Missing <kernel-features.h> includes

[Roland McGrath]

> Roland McGrath wrote:
> > and why?
> 
> Because it's unacceptable to require all those unnecessary changes just
> because hurd does something for no reason differently.

That is not an answer to the question I asked.  I'm talking about the
comprehensibility of the existing code, not about the Hurd code.  

Where does the existing code include kernel-features.h indirectly and why
does it rely on that implicitly?


Thanks,
Roland