Re: wmb vs mmiowb

Peter Chubb
2007-08-28T23:01:57Z

>>>>> "Brent" = Brent Casavant <bcasavan@sgi.com> writes:

Brent> That reminds me. Are the people who are working on the
Brent> user-level driver effort including a capability similar to
Brent> mmiowb()? If we had that capability we could eventually do
Brent> away with the change mentioned above. But that would come
Brent> after all user-level drivers were coded to include the
Brent> mmiowb()-like calls, and existing drivers which provide mmap()
Brent> capability directly to hardware go away.

Not at present, because the platforms *I'm* mostly targetting at the
moment don't need it.

--
Dr Peter Chubb http://www.gelato.unsw.edu.au peterc AT gelato.unsw.edu.au
http://www.ertos.nicta.com.au ERTOS within National ICT Australia