Re: [PATCH v4 0/8] iommu: Remove IOMMU_DEV_FEAT_SVA/_IOPF

From: Zhangfei Gao
Date: Fri Mar 14 2025 - 04:12:27 EST


Hi, Baolu

On Thu, 13 Mar 2025 at 13:19, Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx> wrote:
>
> The new method for driver fault reporting support relies on the domain
> to specify a iopf_handler. The driver should detect this and setup the
> HW when fault capable domains are attached.
>
> Move SMMUv3 to use this method and have VT-D validate support during
> attach so that all three fault capable drivers have a no-op FEAT_SVA and
> _IOPF. Then remove them.
>
> This was initiated by Jason. I'm following up to remove FEAT_IOPF and
> further clean up.
>
> The whole series is also available at github:
> https://github.com/LuBaolu/intel-iommu/commits/iommu_no_feat-v4

I retested this branch, and it works

https://github.com/Linaro/linux-kernel-uadk/tree/iommu_no_feat-v4

Thanks