[FE training-materials-updates] Boot time slides: misc fixes and improvements

[Michael Opdenacker]

Repository : git://git.free-electrons.com/training-materials.git

On branch  : master
Link       : http://git.free-electrons.com/training-materials/commit/?id=82a525d3e5b96f1aa3ad2926d3b4b99b5ad1150a

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

commit 82a525d3e5b96f1aa3ad2926d3b4b99b5ad1150a
Author: Michael Opdenacker <michael.opdenacker at free-electrons.com>
Date:   Thu Jan 2 06:42:37 2014 +0100

    Boot time slides: misc fixes and improvements
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at free-electrons.com>


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

82a525d3e5b96f1aa3ad2926d3b4b99b5ad1150a
 slides/boottime-kernel/boottime-kernel.tex |   33 +++++++++++++---------------
 1 file changed, 15 insertions(+), 18 deletions(-)

diff --git a/slides/boottime-kernel/boottime-kernel.tex b/slides/boottime-kernel/boottime-kernel.tex
index 77351d8..4c52c92 100644
--- a/slides/boottime-kernel/boottime-kernel.tex
+++ b/slides/boottime-kernel/boottime-kernel.tex
@@ -94,7 +94,7 @@ First, we focus on reducing the size without removing features
 	\item Remove features that are not used by userland:
 		\code{CONFIG_KALLSYMS}, \code{CONFIG_DEBUG_FS},
 		\code{CONFIG_BUG}
-	\item use features designed for embedded systems:
+	\item Use features designed for embedded systems:
 		\code{CONFIG_SLOB}, \code{CONFIG_EMBEDDED}
 \end{itemize}
 \end{frame}
@@ -205,33 +205,30 @@ To shave off the last milliseconds, you will probably want to remove
 unnecessary features:
 \begin{itemize}
         \item \code{CONFIG_PRINTK=n} will have the same effect as the
-\code{quiet}
-                argument but you won't have any access to kernel
-messages.
+              \code{quiet} command line argument but you won't have
+	      any access to kernel messages. You will have a
+              significantly smaller kernel though.
         \item Try \code{CONFIG_CC_OPTIMIZE_FOR_SIZE=y}. This will have
-an
-                impact on the performance, you will have to benchmark.
+              an impact on performance, you will have to benchmark.
         \item Try to initialize less RAM by passing a \code{mem} value
-on the
-                kernel command line. The less RAM you need to
-initialize, the
-                faster you will boot.
-        \item Module loading/unloading
-        \item Block layer
-        \item Network stack
-        \item USB stack
+              on the kernel command line. The less RAM you need to
+              initialize, the faster you will boot.
 \end{itemize}
 \end{frame}
 
 \begin{frame}
-\frametitle{Kernel (last milliseconds (2)}
+\frametitle{Kernel last milliseconds (2)}
+More features you could remove:
 \begin{itemize}
-        \item a.out format
-        \item power management
+        \item Module loading/unloading
+        \item Block layer
+        \item Network stack
+        \item USB stack
+        \item Power management features
         \item \code{CONFIG_SYSFS_DEPRECATED}
         \item Input: keyboards / mice / touchscreens
         \item \code{CONFIG_LEGACY_PTY_COUNT} or the
-                \code{pty.legacy_count} kernel parameter
+              \code{pty.legacy_count} kernel parameter
 \end{itemize}
 \end{frame}