diff options
Diffstat (limited to 'drivers/acpi/processor_pdc.c')
| -rw-r--r-- | drivers/acpi/processor_pdc.c | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/drivers/acpi/processor_pdc.c b/drivers/acpi/processor_pdc.c index 06583cf37365..4c5becd65737 100644 --- a/drivers/acpi/processor_pdc.c +++ b/drivers/acpi/processor_pdc.c @@ -9,61 +9,12 @@ #define pr_fmt(fmt) "ACPI: " fmt -#include <linux/dmi.h> #include <linux/slab.h> #include <linux/acpi.h> #include <acpi/processor.h> -#include <xen/xen.h> - #include "internal.h" -static bool __init processor_physically_present(acpi_handle handle) -{ - int cpuid, type; - u32 acpi_id; - acpi_status status; - acpi_object_type acpi_type; - unsigned long long tmp; - union acpi_object object = { 0 }; - struct acpi_buffer buffer = { sizeof(union acpi_object), &object }; - - status = acpi_get_type(handle, &acpi_type); - if (ACPI_FAILURE(status)) - return false; - - switch (acpi_type) { - case ACPI_TYPE_PROCESSOR: - status = acpi_evaluate_object(handle, NULL, NULL, &buffer); - if (ACPI_FAILURE(status)) - return false; - acpi_id = object.processor.proc_id; - break; - case ACPI_TYPE_DEVICE: - status = acpi_evaluate_integer(handle, "_UID", NULL, &tmp); - if (ACPI_FAILURE(status)) - return false; - acpi_id = tmp; - break; - default: - return false; - } - - if (xen_initial_domain()) - /* - * When running as a Xen dom0 the number of processors Linux - * sees can be different from the real number of processors on - * the system, and we still need to execute _PDC for all of - * them. - */ - return xen_processor_present(acpi_id); - - type = (acpi_type == ACPI_TYPE_DEVICE) ? 1 : 0; - cpuid = acpi_get_cpuid(handle, type, acpi_id); - - return !invalid_logical_cpuid(cpuid); -} - static void acpi_set_pdc_bits(u32 *buf) { buf[0] = ACPI_PDC_REVISION_ID; |