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Date:   Thu, 12 Jul 2018 14:11:46 +0200
From:   Peter Zijlstra <peterz@infradead.org>
To:     Andrea Parri <andrea.parri@amarulasolutions.com>
Cc:     Will Deacon <will.deacon@arm.com>,
        Alan Stern <stern@rowland.harvard.edu>,
        "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
        LKMM Maintainers -- Akira Yokosawa <akiyks@gmail.com>,
        Boqun Feng <boqun.feng@gmail.com>,
        Daniel Lustig <dlustig@nvidia.com>,
        David Howells <dhowells@redhat.com>,
        Jade Alglave <j.alglave@ucl.ac.uk>,
        Luc Maranget <luc.maranget@inria.fr>,
        Nicholas Piggin <npiggin@gmail.com>,
        Kernel development list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2] tools/memory-model: Add extra ordering for locks and
 remove it for ordinary release/acquire
Message-ID: <20180712121146.GS2494@hirez.programming.kicks-ass.net>
References: <Pine.LNX.4.44L0.1807091519180.2462-100000@iolanthe.rowland.org>
 <20180710093821.GA5414@andrea>
 <20180711094310.GA13963@arm.com>
 <20180711123421.GA9673@andrea>
 <20180712074040.GA4920@worktop.programming.kicks-ass.net>
 <20180712115249.GA6201@andrea>
 <20180712120100.GA7404@andrea>
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On Thu, Jul 12, 2018 at 02:01:00PM +0200, Andrea Parri wrote:
> > OTOH (as I pointed out earlier) the strengthening we're configuring
> > will prevent some arch. (riscv being just the example of today!) to
> > go "full RCsc", and this will inevitably "complicate" both the LKMM
> 
> "full RCpc"

That's a good thing :-)