Re: [Xen-devel] [PATCH 04/34] xen/compiler: Introduce always_unused define

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Tue, 25 Mar 2014, Julien Grall wrote:
> This define will be used to denote function which are never used but contains
                                       ^functions                      ^contain
> usefull code (e.g BUILD_BUG_ON stuff).
  ^ useful

> Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>
> Cc: Keir Fraser <keir@xxxxxxx>
> ---
>  xen/include/xen/compiler.h |    2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/xen/include/xen/compiler.h b/xen/include/xen/compiler.h
> index 6e07990..07e8b80 100644
> --- a/xen/include/xen/compiler.h
> +++ b/xen/include/xen/compiler.h
> @@ -16,6 +16,8 @@
>  
>  #define noreturn      __attribute__((noreturn))
>  
> +#define always_unused __attribute__((unused))
> +
>  #define __packed      __attribute__((packed))
>  
>  #if (!defined(__clang__) && (__GNUC__ == 4) && (__GNUC_MINOR__ < 5))
> -- 
> 1.7.10.4
> 

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