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From: Andres Salomon <dilinger@collabora.co.uk>
To: linux-kernel@vger.kernel.org
Subject: Re: i686 quirk for AMD Geode
Date: Thu, 12 Nov 2009 21:03:51 -0500	[thread overview]
Message-ID: <20091112210351.459994c2@mycelium.queued.net> (raw)
In-Reply-To: <20091112121805.GF1394@ucw.cz>

On Thu, 12 Nov 2009 13:18:05 +0100
Pavel Machek <pavel@ucw.cz> wrote:

> Hi!
> 
> > > > The Geode NX (which no one has mentioned yet) is an Athlon
> > > > derived chip.
> > > 
> > > *As far as I know* K6 didn't have NOPL, whereas K7 does.
> > 
> > Which would be mroe indication that the Geode LX may in fact be a K6
> > based CPU design.  The Geode NX is very clearly an Athlon (K7) and
> > AMD has never even tried to hide that.  They have never said what
> > the LX is based on, other than it isn't based on the GX
> > (fortunately, that thing was a buggy piece of crap).
> 
> Interesting...geode gx being buggy? I know pentium was famous for the
> fdiv bug, but never heard of geode gx problems...

http://www.amd.com/files/connectivitysolutions/geode/geode_gx/31533E_gx_2.1_specupdate.pdf

1.4 is my favorite.  The branch prediction logic can send the
instruction pointer off to la-la land.

While at olpc, we had a sad discussion about what the *real* impact of
the workaround was...





  reply	other threads:[~2009-11-13  2:04 UTC|newest]

Thread overview: 135+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-10-03  2:12 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 [this message]
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
2009-10-04 14:58       ` Alan Cox
2009-11-09 21:14         ` H. Peter Anvin
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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