Martin Husemann wrote:
> 
> > The two obvious solutions are to access the descriptors
> > as uncached memory, or I need to know the cache line size to
> > pad the descriptors to 32 bytes.  Any suggestions
> > on what "The Right Thing" is?
> 
> Whatever TRT is, it should be done inside the bus_dma implementation for
> that architecture. I don't see a way to implement the second solution there,
> so IMHO the first one wins.
> 
	If there's no way to make this work with the bus_dma architecure we
have then it's time for bus_dma v2. This isn't all that strange a
situation, and having to go uncached would be a real shame.
	-- Ethan