From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wendy Cheng Subject: Re: Proposal for simplifying NFS/RDMA client memory registration Date: Mon, 3 Mar 2014 12:33:39 -0800 Message-ID: References: <01C4496A-F074-4F72-9DF0-6076C05E8A1F@oracle.com> <20140303190733.GA4556@infradead.org> <79E85B7D-5ECC-4A63-BB07-C45A570DA53D@emc.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Return-path: In-Reply-To: <79E85B7D-5ECC-4A63-BB07-C45A570DA53D-mb1K0bWo544@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: "faibish, sorin" Cc: Christoph Hellwig , Chuck Lever , "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Linux NFS Mailing List , Shirley Ma , wendy.cheng-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org List-Id: linux-rdma@vger.kernel.org On Mon, Mar 3, 2014 at 11:54 AM, faibish, sorin wrote: > > > On Mar 3, 2014, at 7:09 PM, "Christoph Hellwig" wrote: > > > >> On Mon, Mar 03, 2014 at 12:02:33PM -0500, Chuck Lever wrote: > >> All HCAs in 3.13 (and rxe) can support either MTHCA_FMR or FRMR or both. Wendy?s HCA supports only ALLPHYSICAL. > > > > Is Wendy planning to submit her HCA driver ASAP? If not there's not > > reason to keep ALLPHYSICAL either. > I second Christoph. Legacy is good as long as there are users of Linux with the legacy server. I would say that the only reason to keep it is if Linux server will support it. Same we apply to Lustre client in kernel. > > ./Sorin > > > > >> Does it make sense to deprecate then remove the registration modes in the first list? > > > > Yes. > > > After discussing this with my manager, we'll let it go for now ... will re-submit the full patch set in the future when we finalize the plan. Thanks, Wendy -- 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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: linux-nfs-owner@vger.kernel.org Received: from mail-ie0-f172.google.com ([209.85.223.172]:61865 "EHLO mail-ie0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752487AbaCCUdk (ORCPT ); Mon, 3 Mar 2014 15:33:40 -0500 MIME-Version: 1.0 In-Reply-To: <79E85B7D-5ECC-4A63-BB07-C45A570DA53D@emc.com> References: <01C4496A-F074-4F72-9DF0-6076C05E8A1F@oracle.com> <20140303190733.GA4556@infradead.org> <79E85B7D-5ECC-4A63-BB07-C45A570DA53D@emc.com> Date: Mon, 3 Mar 2014 12:33:39 -0800 Message-ID: Subject: Re: Proposal for simplifying NFS/RDMA client memory registration From: Wendy Cheng To: "faibish, sorin" Cc: Christoph Hellwig , Chuck Lever , "linux-rdma@vger.kernel.org" , Linux NFS Mailing List , Shirley Ma , wendy.cheng@intel.com Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-nfs-owner@vger.kernel.org List-ID: On Mon, Mar 3, 2014 at 11:54 AM, faibish, sorin wrote: > > > On Mar 3, 2014, at 7:09 PM, "Christoph Hellwig" wrote: > > > >> On Mon, Mar 03, 2014 at 12:02:33PM -0500, Chuck Lever wrote: > >> All HCAs in 3.13 (and rxe) can support either MTHCA_FMR or FRMR or both. Wendy?s HCA supports only ALLPHYSICAL. > > > > Is Wendy planning to submit her HCA driver ASAP? If not there's not > > reason to keep ALLPHYSICAL either. > I second Christoph. Legacy is good as long as there are users of Linux with the legacy server. I would say that the only reason to keep it is if Linux server will support it. Same we apply to Lustre client in kernel. > > ./Sorin > > > > >> Does it make sense to deprecate then remove the registration modes in the first list? > > > > Yes. > > > After discussing this with my manager, we'll let it go for now ... will re-submit the full patch set in the future when we finalize the plan. Thanks, Wendy