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

[Long Li]

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

Okay I see what you mean. I'll remove this message.

> 
> > 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.