[PATCH v2 0/5] Convert riscv to use the generic iommu page table

[Jason Gunthorpe]

On Fri, Jan 23, 2026 at 08:29:01PM +0800, Vincent Chen wrote:

> With this codebase, the IOMMU group type is now correctly configured as
> DMA:
> 
>   # cat /sys/kernel/iommu_groups/0/type
>   DMA
>   # cat /sys/kernel/iommu_groups/1/type
>   DMA
> 
> I re-ran the iperf3 test in this environment, and the test passed
> successfully.

OK great thanks alot!

I'm surprised it doesn't say DMA-FQ, someone from RISCV may want to
investigate that, it is probably reducing performance..

Jason