Received: by 2002:a25:ad19:0:0:0:0:0 with SMTP id y25csp2074546ybi; Mon, 1 Jul 2019 05:47:38 -0700 (PDT) X-Google-Smtp-Source: APXvYqy6w9bOm9hG9CgAb+dBW3ZziyUe/fArv34BjTIj3XQiNBf1RenuYzrA9gfuvqN3HA7CPGXk X-Received: by 2002:a17:902:2ac8:: with SMTP id j66mr20025868plb.273.1561985257994; Mon, 01 Jul 2019 05:47:37 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1561985257; cv=none; d=google.com; s=arc-20160816; b=tS8prck2bxKKRvuP53lUVnst/OOAkfhISGLf0ECGW862AyvR+mgQIjF5YSHUWv6r7I g3e5znaZyLu19JFNdcgasQLRSp5T272EWgKzij/MqLm6bWquWQ26PDPClmCniC7T4msC 3BJhwcHEOO88urfbxP/mxHXJdeLhFS7G7QiDEMv5rkiKB6ioZ98qyJop3b6DdUY/kM3C cJzTs+gifwJUNgESpc48nM02MnP+fLgpiD7BT8CMA1SJgaqBtSRxz8zolqxTPEYIE4sD dp39jtdSxVOx+AAeUXWnu2cTgQ6q5Tr8zCwvhQ2H09UmCijSONKU/Zi7oWcGiuXpOTQz 9N4A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-language:in-reply-to:mime-version :user-agent:date:message-id:autocrypt:openpgp:from:references:cc:to :subject:dkim-signature; bh=LQ55hwCCQ2FoTP2QGEKErwY6kt8vAGzxOs6SmA7nYGY=; b=WhyF1ek+ofOD3o//I8urfEYUKxzWhMJm+KDRuiTRiQoGnb1qXWSXCa8XwM8VLLtPpg NjIzl5uH4gKwlgCnS0ItgR1CaQFawNbVbzsQVkvfIWXpHfChy4S1/uSVrUmD/AAjHo6w HxSF/Fx+RXHHJfU+VXGchWyk9z0D9JPwaYvcTGnyw2eDdojGY+kpD+gw6KTZ/fbR4N5O 4EWlGV57toKg/5XKiPpLgvL87T+rNhyBpeUKSuMGunPIEV991jxbg77QPS6szkpUsMzf TJ6JepxNTVGBGFAnsE0oanq90dTuxGDcx+6bAD7WTwgLBHPm+qVc60s0Mmxe68JC22xm GD0A== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@web.de header.s=dbaedf251592 header.b=X1IDdAFQ; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id u192si5476650pgb.77.2019.07.01.05.47.22; Mon, 01 Jul 2019 05:47:37 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@web.de header.s=dbaedf251592 header.b=X1IDdAFQ; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729095AbfGAMlg (ORCPT + 99 others); Mon, 1 Jul 2019 08:41:36 -0400 Received: from mout.web.de ([217.72.192.78]:49405 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727128AbfGAMlg (ORCPT ); Mon, 1 Jul 2019 08:41:36 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1561984859; bh=LQ55hwCCQ2FoTP2QGEKErwY6kt8vAGzxOs6SmA7nYGY=; h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=X1IDdAFQKzi660dsrJWh3D3Jv2tvygD2nAQ3tDG4Y0VzPbnR2WlM+RCy5ATkVqdbl RqfrCSFNIgzdPwtYFG6wm5hfybpcA/nNVJNncaHjP3s6JXStXQL/rBWdqqe/8kZtLp /Y2r7sOgX/Cjrw0OWr8DwQEHJ/AgL/ShtTgEF5d4= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.1.2] ([93.131.131.202]) by smtp.web.de (mrweb101 [213.165.67.124]) with ESMTPSA (Nemesis) id 0MDP6H-1hkt5q1wp3-00Gs1X; Mon, 01 Jul 2019 14:40:59 +0200 Subject: Re: [v2] Coccinelle: Suppression of warnings? To: Enrico Weigelt , kernel-janitors@vger.kernel.org Cc: Gilles Muller , Julia Lawall , Masahiro Yamada , Michal Marek , Nicolas Palix , Ding Xiang , Coccinelle , LKML References: <05d85182-7ec3-8fc1-4bcd-fd2528de3a40@web.de> <2744a3fc-9e67-8113-1dd9-43669e06386a@web.de> <0b48a5c5-0814-6414-39ba-beb1b8b5253a@metux.net> From: Markus Elfring Openpgp: preference=signencrypt 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= Message-ID: Date: Mon, 1 Jul 2019 14:40:43 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 MIME-Version: 1.0 In-Reply-To: <0b48a5c5-0814-6414-39ba-beb1b8b5253a@metux.net> Content-Type: text/plain; charset=utf-8 Content-Language: en-US X-Provags-ID: V03:K1:ydQQuOaMKrrPNBxNI2I3+74fCb+1kGiptO3tfChLT3ZEQoyulwE VCAhoo7BuKMDByeQQJ8Hvs8+EjynWyypzMnUAPY2okMsOi5DZ45xQ5kuRK3/DVoUtcEBLsS FD35tiIas8jC6ROLqfXfJl2bAWohcL6o8dBtjOsMIEHnDuoKtsDuJcNPjza6Dm7dN1Ipd7y bh1K9lH0NdGX8ht1KzT3w== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:0AOVUaSr0H4=:8k9UO0GwcaGwlcFRU3/amX cMXTxKW9vzZsrOrw7CYOEu6zvoMVLtWRz2cQ8DaAwf2qjjKK7TG6jG/pJ6nH1cxm87rVmm3BD 9iHKhXvzcFNfVrbfHGZzvrbY6gwAZAj5CMX64OIDEQdtv7AXS2c4CHHZyjPjmQj42wjfBDC4D 0gZOS2A9ZoOmG43nNh56S72moP5CFgCSkhJBUoWl5Bu/ZPvbh5KfJvURFMjw7cMcfDl4JrO8r SC/CYzl6V8O0X1ikiAVprASYWFG98wMimf6Cfs4dt1kRP/OEDlPnqvRCZqKzrYHElUWY8b6Xe fG5b/l3xjq1GJzDQ6ofYNZPeL6tb2SBWcfsVIa1GXtWrw1KrCye/gwEV0tbGkFDDWln54mWJi x5NKD/p2QRXbeKvmzHSznZCTIbuPRRJ4P3dtEWDw5+ZXE4aYZn2bbl552RNZd/VfnFiLOmr6D e+GI2868ERZRmISjAL/asWEmpF7Ap7kqg8/AXCILnpeRhC82QpnmmhvCxuk5rex9Sfq533GdY k1SFZtbSN+1fogKoFs+oE65Z9RXKj2mvbJM90Ls22wJd3N9sMyKjn37FbWRrHc1Pz40juzq0C mzJVsbBX3twJw+OiVNpFr/vbAELaDksrZ4bmzrhb6bv91lHn0LgT+5TL/LAf+DQ70367LaUsA B4FoO4kafZPRPsgQKh2r5pLHnef5396Bbcf6Vt55ivgrdXKewPn+htDlg2LEg+kzhfbK/LOeB jz4WV6szhnzPiQDgFXPMNMi1aleJ4aFfxLVxTl/99jpOmz5d8rwzffV16BalPdouNHU/OXi6N fHU6YZI0FmUfmVoVTiqqEdEDG5mbZHQwSdWYMBs2YiSWT7RNpTPVxuzViiUc86ILv/MmnLQwV FQPA9tPS1hY7MxZpMWJ7LHSJJbwv14ZOzL7XyAVFCZ6ky5jqL2J+dd8IfGx4sDbtIfvs/qMCG w0jdW/t4tcp1kjlLZxtBqkd42tvkCsjubO0j0AcqdyEhTXO2DRZ0DiZM5H3cCGbCNd4KKmACM ka/XR4CppLOkKidMUyGRLtnbk4Syz6A6e4BRhrxds3AY67B5v58It4CdlOhpLAQxG3BX/rXJc aFx9EHnP+L4PFxAjkewM4127Pfcu7Eie7rF Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > By the way: do we have any mechanism for explicitly suppressing > individual warnings (some kind of annotation), I do not know such an accepted specification interface (for the handling together with SmPL scripts) so far. How would you identify possibly unwanted messages in a safe way? > when the maintainer is sure that some particular case is a false-positive ? Do you know any specific source code places already where you would get concerned about the confidence and relevance of the provided information? Regards, Markus