> as opposed to bloat for cache ops, or irrelevant pmap bits, or...
> 
> if you want to go making it smaller, conditionalize support for
> specific CPUs in what should be an almost completely table-driven
> operation using #ifdefs, and have ports only include the CPU defines
> that they need.
> 
> you would, i think, want a couple of convenience #ifdefs which turn
> approximately everything on.

I agree with your point here.   I suspected why on earth cpu_attach()
requires to cope with aggregations for a rather simple task given
the specific case.

Tohru Nishimura