On 23/09/2020 14:55, Bertrand Marquis wrote:
On 23 Sep 2020, at 12:17, Julien Grall <jul...@xen.org> wrote:More that it make more sense in general to have SMMUv3 with 2 level of page table supporting this then old SMMU versions.
Both driver are equally important. I wouldn't discard SMMUv2 just because there is a new shiny version.
I also have some concerns with the SMMUv3. They are pretty similar to the GICv3 ITS as both use a shared ring for the commands.
Cheers, -- Julien Grall