add printk.time=1 boot-time hint to Kconfig.debug help text

Cite Documentation/kernel-parameters.txt for an alternative to
building with PRINTK_TIME compiled in.

Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 6f440d8..b38cc34 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -7,7 +7,8 @@ config PRINTK_TIME
          included in printk output.  This allows you to measure
          the interval between kernel operations, including bootup
          operations.  This is useful for identifying long delays
-         in kernel startup.
+         in kernel startup.  Or add printk.time=1 at boot-time.
+         See Documentation/kernel-parameters.txt
 
 config ENABLE_WARN_DEPRECATED
        bool "Enable __deprecated logic"