linux-kernel - Re: [PATCH tip/core/rcu 0/6] Dynticks updates for 4.11

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Date:   Sun, 15 Jan 2017 23:50:13 -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 0/6] Dynticks updates for 4.11

On Sat, Jan 14, 2017 at 12:54:06AM -0800, Paul E. McKenney wrote:
> Hello!
> 
> This series provides dynticks updates:
> 
> 1-4.	Abstract access to the dyntick counter, replacing the current
> 	open-coding of atomic operations.
> 
> 5.	Check cond_resched_rcu_qs() state less often to reduce GP overhead.
> 
> 6.	Adjust FQS offline checks for exact online-CPU detection. 

I replied to patches 1 and 3 with feedback.  For patches 2 and 4-6:
Reviewed-by: Josh Triplett <josh@...htriplett.org>

> 							Thanx, Paul
> 
> ------------------------------------------------------------------------
> 
>  include/linux/rcutiny.h    |    6 +
>  include/trace/events/rcu.h |   10 -
>  kernel/rcu/tree.c          |  245 +++++++++++++++++++++++++++++++--------------
>  kernel/rcu/tree.h          |    2 
>  kernel/rcu/tree_exp.h      |   12 --
>  kernel/rcu/tree_plugin.h   |    2 
>  kernel/rcu/tree_trace.c    |    2 
>  7 files changed, 190 insertions(+), 89 deletions(-)
>