RE: [PATCH] hv_netvsc: Mark VF as slave before exposing it to user-mode

[Long Li]

> Subject: Re: [PATCH] hv_netvsc: Mark VF as slave before exposing it to 
> user-mode
> 
> On Wed, 25 Oct 2023 15:50:50 -0700
> lon...@linuxonhyperv.com wrote:
> 
> >     list_for_each_entry(ndev_ctx, &netvsc_dev_list, list) {
> >             ndev = hv_get_drvdata(ndev_ctx->device_ctx);
> > -           if (ether_addr_equal(vf_netdev->perm_addr, ndev->perm_addr))
> {
> > -                   netdev_notice(vf_netdev,
> > -                                 "falling back to mac addr based
> matching\n");
> > +           if (ether_addr_equal(vf_netdev->perm_addr, ndev->perm_addr)
> ||
> > +               ether_addr_equal(vf_netdev->dev_addr, ndev->perm_addr))
> 
> This part looks like unrelated change.
> The VF mac address shouldn't change, but if it did don't look at i.

At the time of NETDEV_POST_INIT, the perm_addr is not assigned yet (last it was 
copied from dev_addr when device is registered).