On Thu, Aug 26, 2021 at 12:46:34PM +1000, Nicholas Piggin wrote: > I can't see why this is a problem. powerpcs can but it seems like a bad > idea anyway. > > Any point to a WARN_ON or return -EINVAL? Hmm, maybe that doesn't work > for archs that don't support NX. We could add a check for ones that do > support it though... But that's for another patch. This is the same as we do for regular vmap. I can't remember why we decided on this particular approach, as it's been a while.
