linux-kernel - [PATCH 0/1] fs: Support compiling out the pivot

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Date:   Sat, 25 Feb 2017 19:54:46 -0500
From:   Brian Ashworth <bosrsf04@...il.com>
To:     Alexander Viro <viro@...iv.linux.org.uk>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Kees Cook <keescook@...omium.org>,
        Arnd Bergmann <arnd@...db.de>, Ingo Molnar <mingo@...nel.org>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Andy Lutomirski <luto@...nel.org>,
        Nicolas Pitre <nicolas.pitre@...aro.org>,
        Petr Mladek <pmladek@...e.com>, Helge Deller <deller@....de>,
        Rik van Riel <riel@...hat.com>,
        Thomas Garnier <thgarnie@...gle.com>,
        Parav Pandit <pandit.parav@...il.com>,
        "seokhoon . yoon" <iamyooon@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Dave Hansen <dave.hansen@...el.com>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     josh@...htriplett.org, brkkurek192@...il.com, conorcurry@...il.com,
        fanofbond138@...il.com, Brian Ashworth <bosrsf04@...il.com>
Subject: [PATCH 0/1] fs: Support compiling out the pivot_root syscall

This patch will allow for the pivot_root syscall to be made
optional. Based on feedback, this patch uses an ifdef in the
source rather than conditional compilation in the Makefile.

The pivot_root syscall is not needed on systems that do not use
any intermediate filesystem. Allowing for pivot_root to be
ommitted from the kernel will aid in the tinification efforts.

Brian Ashworth (1):
  Allows for the pivot_root syscall to be optional

 fs/namespace.c  |  2 ++
 init/Kconfig    | 10 ++++++++++
 kernel/sys_ni.c |  1 +
 3 files changed, 13 insertions(+)

-- 
2.11.1