linux-kernel - [PATCH] tracing: Fix documentation on tp

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Message-ID: <20240323231704.1217926-1-vt@altlinux.org>
Date: Sun, 24 Mar 2024 02:17:04 +0300
From: Vitaly Chikunov <vt@...linux.org>
To: Thomas Gleixner <tglx@...utronix.de>,
	"Steven Rostedt (Red Hat)" <rostedt@...dmis.org>,
	linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Vitaly Chikunov <vt@...linux.org>,
	Jonathan Corbet <corbet@....net>
Subject: [PATCH] tracing: Fix documentation on tp_printk cmdline option

kernel-parameters.txt incorrectly states that workings of
kernel.tracepoint_printk sysctl depends on "tracepoint_printk kernel
cmdline option", this is a bit misleading for new users since the actual
cmdline option name is tp_printk.

Fixes: 0daa2302968c ("tracing: Add tp_printk cmdline to have tracepoints go to printk()")
Signed-off-by: Vitaly Chikunov <vt@...linux.org>
---
 Documentation/admin-guide/kernel-parameters.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index bb884c14b2f6..623fce7d5fcd 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -6599,7 +6599,7 @@
 			To turn off having tracepoints sent to printk,
 			 echo 0 > /proc/sys/kernel/tracepoint_printk
 			Note, echoing 1 into this file without the
-			tracepoint_printk kernel cmdline option has no effect.
+			tp_printk kernel cmdline option has no effect.
 
 			The tp_printk_stop_on_boot (see below) can also be used
 			to stop the printing of events to console at
-- 
2.42.1