From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gavin Maltby Subject: Re: Re: [RFC] RAS(Part II)--MCA enalbing in XEN Date: Thu, 26 Feb 2009 09:30:32 +1100 Message-ID: <49A5C688.1070001@sun.com> References: <49A45CF0.6080807@Sun.COM> <200902251319.29299.Christoph.Egger@amd.com> Mime-Version: 1.0 Content-Type: text/plain; format=flowed; charset=ISO-8859-1 Content-Transfer-Encoding: 7BIT Return-path: In-reply-to: <200902251319.29299.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: "xen-devel@lists.xensource.com" , "Jiang, Yunhong" , "Ke, Liping" , "Frank.Vanderlinden@Sun.COM" , Keir Fraser , "Kleen, Andi" List-Id: xen-devel@lists.xenproject.org Christoph Egger wrote: > Mostly. Regarding 2) I want like to discuss first how to handle errors > impacting multiple contiguous physical pages which are non-contigous > in guest physical space. I can't think of any such error types. ECC checkwords don't span page boundaries, so you only ever get an error at a time affecting one small part of one page. That physically adjacent pages have both had errors would come our in the wash, but they'd be processed and recognised individually. Gavin