Re: RFC: New bus_space routine: bus_space_sync

[Matt Thomas <matt%3am-software.com@localhost>]

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.