>>> On 08.09.15 at 09:37, <feng...@intel.com> wrote:
> Thanks for your suggestion. How about this?
>
> #define cmpxchg16b(ptr,o,n) \
> ( ({ ASSERT(((unsigned long)ptr & 0xF) == 0); }), \
> BUILD_BUG_ON(sizeof(*o) != sizeof(__uint128_t)), \
> BUILD_BUG_ON(sizeof(*n) != sizeof(__uint128_t)), \
> __cmpxchg16b((ptr), (__uint128_t *)(o), (__uint128_t *)(n)) )
Yes (properly parenthesized and the ({ }) either removed or extended
to the whole expression).
Jan
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