linux-kernel - [PATCH 2/3] panic: refine the document for 'panic

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Message-Id: <20250815071428.98041-3-feng.tang@linux.alibaba.com>
Date: Fri, 15 Aug 2025 15:14:27 +0800
From: Feng Tang <feng.tang@...ux.alibaba.com>
To: Andrew Morton <akpm@...ux-foundation.org>,
	Petr Mladek <pmladek@...e.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Lance Yang <lance.yang@...ux.dev>,
	Jonathan Corbet <corbet@....net>,
	linux-kernel@...r.kernel.org
Cc: paulmck@...nel.org,
	john.ogness@...utronix.de,
	Feng Tang <feng.tang@...ux.alibaba.com>,
	Askar Safin <safinaskar@...omail.com>
Subject: [PATCH 2/3] panic: refine the document for 'panic_print'

User reported current document about SYS_INFO_PANIC_CONSOLE_REPLAY
is confusing, that people could expect all user space console messages
to be replayed.

Specify that only 'kernel' messages will be replayed to solve the confusion.

Reported-by: Askar Safin <safinaskar@...omail.com>
Signed-off-by: Feng Tang <feng.tang@...ux.alibaba.com>
---
 Documentation/admin-guide/kernel-parameters.txt | 2 +-
 Documentation/admin-guide/sysctl/kernel.rst     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 747a55abf494..86f395f2933b 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -4589,7 +4589,7 @@
 			bit 2: print timer info
 			bit 3: print locks info if CONFIG_LOCKDEP is on
 			bit 4: print ftrace buffer
-			bit 5: replay all messages on consoles at the end of panic
+			bit 5: replay all kernel messages on consoles at the end of panic
 			bit 6: print all CPUs backtrace (if available in the arch)
 			bit 7: print only tasks in uninterruptible (blocked) state
 			*Be aware* that this option may print a _lot_ of lines,
diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst
index 8b49eab937d0..f3ee807b5d8b 100644
--- a/Documentation/admin-guide/sysctl/kernel.rst
+++ b/Documentation/admin-guide/sysctl/kernel.rst
@@ -890,7 +890,7 @@ bit 1  print system memory info
 bit 2  print timer info
 bit 3  print locks info if ``CONFIG_LOCKDEP`` is on
 bit 4  print ftrace buffer
-bit 5  replay all messages on consoles at the end of panic
+bit 5  replay all kernel messages on consoles at the end of panic
 bit 6  print all CPUs backtrace (if available in the arch)
 bit 7  print only tasks in uninterruptible (blocked) state
 =====  ============================================
-- 
2.43.5