On Wednesday 15 November 2006 00:43, Pavel Machek wrote:
> Hi!
>
> > >> I don't have a configuration I can test this but it compiles cleanly
> > >
> > > Ugh, now that's a big patch.. and untested, too :-(.
> >
> > It was very carefully code reviewed at least the first time,
> > and the code was put in sync with code that was tested.
>
> So we had two very different versions of "switch to 64-bit" and now we
> have two mostly similar versions. Not a big improvement...
Hmm? That's an improvement in my book. Of course i would prefer
truly shared code, but even more similar code is better.
> > > Why is PGE no longer required, for example?
> >
> > PGE is never required. Especially on a temporary page table.
> > PGE is an optimization, to make context switches faster.
>
> HPA tells me it is.
He was just nitpicking. Eric is right it is just an optimization
(modulo hardware/software bugs)
-Andi
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