linux-kernel - Re: [PATCH] rcu_sync: simplify the state machine, introduce __rcu_sync

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Date:	Tue, 9 Aug 2016 10:48:42 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	John Stultz <john.stultz@...aro.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Ingo Molnar <mingo@...nel.org>,
	lkml <linux-kernel@...r.kernel.org>, Tejun Heo <tj@...nel.org>,
	Dmitry Shmidt <dimitrysh@...gle.com>,
	Rom Lemarchand <romlem@...gle.com>,
	Colin Cross <ccross@...gle.com>, Todd Kjos <tkjos@...gle.com>
Subject: Re: [PATCH] rcu_sync: simplify the state machine, introduce
 __rcu_sync_enter()

On Mon, Jul 25, 2016 at 07:26:26PM +0200, Oleg Nesterov wrote:
> On 07/25, John Stultz wrote:
> >
> > Can you also make clear which patches of PeterZ's I should be adding
> > as well for testing?  I've lost the plot as to what goes with what..
> 
> Well, my understanding is that Peter is going to send v2 with some minor
> changes, I am going to send this patch on top of his series.

OK, back from holidays and I finally got around to reading this again.

So let me send out the rwsem optmization patch v2 in a new thread and
lets take it from there.