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Date: Mon, 28 Jul 2008 10:02:30 -0400
From: "H. Peter Anvin" <hpa@zytor.com>
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To: Jan Beulich <jbeulich@novell.com>
CC: Ingo Molnar <mingo@elte.hu>, Joerg Roedel <joro@8bytes.org>,
       Andi Kleen <andi@firstfloor.org>, tglx@linutronix.de,
       Linus Torvalds <torvalds@linux-foundation.org>,
       linux-kernel@vger.kernel.org
Subject: Re: [PATCH] i386: improve double fault handling
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Jan Beulich wrote:
> 
>> Firstly, 64-bit does not use a task gate for double faults anymore. (but 
>> uses a separate IST stack for double faults)
> 
> Sure - because there are no task gates on 64-bit.
> 

What we're doing here is really using task gates to emulate IST anyway.

	-hpa