linux-kernel - Re: [PATCH 4/8] asm-generic: Make time32 syscall numbers optional

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Message-ID: <CAK8P3a0UD7_omc4=o7VLaLKUX4Z1eWXU15TeqgvjXfhyv+7xCA@mail.gmail.com>
Date:   Tue, 19 Feb 2019 21:29:01 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     y2038 Mailman List <y2038@...ts.linaro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Linux-Arch <linux-arch@...r.kernel.org>,
        Linux API <linux-api@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Yury Norov <yury.norov@...il.com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "open list:QUALCOMM HEXAGON..." <linux-hexagon@...r.kernel.org>,
        "moderated list:H8/300 ARCHITECTURE" 
        <uclinux-h8-devel@...ts.sourceforge.jp>,
        Stafford Horne <shorne@...il.com>,
        Vineet Gupta <vgupta@...opsys.com>,
        Palmer Dabbelt <palmer@...ive.com>,
        Guo Ren <guoren@...nel.org>, Greentime Hu <green.hu@...il.com>,
        linux-riscv@...ts.infradead.org, Guan Xuetao <gxt@....edu.cn>
Subject: Re: [PATCH 4/8] asm-generic: Make time32 syscall numbers optional

On Tue, Feb 19, 2019 at 9:06 PM Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
>
> Hi Arnd,
>
> On Tue, Feb 19, 2019 at 3:34 AM Arnd Bergmann <arnd@...db.de> wrote:
> > We don't want new architectures to even provide the old 32-bit time_t
> > based system calls any more, or define the syscall number macros.
> >
> > Add a new __ARCH_WANT_TIME32_SYSCALLS macro that gets enabled for all
> > existing 32-bit architectures so we don't change any current behavior.
>
> ... (only) 32-bit architectures using the generic syscall list, right?

Correct, I've added a clarification in the commit text in my git tree now,
thanks for the proofreading!

       Arnd