APIC_XAPIC
|| APIC_XAPIC(boot_cpu_apic_version))
if ((boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) && !APIC_XAPIC(boot_cpu_apic_version))
if (APIC_XAPIC(ver) || boot_cpu_has(X86_FEATURE_EXTD_APICID))
if (!APIC_XAPIC(ver)) {