[PATCH v3] PCI: Fix crash during pci_dev hot-unplug on pseries KVM guest

[Rob Herring]

On Tue, Aug 06, 2024 at 03:00:59PM -0500, Bjorn Helgaas wrote:
> On Sat, Aug 03, 2024 at 12:03:25AM +0530, Amit Machhiwal wrote:
> > With CONFIG_PCI_DYNAMIC_OF_NODES [1], a hot-plug and hot-unplug sequence
> > of a PCI device attached to a PCI-bridge causes following kernel Oops on
> > a pseries KVM guest:
> 
> What is unique about pseries here?  There's nothing specific to
> pseries in the patch, so I would expect this to be a generic problem
> on any arch.

Only pseries does PCI hotplug with DT I think. It would happen if 
another system did though, but I think documenting the exact system is 
good. No reason we can't do both though.

Rob