Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030340AbXHPC1Y (ORCPT ); Wed, 15 Aug 2007 22:27:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1765802AbXHPC1G (ORCPT ); Wed, 15 Aug 2007 22:27:06 -0400 Received: from srv5.dvmed.net ([207.36.208.214]:48673 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1765691AbXHPC1F (ORCPT ); Wed, 15 Aug 2007 22:27:05 -0400 Message-ID: <46C3B5EF.5060409@garzik.org> Date: Wed, 15 Aug 2007 22:26:55 -0400 From: Jeff Garzik User-Agent: Thunderbird 1.5.0.12 (X11/20070719) MIME-Version: 1.0 To: Steve Wise CC: David Miller , mshefty@ichips.intel.com, rdreier@cisco.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, general@lists.openfabrics.org Subject: Re: [ofa-general] Re: [PATCH RFC] RDMA/CMA: Allocate PS_TCP ports from the host TCP port space. References: <46B883B5.8040702@opengridcomputing.com> <46BB61D0.4090101@opengridcomputing.com> <46BB89C0.4040303@ichips.intel.com> <20070809.145534.102938208.davem@davemloft.net> <46C310E1.7020503@opengridcomputing.com> In-Reply-To: <46C310E1.7020503@opengridcomputing.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: -4.3 (----) X-Spam-Report: SpamAssassin version 3.1.9 on srv5.dvmed.net summary: Content analysis details: (-4.3 points, 5.0 required) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1615 Lines: 47 Steve Wise wrote: > > > David Miller wrote: >> From: Sean Hefty >> Date: Thu, 09 Aug 2007 14:40:16 -0700 >> >>> Steve Wise wrote: >>>> Any more comments? >>> Does anyone have ideas on how to reserve the port space without using >>> a struct socket? >> >> How about we just remove the RDMA stack altogether? I am not at all >> kidding. If you guys can't stay in your sand box and need to cause >> problems for the normal network stack, it's unacceptable. We were >> told all along the if RDMA went into the tree none of this kind of >> stuff would be an issue. > > I think removing the RDMA stack is the wrong thing to do, and you > shouldn't just threaten to yank entire subsystems because you don't like > the technology. Lets keep this constructive, can we? RDMA should get > the respect of any other technology in Linux. Maybe its a niche in your > opinion, but come on, there's more RDMA users than say, the sparc64 > port. Eh? It's not about being a niche. It's about creating a maintainable software net stack that has predictable behavior. Needing to reach out of the RDMA sandbox and reserve net stack resources away from itself travels a path we've consistently avoided. >> I will NACK any patch that opens up sockets to eat up ports or >> anything stupid like that. > > Got it. Ditto for me as well. Jeff - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/