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

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Message-ID: <20180205104539.iod5anzzl3axlfbh@latitude>
Date:   Mon, 5 Feb 2018 11:45:39 +0100
From:   Jonathan Neuschäfer <j.neuschaefer@....net>
To:     Ulf Magnusson <ulfalizer@...il.com>
Cc:     linux-kernel@...r.kernel.org, robh@...nel.org,
        linux-kbuild@...r.kernel.org, tony@...mide.com,
        vgupta@...opsys.com, linus.walleij@...aro.org,
        Palmer Dabbelt <palmer@...ive.com>, sboyd@...eaurora.org,
        mina86@...a86.com, tfiga@...omium.org, paulus@...abs.org,
        yamada.masahiro@...ionext.com, paul.burton@...s.com,
        npiggin@...il.com, Albert Ou <albert@...ive.com>,
        will.deacon@....com, linux-riscv@...ts.infradead.org,
        egtvedt@...fundet.no, mgorman@...hsingularity.net, hch@....de,
        m.szyprowski@...sung.com
Subject: Re: [PATCH 06/20] riscv: Remove ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
 select

On Mon, Feb 05, 2018 at 02:21:18AM +0100, Ulf Magnusson 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(-)

Looks good.

Reviewed-by: Jonathan Neuschäfer <j.neuschaefer@....net>

> 
> 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

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