__my_cpu_type
*(qual __my_cpu_type(pcp) * __force)__my_cpu_ptr(&(pcp)); \
*(qual __my_cpu_type(pcp) * __force)__my_cpu_ptr(&(pcp)) = (val); \
# define __my_cpu_ptr(ptr) (__my_cpu_type(*(ptr))*)(__force uintptr_t)(ptr)