linux-kernel - Re: linux-next: build failure after merge of the tip tree

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Date:   Fri, 26 Nov 2021 11:01:52 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Arnd Bergmann <arnd@...db.de>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the tip tree

On Fri, Nov 26, 2021 at 4:52 AM Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> Hi all,
>
> After merging the tip tree, today's linux-next build (sparc defconfig)
> failed like this:
>
> In file included from arch/sparc/include/asm/futex_32.h:4:0,
>                  from arch/sparc/include/asm/futex.h:7,
>                  from kernel/futex/futex.h:12,
>                  from kernel/futex/core.c:41:
> kernel/futex/core.c: In function 'futex_cmpxchg_value_locked':
> include/asm-generic/futex.h:17:2: error: implicit declaration of function 'futex_atomic_cmpxchg_inatomic_local_generic'; did you mean 'futex_atomic_cmpxchg_inatomic_local'? [-Werror=implicit-function-declaration]
>   futex_atomic_cmpxchg_inatomic_local_generic(uval, uaddr, oldval, newval)
>   ^
> include/asm-generic/futex.h:17:2: note: in definition of macro 'futex_atomic_cmpxchg_inatomic'
>   futex_atomic_cmpxchg_inatomic_local_generic(uval, uaddr, oldval, newval)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Thanks a lot for the report, I sent a fix now:

https://lore.kernel.org/lkml/20211126095852.455492-1-arnd@kernel.org

        Arnd