From: Eric Auger on
gitlab.com
https://gitlab.com/cki-project/kernel-ark/-/merge_requests/1158#note_5901...
At this stage my goal was just to fix the regression on x86 PVPANIC/ISA while
adding the functionality on aarch64. If we decide to add PVPANIC-PCI on x86
this may handled through another BZ to also test it separately. Also libvirt
wouldn't support it.