From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3FE8FC433E0 for ; Wed, 27 May 2020 11:56:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 24BE3207CB for ; Wed, 27 May 2020 11:56:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729507AbgE0Lz7 (ORCPT ); Wed, 27 May 2020 07:55:59 -0400 Received: from Chamillionaire.breakpoint.cc ([193.142.43.52]:51116 "EHLO Chamillionaire.breakpoint.cc" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387857AbgE0Lzw (ORCPT ); Wed, 27 May 2020 07:55:52 -0400 Received: from fw by Chamillionaire.breakpoint.cc with local (Exim 4.92) (envelope-from ) id 1jduev-0006U9-E8; Wed, 27 May 2020 13:55:45 +0200 Date: Wed, 27 May 2020 13:55:45 +0200 From: Florian Westphal To: David Miller Cc: fw@strlen.de, netdev@vger.kernel.org, matthieu.baerts@tessares.net, mathew.j.martineau@linux.intel.com, pabeni@redhat.com Subject: Re: [PATCH v2 net-next 0/2] mptcp: adjust tcp rcvspace on rx Message-ID: <20200527115545.GH2915@breakpoint.cc> References: <20200525181508.13492-1-fw@strlen.de> <20200526.202812.2041217173134298145.davem@davemloft.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200526.202812.2041217173134298145.davem@davemloft.net> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org David Miller wrote: > From: Florian Westphal > Date: Mon, 25 May 2020 20:15:06 +0200 > > > These two patches improve mptcp throughput by making sure tcp grows > > the receive buffer when we move skbs from subflow socket to the > > mptcp socket. > > > > The second patch moves mptcp receive buffer increase to the recvmsg > > path, i.e. we only change its size when userspace processes/consumes > > the data. This is done by using the largest rcvbuf size of the active > > subflows. > > What's the follow-up wrt. Christoph's feedback on patch #2? Please drop these patches, I have no idea (yet?) how to address it.