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-rw-r--r--Documentation/admin-guide/dynamic-debug-howto.rst5
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/admin-guide/dynamic-debug-howto.rst b/Documentation/admin-guide/dynamic-debug-howto.rst
index 0e9b48daf690..7c036590cd07 100644
--- a/Documentation/admin-guide/dynamic-debug-howto.rst
+++ b/Documentation/admin-guide/dynamic-debug-howto.rst
@@ -26,6 +26,11 @@ Dynamic debug provides:
- format string
- class name (as known/declared by each module)
+NOTE: To actually get the debug-print output on the console, you may
+need to adjust the kernel ``loglevel=``, or use ``ignore_loglevel``.
+Read about these kernel parameters in
+Documentation/admin-guide/kernel-parameters.rst.
+
Viewing Dynamic Debug Behaviour
===============================