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From: Mark H Weaver <mhw@netris.org>
To: Leo Famulari <leo@famulari.name>
Cc: guix-devel@gnu.org
Subject: Re: Meltdown / Spectre
Date: Sun, 21 Jan 2018 11:26:09 -0500	[thread overview]
Message-ID: <87o9lnmb4u.fsf@netris.org> (raw)
In-Reply-To: <20180120001759.GE18016@jasmine.lan> (Leo Famulari's message of "Fri, 19 Jan 2018 16:17:59 -0800")

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.
>> 
>>   https://gcc.gnu.org/ml/gcc/2018-01/msg00115.html
>> 
>> 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.
>> 
>> 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

      Mark

  reply	other threads:[~2018-01-21 16:28 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-06 13:20 What do Meltdown and Spectre mean for libreboot x200 user? Alex Vong
2018-01-06 17:23 ` Mark H Weaver
2018-01-06 17:43 ` Meltdown / Spectre Leo Famulari
2018-01-06 20:15   ` Mark H Weaver
2018-01-07  6:38     ` Mark H Weaver
2018-01-07 21:23       ` bug#30015: WebKitGTK nondeterministic build failures Mark H Weaver
2018-01-09 20:14         ` Efraim Flashner
2018-01-10  5:49         ` Leo Famulari
2020-03-22 20:40           ` Leo Famulari
2018-01-07 21:29       ` Meltdown / Spectre Mark H Weaver
2018-01-09 21:39         ` Alex Vong
2018-01-10  4:59           ` Leo Famulari
2018-01-16 10:57             ` Ludovic Courtès
2018-01-19 22:06               ` Mark H Weaver
2018-01-20  0:17                 ` Leo Famulari
2018-01-21 16:26                   ` Mark H Weaver [this message]
2018-01-24 14:23                     ` Ludovic Courtès
2018-01-24 16:19                       ` Mark H Weaver
2018-01-26 22:05                       ` Mark H Weaver
2018-01-27 16:12                         ` Ludovic Courtès
2018-01-10 15:00           ` ng0
2018-01-08 10:30       ` Ludovic Courtès
2018-01-10  5:27       ` Leo Famulari
2018-01-07  2:44   ` Chris Marusich
2018-01-08 17:22     ` Katherine Cox-Buday
2018-01-08 18:26       ` Marius Bakke
2018-01-08 21:51         ` Tobias Geerinckx-Rice
2018-01-08 22:01           ` Tobias Geerinckx-Rice
2018-01-09 20:13           ` Katherine Cox-Buday
2018-01-09 21:18             ` Tobias Geerinckx-Rice
2018-01-10  5:26               ` Leo Famulari
2018-01-11 19:45                 ` Katherine Cox-Buday
2018-01-11 21:49                   ` Adonay Felipe Nogueira
2018-01-10 10:46               ` Tobias Platen
2018-01-10 17:20                 ` Leo Famulari
2018-01-10  6:43             ` Christopher Lemmer Webber
2018-01-10 18:41               ` Kei Kebreau
2018-01-16  3:58             ` Chris Marusich
2018-01-17 19:20               ` Gábor Boskovits
2018-01-14 15:11           ` Alex Vong
2018-01-09 23:10         ` Mark H Weaver
2018-01-10  5:04           ` Leo Famulari
2018-01-16 11:10             ` Ludovic Courtès
2018-01-17  2:38               ` Mike Gerwitz
2018-01-17 14:11                 ` Ludovic Courtès
2018-01-10  9:36           ` Chris Marusich
2018-01-10 11:49             ` Adonay Felipe Nogueira
2018-01-10 12:35               ` Tobias Platen
2018-01-10 14:04                 ` Gábor Boskovits
2018-01-12  0:25                   ` Marius Bakke
2018-01-15  8:07                   ` Pjotr Prins
2018-01-16  3:08                     ` Mike Gerwitz
2018-01-16 10:04                       ` Pjotr Prins
2018-01-12  7:39                 ` Chris Marusich

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