2.6.32-longterm review patch. If anyone has any objections, please let us know.
------------------ From: Michael S. Tsirkin <[email protected]> commit bc505f373979692d51a86d40925f77a8b09d17b9 upstream. As all virtio devices perform DMA, we must enable bus mastering for them to be spec compliant. This patch fixes hotplug of virtio devices with Linux guests and qemu 0.11-0.12. Tested-by: Alexander Graf <[email protected]> Signed-off-by: Michael S. Tsirkin <[email protected]> Cc: maximilian attems <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/virtio/virtio_pci.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c @@ -647,6 +647,7 @@ static int __devinit virtio_pci_probe(st 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 _______________________________________________ stable mailing list [email protected] http://linux.kernel.org/mailman/listinfo/stable
