iommu/intel/irq_remapping.c

719 	int eim = 0;
752 		eim = !dmar_x2apic_optout();
753 		if (!eim) {
760 		if (eim && !ecap_eim_support(iommu->ecap)) {
762 			eim = 0;
766 	eim_mode = eim;
767 	if (eim)
1050 static int reenable_irq_remapping(int eim)
1068 		iommu_set_irq_remapping(iommu, eim);
1549 	int eim = x2apic_enabled();
1555 	if (eim && !ecap_eim_support(iommu->ecap)) {