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Fri, 12 Feb 2021 13:25:06 -0800 (PST) Date: Fri, 12 Feb 2021 21:25:03 +0000 From: Lee Jones To: Stephen Boyd Cc: linux-kernel@vger.kernel.org, Ahmad Fatoum , Andy Gross , Avi Fishman , Benjamin Fair , Bjorn Andersson , Boris BREZILLON , Chen-Yu Tsai , Emilio =?iso-8859-1?Q?L=F3pez?= , Fabio Estevam , Geert Uytterhoeven , Jan Kotas , Jernej Skrabec , Jonathan Hunter , linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-omap@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-tegra@vger.kernel.org, Loc Ho , Maxime Ripard , Michael Turquette , Michal Simek , Nancy Yuen , Nuvoton Technologies , NXP Linux Team , openbmc@lists.ozlabs.org, Patrick Venture , Pengutronix Kernel Team , Peter De Schrijver , Philipp Zabel , Prashant Gaikwad , Rajan Vaja , Rajeev Kumar , Richard Woodruff , Russell King , Sascha Hauer , Shawn Guo , Shiraz Hashim , =?iso-8859-1?Q?S=F6ren?= Brinkmann , Tali Perry , Tero Kristo , Thierry Reding , Tomer Maimon , Viresh Kumar Subject: Re: [PATCH 00/21] [Set 2] Rid W=1 warnings from Clock Message-ID: <20210212212503.GC179940@dell> References: <20210126124540.3320214-1-lee.jones@linaro.org> <161307643148.1254594.6590013599999468609@swboyd.mtv.corp.google.com> <20210211211054.GD4572@dell> <161309925025.1254594.6210738031889810500@swboyd.mtv.corp.google.com> <20210212092016.GF4572@dell> <161316374113.1254594.14156657225822268891@swboyd.mtv.corp.google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <161316374113.1254594.14156657225822268891@swboyd.mtv.corp.google.com> Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On Fri, 12 Feb 2021, Stephen Boyd wrote: > Quoting Lee Jones (2021-02-12 01:20:16) > > On Thu, 11 Feb 2021, Stephen Boyd wrote: > > > > > Quoting Lee Jones (2021-02-11 13:10:54) > > > > On Thu, 11 Feb 2021, Stephen Boyd wrote: > > > > > > > > > Quoting Lee Jones (2021-01-26 04:45:19) > > > > > > This set is part of a larger effort attempting to clean-up W=1 > > > > > > kernel builds, which are currently overwhelmingly riddled with > > > > > > niggly little warnings. > > > > > > > > > > > > This is the last set. Clock is clean after this. > > > > > > > > > > Is it possible to slam in some patch that makes W=1 the default for the > > > > > clk directory? I'm trying to avoid seeing this patch series again. > > > > > > > > One of my main goals of this project is that everyone (contributors, > > > > maintainers auto-builder robots etc) will be enabling W=1 builds > > > > *locally*. > > > > > > > > This isn't something you'll want to do at a global (i.e. in Mainline) > > > > level. That's kinda the point of W=1. > > > > > > > > > > Agreed, but is it possible to pass W=1 in the drivers/clk/Makefile? > > > > That would circumvent the point of W=1. Level-1 warnings are deemed, > > and I'm paraphrasing/making this up "not worth rejecting pull-requests > > over". In contrast, if Linus catches any W=0 warnings at pull-time, > > he will reject the pull-request as 'untested'. > > > > W=1 is defiantly something you'll want to enable locally though, and > > subsequently push back on contributors submitting code adding new > > ones. > > > > Why should I install a land mine for others to trip over? Won't that > just take them more time because they won't know to compile with W=1 and > then will have to go for another round of review while I push back on > them submitting new warnings? The alternative is to not worry about it and review the slow drip of fixes that will occur as a result. The issues I just fixed were built up over years. They won't get to that level again. In my mind contributors should be compiling their submissions with W=1 enabled by default. I'm fairly sure the auto-builders do this