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[23.128.96.18]) by mx.google.com with ESMTP id n19si1941299edr.388.2021.03.31.08.24.33; Wed, 31 Mar 2021 08:24:56 -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; 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 S235618AbhCaPVP (ORCPT + 99 others); Wed, 31 Mar 2021 11:21:15 -0400 Received: from mout.kundenserver.de ([212.227.126.133]:36397 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236167AbhCaPVL (ORCPT ); Wed, 31 Mar 2021 11:21:11 -0400 Received: from [192.168.1.155] ([77.4.59.177]) by mrelayeu.kundenserver.de (mreue009 [212.227.15.167]) with ESMTPSA (Nemesis) id 1N6KML-1lhFle26f3-016hMd; Wed, 31 Mar 2021 17:18:31 +0200 Subject: Re: [PATCH v1 0/3] drivers/char: remove /dev/kmem for good To: Andrew Morton , David Hildenbrand Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, "Alexander A. Klimov" , Alexander Viro , Alexandre Belloni , Andrew Lunn , Andrey Zhizhikin , Arnd Bergmann , Benjamin Herrenschmidt , Brian Cain , Christian Borntraeger , Christophe Leroy , Chris Zankel , Corentin Labbe , "David S. Miller" , "Eric W. Biederman" , Geert Uytterhoeven , Gerald Schaefer , Greentime Hu , Greg Kroah-Hartman , Gregory Clement , Heiko Carstens , Helge Deller , Hillf Danton , huang ying , Ingo Molnar , Ivan Kokshaysky , "James E.J. Bottomley" , James Troup , Jiaxun Yang , Jonas Bonn , Jonathan Corbet , Kairui Song , Krzysztof Kozlowski , Kuninori Morimoto , Linus Torvalds , Linux API , Liviu Dudau , Lorenzo Pieralisi , Luc Van Oostenryck , Luis Chamberlain , Matthew Wilcox , Matt Turner , Max Filippov , Michael Ellerman , Michal Hocko , Mike Rapoport , Mikulas Patocka , Minchan Kim , Niklas Schnelle , Oleksiy Avramchenko , Palmer Dabbelt , Paul Mackerras , "Pavel Machek (CIP)" , Pavel Machek , "Peter Zijlstra (Intel)" , Pierre Morel , Randy Dunlap , Richard Henderson , Rich Felker , Robert Richter , Rob Herring , Russell King , Sam Ravnborg , Sebastian Andrzej Siewior , Sebastian Hesselbarth , Stafford Horne , Stefan Kristiansson , Steven Rostedt , Sudeep Holla , Theodore Dubois , Thomas Bogendoerfer , Thomas Gleixner , Vasily Gorbik , Viresh Kumar , William Cohen , Xiaoming Ni , Yoshinori Sato References: <20210324102351.6932-1-david@redhat.com> <20210324122412.e77247e6d3259d5493951019@linux-foundation.org> From: "Enrico Weigelt, metux IT consult" Message-ID: <96217148-3104-410f-a765-72565ec46c9f@metux.net> Date: Wed, 31 Mar 2021 17:18:13 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.9.0 MIME-Version: 1.0 In-Reply-To: <20210324122412.e77247e6d3259d5493951019@linux-foundation.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: tl Content-Transfer-Encoding: 8bit X-Provags-ID: V03:K1:VfyGJx6Kl38NiTptnjW3K10nVzgYxIK8cs0hHkREs3FHQJsYUzp Wwx4CLOohzFUI1f1nKfkOSZwrXbXzZis2skwvyYhEeCHAspoX/OHyW23B058DaozKIutafE RSAL9geaw+/9+9vrkJIUdhjYie7dIhZTPjgXgqaRg2ssWV6pq8U4x9hDZGBnqFyEkV52hu3 ZlT4oTDCAC9+DCSMSIg5w== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:npk68NHKQ78=:22Pdn/EmXUk4GSszcJcY8V ikE19qv26vOphPBgZhBKpWAZli3GdkyjclfZTMaekBwday1DA2ILKN8zX8jxNeCuqx+QSueBK QXXt9Gx9yQyTPoetkWN+5JSiNmgOd8lDN4AQqFGv7Qs04vQRyWJghIE54EkIGfAx602nqw+nI E3nB809vwyVp/T9Qb5Lv/ZgGQajrsWkgu+5OhKkH4EdKmNh3IGtyVUYHb+W7vQnAeSU372Lpf j9OvV49plSUMrRv5Oa0F4Eee90ponbTbIwsBmGaidcFGDB8TzIwZovV10mMFbeoCto2fwt25v vDT30jWTQ7gHhOWh0mq5iNkxXbbLkDxDC/TEGa9y2UMT9M+NKSLQtIMxlGfo0JyodIEBni+b2 BQRDqz+iD+HGK440usz3MwcXRCJD1D1xI10bs628FA73DXT9jmVlOEdfhrfLVVDEfber0j9xA ydWMLwuQfCF5l9tzl0E0FdhrbQVQ/SPwcqPUVh9mlIvgam6WC/nf Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 24.03.21 20:24, Andrew Morton wrote: > We do tend to think about distros. I bet there are a number of weird > embedded type systems using /dev/kmem - it's amazing what sorts of > hacks those people will put up with the get something out the door. There certainly are (seen lots of such crap), another good reason for kicking it out asap. > But those systems tend to carry a lot of specialized changes anyway, so > they can just add "revert David's patch" to their pile. Often those kind of people aren't capable of that. If anyone finds such systems, report them to cert, bsi, fd, ... --mtx -- --- Hinweis: unverschlüsselte E-Mails können leicht abgehört und manipuliert werden ! Für eine vertrauliche Kommunikation senden Sie bitte ihren GPG/PGP-Schlüssel zu. --- Enrico Weigelt, metux IT consult Free software and Linux embedded engineering info@metux.net -- +49-151-27565287