linux-kernel - Re: [PATCH v6 01/22] bootconfig: Add Extra Boot Config support

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Message-ID: <a61b3af0-e61c-f135-d7d4-3ff51b8117dc@infradead.org>
Date:   Sat, 18 Jan 2020 10:33:01 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Masami Hiramatsu <mhiramat@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>
Cc:     Ingo Molnar <mingo@...hat.com>,
        Frank Rowand <frowand.list@...il.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Tim Bird <Tim.Bird@...y.com>, Jiri Olsa <jolsa@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Tom Zanussi <tom.zanussi@...ux.intel.com>,
        Rob Herring <robh+dt@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Alexey Dobriyan <adobriyan@...il.com>,
        Jonathan Corbet <corbet@....net>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-doc@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 01/22] bootconfig: Add Extra Boot Config support

On 1/10/20 8:03 AM, Masami Hiramatsu wrote:
> diff --git a/init/Kconfig b/init/Kconfig
> index a34064a031a5..63450d3bbf12 100644
> --- a/init/Kconfig
> +++ b/init/Kconfig
> @@ -1215,6 +1215,17 @@ source "usr/Kconfig"
>  
>  endif
>  
> +config BOOT_CONFIG
> +	bool "Boot config support"
> +	select LIBXBC
> +	default y
> +	help
> +	  Extra boot config allows system admin to pass a config file as
> +	  complemental extension of kernel cmdline when booting.
> +	  The boot config file is usually attached at the end of initramfs.

Is there some other location where it might be attached?
Please explain.

> +
> +	  If unsure, say Y.
> +
>  choice
>  	prompt "Compiler optimization level"
>  	default CC_OPTIMIZE_FOR_PERFORMANCE


-- 
~Randy