[RFC PATCH 2/2] docs: kernel-parameters: Add ftrace_disabled

[Tiezhu Yang]

Explain the cmdline argument ftrace_disabled in the file
Documentation/admin-guide/kernel-parameters.txt

Signed-off-by: Tiezhu Yang <yangtiezhu@xxxxxxxxxxx>
---
 Documentation/admin-guide/kernel-parameters.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index cb89dbd..f255aff 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -1392,6 +1392,10 @@
 			dump only the buffer of the CPU that triggered the
 			oops.
 
+	ftrace_disabled
+			Set ftrace_disabled in cmdline to disable ftrace when
+			boot up.
+
 	ftrace_filter=[function-list]
 			[FTRACE] Limit the functions traced by the function
 			tracer at boot up. function-list is a comma-separated
-- 
2.1.0