From: Xingang Wang <wangxinga...@huawei.com>
When building amd IVRS table, only devices attached to root bus with
IOMMU flag should be scanned.
Signed-off-by: Xingang Wang <wangxinga...@huawei.com>
Signed-off-by: Jiahui Cen <cenjia...@huawei.com>
---
hw/i386/acpi-build.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 6936889cad..e0f38305da 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -2229,7 +2229,7 @@ ivrs_host_bridges(Object *obj, void *opaque)
if (object_dynamic_cast(obj, TYPE_PCI_HOST_BRIDGE)) {
PCIBus *bus = PCI_HOST_BRIDGE(obj)->bus;
- if (bus) {
+ if (bus && pci_root_bus_has_iommu(bus)) {
pci_for_each_device(bus, pci_bus_num(bus), insert_ivhd, ivhd_blob);
}
}
--
2.19.1
