>>> On 24.06.15 at 07:18, <feng...@intel.com> wrote:
> --- a/xen/include/xen/types.h
> +++ b/xen/include/xen/types.h
> @@ -47,6 +47,11 @@ typedef __u64 uint64_t;
> typedef __u64 u_int64_t;
> typedef __s64 int64_t;
>
> +typedef struct {
> + uint64_t low;
> + uint64_t high;
> +} uint128_t;
This violates the C standard; if you did this in an x86-specific file
(or conditional upon BITS_PER_LONG >= 64) I can't see why you
couldn't use gcc's __uint128_t built-in type (available on arches
with host word width >= 64 bits).
Jan
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