From mboxrd@z Thu Jan 1 00:00:00 1970 From: Weidong Han Subject: Re: [PATCH 4/4] Dom0: extend fpu_ctxt to consist with Xen hypervisor Date: Tue, 31 Aug 2010 20:54:48 +0800 Message-ID: <4C7CFB98.50507@intel.com> References: <1A42CE6F5F474C41B63392A5F80372B22A711ECC@shsmsx501.ccr.corp.intel.com> <201008311146.18895.Christoph.Egger@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <201008311146.18895.Christoph.Egger@amd.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: Christoph Egger Cc: "jeremy@goop.org" , "xen-devel@lists.xensource.com" , Keir Fraser List-Id: xen-devel@lists.xenproject.org Christoph Egger wrote: > On Tuesday 31 August 2010 05:00:02 Han, Weidong wrote: > >> fpu_ctxt must be consistent between Dom0 and Xen hypervisor. Otherwise, >> dom0 cannot boot up. >> >> Signed-off-by: Weidong Han >> > > How does this guarantee backward compatibility ? > > Christoph > > yes. it is not backward compatible. I will re-implement it. Regards, Weidong