MAINTAINERS policy question

[Joe Buck]

> I have a question about how the MAINTAINERS file should be interpreted.
> Suppose you have somebody listed as maintaining port X.  Does this grant
> the right to check in any patch for a problem that affects port X, or
> does it only grant the right to modify config/X/*?
> 
> I've had someone claim in private mail that it means the former, and
> this surprised me, since I always assumed it meant the latter.

The port maintainer will also need to deal with other port-specific
components, for example the processor-specific atomicity code in libstdc++,