Re: 2.6.25-rc1 xen pvops regression

[Jeremy Fitzhardinge]

H. Peter Anvin wrote:
> > Still curious about why a pagetable page is ending up in that range 
> > though.  Seems like it shouldn't be possible, since we shouldn't be 
> > allowed to allocate from those pages, at least until the DMI probe 
> > has happened...  Unless the early allocator is only excluded from 
> > e820 reserved pages, which would cause a problem on systems which 
> > don't reserve the DMI space...  HPA?
>
> I thought the problem was a Xen-provided pagetable from before Linux 
> started? 

Hm, I don't think so.  The domain-builder pagetable is put after the 
kernel, so it shouldn't be under 1M.

   J
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