From: "H. Peter Anvin" <hpa@zytor.com>
To: linux-kernel@vger.kernel.org
Subject: Re: Two hdds on one channel - why so slow?
Date: 1 Jan 2002 16:52:02 -0800 [thread overview]
Message-ID: <a0tlji$e5m$1@cesium.transmeta.com> (raw)
In-Reply-To: <0GPA00BK988OBK@mtaout45-01.icomcast.net> <Pine.LNX.4.10.10201011521190.6558-100000@master.linux-ide.org>
Followup to: <Pine.LNX.4.10.10201011521190.6558-100000@master.linux-ide.org>
By author: Andre Hedrick <andre@linux-ide.org>
In newsgroup: linux.dev.kernel
>
> Well if hell freezes over and I die, the patches to make the driver
> handled clean low_level IO threading will never be accepted. Because they
> model the state-diagrams of the physical layer of the hardware exactly in
> the transport layer, it is totally orthoginal to the darwinism of Linux.
> Design is a problem, it is not permitted in a darwin-evolution model.
>
I was trying to figure out what certain peoples issue with this was,
and the answer I got back was concern about buggy hardware (both host
side and target side) breaking the documented model. I am personally
in no position to evaluate the veracity of that claim; perhaps you
could comment on how to deal with broken hardware in your model.
-hpa
--
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt <amsp@zytor.com>
next prev parent reply other threads:[~2002-01-02 0:52 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-01-01 22:34 Two hdds on one channel - why so slow? Krzysztof Oledzki
2002-01-01 23:07 ` Brian
2002-01-01 23:32 ` Andre Hedrick
2002-01-02 0:52 ` H. Peter Anvin [this message]
2002-01-02 1:19 ` Benjamin LaHaise
2002-01-02 1:24 ` H. Peter Anvin
2002-01-02 2:03 ` Benjamin LaHaise
2002-01-02 4:13 ` Andre Hedrick
2002-01-02 17:21 ` Krzysztof Oledzki
2002-01-02 18:41 ` Vojtech Pavlik
2002-01-02 19:31 ` Andre Hedrick
2002-01-02 20:23 ` Brian
2002-01-02 23:30 ` Ricky Beam
2002-01-03 1:52 ` Mark Hahn
2002-01-03 5:57 ` Ricky Beam
2002-01-04 2:54 ` Petro
2002-01-04 3:04 ` Arnaldo Carvalho de Melo
2002-01-04 4:29 ` ASUS KT266A/VT8233 board and UDMA setting Dmitri Pogosyan
2002-01-04 9:25 ` Vojtech Pavlik
2002-01-04 10:35 ` Alan Cox
2002-01-04 10:28 ` Vojtech Pavlik
2002-01-04 11:20 ` Alan Cox
2002-01-04 13:37 ` Ville Herva
2002-01-04 16:48 ` David Rees
2002-01-04 17:00 ` Alan Cox
2002-01-05 19:20 ` Dmitri Pogosyan
2002-01-05 7:20 ` Dmitri Pogosyan
2002-01-04 18:19 ` Two hdds on one channel - why so slow? Stephan von Krawczynski
2002-01-04 18:38 ` Alan Cox
2002-01-04 18:30 ` Stephan von Krawczynski
2002-01-05 0:52 ` J.A. Magallon
2002-01-05 9:41 ` Nick Holloway
2002-01-05 12:04 ` Henning P. Schmiedehausen
2002-01-05 1:28 ` Andre Hedrick
2002-01-08 23:59 ` Ricky Beam
2002-01-09 0:10 ` Mark Hahn
2002-01-09 15:27 ` Andre Hedrick
2002-01-09 16:25 ` MTBF Was: " Richard B. Johnson
2002-01-08 23:46 ` Ricky Beam
2002-01-07 8:11 ` Stevie O
2002-01-07 15:57 ` Thomas Molina
2002-01-07 16:14 ` Ricky Beam
2002-01-07 16:40 ` Thomas Molina
2002-01-07 22:23 ` Ancient Memories [was: Two hdds on one channel - why so slow?] Edesio Costa e Silva
2002-01-07 23:18 ` M. Edward (Ed) Borasky
2002-01-07 18:48 ` Two hdds on one channel - why so slow? Andre Hedrick
2002-01-07 20:19 ` Petro
2002-01-07 22:31 ` Dmitri Pogosyan
2002-01-08 13:50 ` Alan Cox
2002-01-08 14:45 ` Mike Dresser
2002-01-08 14:57 ` James A Sutherland
2002-01-08 17:15 ` Wakko Warner
2002-01-02 21:23 ` Jeffrey W. Baker
-- strict thread matches above, loose matches on Subject: below --
2002-01-03 15:49 Dana Lacoste
2002-01-03 16:44 ` Mark Hahn
[not found] <Pine.LNX.4.33.0201021452120.8693-100000@coffee.psychology.mcmaster.ca>
2002-01-04 9:28 ` Krzysztof Oledzki
2002-01-04 14:02 Jesse Pollard
2002-01-04 16:33 ` Bernd Eckenfels
[not found] ` <Pine.LNX.4.43.0201041154010.14678-100000@filesrv1.baby-dragons.com>
2002-01-04 17:14 ` Bernd Eckenfels
2002-01-04 17:22 ` Timothy Covell
2002-01-04 18:40 ` Bernd Eckenfels
2002-01-04 19:32 ` Jeffrey W. Baker
2002-01-05 12:02 ` Henning P. Schmiedehausen
2002-01-04 20:29 ` Timothy Covell
2002-01-08 23:49 ` Ricky Beam
2002-01-09 0:50 ` Timothy Covell
2002-01-09 1:22 ` Ricky Beam
2002-01-04 17:40 ` Jesse Pollard
2002-01-08 12:41 ` Rob Landley
2002-01-08 21:18 ` William Park
2002-01-09 10:56 ` Rob Landley
2002-01-09 19:50 ` William Park
[not found] <Pine.LNX.4.33.0201040844130.14385-100000@coffee.psychology.mcmaster.ca>
2002-01-04 17:18 ` Krzysztof Oledzki
2002-01-04 19:29 Dana Lacoste
2002-01-05 11:58 ` Henning P. Schmiedehausen
2002-01-05 12:20 ` Petro
2002-01-09 0:04 ` Ricky Beam
2002-01-07 17:06 Jesse Pollard
2002-01-07 17:17 ` Tommy Reynolds
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