On Thu, Nov 24, 2005 at 10:20:00PM +0100, Andi Kleen wrote:
> > The below code works for us. Note that I did not implement the
> > node-interleaving parts of the AMD algorithm. If that matters, it should
> > be simple enough to do. The BKDG has good pseudo-code. The only thing it
> > gets absolutely wrong is the IO hole.
>
> Thanks. But without a per board DIMM mapping it's pretty useless, isn't it?
Exactly.
> One could detect the IO hole by reading the IORR MSRs or alternatively
> parsing the e820 map in /var/log/boot.msg
Why bother? In this process - turning a physical address into a DIMM,
you're poking at all the data anyway, just get the IO hole straight from
the chipset.
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