From: Gavin Shan
While hooking MSI interrupts, the corresponding device tree node
of the PE that the PCI device has been put into should be checked.
However, those PCI devices (e.g. VirtIO based PCI devices) that
don't have EEH capability shouldn't have the associated PE. So we
shouldn't try to g
While hooking MSI interrupts, the corresponding device tree node
of the PE that the PCI device has been put into should be checked.
However, those PCI devices (e.g. VirtIO based PCI devices) that
don't have EEH capability shouldn't have the associated PE. So we
shouldn't try to get the PE's device
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