On 07/05/2012 08:51 PM, Sasha Levin wrote:
> On Thu, 2012-07-05 at 18:29 +0800, Jason Wang wrote:
>> @@ -1387,6 +1404,10 @@ static int virtnet_probe(struct virtio_device *vdev)
>> if (virtio_has_feature(vdev, VIRTIO_NET_F_CTRL_VQ))
>> vi->has_cvq = true;
>>
>> + /* Use single tx/rx queue pair as default */
>> + vi->num_queue_pairs = 1;
>> + vi->total_queue_pairs = num_queue_pairs;
vi->total_queue_pairs also should be set to 1
vi->total_queue_pairs = 1;
>
> The code is using this "default" even if the amount of queue pairs it
> wants was specified during initialization. This basically limits any
> device to use 1 pair when starting up.
>
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--
Amos.
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