Re: [PATCH 0/2] Support compiling out the prctl syscall

Nicolas Pitre
2016-11-09T00:30:19Z

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
>