Friday, September 28, 2007

Nate Lawson on DMA/IOMMU

In the past few days, Nate Lawson has a couple interesting articles on PC Memory Architecture and Protecting Memory from DMA using IOMMU. Nate's got some good stuff in there, including comments around ring 0 code and virtualization ... many ideas that play well with the notion of separating code from data.

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