From: "H. Peter Anvin" <hpa@zytor.com>
To: Christer Weinigel <christer@weinigel.se>
Cc: Zachary Amsden <zach@vmware.com>,
Rene Herman <rene.herman@keyaccess.nl>,
"David P. Reed" <dpreed@reed.com>, Avi Kivity <avi@qumranet.com>,
Ondrej Zary <linux@rainbow-software.org>,
Bodo Eggert <7eggert@gmx.de>, Ingo Molnar <mingo@elte.hu>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
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, 09 Jan 2008 13:59:33 -0800 [thread overview]
Message-ID: <478543C5.5030401@zytor.com> (raw)
In-Reply-To: <20080109212615.5908fd3c@weinigel.se>
Christer Weinigel wrote:
> On Wed, 09 Jan 2008 10:18:11 -0800
> "H. Peter Anvin" <hpa@zytor.com> wrote:
>
>> Zachary Amsden wrote:
>>> I'm speaking specifically in terms of 64-bit platforms here.
>>> Shouldn't we unconditionally drop outb_p doing extra port I/O on
>>> 64-bit architectures? Especially considering they don't even have
>>> an ISA bus where the decode timing could even matter?
>>>
>> Why should the bitsize of the CPU matter for this? It seems one of
>> the less meaningful keys for this.
>
> Well, anything that runs x86_64 should be a fairly modern system.
>
Yes, but you hardly want a situation where the machine works booting a
32-bit kernel and not a 64-bit kernel, or vice versa.
Furthermore, it's not so much about "modern" versus "old", it is about
picking a certain set of bugs.
-hpa
next prev parent reply other threads:[~2008-01-09 22:01 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 ` [PATCH] x86: provide a DMI based port 0x80 I/O delay override 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
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 [this message]
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=478543C5.5030401@zytor.com \
--to=hpa@zytor.com \
--cc=7eggert@gmx.de \
--cc=alan@lxorguk.ukuu.org.uk \
--cc=avi@qumranet.com \
--cc=christer@weinigel.se \
--cc=dpreed@reed.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux@rainbow-software.org \
--cc=mingo@elte.hu \
--cc=mingo@redhat.com \
--cc=pavel@ucw.cz \
--cc=rene.herman@keyaccess.nl \
--cc=rol@as2917.net \
--cc=rol@witbe.net \
--cc=tglx@linutronix.de \
--cc=zach@vmware.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.