Force maxmem=memory for HVM with PCI devices

Xen do not support other cases at all ("PCI device assignment for HVM guest failed due to PoD enabled", PoD means "populate on demand").
QubesOS · Jun 20, 2017 · 5f187bd · 5f187bd
1 parent 083108e
commit 5f187bd
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/templates/libvirt/xen.xml b/templates/libvirt/xen.xml
@@ -2,7 +2,11 @@
     {% block basic %}
         <name>{{ vm.name }}</name>
         <uuid>{{ vm.uuid }}</uuid>
-        <memory unit="MiB">{{ vm.maxmem }}</memory>
+        {% if vm.hvm and vm.devices['pci'].persistent() | list %}
+            <memory unit="MiB">{{ vm.memory }}</memory>
+        {% else %}
+            <memory unit="MiB">{{ vm.maxmem }}</memory>
+        {% endif %}
         <currentMemory unit="MiB">{{ vm.memory }}</currentMemory>
         <vcpu placement="static">{{ vm.vcpus }}</vcpu>
     {% endblock %}