From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: Re: [PATCH 06/12] xen: mark grant mapped pages as foreign Date: Fri, 9 Jan 2015 16:47:20 +0000 Message-ID: <1420822040.21186.45.camel@citrix.com> References: <1420570657-8203-1-git-send-email-david.vrabel@citrix.com> <1420570657-8203-7-git-send-email-david.vrabel@citrix.com> <1420820376.21186.39.camel@citrix.com> <54B0043A.1030805@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Y9ckv-0002Vg-9T for xen-devel@lists.xenproject.org; Fri, 09 Jan 2015 16:49:49 +0000 In-Reply-To: <54B0043A.1030805@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: David Vrabel Cc: xen-devel@lists.xenproject.org, Jenny Herbert , Jenny Herbert , Boris Ostrovsky , Stefano Stabellini List-Id: xen-devel@lists.xenproject.org On Fri, 2015-01-09 at 16:39 +0000, David Vrabel wrote: > > ... or stubbed out for arches which don't need this (which might include > > arm*?). > > I'm reasonably certain that this is required for HVM and ARM guests as > well. The grant copy will still fail to get the page by gfn since the > mfn is owned by a different domain. Yes, I'd somehow convinced myself this snippet was to do with the m2p_override aspect of the series, which it's not. Ian.