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Diffstat (limited to 'hw/intc/xics.c')
-rw-r--r--hw/intc/xics.c22
1 files changed, 21 insertions, 1 deletions
diff --git a/hw/intc/xics.c b/hw/intc/xics.c
index 6da05763f9..e7ac9ba618 100644
--- a/hw/intc/xics.c
+++ b/hw/intc/xics.c
@@ -44,7 +44,16 @@
void icp_pic_print_info(ICPState *icp, Monitor *mon)
{
- int cpu_index = icp->cs ? icp->cs->cpu_index : -1;
+ int cpu_index;
+
+ /* Skip partially initialized vCPUs. This can happen on sPAPR when vCPUs
+ * are hot plugged or unplugged.
+ */
+ if (!icp) {
+ return;
+ }
+
+ cpu_index = icp->cs ? icp->cs->cpu_index : -1;
if (!icp->output) {
return;
@@ -388,8 +397,10 @@ Object *icp_create(Object *cpu, const char *type, XICSFabric *xi, Error **errp)
obj = object_new(type);
object_property_add_child(cpu, type, obj, &error_abort);
object_unref(obj);
+ object_ref(OBJECT(xi));
object_property_add_const_link(obj, ICP_PROP_XICS, OBJECT(xi),
&error_abort);
+ object_ref(cpu);
object_property_add_const_link(obj, ICP_PROP_CPU, cpu, &error_abort);
object_property_set_bool(obj, true, "realized", &local_err);
if (local_err) {
@@ -401,6 +412,15 @@ Object *icp_create(Object *cpu, const char *type, XICSFabric *xi, Error **errp)
return obj;
}
+void icp_destroy(ICPState *icp)
+{
+ Object *obj = OBJECT(icp);
+
+ object_unref(object_property_get_link(obj, ICP_PROP_CPU, &error_abort));
+ object_unref(object_property_get_link(obj, ICP_PROP_XICS, &error_abort));
+ object_unparent(obj);
+}
+
/*
* ICS: Source layer
*/