Re: [PATCH v2 06/16] iommupt: Implement preserve/unpreserve/restore callbacks

[Jason Gunthorpe]

On Mon, Apr 27, 2026 at 05:56:23PM +0000, Samiullah Khawaja wrote:
> @@ -266,12 +273,22 @@ struct pt_iommu_cfg {
>  	};                              \
>  	IOMMU_PROTOTYPES(fmt)
>  
> +#ifdef CONFIG_IOMMU_LIVEUPDATE
> +#define IOMMU_PT_LIVEUPDATE_OPS(fmt)			\
> +	, .preserve = &pt_iommu_##fmt##_preserve,	\
> +	.unpreserve = &pt_iommu_##fmt##_unpreserve,	\
> +	.restore = &pt_iommu_##fmt##_restore
> +#else
> +#define IOMMU_PT_LIVEUPDATE_OPS(fmt)
> +#endif

Don't do it like this at all, new iommupt unique ops should be routed
through struct pt_iommu_ops

See how map_range/unmap_range now work

Jason