Re: [PATCH v4 0/7] iommu/riscv: Add HPM support for RISC-V IOMMU

Krzysztof Kozlowski
2026-02-06T10:46:12Z

On 05/02/2026 10:09, Lv Zheng wrote:
> Includes HPM support for RISC-V IOMMU. The HPM hardware mechanism can be
> found in the recent announced SpacemiT SoCs (K3, V100), where T100
> (SpacemiT distributed IOMMU) is shipped.
>
> Revisions:
> v1
> Initial release.
> v2 (sent as v1.1)
> Split and cleanup DT-bindings.
> v3
> 1. Refactor using vendor specific compatible.
> 2. Implement vendor events with a userspace identifier.
> v4

And now also v4 is in the same thread? This is total mess!

How tools are supposed to handle this?

Best regards,
Krzysztof