Within each content area, there are one or more tutorials. Each tutorial consists of lessons. Each lesson should be a page detailing the concept being taught, along with sample code. Lesson and page ...
From the spec, If GADE is 0, the IOMMU causes a guest-page-fault corresponding to the original access type if the A bit is 0 or if the memory access is a store and the D bit is 0. ... If SADE is 0, ...