linux-kernel - Re: [PATCH] deal with interrupt shadow state for emulated instruction

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Message-ID: <49E4C8C8.9060109@zytor.com>
Date:	Tue, 14 Apr 2009 10:32:56 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
CC:	Avi Kivity <avi@...hat.com>, Glauber Costa <glommer@...hat.com>,
	kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] deal with interrupt shadow state for emulated instruction

Alan Cox wrote:
>> Why?  Do you see a guest filling all of memory with 'mov ss' and 
>> expecting to break out of it via an interrupt?
> 
> Well I did try mapping a page of move ss all through memory on real
> hardware long ago and seeing what happened on a 386 in real mode with
> DOSEMU. I was disappointed ;)
> 

Heheheheh....

	-hpa
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