From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeremy Fitzhardinge Subject: Re: [Xen-devel] [PATCH RFC 1/3] virtio infrastructure Date: Mon, 04 Jun 2007 14:19:41 -0700 Message-ID: <466481ED.8050209@goop.org> References: <1180613947.11133.58.camel@localhost.localdomain> <08CA2245AFCF444DB3AC415E47CC40AFBD2CCF@G3W0072.americas.hpqcorp.net> <1180779167.9228.66.camel@localhost.localdomain> <08CA2245AFCF444DB3AC415E47CC40AFBD2FD4@G3W0072.americas.hpqcorp.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: Jimi Xenidis , Stephen Rothwell , Xen Mailing List , jmk-zzFmDc4TPjtKvsKVC3L/VUEOCMrvLtNR@public.gmane.org, Herbert Xu , kvm-devel , virtualization , Christian Borntraeger , Suzanne McIntosh , Martin Schwidefsky To: "Santos, Jose Renato G" Return-path: In-Reply-To: <08CA2245AFCF444DB3AC415E47CC40AFBD2FD4-VylnnfFjWmASZAcGdq5asR6epYMZPwEe5NbjCUgZEJk@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org Santos, Jose Renato G wrote: > It seems that we will still need specific devices drivers > for each different virtualization flavor. For example, > we will still need to have a specific Xen netfront > device that talks to a backend device in dom0, using > page grants, and other Xen specific mechanisms. > It looks like will still need to maintain all the virtual device > drivers and in addition we will now have to maintain > another virtualization layer. > The hope is that the Xen-specific elements of the driver will be restricted to Xen-specific things like grant tables, and the bulk of the driver and its logic can be common. Whether that can be achieved and still retain the full performance/features of the entirely Xen-specific netfront driver remains to be seen. I haven't had a chance to look at doing any Xen-virtio glue yet, so I'm not really sure how it will work out. J ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/