Not all devices have the bottom 32 bits of a 64 bit BAR in an even numbered BAR. For example, on an NVIDIA Quadro P400, BARs 1 and 3 are 64bit. Remove this assumption. Signed-off-by: Alexandru Elisei <alexandru.elisei@xxxxxxx> --- vfio/pci.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/vfio/pci.c b/vfio/pci.c index bbb8469c8d93..1bdc20038411 100644 --- a/vfio/pci.c +++ b/vfio/pci.c @@ -920,8 +920,10 @@ static int vfio_pci_configure_dev_regions(struct kvm *kvm, for (i = VFIO_PCI_BAR0_REGION_INDEX; i <= VFIO_PCI_BAR5_REGION_INDEX; ++i) { /* Ignore top half of 64-bit BAR */ - if (i % 2 && is_64bit) + if (is_64bit) { + is_64bit = false; continue; + } ret = vfio_pci_configure_bar(kvm, vdev, i); if (ret) -- 2.20.1