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 65789C32771 for ; Thu, 9 Jan 2020 10:36:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 27B8E2072A for ; Thu, 9 Jan 2020 10:36:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=web.de header.i=@web.de header.b="QcRNSbd1" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730269AbgAIKgK (ORCPT ); Thu, 9 Jan 2020 05:36:10 -0500 Received: from mout.web.de ([212.227.15.3]:58671 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730251AbgAIKgI (ORCPT ); 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.3.1 MIME-Version: 1.0 In-Reply-To: <20200107170240.47207-1-wenyang@linux.alibaba.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:WQTsQgK7Zxi8JJdexL2nh4QMQONYnADY/CTwBZ2MvoDHSOQrVVS lZdmgm+fK2ihMAKLvebw6ESBMCPdzCJBrqOklZ1C/I3wpA+H5Jc9MWSSWzVqEZDYsoeIhYq dwo6qIlYMHa0VCsAyPdhtgaqys1AxYwvTyDC10qChNRWIy/pQuvsRpjD8IMbNoEN/dZ9RL5 8qvlMaeabtN/g2Ta1BlZg== X-UI-Out-Filterresults: notjunk:1;V03:K0:VO4QRwtOxv0=:oqDN8u7+OElC/+vpzLIEb4 SgTI/1kROQ9CqxJZY7SIaagjeCD89JOs8wetst2J8AiOaUsUYEceaxrVKspqAzqkkzkGrt5Cy PrQc3rWC+/jqnmpGi2U6FVhKORbfEOMNnvz3nl9FopASjjVDwKXASZsKaoG5M586z3ncOHWZ8 8Q8F4jzTbgRrLjUg+wQB8KnOPY4NDZTS/fIfR06HOGoQaRNiu9/AAuW/eThpiO0LWcOG8q/uV joK3esSfIdAFnxayXHBCvaVYCShMlCdzB1uP8r4BJ+Q0I48u8FMS9DWBiKulWiddWLGYdey/G EvmIDio79cGdi6zgfgVqAC/hGhtQsQp1yIMtZFeSZk2IV269+wcj97TG7sf00wsAgk1QoHcty 1kJkW2e+sfh11BO9/+6qupYpeva3qxL0TZkJeVawFqSNHeHI4tDRiIPYfSgrv/CnOeGLI7Dz4 zc9DfcA/JVYPtxXxQ80NDUN7NNM40oMfENM5x2kga9e8eH+v1BDY8V465WhxVJC7VCW1X5g5n 6MjDs6+YC6ZDoBw/39zs2Ke9ao+O6MEdQ99+Fwl0dZzXFQBBfsxPaEBoSRZtyG+8uoHfQACWu 7F80PMV+dt6GsnfPWyQs8vP4rUABIn/06HbJCEdlVnts/diY09KDZrQLcz6zTOUEfCU/SQxVt SM4Mo+7MImiePx4SwOFLbQc+UAf17JL9nyvxT81bMOvwoQqTKBTw/q9f4dfc6Gvfh6+Wqvs9g 9ANL6qb6761u4LQWJ7hUxqOR1gskCkDJab/9Jwm5upPfdw5xmYn4lTFmfuiKTH135eCySjgMc e88LHj4AjBXVdOFfAiRR8Zoar/13HUaO2Ycjw/rp7if76psbHr33jrivbYXs5hnRuEAA6khlz 7qwQs8B7UWed3K07X0S9ahA1D7k1A09g16QjcW+3EQrIqW+iQ3itgytgtSDKcxoPGGyijPPQH 40qFxNroj2SdJBJ6LkBfq5XwmqA6E2EU8glIuJDcZCOwl0VGD7Vbtfw17NtY5Mf0lo3moau9+ qSTiVDu4twvsZenO46AIxvuIFncsFbjoZQuazRRoXd5hKx4OrAWelVIj4KxxC7lulu8HU0cit m+vHVWXlGwwJCD219HgyI/rr98BUpdpINwxmiuIyFDibOt/W8ZYqFzNIh2sTI/4BL74IvQm1z zYaWv/ab5Ud5hwYqTFyJmmII8wgbQL5L03Ngev1HvUnJSj6/iUxvhn+POPpPmONXDA/0SVZcA pi7zjAAdiLkMvDN2x3vKXRFIaFDJRmfX4/437j0YGlNGG59tODLYBZF9nWZc= Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > - fix 'WARNING:' twice in each case. A duplicate text was removed. > +@script:python depends on org@ > +p << r.p; > +ul << r.ul; I interpret this variable assignment in the way that it will work only if the corresponding branch of the SmPL disjunction was actually matched by the referenced SmPL rule. Thus I suggest now to split the source code search pattern into four separate rules. > +warnings =3D construct_warnings(ul, "div64_ul") * Can two identifiers be nicer without an =E2=80=9Cs=E2=80=9D? * Would it be sufficient to pass a shorter identification (without the prefix =E2=80=9Cdiv64_=E2=80=9D)? Regards, Markus From mboxrd@z Thu Jan 1 00:00:00 1970 From: Markus Elfring Date: Thu, 09 Jan 2020 10:35:33 +0000 Subject: Re: [PATCH v2] coccinelle: semantic patch to check for inappropriate do_div() calls Message-Id: <9a2b7d00-442e-0c1b-73cc-aed2bbecd13a@web.de> List-Id: References: <20200107170240.47207-1-wenyang@linux.alibaba.com> In-Reply-To: <20200107170240.47207-1-wenyang@linux.alibaba.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit To: Wen Yang , cocci@systeme.lip6.fr, kernel-janitors@vger.kernel.org Cc: Michal Marek , Julia Lawall , Greg Kroah-Hartman , Nicolas Palix , Gilles Muller , =?UTF-8?Q?Matthias_M=c3=a4nnich?= , linux-kernel@vger.kernel.org, Thomas Gleixner > - fix 'WARNING:' twice in each case. A duplicate text was removed. > +@script:python depends on org@ > +p << r.p; > +ul << r.ul; I interpret this variable assignment in the way that it will work only if the corresponding branch of the SmPL disjunction was actually matched by the referenced SmPL rule. Thus I suggest now to split the source code search pattern into four separate rules. > +warnings = construct_warnings(ul, "div64_ul") * Can two identifiers be nicer without an “s”? * Would it be sufficient to pass a shorter identification (without the prefix “div64_”)? 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h=X-UI-Sender-Class:Cc:References:Subject:From:To:Date:In-Reply-To; b=QcRNSbd14ZnDuspkGxFkcxGd6Ny4Uop1ENm8rpKaezOtoPVBku46Vp4Nnls2YC3Bc AbAh4Y+TMCL/qnKf8ACiSbXbsP7guddSCsiYlU3s66ScmPGzN0RFJL5IPxVgygjY/U xq/RFci2pddE9uP8L8M+yOHrdE+LwI6hhdvpZT88= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.1.2] ([93.135.1.10]) by smtp.web.de (mrweb003 [213.165.67.108]) with ESMTPSA (Nemesis) id 0MRlJB-1jHw2A2MwL-00SuIO; Thu, 09 Jan 2020 11:35:43 +0100 References: <20200107170240.47207-1-wenyang@linux.alibaba.com> From: Markus Elfring Autocrypt: addr=Markus.Elfring@web.de; prefer-encrypt=mutual; keydata= mQINBFg2+xABEADBJW2hoUoFXVFWTeKbqqif8VjszdMkriilx90WB5c0ddWQX14h6w5bT/A8 +v43YoGpDNyhgA0w9CEhuwfZrE91GocMtjLO67TAc2i2nxMc/FJRDI0OemO4VJ9RwID6ltwt mpVJgXGKkNJ1ey+QOXouzlErVvE2fRh+KXXN1Q7fSmTJlAW9XJYHS3BDHb0uRpymRSX3O+E2 lA87C7R8qAigPDZi6Z7UmwIA83ZMKXQ5stA0lhPyYgQcM7fh7V4ZYhnR0I5/qkUoxKpqaYLp YHBczVP+Zx/zHOM0KQphOMbU7X3c1pmMruoe6ti9uZzqZSLsF+NKXFEPBS665tQr66HJvZvY GMDlntZFAZ6xQvCC1r3MGoxEC1tuEa24vPCC9RZ9wk2sY5Csbva0WwYv3WKRZZBv8eIhGMxs rcpeGShRFyZ/0BYO53wZAPV1pEhGLLxd8eLN/nEWjJE0ejakPC1H/mt5F+yQBJAzz9JzbToU 5jKLu0SugNI18MspJut8AiA1M44CIWrNHXvWsQ+nnBKHDHHYZu7MoXlOmB32ndsfPthR3GSv jN7YD4Ad724H8fhRijmC1+RpuSce7w2JLj5cYj4MlccmNb8YUxsE8brY2WkXQYS8Ivse39MX BE66MQN0r5DQ6oqgoJ4gHIVBUv/ZwgcmUNS5gQkNCFA0dWXznQARAQABtCZNYXJrdXMgRWxm cmluZyA8TWFya3VzLkVsZnJpbmdAd2ViLmRlPokCVAQTAQgAPhYhBHDP0hzibeXjwQ/ITuU9 Figxg9azBQJYNvsQAhsjBQkJZgGABQsJCAcCBhUICQoLAgQWAgMBAh4BAheAAAoJEOU9Figx g9azcyMP/iVihZkZ4VyH3/wlV3nRiXvSreqg+pGPI3c8J6DjP9zvz7QHN35zWM++1yNek7Ar OVXwuKBo18ASlYzZPTFJZwQQdkZSV+atwIzG3US50ZZ4p7VyUuDuQQVVqFlaf6qZOkwHSnk+ CeGxlDz1POSHY17VbJG2CzPuqMfgBtqIU1dODFLpFq4oIAwEOG6fxRa59qbsTLXxyw+PzRaR LIjVOit28raM83Efk07JKow8URb4u1n7k9RGAcnsM5/WMLRbDYjWTx0lJ2WO9zYwPgRykhn2 sOyJVXk9xVESGTwEPbTtfHM+4x0n0gC6GzfTMvwvZ9G6xoM0S4/+lgbaaa9t5tT/PrsvJiob kfqDrPbmSwr2G5mHnSM9M7B+w8odjmQFOwAjfcxoVIHxC4Cl/GAAKsX3KNKTspCHR0Yag78w i8duH/eEd4tB8twcqCi3aCgWoIrhjNS0myusmuA89kAWFFW5z26qNCOefovCx8drdMXQfMYv g5lRk821ZCNBosfRUvcMXoY6lTwHLIDrEfkJQtjxfdTlWQdwr0mM5ye7vd83AManSQwutgpI q+wE8CNY2VN9xAlE7OhcmWXlnAw3MJLW863SXdGlnkA3N+U4BoKQSIToGuXARQ14IMNvfeKX NphLPpUUnUNdfxAHu/S3tPTc/E/oePbHo794dnEm57LuuQINBFg2+xABEADZg/T+4o5qj4cw nd0G5pFy7ACxk28mSrLuva9tyzqPgRZ2bdPiwNXJUvBg1es2u81urekeUvGvnERB/TKekp25 4wU3I2lEhIXj5NVdLc6eU5czZQs4YEZbu1U5iqhhZmKhlLrhLlZv2whLOXRlLwi4jAzXIZAu 76mT813jbczl2dwxFxcT8XRzk9+dwzNTdOg75683uinMgskiiul+dzd6sumdOhRZR7YBT+xC wzfykOgBKnzfFscMwKR0iuHNB+VdEnZw80XGZi4N1ku81DHxmo2HG3icg7CwO1ih2jx8ik0r riIyMhJrTXgR1hF6kQnX7p2mXe6K0s8tQFK0ZZmYpZuGYYsV05OvU8yqrRVL/GYvy4Xgplm3 DuMuC7/A9/BfmxZVEPAS1gW6QQ8vSO4zf60zREKoSNYeiv+tURM2KOEj8tCMZN3k3sNASfoG fMvTvOjT0yzMbJsI1jwLwy5uA2JVdSLoWzBD8awZ2X/eCU9YDZeGuWmxzIHvkuMj8FfX8cK/ 2m437UA877eqmcgiEy/3B7XeHUipOL83gjfq4ETzVmxVswkVvZvR6j2blQVr+MhCZPq83Ota xNB7QptPxJuNRZ49gtT6uQkyGI+2daXqkj/Mot5tKxNKtM1Vbr/3b+AEMA7qLz7QjhgGJcie qp4b0gELjY1Oe9dBAXMiDwARAQABiQI8BBgBCAAmFiEEcM/SHOJt5ePBD8hO5T0WKDGD1rMF Alg2+xACGwwFCQlmAYAACgkQ5T0WKDGD1rOYSw/+P6fYSZjTJDAl9XNfXRjRRyJSfaw6N1pA Ahuu0MIa3djFRuFCrAHUaaFZf5V2iW5xhGnrhDwE1Ksf7tlstSne/G0a+Ef7vhUyeTn6U/0m +/BrsCsBUXhqeNuraGUtaleatQijXfuemUwgB+mE3B0SobE601XLo6MYIhPh8MG32MKO5kOY