Re: [PATCH v3 4/4] vfio/type1: Use iommu_aux_at(de)tach_group() APIs

[Christoph Hellwig]

On Tue, Jul 14, 2020 at 01:57:03PM +0800, Lu Baolu wrote:
> Replace iommu_aux_at(de)tach_device() with iommu_aux_at(de)tach_group().
> It also saves the IOMMU_DEV_FEAT_AUX-capable physcail device in the
> vfio_group data structure so that it could be reused in other places.

This removes the last user of iommu_aux_attach_device and
iommu_aux_detach_device, which can be removed now.