On 2005-03-27 bouyer@antioche.eu.org wrote:

> Then we badly need to define theses, yes. And maybe refine the
> bus_space_barrier() too ? From sparc64/bus.h:
>         /*
>          * We have a bit of a problem with the bus_space_barrier()
>          * interface.  It defines a read barrier and a write barrier
>          * which really don't map to the 7 different types of memory
>          * barriers in the SPARC v9 instruction set.
>          */
>
> So just "BUS_SPACE_BARRIER_READ/WRITE" isn't enouth :)

  The man page documents BARRIER_{READ,WRITE}_BEFORE_{READ,WRITE} and
BARRIER_SYNC, but no port implements them last time I checked.

Matthew Orgass
darkstar@city-net.com