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From: "Iremonger, Bernard" <bernard.iremonger@intel.com>
To: "Ouyang, Changchun" <changchun.ouyang@intel.com>, Stephen Hemminger
 <stephen@networkplumber.org>
Thread-Topic: [PATCH 4/5] virtio: free queue memory in virtio_dev_close()
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Date: Wed, 15 Jul 2015 08:50:45 +0000
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Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH 4/5] virtio: free queue memory in
	virtio_dev_close()
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> -----Original Message-----
> From: Ouyang, Changchun
> Sent: Wednesday, July 15, 2015 9:39 AM
> To: Iremonger, Bernard; Stephen Hemminger
> Cc: dev@dpdk.org; Ouyang, Changchun
> Subject: RE: [PATCH 4/5] virtio: free queue memory in virtio_dev_close()
>=20
>=20
>=20
> > -----Original Message-----
> > From: Iremonger, Bernard
> > Sent: Wednesday, July 15, 2015 4:27 PM
> > To: Stephen Hemminger
> > Cc: dev@dpdk.org; Ouyang, Changchun
> > Subject: RE: [PATCH 4/5] virtio: free queue memory in
> > virtio_dev_close()
> >
> > > -----Original Message-----
> > > From: Stephen Hemminger [mailto:stephen@networkplumber.org]
> > > Sent: Tuesday, July 14, 2015 7:28 PM
> > > To: Iremonger, Bernard
> > > Cc: dev@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@intel.com> wrote:
> > >
> > > >  static void
> > > > +virtio_free_queues(struct rte_eth_dev *dev) {
> > > > +	unsigned int i;
> > > > +
> > > > +	for (i =3D 0; i < dev->data->nb_rx_queues; i++) {
> > > > +		virtio_dev_rx_queue_release(dev->data->rx_queues[i]);
> > > > +		dev->data->rx_queues[i] =3D NULL;
> > > > +	}
> > > > +	dev->data->nb_rx_queues =3D 0;
> > > > +
> > > > +	for (i =3D 0; i < dev->data->nb_tx_queues; i++) {
> > > > +		virtio_dev_tx_queue_release(dev->data->tx_queues[i]);
> > > > +		dev->data->tx_queues[i] =3D NULL;
> > > > +	}
> > > > +	dev->data->nb_tx_queues =3D 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.
> >
>=20
> Do you mean control vq?

I am referring to hw->cvq.

Regards,

Bernard.