at 3:00 PM, Bjorn Helgaas <helgaas@xxxxxxxxxx> wrote:
So I wonder if we should just disallow VPD access for these NICs except on function 0. There was a little bit of discussion in that direction at [2].
If this is done, you'll have to be sure that any non-0 functions assigned to guests (which will appear as function 0 to the guest!) does not appear to have VPD and block access to those resources. That seems kind of messy, but should work. One hopes that no guest drivers are hard-wired to assume VPD presence based on the device type.
-- Mark Rustad (he/him), Ethernet Products Group, Intel Corporation
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