Peter Wemm wrote:
> We need to use the PAT cpu_features feature. This gives us 8 page attribute
> modes instead of simple no-cache / writethrough flags. We can (and must)
> control more carefully the speculative hardware prefetch, for example.
> I've been thinking about this with the pmap revamp that I'm working on.
> It may solve the athlon problems too.
This sounds cool.
Do you have references to the page attribute stuff? The
books I have here don't discuss it; the only thing I see
are 3 bits (9,10,11) that are "available" in the PDE and
To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-current" in the body of the message