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

[Jason Gunthorpe]

On Fri, Mar 14, 2025 at 04:11:56PM +0800, Zhangfei Gao wrote:
> 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!

Jason