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From: "H. Peter Anvin" <hpa@zytor.com>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Michael McConnell <soruk@eridani.co.uk>,
	linux-kernel@vger.kernel.org, Andi Kleen <ak@suse.de>
Subject: Re: MAINTAINERS file out of date?
Date: Thu, 26 Apr 2007 22:16:43 -0700	[thread overview]
Message-ID: <4631873B.1000107@zytor.com> (raw)
In-Reply-To: <m1647ijvk1.fsf@ebiederm.dsl.xmission.com>

Eric W. Biederman wrote:
> WANG Cong <xiyou.wangcong@gmail.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

  reply	other threads:[~2007-04-27  5:16 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-04-26 22:19 Michael McConnell
2007-04-26 23:13 ` H. Peter Anvin
2007-04-27  1:09   ` WANG Cong
2007-04-27  1:12     ` H. Peter Anvin
2007-04-27  2:32       ` WANG Cong
2007-04-27  4:22         ` Eric W. Biederman
2007-04-27  5:16           ` H. Peter Anvin [this message]
2007-04-27  5:24             ` Eric W. Biederman
2007-04-27  5:27               ` H. Peter Anvin
2007-04-27 10:28                 ` WANG Cong
2007-04-27 15:55                   ` H. Peter Anvin
2007-04-27 10:34             ` Andi Kleen
2007-04-27 15:56               ` H. Peter Anvin
2007-04-27 17:02                 ` Eric W. Biederman

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