diff --git a/include/acpi/processor.h b/include/acpi/processor.h index 3f34ebb27525..94181fe9780a 100644 --- a/include/acpi/processor.h +++ b/include/acpi/processor.h @@ -465,4 +465,9 @@ extern int acpi_processor_ffh_lpi_probe(unsigned int cpu); extern int acpi_processor_ffh_lpi_enter(struct acpi_lpi_state *lpi); #endif +#ifdef CONFIG_ACPI_HOTPLUG_CPU +extern int arch_register_cpu(int cpu); +extern void arch_unregister_cpu(int cpu); +#endif + #endif