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Diffstat (limited to 'arch/x86/kernel/acpi/processor.c')
-rw-r--r--arch/x86/kernel/acpi/processor.c34
1 files changed, 1 insertions, 33 deletions
diff --git a/arch/x86/kernel/acpi/processor.c b/arch/x86/kernel/acpi/processor.c
index bcb6efe08c5..967860b43f2 100644
--- a/arch/x86/kernel/acpi/processor.c
+++ b/arch/x86/kernel/acpi/processor.c
@@ -14,31 +14,7 @@
static void init_intel_pdc(struct acpi_processor *pr, struct cpuinfo_x86 *c)
{
- struct acpi_object_list *obj_list;
- union acpi_object *obj;
- u32 *buf;
-
- /* allocate and initialize pdc. It will be used later. */
- obj_list = kmalloc(sizeof(struct acpi_object_list), GFP_KERNEL);
- if (!obj_list) {
- printk(KERN_ERR "Memory allocation error\n");
- return;
- }
-
- obj = kmalloc(sizeof(union acpi_object), GFP_KERNEL);
- if (!obj) {
- printk(KERN_ERR "Memory allocation error\n");
- kfree(obj_list);
- return;
- }
-
- buf = kmalloc(12, GFP_KERNEL);
- if (!buf) {
- printk(KERN_ERR "Memory allocation error\n");
- kfree(obj);
- kfree(obj_list);
- return;
- }
+ u32 *buf = (u32 *)pr->pdc->pointer->buffer.pointer;
buf[0] = ACPI_PDC_REVISION_ID;
buf[1] = 1;
@@ -62,13 +38,6 @@ static void init_intel_pdc(struct acpi_processor *pr, struct cpuinfo_x86 *c)
if (!cpu_has(c, X86_FEATURE_MWAIT))
buf[2] &= ~(ACPI_PDC_C_C2C3_FFH);
- obj->type = ACPI_TYPE_BUFFER;
- obj->buffer.length = 12;
- obj->buffer.pointer = (u8 *) buf;
- obj_list->count = 1;
- obj_list->pointer = obj;
- pr->pdc = obj_list;
-
return;
}
@@ -78,7 +47,6 @@ void arch_acpi_processor_init_pdc(struct acpi_processor *pr)
{
struct cpuinfo_x86 *c = &cpu_data(pr->id);
- pr->pdc = NULL;
init_intel_pdc(pr, c);
return;