On Tue, 2018-08-14 at 15:04 +-0000, Howell, Seth wrote: +AD4- Is there a specific reason duplicating the user-space enum in the kernel +AD4- would be inherently better than implementing it here? Not really. I'm fine with Jason's proposal, namely to move the IB+AF8-WR+AF8AKg- constants into a header file under include/uapi/. That approach has the advantage that there won't be any duplication of constant definitions. Bart.