now. Once W=1 warnings are down to an acceptable level in the kernel as a whole, we can provide some guidance in SubmittingPatches (or similar) on how to enable them (hint: you add "W=1" on the compile line). Enabling W=1 in the default build will only serve to annoy Linus IMHO. If he wants them to be enabled by default, they wouldn't be W=1 in the first place, they'd be W=0 which *is* the default build. -- Lee Jones [李琼斯] Senior Technical Lead - Developer Services Linaro.org │ Open source software for Arm SoCs Follow Linaro: Facebook | Twitter | Blog 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=-3.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED 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 C1530C433DB for ; Sun, 14 Feb 2021 23:26:47 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 23C3E60202 for ; 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Fri, 12 Feb 2021 13:25:06 -0800 (PST) Date: Fri, 12 Feb 2021 21:25:03 +0000 From: Lee Jones To: Stephen Boyd Subject: Re: [PATCH 00/21] [Set 2] Rid W=1 warnings from Clock Message-ID: <20210212212503.GC179940@dell> References: <20210126124540.3320214-1-lee.jones@linaro.org> <161307643148.1254594.6590013599999468609@swboyd.mtv.corp.google.com> <20210211211054.GD4572@dell> <161309925025.1254594.6210738031889810500@swboyd.mtv.corp.google.com> <20210212092016.GF4572@dell> <161316374113.1254594.14156657225822268891@swboyd.mtv.corp.google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <161316374113.1254594.14156657225822268891@swboyd.mtv.corp.google.com> X-Mailman-Approved-At: Mon, 15 Feb 2021 10:22:39 +1100 X-BeenThere: openbmc@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development list for OpenBMC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Prashant Gaikwad , Tomer Maimon , Geert Uytterhoeven , Michael Turquette , Bjorn Andersson , Rajeev Kumar , Jan Kotas , Russell King , Fabio Estevam , linux-clk@vger.kernel.org, Boris BREZILLON , Ahmad Fatoum , Benjamin Fair , Emilio =?iso-8859-1?Q?L=F3pez?= , Viresh Kumar , openbmc@lists.ozlabs.org, Michal Simek , Jonathan Hunter , Chen-Yu Tsai , Andy Gross , Loc Ho , NXP Linux Team , Richard Woodruff , Tali Perry , Philipp Zabel , linux-arm-msm@vger.kernel.org, Sascha Hauer , Maxime Ripard , linux-tegra@vger.kernel.org, linux-omap@vger.kernel.org, Shiraz Hashim , linux-arm-kernel@lists.infradead.org, =?iso-8859-1?Q?S=F6ren?= Brinkmann , Jernej Skrabec , Tero Kristo , Rajan Vaja , Avi Fishman , Patrick Venture , Peter De Schrijver , linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Nuvoton Technologies , Thierry Reding , Pengutronix Kernel Team , Shawn Guo Errors-To: openbmc-bounces+openbmc=archiver.kernel.org@lists.ozlabs.org Sender: "openbmc" On Fri, 12 Feb 2021, Stephen Boyd wrote: > Quoting Lee Jones (2021-02-12 01:20:16) > > On Thu, 11 Feb 2021, Stephen Boyd wrote: > > > > > Quoting Lee Jones (2021-02-11 13:10:54) > > > > On Thu, 11 Feb 2021, Stephen Boyd wrote: > > > > > > > > > Quoting Lee Jones (2021-01-26 04:45:19) > > > > > > This set is part of a larger effort attempting to clean-up W=1 > > > > > > kernel builds, which are currently overwhelmingly riddled with > > > > > > niggly little warnings. > > > > > > > > > > > > This is the last set. Clock is clean after this. > > > > > > > > > > Is it possible to slam in some patch that makes W=1 the default for the > > > > > clk directory? I'm trying to avoid seeing this patch series again. > > > > > > > > One of my main goals of this project is that everyone (contributors, > > > > maintainers auto-builder robots etc) will be enabling W=1 builds > > > > *locally*. > > > > > > > > This isn't something you'll want to do at a global (i.e. in Mainline) > > > > level. That's kinda the