[bootlin/training-materials updates] master: Embedded Linux: improve details about LTS kernels (03323fa5)

[Michael Opdenacker]

Repository : https://github.com/bootlin/training-materials
On branch  : master
Link       : https://github.com/bootlin/training-materials/commit/03323fa59a8ac02d30fade1b1fcd56435757e4c9

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

commit 03323fa59a8ac02d30fade1b1fcd56435757e4c9
Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
Date:   Mon May 25 23:56:19 2020 +0200

    Embedded Linux: improve details about LTS kernels
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at bootlin.com>


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

03323fa59a8ac02d30fade1b1fcd56435757e4c9
 .../sysdev-linux-intro-versioning.tex              | 23 +++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

diff --git a/slides/sysdev-linux-intro-versioning/sysdev-linux-intro-versioning.tex b/slides/sysdev-linux-intro-versioning/sysdev-linux-intro-versioning.tex
index e1b3555e..439a28bd 100644
--- a/slides/sysdev-linux-intro-versioning/sysdev-linux-intro-versioning.tex
+++ b/slides/sysdev-linux-intro-versioning/sysdev-linux-intro-versioning.tex
@@ -31,18 +31,13 @@
 \end{frame}
 
 \begin{frame}[fragile]
-  \frametitle{Need for long term support}
+  \frametitle{Need for long term support (1)}
   \begin{itemize}
   \item Issue: bug and security fixes only released for most recent
     stable kernel versions. Only LTS {\em (Long Term Support)} releases
     are supported for up to 6 years.
-  \item Example at Google: starting from {\em Android O}, all new Android devices will
+  \item Example at Google: starting from {\em Android O (2017)}, all new Android devices will
     have to run such an LTS kernel.
-  \item You could also get long term support from a commercial embedded
-    Linux provider.
-  \item The {\em Civil Infrastructure Platform} project is an industry /
-    Linux Foundation effort to support selected LTS versions (starting
-    with 4.4) much longer (> 10 years). See \url{https://bit.ly/2hy1QYC}.
   \end{itemize}
   \begin{columns}
   \column{0.6\textwidth}
@@ -54,6 +49,20 @@
   \end{columns}
 \end{frame}
 
+\begin{frame}[fragile]
+  \frametitle{Need for long term support (2)}
+  \begin{itemize}
+  \item You could also get long term support from a commercial embedded
+    Linux provider.
+  \item {\em "If you are not using a supported distribution kernel, or a stable / longterm
+    kernel, you have an insecure kernel} - Greg KH, 2019\\
+    Some vulnerabilities are fixed in stable without ever getting a CVE.
+  \item The {\em Civil Infrastructure Platform} project is an industry /
+    Linux Foundation effort to support selected LTS versions (starting
+    with 4.4) much longer (> 10 years). See \url{https://bit.ly/2hy1QYC}.
+  \end{itemize}
+\end{frame}
+
 \begin{frame}[fragile]
   \frametitle{What's new in each Linux release? (1)}
   The official list of changes for each Linux release is just a