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-rw-r--r--hw/vfio/pci.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index 908b8dffca..9436ac5cc9 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -2777,6 +2777,8 @@ static void vfio_realize(PCIDevice *pdev, Error **errp)
/* QEMU can choose to expose the ROM or not */
memset(vdev->emulated_config_bits + PCI_ROM_ADDRESS, 0xff, 4);
+ /* QEMU can also add or extend BARs */
+ memset(vdev->emulated_config_bits + PCI_BASE_ADDRESS_0, 0xff, 6 * 4);
/*
* The PCI spec reserves vendor ID 0xffff as an invalid value. The