linux-kernel - Re: [RFC][PATCH] sysctl: Remove the sysctl system call

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Date:   Wed, 2 Oct 2019 20:52:22 +0200
From:   Helge Deller <deller@....de>
To:     "Eric W. Biederman" <ebiederm@...ssion.com>,
        Kees Cook <keescook@...omium.org>
Cc:     linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
        linux-api@...r.kernel.org,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andi Kleen <andi@...stfloor.org>,
        Andi Kleen <ak@...ux.intel.com>,
        Cong Wang <xiyou.wangcong@...il.com>,
        Luis Chamberlain <mcgrof@...nel.org>,
        Apelete Seketeli <apelete@...eteli.net>,
        Arnd Bergmann <arnd@...db.de>,
        Chee Nouk Phoon <cnphoon@...era.com>,
        Chris Zankel <chris@...kel.net>,
        Christian Ruppert <christian.ruppert@...lis.com>,
        Greg Ungerer <gerg@...inux.org>,
        Hongliang Tao <taohl@...ote.com>,
        Huacai Chen <chenhc@...ote.com>,
        Jonas Jensen <jonas.jensen@...il.com>,
        Josh Boyer <jwboyer@...il.com>, Jun Nie <jun.nie@...aro.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Ley Foon Tan <lftan@...era.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Max Filippov <jcmvbkbc@...il.com>,
        Olof Johansson <olof@...om.net>,
        Paul Burton <paul.burton@...s.com>,
        Phil Edworthy <phil.edworthy@...esas.com>,
        Pierrick Hascoet <pierrick.hascoet@...lis.com>,
        Ralf Baechle <ralf@...ux-mips.org>,
        Roland Stigge <stigge@...com.de>,
        Vineet Gupta <vgupta@...opsys.com>
Subject: Re: [RFC][PATCH] sysctl: Remove the sysctl system call

On 02.10.19 00:53, Eric W. Biederman wrote:
> Kees Cook <keescook@...omium.org> writes:
>>> As there appear to be no users of the sysctl system call, remove the
>>> code....>...
> I copied everyone who had put this into a defconfig and I will wait a
> little more to see if anyone screams.  I think it is a safe guess that
> several of the affected configurations are dead (or at least
> unmaintained) as I received 17 bounces when copying everyone.

  arch/parisc/configs/c8000_defconfig         |    1 -
  arch/parisc/configs/generic-32bit_defconfig |    1 -

I'm not aware that we require the sysctl syscall somewhere on parisc,
so I think it's safe to remove the code.

Helge