Re: [PATCH v3 0/8] iommu/riscv: Add HPM support for RISC-V IOMMU

Yixun Lan
2026-02-13T22:21:46Z

Hi Lv,

On 11:41 Sat 07 Feb , Lv Zheng wrote:
> On 2/6/2026 6:44 PM, Krzysztof Kozlowski wrote:
> > On 04/02/2026 10:08, 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
> >> Refactor using vendor specific compatible.
> >>
> >
> >
> > Do not attach (thread) your patchsets to some other threads (unrelated
> > or older versions). This buries them deep in the mailbox and might
> > interfere with applying entire sets. See also:
> > https://elixir.bootlin.com/linux/v6.16-rc2/source/Documentation/process/submitting-patches.rst#L830
>
> Got it.
> I'm still using an old fashioned upstream way to collect all revisions
> into one thread. Will align to the preferred style.
>
Using b4 will automate this procedure, you can also take a look at
Konstantin's articles, and the b4 doc
https://people.kernel.org/monsieuricon/sending-a-kernel-patch-with-b4-part-1
https://b4.docs.kernel.org/en/latest/

> Thanks,
> Lv
>
> >
> > Best regards,
> > Krzysztof
> >
>
>
>

--
Yixun Lan (dlan)