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t=1566747060; bh=72qMHww2wefKgAECOasnK+HqNyjIfA2p8ZUpIBUT3bY=; h=X-UI-Sender-Class:To:Cc:References:Subject:From:Date:In-Reply-To; b=pKfAMt8EX7YOr///3CtsQy/8kN8WT1HgZj6fjyGT8mj6lOwVsUA5OXafd38ToJh7r lHJ/tjiSR5XWaF1HJ1qdkh55eFoKQLhZJz7esHoBUECJM0b7bzF1i806t2ofzZnOV+ +bk5zkzOZRLLwDwzpb6ixcxJqldQjCfBNFE7MUPM= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.1.2] ([93.133.160.204]) by smtp.web.de (mrweb001 [213.165.67.108]) with ESMTPSA (Nemesis) id 0LmcRH-1iahCS3viF-00aA43; Sun, 25 Aug 2019 17:31:00 +0200 To: Denis Efremov , Gilles Muller , Julia Lawall , Masahiro Yamada , Michal Marek , Nicolas Palix , cocci@systeme.lip6.fr Cc: linux-kernel@vger.kernel.org References: <20190825130536.14683-1-efremov@linux.com> Subject: Re: [PATCH] scripts: coccinelle: check for !(un)?likely usage 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: <73d8cc3d-d0e0-aa97-053f-2012fe450924@web.de> Date: Sun, 25 Aug 2019 17:30:57 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20190825130536.14683-1-efremov@linux.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:G8uaR6yQHW0ptclz5V3Qhn/RLsJuuugAf30dC6nsPgb5ISMQXZd OGUPlo2G2MK3KWEim3Ssam7OcomunmIL7MJoWPieKVXxQBhMcs2yoyVWCbZ+60njb8rZ++1 4PSFGiAKw8gY8XybWxqWFsGX1k9ecyRhSv2DZMrs7atz1MHGqO7dSegspxkG52DYIRJfoQp /czF5BYDXAIJedfLh/qQw== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:zhN+pro9W/0=:pOQC9Tr8IkZOzF6Xkk67Wj 5GSckA9zslyPQLGGDS0/u3OtifY5B/0PsAKzvx4CvtXVwhhijUsryo+XYw2iTQyNJm0QrKcp7 euxb4lzCdjpvxHkva8iiRSNqWXKt46DCCavkrsEGhwhRAVDa/fstHbgkPIXREQ6E+Oqhkx1fq AenyWiHJjvyIiZofdYlJRTjTPb8YueNChv5an7iVFs8zq7at9RquE2sq5TZeeb4xRCwKfBRqj 3bCl13tddGVu+yP5RVwYVijJBHGKmwcmnvLMPJMzteGf2WK/IBC3t33+RhvJRbd3HmUhoZ61E ROIyJAcHH96v6QP0ozlhWKC1JKTDCyKMamFgYBwVSeaeJSKLWyl2VxuzhjJeaR26gnfB5t6W/ 2rfqOIztcEHBpaFE78IW6tSNvCULBGBlcmGTwd5wA7mA/2DUlDIcjWS7ZwR9u0S11CcRyUSzq 1EAEZF//RGBJDp4Hr3DNrP0sMqlL0IEaWeRiEeFnmC15nSoBw5a0bctEmx+3SP37Z7aMmQXtU gXc6Io5qvT//7n3vvlpqRx05wkC6ACd+nYKaKn33yZUELwTJE7Pm57+o87V8jTP+hM62Ffobx C6XE2wBA9ueXRWkSvr6Ayi1wyg4IjpU70Y2cvpReRJHiBB6hIrVFloCdVrrAEHFdZmqABfcNm ueJjrJWgwnNJM5LmG5ACT4ewQ0XD4ChLR+hbCV5Kq8ZXYgjZOim3Q0hAvIpjen3JAdtuYG/R2 cJ8eSrUYS/fXkgmSOIvC2ck2RxTeNaYwwC3Zu6as2C4UddAY2P6239pcn9YnxPVpO1ZtStdqx 1a2MmQWMUTtG9JGcqeZ02W1E2/gIyKm0Z2WZYA8H7GaK3iu7LDZ41AWQqrbgD/gI6gbjfUGpN W17Aj6QrFmbUHkq/WzzLhDn4pYJHQpbVGO+5gIwqxHkYVKLFXRqR+B5dqoXxYs9dkAzFR0cOm FIl7ov/M9WMVaHhH6MFzmFOZlhbLh0rG7Li2ObnQVtiPCr3LF91Gghsn2IiOC+QsSnGJAE8c5 nXhdkw1msInfMOkm/H8dhmEP9sRn7EB/4D1mKVlSLhpxu8dpsyRd2n2Hh14tOzqalyzgz48/A 02sNadZZf4kVJu6nrwOtgPWzPj1YGbGsxd62czOKN+g0jQtjoVxczbQbKViL5nbn5hzYu/mz9 Pu7vNJbnhffdmpQbfMpYpDPkOFymHyI4LndpMQM8wyriYKEA== Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > +( > +* !likely(E) > +| > +* !unlikely(E) > +) Can the following code variant be nicer? +*! \( likely \| unlikely \) (E) > +( > +-!likely(E) > ++unlikely(E) > +| > +-!unlikely(E) > ++likely(E) > +) I would find the following SmPL change specification more succinct. +( +-!likely ++unlikely +| +-!unlikely ++likely +)(E) > +coccilib.org.print_todo(p[0], "WARNING use unlikely instead of !likely"= ) =E2=80=A6 > +msg=3D"WARNING: Use unlikely instead of !likely" > +coccilib.report.print_report(p[0], msg) 1. I find such a message construction nicer without the extra variable =E2= =80=9Cmsg=E2=80=9D. 2. I recommend to make the provided information unique. * How do you think about to split the SmPL disjunction in the rule =E2= =80=9Cr=E2=80=9D for this purpose? * Should the transformation become clearer? Regards, Markus