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Subject: Re: IO delay, port 0x80, and BIOS POST codes
To: kerndev@sc-software.com (John Heil)
Date: Thu, 14 Mar 2002 22:55:45 +0000 (GMT)
Cc: hpa@zytor.com (H. Peter Anvin), linux-kernel@vger.kernel.org
In-Reply-To: <Pine.LNX.4.33.0203141403561.1286-100000@scsoftware.sc-software.com> from "John Heil" at Mar 14, 2002 02:06:32 PM
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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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> > It is, in fact, broken on several systems -- I tried ED in SYSLINUX
> > for a while, and it broke things for people.
> 
> It does work on many, in fact, we used on a Crusoe based platform
> as well as the other x86s
> 
> Let's make it a configurable kernel debug/hacking option else
> we have the added burden of chasing down a common address.

We've got one. Its 0x80. It works everywhere with only marginal non
problematic side effects
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