On 01/17/2014 05:27 PM, Michael Dalton wrote:
> Commit ab7db91705e9 ("virtio-net: auto-tune mergeable rx buffer size for
> improved performance") introduced a virtio-net dependency on EWMA.
> The inclusion of EWMA is controlled by CONFIG_AVERAGE. Fix build error
> when CONFIG_AVERAGE is not enabled by adding select AVERAGE to
> virtio-net's Kconfig entry.
>
> Build failure reported using config make ARCH=s390 defconfig.
>
> Signed-off-by: Michael Dalton <mwdalton@xxxxxxxxxx>
> ---
> drivers/net/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
> index b45b240..f342278 100644
> --- a/drivers/net/Kconfig
> +++ b/drivers/net/Kconfig
> @@ -236,6 +236,7 @@ config VETH
> config VIRTIO_NET
> tristate "Virtio network driver"
> depends on VIRTIO
> + select AVERAGE
> ---help---
> This is the virtual network driver for virtio. It can be used with
> lguest or QEMU based VMMs (like KVM or Xen). Say Y or M.
Acked-by: Jason Wang <jasowang@xxxxxxxxxx>
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