* Borislav Petkov <b...@alien8.de> wrote:
> On Mon, Oct 28, 2013 at 11:17:49AM +0100, Ingo Molnar wrote:
>
> > And regular write-back cacheable isn't sufficient because the
> > CPU could do things like prefetch your range automatically?
>
> Yeah, he's doing a CLFLUSH anyway which basically makes it a
> write-through...
The CLFLUSH is done afterwards (making it a use-once thing), so WB
might still be faster and would avoid the PAT headache ...
Thanks,
Ingo
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