PVOP_CALL3        734 include/asm-x86/paravirt.h 	return PVOP_CALL3(int, pv_cpu_ops.write_msr, msr, low, high);
PVOP_CALL3       1138 include/asm-x86/paravirt.h 	ret = PVOP_CALL3(pteval_t, pv_mmu_ops.ptep_modify_prot_start,