[FE training-materials-updates] Small improvements to the "loglevel" explanations

[Michael Opdenacker]

Repository : git://git.free-electrons.com/training-materials.git
On branch  : master
Link       : http://git.free-electrons.com/training-materials/commit/?id=de95e911a2ca9400a9bcc7a33921b23add0b8adb

>---------------------------------------------------------------

commit de95e911a2ca9400a9bcc7a33921b23add0b8adb
Author: Michael Opdenacker <michael.opdenacker at free-electrons.com>
Date:   Tue Nov 28 10:29:19 2017 +0100

    Small improvements to the "loglevel" explanations
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at free-electrons.com>


>---------------------------------------------------------------

de95e911a2ca9400a9bcc7a33921b23add0b8adb
 slides/sysdev-linux-intro-modules/sysdev-linux-intro-modules.tex | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/slides/sysdev-linux-intro-modules/sysdev-linux-intro-modules.tex b/slides/sysdev-linux-intro-modules/sysdev-linux-intro-modules.tex
index f4b06ed..e8f6235 100644
--- a/slides/sysdev-linux-intro-modules/sysdev-linux-intro-modules.tex
+++ b/slides/sysdev-linux-intro-modules/sysdev-linux-intro-modules.tex
@@ -41,8 +41,10 @@
     command ({\bf d}iagnostic {\bf mes}sa{\bf g}e)
   \item Kernel log messages are also displayed in the system console
     (console messages can be filtered by level using the
-    \code{loglevel} kernel parameter, or completely disabled with the
-    \code{quiet} parameter).
+    \code{loglevel} kernel command line parameter,
+     or completely disabled with the
+    \code{quiet} parameter). Example:\\
+    \code{console=ttyS0 root=/dev/mmcblk0p2 loglevel=5} 
   \item Note that you can write to the kernel log from user space too:\\
     \code{echo "<n>Debug info" > /dev/kmsg}
   \end{itemize}