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Subject: Re: [RFC][PATCH] sysctl: Remove the sysctl system call
To:     "Eric W. Biederman" <ebiederm@xmission.com>,
        Kees Cook <keescook@chromium.org>
Cc:     linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
        linux-api@vger.kernel.org,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Andi Kleen <andi@firstfloor.org>,
        Andi Kleen <ak@linux.intel.com>,
        Cong Wang <xiyou.wangcong@gmail.com>,
        Luis Chamberlain <mcgrof@kernel.org>,
        Apelete Seketeli <apelete@seketeli.net>,
        Arnd Bergmann <arnd@arndb.de>,
        Chee Nouk Phoon <cnphoon@altera.com>,
        Chris Zankel <chris@zankel.net>,
        Christian Ruppert <christian.ruppert@abilis.com>,
        Greg Ungerer <gerg@uclinux.org>,
        Hongliang Tao <taohl@lemote.com>,
        Huacai Chen <chenhc@lemote.com>,
        Jonas Jensen <jonas.jensen@gmail.com>,
        Josh Boyer <jwboyer@gmail.com>, Jun Nie <jun.nie@linaro.org>,
        Lars-Peter Clausen <lars@metafoo.de>,
        Ley Foon Tan <lftan@altera.com>,
        Linus Walleij <linus.walleij@linaro.org>,
        Max Filippov <jcmvbkbc@gmail.com>,
        Olof Johansson <olof@lixom.net>,
        Paul Burton <paul.burton@mips.com>,
        Phil Edworthy <phil.edworthy@renesas.com>,
        Pierrick Hascoet <pierrick.hascoet@abilis.com>,
        Ralf Baechle <ralf@linux-mips.org>,
        Roland Stigge <stigge@antcom.de>,
        Vineet Gupta <vgupta@synopsys.com>
References: <8736gcjosv.fsf@x220.int.ebiederm.org>
 <201910011140.EA0181F13@keescook> <87imp8hyc8.fsf@x220.int.ebiederm.org>
From:   Helge Deller <deller@gmx.de>
Message-ID: <1dc9f6c4-d1ff-8add-4d42-1c2d1ae685f6@gmx.de>
Date:   Wed, 2 Oct 2019 20:52:22 +0200
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On 02.10.19 00:53, Eric W. Biederman wrote:
> Kees Cook <keescook@chromium.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