hB5jzyor7WoN3ETVNQoGgMzPVWIRElwpcXr+yGoTLAOpG7nkAUBBj9n9TPpSdt/npfok9ZfL /Q+ranrxb2Cy4tvOPxeVfR58XveX85ICrW9VHPVq9sJf/a24bMm6+qEg1V/G7u/AM3fM8U2m tdrTqOrfxklZ7beppGKzC1/WLrcr072vrdiN0icyOHQlfWmaPv0pUnW3AwtiMYngT96BevfA qlwaymjPTvH+cTXScnbydfOQW8220JQwykUe+sHRZfAF5TS2YCkQvsyf7vIpSqo/ttDk4+xc Z/wsLiWTgKlih2QYULvW61XU+mWsK8+ZlYUrRMpkauN4CJ5yTpvp+Orcz5KixHQmc5tbkLWf x0n1QFc1xxJhbzN+r9djSGGN/5IBDfUqSANC8cWzHpWaHmSuU3JSAMB/N+yQjIad2ztTckZY pwT6oxng29LzZspTYUEzMz3wK2jQHw+U66qBFk8whA7B2uAU1QdGyPgahLYSOa4XAEGb6wbI FEE= To: Wen Yang , cocci@systeme.lip6.fr, kernel-janitors@vger.kernel.org Message-ID: <9a2b7d00-442e-0c1b-73cc-aed2bbecd13a@web.de> Date: Thu, 9 Jan 2020 11:35:33 +0100 User-Agent: Mozilla/5.0 (X11; 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Thu, 09 Jan 2020 11:36:07 +0100 (CET) X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.4.3 (isis.lip6.fr [132.227.60.2]); Thu, 09 Jan 2020 11:36:01 +0100 (CET) X-Scanned-By: MIMEDefang 2.78 on 132.227.60.2 X-Scanned-By: MIMEDefang 2.78 on 132.227.60.2 Cc: Michal Marek , Julia Lawall , Greg Kroah-Hartman , Nicolas Palix , Gilles Muller , =?UTF-8?Q?Matthias_M=c3=a4nnich?= , linux-kernel@vger.kernel.org, Thomas Gleixner Subject: Re: [Cocci] [PATCH v2] coccinelle: semantic patch to check for inappropriate do_div() calls X-BeenThere: cocci@systeme.lip6.fr X-Mailman-Version: 2.1.13 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: cocci-bounces@systeme.lip6.fr Errors-To: cocci-bounces@systeme.lip6.fr PiAtIGZpeCAnV0FSTklORzonIHR3aWNlIGluIGVhY2ggY2FzZS4KCkEgZHVwbGljYXRlIHRleHQg d2FzIHJlbW92ZWQuCgoKPiArQHNjcmlwdDpweXRob24gZGVwZW5kcyBvbiBvcmdACj4gK3AgPDwg ci5wOwo+ICt1bCA8PCByLnVsOwoKSSBpbnRlcnByZXQgdGhpcyB2YXJpYWJsZSBhc3NpZ25tZW50 IGluIHRoZSB3YXkgdGhhdCBpdCB3aWxsIHdvcmsgb25seQppZiB0aGUgY29ycmVzcG9uZGluZyBi cmFuY2ggb2YgdGhlIFNtUEwgZGlzanVuY3Rpb24gd2FzIGFjdHVhbGx5IG1hdGNoZWQKYnkgdGhl IHJlZmVyZW5jZWQgU21QTCBydWxlLgpUaHVzIEkgc3VnZ2VzdCBub3cgdG8gc3BsaXQgdGhlIHNv dXJjZSBjb2RlIHNlYXJjaCBwYXR0ZXJuIGludG8KZm91ciBzZXBhcmF0ZSBydWxlcy4KCgo+ICt3 YXJuaW5ncyA9IGNvbnN0cnVjdF93YXJuaW5ncyh1bCwgImRpdjY0X3VsIikKCiogQ2FuIHR3byBp ZGVudGlmaWVycyBiZSBuaWNlciB3aXRob3V0IGFuIOKAnHPigJ0/CgoqIFdvdWxkIGl0IGJlIHN1 ZmZpY2llbnQgdG8gcGFzcyBhIHNob3J0ZXIgaWRlbnRpZmljYXRpb24KICAod2l0aG91dCB0aGUg cHJlZml4IOKAnGRpdjY0X+KAnSk/CgpSZWdhcmRzLApNYXJrdXMKX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KQ29jY2kgbWFpbGluZyBsaXN0CkNvY2NpQHN5 c3RlbWUubGlwNi5mcgpodHRwczovL3N5c3RlbWUubGlwNi5mci9tYWlsbWFuL2xpc3RpbmZvL2Nv Y2NpCg==