driver core: basic infrastructure for per-module dynamic debug messages

[mirror_ubuntu-artful-kernel.git] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 2443f5bb43648e5a2c50bc94d33703f88360880a..b429c84ceef206124fbb959e17754981ca6e7964 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1713,6 +1713,11 @@ and is between 256 and 4096 characters. It is defined in the file
                        autoconfiguration.
                        Ranges are in pairs (memory base and size).
 
+       dynamic_printk
+                       Enables pr_debug()/dev_dbg() calls if
+                       CONFIG_DYNAMIC_PRINTK_DEBUG has been enabled. These can also
+                       be switched on/off via <debugfs>/dynamic_printk/modules
+
        print-fatal-signals=
                        [KNL] debug: print fatal signals
                        print-fatal-signals=1: print segfault info to