Comment 4 for bug 1384892

Does this improve anything? Reviewing the quirk seems to show there's a bug in how we're writing to the MSI-X table. Not sure how it worked before. Tested this with a Win8.1 VM and assigned RTL8111/8168/8411. Thanks.

--- a/hw/misc/vfio.c
+++ b/hw/misc/vfio.c
@@ -1834,8 +1834,8 @@ static void vfio_rtl8168_window_quirk_write(void *opaque, hwaddr addr,
                         vdev->host.bus, vdev->host.slot, vdev->host.function);

                 io_mem_write(&vdev->pdev.msix_table_mmio,
- (hwaddr)(quirk->data.address_match & 0xfff),
- data, size);
+ (hwaddr)(data & 0xfff),
+ (uint64_t)quirk->data.address_mask, size);
             }

             quirk->data.flags = 1;