On Thu, Oct 29, 2015 at 02:32:29PM +0000, Iremonger, Bernard wrote:
> Hi Bruce,
>
> <snip>
>
> > > /* attach the new physical device, then store port_id of the device
> > > */ @@ -1143,14 +1141,11 @@ rte_eth_dev_configure(uint8_t port_id,
> > uint16_t nb_rx_q, uint16_t nb_tx_q,
> > > * If link state interrupt is enabled, check that the
> > > * device supports it.
> > > */
> > > - if (dev_conf->intr_conf.lsc == 1) {
> > > - const struct rte_pci_driver *pci_drv = &dev->driver-
> > >pci_drv;
> > > -
> > > - if (!(pci_drv->drv_flags & RTE_PCI_DRV_INTR_LSC)) {
> > > + if ((dev_conf->intr_conf.lsc == 1) &&
> > > + (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
> > > PMD_DEBUG_TRACE("driver %s does not support
> > lsc\n",
> > > - pci_drv->name);
> > > + dev->data->drv_name);
> >
> > Is this safe to do? From your previous patches for the vdevs, you appear to
> > be setting the drv_name field to NULL for those vdevs, leading to undefined
> > behaviour here. (printf may catch the NULL and print it as "(null)" rather
> > than
> > crashing, but it's still wrong!)
> >
> > /Bruce
>
> It would be safer to set dev->data->drv_name to the PMD driver name.
>
Agreed.
If you update the update the vpmds to do so, feel free to keep my ack
on the resubmitted patches.
/Bruce
