static int __init acpi_parse_madt(struct acpi_table_header *table)
{
struct acpi_table_madt *madt = NULL;
if (!cpu_has_apic)
return -EINVAL;
madt = (struct acpi_table_madt *)table;
if (!madt) {
printk(KERN_WARNING PREFIX "Unable to map MADT\n");
return -ENODEV;
}
if (madt->address) {
acpi_lapic_addr = (u64) madt->address;
printk(KERN_DEBUG PREFIX "Local APIC address 0x%08x\n",
madt->address);
}
default_acpi_madt_oem_check(madt->header.oem_id,
madt->header.oem_table_id);
return 0;
}
static void __init jailhouse_x2apic_init(void)
{
#ifdef CONFIG_X86_X2APIC
if (!x2apic_enabled())
return;
/*
* We do not have access to IR inside Jailhouse non-root cells. So
* we have to run in physical mode.
*/
x2apic_phys = 1;
/*
* This will trigger the switch to apic_x2apic_phys. Empty OEM IDs
* ensure that only this APIC driver picks up the call.
*/
default_acpi_madt_oem_check("", "");
#endif
}