Michael Ellerman [off-list ref] writes:

On Tue, 15 Feb 2022 13:40:55 +0100, Christophe Leroy wrote:

quoted

PPC64/IA64/PARISC have function descriptors. LKDTM doesn't work
on those three architectures because LKDTM messes up function
descriptors with functions.

This series does some cleanup in the three architectures and
refactors function descriptors so that it can then easily use it
in a generic way in LKDTM.

[...]

Applied to powerpc/next.

I also have it in an rc2-based topic branch if there are any merge
conflicts that people want to resolve, I don't see any in linux-next at
the moment though.

https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/log/?h=topic/func-desc-lkdtm

cheers