From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeremy Fitzhardinge Subject: Re: Linux pvops ballooning pv only? Date: Tue, 15 Jun 2010 22:49:14 +0100 Message-ID: <4C17F55A.2060306@goop.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 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: Dan Magenheimer Cc: "Xen-Devel (xen-devel@lists.xensource.com)" List-Id: xen-devel@lists.xenproject.org On 06/14/2010 06:12 PM, Dan Magenheimer wrote: > I was just looking at the Linux upstream balloon driver > and noticed that balloon_init fails if !xen_pv_domain(). > Why does ballooning not work for an HVM domain? Is > ballooning just missing or untested functionality for > HVM, or is there a good technical reason why it won't work? > I think its just there to prevent balloon from activating on native. I suspect the test could be xen_domain(), but it may need other changes to handle the details of adding/removing pages... J