Commit 1d0148fe authored by Peter Maydell's avatar Peter Maydell
Browse files

hw/virtio/virtio-pci: Use pow2ceil() rather than hand-calculation 



Use the utility function pow2ceil() for rounding up to the next
largest power of 2, rather than inline calculation.

Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
Reviewed-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Message-id: 1437741192-20955-3-git-send-email-peter.maydell@linaro.org
parent 9bff5d81

hw/virtio/virtio-pci.c

+1 −3
Original line number Diff line number Diff line
@@ -1505,9 +1505,7 @@ static void virtio_pci_device_plugged(DeviceState *d, Error **errp) 
    if (legacy) {

        size = VIRTIO_PCI_REGION_SIZE(&proxy->pci_dev)

            + virtio_bus_get_vdev_config_len(bus);

        if (size & (size - 1)) {

            size = 1 << qemu_fls(size);

        }

        size = pow2ceil(size);



        memory_region_init_io(&proxy->bar, OBJECT(proxy),

                              &virtio_pci_config_ops,