linux-kernel - Re: [PATCH] arm64: Kconfig: make CMDLINE

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Date:   Mon, 11 Nov 2019 10:26:03 +0000
From:   Will Deacon <will@...nel.org>
To:     Anders Roxell <anders.roxell@...aro.org>
Cc:     catalin.marinas@....com, john.garry@...wei.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: Kconfig: make CMDLINE_FORCE depend on CMDLINE

On Mon, Nov 11, 2019 at 09:59:56AM +0100, Anders Roxell wrote:
> When building allmodconfig KCONFIG_ALLCONFIG=$(pwd)/arch/arm64/configs/defconfig
> CONFIG_CMDLINE_FORCE gets enabled. Which forces the user to pass the
> full cmdline to CONFIG_CMDLINE="...".
> 
> Rework so that CONFIG_CMDLINE_FORCE gets set only if CONFIG_CMDLINE is
> set to something except an empty string.
> 
> Suggested-by: John Garry <john.garry@...wei.com>
> Signed-off-by: Anders Roxell <anders.roxell@...aro.org>
> ---
>  arch/arm64/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index 50df79d4aa3b..64764ca92fca 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -1629,6 +1629,7 @@ config CMDLINE
>  
>  config CMDLINE_FORCE
>  	bool "Always use the default kernel command string"
> +	depends on CMDLINE != ""
>  	help
>  	  Always use the default kernel command string, even if the boot
>  	  loader passes other arguments to the kernel.

Acked-by: Will Deacon <will@...nel.org>

Will