Re: [Xen-devel] IOMMU support for HVM grant table mappings

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

It's probably an oversight.

 -- Keir

On 13/01/2010 22:00, "Justin T. Gibbs" <gibbs@xxxxxxxxxxx> wrote:

> Xen 4.0 recently added support for grant table mappings in the HVM P2M
> tables.
> The current code explicitly avoids adding an IOMMU mapping in this case.
> Is this an oversight or is there an architectural reason that the IOMMU is
> not updated?  This seems to be the last piece needed to allow HVM driver
> domains with PCI pass-thru devices to function without extra memory copies.
> 
> Thanks,
> Justin
> 
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel