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

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Message-ID: <20090414183111.0243408e@lxorguk.ukuu.org.uk>
Date:	Tue, 14 Apr 2009 18:31:11 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Avi Kivity <avi@...hat.com>
Cc:	"H. Peter Anvin" <hpa@...or.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

> 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 ;)

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