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SubjectRe: [PATCH v9 11/13] powerpc: select HAVE_SECCOMP_FILTER and provide seccomp_execve
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On Thu, 2011-06-23 at 19:36 -0500, Will Drewry wrote:
> Facilitate the use of CONFIG_SECCOMP_FILTER by wrapping compatibility
> system call numbering for execve and selecting HAVE_SECCOMP_FILTER.
>
> v9: rebase on to bccaeafd7c117acee36e90d37c7e05c19be9e7bf
>
> Signed-off-by: Will Drewry <wad@chromium.org>

Seen these around for a while ... :-)

I don't see a harm in the patches per-se tho I haven't reviewed the
actual seccomp filter stuff and it's good (or bad) behaviour on ppc.

Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

Cheers,
Ben.

> ---
> arch/powerpc/Kconfig | 1 +
> arch/powerpc/include/asm/seccomp.h | 2 ++
> 2 files changed, 3 insertions(+), 0 deletions(-)
>
> diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
> index 2729c66..030d392 100644
> --- a/arch/powerpc/Kconfig
> +++ b/arch/powerpc/Kconfig
> @@ -129,6 +129,7 @@ config PPC
> select HAVE_HW_BREAKPOINT if PERF_EVENTS && PPC_BOOK3S_64
> select HAVE_GENERIC_HARDIRQS
> select HAVE_SPARSE_IRQ
> + select HAVE_SECCOMP_FILTER
> select IRQ_PER_CPU
> select GENERIC_IRQ_SHOW
> select GENERIC_IRQ_SHOW_LEVEL
> diff --git a/arch/powerpc/include/asm/seccomp.h b/arch/powerpc/include/asm/seccomp.h
> index 00c1d91..3cb9cc1 100644
> --- a/arch/powerpc/include/asm/seccomp.h
> +++ b/arch/powerpc/include/asm/seccomp.h
> @@ -7,10 +7,12 @@
> #define __NR_seccomp_write __NR_write
> #define __NR_seccomp_exit __NR_exit
> #define __NR_seccomp_sigreturn __NR_rt_sigreturn
> +#define __NR_seccomp_execve __NR_execve
>
> #define __NR_seccomp_read_32 __NR_read
> #define __NR_seccomp_write_32 __NR_write
> #define __NR_seccomp_exit_32 __NR_exit
> #define __NR_seccomp_sigreturn_32 __NR_sigreturn
> +#define __NR_seccomp_execve_32 __NR_execve
>
> #endif /* _ASM_POWERPC_SECCOMP_H */




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