linux-kernel - Re: [PATCH 3/5] asm-generic: Register fchmodat4 as syscall 428

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Message-ID: <CAK8P3a2=xko56LbwV4tyhyyyX+tw+EV-NGavYEYj0q61t=mnwg@mail.gmail.com>
Date:   Fri, 31 May 2019 21:56:39 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Palmer Dabbelt <palmer@...ive.com>
Cc:     Al Viro <viro@...iv.linux.org.uk>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux FS-devel Mailing List <linux-fsdevel@...r.kernel.org>,
        Linux API <linux-api@...r.kernel.org>,
        linux-arch <linux-arch@...r.kernel.org>,
        "the arch/x86 maintainers" <x86@...nel.org>,
        Andy Lutomirski <luto@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH 3/5] asm-generic: Register fchmodat4 as syscall 428

On Fri, May 31, 2019 at 9:23 PM Palmer Dabbelt <palmer@...ive.com> wrote:
>
> Signed-off-by: Palmer Dabbelt <palmer@...ive.com>

As usual, each patch needs a changelog text. I would prefer having a single
patch here that changes /all/ system call tables at once, rather than doing one
at a time like we used to.

In linux-next, we are at number 434 now, and there are a couple of other
new system calls being proposed right now (more than usual), so you may
have to change the number a few times.

Note: most architectures use .tbl files now, the exceptions are
include/uapi/asm-generic/unistd.h and arch/arm64/include/asm/unistd32.h,
and the latter also requires changing __NR_compat_syscalls in asm/unistd.h.

Numbers should now be the same across architectures, except for alpha,
which has a +110 offset. We have discussed ways to have a single
file to modify for a new call on all architectures, but no patches yet.

     Arnd