[gnome-continuous-yocto/gnomeostree-3.28-rocko: 7931/8267] kernel-dev: Additions to the "Overview" section.

[Emmanuele Bassi <ebassi src gnome org>]

commit bace1910d913e5b47730588f01b9bd0d78f21c91
Author: Scott Rifenbark <srifenbark gmail com>
Date:   Thu Sep 28 15:36:35 2017 -0700

    kernel-dev: Additions to the "Overview" section.
    
    I provided some background on two repositories: yocto-kernel-cache
    and yocto-kernel-tools.
    
    (From yocto-docs rev: 1741d6efd4ff8364a55d546897cab5e7cdee6da5)
    
    Signed-off-by: Scott Rifenbark <srifenbark gmail com>
    Signed-off-by: Richard Purdie <richard purdie linuxfoundation org>

 documentation/kernel-dev/kernel-dev-advanced.xml |   24 ++++++++++++++++++++-
 1 files changed, 22 insertions(+), 2 deletions(-)
---
diff --git a/documentation/kernel-dev/kernel-dev-advanced.xml 
b/documentation/kernel-dev/kernel-dev-advanced.xml
index 380200a..812c775 100644
--- a/documentation/kernel-dev/kernel-dev-advanced.xml
+++ b/documentation/kernel-dev/kernel-dev-advanced.xml
@@ -13,11 +13,31 @@
         Yocto Project kernel tools also support rich
         <ulink url='&YOCTO_DOCS_REF_URL;#metadata'>Metadata</ulink> that you can
         use to define complex policies and Board Support Package (BSP) support.
-        The purpose of the Metadata and the tools that manage it, known as
-        the kern-tools (<filename>kern-tools-native_git.bb</filename>), is
+        The purpose of the Metadata and the tools that manage it is
         to help you manage the complexity of the configuration and sources
         used to support multiple BSPs and Linux kernel types.
     </para>
+
+    <para>
+        Kernel Metadata exists in many places.
+        One area in the Yocto Project
+        <ulink url='&YOCTO_DOCS_REF_URL;#source-repositories'>Source Repositories</ulink>
+        is the <filename>yocto-kernel-cache</filename> Git repository.
+        You can find this repository grouped under the "Yocto Linux Kernel"
+        heading in the
+        <ulink url='&YOCTO_GIT_URL;'>Yocto Project Source Repositories</ulink>.
+    </para>
+
+    <para>
+        Kernel development tools ("kern-tools") exist also in the Yocto
+        Project Source Repositories under the "Yocto Linux Kernel" heading
+        in the <filename>yocto-kernel-tools</filename> Git repository.
+        The recipe that builds these tools is
+        <filename>meta/recipes-kernel/kern-tools/kern-tools-native_git.bb</filename>
+        in the
+        <ulink url='&YOCTO_DOCS_REF_URL;#source-directory'>Source Directory</ulink>
+        (e.g. <filename>poky</filename>).
+    </para>
 </section>
 
 <section id='using-kernel-metadata-in-a-recipe'>