Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762229AbXHTRRU (ORCPT ); Mon, 20 Aug 2007 13:17:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760777AbXHTRRF (ORCPT ); Mon, 20 Aug 2007 13:17:05 -0400 Received: from ns1.suse.de ([195.135.220.2]:35066 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760310AbXHTRRD (ORCPT ); Mon, 20 Aug 2007 13:17:03 -0400 To: "Felix Marti" Cc: "Evgeniy Polyakov" , jeff@garzik.org, netdev@vger.kernel.org, rdreier@cisco.com, linux-kernel@vger.kernel.org, general@lists.openfabrics.org, David Miller Subject: Re: [ofa-general] Re: [PATCH RFC] RDMA/CMA: Allocate PS_TCPportsfrom the host TCP port space. References: <20070819.174017.77241227.davem@davemloft.net> <8A71B368A89016469F72CD08050AD334018E20BE@maui.asicdesigners.com> <20070820094317.GA14817@2ka.mipt.ru> <8A71B368A89016469F72CD08050AD334018E2115@maui.asicdesigners.com> From: Andi Kleen Date: 20 Aug 2007 20:10:56 +0200 In-Reply-To: <8A71B368A89016469F72CD08050AD334018E2115@maui.asicdesigners.com> Message-ID: User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1060 Lines: 24 "Felix Marti" writes: > What I was referring to is that TSO(/LRO) have their own > issues, some eluded to by Roland and me. In fact, customers working on > the LSR couldn't use TSO due to the burstiness it introduces That was in old kernels where TSO didn't honor the initial cwnd correctly, right? I assume it's long fixed. If not please clarify what the problem was. > have a look at graphics. > Graphics used to be done by the host CPU and now we have dedicated > graphics adapters that do a much better job... Is your off load device as programable as a modern GPU? > farfetched that offload devices can do a better job at a data-flow > problem? One big difference is that there is no potentially adverse and always varying internet between the graphics card and your monitor. -Andi - 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/