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Message-ID: <4631873B.1000107@zytor.com>
Date: Thu, 26 Apr 2007 22:16:43 -0700
From: "H. Peter Anvin" <hpa@...or.com>
To: "Eric W. Biederman" <ebiederm@...ssion.com>
CC: Michael McConnell <soruk@...dani.co.uk>,
linux-kernel@...r.kernel.org, Andi Kleen <ak@...e.de>
Subject: Re: MAINTAINERS file out of date?
Eric W. Biederman wrote:
> WANG Cong <xiyou.wangcong@...il.com> writes:
>
>> Thanks for your point.
>> I know little about virtualization, maybe can't help much. But I am interested
>> in other things you mentioned. AFAIK, segments can't be avoided on i386, and
>> Linux uses them very little, how are they recalculated constantly?
>
> Look in arch/i386/boot/setup.S it runs in 16bit mode. We are talking about
> real mode segments not 16bit segments.
>
> 16bit real mode is a completely different ball game, and why we keep BIOS
> calls isolated to that one dinky file.
>
A lot of that code (although, of course, not all) could be written in C,
though. I'm thinking of taking a stab at rewriting it that way.
-hpa
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