[RFC PATCH v5 01/10] iommupt: Add RISC-V Second-stage (iohgatp) page table support

[Jason Gunthorpe]

On Tue, 20 Oct 2026 17:40:57 +0800, fangyu.yu at linux.alibaba.com <fangyu.yu at linux.alibaba.com> wrote:
> Add support for Sv39x4/Sv48x4/Sv57x4 Second-stage page tables used by
> the RISC-V IOMMU iohgatp register. The x4 root page table is 16 KiB
> instead of the usual 4 KiB, covering 2 extra GPA bits (hw_max_vasz_lg2
> = 41/50/59).

Reviewed-by: Jason Gunthorpe <jgg at nvidia.com>

-- 
Jason