On Mon, 24 Jan 2022, Christoph Hellwig wrote: > > Fix a user API regression introduced with commit f76edd8f7ce0 ("tty: > > cyclades, remove this orphan"), which removed a part of the API and > > caused compilation errors for user programs using said part, such as > > GCC 9 in its libsanitizer component[1]: > > This looks sensible, but a #warning might be useful to get people to > stop including this random header. We have no precedent, but your suggestion seems reasonable to me, thanks. Maciej