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[23.128.96.18]) by mx.google.com with ESMTP id dt18si6915484ejc.258.2020.07.18.05.15.46; Sat, 18 Jul 2020 05:16:09 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@web.de header.s=dbaedf251592 header.b=pSeRxcIY; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726627AbgGRMPe (ORCPT + 99 others); Sat, 18 Jul 2020 08:15:34 -0400 Received: from mout.web.de ([212.227.17.11]:34373 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726481AbgGRMPd (ORCPT ); Sat, 18 Jul 2020 08:15:33 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1595074468; bh=U65LMVBBoufD+55SxpSXNUDIDOZN957aglckxFtMk7M=; h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=pSeRxcIYUW6U1C1hF51L23RJN3Fz1nRdEDoQCT94kgtP4FNL/qEiAOlj7S+1Dqs76 8UFXNoRWyN/i7ld/W07Nb6o/Z2K90XEjKq2MKM4Guzbi/zPADwZOOMpPRkDngYG7Is K+qJbkzuoyOttHdj/aHSQkPgoIVg5G3OhFqrNFw8= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.1.2] ([2.243.120.168]) by smtp.web.de (mrweb101 [213.165.67.124]) with ESMTPSA (Nemesis) id 0MVtxM-1kKtG0021o-00X2EL; Sat, 18 Jul 2020 14:14:28 +0200 Subject: Re: [v2 1/4] coccinelle: api: extend memdup_user transformation with GFP_USER To: Julia Lawall , Denis Efremov , Coccinelle Cc: Gilles Muller , Masahiro Yamada , Michal Marek , Nicolas Palix , linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org References: <0b9f2c58-e124-22d2-d91d-62a6e831c880@web.de> 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= Message-ID: <0a961d1e-6bd2-45fd-113e-9258fe00a16a@web.de> Date: Sat, 18 Jul 2020 14:14:20 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:xRL2D+hWXFUp6yx33y+vyQ1zbck9m34U56qu9vxGBg4dbDNQTh5 T4shAnnxdLykE39XxSayFgaNXsYwpihRRNly/eWM9S32je5qMD0bw5ZETuKOSm/ucjqYMNk I5Y/F1FX0hoLeEOQKA0IxCK6RtExjAQ9qiiogHzntt7JCKpt00ZHi6Wo3GL8Y4E0LZ8s2v0 7hCoBAJXBKrOIdocKkQfg== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:se6+j1wCtLM=:GeJacnAQ8PPSdFrECjC7Pf nDj34N9QqNU/+zU72XoRwVvZ61S/jabptyrFNj9GcoPgTGOj0jx1hMgdiE420QHX+zkzD39jj 0sbO3f3zR+R4DH3TubMrIYucH6t6MPb3CAWXbRxgiJsUctKiEka0WBckzPAmXPr0tgHaIFtqx FF2Q01ZcOM7zlbZeKWOEu9vlr8AH0aN4L24RrD8lwgTIIKBuEAuW7ElGUqvoVcem54EvlQs2e Y8w7KEbuT96gniZPMBRtrOit0mSnH6QPQrwq68y2VYSrzOdbZkDP74r4KfZSxC7hZhNsaMeDm r40SSzP8f0nMUP2MD0W8F35loGSQwrp33DxMjEJwrJhrcW/2edZ7Yi2GreBVuQzJxTEl633Vr AW/OHss7ZyqYVs4ZuhIEzXAAVIqTTDl6iHfOv84ZZLhKFx04jui7aUunNCFO4wAZgS1I/0TpO EAei0iUaVDqRF/F51+2DWNaCuDubqLdwMa71sPcLKKP3geFNq+sV9zRzyBvQPQ8BPphPJ4OJQ qjTHTHcUXyH35xSVEWSj7i3VYZU7iYZmy5Zh9D7gFX3w/OcRgMF61bAneGc7oB3d0nempDqzz +N+cEmxMoP6ke4ypof3MX8uCG7DkgJnpVjdGlvl60o4MMf7JbcXhCdoXbwwMYCuVFcw6HQqA5 T/CUXIjATulPC8QaNB5Dto8jH1o99uAhYyWGlqCoUwhtwQaktI0p6a6NO+vl1GBlaAyU/7NmT D6PBYJHpPJotn0lqSMQEU+BBqMOnlTTquHI39oPpUuHLn0FgQWGPNRyP51XsZqgzq16TUzG9r lNvTvS8Gx9mOrZMo0uNKsR9z84/2kgN85MwFIgjvZSVgCGXDDX+dIM70sWlCu0rHQNamydwBY dbKF1h51s5KIdH0jRkS86XPVzgTTlm0RTDv66hdGz/PJpkQLOhu3p0JHImJ3D+vgPOYNJCZbG zUq2Y9MyvsqJZ/gntzikt34q8hsLNUZuBKCpOUQSPSx8cAJpWC+SwmjW92VC8uSckIAglXmg3 m5xx1LMCZiyxNr/0PmWDr4U0B1UTfRLJDjAfovwPfDhQ3+ULAKioo3tud8d6K7ZclShGS5GF0 MNgeFdT8Mr3madUMDJmZthp7AQlRs9M4GnULnQPhkJotYhgl0VyGgsUAovdncaDkAu5s2r20y FGScgTOrESEL9TbEDW5Ce5V6iFPqlwWGkhnUmUW68LKSco46URA/t0g4M63xHPLh/Y4ZPptwO 5ly3dGM4Z3cKRTOjFdNpdoCnxsYl6zFzVsci76g== Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > You proposed essentially \( A \| B \) \( | C \| \) Will the software development attention grow for a topic like =E2=80=9CExtend support for handling of optional source code parts=E2= =80=9D? https://github.com/coccinelle/coccinelle/issues/53 How do you think about another tiny example script for the semantic patch = language? @display@ constant A, B; @@ *A ?| B elfring@Sonne:~/Projekte/Coccinelle/Probe> spatch --parse-cocci optional_d= isjunction_test3-20200718.cocci =E2=80=A6 warning: incompatible arity found on line 4 incompatible minus and plus code starting on lines 4 and 4 Regards, Markus