On Fri, Jan 11, 2019 at 06:30:43PM +0100, Arnd Bergmann wrote: > On Thu, Jan 10, 2019 at 9:36 PM Heiko Carstens > <heiko.carstens@xxxxxxxxxx> wrote: > > On Thu, Jan 10, 2019 at 05:24:35PM +0100, Arnd Bergmann wrote: > > > Since you only need/want the system call numbers, could you please > > change these lines to: > > > > > +384 common pkey_alloc - - > > > +385 common pkey_free - - > > > +386 common pkey_mprotect - - > > > > Otherwise it _looks_ like we would need compat wrappers here as well, > > even though all of them would just jump to sys_ni_syscall() in this > > case. Making this explicit seems to better. > > Ok, fair enough. I considered doing this originally and then > decided against it for consistency with the asm-generic file, > but I don't care much either way. > > Is this something you may want to add later? I'm not sure exactly > how pkey compares to s390 storage keys, or if this is something > completely unrelated. I don't think pkeys will ever work on s390, since they require a key per mapping, while the s390 storage keys are per physical page.
