Re: [PATCH for-9.2 v11 06/11] pcie_sriov: Reuse SR-IOV VF device instances

[Akihiko Odaki]

On 2024/08/03 1:54, Michael S. Tsirkin wrote:
> On Fri, Aug 02, 2024 at 02:17:56PM +0900, Akihiko Odaki wrote:
> > Disable SR-IOV VF devices by reusing code to power down PCI devices
> > instead of removing them when the guest requests to disable VFs. This
> > allows to realize devices and report VF realization errors at PF
> > realization time.
>
> What kind of errors do you have in mind?

The type of errors common for any SR-IOV device would be the conflict of 
PCI function numbers; all function numbers that will be used by VFs 
should be reserved when realizing the PF. With the SR-IOV support of 
virtio-net-pci I'm adding, a user may specify invalid netdev for VFs.

Regards,
Akihiko Odaki