From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1My4Vt-0002HT-RM for qemu-devel@nongnu.org; Wed, 14 Oct 2009 10:07:37 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1My4Vm-0002F4-VJ for qemu-devel@nongnu.org; Wed, 14 Oct 2009 10:07:36 -0400 Received: from [199.232.76.173] (port=57051 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1My4Vl-0002El-Kh for qemu-devel@nongnu.org; Wed, 14 Oct 2009 10:07:30 -0400 Received: from mx1.redhat.com ([209.132.183.28]:41362) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1My4Vl-000780-5I for qemu-devel@nongnu.org; Wed, 14 Oct 2009 10:07:29 -0400 Date: Wed, 14 Oct 2009 16:04:56 +0200 From: "Michael S. Tsirkin" Subject: Re: [Qemu-devel] Release plan for 0.12.0 Message-ID: <20091014140456.GB29515@redhat.com> References: <4AC29E4D.80707@us.ibm.com> <200910081555.40897.jens@linux.vnet.ibm.com> <4ACDF550.1020502@codemonkey.ws> <200910141509.28325.arnd@arndb.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200910141509.28325.arnd@arndb.de> List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Arnd Bergmann Cc: Anthony Liguori , kvm-devel , qemu-devel@nongnu.org, Or Gerlitz , Paul Brook , Jens Osterkamp On Wed, Oct 14, 2009 at 03:09:28PM +0200, Arnd Bergmann wrote: > On Thursday 08 October 2009, Anthony Liguori wrote: > > Jens Osterkamp wrote: > > > On Wednesday 30 September 2009, Anthony Liguori wrote: > > > > > >> Please add to this list and I'll collect it all and post it somewhere. > > >> > > > > > > What about Or Gerlitz' raw backend driver ? I did not see it go in yet, or did > > > I miss something ? > > > > > > > The patch seems to have not been updated after the initial posting and > > the first feedback cycle. > > > > I'm generally inclined to oppose the functionality as I don't think it > > offers any advantages over the existing backends. > > There are two reasons why I think this backend is important: > > - As an easy way to provide isolation between guests (private ethernet > port aggregator, PEPA) and external enforcement of network priviledges > (virtual ethernet port aggregator, VEPA) using the macvlan subsystem. > > - As a counterpart to the vhost_net driver, providing an identical > user interface with or without vhost_net acceleration in the kernel. > > Arnd <>< I think raw sockets also support RX mac/vlan filtering in kernel, which might be faster than doing it in virtio in userspace as it's done now. -- MST