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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,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 68E92C433B4 for ; Wed, 31 Mar 2021 15:09:29 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id C125060FD7 for ; Wed, 31 Mar 2021 15:09:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C125060FD7 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=metux.net Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 172CC6B0083; Wed, 31 Mar 2021 11:09:28 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 14A696B0089; Wed, 31 Mar 2021 11:09:28 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id F05D16B008A; Wed, 31 Mar 2021 11:09:27 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0075.hostedemail.com [216.40.44.75]) by kanga.kvack.org (Postfix) with ESMTP id D4D406B0083 for ; Wed, 31 Mar 2021 11:09:27 -0400 (EDT) Received: from smtpin25.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 950771730866 for ; Wed, 31 Mar 2021 15:09:27 +0000 (UTC) X-FDA: 77980503174.25.66DB6FD Received: from mout.kundenserver.de (mout.kundenserver.de [212.227.126.134]) by imf24.hostedemail.com (Postfix) with ESMTP id 9BFC7A000382 for ; Wed, 31 Mar 2021 15:09:25 +0000 (UTC) Received: from [192.168.1.155] ([77.4.59.177]) by mrelayeu.kundenserver.de (mreue010 [212.227.15.167]) with ESMTPSA (Nemesis) id 1N1OsF-1ldQAY0W9z-012smt; Wed, 31 Mar 2021 17:08:21 +0200 Subject: Re: [PATCH RFC 0/3] drivers/char: remove /dev/kmem for good To: Sebastian Andrzej Siewior , Linus Torvalds , carnil@debian.org Cc: David Hildenbrand , Linux Kernel Mailing List , Linux-MM , "Alexander A. Klimov" , Alexander Viro , Alexandre Belloni , Andrew Lunn , Andrew Morton , 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" , Jiaxun Yang , Jonas Bonn , Jonathan Corbet , Kairui Song , Krzysztof Kozlowski , Kuninori Morimoto , 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 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: <20210319143452.25948-1-david@redhat.com> <20210319173334.pwkuj5np5ixwmtug@linutronix.de> From: "Enrico Weigelt, metux IT consult" Message-ID: Date: Wed, 31 Mar 2021 17:08:03 +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: <20210319173334.pwkuj5np5ixwmtug@linutronix.de> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: tl X-Provags-ID: V03:K1:NovW3JxGTDnwNoX8z11i7Qai9NMNdLjbbHxHpmU3YZzCMtybqZd yLm4MZ7QANLpJ5UiTNQSzHFfCeioM6WJVyU7OZfjnpfvv1P5kDNWPKYM+yanZQI/xQk6pEz n5M1ef3viMmEZF8lRWCbzppAlaJdojVqJzjUoDYnsSuOtjGA+8AynOVWhdj7fiSC1pyonk1 A1/b/YVuE+aw+MqjqKlFQ== X-UI-Out-Filterresults: notjunk:1;V03:K0:GVn3kEhfAUs=:scsDeyIwHfX6aX05tC1oKm cW6nGO6eITFlaj9OIXEB77gyjNq3cfB9zpf6Q4Vx8ThjYmSH52i1UoJ0XLjCZXA+DYHWJsIEM l9CjmHG1cmLhKLbCReyFzMVuQUpZkt0Z6wVXHU1zMAWdUNjTwuHa61gZImwoS1BwTCYGH1hPK XJ2eUjOo3PSQepLmOZg1FcvaJOliITh/TNU2vZriVTHJS/yWO1rsZFu0aZ78xRAK/Qv7pn1lh FcTwZXqNM47B5atRCP9cKZmB8qXydvA06AN4yeFvcEK967k3zYFPUxHFs0QGXNcVqytEmmqdr 5Uy8Q5zZ8SZ7OrJjPOG3YKezsX3nKJjTSdFGSYbjqWjaGJJenXbbqcH8kzMlW1pyeNA3zheP8 ovRQc96zO6LnD1cWsAUXFigjfIUwJotOGS55qjFUsHhS05Kx46dsDxX50yZe+OIJAS50uJ0Qh caURffhjxM7ob9kSOWVdZ/d1aSV6f4Yx7NdcOHP5s+PwgxHl5nji X-Rspamd-Queue-Id: 9BFC7A000382 X-Stat-Signature: 9db7nxtm1tabfoyt4hwgsubk7jzdqmrj X-Rspamd-Server: rspam02 Received-SPF: none (metux.net>: No applicable sender policy available) receiver=imf24; identity=mailfrom; envelope-from=""; helo=mout.kundenserver.de; client-ip=212.227.126.134 X-HE-DKIM-Result: none/none X-HE-Tag: 1617203365-792071 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 19.03.21 18:33, Sebastian Andrzej Siewior wrote: > On 2021-03-19 10:14:02 [-0700], Linus Torvalds wrote: >> On Fri, Mar 19, 2021 at 7:35 AM David Hildenbrand w= rote: >>> >>> Let's start a discussion if /dev/kmem is worth keeping around and >>> fixing/maintaining or if we should just remove it now for good. >> >> I'll happily do this for the next merge window, but would really want >> distros to confirm that they don't enable it. >> >> I can confirm that it's certainly not enabled on any of the machines I >> have, but.. >=20 > Debian has CONFIG_DEVKMEM disabled since 2.6.31. SLES, too. (but no idea since when exactly) --mtx --=20 --- Hinweis: unverschl=C3=BCsselte E-Mails k=C3=B6nnen leicht abgeh=C3=B6rt u= nd manipuliert werden ! F=C3=BCr eine vertrauliche Kommunikation senden Sie bitte ihren GPG/PGP-Schl=C3=BCssel zu. --- Enrico Weigelt, metux IT consult Free software and Linux embedded engineering info@metux.net -- +49-151-27565287