RE: [Patch v2 1/2] PCI: hv: Fix a race condition when removing the device

[Dexuan Cui]

> From: Long Li <longli@xxxxxxxxxxxxx>
> Sent: Friday, April 23, 2021 11:32 AM
> > ...
> > If we test "rmmod pci-hyperv", I suspect the warning will be printed:
> > hv_pci_remove() -> hv_pci_bus_exit() -> hv_pci_start_relations_work():
> 
> In most case, it will not print anything.

If I read the code correctly, I think the warning is printed _every time_ we
unload pci-hyperv.

> It will print something if there is a PCI_BUS_RELATION work pending at the time
> of remove. The same goes to PCI_EJECT. In those cases, the message is valuable
> to troubleshooting.