From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: shadow roles Date: Sat, 05 Jul 2008 12:03:59 +0300 Message-ID: <486F38FF.6000005@qumranet.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: Sukanto Ghosh Return-path: Received: from il.qumranet.com ([212.179.150.194]:48076 "EHLO il.qumranet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750797AbYGEJEB (ORCPT ); Sat, 5 Jul 2008 05:04:01 -0400 In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: Sukanto Ghosh wrote: > Can anyone explain a situation where multiple operating modes need to > co-exist, as facilitated by shadow roles ? (apart from differing > quadrants) > > A page can simultaneously be used as a page directory or page table (x86 terms). Theoretically, it can also be used simultaneously for pae and nonpae paging, though that never happens in practice. -- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain.