From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeremy Fitzhardinge Subject: Re: One question to IST stack for PV guest Date: Fri, 18 Dec 2009 14:26:27 -0800 Message-ID: <4B2C0193.9040407@goop.org> References: <4B2BF269.5040608@goop.org> <2E9E6F5F5978EF44A8590E339E888CF90163515DCF@irsmsx503.ger.corp.intel.com> <4B2BF93D.6090807@goop.org> <2E9E6F5F5978EF44A8590E339E888CF90163515DD2@irsmsx503.ger.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <2E9E6F5F5978EF44A8590E339E888CF90163515DD2@irsmsx503.ger.corp.intel.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: "Kleen, Andi" Cc: "xen-devel@lists.xensource.com" , "Jiang, Yunhong" , Keir Fraser , Jan Beulich List-Id: xen-devel@lists.xenproject.org On 12/18/2009 02:07 PM, Kleen, Andi wrote: > >>> Both can happen (and also some more like "something happened >>> >> somewhere, Just FYI"). >> >>> They are all distingushed by different status bits. >>> >>> >> If they're not synchronous, then why not use a normal virq >> event channel? >> > As I wrote some classes of MCEs are "synchronous" > Are they things a guest domain can do anything useful with? Or should Xen just handle them internally (and then perhaps tell dom0 about it later if it makes sense)? J