Re: [Xen-devel] [PATCH v4 6/9] xen/arm: Fixing clear_guest_offset macro

[Julien Grall <julien.grall@xxxxxxxxxx>]

On 10/04/2013 05:44 AM, Jaeyong Yoo wrote:
> Fix the the broken macro 'clear_guest_offset' in arm.
> 
> Signed-off-by: Jaeyong Yoo <jaeyong.yoo@xxxxxxxxxxx>
Reviewed-by: Julien Grall <julien.grall@xxxxxxxxxx>
> ---
>  xen/include/asm-arm/guest_access.h | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/xen/include/asm-arm/guest_access.h 
> b/xen/include/asm-arm/guest_access.h
> index 34aae14..8ff088f 100644
> --- a/xen/include/asm-arm/guest_access.h
> +++ b/xen/include/asm-arm/guest_access.h
> @@ -77,8 +77,9 @@ unsigned long raw_clear_guest(void *to, unsigned len);
>   * Clear an array of objects in guest context via a guest handle,
>   * specifying an offset into the guest array.
>   */
> -#define clear_guest_offset(hnd, off, ptr, nr) ({      \
> -    raw_clear_guest(_d+(off), nr);  \
> +#define clear_guest_offset(hnd, off, nr) ({    \
> +    void *_d = (hnd).p;                        \
> +    raw_clear_guest(_d+(off), nr);             \
>  })
>  
>  /*
> 


-- 
Julien Grall

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