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 B1B5AC2BB55 for ; Thu, 9 Apr 2020 14:07:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 77BA420A8B for ; Thu, 9 Apr 2020 14:07:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=web.de header.i=@web.de header.b="JO4QoKUJ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727173AbgDIOHP (ORCPT ); Thu, 9 Apr 2020 10:07:15 -0400 Received: from mout.web.de ([212.227.15.3]:34897 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726552AbgDIOHP (ORCPT ); Thu, 9 Apr 2020 10:07:15 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1586441207; bh=q6JT9BUFhZEDTkjJ5O6J5v2MmnwuAEBNOmdPwgmth44=; h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=JO4QoKUJL1tQAShFsyB81ZnvI7u+Pl/cX8UC8f+FrPMDcZR2zH+SapWIsgIwf1Wra CfqQRF95AwulT/tocwQYzjFBjDTAs9TajTunYXQc4ihfc58bvpEJ8jeAI+Na/tyGOT gD3DI4clYya3cjjyECr+esU04ifNAtCWIpo67J58= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.1.3] ([93.133.77.56]) by smtp.web.de (mrweb001 [213.165.67.108]) with ESMTPSA (Nemesis) id 0Letkl-1iwX840MpD-00qh8K; Thu, 09 Apr 2020 16:06:47 +0200 Subject: Re: [PATCH] scsi: Remove unnecessary calls to memset after dma_alloc_coherent To: Alex Dewar , linux-scsi@vger.kernel.org Cc: Allison Randal , Arnd Bergmann , Julia Lawall , Greg Kroah-Hartman , Himanshu Madhani , "James E. J. Bottomley" , "Martin K. Petersen" , Richard Fontana , Sathya Prakash , Suganath Prabu Subramani , Thomas Gleixner , aacraid@microsemi.com, MPT-FusionLinux.pdl@broadcom.com, linux-kernel@vger.kernel.org References: <20200407160213.qh64de6ebrj7qkmx@lenovo-laptop> <807090f6-f2ee-0e5b-6e35-b0c148c7a22f@web.de> <20200409114218.5muicchv37ulrjxf@medion> 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: <099aaf53-739c-568d-df7c-e9a2d56a07fd@web.de> Date: Thu, 9 Apr 2020 16:06:44 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: <20200409114218.5muicchv37ulrjxf@medion> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:JusyzVvIVIWSc70UAc19taj5ysYDY1sU8dM0OVZBrI4gtlxZfCn 9vA50+xURZCL+aiQrvlqBBSICvJh8oOfL9pQ5rLlnterYcCFdh/gYOyPvocESFI7dwLrR2M qt7zvopWRmad98G6wDWkoGi7k1DX2R3Y1SoM0tSxyZhmtTtlUJJAuf4j6j19v3jjAZyRwXm Bk1B23gQcqn8i/RrI8DFg== X-UI-Out-Filterresults: notjunk:1;V03:K0:MuJKtknjxMQ=:csZJiCPDXi62HwHssdk5iF 3HTHF71SG1oJ3VBOzcARhPB44oGe/OaysXvh7GtTErLNY0TXdswsYcx9eI4bJnw2MoIfobqhH HdBi3EtLgRyCDYhmsSAaDNksBNB3fv1iivVP9gRGgk+aaGwn+7vt1NNxKN2lUrsOwIta1g8ly mMySnM7HVyg/16vrWwxb5gNHdi1TpMuFGsMBrbf8HOntyh9+2TMetm32o9b2pbCkWKTmGoGg3 GkTpPMRhPaAV14MpBPQM7PTK7NwpbWOAmYOJZ/IuwEUIK/ggfEOcM8Zi+vitrl5Qizxm3B0Mr 9HYsDxYJX/NKnqqtHHGfMoNsMhA5pUqYysZTc4Y93Rd6Ufxpa7gMugtTT0V2oywpFgRZ+gZIb 1i7v+XeEghbx5+GX1ti1yDWSL3mQ9bgbdOrDd8bNmha1S0Ks/NUaOZyJrHODBDsxW2y1LTtJI 7+mBvfWZLJqlck+5BP+hTgKkuu3220ajc7JVakIkfGfouXvk9WSHHlHvImHPd4Cjn9ZIQVO7k ncMcEtJVPyQ+DOMUDdsFh1JyqmahUMjRyTeQlj+ICGbdEa9OXlEqCQAN08rjWuMy8j61T5QG1 WqE7jatsJKNK0aEBPimTNQQ8Oc9dL5iZs6+RgU7YWdQ6lU5pE9rwVlw80WKhQRal4jPtnGaeT P47MDwObKbhi9gcuXI2KHEiJN6bgyIbDttC4v1KyJRAexctQ7yOYjmu+G+bviHG1GJ+bxPmeW ruUops+N9hIWG3qH3xTGkTijx0wpyGNsoBzNDzsYKMzGpAMRfkyZM/WufUp28RKBz6hKeOTb/ x1LZIATtP+/2vafh3reicT/EC2v1vboBDcRt89inR8IeRvcN/yt3PQ2au3oqHxS6UHyeb3bXt 896LZnvsd8c4m1Fbm5y4UdtK8vXEPC9MzPC8akdExtPb86o7ABMT9aPSFyK/uUvs7jWMw/IfL Tguh98eflUH3Nnv9JRi4Qe7fVfJwCtrajXJl7MyftIJVlh7+TpxfBwGIRvJ+w8aUV1HvNcg9N FndsYZC6pGutBHagws5/+7X2TaQA6G6AwgL3LOPJMNVC5LYz9gbE+V5jeEuc/Gu0dzNRaYxRf BXmF0vYOkGqC/MijpCT2qwoYZxr6MlPzOGmqflGG6qDHVMmrR1mar4MVGbnkjVCwRotY5TtaC 2uJGhfmlBrzFuYwHxSbU03FcpVZg6gLYKITXz2+1Ro3w5WfbMcG3/fHZ/7W/DAHTn2RU/zM0r mG+nUSNVuPhaJ1jgb Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >> * Would you like to extend your skills in corresponding areas anyhow? > > Sure, I'd love to. Are there any resources you'd recommend? How helpful do you find the available software documentation (and other communication interfaces)? Regards, Markus