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

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Message-ID: <YGSS54HiG0eFM0J0@dhcp22.suse.cz>
Date:   Wed, 31 Mar 2021 17:19:03 +0200
From:   Michal Hocko <mhocko@...e.com>
To:     "Enrico Weigelt, metux IT consult" <lkml@...ux.net>
Cc:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        carnil@...ian.org, David Hildenbrand <david@...hat.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux-MM <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>,
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        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
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Subject: Re: [PATCH RFC 0/3] drivers/char: remove /dev/kmem for good

On Wed 31-03-21 17:08:03, Enrico Weigelt, metux IT consult wrote:
> 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 <david@...hat.com> 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.
> 
> SLES, too. (but no idea since when exactly)

15-SP2 IIRC

-- 
Michal Hocko
SUSE Labs