linux-kernel - Re: [Next] futex.h:89:9: error: implicit declaration of function 'arch_futex_atomic_op_inuser

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Date:   Thu, 2 Dec 2021 14:48:15 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Naresh Kamboju <naresh.kamboju@...aro.org>
Cc:     Linux-Next Mailing List <linux-next@...r.kernel.org>,
        "open list:BROADCOM NVRAM DRIVER" <linux-mips@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Arnd Bergmann <arnd@...db.de>, Rich Felker <dalias@...c.org>,
        Max Filippov <jcmvbkbc@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: Re: [Next] futex.h:89:9: error: implicit declaration of function 'arch_futex_atomic_op_inuser_local'

On Thu, Dec 2, 2021 at 2:29 PM Naresh Kamboju <naresh.kamboju@...aro.org> wrote:
>
> While building Linux next 20211202 tag for sh with gcc-10
> following warnings / errors noticed.
>
> make --silent --keep-going --jobs=8
> O=/home/tuxbuild/.cache/tuxmake/builds/current ARCH=mips
> CROSS_COMPILE=mips-linux-gnu- 'CC=sccache mips-linux-gnu-gcc'
> 'HOSTCC=sccache gcc'
> In file included from /builds/linux/kernel/futex/futex.h:12,
>                  from /builds/linux/kernel/futex/core.c:41:
> /builds/linux/arch/mips/include/asm/futex.h: In function
> 'arch_futex_atomic_op_inuser':
> /builds/linux/arch/mips/include/asm/futex.h:89:9: error: implicit
> declaration of function 'arch_futex_atomic_op_inuser_local'; did you
> mean 'futex_atomic_op_inuser_local'?
> [-Werror=implicit-function-declaration]
>    89 |   ret = arch_futex_atomic_op_inuser_local(op, oparg, oval,\
>       |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Again? How many ways are there I can mess this up? It looks like
I managed to introduce a different typo here from the one I already fixed
for m68k. I'll make sure I test build all architectures before sending the
next fixup then.

        Arnd