linux-kernel - Re: [PATCH v20 3/5] arch: allocate vgetrandom

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Message-Id: <fa6eb1f8-b681-4c3f-bf5f-4ca19da78b17@app.fastmail.com>
Date: Wed, 03 Jul 2024 20:58:59 +0200
From: "Arnd Bergmann" <arnd@...db.de>
To: "Jason A . Donenfeld" <Jason@...c4.com>, linux-kernel@...r.kernel.org,
 patches@...ts.linux.dev, "Thomas Gleixner" <tglx@...utronix.de>
Cc: linux-crypto@...r.kernel.org, linux-api@...r.kernel.org, x86@...nel.org,
 "Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
 "Adhemerval Zanella Netto" <adhemerval.zanella@...aro.org>,
 "Carlos O'Donell" <carlos@...hat.com>, "Florian Weimer" <fweimer@...hat.com>,
 "Jann Horn" <jannh@...gle.com>, "Christian Brauner" <brauner@...nel.org>,
 "David Hildenbrand" <dhildenb@...hat.com>,
 "Geert Uytterhoeven" <geert@...ux-m68k.org>,
 Christian Göttsche <cgzones@...glemail.com>,
 "Jiri Olsa" <jolsa@...nel.org>
Subject: Re: [PATCH v20 3/5] arch: allocate vgetrandom_alloc() syscall number

On Wed, Jul 3, 2024, at 20:31, Jason A. Donenfeld wrote:
> Add vgetrandom_alloc() as syscall 463 (or 573 on alpha) by adding it to
> all of the various syscall.tbl and unistd.h files.
>
> Acked-by: Geert Uytterhoeven <geert@...ux-m68k.org>
> Signed-off-by: Jason A. Donenfeld <Jason@...c4.com>

I checked that the system calls are all hooked up correctly
across all architectures:

Acked-by: Arnd Bergmann <arnd@...db.de>

Unfortunately we now have three syscalls scheduled for
the number 463, the other ones being uretprobe (only
for arc, arm64, csky, hexagon, loongarch, nios2, openrisc,
riscv and x86 for some reason) and setxattrat (on
all architectures).

It would be nice if you could all coordinate on this to
pick unique numbers.

       Arnd