On Sun, May 23, 2010 at 7:10 AM, Michael S. Tsirkin [off-list ref] wrote:

On Sat, May 22, 2010 at 07:31:15PM -0400, Balachandar wrote:

quoted

Hi Michael,
   Thank you for your vhost_net module. I am really excited to know that your
module reduces latency 4 to 5 times. I was trying on my own project to reduce
latency in using virtio but when i saw your module in the new 2.6.34 kernel
changelog i was very excited to use it. But unfortunately when i built the
latest kernel with 'Virtualization-->Host Kernel Accelerator for virtio net' as
a module, it got built but after installing and rebooting, i couldn't see the
module when typed lsmod. So i tried to manually insert the module and got the
following error 'vhost_net: Unknown symbol tun_get_socket'. So could you please
help me getting this to work. Also could you please tell me which mailing list
should i post my queries about vhost_net so that others who are facing the same
problem can be benifitted. Thank you very much...

Thanks,
Bala

Is tun module enabled? Please send your .config file.

Here's contact information for vhost:
VIRTIO HOST (VHOST)
M:      "Michael S. Tsirkin" [off-list ref]
L:      kvm@vger.kernel.org
L:      virtualization@lists.osdl.org
L:      netdev@vger.kernel.org
S:      Maintained

--
MST

Please find the attached .config file. I can see CONFIG_TUN=m. So i
suppose tun is enabled. So what is the problem here? Thank you...

Thanks,
Bala