Re: [PATCH v2 1/3] xen/types: Drop #ifdefary for __{SIZE,PTRDIFF}_TYPE__

[Oleksii <oleksii.kurochko@xxxxxxxxx>]

Reviewed-by: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>

On Tue, 2023-06-27 at 08:56 +0100, Andrew Cooper wrote:
> All supported compilers have these types.
> 
> No functional change.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
> Reviewed-by: Alistair Francis <alistair.francis@xxxxxxx>
> ---
> CC: Jan Beulich <JBeulich@xxxxxxxx>
> CC: Roger Pau Monné <roger.pau@xxxxxxxxxx>
> CC: Wei Liu <wl@xxxxxxx>
> CC: Stefano Stabellini <sstabellini@xxxxxxxxxx>
> CC: Julien Grall <julien@xxxxxxx>
> CC: Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
> CC: Bertrand Marquis <bertrand.marquis@xxxxxxx>
> CC: Bob Eshleman <bobbyeshleman@xxxxxxxxx>
> CC: Alistair Francis <alistair.francis@xxxxxxx>
> CC: Connor Davis <connojdavis@xxxxxxxxx>
> CC: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
> CC: Shawn Anastasio <sanastasio@xxxxxxxxxxxxxxxxxxxxx>
> CC: Timothy Pearson <tpearson@xxxxxxxxxxxxxxxxxxxxx>
> 
> https://godbolt.org/z/Y6PWcd6js
> ---
>  xen/include/xen/types.h | 9 +--------
>  1 file changed, 1 insertion(+), 8 deletions(-)
> 
> diff --git a/xen/include/xen/types.h b/xen/include/xen/types.h
> index 6aba80500aaf..8b22a02eeaa4 100644
> --- a/xen/include/xen/types.h
> +++ b/xen/include/xen/types.h
> @@ -5,18 +5,11 @@
>  
>  #include <asm/types.h>
>  
> -#if defined(__SIZE_TYPE__)
>  typedef __SIZE_TYPE__ size_t;
> -#else
> -typedef unsigned long size_t;
> -#endif
> +
>  typedef signed long ssize_t;
>  
> -#if defined(__PTRDIFF_TYPE__)
>  typedef __PTRDIFF_TYPE__ ptrdiff_t;
> -#else
> -typedef signed long ptrdiff_t;
> -#endif
>  
>  #define BITS_TO_LONGS(bits) \
>      (((bits)+BITS_PER_LONG-1)/BITS_PER_LONG)