lkml.org 
[lkml]   [2012]   [Jul]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [net-next RFC V5 5/5] virtio_net: support negotiating the number of queues through ctrl vq
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.
>
> --
> To unsubscribe from this list: send the line "unsubscribe kvm" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html


--
Amos.


\
 
 \ /
  Last update: 2012-07-05 23:01    [W:0.089 / U:33.392 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site