Re: [PATCH 05/13] s390: removing redundant ifdefs

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On Thu, May 06, 2010 at 07:36:09PM +0200, Jiri Olsa wrote:
> wbr,
> jirka
> 
> 
> Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
> ---
>  arch/s390/include/asm/processor.h |    5 -----
>  arch/s390/kernel/vdso.c           |    4 ----
>  2 files changed, 0 insertions(+), 9 deletions(-)
> 
> diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
> index 73e2598..ced1714 100644
> --- a/arch/s390/include/asm/processor.h
> +++ b/arch/s390/include/asm/processor.h
> @@ -52,8 +52,6 @@ extern int get_cpu_capability(unsigned int *);
> 
>  #endif /* __s390x__ */
> 
> -#ifdef __KERNEL__
> -
>  #ifndef __s390x__
>  #define STACK_TOP		(1UL << 31)
>  #define STACK_TOP_MAX		(1UL << 31)
> @@ -62,9 +60,6 @@ extern int get_cpu_capability(unsigned int *);
>  #define STACK_TOP_MAX		(1UL << 42)
>  #endif /* __s390x__ */
> 
> -
> -#endif
> -

Dunno. This looks a bit pointless. After all any ifdef __KERNEL__ is not
needed for this header file since its not exported.
So removing this ifdef and keep the other one doesn't make too much sense.

> diff --git a/arch/s390/kernel/vdso.c b/arch/s390/kernel/vdso.c
> index 6bc9c19..6b83870 100644
> --- a/arch/s390/kernel/vdso.c
> +++ b/arch/s390/kernel/vdso.c
> @@ -102,11 +102,7 @@ static void vdso_init_per_cpu_data(int cpu, struct vdso_per_cpu_data *vpcd)
>  /*
>   * Allocate/free per cpu vdso data.
>   */
> -#ifdef CONFIG_64BIT
>  #define SEGMENT_ORDER	2
> -#else
> -#define SEGMENT_ORDER	1
> -#endif

An identical patch for this hunk is alread pending in the git s390 tree.
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