Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Date:   Thu, 5 Jul 2018 08:31:57 -0700
From:   "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To:     Alan Stern <stern@rowland.harvard.edu>
Cc:     Will Deacon <will.deacon@arm.com>,
        Andrea Parri <andrea.parri@amarulasolutions.com>,
        LKMM Maintainers -- Akira Yokosawa <akiyks@gmail.com>,
        Boqun Feng <boqun.feng@gmail.com>,
        David Howells <dhowells@redhat.com>,
        Jade Alglave <j.alglave@ucl.ac.uk>,
        Luc Maranget <luc.maranget@inria.fr>,
        Nicholas Piggin <npiggin@gmail.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Kernel development list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/2] tools/memory-model: Add write ordering by
 release-acquire and by locks
Reply-To: paulmck@linux.vnet.ibm.com
References: <20180704121354.GC26941@arm.com>
 <Pine.LNX.4.44L0.1807051021510.1697-100000@iolanthe.rowland.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <Pine.LNX.4.44L0.1807051021510.1697-100000@iolanthe.rowland.org>
User-Agent: Mutt/1.5.21 (2010-09-15)
Message-Id: <20180705153157.GP3593@linux.vnet.ibm.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Thu, Jul 05, 2018 at 10:23:01AM -0400, Alan Stern wrote:
> On Wed, 4 Jul 2018, Will Deacon wrote:
> 
> > On Wed, Jul 04, 2018 at 04:28:52AM -0700, Paul E. McKenney wrote:
> > > On Tue, Jul 03, 2018 at 01:28:17PM -0400, Alan Stern wrote:
> > > > PS: Paul, is the patch which introduced rel-rf-acq-po currently present
> > > > in any of your branches?  I couldn't find it.
> > > 
> > > It is not, I will add it back in.  I misinterpreted your "drop this
> > > patch" on 2/2 as "drop both patches".  Please accept my apologies!
> > > 
> > > Just to double-check, the patch below should be added, correct?
> > 
> > Hang on, I'm not sure this patch is quite right either. We need to reach
> > agreement on whether or not we want to support native RCpc acquire/release
> > instructions before we work out what to do with this relation.
> 
> Agreed.  Paul, please leave both patches reverted.  I will send 
> replacements.

Looking forward to seeing them!

							Thanx, Paul