[bootlin/training-materials updates] master: Improve explainations about the "tainted" file (55e5b4c8)

[Michael Opdenacker]

Repository : https://github.com/bootlin/training-materials
On branch  : master
Link       : https://github.com/bootlin/training-materials/commit/55e5b4c85c5cc1e810386fc14ccfcdd5c89f34b5

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

commit 55e5b4c85c5cc1e810386fc14ccfcdd5c89f34b5
Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
Date:   Tue Mar 26 10:25:50 2019 +0100

    Improve explainations about the "tainted" file
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at bootlin.com>


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

55e5b4c85c5cc1e810386fc14ccfcdd5c89f34b5
 .../kernel-driver-development-modules.tex                              | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/slides/kernel-driver-development-modules/kernel-driver-development-modules.tex b/slides/kernel-driver-development-modules/kernel-driver-development-modules.tex
index 190e4a68..20dd8b25 100644
--- a/slides/kernel-driver-development-modules/kernel-driver-development-modules.tex
+++ b/slides/kernel-driver-development-modules/kernel-driver-development-modules.tex
@@ -118,7 +118,8 @@ MODULE_AUTHOR("William Shakespeare");
       proprietary drivers, which they can't do anything about
       (“Tainted” kernel notice in kernel crashes and oopses).
     \item Useful for users to check that their system is 100\% free
-      (check \code{/proc/sys/kernel/tainted})
+      (for the kernel, check \code{/proc/sys/kernel/tainted}; run
+      \code{vrms} to check installed packages)
     \item See \kerneldochtml{admin-guide/tainted-kernels}
       for details about \code{tainted} flag values.
     \end{itemize}