Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751137AbWCJQFB (ORCPT ); Fri, 10 Mar 2006 11:05:01 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751200AbWCJQFB (ORCPT ); Fri, 10 Mar 2006 11:05:01 -0500 Received: from mx.pathscale.com ([64.160.42.68]:22737 "EHLO mx.pathscale.com") by vger.kernel.org with ESMTP id S1751137AbWCJQFB (ORCPT ); Fri, 10 Mar 2006 11:05:01 -0500 Subject: Re: [PATCH 9 of 20] ipath - char devices for diagnostics and lightweight subnet management From: "Bryan O'Sullivan" To: "Michael S. Tsirkin" Cc: Roland Dreier , akpm@osdl.org, gregkh@suse.de, linux-kernel@vger.kernel.org, openib-general@openib.org, davem@davemloft.net In-Reply-To: <20060310155434.GB12778@mellanox.co.il> References: <1141947581.10693.45.camel@serpentine.pathscale.com> <20060310155434.GB12778@mellanox.co.il> Content-Type: text/plain Organization: PathScale, Inc. Date: Fri, 10 Mar 2006 08:05:00 -0800 Message-Id: <1142006700.29925.17.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: 831 Lines: 23 On Fri, 2006-03-10 at 17:54 +0200, Michael S. Tsirkin wrote: > > * OpenSM wasn't usable when we wrote our SMA. We have customers > > using ours now, so we have to support it. > > Presumably you mean the ib_mad SMA - OpenSM is not an SMA. Yes, I already mentioned that I got my terms swapped in another message. > So what do customers care which SMA > implementation is used, as long as it formats the management packets > correctly? Many, perhaps most right now, of our customers don't have a full IB stack loaded. That's why we have this small userspace SMA.