From: Arjan van de Ven <arjan@infradead.org>
To: Matteo Croce <technoboy85@gmail.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>, linux-kernel@vger.kernel.org
Subject: Re: i686 quirk for AMD Geode
Date: Sat, 3 Oct 2009 19:25:24 -0700 [thread overview]
Message-ID: <20091003192524.2ca2bd9e@infradead.org> (raw)
In-Reply-To: <40101cc30910031504pa9f8536k82dbd7668dfa643d@mail.gmail.com>
On Sun, 4 Oct 2009 00:04:03 +0200
Matteo Croce <technoboy85@gmail.com> wrote:
> >
> > the number that is exposed in /proc/cpuinfo does not control
> > if cmov is used... so the patch and the benchmark are totally
> > unrelated.
> >
>
> yes cmov and i686 are unrelated but some distros (Debian & co.)
> compiles libraries for two archs:
> i486 and i686-cmov so only i686 machines does benefit from cmov.
> This is why I cared about having an i686 aware userspace but it seems
> that for a missing instruction I can't do that
I'm surprised that "i686" in debian depends on the family flag
in /proc/cpuinfo.. but hey.. weirder things have been done.
--
Arjan van de Ven Intel Open Source Technology Centre
For development, discussion and tips for power savings,
visit http://www.lesswatts.org
next prev parent reply other threads:[~2009-10-04 2:25 UTC|newest]
Thread overview: 135+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-03 2:12 i686 quirk for AMD Geode Matteo Croce
2009-10-03 2:34 ` H. Peter Anvin
2009-10-03 3:08 ` Matteo Croce
2009-10-03 2:35 ` H. Peter Anvin
2009-10-03 7:21 ` Ingo Molnar
2009-10-03 9:53 ` Matteo Croce
2009-10-03 14:12 ` H. Peter Anvin
2009-10-03 14:56 ` Matteo Croce
2009-11-06 14:59 ` Matteo Croce
2009-11-06 16:44 ` H. Peter Anvin
2009-11-06 22:18 ` Matteo Croce
2009-11-07 0:49 ` Alan Cox
2009-11-08 17:37 ` Pavel Machek
2009-11-08 17:40 ` Matteo Croce
2009-11-08 18:10 ` Pavel Machek
2009-11-08 18:13 ` Matteo Croce
2009-11-08 19:29 ` Sven-Haegar Koch
2009-11-08 19:36 ` Pavel Machek
2009-11-08 19:47 ` Matteo Croce
2009-11-08 19:51 ` Pavel Machek
2009-11-08 20:08 ` Alan Cox
2009-11-10 5:27 ` Willy Tarreau
2009-11-10 6:02 ` H. Peter Anvin
2009-11-10 10:41 ` Avi Kivity
2009-11-10 10:56 ` Alan Cox
2009-11-10 17:08 ` H. Peter Anvin
2009-11-10 17:24 ` Alan Cox
2009-11-10 18:49 ` H. Peter Anvin
2009-11-10 19:50 ` Avi Kivity
2009-11-10 20:01 ` H. Peter Anvin
2009-11-10 20:16 ` Willy Tarreau
2009-11-10 20:25 ` H. Peter Anvin
2009-11-10 20:34 ` Willy Tarreau
2009-11-10 20:54 ` Pavel Machek
2009-11-10 21:12 ` Willy Tarreau
2009-11-10 21:19 ` H. Peter Anvin
2009-11-10 22:06 ` Willy Tarreau
2009-11-10 22:15 ` H. Peter Anvin
2009-11-10 22:20 ` Ingo Molnar
2009-11-10 22:42 ` Willy Tarreau
2009-11-10 22:47 ` H. Peter Anvin
2009-11-11 5:52 ` Willy Tarreau
2009-11-11 6:15 ` H. Peter Anvin
2009-11-11 6:36 ` Willy Tarreau
2009-11-11 7:57 ` H. Peter Anvin
2009-11-11 9:32 ` Willy Tarreau
2009-11-12 2:23 ` Matt Thrailkill
2009-11-12 5:27 ` Willy Tarreau
2009-11-12 5:31 ` H. Peter Anvin
2009-11-12 5:40 ` Willy Tarreau
2009-11-23 19:27 ` Eric W. Biederman
