From: Waiman Long on gitlab.com
https://gitlab.com/cki-project/kernel-ark/-/merge_requests/2311#note_1290180647
According to the PROVE_RAW_LOCK_NESTING entry in lib/Kconfig.debug:
NOTE: There are known nesting problems. So if you enable this
option expect lockdep splats until these problems have been fully
addressed which is work in progress. This config switch allows to
identify and analyze these problems. It will be removed and the
check permanently enabled once the main issues have been fixed.
If unsure, select N.
So it looks like there will be lockdep failures if we enable that. We can
certainly build test kernel with that enabled for internal testing, but I
don't believe we should enable that for now especially on a non-RT_PREEMPT
kernel.
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