Hi Mauro, On Fri, Jun 7, 2019 at 9:38 PM Mauro Carvalho Chehab <mchehab+samsung@xxxxxxxxxx> wrote: > This document is used by multiple architectures: Indeed it is... > > $ echo $(git grep -l pkey_mprotect arch|cut -d'/' -f 2|sort|uniq) > alpha arm arm64 ia64 m68k microblaze mips parisc powerpc s390 sh sparc x86 xtensa ... but not because we now have a unified space for new syscall numbers ;-) $ git grep -w ARCH_HAS_PKEYS -- "*Kconf*" arch/powerpc/Kconfig: select ARCH_HAS_PKEYS arch/x86/Kconfig: select ARCH_HAS_PKEYS mm/Kconfig:config ARCH_HAS_PKEYS I.e. limited to x86 and powerpc. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds