HVCALL_SEND_IPI   187 arch/x86/hyperv/hv_apic.c 	ret = hv_do_fast_hypercall16(HVCALL_SEND_IPI, ipi_arg.vector,
HVCALL_SEND_IPI  1696 arch/x86/kvm/hyperv.c 	case HVCALL_SEND_IPI: