On 26/08/2024 21:25, Jan Kiszka wrote: > 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. You send it to addresses you CANNOT get from mainline kernel. There is no way mainline kernel get_maintainers.pl produces them. Best regards, Krzysztof
