[bootlin/training-materials updates] master: labs/sysdev-kernel-cross-compiling: explain than multi_v7_defconfig is huge (43b88b3c)

[Thomas Petazzoni]

Repository : https://github.com/bootlin/training-materials
On branch  : master
Link       : https://github.com/bootlin/training-materials/commit/43b88b3cd23647671440be170799a0539b7f6131

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commit 43b88b3cd23647671440be170799a0539b7f6131
Author: Thomas Petazzoni <thomas.petazzoni at bootlin.com>
Date:   Thu Sep 22 15:44:46 2022 +0200

    labs/sysdev-kernel-cross-compiling: explain than multi_v7_defconfig is huge
    
    Even with the removal of support for other platforms.
    
    Signed-off-by: Thomas Petazzoni <thomas.petazzoni at bootlin.com>


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43b88b3cd23647671440be170799a0539b7f6131
 .../sysdev-kernel-cross-compiling.tex                         | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/labs/sysdev-kernel-cross-compiling/sysdev-kernel-cross-compiling.tex b/labs/sysdev-kernel-cross-compiling/sysdev-kernel-cross-compiling.tex
index 0f726e2b..13823bbc 100644
--- a/labs/sysdev-kernel-cross-compiling/sysdev-kernel-cross-compiling.tex
+++ b/labs/sysdev-kernel-cross-compiling/sysdev-kernel-cross-compiling.tex
@@ -74,10 +74,13 @@ but this will generate a pretty big kernel with support for many other
 SoCs. However, we can reduce it to compile faster and get a small
 kernel.
 
-So, apply this configuration, and than run \code{make menuconfig},
-and in the \code{System Type} menu, remove support for all the
-SoCs except the STM32MP157 ones. Don't forget to disable the TI ones
-too which are in a submenu.
+So, apply this configuration, and than run \code{make menuconfig}, and
+in the \code{System Type} menu, remove support for all the SoCs except
+the STM32MP157 ones. Don't forget to disable the TI ones too which are
+in a submenu. Please note that this will definitely build the smallest
+and most optimized kernel for STM32MP1: \code{multi_v7_defconfig}
+enables plenty of features and drivers that will not be useful on our
+particular board.
 }
 {
 By running \code{make help}, find the proper Makefile target to