linux-kernel - Re: [RFC PATCH] x86, fpu: Use eagerfpu by default on all CPUs

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <54EB4CEA.3030801@redhat.com>
Date:	Mon, 23 Feb 2015 10:53:14 -0500
From:	Rik van Riel <riel@...hat.com>
To:	Borislav Petkov <bp@...en8.de>, Oleg Nesterov <oleg@...hat.com>
CC:	Andy Lutomirski <luto@...capital.net>, x86@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH] x86, fpu: Use eagerfpu by default on all CPUs

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On 02/23/2015 10:11 AM, Borislav Petkov wrote:
> On Mon, Feb 23, 2015 at 03:59:29PM +0100, Oleg Nesterov wrote:
>> Well, but if we want this change then perhaps we should simply
>> change the default value? This way "AUTO" still can work.
> 
> Yeah, sure, let's do some measurements first, to see whether this
> is even worth it.
> 
> Btw, Mel pointed me at some cleanups he did a while ago in that
> area too: https://lkml.org/lkml/2014/8/6/201
> 
> If you guys could take a look, that would be awesome :)

I don't think any of those changes would survive the
"defer FPU loading to do_notify_resume" patch series.

- -- 
All rights reversed
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1

iQEcBAEBAgAGBQJU60zqAAoJEM553pKExN6DbIMH/A72/Lid9hho65Wh4notTa7a
QMRsM+XgLvvohmYKWZQ+uS4by9jbLaH827PIQtcW3bSEgtWGjam+pUGC/gWXwZk7
51oYDhyAqvVr6vb3mpl13+N+xGN5TlLoZa7SC73DuSSD/6HGqDryrr7mcfX53Yc+
UOg7MpAx//5tLZ89amMirqqqhqEfQh9qlyjPNLVywpHeSDYfxlinsfJgWOUW0/4A
7wR51ToANH9cMcSXWQ72lUNbJpJLgkcW8AVKXicS/UtFnvgItcvfgy1TjOpuaZom
MRVv0E7NUM10U9mZ13NRDE7JSCk5Euy8XgM+AOk5PXJlb0Lg8IYu1nVTn7Q+6A0=
=JLIM
-----END PGP SIGNATURE-----
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/