On Wed, 27 May 2020 17:08:57 -0500, Eric W. Biederman said:

> Is there an easy to build-test configuration that includes
> binfmt_elf_fdpic?

I tripped over it with a 'make ARM=arch allmodconfig', but any
config that includes CONFIG_BINFMT_ELF_FDPIC should suffice.
I haven't checked the 'depends' for that variable though...

> I have this sense that it might be smart to unify binfmt_elf
> and binftm_elf_fdpic to the extent possible, and that will take build
> tests.

Bring it on! :)