204 static void do_write_apic_id(void *id)  in do_write_apic_id()  argument
206 	apic_write(APIC_ID, *(u32 *)id);  in do_write_apic_id()
211 	u32 id, newid;  in __test_apic_id()  local
219 	id = apic_id();  in __test_apic_id()
220 	report(initial_xapic_id == id, "xapic id matches cpuid");  in __test_apic_id()
222 	newid = (id + 1) << 24;  in __test_apic_id()
224 	       (id == apic_id() || id + 1 == apic_id()),  in __test_apic_id()
225 	       "writeable xapic id");  in __test_apic_id()
231 	       "non-writeable x2apic id");  in __test_apic_id()
232 	report(initial_xapic_id == (apic_id() & 0xff), "sane x2apic id");  in __test_apic_id()
234 	/* old QEMUs do not set initial x2APIC ID */  in __test_apic_id()
237 	       "x2apic id matches cpuid");  in __test_apic_id()
242 	report(initial_xapic_id == apic_id(), "correct xapic id after reset");  in __test_apic_id()
244 	/* old KVMs do not reset xAPIC ID */  in __test_apic_id()
245 	if (id != apic_id())  in __test_apic_id()
246 		apic_write(APIC_ID, id << 24);  in __test_apic_id()
866 	 * Handle the IPI after updating the APIC ID, as the IPI count acts as  in handle_aliased_ipi()
901 	 * reaction of IPIs from APIC ID 0..255.  Each vCPU will increment its  in test_aliased_xapic_physical_ipi()
902 	 * APIC ID in the handler, and then "reset" to its original ID (using  in test_aliased_xapic_physical_ipi()
903 	 * smp_id()) after the last IPI.  Using on_cpu() to set vCPU1's ID  in test_aliased_xapic_physical_ipi()
946 		 * KVM may disable APICv if the APIC ID and/or APIC_BASE is  in main()