[bootlin/training-materials updates] master: Kernel labs: suggest to use LZO compression and add reference to our boot time course (6c9f9786)
Michael Opdenacker
michael.opdenacker at bootlin.com
Wed Apr 21 12:20:02 CEST 2021
Repository : https://github.com/bootlin/training-materials
On branch : master
Link : https://github.com/bootlin/training-materials/commit/6c9f9786a077689b82897a050fdbc705273d5c02
>---------------------------------------------------------------
commit 6c9f9786a077689b82897a050fdbc705273d5c02
Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
Date: Wed Apr 21 12:20:02 2021 +0200
Kernel labs: suggest to use LZO compression and add reference to our boot time course
Signed-off-by: Michael Opdenacker <michael.opdenacker at bootlin.com>
>---------------------------------------------------------------
6c9f9786a077689b82897a050fdbc705273d5c02
.../kernel-compiling-and-nfs-booting.tex | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/labs/kernel-compiling-and-nfs-booting/kernel-compiling-and-nfs-booting.tex b/labs/kernel-compiling-and-nfs-booting/kernel-compiling-and-nfs-booting.tex
index 9caeeca0..f46be924 100644
--- a/labs/kernel-compiling-and-nfs-booting/kernel-compiling-and-nfs-booting.tex
+++ b/labs/kernel-compiling-and-nfs-booting/kernel-compiling-and-nfs-booting.tex
@@ -87,6 +87,11 @@ Add the below options to support networking over USB device:
Make sure that this configuration has \kconfigval{CONFIG_ROOT_NFS}{y} (support
booting on an NFS exported root directory).
+To save about 1 second every time you boot or reboot, as shown in our
+\href{https://bootlin.com/training/boot-time}{Embedded Linux Boot Time
+Optimization course}, you can also replace LZMA kernel compression by LZO
+compression (\kconfig{CONFIG_KERNEL_LZO}).
+
\section{Kernel compiling}
Compile your kernel and generate the Device Tree Binaries (DTBs)
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