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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 5F95DC433C1 for ; Fri, 19 Mar 2021 17:34:15 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id E099961925 for ; Fri, 19 Mar 2021 17:34:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E099961925 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linutronix.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 4E00C6B0073; Fri, 19 Mar 2021 13:34:14 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 4902C6B0074; Fri, 19 Mar 2021 13:34:14 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 2BBAF6B0075; Fri, 19 Mar 2021 13:34:14 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0152.hostedemail.com [216.40.44.152]) by kanga.kvack.org (Postfix) with ESMTP id 101486B0073 for ; Fri, 19 Mar 2021 13:34:14 -0400 (EDT) Received: from smtpin10.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id C0F7E8249980 for ; Fri, 19 Mar 2021 17:34:13 +0000 (UTC) X-FDA: 77937322386.10.4C39206 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by imf19.hostedemail.com (Postfix) with ESMTP id EC95A9001148 for ; Fri, 19 Mar 2021 17:34:02 +0000 (UTC) Date: Fri, 19 Mar 2021 18:33:34 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1616175217; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=Qom+SgT5mwuR2EmRL8QzxTywQqwlmY8KfEx6QwWe5as=; b=P3nbSmCF10XYyR1hLXx+JbyuzoPEx0iC/JvAG3i4rVNQgXc3TpVoNO9S5eSs5dMmR99ev/ PsvPQEcPebWyuXbpw/SSZR9RG9t3dyJFAZVGvgL9q6yys15WVk7UDoV/arqq5Xl1x092km kII6Y2NLhFCVK1ajs1SIMvG0ft1rXjmGn0GJpyL6cqPC0ZMZTLOkdrscxt9VpF8MYFDCyz 97FQG7wkVEGJWQJ76GXegVWze67UMhbm4oPt/V6Jsncy/c4O3fM5AxMOQcIoHGs8Aw58jM Dcs7YcitJvq+Z/WXIdYxMi+z2EkSziuYE8vsUi+ZnlQAnYraPIbrA+HFUUt0Pw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1616175217; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=Qom+SgT5mwuR2EmRL8QzxTywQqwlmY8KfEx6QwWe5as=; b=KKWYoSPYUeQABlnKDRslrKDTB7Ap/5vph4jAjHWdLm7twI6hJVz+3WmGBOVc2OHkXsoxvo X6CAk10+tpATJeBA== From: Sebastian Andrzej Siewior To: 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 Subject: Re: [PATCH RFC 0/3] drivers/char: remove /dev/kmem for good Message-ID: <20210319173334.pwkuj5np5ixwmtug@linutronix.de> References: <20210319143452.25948-1-david@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-Stat-Signature: zxb57nbw34xagh9ei3b9w91ij5u465kx X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: EC95A9001148 Received-SPF: none (linutronix.de>: No applicable sender policy available) receiver=imf19; identity=mailfrom; envelope-from=""; helo=galois.linutronix.de; client-ip=193.142.43.55 X-HE-DKIM-Result: invalid/invalid (public key: DNS error: SERVFAIL) X-HE-Tag: 1616175242-759555 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 2021-03-19 10:14:02 [-0700], Linus Torvalds wrote: > On Fri, Mar 19, 2021 at 7:35 AM David Hildenbrand wrote: > > > > 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.. Debian has CONFIG_DEVKMEM disabled since 2.6.31. > Linus Sebastian