point of W=1. > > > > > > > > > > Agreed, but is it possible to pass W=1 in the drivers/clk/Makefile? > > > > That would circumvent the point of W=1. Level-1 warnings are deemed, > > and I'm paraphrasing/making this up "not worth rejecting pull-requests > > over". In contrast, if Linus catches any W=0 warnings at pull-time, > > he will reject the pull-request as 'untested'. > > > > W=1 is defiantly something you'll want to enable locally though, and > > subsequently push back on contributors submitting code adding new > > ones. > > > > Why should I install a land mine for others to trip over? Won't that > just take them more time because they won't know to compile with W=1 and > then will have to go for another round of review while I push back on > them submitting new warnings? The alternative is to not worry about it and review the slow drip of fixes that will occur as a result. The issues I just fixed were built up over years. They won't get to that level again. In my mind contributors should be compiling their submissions with W=1 enabled by default. I'm fairly sure the auto-builders do this now. Once W=1 warnings are down to an acceptable level in the kernel as a whole, we can provide some guidance in SubmittingPatches (or similar) on how to enable them (hint: you add "W=1" on the compile line). Enabling W=1 in the default build will only serve to annoy Linus IMHO. If he wants them to be enabled by default, they wouldn't be W=1 in the first place, they'd be W=0 which *is* the default build. -- Lee Jones [李琼斯] Senior Technical Lead - Developer Services Linaro.org │ Open source software for Arm SoCs Follow Linaro: Facebook | Twitter | Blog 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=-4.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 7DB63C433E0 for ; Fri, 12 Feb 2021 21:26:26 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3C97464E00 for ; 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Fri, 12 Feb 2021 13:25:06 -0800 (PST) Date: Fri, 12 Feb 2021 21:25:03 +0000 From: Lee Jones To: Stephen Boyd Subject: Re: [PATCH 00/21] [Set 2] Rid W=1 warnings from Clock Message-ID: <20210212212503.GC179940@dell> References: <20210126124540.3320214-1-lee.jones@linaro.org> <161307643148.1254594.6590013599999468609@swboyd.mtv.corp.google.com> <20210211211054.GD4572@dell> <161309925025.1254594.6210738031889810500@swboyd.mtv.corp.google.com> <20210212092016.GF4572@dell> <161316374113.1254594.14156657225822268891@swboyd.mtv.corp.google.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <161316374113.1254594.14156657225822268891@swboyd.mtv.corp.google.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210212_162510_591628_33C7423C X-CRM114-Status: GOOD ( 27.04 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Prashant Gaikwad , Tomer Maimon , Geert Uytterhoeven , Michael Turquette , Bjorn Andersson , Rajeev Kumar , Jan Kotas , Russell King , Fabio Estevam , linux-clk@vger.kernel.org, Boris BREZILLON , Ahmad Fatoum , Benjamin Fair , Emilio =?iso-8859-1?Q?L=F3pez?= , Viresh Kumar , openbmc@lists.ozlabs.org, Michal Simek , Jonathan Hunter , Nancy Yuen , Chen-Yu Tsai , Andy Gross , Loc Ho , NXP Linux Team , Richard Woodruff , Tali Perry , Philipp Zabel , linux-arm-msm@vger.kernel.org, Sascha Hauer , Maxime Ripard , linux-tegra@vger.kernel.org, linux-omap@vger.kernel.org, Shiraz Hashim , linux-arm-kernel@lists.infradead.org, =?iso-8859-1?Q?S=F6ren?= Brinkmann , Jernej Skrabec , Tero Kristo , Rajan Vaja , Avi Fishman , Patrick Venture , Peter De Schrijver , linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Nuvoton Technologies , Thierry Reding , Pengutronix Kernel Team , Shawn Guo Content-Type: text/plain; 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