[PATCH 1/2] vfio: Replace the DMA unmapping notifier with a callback

[Jason Gunthorpe]

On Tue, Jun 07, 2022 at 07:39:55AM +0200, Christoph Hellwig wrote:

> > +static int vfio_iommu_notifier(struct notifier_block *nb, unsigned long action,
> > +			       void *data)
> > +{
> > +	struct vfio_device *vfio_device =
> > +		container_of(nb, struct vfio_device, iommu_nb);
> > +	struct vfio_iommu_type1_dma_unmap *unmap = data;
> 
> Using the iommu type 1 UAPI structure in the core vfio code for a
> subset of its field is kinda weird.  But we can fix this later.

Ah, I did type this in at one point.. It was small lets include it in
this patch

Thanks,
Jason