Messages in this thread | | | Date | Fri, 27 Jun 2008 19:05:46 +0200 | From | Joerg Roedel <> | Subject | Re: [PATCH 01/34] AMD IOMMU: add Kconfig entry |
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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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