linux-kernel - Re: [PATCH v4 0/4] m68k: system call table generation support

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Message-ID: <CAMuHMdXPR7WgPe5nPh3Lcc6FDxTNDYyOmV1oKU=BLcS2H7MPgA@mail.gmail.com>
Date:   Sat, 27 Oct 2018 16:47:20 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     firoz.khan@...aro.org
Cc:     linux-m68k <linux-m68k@...ts.linux-m68k.org>,
        Greg KH <gregkh@...uxfoundation.org>,
        Philippe Ombredanne <pombredanne@...b.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        y2038 Mailman List <y2038@...ts.linaro.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux-Arch <linux-arch@...r.kernel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Deepa Dinamani <deepa.kernel@...il.com>,
        marcin.juszkiewicz@...aro.org
Subject: Re: [PATCH v4 0/4] m68k: system call table generation support

Hi Firoz,

On Fri, Oct 26, 2018 at 7:06 AM Firoz Khan <firoz.khan@...aro.org> wrote:
> The purpose of this patch series is, we can easily add/modify/delete
> system call table support by changing entry in syscall.tbl file
> instead of manually changing many files. The other goal is to unify
> the system call table generation support implementation across all
> the architectures.
>
> The system call tables are in different format in all architecture.
> It will be difficult to manually add, modify or delete the system
> calls in the respective files manually. To make it easy by keeping
> a script and which'll generate uapi header file and syscall table
> file.
>
> syscall.tbl contains the list of available system calls along with
> system call number and corresponding entry point. Add a new system
> call in this architecture will be possible by adding new entry in
> the syscall.tbl file.
>
> Adding a new table entry consisting of:
>         - System call number.
>         - ABI.
>         - System call name.
>         - Entry point name.
>
> ARM, s390 and x86 architecuture does exist the similar support. I
> leverage their implementation to come up with a generic solution.
>
> I have done the same support for work for alpha, ia64, microblaze,
> mips, parisc, powerpc, sh, sparc, and xtensa. Below mentioned git
> repository contains more details.
> Git repo:- https://github.com/frzkhn/system_call_table_generator/
>
> Finally, this is the ground work to solve the Y2038 issue. We need
> to add two dozen of system calls to solve Y2038 issue. So this patch
> series will help to add new system calls easily by adding new entry
> in the syscall.tbl.

Thanks for the update!

Can you please tell the audience what has been changed in v4?

When posting a new version of a patch or patch series, it is a good
idea to include a changelog in the cover letter and/or patches.

Thanks!

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