[dpdk-dev] [PATCH 4/5] virtio: free queue memory in virtio_dev_close()
Ouyang, Changchun
changchun.ouyang at intel.com
Wed Jul 15 10:38:34 CEST 2015
> -----Original Message-----
> From: Iremonger, Bernard
> Sent: Wednesday, July 15, 2015 4:27 PM
> To: Stephen Hemminger
> Cc: dev at dpdk.org; Ouyang, Changchun
> Subject: RE: [PATCH 4/5] virtio: free queue memory in virtio_dev_close()
>
> > -----Original Message-----
> > From: Stephen Hemminger [mailto:stephen at networkplumber.org]
> > Sent: Tuesday, July 14, 2015 7:28 PM
> > To: Iremonger, Bernard
> > Cc: dev at dpdk.org; Ouyang, Changchun
> > Subject: Re: [PATCH 4/5] virtio: free queue memory in virtio_dev_close()
> >
> > On Tue, 14 Jul 2015 14:10:58 +0100
> > Bernard Iremonger <bernard.iremonger at intel.com> wrote:
> >
> > > static void
> > > +virtio_free_queues(struct rte_eth_dev *dev) {
> > > + unsigned int i;
> > > +
> > > + for (i = 0; i < dev->data->nb_rx_queues; i++) {
> > > + virtio_dev_rx_queue_release(dev->data->rx_queues[i]);
> > > + dev->data->rx_queues[i] = NULL;
> > > + }
> > > + dev->data->nb_rx_queues = 0;
> > > +
> > > + for (i = 0; i < dev->data->nb_tx_queues; i++) {
> > > + virtio_dev_tx_queue_release(dev->data->tx_queues[i]);
> > > + dev->data->tx_queues[i] = NULL;
> > > + }
> > > + dev->data->nb_tx_queues = 0;
> > > +}
> > > +
> >
> > Where does command queue get freed?
>
> The command queue is set up in the eth_virtio_dev_init() function and
> freed in the eth_virtio_dev_uninit() function.
>
Do you mean control vq?
> Regards,
>
> Bernard.
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