linux-kernel - Re: Assignment of GDT entries

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Message-Id: <1158177647.16902.2.camel@localhost.localdomain>
Date:	Wed, 13 Sep 2006 21:00:47 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	Jeremy Fitzhardinge <jeremy@...p.org>,
	Linus Torvalds <torvalds@...l.org>,
	Ingo Molnar <mingo@...e.hu>, Andi Kleen <ak@...e.de>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Zachary Amsden <zach@...are.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Michael A Fetterman <Michael.Fetterman@...cam.ac.uk>
Subject: Re: Assignment of GDT entries

Ar Mer, 2006-09-13 am 21:16 +0200, ysgrifennodd Arjan van de Ven:
> I don't know the exact details on these; I do know that several GDT
> entries tend to be used by BIOSes in their APM implementations and thus
> are better of not being used.

Thats 0x40 which tends to get used as if was a real mode base for BIOS
accesses even via the protected mode interface.

Alan

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