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Subject: Re: [patch] tls-2.5.31-C3
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Ingo Molnar <mingo@elte.hu>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>,
       Linus Torvalds <torvalds@transmeta.com>, linux-kernel@vger.kernel.org,
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Date: 12 Aug 2002 11:34:28 +0100
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On Mon, 2002-08-12 at 11:49, Ingo Molnar wrote:
> but, couldnt APM use its own private GDT for real-mode calls, with 0x40
> filled in properly? That would pretty much decouple things.

That would get extremely messy when handing interrupts arriving while in
an APM bios call (which is required on many laptops). I believe the 0x40
= 0x40 assumption is identical across windows, buggy apm, buggy bios32,
buggy edd, buggy .. (you get the picture)

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