The pcie host bridge has no io window on microvm,
so io reservations will not work.
Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
---
hw/i386/microvm.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c
index 4b3b1dd262f1..f01d972f5d28 100644
--- a/hw/i386/microvm.c
+++ b/hw/i386/microvm.c
@@ -757,6 +757,12 @@ static void microvm_class_init(ObjectClass *oc, void *data)
"Set off to disable adding virtio-mmio devices to the kernel cmdline");
machine_class_allow_dynamic_sysbus_dev(mc, TYPE_RAMFB_DEVICE);
+
+ /*
+ * pcie host bridge (gpex) on microvm has no io address window,
+ * so reserving io space is not going to work. Turn it off.
+ */
+ object_register_sugar_prop("pcie-root-port", "io-reserve", "0", true);
}
static const TypeInfo microvm_machine_info = {
--
2.36.1
