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vhost: fix TUN=m VHOST_NET=y 

drivers/built-in.o: In function `get_tun_socket':
    net.c:(.text+0x15436e): undefined reference to `tun_get_socket'

If tun is a module, vhost must be a module, too.
If tun is built-in or disabled, vhost can be built-in.

Note: TUN || !TUN might look a bit strange until you realize
that boolean logic rules do not apply for tristate variables.

Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael S. Tsirkin 2010-01-21 01:28:45 -08:00 committed by David S. Miller
parent 4b258461c0
commit 17660f8124
1 changed files with 1 additions and 1 deletions
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2
drivers/vhost/Kconfig
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@ -1,6 +1,6 @@
config VHOST_NET
tristate "Host kernel accelerator for virtio net (EXPERIMENTAL)"
depends on NET && EVENTFD && EXPERIMENTAL
depends on NET && EVENTFD && (TUN || !TUN) && EXPERIMENTAL
---help---
This kernel module can be loaded in host kernel to accelerate
guest networking with virtio_net. Not to be confused with virtio_net