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The AM65 is without >> an IOMMU, but it comes with something close to it: the Peripheral >> Virtualization Unit (PVU). >> >> The PVU was originally designed to establish static compartments via a >> hypervisor, isolate those DMA-wise against each other and the host and >> even allow remapping of guest-physical addresses. But it only provides >> a static translation region, not page-granular mappings. Thus, it cannot >> be handled transparently like an IOMMU. > > You keep developing on some old kernel. I noticed it on few patchsets > last days. Please work on mainline. > How did you come to this conclusion? This patch set was written for mainline, just rebased and tested again over next-20240826 before sending today. Jan -- Siemens AG, Technology Linux Expert Center