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SubjectRe: [PATCH 01/34] AMD IOMMU: add Kconfig entry
On Fri, Jun 27, 2008 at 12:59:47PM -0400, Muli Ben-Yehuda wrote:
> On Fri, Jun 27, 2008 at 06:54:30PM +0200, Joerg Roedel wrote:
>
> > True. At least for the case without device isolation I have some
> > optimizations in mind which will minimize the performance
> > tradeoff. I hope to have them ready for 2.6.28 :)
>
> Do you mean the case where you have a single I/O address space which
> is shared by all devices?

Yes. I think this will be the case used most when IOMMU is used for
virtualization and to handle devices with limited DMA address ranges. In
this case there is a lot to optimize.

Joerg



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