#ifdef CONFIG_X86_LOCAL_APIC
static u64 acpi_lapic_addr __initdata = APIC_DEFAULT_PHYS_BASE;
+static bool acpi_support_online_capable;
#endif
#ifdef CONFIG_X86_IO_APIC
pr_debug("Local APIC address 0x%08x\n", madt->address);
}
+ if (madt->header.revision >= 5)
+ acpi_support_online_capable = true;
default_acpi_madt_oem_check(madt->header.oem_id,
madt->header.oem_table_id);
if (processor->id == 0xff)
return 0;
+ /* don't register processors that can not be onlined */
+ if (acpi_support_online_capable &&
+ !(processor->lapic_flags & ACPI_MADT_ENABLED) &&
+ !(processor->lapic_flags & ACPI_MADT_ONLINE_CAPABLE))
+ return 0;
+
/*
* We need to register disabled CPU as well to permit
* counting disabled CPUs. This allows us to size