
>
> http://lkml.kernel.org/g/20160822155423.GA11367@linux.vnet.ibm.com
>
> All of these changes have been subjected 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 d74b62bc3241af8ebf5141f5b12e89d9d7f341e1:
>
> Merge branches 'doc.2016.08.22c', 'exp.2016.08.22c', 'fixes.2016.09.14a', 'hotplug.2016.08.22c' and 'torture.2016.08.22c' into HEAD (2016-09-14 12:58:49 -0700)
>
> ----------------------------------------------------------------
> Chris Wilson (1):
> list: Expand list_first_entry_or_null()
>
> Ding Tianhong (1):
> rcu: Fix soft lockup for rcu_nocb_kthread
>
> Jisheng Zhang (1):
> rcu: Use rcu_gp_kthread_wake() to wake up grace period kthreads
>
> Paul E. McKenney (13):
> documentation: Record reason for rcu_head two-byte alignment
> rcu: Consolidate expedited grace period machinery
> rcu: Drive expedited grace periods from workqueue
> rcu: Stop disabling expedited RCU CPU stall warnings
> rcu: Make expedited RCU CPU stall warnings respond to controls
> rcu: Exclude RCU-offline CPUs from expedited grace periods
> rcu: Use RCU's online-CPU state for expedited IPI retry
> sched: Make wake_up_nohz_cpu() handle CPUs going offline
> rcu: Avoid redundant quiescent-state chasing
> rcu: Provide exact CPU-online tracking for RCU
> torture: Convert torture_shutdown() to hrtimer
> torture: Add task state to writer-task stall printk()s
> Merge branches 'doc.2016.08.22c', 'exp.2016.08.22c', 'fixes.2016.09.14a', 'hotplug.2016.08.22c' and 'torture.2016.08.22c' into HEAD
>
> Paul Gortmaker (1):
> rcu: Don't use modular infrastructure in non-modular code
>
> Sebastian Andrzej Siewior (2):
> cpu/hotplug: Get rid of CPU_STARTING reference
> rcutorture: Convert to hotplug state machine
>
> SeongJae Park (4):
> rcutorture: Remove outdated config option description
> rcutorture: Print out barrier error as document says
> rcuperf: Consistently insert space between flag and message
> torture: TOROUT_STRING(): Insert a space between flag and message
>
> .../RCU/Design/Requirements/Requirements.html | 22 ++++
> Documentation/RCU/torture.txt | 15 ---
> include/linux/list.h | 7 +-
> include/linux/rcupdate.h | 1 +
> include/linux/torture.h | 2 +-
> kernel/cpu.c | 1 +
> kernel/rcu/rcuperf.c | 7 +-
> kernel/rcu/rcutorture.c | 62 ++++-------
> kernel/rcu/tree.c | 44 ++++++--
> kernel/rcu/tree.h | 1 +
> kernel/rcu/tree_exp.h | 124 +++++++++++++--------
> kernel/rcu/tree_plugin.h | 1 +
> kernel/rcu/tree_trace.c | 7 +-
> kernel/rcu/update.c | 3 +-
> kernel/sched/core.c | 7 ++
> kernel/torture.c | 27 +++--
> 16 files changed, 193 insertions(+), 138 deletions(-)
Pulled, thanks a lot Paul!
Ingo
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2016-09-16 7:09 ` Ingo Molnar
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