From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: David Newall <davidn@davidnewall.com>
Cc: "David P. Reed" <dpreed@reed.com>,
David Woodhouse <dwmw2@infradead.org>,
Rene Herman <rene.herman@keyaccess.nl>,
Zachary Amsden <zach@vmware.com>,
"H. Peter Anvin" <hpa@zytor.com>,
Christer Weinigel <christer@weinigel.se>,
Ondrej Zary <linux@rainbow-software.org>,
Bodo Eggert <7eggert@gmx.de>, Ingo Molnar <mingo@elte.hu>,
Paul Rolland <rol@as2917.net>, Pavel Machek <pavel@ucw.cz>,
Thomas Gleixner <tglx@linutronix.de>,
linux-kernel@vger.kernel.org, Ingo Molnar <mingo@redhat.com>,
rol <rol@witbe.net>
Subject: Re: [linux-kernel] Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay override.
Date: Wed, 16 Jan 2008 20:08:29 +0000 [thread overview]
Message-ID: <20080116200829.26040351@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <478E57C8.2080403@davidnewall.com>
> If the hardware required an intermediate junk I/O, that would be a
> reason to do one, but it doesn't, does it? It requires a delay. It's
> written thus in all of the application notes.
And the only instruction that is synchronized to the bus in question is
an I/O instruction.
> Wrong again. Of course one knows how long the delay should be. The bus
> speed is known.
Wrong again. ISA bus speed is neither defined precisely, nor visible in a
system portable fashion.
I'm so glad you have nothing better to do than troll, if you
actually wrote code I'd be worried it might get into something people
used.
Alan
next prev parent reply other threads:[~2008-01-16 20:11 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <9BdU5-1YW-9@gated-at.bofh.it>
[not found] ` <9BeZN-3Gf-5@gated-at.bofh.it>
[not found] ` <9BnTB-1As-31@gated-at.bofh.it>
[not found] ` <9BrX4-8go-1@gated-at.bofh.it>
[not found] ` <9BuBG-4eR-51@gated-at.bofh.it>
[not found] ` <9BvRd-6aL-71@gated-at.bofh.it>
[not found] ` <9GRQW-1DX-13@gated-at.bofh.it>
[not found] ` <9GSah-23W-1@gated-at.bofh.it>
[not found] ` <9GSDy-2GD-23@gated-at.bofh.it>
[not found] ` <9GTpK-40d-15@gated-at.bofh.it>
[not found] ` <9GUvy-5H2-11@gated-at.bofh.it>
[not found] ` <9GVKU-7SS-25@gated-at.bofh.it>
2008-01-07 19:38 ` Bodo Eggert
2008-01-07 19:46 ` H. Peter Anvin
2008-01-07 22:02 ` Bodo Eggert
2008-01-07 22:10 ` H. Peter Anvin
2008-01-07 22:27 ` Bodo Eggert
2008-01-07 22:59 ` Rene Herman
2008-01-07 23:24 ` H. Peter Anvin
2008-01-07 23:26 ` Rene Herman
2008-01-08 0:10 ` [linux-kernel] " David P. Reed
2008-01-08 0:13 ` H. Peter Anvin
2008-01-08 1:38 ` David P. Reed
2008-01-08 17:10 ` Ondrej Zary
2008-01-08 17:24 ` David P. Reed
2008-01-08 17:38 ` Ondrej Zary
2008-01-08 18:44 ` David P. Reed
2008-01-08 18:51 ` Alan Cox
2008-01-08 19:15 ` David P. Reed
2008-01-08 19:23 ` Alan Cox
