[haiku-commits] Re: r35515 - in haiku/trunk: headers/private/kernel/arch/x86 src/add-ons/kernel/cpu/x86 src/system/kernel/arch/x86 src/system/kernel/vm
- From: "Axel Dörfler" <axeld@xxxxxxxxxxxxxxxx>
- To: haiku-commits@xxxxxxxxxxxxx
- Date: Thu, 18 Feb 2010 18:30:09 +0100
Ingo Weinhold <ingo_weinhold@xxxxxx> wrote:
> A perfect implementation would use the PTE method on Pentium III and
> later,
> use MTRRs on Pentium II/Pro falling back to the PTE method when
> running out
> of registers, and use the PTE method on the Pentium in cases where
> the
> predefined attributes are not strict enough. Unless something like
> that is
> implemented, I would leave #5353 open.
What about the physical page mapper? How would it be able not to violate
the PAT flags?
At least I don't see a simple way to get rid of the MTRRs completely.
Bye,
Axel.
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