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Message-ID: <433d742b-743b-4335-878f-1ca0f45698f7@paulmck-laptop>
Date: Fri, 30 Jun 2023 16:33:28 -0700
From: "Paul E. McKenney" <paulmck@...nel.org>
To: mtk.manpages@...il.com
Cc: 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: [PATCH] proc.5: Clarify that boot arguments can be embedded in image
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.
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
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