diff options
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/processor_core.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index dd28c912e84..5241e3ff508 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -603,6 +603,15 @@ static int acpi_processor_get_info(struct acpi_processor *pr, unsigned has_uid) request_region(pr->throttling.address, 6, "ACPI CPU throttle"); } + /* + * If ACPI describes a slot number for this CPU, we can use it + * ensure we get the right value in the "physical id" field + * of /proc/cpuinfo + */ + status = acpi_evaluate_object(pr->handle, "_SUN", NULL, &buffer); + if (ACPI_SUCCESS(status)) + arch_fix_phys_package_id(pr->id, object.integer.value); + return 0; } |