Re: [Xen-devel] [PATCH for-next] xen/arm: Remove unused helpers access_ok and array_access_ok

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Tue, 23 May 2017, Julien Grall wrote:
> Both helpers access_ok and array_access_ok are not used on ARM. Remove
> them.
> 
> Signed-off-by: Julien Grall <julien.grall@xxxxxxx>

Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>

> ---
>  xen/include/asm-arm/guest_access.h | 7 -------
>  1 file changed, 7 deletions(-)
> 
> diff --git a/xen/include/asm-arm/guest_access.h 
> b/xen/include/asm-arm/guest_access.h
> index 421bca5f36..251e935597 100644
> --- a/xen/include/asm-arm/guest_access.h
> +++ b/xen/include/asm-arm/guest_access.h
> @@ -4,13 +4,6 @@
>  #include <xen/guest_access.h>
>  #include <xen/errno.h>
>  
> -/* Guests have their own comlete address space */
> -#define access_ok(addr,size) (1)
> -
> -#define array_access_ok(addr,count,size) \
> -    (likely((count) < (~0UL / (size))) && \
> -     access_ok(addr, 0 + (count) * (size)))
> -
>  unsigned long raw_copy_to_guest(void *to, const void *from, unsigned len);
>  unsigned long raw_copy_to_guest_flush_dcache(void *to, const void *from,
>                                               unsigned len);
> -- 
> 2.11.0
> 

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