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Date:   Mon, 16 Jan 2017 00:09:20 -0800
From:   Josh Triplett <josh@...htriplett.org>
To:     "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc:     linux-kernel@...r.kernel.org, mingo@...nel.org,
        jiangshanlai@...il.com, dipankar@...ibm.com,
        akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com,
        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 tip/core/rcu 0/20] Miscellaneous fixes for 4.11

On Sat, Jan 14, 2017 at 01:12:55AM -0800, Paul E. McKenney wrote:
> Hello!
> 
> This series provides miscellaneous fixes:
> 
> 1.	Make RCU_EXPEDITE_BOOT be the default in order to speed up
> 	boot, courtesy of Sebastian Andrzej Siewior.
> 
> 2.	Make RCU suspicious-access lockdep splats use pr_err().
> 
> 3.	Disable sys_membarrier when nohz_full is enabled, courtesy
> 	of Mathieu Desnoyers.
> 
> 4.	Only dump stalled-tasks stacks if there was a real stall, courtesy
> 	of Byungchul Park.
> 
> 5.	Remove unneeded rcu_process_callbacks() declarations.
> 
> 6.	Remove unused but set "mask" variable, courtesy of Tobias Klauser.
> 
> 7.	Remove short-term CPU kicking.
> 
> 8.	Add long-term CPU kicking.
> 
> 9.	Once again use NMI-based stack traces in stall warnings.
> 
> 10.	Add functions to test for trivial grace periods.
> 
> 11.	Make cond_resched() provide RCU quiescent state, which will
> 	hopefully lead to the removal of cond_resched_rcu_qs().
> 
> 12.	Re-enable TASKS_RCU for User Mode Linux.
> 
> 13.	Don't wake rcuc/X kthreads on NOCB CPUs.
> 
> 14.	Add comment headers to expedited-grace-period counter functions.
> 
> 15.	Make rcu_cpu_starting() use its "cpu" argument.
> 
> 16.	Enable RCU tracepoints by default to aid in debugging, courtesy
> 	of Matt Fleming.
> 
> 17.	Fix comment in rcu_organize_nocb_kthreads(), which no longer
> 	spawns kthreads.
> 
> 18.	Clarify comments about when llist locking is needed, courtesy
> 	of Joel Fernandes.
> 
> 19.	Eliminate unused expedited_normal counter.
> 
> 20.	Add lockdep checks to synchronous expedited primitives.

I replied to patches 2, 8, 10, and 11 with comments.  For the rest:
Reviewed-by: Josh Triplett <josh@...htriplett.org>

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