From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keir Fraser Subject: Re: [PATCH] nestedhvm: ASID emulation Date: Fri, 15 Apr 2011 10:24:09 +0100 Message-ID: References: <4DA80B26.7060700@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4DA80B26.7060700@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 , Keir Fraser Cc: "xen-devel@lists.xensource.com" List-Id: xen-devel@lists.xenproject.org On 15/04/2011 10:08, "Christoph Egger" wrote: >> You didn't notice my subtle error in switching n1 and n2 asid selection in >> svm_asid_handle_vmrun()? ;-) > > Oh, now that you mention it... Yeah, I fixed it before I checked it in (xen-unstable:23229). > A l2 smp guest actually boots up. Maybe I need to use more vcpus than I > have physical cpus to hit that bug. I think it would have been a source of very subtle quite hard-to-repro bugs. Not something you'd pick up in a simple does-it-boot smoke test. So a pretty nasty bug all round! -- Keir