On Thu, Jan 25, 2024 at 07:21:53PM +0800, Baolu Lu wrote: > On 2024/1/25 17:17, 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? > > The interfaces to deliver I/O page faults to user space have never been > implemented in the Linux kernel before. Therefore, from a uAPI point of > view, this definition is actually dead code. thx for the explanation. I was thinking it was something like that. Just wanted to make sure. Best -- Joel Granados
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