@@ -122,6 +122,17 @@ static void virtio_vga_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
*/
vpci_dev->modern_mem_bar = 2;
vpci_dev->msix_bar = 4;
+
+ if (!(vpci_dev->flags & VIRTIO_PCI_FLAG_PAGE_PER_VQ)) {
+ /*
+ * with page-per-vq=off there is no padding space we can use
+ * for the stdvga registers. Make the common and isr regions
+ * smaller then.
+ */
+ vpci_dev->common.size /= 2;
+ vpci_dev->isr.size /= 2;
+ }
+
offset = memory_region_size(&vpci_dev->modern_bar);
offset -= vpci_dev->notify.size;
vpci_dev->notify.offset = offset;
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Message-id: 1473319012-27560-1-git-send-email-kraxel@redhat.com --- hw/display/virtio-vga.c | 11 +++++++++++ 1 file changed, 11 insertions(+)