linux-kernel - Re: [PATCH] proc.5: Clarify that boot arguments can be embedded in image

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Date:   Tue, 4 Jul 2023 21:59:32 +0900
From:   Masami Hiramatsu (Google) <mhiramat@...nel.org>
To:     paulmck@...nel.org
Cc:     mtk.manpages@...il.com, mhiramat@...nel.org, corbet@....net,
        akpm@...ux-foundation.org, ndesaulniers@...gle.com, vbabka@...e.cz,
        hannes@...xchg.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] proc.5: Clarify that boot arguments can be embedded in
 image

On Fri, 30 Jun 2023 16:33:28 -0700
"Paul E. McKenney" <paulmck@...nel.org> wrote:

> With the advent of the CONFIG_BOOT_CONFIG Kconfig option, kernel boot
> arguments can now be embedded in the kernel image, either attached
> to the end of initramfs or embedded in the kernel itself.  Document
> this possibility in the /proc/cmdline entry of proc.5.

Thanks for update!

Reviewed-by: Masami Hiramatsu (Google) <mhiramat@...nel.org>

> 
> Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
> Cc: Michael Kerrisk <mtk.manpages@...il.com>
> Cc: Masami Hiramatsu <mhiramat@...nel.org>
> Cc: Jonathan Corbet <corbet@....net>
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Cc: Nick Desaulniers <ndesaulniers@...gle.com>
> Cc: Vlastimil Babka <vbabka@...e.cz>
> Cc: Johannes Weiner <hannes@...xchg.org>
> 
> diff --git a/man5/proc.5 b/man5/proc.5
> index c6684620e..141a2983c 100644
> --- a/man5/proc.5
> +++ b/man5/proc.5
> @@ -3100,6 +3100,9 @@ Often done via a boot manager such as
>  .BR lilo (8)
>  or
>  .BR grub (8).
> +Any arguments embedded in the kernel image or initramfs via 
> +.B CONFIG_BOOT_CONFIG
> +will also be displayed.
>  .TP
>  .IR /proc/config.gz " (since Linux 2.6)"
>  This file exposes the configuration options that were used


-- 
Masami Hiramatsu (Google) <mhiramat@...nel.org>