linux-kernel - Re: [RFC PATCH] tools/memory-model: Remove (dep ; rfi) from ppo

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Message-ID: <8fbdcdc0-1f4e-e268-c183-0d65be3d39c9@gmail.com>
Date:   Sun, 3 Mar 2019 00:27:12 +0900
From:   Akira Yokosawa <akiyks@...il.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Borislav Petkov <bp@...en8.de>,
        "Paul E. McKenney" <paulmck@...ux.ibm.com>,
        Andrea Parri <andrea.parri@...rulasolutions.com>,
        linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
        Alan Stern <stern@...land.harvard.edu>,
        Will Deacon <will.deacon@....com>,
        Boqun Feng <boqun.feng@...il.com>,
        Nicholas Piggin <npiggin@...il.com>,
        David Howells <dhowells@...hat.com>,
        Jade Alglave <j.alglave@....ac.uk>,
        Luc Maranget <luc.maranget@...ia.fr>,
        Daniel Lustig <dlustig@...dia.com>
Subject: Re: [RFC PATCH] tools/memory-model: Remove (dep ; rfi) from ppo

Hello Peter,

On Tue, 26 Feb 2019 14:49:06 +0100, Peter Zijlstra wrote:
> On Tue, Feb 26, 2019 at 12:38:13PM +0100, Borislav Petkov wrote:
>> On Tue, Feb 26, 2019 at 12:30:08PM +0100, Peter Zijlstra wrote:
>>> When I used the argc variant, gcc-8 'works', but with s/argc/1/ it is
>>> still broken.
>>
>> As requested on IRC:
> 
> What I asked was if you could get your GCC developer friends to have a
> look at this :-)
> 

JFYI, there is a bugzilla ticket regarding this behavior of GCC
at https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61502,
which started on 13 June 2014 and the latest entry was on
02 Feb 2019.

        Thanks, Akira