On 30.06.2010 18:59, Casey Leedom wrote:
> | From: Stefan Assmann <sassm...@redhat.com>
> | Date: Wednesday, June 30, 2010 01:53 am
> |
> | This is not a udev bug since udev doesn't create persistent rules for
> | VFs as their MAC address changes every reboot.
> |
> | To avoid this problem we could change the kernel name for the VFs and
> | thus avoid confusion between VFs and PFs.
> |
> | I've already discussed this with Alexander Duyck and Greg Rose, so far
> | they have no objection. However this problem appears for all drivers that
> | support PFs and VFs and thus the changes should be applied consistently
> | to all of these drivers.
>
> I'm not sure that this problem affects "all drivers which support PFs and
> VFs."
> I think that you might mean "all drivers which support PFs and VFs with non-
> persistent MAC addresses for the VFs." For instance, the MAC addresses
> associated with the new cxgb4vf VFs are persistent so, from what I understand
> of
> the scenario you outlined, I don't think that they would trigger the problem
> you
> describe. Please correct me if I've missed something. Thanks.
>
> Casey
You're correct, the problem shouldn't occur with cxgb4vf and therefore
this change shouldn't be necessary. However we might consider a
consistent naming scheme for VFs in all drivers. But I don't have a
strong opinion about this, either way would be fine by me.
Stefan
--
Stefan Assmann | Red Hat GmbH
Software Engineer | Otto-Hahn-Strasse 20, 85609 Dornach
| HR: Amtsgericht Muenchen HRB 153243
| GF: Brendan Lane, Charlie Peters,
sassmann at redhat.com | Michael Cunningham, Charles Cachera
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