On 08/19/2010 06:24 PM, Anthony Liguori wrote:
On 08/18/2010 02:33 AM, Avi Kivity wrote:
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.
Not really to me.
SysBus does not support hotplugging and CPU hot plug shouldn't have
anything to do with qdev hotplug.
Can you explain a bit more why this is needed?
On cpu hotplug an apic is added, and apics live on main_system_bus.
--
error compiling committee.c: too many arguments to function
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