Re: [PATCH -next] powerpc/perf/hv-24x7: Make some symbols static

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On 4/9/21 2:31 PM, Bixuan Cui wrote:
> The sparse tool complains as follows:
> 
> arch/powerpc/perf/hv-24x7.c:229:1: warning:
>  symbol '__pcpu_scope_hv_24x7_txn_flags' was not declared. Should it be static?
> arch/powerpc/perf/hv-24x7.c:230:1: warning:
>  symbol '__pcpu_scope_hv_24x7_txn_err' was not declared. Should it be static?
> arch/powerpc/perf/hv-24x7.c:236:1: warning:
>  symbol '__pcpu_scope_hv_24x7_hw' was not declared. Should it be static?
> arch/powerpc/perf/hv-24x7.c:244:1: warning:
>  symbol '__pcpu_scope_hv_24x7_reqb' was not declared. Should it be static?
> arch/powerpc/perf/hv-24x7.c:245:1: warning:
>  symbol '__pcpu_scope_hv_24x7_resb' was not declared. Should it be static?
> 
> This symbol is not used outside of hv-24x7.c, so this
> commit marks it static.

Patch looks good to me.

Reviewed-By: Kajol Jain<kjain@xxxxxxxxxxxxx>

Thanks,
Kajol jain

> 
> Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
> Signed-off-by: Bixuan Cui <cuibixuan@xxxxxxxxxx>
> ---
>  arch/powerpc/perf/hv-24x7.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c
> index e5eb33255066..1816f560a465 100644
> --- a/arch/powerpc/perf/hv-24x7.c
> +++ b/arch/powerpc/perf/hv-24x7.c
> @@ -226,14 +226,14 @@ static struct attribute_group event_long_desc_group = {
>  
>  static struct kmem_cache *hv_page_cache;
>  
> -DEFINE_PER_CPU(int, hv_24x7_txn_flags);
> -DEFINE_PER_CPU(int, hv_24x7_txn_err);
> +static DEFINE_PER_CPU(int, hv_24x7_txn_flags);
> +static DEFINE_PER_CPU(int, hv_24x7_txn_err);
>  
>  struct hv_24x7_hw {
>  	struct perf_event *events[255];
>  };
>  
> -DEFINE_PER_CPU(struct hv_24x7_hw, hv_24x7_hw);
> +static DEFINE_PER_CPU(struct hv_24x7_hw, hv_24x7_hw);
>  
>  /*
>   * request_buffer and result_buffer are not required to be 4k aligned,
> @@ -241,8 +241,8 @@ DEFINE_PER_CPU(struct hv_24x7_hw, hv_24x7_hw);
>   * the simplest way to ensure that.
>   */
>  #define H24x7_DATA_BUFFER_SIZE	4096
> -DEFINE_PER_CPU(char, hv_24x7_reqb[H24x7_DATA_BUFFER_SIZE]) __aligned(4096);
> -DEFINE_PER_CPU(char, hv_24x7_resb[H24x7_DATA_BUFFER_SIZE]) __aligned(4096);
> +static DEFINE_PER_CPU(char, hv_24x7_reqb[H24x7_DATA_BUFFER_SIZE]) __aligned(4096);
> +static DEFINE_PER_CPU(char, hv_24x7_resb[H24x7_DATA_BUFFER_SIZE]) __aligned(4096);
>  
>  static unsigned int max_num_requests(int interface_version)
>  {
> 



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