__HYPERCALL_CLOBBER2  128 include/asm-x86/xen/hypercall.h #define __HYPERCALL_CLOBBER1	__HYPERCALL_CLOBBER2, __HYPERCALL_ARG2REG
__HYPERCALL_CLOBBER2  160 include/asm-x86/xen/hypercall.h 		      : __HYPERCALL_CLOBBER2);				\