Re: [PATCH 0/9] AMD IOMMU cleanups, fixes and IVRS bug workarounds

From: Joerg Roedel
Date: Sat Apr 13 2013 - 11:26:11 EST


On Sat, Apr 13, 2013 at 11:06:22PM +0800, Andrew Cooks wrote:
> On Fri, Apr 12, 2013 at 4:06 PM, Joerg Roedel <joro@xxxxxxxxxx> wrote:

> > Oh, that's sad. You were the only one having a machine wich actually has
> > unity-mapped ranges defined in the BIOS table. The code for those
> > mappings was basically untested before you ran it on that machine.
> >
> What is the machine in question? Maybe someone else has access to one,
> if it's not too exotic.

Shuah had access to a HP server machine (don't know which one) that
defined unity-map ranges in the BIOS table. Shuah certainly knows the
details about that machine.


Joerg


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