From mboxrd@z Thu Jan 1 00:00:00 1970 From: Samuel Thibault Subject: Re: PV guest + shadow paging Date: Mon, 22 Oct 2007 13:01:13 +0100 Message-ID: <20071022120113.GA3832@implementation.uk.xensource.com> References: <20070728115823.HM.0000000000000PK@levin.johnson.bos-mail-wwl24.lycos.com> <8A87A9A84C201449A0C56B728ACF491E2600F1@liverpoolst.ad.cl.cam.ac.uk> <1185777299.4314.25.camel@cthulhu.hellion.org.uk> <20070730081523.GA24708@york.uk.xensource.com> <471C82FA.7040104@ncic.ac.cn> <20071022112048.GC23658@york.uk.xensource.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Return-path: Content-Disposition: inline In-Reply-To: <20071022112048.GC23658@york.uk.xensource.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Tim Deegan Cc: Ian Campbell , Ian Pratt , Levin Johnson , xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org Hi, Tim Deegan, le Mon 22 Oct 2007 12:20:48 +0100, a =E9crit : > At 19:01 +0800 on 22 Oct (1193079674), tgh wrote: > > what is the auto_translated_physmap ? >=20 > A shadow pagetable mode where Xen does the translation between > guest-physical and machine-physical addresses for PV guests. Normally > PV guests do that translation themselves, because it's faster, and Xen > does it for HVM guests because they can't do it themseves. It can be useful too for PV guests that don't (want to) support PAE. Samuel