kernel/apic/apic_flat_64.c

5  * Flat APIC subarch code.
16 #include <asm/apic.h>
20 static struct apic apic_physflat;
21 static struct apic apic_flat;
23 struct apic *apic __ro_after_init = &apic_flat;
24 EXPORT_SYMBOL_GPL(apic);
79 static struct apic apic_flat __ro_after_init = {
125 	 * Quirk: some x86_64 machines can only use physical APIC mode  in physflat_acpi_madt_oem_check()
131 		printk(KERN_DEBUG "system APIC only can use physical flat");  in physflat_acpi_madt_oem_check()
136 		printk(KERN_DEBUG "IBM Summit detected, will use apic physical");  in physflat_acpi_madt_oem_check()
146 	return apic == &apic_physflat || num_possible_cpus() > 8 || jailhouse_paravirt();  in physflat_probe()
149 static struct apic apic_physflat __ro_after_init = {