From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jacob Gorm Hansen Subject: Re: Mapping pages from dom0 Date: Thu, 03 Feb 2005 16:42:27 -0800 Message-ID: <4202C4F3.7040100@diku.dk> References: <4202B501.4030401@diku.dk> <200502040004.36488.maw48@cl.cam.ac.uk> <4202C2B5.2090605@diku.dk> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit In-Reply-To: <4202C2B5.2090605@diku.dk> Sender: xen-devel-admin@lists.sourceforge.net Errors-To: xen-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Jacob Gorm Hansen Cc: Mark Williamson , xen-devel@lists.sourceforge.net List-Id: xen-devel@lists.xenproject.org Jacob Gorm Hansen wrote: > Mark Williamson wrote: > >>> I am mapping some pages in a domU from dom0 userspace. Doing that once I >>> know the page numbers is fairly trivial, but what is the recommended way >>> of communicating one or more page numbers from domU to dom0, hopefully >>> without having to modify xend? >> >> >> >> Hrrrm. There was talk of a simple generic control message that could >> be used for this sort of thing but I'm not sure if it's been implemented. > > > Sad. I tried sticking this at the last four bytes of the shared_info > page, but apparently that one gets cleared every now and then :-( Anyway, for now I guess I can just extend the shared_info_t struct and things should work, but in the longer run it might be nice to have some kind of simple mechanism for doing this stuff. Jacob ------------------------------------------------------- This SF.Net email is sponsored by: IntelliVIEW -- Interactive Reporting Tool for open source databases. Create drag-&-drop reports. Save time by over 75%! Publish reports on the web. Export to DOC, XLS, RTF, etc. Download a FREE copy at http://www.intelliview.com/go/osdn_nl