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xen-devel
Re: [Xen-devel] Re: [Patch] Constrain DMADOM/swiotlb allocations to 1G p
On Tue, Nov 28, 2006 at 04:31:33PM +0000, Alan wrote:
> > > constraint for the DMADOM heap; and changes the x86/x86_64 swiotlb to
> > > request a 30-bit constraint for allocations of the swiotlb memory.
>
> (The hardware pseudo-iommu on the AMD can't handle this either as it
> can only appear in the PCI window)
Assuming you mean GART, Xen doesn't support it at the moment (more
accurately, dom0 cannot run with GART enabled on Xen). There were
patches for this from AMD, but they weren't merged AFAICR.
Cheers,
Muli
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