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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 698BBC33CB2 for ; Wed, 29 Jan 2020 12:10:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3FB6920716 for ; Wed, 29 Jan 2020 12:10:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726322AbgA2MKA (ORCPT ); Wed, 29 Jan 2020 07:10:00 -0500 Received: from shards.monkeyblade.net ([23.128.96.9]:60130 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726177AbgA2MKA (ORCPT ); Wed, 29 Jan 2020 07:10:00 -0500 Received: from localhost (unknown [IPv6:2001:982:756:1:57a7:3bfd:5e85:defb]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 99DAE14B79E35; Wed, 29 Jan 2020 04:09:57 -0800 (PST) Date: Wed, 29 Jan 2020 13:09:54 +0100 (CET) Message-Id: <20200129.130954.13079744457854627.davem@davemloft.net> To: olteanv@gmail.com Cc: vinicius.gomes@intel.com, netdev@vger.kernel.org, jhs@mojatatu.com, xiyou.wangcong@gmail.com, jiri@resnulli.us, vladimir.oltean@nxp.com, po.liu@nxp.com Subject: Re: [PATCH net v2 2/3] taprio: Allow users not to specify "flags" when changing schedules From: David Miller In-Reply-To: References: <20200128235227.3942256-3-vinicius.gomes@intel.com> <20200129.111245.1611718557356636170.davem@davemloft.net> X-Mailer: Mew version 6.8 on Emacs 26.3 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Wed, 29 Jan 2020 04:09:59 -0800 (PST) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Vladimir Oltean Date: Wed, 29 Jan 2020 13:24:30 +0200 > At some point, the 5.3 kernel will go EOL. When would be a good time > to make the "flags" optional on "tc qdisc replace", without concerns > about different behavior across versions? 5.3, and 5.4, and... and how long do distros ship that kernel? This is why it is absolutely critical to flesh out all public facing interface concerns before the feature is merged into the tree rather than later.