> On Mon, 06 Mar 2000 19:26:33 -0800 
>  Matt Thomas <matt@3am-software.com> wrote:
> 
>  > The problem is that the ncr53c9x MI code doesn't pass a ptr to the proc
>  > so I can't pass it to bus_dmamap_load.  I didn't feel like changing the 
>  > MI interface.
> 
> ...and, in fact, it's not appropriate to pass the proc * in, because the
> code assumes kernel addresses, because physio() calls vmapbuf() :-)
> 
Yes, that is a problem here: All other drivers assume that
vmapbuf/vunmapbuf do _not_ do anything, otherwise they do not work with
raw I/O. 

-- Ragge