From: Justin Forbes on
gitlab.com
https://gitlab.com/cki-project/kernel-ark/-/merge_requests/1159#note_5859...
ugh, you are correct, and annoyingly it doesn't show in our config prior to
build. I think I would rather see this patch changed to remove EXPERT than to
change the default on RHEL_DIFFERENCES. That way we are very clear on what is
set and where.