On Wed, 30 Mar 2022 12:52:58 +0100 Chris Down <chris@xxxxxxxxxxxxxx> wrote: > The policy, as with all debugfs APIs by default, is that it's completely > unstable and there are no API stability guarantees whatsoever. That's why > there's no extensive documentation for users: because this is a feature for > kernel developers. > > 0: https://lwn.net/Articles/309298/ That article you reference states the opposite of what you said. And I got burnt by it before. Because Linus stated, if it is available for users, it is an ABI.