Messages in this thread | | | Subject | Re: [PATCH 5/6] vdpa: introduce virtio pci driver | From | Jason Wang <> | Date | Mon, 8 Jun 2020 17:46:52 +0800 |
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On 2020/6/8 下午5:45, Michael S. Tsirkin wrote: > On Mon, Jun 08, 2020 at 05:43:58PM +0800, Jason Wang wrote: >>>> Looking at >>>> pci_match_one_device() it checks both subvendor and subdevice there. >>>> >>>> Thanks >>> But IIUC there is no guarantee that driver with a specific subvendor >>> matches in presence of a generic one. >>> So either IFC or virtio pci can win, whichever binds first. >> >> I'm not sure I get there. But I try manually bind IFCVF to qemu's >> virtio-net-pci, and it fails. >> >> Thanks > Right but the reverse can happen: virtio-net can bind to IFCVF first.
That's kind of expected. The PF is expected to be bound to virtio-pci to create VF via sysfs.
Thanks
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