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=-7.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 D394AC433DB for ; Mon, 22 Mar 2021 09:58:20 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 68B6E6192A for ; Mon, 22 Mar 2021 09:58:20 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 68B6E6192A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 239036B0096; Mon, 22 Mar 2021 05:39:29 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 1E8AF6B009A; Mon, 22 Mar 2021 05:39:29 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id F30AD6B009F; Mon, 22 Mar 2021 05:39:28 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0045.hostedemail.com [216.40.44.45]) by kanga.kvack.org (Postfix) with ESMTP id D4F2B6B0096 for ; Mon, 22 Mar 2021 05:39:28 -0400 (EDT) Received: from smtpin02.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 446001DF4 for ; Mon, 22 Mar 2021 09:58:19 +0000 (UTC) X-FDA: 77947059918.02.74DF585 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by imf18.hostedemail.com (Postfix) with ESMTP id B60C12000242 for ; Mon, 22 Mar 2021 09:58:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1616407098; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=U3CiK0/VZwce2e6BZhquN5P+HHtfDmL7cXJWwXvfT2A=; b=R2AWtnfjM2PB5iQDHkACoXE7Lct7ebcuyQwfUEhWgaXwPWKACd/7gcztKu+VBB1ZhZu35f mVpHF7esKLcRZKBRtj5NET4y5l6oImBlLmxGv277fDj/DZtSszoTDG+rU8CRY0A5V+4eYH ie0QoFyat9ObPDGJ+DiSf1/B3MKcztU= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-153-qovdiVSSNLiprCPpDrs_Ag-1; Mon, 22 Mar 2021 05:58:15 -0400 X-MC-Unique: qovdiVSSNLiprCPpDrs_Ag-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 8BD9B835B47; Mon, 22 Mar 2021 09:58:08 +0000 (UTC) Received: from [10.36.115.54] (ovpn-115-54.ams2.redhat.com [10.36.115.54]) by smtp.corp.redhat.com (Postfix) with ESMTP id 905D56A03C; Mon, 22 Mar 2021 09:57:42 +0000 (UTC) Subject: Re: [PATCH RFC 0/3] drivers/char: remove /dev/kmem for good To: Linus Torvalds Cc: 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 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: <20210319143452.25948-1-david@redhat.com> From: David Hildenbrand Organization: Red Hat GmbH Message-ID: <97d30137-61ce-ca1b-221b-2bc5210eb259@redhat.com> Date: Mon, 22 Mar 2021 10:57:41 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.0 MIME-Version: 1.0 In-Reply-To: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=david@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Stat-Signature: ycaykrucqin57cz6w387a9c11oy1pszx X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: B60C12000242 Received-SPF: none (redhat.com>: No applicable sender policy available) receiver=imf18; identity=mailfrom; envelope-from=""; helo=us-smtp-delivery-124.mimecast.com; client-ip=216.205.24.124 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1616407098-134484 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 18:14, 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. > Thanks, let's wait if someone speaks up. I'll add any details that come up to patch #1 and resend before the next merge window, properly compile-testing on other archs. -- Thanks, David / dhildenb