[Qemu-devel] Re: [PATCH] Fix bug for vcpu hotplug

[Avi Kivity]

 On 08/18/2010 10:17 AM, Liu, Jinsong wrote:

During test, we found qemu-kvm has a bug result in guestos shutdown when vcpu 
hotadd.
This patch is to fix the bug, allow hotplug for sysbus qdev.

--- a/hw/qdev.c
+++ b/hw/qdev.c
@@ -108,6 +108,7 @@ DeviceState *qdev_create(BusState *bus, const char *name)
      if (!bus) {
          if (!main_system_bus) {
              main_system_bus = qbus_create(&system_bus_info, NULL, 
"main-system-bus");
+            main_system_bus->allow_hotplug = 1;
          }
          bus = main_system_bus;
      }

Looks reasonable to me.

--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.