On Fri, Dec 15, 2017 at 6:52 PM, Linus Torvalds <torva...@linux-foundation.org> wrote: > > However, since the main use case of protection keys is probably > databases (Dave?) and since those also might be performance-sensitive > about direct-IO doing page table lookups, it might not be great in > practice.
Anyway, I reverted the three commits Dan pointed to, and we can always revisit the exact path forward later Because regardless of what the eventual future checks will be, for 4.15 I think we'll just go back to doing what we used to do. If somebody sees problems, holler. Linus