From: Andi Kleen <ak@suse.de>
To: Martin Wilck <Martin.Wilck@fujitsu-siemens.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: IO delay, port 0x80, and BIOS POST codes
Date: 15 Mar 2002 12:51:44 +0100 [thread overview]
Message-ID: <p73lmcuyrov.fsf@oldwotan.suse.de> (raw)
In-Reply-To: <3C90E983.5AC769B8@ngforever.de.suse.lists.linux.kernel> <Pine.LNX.4.33.0203151243430.1477-100000@biker.pdb.fsc.net.suse.lists.linux.kernel>
In-Reply-To: Martin Wilck's message of "15 Mar 2002 12:46:28 +0100"
Martin Wilck <Martin.Wilck@fujitsu-siemens.com> writes:
> On Thu, 14 Mar 2002, Thunder from the hill wrote:
>
> > I also remember this been discussed anually. Making it configurable with
> > a warning might be a solution, but that's nothing we could decide. Maybe
> > add a config option? It night be a [DANGEROUS] one, so the guys and gals
> > who might compile are warned of changing this.
>
> It doesn't even have to be a config option - a line
>
> /* Port used for dummy writes for I/O delays */
> /* Change this only if you know what you're doing ! */
> #define DUMMY_IO_PORT 0x80
>
> in a header file would perfectly suffice.
That effectively already exists. You just need to change the __SLOW_DOWN_IO
macro in include/asm-i387/io.h
-Andi
next parent reply other threads:[~2002-03-15 11:52 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <3C90E983.5AC769B8@ngforever.de.suse.lists.linux.kernel>
[not found] ` <Pine.LNX.4.33.0203151243430.1477-100000@biker.pdb.fsc.net.suse.lists.linux.kernel>
2002-03-15 11:51 ` Andi Kleen [this message]
2002-03-15 12:47 ` IO delay, port 0x80, and BIOS POST codes Martin Wilck
2002-03-15 12:52 ` Andi Kleen
2002-03-15 17:41 ` [PATCH] Cleanup port 0x80 use (was: Re: IO delay ...) Martin Wilck
2002-03-15 18:05 ` Alan Cox
2002-03-15 20:41 ` H. Peter Anvin
2002-03-15 21:33 ` Linus Torvalds
2002-03-15 21:37 ` Alan Cox
2002-03-16 0:01 ` H. Peter Anvin
2002-03-15 18:57 ` Andreas Dilger
2002-03-15 20:17 ` Martin Wilck
2002-03-17 2:01 ` Jamie Lokier
2002-03-18 9:18 ` Martin Wilck
2002-03-18 9:39 ` Keith Owens
2002-03-18 11:20 ` Martin Wilck
2002-03-18 15:22 ` Jamie Lokier
2002-03-15 17:39 IO delay, port 0x80, and BIOS POST codes Gerald Champagne
-- strict thread matches above, loose matches on Subject: below --
2002-03-15 15:07 Thunder from the hill
2002-03-14 18:18 Thunder from the hill
2002-03-15 11:46 ` Martin Wilck
2002-03-14 17:11 Martin Wilck
2002-03-14 17:54 ` Richard B. Johnson
2002-03-14 18:10 ` Alan Cox
2002-03-14 19:23 ` Linus Torvalds
2002-03-14 19:46 ` H. Peter Anvin
2002-03-14 20:43 ` John Heil
2002-03-14 21:03 ` Richard B. Johnson
2002-03-14 21:19 ` Pedro M. Rodrigues
2002-03-14 21:26 ` John Heil
2002-03-14 21:41 ` Richard B. Johnson
2002-03-14 21:26 ` Linus Torvalds
2002-03-14 21:44 ` Richard B. Johnson
2002-03-14 21:56 ` H. Peter Anvin
2002-03-14 22:11 ` Richard B. Johnson
2002-03-14 22:20 ` H. Peter Anvin
2002-03-14 22:25 ` Richard B. Johnson
2002-03-14 22:58 ` Alan Cox
2002-03-14 22:56 ` Alan Cox
2002-03-14 21:11 ` H. Peter Anvin
2002-03-14 21:24 ` Linus Torvalds
2002-03-14 21:57 ` H. Peter Anvin
2002-03-14 22:06 ` John Heil
2002-03-14 22:55 ` Alan Cox
2002-03-14 22:39 ` John Heil
2002-03-14 23:29 ` Alan Cox
2002-03-15 0:12 ` David Golden
2002-03-15 0:11 ` John Heil
2002-03-19 14:25 ` Pavel Machek
2002-03-15 11:30 ` Eric W. Biederman
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