On Fri, Jul 24, 2015 at 01:33:08PM +0100, Peter Maydell wrote:
> Use the utility function pow2ceil() for rounding up to the next
> largest power of 2, rather than inline calculation.
>
> Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
Reviewed-by: Michael S. Tsirkin <m...@redhat.com>
> ---
> hw/virtio/virtio-pci.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
> index 283401a..845f52f 100644
> --- a/hw/virtio/virtio-pci.c
> +++ b/hw/virtio/virtio-pci.c
> @@ -1497,9 +1497,7 @@ 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,
> --
> 1.9.1
