Re: RFC: New bus_space routine: bus_space_sync

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Thu, Jan 19, 2012 at 11:57:05AM -0800, Matt Thomas wrote:
> 
> On Jan 19, 2012, at 11:45 AM, Martin Husemann wrote:
> 
> > Even if originally intended for something else, like Matt says, wouldn't it
> > be easier to just define two new flags for it like
> > 
> >  BUS_SPACE_BARRIER_WB
> >  BUS_SPACE_BARRIER_WBINV
> > 
> > and leave the rest of the API untouched?
> 
> I thought about that.  My concern was if some port added those to the MD 
> defintions but didn't update all the bus_space implementations 
> bus_space_barrier wouldn't do anything and you wouldn't know.

He could as well add a bus_space_sync() that does nothing.

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--