2008-01-08 19:51 ` David P. Reed
2008-01-09 2:52 ` Zachary Amsden
2008-01-09 5:19 ` H. Peter Anvin
2008-01-09 21:53 ` Zachary Amsden
2008-01-09 22:22 ` David P. Reed
2008-01-11 1:36 ` Zachary Amsden
2008-01-11 3:05 ` Rene Herman
2008-01-11 14:35 ` David P. Reed
2008-01-11 14:37 ` Alan Cox
2008-01-11 15:07 ` David P. Reed
2008-01-11 17:54 ` H. Peter Anvin
2008-01-11 14:49 ` Rene Herman
2008-01-14 21:57 ` David Woodhouse
2008-01-14 22:22 ` David P. Reed
2008-01-16 14:36 ` David Newall
2008-01-16 14:55 ` Alan Cox
2008-01-16 19:15 ` David Newall
2008-01-16 20:08 ` Alan Cox [this message]
2008-01-17 6:25 ` David Newall
2008-01-17 12:02 ` Alan Cox
2008-01-17 13:36 ` David Newall
2008-01-17 13:55 ` Rene Herman
2008-01-17 21:58 ` David Newall
2008-01-17 22:13 ` Rene Herman
2008-01-18 13:37 ` David Newall
2008-01-18 14:05 ` Rene Herman
2008-01-17 15:51 ` Alan Cox
2008-01-09 5:30 ` Christer Weinigel
2008-01-09 14:42 ` David P. Reed
2008-01-09 15:27 ` Rene Herman
2008-01-09 18:17 ` Zachary Amsden
2008-01-09 18:18 ` H. Peter Anvin
2008-01-09 20:26 ` Christer Weinigel
2008-01-09 21:59 ` H. Peter Anvin
2008-01-09 18:22 ` Adrian Bunk
2008-01-09 18:27 ` H. Peter Anvin
2008-01-08 19:25 ` Christer Weinigel
2008-01-08 20:28 ` David P. Reed
2008-01-08 21:43 ` Christer Weinigel
2008-01-08 22:24 ` David P. Reed
2008-01-08 18:51 ` Bodo Eggert
2008-01-08 19:13 ` Ondrej Zary
2008-01-09 21:01 ` Matthieu castet
2008-01-08 12:51 ` Bodo Eggert
2008-01-08 13:07 ` [linux-kernel] " David P. Reed
2008-01-08 14:37 ` Alan Cox
2008-01-08 14:09 ` Rene Herman
2008-01-08 14:31 ` Alan Cox
2008-01-07 23:57 ` [linux-kernel] " David P. Reed
2008-01-08 1:58 ` Alan Cox
2008-01-07 23:25 ` Alan Cox
2008-01-08 13:17 ` Bodo Eggert
2008-01-08 14:38 ` Alan Cox
2008-01-08 3:15 ` Christer Weinigel
[not found] <fa.u5p8NBl8IjcycTVVtf0K+YtqNQc@ifi.uio.no>
[not found] ` <fa.NOJkdyuk0c8CAqzZcG+pF1TzhJM@ifi.uio.no>
[not found] ` <fa.YLAHN7jSUo9phsICUHnxilN7/lk@ifi.uio.no>
[not found] ` <fa.SvgVgdNA9oz4F+tQ9MB2VRwr8ck@ifi.uio.no>
[not found] ` <fa.By1MDYK0MY/fwkCWWrAiQCxl5KM@ifi.uio.no>
[not found] ` <fa.97XrGLIGlvAy4P/TB5vHHrfBrIw@ifi.uio.no>
2008-01-10 0:37 ` [linux-kernel] " Robert Hancock
2008-01-10 0:44 ` Rene Herman
2008-01-10 14:41 ` David P. Reed
2007-12-17 13:02 Rene Herman
2007-12-17 17:14 ` H. Peter Anvin
2007-12-17 19:43 ` David P. Reed
2007-12-17 21:25 ` Alan Cox
2008-01-01 15:59 ` David P. Reed
2008-01-01 16:15 ` Alan Cox
2008-01-01 16:43 ` Ingo Molnar
2008-01-01 17:32 ` Alan Cox
2008-01-01 18:45 ` Ingo Molnar
2008-01-01 21:07 ` Alan Cox
2008-01-02 10:04 ` Ingo Molnar
2008-01-02 13:11 ` [linux-kernel] " David P. Reed
2008-01-02 13:21 ` Ingo Molnar
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