From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: Meltdown / Spectre
Date: Wed, 24 Jan 2018 15:23:51 +0100
Message-ID: <87607r1gjs.fsf@gnu.org>
References: <874lnzcedp.fsf@gmail.com> <20180106174358.GA28436@jasmine.lan>
	<87vageeobi.fsf@netris.org> <87incedvgv.fsf@netris.org>
	<87k1wtcq7m.fsf@netris.org> <87wp0qognk.fsf@gmail.com>
	<20180110045930.GA29390@jasmine.lan> <87po6a841k.fsf@gnu.org>
	<87bmhph5b2.fsf@netris.org> <20180120001759.GE18016@jasmine.lan>
	<87o9lnmb4u.fsf@netris.org>
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: quoted-printable
Return-path: <guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org>
Received: from eggs.gnu.org ([2001:4830:134:3::10]:50962)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <ludo@gnu.org>) id 1eeLy3-00007f-5v
	for guix-devel@gnu.org; Wed, 24 Jan 2018 09:24:00 -0500
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <ludo@gnu.org>) id 1eeLxy-0004q1-VE
	for guix-devel@gnu.org; Wed, 24 Jan 2018 09:23:59 -0500
Received: from hera.aquilenet.fr ([185.233.100.1]:36798)
	by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)
	(Exim 4.71) (envelope-from <ludo@gnu.org>) id 1eeLxy-0004os-Oz
	for guix-devel@gnu.org; Wed, 24 Jan 2018 09:23:54 -0500
In-Reply-To: <87o9lnmb4u.fsf@netris.org> (Mark H. Weaver's message of "Sun, 21
	Jan 2018 11:26:09 -0500")
List-Id: "Development of GNU Guix and the GNU System distribution."
	<guix-devel.gnu.org>
List-Unsubscribe: <https://lists.gnu.org/mailman/options/guix-devel>,
	<mailto:guix-devel-request@gnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/archive/html/guix-devel/>
List-Post: <mailto:guix-devel@gnu.org>
List-Help: <mailto:guix-devel-request@gnu.org?subject=help>
List-Subscribe: <https://lists.gnu.org/mailman/listinfo/guix-devel>,
	<mailto:guix-devel-request@gnu.org?subject=subscribe>
Errors-To: guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org
Sender: "Guix-devel" <guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org>
To: Mark H Weaver <mhw@netris.org>
Cc: guix-devel@gnu.org

Mark H Weaver <mhw@netris.org> skribis:

> Leo Famulari <leo@famulari.name> writes:
>
>> On Fri, Jan 19, 2018 at 05:06:25PM -0500, Mark H Weaver wrote:
>>> There's now a GCC 7.3 release candidate that apparently contains the
>>> necessary compiler support to allow linux-libre-4.14.14 to use the
>>> retpoline technique internally.
>>>=20
>>>   https://gcc.gnu.org/ml/gcc/2018-01/msg00115.html
>>>=20
>>> They hope to release GCC 7.3 on January 24th.  It would be good to
>>> promptly add GCC 7.3 to Guix when its released, and to start using it to
>>> build linux-libre-4.14 on selected systems: x86_64 and possibly aarch64.
>>>=20
>>> I'd prefer to continue using our default compiler to build linux-libre
>>> on systems where GCC 7.3 is not known to help with this issue.
>>
>> Thanks for looking into this, Mark. Your plan sounds good to me.
>
> FYI, in another thread, I recently posted preliminary patches to add the
> GCC 7.3 release candidate as a Guix package, and to use it to build
> linux-libre on x86_64 and i686 systems:
>
>   https://lists.gnu.org/archive/html/guix-devel/2018-01/msg00292.html

Today=E2=80=99s Jan. 24th, so hopefully we can roll in these patches today!

Thank you,
Ludo=E2=80=99.