From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: rdma-core 12 breaks libibverbs ABI Date: Tue, 31 Jan 2017 12:37:58 -0800 Message-ID: <20170131203758.GB32458@infradead.org> References: <20170126171325.GA16562@obsidianresearch.com> <20170126173548.GA15006@infradead.org> <20170126180926.GB20330@obsidianresearch.com> <20170126181113.GA8679@infradead.org> <20170126202330.GX6005@mtr-leonro.local> <1828884A29C6694DAF28B7E6B8A82373AB0E15AD@ORSMSX109.amr.corp.intel.com> <20170127010452.GA7826@obsidianresearch.com> <1828884A29C6694DAF28B7E6B8A82373AB0E1609@ORSMSX109.amr.corp.intel.com> <41e74ed7-fd8d-89cf-2c79-b99a8d786fac@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: "Coulter, Susan K" Cc: Doug Ledford , "Hefty, Sean" , Jason Gunthorpe , Leon Romanovsky , Christoph Hellwig , Benjamin Drung , "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "Weiny, Ira" List-Id: linux-rdma@vger.kernel.org On Tue, Jan 31, 2017 at 06:37:58PM +0000, Coulter, Susan K wrote: > This is happening now - not in the future. > LANL and other DOE labs already have OPA and IB/mlnx on the same host. And have setups with up to three different providers :) But the whole point is that the new rdma-core setup gives us a sane way to handle this: patch your rdma-core tree with whatever vendor updates you need, same as the kernel. The current model where vendors supply a new libibverbs that has all kinds of incompatible hacks is simply not sustainable. -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html