linux-kernel - Re: [PATCH 06/20] riscv: Remove ARCH_HAS_ATOMIC64_DEC_IF

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Message-ID: <mhng-2395f66f-11f6-4209-86b2-71482e5cf52b@palmer-si-x1c4>
Date:   Thu, 08 Feb 2018 10:34:17 -0800 (PST)
From:   Palmer Dabbelt <palmer@...ive.com>
To:     ulfalizer@...il.com
CC:     linux-kernel@...r.kernel.org, linux-kbuild@...r.kernel.org,
        tfiga@...omium.org, paul.burton@...s.com, m.szyprowski@...sung.com,
        egtvedt@...fundet.no, linus.walleij@...aro.org,
        vgupta@...opsys.com, mgorman@...hsingularity.net,
        Christoph Hellwig <hch@....de>, mina86@...a86.com,
        robh@...nel.org, sboyd@...eaurora.org, paulus@...abs.org,
        Will Deacon <will.deacon@....com>, tony@...mide.com,
        npiggin@...il.com, yamada.masahiro@...ionext.com,
        ulfalizer@...il.com, albert@...ive.com,
        linux-riscv@...ts.infradead.org
Subject:     Re: [PATCH 06/20] riscv: Remove ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE select

On Sun, 04 Feb 2018 17:21:18 PST (-0800), ulfalizer@...il.com wrote:
> The ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE symbol was removed in
> commit 51a021244b9d ("atomic64: no need for
> CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE").
>
> Remove the ARCH_HAS_ATOMIC64_DEC_IS_POSITIVE select from RISCV.
>
> Discovered with the
> https://github.com/ulfalizer/Kconfiglib/blob/master/examples/list_undefined.py
> script.
>
> Signed-off-by: Ulf Magnusson <ulfalizer@...il.com>
> ---
>  arch/riscv/Kconfig | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
> index b6722c246d9c..ff69c77b9e78 100644
> --- a/arch/riscv/Kconfig
> +++ b/arch/riscv/Kconfig
> @@ -8,7 +8,6 @@ config RISCV
>  	select OF
>  	select OF_EARLY_FLATTREE
>  	select OF_IRQ
> -	select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
>  	select ARCH_WANT_FRAME_POINTERS
>  	select CLONE_BACKWARDS
>  	select COMMON_CLK

Thanks!

Reviewed-by: Palmer Dabbelt <palmer@...ive.com>