wmb vs mmiowb

Peter Chubb peterc at gelato.unsw.edu.au
Wed Aug 29 09:01:57 EST 2007


>>>>> "Brent" == Brent Casavant <bcasavan at 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



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