From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1N642V-00051B-7T for qemu-devel@nongnu.org; Thu, 05 Nov 2009 10:14:19 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1N642Q-0004yW-F8 for qemu-devel@nongnu.org; Thu, 05 Nov 2009 10:14:18 -0500 Received: from [199.232.76.173] (port=48551 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1N642Q-0004y4-9g for qemu-devel@nongnu.org; Thu, 05 Nov 2009 10:14:14 -0500 Received: from mx1.redhat.com ([209.132.183.28]:13281) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1N642M-00056L-Lo for qemu-devel@nongnu.org; Thu, 05 Nov 2009 10:14:11 -0500 Date: Thu, 5 Nov 2009 15:14:00 +0000 From: "Daniel P. Berrange" Subject: Re: [Qemu-devel] Re: [PATCH 0/4] net-bridge: rootless bridge support for qemu Message-ID: <20091105151400.GG689@redhat.com> References: <1257294485-27015-1-git-send-email-aliguori@us.ibm.com> <1257433205.2885.25.camel@blaa> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1257433205.2885.25.camel@blaa> Reply-To: "Daniel P. Berrange" List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Mark McLoughlin Cc: Anthony Liguori , Arnd Bergmann , Michael Tsirkin , Dustin Kirkland , qemu-devel@nongnu.org, Juan Quintela On Thu, Nov 05, 2009 at 10:00:05AM -0500, Mark McLoughlin wrote: > On Tue, 2009-11-03 at 18:28 -0600, Anthony Liguori wrote: > > We address this problem by introducing a new network backend: -net bridge. This > > backend is less flexible than -net tap because it relies on a helper with > > elevated privileges to do the heavy lifting of allocating and attaching a tap > > device to a bridge. We use a special purpose helper because we don't want > > to elevate the privileges of more generic tools like brctl. > > Just had a quick look through so far, but I like it. > > I think it would make sense to move Fedora and libvirt to using this, > even for the system libvirtd. Yes, if this functionality is present in QEMU, there's no reason we shouldn't use it all the time. The other nice thing about this is that people will be able to take the command line generated by libvirt and run it directly for troubleshooting, since it will no longer rely on magic TAP file handles to be passed Daniel -- |: Red Hat, Engineering, London -o- http://people.redhat.com/berrange/ :| |: http://libvirt.org -o- http://virt-manager.org -o- http://ovirt.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: GnuPG: 7D3B9505 -o- F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 :|