From: Nicolas Pitre <nicolas.pitre@linaro.org>
To: Josh Triplett <josh@joshtriplett.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Kees Cook <keescook@chromium.org>,
Johannes Weiner <hannes@cmpxchg.org>,
Arnd Bergmann <arnd@arndb.de>, Ingo Molnar <mingo@kernel.org>,
Andy Lutomirski <luto@kernel.org>, Petr Mladek <pmladek@suse.com>,
Thomas Garnier <thgarnie@google.com>,
Ard Biesheuvel <ard.biesheuvel@linaro.org>,
Zefan Li <lizefan@huawei.com>, Li Bin <huawei.libin@huawei.com>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Dmitry Vyukov <dvyukov@google.com>,
Ralf Baechle <ralf@linux-mips.org>,
Alex Thorlton <athorlton@sgi.com>, Michal Hocko <mhocko@suse.com>,
Mateusz Guzik <mguzik@redhat.com>,
Cyrill Gorcunov <gorcunov@openvz.org>,
John Stultz <john.stultz@linaro.org>,
Al Viro <viro@zeniv.linux.org.uk>, Zach Brown <zab@redhat.com>,
Anna Schumaker <Anna.Schumaker@Netapp.com>,
Dave Hansen <dave.hansen@intel.com>,
linux-kernel@vger.kernel.org, linux-api@vger.kernel.org
Subject: Re: [PATCH 0/2] Support compiling out the prctl syscall
Date: Tue, 8 Nov 2016 19:30:12 -0500 (EST) [thread overview]
Message-ID: <alpine.LFD.2.20.1611081928540.11818@knanqh.ubzr> (raw)
In-Reply-To: <cover.c693f10dfc19e12c214758e4b13ca9b4e4cf9668.1478650356.git-series.josh@joshtriplett.org>
On Tue, 8 Nov 2016, Josh Triplett wrote:
> Some embedded systems can do without the prctl syscall, saving some space.
>
> This also avoids regular increases in tinyconfig size as people add more
> non-optional functionality to prctl (observed via the 0-day kernel
> infrastructure).
>
> The first patch moves prctl and all its helpers into a separate source file,
> kernel/prctl.c, to allow making it optional via the Makefile without any
> ifdefs. The second patch adds the Kconfig option to make prctl optional.
Excellent. For both patches:
Acked-by: Nicolas Pitre <nico@linaro.org>
>
> Josh Triplett (2):
> kernel: Move prctl and helpers from kernel/sys.c to new kernel/prctl.c
> kernel: Support compiling out the prctl syscall
>
> init/Kconfig | 12 +-
> kernel/Makefile | 1 +-
> kernel/prctl.c | 684 +++++++++++++++++++++++++++++++++++++++++++++++++-
> kernel/sys.c | 672 +------------------------------------------------
> kernel/sys_ni.c | 1 +-
> 5 files changed, 698 insertions(+), 672 deletions(-)
> create mode 100644 kernel/prctl.c
>
> base-commit: e3a00f68e426df24a5fb98956a1bd1b23943aa1e
> --
> git-series 0.8.11
>
prev parent reply other threads:[~2016-11-09 0:30 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-09 0:17 [PATCH 0/2] Support compiling out the prctl syscall Josh Triplett
2016-11-09 0:18 ` [PATCH 1/2] kernel: Move prctl and helpers from kernel/sys.c to new kernel/prctl.c Josh Triplett
2016-11-09 0:19 ` Andy Lutomirski
2016-11-09 7:02 ` Cyrill Gorcunov
2016-11-09 0:18 ` [PATCH 2/2] kernel: Support compiling out the prctl syscall Josh Triplett
2016-11-09 0:40 ` Kees Cook
2016-11-09 0:47 ` Josh Triplett
2016-11-09 0:56 ` Kees Cook
2016-11-09 1:08 ` Josh Triplett
2016-11-09 0:26 ` [PATCH 0/2] " Arnd Bergmann
2016-11-09 3:42 ` Josh Triplett
2016-11-09 0:30 ` Nicolas Pitre [this message]
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