[Qemu-devel] [PATCH 08/12] acpi/piix4: add cpu hot unplug callback support

[Gu Zheng <guz.fnst@cn.fujitsu.com>]

Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: Zhu Guihua <zhugh.fnst@cn.fujitsu.com>
---
 hw/acpi/piix4.c |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
index 9b75780..2a923fc 100644
--- a/hw/acpi/piix4.c
+++ b/hw/acpi/piix4.c
@@ -375,8 +375,14 @@ static void piix4_device_unplug_request_cb(HotplugHandler *hotplug_dev,
 static void piix4_device_unplug_cb(HotplugHandler *hotplug_dev,
                                    DeviceState *dev, Error **errp)
 {
-    error_setg(errp, "acpi: device unplug for not supported device"
-               " type: %s", object_get_typename(OBJECT(dev)));
+    PIIX4PMState *s = PIIX4_PM(hotplug_dev);
+
+    if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
+        acpi_cpu_unplug_cb(&s->ar, s->irq, &s->gpe_cpu, dev, errp);
+    } else {
+        error_setg(errp, "acpi: device unplug for not supported device"
+                   " type: %s", object_get_typename(OBJECT(dev)));
+    }
 }
 
 static void piix4_update_bus_hotplug(PCIBus *pci_bus, void *opaque)
-- 
1.7.7