1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index db87e78d745..2a0c670c281 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -11,6 +11,7 @@
 #include <linux/device.h>
 #include <linux/node.h>
 #include <linux/gfp.h>
+#include <linux/slab.h>
 #include <linux/percpu.h>
 
 #include "base.h"
@@ -223,6 +224,9 @@ int __cpuinit register_cpu(struct cpu *cpu, int num)
         cpu->node_id = cpu_to_node(num);
         cpu->dev.id = num;
         cpu->dev.bus = &cpu_subsys;
+#ifdef CONFIG_ARCH_HAS_CPU_AUTOPROBE
+        cpu->dev.bus->uevent = arch_cpu_uevent;
+#endif
         error = device_register(&cpu->dev);
         if (!error && cpu->hotpluggable)
                 register_cpu_control(cpu);
@@ -247,6 +251,10 @@ struct device *get_cpu_device(unsigned cpu)
 }
 EXPORT_SYMBOL_GPL(get_cpu_device);
 
+#ifdef CONFIG_ARCH_HAS_CPU_AUTOPROBE
+static DEVICE_ATTR(modalias, 0444, arch_print_cpu_modalias, NULL);
+#endif
+
 static struct attribute *cpu_root_attrs[] = {
 #ifdef CONFIG_ARCH_CPU_PROBE_RELEASE
         &dev_attr_probe.attr,
@@ -257,6 +265,9 @@ static struct attribute *cpu_root_attrs[] = {
         &cpu_attrs[2].attr.attr,
         &dev_attr_kernel_max.attr,
         &dev_attr_offline.attr,
+#ifdef CONFIG_ARCH_HAS_CPU_AUTOPROBE
+        &dev_attr_modalias.attr,
+#endif
         NULL
 };