Re: [PATCH v2 14/29] arch: add pkey and rseq syscall numbers everywhere

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On Fri, Jan 18, 2019 at 5:20 PM Arnd Bergmann <arnd@xxxxxxxx> wrote:
Most architectures define system call numbers for the rseq and pkey system
calls, even when they don't support the features, and perhaps never will.

Only a few architectures are missing these, so just define them anyway
for consistency. If we decide to add them later to one of these, the
system call numbers won't get out of sync then.

Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

 arch/m68k/kernel/syscalls/syscall.tbl   | 4 ++++

--- a/arch/m68k/kernel/syscalls/syscall.tbl
+++ b/arch/m68k/kernel/syscalls/syscall.tbl
@@ -388,6 +388,10 @@
 378    common  pwritev2                        sys_pwritev2
 379    common  statx                           sys_statx
 380    common  seccomp                         sys_seccomp
+381    common  pkey_alloc                      sys_pkey_alloc
+382    common  pkey_free                       sys_pkey_free
+383    common  pkey_mprotect                   sys_pkey_mprotect
+384    common  rseq                            sys_rseq

Note that all architectures that already define pkey syscalls, list
pkey_mprotect
first.

Regardless, for m68k:
Acked-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>

 # room for arch specific calls
 393    common  semget                          sys_semget
 394    common  semctl                          sys_semctl

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



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