[PATCH V14] mm/debug: Add tests validating architecture page table helpers

[Qian Cai]

> On Mar 4, 2020, at 1:49 AM, Christophe Leroy <christophe.leroy at c-s.fr> wrote:
> 
> AFAIU, you are not taking an interrupt here. You are stuck in the pte_update(), most likely due to nested locks. Try with LOCKDEP ?

Not exactly sure what did you mean here, but the kernel has all lockdep enabled and did not flag anything here.