On 26.08.24 20:53, Krzysztof Kozlowski wrote: > On 26/08/2024 19:56, Jan Kiszka wrote: >> Only few of the K3 SoCs have an IOMMU and, thus, can isolate the system >> against DMA-based attacks of external PCI devices. 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
