From mboxrd@z Thu Jan 1 00:00:00 1970 From: "H. Peter Anvin" Subject: Re: [PATCH] deal with interrupt shadow state for emulated instruction Date: Tue, 14 Apr 2009 10:32:56 -0700 Message-ID: <49E4C8C8.9060109@zytor.com> References: <1239653210-10422-1-git-send-email-glommer@redhat.com> <49E45894.7090700@redhat.com> <49E4B4D4.1020903@zytor.com> <49E4B654.6060101@redhat.com> <20090414183111.0243408e@lxorguk.ukuu.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Avi Kivity , Glauber Costa , kvm@vger.kernel.org, linux-kernel@vger.kernel.org To: Alan Cox Return-path: Received: from terminus.zytor.com ([198.137.202.10]:36406 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752504AbZDNRdU (ORCPT ); Tue, 14 Apr 2009 13:33:20 -0400 In-Reply-To: <20090414183111.0243408e@lxorguk.ukuu.org.uk> Sender: kvm-owner@vger.kernel.org List-ID: 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