__HYPERCALL_0PARAM  106 include/asm-x86/xen/hypercall.h #define __HYPERCALL_1PARAM	__HYPERCALL_0PARAM, "+r" (__arg1)
__HYPERCALL_0PARAM  136 include/asm-x86/xen/hypercall.h 		      : __HYPERCALL_0PARAM				\