Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932074AbWAEPbU (ORCPT ); Thu, 5 Jan 2006 10:31:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932073AbWAEPbU (ORCPT ); Thu, 5 Jan 2006 10:31:20 -0500 Received: from mx.pathscale.com ([64.160.42.68]:37834 "EHLO mx.pathscale.com") by vger.kernel.org with ESMTP id S932074AbWAEPbT (ORCPT ); Thu, 5 Jan 2006 10:31:19 -0500 Subject: Re: [openib-general] Re: [PATCH 0 of 20] [RFC] ipath - PathScale InfiniPath driver From: "Bryan O'Sullivan" To: Roland Dreier Cc: Greg KH , linux-kernel@vger.kernel.org, openib-general@openib.org In-Reply-To: References: <20051230080002.GA7438@kroah.com> <1135984304.13318.50.camel@serpentine.pathscale.com> <20051231001051.GB20314@kroah.com> <1135993250.13318.94.camel@serpentine.pathscale.com> <20060103172732.GA9170@kroah.com> <1136321691.10862.61.camel@localhost.localdomain> Content-Type: text/plain Organization: PathScale, Inc. Date: Thu, 05 Jan 2006 07:31:18 -0800 Message-Id: <1136475079.31922.18.camel@serpentine.pathscale.com> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 (2.2.3-2.fc4) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 777 Lines: 22 On Wed, 2006-01-04 at 13:28 -0800, Roland Dreier wrote: > Isn't there some way you can use the same SMA (subnet management > agent) interface in all the cases? I'll look into it, but I rather doubt it. > Can ipath_mad.c just go away in > favor of your userspace SMA? Our userspace SMA is a tiny shrivelled thing that expects there to be a real subnet manager out there, so it only needs a very simple interface, and it's decoupled from OpenIB entirely. ipath_mad.c is part of our OpenIB layer, so it can't really go away.