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 <w...@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 <b...@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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