diff options
| -rw-r--r-- | drivers/acpi/processor_core.c | 12 | ||||
| -rw-r--r-- | include/acpi/processor.h | 7 |
2 files changed, 9 insertions, 10 deletions
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index 25bf17da69fd..02d2a4c9084d 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -37,7 +37,6 @@ static struct dmi_system_id __initdata processor_idle_dmi_table[] = { {}, }; -#ifdef CONFIG_SMP static int map_lapic_id(struct acpi_subtable_header *entry, u32 acpi_id, int *apic_id) { @@ -165,7 +164,9 @@ exit: int acpi_get_cpuid(acpi_handle handle, int type, u32 acpi_id) { +#ifdef CONFIG_SMP int i; +#endif int apic_id = -1; apic_id = map_mat_entry(handle, type, acpi_id); @@ -174,14 +175,19 @@ int acpi_get_cpuid(acpi_handle handle, int type, u32 acpi_id) if (apic_id == -1) return apic_id; +#ifdef CONFIG_SMP for_each_possible_cpu(i) { if (cpu_physical_id(i) == apic_id) return i; } +#else + /* In UP kernel, only processor 0 is valid */ + if (apic_id == 0) + return apic_id; +#endif return -1; } EXPORT_SYMBOL_GPL(acpi_get_cpuid); -#endif static bool __init processor_physically_present(acpi_handle handle) { @@ -217,7 +223,7 @@ static bool __init processor_physically_present(acpi_handle handle) type = (acpi_type == ACPI_TYPE_DEVICE) ? 1 : 0; cpuid = acpi_get_cpuid(handle, type, acpi_id); - if ((cpuid == -1) && (num_possible_cpus() > 1)) + if (cpuid == -1) return false; return true; diff --git a/include/acpi/processor.h b/include/acpi/processor.h index 55192ac0cede..ba4928cae473 100644 --- a/include/acpi/processor.h +++ b/include/acpi/processor.h @@ -310,14 +310,7 @@ static inline int acpi_processor_get_bios_limit(int cpu, unsigned int *limit) /* in processor_core.c */ void acpi_processor_set_pdc(acpi_handle handle); -#ifdef CONFIG_SMP int acpi_get_cpuid(acpi_handle, int type, u32 acpi_id); -#else -static inline int acpi_get_cpuid(acpi_handle handle, int type, u32 acpi_id) -{ - return -1; -} -#endif /* in processor_throttling.c */ int acpi_processor_tstate_has_changed(struct acpi_processor *pr); |