linux-kernel - Re: [PATCH v2 3/5] parisc: add system call table generation support

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Date:   Mon, 1 Oct 2018 19:53:12 +0530
From:   Firoz Khan <firoz.khan@...aro.org>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     linux-parisc@...r.kernel.org,
        "James E . J . Bottomley" <jejb@...isc-linux.org>,
        Helge Deller <deller@....de>,
        Thomas Gleixner <tglx@...utronix.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Philippe Ombredanne <pombredanne@...b.com>,
        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>,
        Deepa Dinamani <deepa.kernel@...il.com>,
        Marcin Juszkiewicz <marcin.juszkiewicz@...aro.org>
Subject: Re: [PATCH v2 3/5] parisc: add system call table generation support

Hi Arnd,

On Mon, 1 Oct 2018 at 17:06, Arnd Bergmann <arnd@...db.de> wrote:
>
> On Thu, Sep 27, 2018 at 4:25 PM Firoz Khan <firoz.khan@...aro.org> wrote:
> >
> > ---
> >  arch/parisc/kernel/syscalls/Makefile       |  55 +++++
> >  arch/parisc/kernel/syscalls/syscall_32.tbl | 342 +++++++++++++++++++++++++++++
> >  arch/parisc/kernel/syscalls/syscall_64.tbl | 342 +++++++++++++++++++++++++++++
> >  arch/parisc/kernel/syscalls/syscallhdr.sh  |  35 +++
> >  arch/parisc/kernel/syscalls/syscalltbl.sh  |  42 ++++
>
> I think we absolutely want to share the .tbl files for generating all
> five outputs
> (32-bit unistd.h, 64-bit unistd.h, 32-bit native syscall-table.S, 64-bit native
> syscall-table.S, and 32-bit compat syscall-table.S) so we only
> have to modify one file when adding another syscall, and to ensure that
>  32/64 are in sync.

For this design, I need to rework. I'll update you shortly

- Firoz
>
>       Arnd