On 31-07-08 22:59, Thomas Petazzoni wrote:
Using that kind of hardware, the OS has control over which parts of the physical memory is visible to a particular device. So the OS can protect itself against malicious devices.
The IOMMU being broken is quite comparable to the device or (with his follow up) the legacy DMA controler being broken though, so we've only just now pushed the same answer a level up...
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