As all virtio devices perform DMA, we must enable bus mastering for them to be spec compliant. Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx> --- drivers/virtio/virtio_pci.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index 28d9cf7..717bae1 100644 --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c @@ -648,6 +648,7 @@ static int __devinit virtio_pci_probe(struct pci_dev *pci_dev, goto out_req_regions; pci_set_drvdata(pci_dev, vp_dev); + pci_set_master(pci_dev); /* we use the subsystem vendor/device id as the virtio vendor/device * id. this allows us to use the same PCI vendor/device id for all -- 1.6.5.2.143.g8cc62 _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/virtualization
