--- zzzz-none-000/linux-3.10.107/arch/ia64/kernel/err_inject.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/ia64/kernel/err_inject.c	2021-02-04 17:41:59.000000000 +0000
@@ -225,17 +225,17 @@
 	.name = "err_inject"
 };
 /* Add/Remove err_inject interface for CPU device */
-static int __cpuinit err_inject_add_dev(struct device * sys_dev)
+static int err_inject_add_dev(struct device *sys_dev)
 {
 	return sysfs_create_group(&sys_dev->kobj, &err_inject_attr_group);
 }
 
-static int __cpuinit err_inject_remove_dev(struct device * sys_dev)
+static int err_inject_remove_dev(struct device *sys_dev)
 {
 	sysfs_remove_group(&sys_dev->kobj, &err_inject_attr_group);
 	return 0;
 }
-static int __cpuinit err_inject_cpu_callback(struct notifier_block *nfb,
+static int err_inject_cpu_callback(struct notifier_block *nfb,
 		unsigned long action, void *hcpu)
 {
 	unsigned int cpu = (unsigned long)hcpu;
@@ -256,7 +256,7 @@
 	return NOTIFY_OK;
 }
 
-static struct notifier_block __cpuinitdata err_inject_cpu_notifier =
+static struct notifier_block err_inject_cpu_notifier =
 {
 	.notifier_call = err_inject_cpu_callback,
 };
@@ -269,12 +269,17 @@
 #ifdef ERR_INJ_DEBUG
 	printk(KERN_INFO "Enter error injection driver.\n");
 #endif
+
+	cpu_notifier_register_begin();
+
 	for_each_online_cpu(i) {
 		err_inject_cpu_callback(&err_inject_cpu_notifier, CPU_ONLINE,
 				(void *)(long)i);
 	}
 
-	register_hotcpu_notifier(&err_inject_cpu_notifier);
+	__register_hotcpu_notifier(&err_inject_cpu_notifier);
+
+	cpu_notifier_register_done();
 
 	return 0;
 }
@@ -288,11 +293,17 @@
 #ifdef ERR_INJ_DEBUG
 	printk(KERN_INFO "Exit error injection driver.\n");
 #endif
+
+	cpu_notifier_register_begin();
+
 	for_each_online_cpu(i) {
 		sys_dev = get_cpu_device(i);
 		sysfs_remove_group(&sys_dev->kobj, &err_inject_attr_group);
 	}
-	unregister_hotcpu_notifier(&err_inject_cpu_notifier);
+
+	__unregister_hotcpu_notifier(&err_inject_cpu_notifier);
+
+	cpu_notifier_register_done();
 }
 
 module_init(err_inject_init);