From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752994AbcAGUGK (ORCPT ); Thu, 7 Jan 2016 15:06:10 -0500 Received: from mail-yk0-f177.google.com ([209.85.160.177]:35415 "EHLO mail-yk0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750768AbcAGUGH (ORCPT ); Thu, 7 Jan 2016 15:06:07 -0500 Date: Thu, 7 Jan 2016 15:06:04 -0500 From: Tejun Heo To: Parav Pandit Cc: cgroups@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, lizefan@huawei.com, Johannes Weiner , Doug Ledford , Liran Liss , "Hefty, Sean" , Jason Gunthorpe , Haggai Eran , Jonathan Corbet , james.l.morris@oracle.com, serge@hallyn.com, Or Gerlitz , Matan Barak , raindel@mellanox.com, akpm@linux-foundation.org, linux-security-module@vger.kernel.org Subject: Re: [PATCHv1 0/6] rdma controller support Message-ID: <20160107200604.GE1898@mtj.duckdns.org> References: <1452020286-9508-1-git-send-email-pandit.parav@gmail.com> <20160105215623.GH5995@mtj.duckdns.org> <20160107150718.GC29797@mtj.duckdns.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, On Fri, Jan 08, 2016 at 01:31:06AM +0530, Parav Pandit wrote: > > What I was > > trying to say was that unless the number is extremely high, it'd be > > far simpler to hard code them in the rdma controller and let drivers > > enable the ones which apply to them. > > Instead of in rdma controller, its hard coded in IB stack. > I see this as an advantage where resource definition ownership remains > with IB stack maintainers, rather than rdma cgroup maintainer. > rdma cgroup maintainer doesn't have to understand what SRQ vs QP or > ODP type MR or multicast group is. > IB stack maintainer is better placed to judge and define it. > > I would like to hear from Jason, Doug, Liran and other RDMA experts > about their thoughts. That's fine. Make it a header file in IB stack which is included from the rdma cgroup controller. The only things are not building a huge dynamic framework for something which can easily be a simple static thing and having some oversight in adding resource types. Thanks. -- tejun