On Tue, 2015-02-10 at 14:25 +0800, Wei Yang wrote:

PF's resource will be assigned first, including normal BARs and IOV
BARs.

Then PF's driver will create VFs, in virtfn_add(). In this function,
VF's
resources is calculated from its PF's IOV BAR.

If you reset VF's resource as PFs, no one will try to assign it again.

So the problem is that the flag indicating VF is lost ? IE. We should
still mark them unset, but preserve that flag ?

Cheers,
Ben.