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=-2.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, 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 043AEC433DF for ; Thu, 28 May 2020 15:25:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D22FB205CB for ; Thu, 28 May 2020 15:25:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=web.de header.i=@web.de header.b="rdGuRcv8" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404385AbgE1PZn (ORCPT ); Thu, 28 May 2020 11:25:43 -0400 Received: from mout.web.de ([212.227.15.14]:42191 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404080AbgE1PZk (ORCPT ); Thu, 28 May 2020 11:25:40 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1590679527; bh=WKYadX7JSojRqaBOJBsFx+Raq+xa5V8MW6YVf/cpjlA=; h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=rdGuRcv8ypTuD9ocICT+F7LjyhecR2G+Ofr6z/PcpQdGbJarLCCy5Nx31iIXGiETx +VU4SzO8HVCVQYNZgwcBF9RM21fZh8jqq6eW/o4cHKY9yWHXcc0ldvxj9ycjeZ5Cuw /w5uuEUaYx5KqDJEfFN/AU+rrJhv5OL1+QqyaDoQ= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.1.3] ([2.244.30.242]) by smtp.web.de (mrweb001 [213.165.67.108]) with ESMTPSA (Nemesis) id 0MEEMy-1jpLxf0Mem-00FSdH; Thu, 28 May 2020 17:25:27 +0200 Subject: Re: [v5] workqueue: Remove unnecessary kfree() call in rcu_free_wq() To: Dan Carpenter , Lai Jiangshan Cc: Zhang Qiang , Tejun Heo , linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org References: <20200527075715.36849-1-qiang.zhang@windriver.com> <284c7851-4e89-a00f-a2e6-aa8e2e1f3fce@web.de> <20200528095703.GH30374@kadam> <20200528122545.GP22511@kadam> From: Markus Elfring Autocrypt: addr=Markus.Elfring@web.de; 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: <20200528122545.GP22511@kadam> Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:tFAAGUVknNsYxGEJwm8pnJToVxqhqvPvefcLDzNd/WXxulcSGvy Fv7R8BYbpOsS2Ha/OkpPS3Dd94oMHINnVIOjoafaanKFkn+pHaebCMjdVG84ERfiFNb8fol fwKpCYX+gu1F36XjSAAWHwyZ80F5IGG85WJMvwg+TTTb12DMMMEvlLJ3eqA/G4sPIWnNlyI 4Z/Hs65Hg7meOfFERdKbg== X-UI-Out-Filterresults: notjunk:1;V03:K0:pQMED9qP4b0=:9jUdBCRgF8g2prYCaXVYmg BgSrGmpweERSEyaU723idiaQxhYsrzdFlbuZEV9qbAcMKt3V3fKX971JOcDLdh3qyM9kMrnfN gBzCqD7pkKG2Q+jyP+UfGC6NPIyoUK9WAugYXiQ6fxWQ/6zibF9U/1A3YOF4xGTOYu8v7S3aa 4kmu/H0boFHeBEokkSFSVcSfQA5mts3JMLCx+hWZ21kfCVx/b6Fu1tE1iFGeHcpWB2o4T28JO d+pftkLpcixBaWWUPp8IlvhaJfe+ZCmHsxE7LEGHAuD0O0fvtA6mFKNNFH5X+iwXiswgafG/X cMvUl8lARVEbQxGUXiHzeLv4CVpD/GND5QuWugBQjcpKRCp8zL74VACr8TRjhiFGCHM34G0Xg R3Rr66HQq94A0vHCE5i1shUMLfc8lXT/y9Wap8GZfHw915kNsXVqpg5nuplXp7NPt7Q/3Vw1U pQNUYyQM4uwTih8DlsqJ49b6llN/bGTHYY7cTMWPn871nUkDshMNCoXai3lSFQAlH1qGPZvAb LCU/vzroOVTjtoWAr3nppvEsU4src9OR9FgwCx/385B3Fn4zybfN8vC2If8Pzy+peT9M1xhtf B55NGvj/ppkFtK9yuWBDLcX473OGtBXP7/DOoOl5uHRy9U49YBZCjquekHDWCmFKjkdJ2xIXD q+HgUO/jjXiI0jfkllSgPZdruF5aK+z9JWymPNHuNT6vqINnxIllFxE6l7VzoctaTp9xG8pWZ RTRODzNbEX5RUBm/LQESAHKxygI2E82sS2NTGi99MxV0EJohxyCFgjTBECIs6wO/N/pLlskKN Jml4ol4ZjYur9wCT6xLxwxSfhDZdSH36XiV5YJy2z887NYR44jP5r3LtvDJzWUQ3zsoXZkUBA 2aTX/g0o0LDsKfNk5dXL3mTxe91paGknlT/u7NEM2qEXFeFNAUw+pi4rG+8MrACIfG1kXi5Tm Nvt35XS4vQYoNVhowy52LXQR0dB6mNr6q5xHiBE5FMiU6usXSHXSvCkR6/G8emEt8qxBBmz91 ASZ6lGFw9+W8UyhdXVlCNybVkSRN1UiOSvDMP2ZnxQtfZOFGUVWnPHRJDDtTzS7PzX8W/lunt K4wJlBll+zpJTlqu/wI0TtPBXa/aUzqrK/3xAER1RQcnbGZHlgPiQrLvsuPf6CjvikR6fA9qZ J+NWgLrjaW9QLVf6fzSB8eHUEfw0PJlb84ir4x00yV70HeWtiedbVwEBfrRz8daBjj65K1RY1 2mC/f9n9/IJ+BTlYh Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >> Still, the kfree(NULL) is harmless. But it is cleaner >> to have the patch. But the changelog is wrong, even after >> the lengthened debating, and English is not my mother tongue, >> so I just looked on. > > We have tried to tell Markus not to advise people about commit messages A few concerns were mentioned. > but he doesn't listen. I am still listening as usual. I am offering constructive patch reviews for selected topics. > He has discouraged some contributors. :/ There are the usual risks that additional views are occasionally not picke= d up in positive ways. Regards, Markus