From: "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com>
To: Kees Cook <keescook@chromium.org>,
"Eric W. Biederman" <ebiederm@xmission.com>
Cc: mtk.manpages@gmail.com, Florian Weimer <fw@deneb.enyo.de>,
linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
linux-api@vger.kernel.org, Jann Horn <jannh@google.com>,
Arnd Bergmann <arnd@arndb.de>, Helge Deller <deller@gmx.de>
Subject: Re: [REPOST][RFC][PATCH] sysctl: Remove the sysctl system call
Date: Tue, 8 Oct 2019 12:30:35 +0200 [thread overview]
Message-ID: <4c3e4883-706e-fd1b-4f4f-0653eabeb027@gmail.com> (raw)
In-Reply-To: <201910031404.C30A0F16@keescook>
On 10/3/19 11:05 PM, Kees Cook wrote:
> On Thu, Oct 03, 2019 at 03:44:32PM -0500, Eric W. Biederman wrote:
>>
>> This system call has been deprecated almost since it was introduced, and none
>> of the common distributions enable it. The only indication that I can find that
>> anyone might care is that a few of the defconfigs in the kernel enable it. However
>> that is a small fractions of the defconfigs so I suspect it just a lack of care
>> rather than a reflection of software using the the sysctl system call.
>>
>> As there appear to be no users of the sysctl system call, remove the
>> code so that the proc filesystem can be simplified.
>
> nitpick: line lengths near 80 characters
>
>> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
>
> But, yes, I would love to see this gone. :)
>
> Reviewed-by: Kees Cook <keescook@chromium.org>
And for the record, the manual page has since 2007 documented that
this system call is likely to go away in the future.
Cheers,
Michael
--
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/
next prev parent reply other threads:[~2019-10-08 10:30 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <8736gcjosv.fsf@x220.int.ebiederm.org>
2019-10-01 18:46 ` [RFC][PATCH] sysctl: Remove the sysctl system call Kees Cook
2019-10-01 22:53 ` Eric W. Biederman
2019-10-02 0:40 ` Jann Horn
2019-10-02 7:31 ` Arnd Bergmann
2019-10-02 14:41 ` Eric W. Biederman
2019-10-02 14:49 ` Eric W. Biederman
2019-10-02 18:52 ` Helge Deller
2019-10-03 6:56 ` Florian Weimer
[not found] ` <87tv8pftjj.fsf_-_@x220.int.ebiederm.org>
2019-10-03 21:05 ` [REPOST][RFC][PATCH] " Kees Cook
2019-10-08 10:30 ` Michael Kerrisk (man-pages) [this message]
2019-10-03 21:08 ` [RFC][PATCH] " Christian Brauner
2019-10-04 7:31 ` vger mail woes? (was: Re: [RFC][PATCH] sysctl: Remove the sysctl system call) Florian Weimer
2019-10-02 16:17 ` [RFC][PATCH] sysctl: Remove the sysctl system call Andi Kleen
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