On 27.08.24 08:35, Krzysztof Kozlowski wrote: > 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. > That is likely due to that I didn't re-run the get_maintainers.pl for all areas of changes but rather reused an address list from a slightly older posting, sorry. IOW, your assumption is still not correct when it comes to code. Jan -- Siemens AG, Technology Linux Expert Center
