Re: [patch] SMP alternatives

[thockin]

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.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/