On Thu, Jan 25, 2024 at 10:17:34AM +0100, Joel Granados wrote: > On Mon, Jan 22, 2024 at 01:42:53PM +0800, Lu Baolu wrote: > > The iommu fault data is currently defined in uapi/linux/iommu.h, but is > > only used inside the iommu subsystem. Move it to linux/iommu.h, where it > > will be more accessible to kernel drivers. > > > > With this done, uapi/linux/iommu.h becomes empty and can be removed from > > the tree. > > The reason for removing this [1] is that it is only being used by > internal code in the kernel. What happens with usespace code that have > used these definitions? Should we deprecate instead of just removing? There was never an in-tree kernel implementation. Any userspace that implemented this needs to decide on its own if it will continue to support the non-mainline kernel and provide a copy of the definitions itself.. (it was a process mistake to merge a uapi header without a corresponding uapi implementation, sorry) Jason