[PATCH v7 13/16] iommufd/viommu: Select vIOMMU operations before allocation

[Jason Gunthorpe]

On Thu, Oct 29, 2026 at 01:51:37PM +0530, Aneesh Kumar K.V wrote:

> modified    drivers/iommu/amd/iommufd.c
> @@ -41,7 +41,7 @@ static size_t amd_iommufd_get_viommu_size(struct device *dev,
>  const struct iommufd_viommu_ops *
>  amd_iommufd_get_viommu_ops(struct device *dev, enum iommu_viommu_type viommu_type)
>  {
> -	return &amd_viommu_ops;
> +	return NULL:
>  }
>  
>  int amd_iommufd_viommu_init(struct iommufd_viommu *viommu,

Yes, it was a mistake to let this in the way it was

Ideally maybe lets get Joerg to pick up just that patch next week.

> Alexey,
> 
> Could you look at this and suggest the AMD equivalent of
> arm_smmu_get_viommu_ops()? We could add it as part of this patch.

It needs a whole other 20 patch series from Suravee to complete the
viommu work in the driver.

  https://patch.msgid.link/20260930092344.5616-1-suravee.suthikulpanit@amd.com

Jason