+ unsigned int i;
+ int rc = 0;
+
+ pr_info(DRV_NAME "Uploading Xen processor PM info\n");
+
+ for_each_possible_cpu(i) {
+ struct acpi_processor *_pr;
+ _pr = per_cpu(processors, i /* APIC ID */);
+ if (!_pr)
+ continue;
+
+ if (!pr_backup) {
+ pr_backup = kzalloc(sizeof(struct acpi_processor), GFP_KERNEL);
+ if (pr_backup)
+ memcpy(pr_backup, _pr, sizeof(struct acpi_processor));
+ }
+ (void)upload_pm_data(_pr);
+ }
+
+ rc = check_acpi_ids(pr_backup);
+ kfree(pr_backup);
+
+ return rc;
+}
+
+static void xen_acpi_processor_resume(void)
+{
+ bitmap_zero(acpi_ids_done, nr_acpi_bits);
+ xen_upload_processor_pm_data();
+}
+
+static struct syscore_ops xap_syscore_ops = {
+ .resume = xen_acpi_processor_resume,
+};
+
+static int __init xen_acpi_processor_init(void)
+{