From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anthony Liguori Subject: Re: [RFC] XI Shadow Page Table Mechanism Date: Wed, 21 Jun 2006 13:47:21 -0500 Message-ID: <44999439.6020304@us.ibm.com> References: <44998B2C.2000109@virtualiron.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <44998B2C.2000109@virtualiron.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: Ben Thomas Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org Where can we look at the code? Regards, Anthony Liguori Ben Thomas wrote: > This post contains the design document for what is currently known > as the "XI Shadow Mechanism". This is a design for shadow > page table code for fully virtualized HVM domains running on a 64-bit > Xen hypervisor. > > This work was undertaken to address a number of goals. These are > enumerated in the document and include: > > - ability to run fully virtualized 32, 32PAE and 64 bit guest > domains concurrently on a 64-bit hypervisor > > - support live migration of fully virtualized domains > > - provide good performance and robustness > > This design has been implemented and is currently being tested. > It has been supporting the variety of memory models as noted above, > and using widely used Windows and Linux distributions (SuSe, > RedHat and others). At a point in the near future, a patch > will be available. > > This design center is the x86-64 architecture. It is not our > intent to completely replace all shadow page management, and > we've attempted to limit the scope of change. > > A preliminary version of this design concept has undergone > brief review with some members of the Xen community. We hope > that this is of value to the Xen community and welcome your > feedback and comments. > > Thanks, > -b > > ------------------------------------------------------------------------ > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xensource.com > http://lists.xensource.com/xen-devel