linux-kernel - Re: [PATCH RFC 0/3] drivers/char: remove /dev/kmem for good

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Tue, 23 Mar 2021 14:44:20 +0100
From:   David Hildenbrand <david@...hat.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        "Alexander A. Klimov" <grandmaster@...klimov.de>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Andrew Lunn <andrew@...n.ch>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Andrey Zhizhikin <andrey.zhizhikin@...ca-geosystems.com>,
        Arnd Bergmann <arnd@...db.de>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Brian Cain <bcain@...eaurora.org>,
        Christian Borntraeger <borntraeger@...ibm.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Chris Zankel <chris@...kel.net>,
        Corentin Labbe <clabbe@...libre.com>,
        "David S. Miller" <davem@...emloft.net>,
        "Eric W. Biederman" <ebiederm@...ssion.com>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Gerald Schaefer <gerald.schaefer@...ux.ibm.com>,
        Greentime Hu <green.hu@...il.com>,
        Gregory Clement <gregory.clement@...tlin.com>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Helge Deller <deller@....de>, Hillf Danton <hdanton@...a.com>,
        huang ying <huang.ying.caritas@...il.com>,
        Ingo Molnar <mingo@...nel.org>,
        Ivan Kokshaysky <ink@...assic.park.msu.ru>,
        "James E.J. Bottomley" <James.Bottomley@...senpartnership.com>,
        Jiaxun Yang <jiaxun.yang@...goat.com>,
        Jonas Bonn <jonas@...thpole.se>,
        Jonathan Corbet <corbet@....net>,
        Kairui Song <kasong@...hat.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Linux API <linux-api@...r.kernel.org>,
        Liviu Dudau <liviu.dudau@....com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Luc Van Oostenryck <luc.vanoostenryck@...il.com>,
        Luis Chamberlain <mcgrof@...nel.org>,
        Matthew Wilcox <willy@...radead.org>,
        Matt Turner <mattst88@...il.com>,
        Max Filippov <jcmvbkbc@...il.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Michal Hocko <mhocko@...e.com>,
        Mike Rapoport <rppt@...nel.org>,
        Mikulas Patocka <mpatocka@...hat.com>,
        Minchan Kim <minchan@...nel.org>,
        Niklas Schnelle <schnelle@...ux.ibm.com>,
        Oleksiy Avramchenko <oleksiy.avramchenko@...ymobile.com>,
        Palmer Dabbelt <palmerdabbelt@...gle.com>,
        Paul Mackerras <paulus@...ba.org>,
        "Pavel Machek (CIP)" <pavel@...x.de>, Pavel Machek <pavel@....cz>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Pierre Morel <pmorel@...ux.ibm.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Richard Henderson <rth@...ddle.net>,
        Rich Felker <dalias@...c.org>,
        Robert Richter <rric@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Sam Ravnborg <sam@...nborg.org>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Stafford Horne <shorne@...il.com>,
        Stefan Kristiansson <stefan.kristiansson@...nalahti.fi>,
        Steven Rostedt <rostedt@...dmis.org>,
        Sudeep Holla <sudeep.holla@....com>,
        Theodore Dubois <tblodt@...oud.com>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Thomas Gleixner <tglx@...utronix.de>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        William Cohen <wcohen@...hat.com>,
        Xiaoming Ni <nixiaoming@...wei.com>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>
Subject: Re: [PATCH RFC 0/3] drivers/char: remove /dev/kmem for good

On 23.03.21 14:16, Greg Kroah-Hartman wrote:
> On Fri, Mar 19, 2021 at 03:34:49PM +0100, 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.
>>
>> More details / findings in patch #1. Patch #2 and #3 perform minor cleanups
>> based on removed /dev/kmem support.
>>
>> Only compile-tested on x86-64 -- good enough for discussing the general
>> topic (RFC).
> 
> I'll gladly take this in my char/misc tree for now, to show up in
> linux-next to get some testing to see if anyone complains.
> 
> Let me know if that will help out.

Sure! I'll resend as v1 this week (also removing vwrite() from nommu 
code in patch #3).

Thanks

-- 
Thanks,

David / dhildenb