netdev - [PATCH net-next] virtio-net: fix build error when CONFIG

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Date:	Fri, 17 Jan 2014 01:27:08 -0800
From:	Michael Dalton <mwdalton@...gle.com>
To:	"David S. Miller" <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, Eric Dumazet <edumazet@...gle.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	"Michael S. Tsirkin" <mst@...hat.com>,
	Jason Wang <jasowang@...hat.com>,
	virtualization@...ts.linux-foundation.org,
	Michael Dalton <mwdalton@...gle.com>
Subject: [PATCH net-next] virtio-net: fix build error when CONFIG_AVERAGE is not enabled

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@...gle.com>
---
 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.
-- 
1.8.5.2

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