From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeremy Fitzhardinge Subject: Re: Unplugging a dom0 vcpu and domain destruction Date: Fri, 20 Feb 2009 12:02:58 -0800 Message-ID: <499F0C72.2030700@goop.org> References: <499EF347.4040300@goop.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: George Dunlap Cc: "xen-devel@lists.xensource.com" , Keir Fraser List-Id: xen-devel@lists.xenproject.org George Dunlap wrote: > The last reference to the domain pages went away when d0v1 wrote to > one of its own l1e's. So one of dom0's l1's still contained a > reference to those pages. The curious bit is why they weren't > unmapped immediately if d0v1 wasn't online, and why they were unmapped > immediately when d0v1 came back online. > Yes, that doesn't make much sense to me. Pagetable mappings aren't vcpu-dependent. J