Re: Devices not at mainbus?

[David Holland <dholland-tech%netbsd.org@localhost>]

On Tue, Jun 05, 2012 at 02:14:02PM -0400, Thor Lancelot Simon wrote:
 > > Does it matter? Is there a case where a driver's notion of MAXPHYS
 > > should depend on anything other than the buses it's attached to?
 > 
 > I see you say "buses".  So I assume you're taking into account funny
 > constraints to do with bus bridges.

Yes.

 > Some ports do have limits stricter than those actually associated with
 > any physical bus in the machine.  Xen is a good example.

ah, and then the question is where to manifest those. right...

-- 
David A. Holland
dholland%netbsd.org@localhost