Re: [RFC PATCH 3/5] vfio/pci: Refuse to reset an SR-IOV PF with enabled VFs
| Newsgroups | org.kernel.vger.linux-pci,org.kernel.vger.kvm |
|---|---|
| Message-ID | <[email protected]> |
> The vfio-pci hot-reset interface VFIO_DEVICE_PCI_HOT_RESET does not
> take into account whether an SR-IOV PF has active VFs. The VFs appear
> on a virtual bus, which is not enumerated in collecting affected
> devices.
>
> Move the burden to the user when active VFs are present, require that
> there are no VFs present on SR-IOV capable PFs in order to conduct a
> hot reset.
>
> Fixes: 137e5531351d ("vfio/pci: Add sriov_configure support")
> Cc: [email protected]
> Assisted-by: Claude:claude-opus-4-8
> Signed-off-by: Alex Williamson <[email protected]>
Sashiko has reviewed this patch and found no issues. It looks great!
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Sashiko AI review · https://sashiko.dev/#/patchset/[email protected]?part=3