Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753238AbaBQRwv (ORCPT ); Mon, 17 Feb 2014 12:52:51 -0500 Received: from smtp02.citrix.com ([66.165.176.63]:52433 "EHLO SMTP02.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750958AbaBQRwu (ORCPT ); Mon, 17 Feb 2014 12:52:50 -0500 X-IronPort-AV: E=Sophos;i="4.95,862,1384300800"; d="scan'208";a="101498693" Message-ID: <53024C58.4010900@citrix.com> Date: Mon, 17 Feb 2014 17:52:24 +0000 From: Zoltan Kiss User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: "Luis R. Rodriguez" , CC: , "Luis R. Rodriguez" , , , Stephen Hemminger , Subject: Re: [Xen-devel] [RFC v2 1/4] bridge: enable interfaces to opt out from becoming the root bridge References: <1392433180-16052-1-git-send-email-mcgrof@do-not-panic.com> <1392433180-16052-2-git-send-email-mcgrof@do-not-panic.com> In-Reply-To: <1392433180-16052-2-git-send-email-mcgrof@do-not-panic.com> Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.80.2.133] X-DLP: MIA2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 15/02/14 02:59, Luis R. Rodriguez wrote: > From: "Luis R. Rodriguez" > > It doesn't make sense for some interfaces to become a root bridge > at any point in time. One example is virtual backend interfaces > which rely on other entities on the bridge for actual physical > connectivity. They only provide virtual access. It is possible that a guest bridge together to VIF, either from the same Dom0 bridge or from different ones. In that case using STP on VIFs sound sensible to me. Zoli -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/