linux-kernel - Re: [PATCH 2/2 v2 RFC] tools/memory-model: redefine rb in terms of rcu-fence

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Message-ID: <Pine.LNX.4.44L0.1803021017150.1408-100000@iolanthe.rowland.org>
Date:   Fri, 2 Mar 2018 10:17:55 -0500 (EST)
From:   Alan Stern <stern@...land.harvard.edu>
To:     "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
cc:     Boqun Feng <boqun.feng@...il.com>,
        LKMM Maintainers -- Akira Yokosawa <akiyks@...il.com>,
        Andrea Parri <parri.andrea@...il.com>,
        David Howells <dhowells@...hat.com>,
        Jade Alglave <j.alglave@....ac.uk>,
        Luc Maranget <luc.maranget@...ia.fr>,
        Nicholas Piggin <npiggin@...il.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Will Deacon <will.deacon@....com>,
        Kernel development list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2 v2 RFC] tools/memory-model: redefine rb in terms of
 rcu-fence

On Thu, 1 Mar 2018, Paul E. McKenney wrote:

> On Fri, Mar 02, 2018 at 12:31:41PM +0800, Boqun Feng wrote:
> > On Thu, Mar 01, 2018 at 10:37:58AM -0800, Paul E. McKenney wrote:
> > > On Thu, Mar 01, 2018 at 09:49:06AM -0800, Paul E. McKenney wrote:
> 
> [ . . . ]
> 
> > > And as Andrea pointed out off-list, I did indeed mess up Boqun's change.
> > > I forgot to change the "irreflexive" into "acyclic".  Applying that change
> > > makes everything work.
> > > 
> > > Please accept my apologies for my confusion!
> > > 
> > 
> > np, also I should have provided a proper patch for your testing.
> > 
> > For this Alan's patch, feel free to add:
> > 
> > Reviewed-by: Boqun Feng <boqun.feng@...il.com>
> 
> Alan's last submission was still RFC, so I have not yet queued it.
> So this ball is still in Alan's court.

I'll wait a few more days to see if there are any other comments and 
then submit it officially.

Alan