On Wed, 22 Jun 2016, Julien Grall wrote:
> The macro _AC is used to define constant for both assembly and C.
> 
> Signed-off-by: Julien Grall <julien.gr...@arm.com>

Reviewed-by: Stefano Stabellini <sstabell...@kernel.org>


>  xen/include/asm-arm/config.h | 7 +------
>  1 file changed, 1 insertion(+), 6 deletions(-)
> 
> diff --git a/xen/include/asm-arm/config.h b/xen/include/asm-arm/config.h
> index 9417be6..a96f845 100644
> --- a/xen/include/asm-arm/config.h
> +++ b/xen/include/asm-arm/config.h
> @@ -176,12 +176,7 @@
>  #define FIXMAP_ACPI_END    (FIXMAP_ACPI_BEGIN + NUM_FIXMAP_ACPI_PAGES - 1)  
> /* End mappings of ACPI tables */
>  
>  #define PAGE_SHIFT              12
> -
> -#ifndef __ASSEMBLY__
> -#define PAGE_SIZE           (1L << PAGE_SHIFT)
> -#else
> -#define PAGE_SIZE           (1 << PAGE_SHIFT)
> -#endif
> +#define PAGE_SIZE           (_AC(1,L) << PAGE_SHIFT)
>  #define PAGE_MASK           (~(PAGE_SIZE-1))
>  #define PAGE_FLAG_MASK      (~0)
>  
> -- 
> 1.9.1
> 

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