Return-Path: Received: from quartz.orcorp.ca ([184.70.90.242]:36668 "EHLO quartz.orcorp.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752706AbbC0Rto (ORCPT ); Fri, 27 Mar 2015 13:49:44 -0400 Date: Fri, 27 Mar 2015 11:49:41 -0600 From: Jason Gunthorpe To: Yun Wang Cc: "ira.weiny" , Roland Dreier , Sean Hefty , Hal Rosenstock , "linux-rdma@vger.kernel.org" , linux-kernel , linux-nfs@vger.kernel.org, netdev@vger.kernel.org, "J. Bruce Fields" , Trond Myklebust , "David S. Miller" , Or Gerlitz , Moni Shoua , PJ Waskiewicz , Tatyana Nikolova , Yan Burman , Jack Morgenstein , Bart Van Assche , Yann Droneaud , Colin Ian King , Majd Dibbiny , Jiri Kosina , Matan Barak , Alex Estrin , Doug Ledford , Eric Dumazet , Erez Shitrit , Sagi Grimberg , Haggai Eran , Shachar Raindel , Mike Marciniszyn , Steve Wise , Tom Tucker , Chuck Lever Subject: Re: [RFC PATCH 07/11] IB/Verbs: Use management helper has_mcast() and, cap_mcast() for mcast-check Message-ID: <20150327174941.GC28901@obsidianresearch.com> References: <551579CA.4030901@profitbricks.com> <55157B71.6040505@profitbricks.com> <20150327162820.GC28412@obsidianresearch.com> <20150327170508.GB27862@phlsvsds.ph.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: Sender: linux-nfs-owner@vger.kernel.org List-ID: On Fri, Mar 27, 2015 at 06:31:26PM +0100, Yun Wang wrote: > Maybe we can temporarily reserve the old logical, and gradually solve > these problems? It is best to make behavioral changes in small patches, yes. I think it is best to address these sorts of problems before trying to tackle the driver interface side - that will avoid complexity. ie how does a driver set has_ipoib? It isn't even a sensible question when it is a per port capability. Jason