diff --git a/arm-virt-Add-CPU-hotplug-framework.patch b/arm-virt-Add-CPU-hotplug-framework.patch
new file mode 100644
index 0000000..4fdcf9f
--- /dev/null
+++ b/arm-virt-Add-CPU-hotplug-framework.patch
@@ -0,0 +1,69 @@
+From 209b3e4e522b8f7f41e495feaade96ee9a91e46a Mon Sep 17 00:00:00 2001
+From: Keqian Zhu <zhukeqian1@huawei.com>
+Date: Fri, 3 Apr 2020 16:16:18 +0800
+Subject: [PATCH] arm/virt: Add CPU hotplug framework
+
+Establish the CPU hotplug framework for arm/virt, we will add
+necessary code legs to this framework gradually to realize CPU
+hotplug finally.
+
+Signed-off-by: Keqian Zhu <zhukeqian1@huawei.com>
+Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
+---
+ hw/arm/virt.c | 19 ++++++++++++++++++-
+ 1 file changed, 18 insertions(+), 1 deletion(-)
+
+diff --git a/hw/arm/virt.c b/hw/arm/virt.c
+index 9b73c479c4..11155fcb70 100644
+--- a/hw/arm/virt.c
++++ b/hw/arm/virt.c
+@@ -2586,6 +2586,18 @@ static void virt_memory_plug(HotplugHandler *hotplug_dev,
+                          dev, &error_abort);
+ }
+ 
++static void virt_cpu_pre_plug(HotplugHandler *hotplug_dev,
++                              DeviceState *dev, Error **errp)
++{
++    /* Currently nothing to do */
++}
++
++static void virt_cpu_plug(HotplugHandler *hotplug_dev,
++                          DeviceState *dev, Error **errp)
++{
++    /* Currently nothing to do */
++}
++
+ static void virt_machine_device_pre_plug_cb(HotplugHandler *hotplug_dev,
+                                             DeviceState *dev, Error **errp)
+ {
+@@ -2619,6 +2631,8 @@ static void virt_machine_device_pre_plug_cb(HotplugHandler *hotplug_dev,
+         qdev_prop_set_uint32(dev, "len-reserved-regions", 1);
+         qdev_prop_set_string(dev, "reserved-regions[0]", resv_prop_str);
+         g_free(resv_prop_str);
++    } else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
++        virt_cpu_pre_plug(hotplug_dev, dev, errp);
+     }
+ }
+ 
+@@ -2637,6 +2651,8 @@ static void virt_machine_device_plug_cb(HotplugHandler *hotplug_dev,
+     }
+     if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
+         virt_memory_plug(hotplug_dev, dev, errp);
++    } else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
++        virt_cpu_plug(hotplug_dev, dev, errp);
+     }
+     if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_IOMMU_PCI)) {
+         PCIDevice *pdev = PCI_DEVICE(dev);
+@@ -2717,7 +2733,8 @@ static HotplugHandler *virt_machine_get_hotplug_handler(MachineState *machine,
+     MachineClass *mc = MACHINE_GET_CLASS(machine);
+ 
+     if (device_is_dynamic_sysbus(mc, dev) ||
+-       (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM))) {
++       (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) ||
++       (object_dynamic_cast(OBJECT(dev), TYPE_CPU))) {
+         return HOTPLUG_HANDLER(machine);
+     }
+     if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_IOMMU_PCI)) {
+-- 
+2.27.0
+