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=-3.8 required=3.0 tests=BAYES_00, 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 51D6AC433DB for ; Wed, 10 Feb 2021 19:03:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1487864E3B for ; Wed, 10 Feb 2021 19:03:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232178AbhBJTDA (ORCPT ); Wed, 10 Feb 2021 14:03:00 -0500 Received: from vps0.lunn.ch ([185.16.172.187]:33148 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232904AbhBJTCl (ORCPT ); Wed, 10 Feb 2021 14:02:41 -0500 Received: from andrew by vps0.lunn.ch with local (Exim 4.94) (envelope-from ) id 1l9ukL-005NMX-Ou; Wed, 10 Feb 2021 20:01:53 +0100 Date: Wed, 10 Feb 2021 20:01:53 +0100 From: Andrew Lunn To: Jason Gunthorpe , Arnd Bergmann Cc: Nathan Chancellor , Masahiro Yamada , netdev , David Miller , Jakub Kicinski , Michal Marek , Linux Kbuild mailing list , clang-built-linux Subject: Re: [PATCH RFC/RFT 0/2] W=1 by default for Ethernet PHY subsystem Message-ID: References: <20200919190258.3673246-1-andrew@lunn.ch> <20200920145351.GB3689762@lunn.ch> <20210210183917.GA1471624@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210210183917.GA1471624@nvidia.com> Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@vger.kernel.org On Wed, Feb 10, 2021 at 02:39:17PM -0400, Jason Gunthorpe wrote: > On Sun, Sep 20, 2020 at 04:53:51PM +0200, Andrew Lunn wrote: > > > How often are new W=1 flags added? My patch exported > > KBUILD_CFLAGS_WARN1. How about instead we export > > KBUILD_CFLAGS_WARN1_20200920. A subsystem can then sign up to being > > W=1 clean as for the 20200920 definition of W=1. > > I think this is a reasonable idea. > > I'm hitting exactly the issue this series is trying to solve, Lee > invested a lot of effort to make drivers/infiniband/ W=1 clean, but > as maintainer I can't sustain this since there is no easy way to have > a warning free compile and get all extra warnings. Also all my > submitters are not running with W=1 > > I need kbuild to get everyone on the same page to be able to sustain > the warning clean up. We've already had a regression and it has only > been a few weeks :( > > Andrew, would you consider respinning this series in the above form? Arnd has worked on the core parts. But i lost track of if his patches got merged. Andrew