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From: "H. Peter Anvin" <hpa@zytor.com>
To: Matteo Croce <technoboy85@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>, linux-kernel@vger.kernel.org
Subject: Re: i686 quirk for AMD Geode
Date: Fri, 06 Nov 2009 08:44:27 -0800	[thread overview]
Message-ID: <4AF4526B.4060101@zytor.com> (raw)
In-Reply-To: <40101cc30911060659k7b3b6428ob1340e476bdbac5b@mail.gmail.com>

On 11/06/2009 06:59 AM, Matteo Croce wrote:
> indeed it has MMX, MMXEXT and CMOV, just lacks the long NOP instruction (NOPL).

MMX and MMXEXT are hardly hallmarks of i686, which leaves only cmov.
I'm somewhat wondering about the general value of this patch; is i686
code really that much faster on Geode that it's worth it?

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.


  reply	other threads:[~2009-11-06 16:44 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 [this message]
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
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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