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[209.85.167.41]) by smtp.gmail.com with ESMTPSA id l29sm693781lfp.63.2021.03.19.10.22.43 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 19 Mar 2021 10:22:43 -0700 (PDT) Received: by mail-lf1-f41.google.com with SMTP id o10so11149845lfb.9 for ; Fri, 19 Mar 2021 10:22:43 -0700 (PDT) X-Received: by 2002:a05:6512:3ba9:: with SMTP id g41mr1318559lfv.421.1616174058718; Fri, 19 Mar 2021 10:14:18 -0700 (PDT) MIME-Version: 1.0 References: <20210319143452.25948-1-david@redhat.com> In-Reply-To: <20210319143452.25948-1-david@redhat.com> From: Linus Torvalds Date: Fri, 19 Mar 2021 10:14:02 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH RFC 0/3] drivers/char: remove /dev/kmem for good To: David Hildenbrand 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 Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-api@vger.kernel.org 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.. Linus