[IA64] Provide ACPI fixup for /proc/cpuinfo/physical_id

[linux-2.6-omap-h63xx.git] / drivers / acpi / processor_core.c

diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index dd28c912e84f7a0927f7b3148dee47f3c8404e72..5241e3ff50803f6048e5084f6c3135678f7465b2 100644 (file)
--- 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;
 }