linux-kernel - [PATCH bootconfig 1/3] doc: Update /proc/cmdline documentation to include boot config

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Message-Id: <20231005171747.541123-1-paulmck@kernel.org>
Date:   Thu,  5 Oct 2023 10:17:45 -0700
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-doc@...r.kernel.org
Cc:     Jonathan Corbet <corbet@....net>,
        "Masami Hiramatsu (Google)" <mhiramat@...nel.org>,
        "Paul E. McKenney" <paulmck@...nel.org>,
        Randy Dunlap <rdunlap@...radead.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Arnd Bergmann <arnd@...nel.org>
Subject: [PATCH bootconfig 1/3] doc: Update /proc/cmdline documentation to include boot config

Update the /proc/cmdline documentation to explicitly state that this
file provides kernel boot parameters obtained via boot config from the
kernel image as well as those supplied by the boot loader.

Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
Acked-by: Masami Hiramatsu (Google) <mhiramat@...nel.org>
Reviewed-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Jonathan Corbet <corbet@....net>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Stephen Rothwell <sfr@...b.auug.org.au>
Cc: Arnd Bergmann <arnd@...nel.org>
---
 Documentation/filesystems/proc.rst | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Documentation/filesystems/proc.rst b/Documentation/filesystems/proc.rst
index 2b59cff8be17..5703b0e87cbe 100644
--- a/Documentation/filesystems/proc.rst
+++ b/Documentation/filesystems/proc.rst
@@ -691,7 +691,8 @@ files are there, and which are missing.
  apm          Advanced power management info
  buddyinfo    Kernel memory allocator information (see text)	(2.5)
  bus          Directory containing bus specific information
- cmdline      Kernel command line
+ cmdline      Kernel command line, both from bootloader and embedded
+ 	      in the kernel image
  cpuinfo      Info about the CPU
  devices      Available devices (block and character)
  dma          Used DMS channels
-- 
2.40.1