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Message-ID: <CAMuHMdWaJyNqUeq4qu3AgU0fYrQdZ_zbo0DFFiM97Y5HESYYnA@mail.gmail.com>
Date: Mon, 21 Jan 2019 09:55:48 +0100
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Arnd Bergmann <arnd@...db.de>
Cc: y2038 Mailman List <y2038@...ts.linaro.org>,
Linux API <linux-api@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
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Matt Turner <mattst88@...il.com>,
Russell King <linux@...linux.org.uk>,
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Martin Schwidefsky <schwidefsky@...ibm.com>,
Heiko Carstens <heiko.carstens@...ibm.com>,
Rich Felker <dalias@...c.org>,
"David S. Miller" <davem@...emloft.net>,
Andy Lutomirski <luto@...nel.org>,
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"H. Peter Anvin" <hpa@...or.com>,
"the arch/x86 maintainers" <x86@...nel.org>,
Max Filippov <jcmvbkbc@...il.com>,
Andrew Morton <akpm@...ux-foundation.org>,
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Subject: Re: [PATCH v2 14/29] arch: add pkey and rseq syscall numbers everywhere
On Fri, Jan 18, 2019 at 5:20 PM Arnd Bergmann <arnd@...db.de> 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@...db.de>
> 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@...ux-m68k.org>
> # 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@...ux-m68k.org
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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