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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7EAC3C4167D for ; Mon, 7 Feb 2022 09:54:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241855AbiBGJwx (ORCPT ); Mon, 7 Feb 2022 04:52:53 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38408 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349688AbiBGJut (ORCPT ); Mon, 7 Feb 2022 04:50:49 -0500 Received: from out30-44.freemail.mail.aliyun.com (out30-44.freemail.mail.aliyun.com [115.124.30.44]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D9D97C043181; Mon, 7 Feb 2022 01:50:47 -0800 (PST) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R431e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04357;MF=alibuda@linux.alibaba.com;NM=1;PH=DS;RN=7;SR=0;TI=SMTPD_---0V3p8NYi_1644227444; Received: from 30.225.28.47(mailfrom:alibuda@linux.alibaba.com fp:SMTPD_---0V3p8NYi_1644227444) by smtp.aliyun-inc.com(127.0.0.1); Mon, 07 Feb 2022 17:50:45 +0800 Message-ID: Date: Mon, 7 Feb 2022 17:50:44 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 From: "D. Wythe" Subject: Re: [PATCH net-next v4 3/3] net/smc: Fallback when handshake workqueue congested To: Karsten Graul Cc: kuba@kernel.org, davem@davemloft.net, netdev@vger.kernel.org, linux-s390@vger.kernel.org, linux-rdma@vger.kernel.org, Tony Lu References: <6deeca64bfecbd01d724092a1a2c91ca8bce3ce0.1644214112.git.alibuda@linux.alibaba.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-s390@vger.kernel.org The main communication in v2 series is about adding a dynamic control for auto fallback to TCP. I will soon add a new patch to implements this in v5 series, or modify it in curret patch. Which one do you recommend? Look forward to your suggestions. Thanks. 在 2022/2/7 下午3:56, Karsten Graul 写道: > On 07/02/2022 07:24, D. Wythe wrote: >> From: "D. Wythe" >> >> This patch intends to provide a mechanism to allow automatic fallback to >> TCP according to the pressure of SMC handshake process. At present, >> frequent visits will cause the incoming connections to be backlogged in >> SMC handshake queue, raise the connections established time. Which is >> quite unacceptable for those applications who base on short lived >> connections. > > I hope I didn't miss any news, but with your latest reply to the v2 series you > questioned the config option in this v4 patch, so this is still work in progress, right?