2009-11-23 19:35 ` H. Peter Anvin
2009-11-23 20:03 ` Eric W. Biederman
2009-11-11 10:03 ` Alan Cox
2009-11-11 8:17 ` Pavel Machek
2009-11-10 22:21 ` Willy Tarreau
2009-11-11 10:21 ` Alan Cox
2009-11-11 10:43 ` Willy Tarreau
2009-11-11 16:15 ` H. Peter Anvin
2009-11-10 22:27 ` Lennart Sorensen
2009-11-10 22:29 ` H. Peter Anvin
2009-11-10 22:34 ` Lennart Sorensen
2009-11-10 22:38 ` H. Peter Anvin
2009-11-10 22:54 ` Lennart Sorensen
2009-11-11 8:03 ` Pavel Machek
2009-11-11 9:35 ` Willy Tarreau
2009-11-10 21:21 ` Matt Thrailkill
2009-11-10 21:26 ` H. Peter Anvin
2009-11-10 22:01 ` Matteo Croce
2009-11-10 22:10 ` Willy Tarreau
2009-11-11 10:54 ` Bernd Petrovitsch
2009-11-12 0:51 ` Daniel Pittman
2009-11-12 1:00 ` H. Peter Anvin
2009-11-10 16:29 ` H. Peter Anvin
2009-11-08 19:46 ` Matteo Croce
2009-11-08 19:50 ` Pavel Machek
2009-11-08 20:41 ` Krzysztof Halasa
2009-11-08 18:42 ` Matteo Croce
2009-11-09 20:16 ` Lennart Sorensen
2009-11-09 21:03 ` Matteo Croce
2009-11-09 21:17 ` H. Peter Anvin
2009-11-09 21:23 ` Lennart Sorensen
2009-11-12 12:18 ` Pavel Machek
2009-11-13 2:03 ` Andres Salomon
2009-11-13 10:50 ` Alan Cox
2009-11-13 16:23 ` Lennart Sorensen
2009-11-13 16:57 ` Alan Cox
2009-11-13 19:24 ` Lennart Sorensen
2009-11-13 21:21 ` Alan Cox
2009-11-16 17:50 ` Lennart Sorensen
2009-11-17 11:59 ` Alan Cox
2009-11-17 14:34 ` Lennart Sorensen
2009-11-17 16:43 ` H. Peter Anvin
2009-11-17 17:10 ` Lennart Sorensen
2009-11-17 16:48 ` Valdis.Kletnieks
2009-11-17 17:25 ` Lennart Sorensen
2009-11-17 17:33 ` H. Peter Anvin
2009-11-17 18:33 ` Lennart Sorensen
2009-11-18 20:21 ` Lennart Sorensen
2009-11-18 20:59 ` H. Peter Anvin
2009-11-18 21:11 ` Lennart Sorensen
2009-11-19 0:41 ` Lennart Sorensen
2009-11-13 5:55 ` Yuhong Bao
2009-11-13 16:24 ` Lennart Sorensen
2009-11-13 13:33 ` Pádraig Brady
2009-11-13 16:25 ` Lennart Sorensen
2009-11-08 17:35 ` Pavel Machek
2009-10-03 18:05 ` Arjan van de Ven
2009-10-03 22:04 ` Matteo Croce
2009-10-03 22:32 ` Gabor Gombas
2009-10-03 22:54 ` Matteo Croce
2009-10-04 7:29 ` Gabor Gombas
2009-10-04 2:25 ` Arjan van de Ven [this message]
2009-10-04 14:58 ` Alan Cox
2009-11-09 21:14 ` H. Peter Anvin
-- strict thread matches above, loose matches on Subject: below --
2009-11-06 15:49 Martin Schleier
2009-11-06 15:59 ` Alan Cox
2009-11-06 16:42 ` Matteo Croce
2009-11-06 16:57 ` Martin Schleier
2009-11-06 18:22 ` Alan Cox
2009-11-06 20:06 ` Martin Schleier
[not found] ` <20091106210259.290b281a@lxorguk.ukuu.org.uk>
2009-11-06 22:33 ` Martin Schleier
2009-11-06 23:05 ` Krzysztof Halasa
2009-11-07 0:05 ` Martin Schleier
2009-11-07 10:37 ` Krzysztof Halasa
2009-11-07 11:11 ` Matteo Croce
2009-11-08 2:14 ` H. Peter Anvin
2009-11-08 16:05 ` Andres Salomon
2009-11-08 18:04 ` Matteo Croce
2009-11-08 18:46 ` Andres Salomon
2009-11-08 18:22 ` Matteo Croce
2009-11-08 18:47 ` Andres Salomon
2009-11-10 5:58 ` Willy Tarreau
2009-11-08 22:10 H. Peter Anvin
2009-11-09 0:22 ` Alan Cox
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