From 4fc256d14516361c3235c932027fac765250a231 Mon Sep 17 00:00:00 2001
From: Scott Rifenbark <srifenbark@gmail.com>
Date: Fri, 29 Jul 2016 11:24:43 -0700
Subject: ref-manual: Updated the INITRAMFS_FSTYPES variable.

Fixes [YOCTO #10012]

Added a new paragraph to the end explaining the default behavior.

(From yocto-docs rev: 1591f96fc04f64906145f272d205ec6c44ac70c0)

Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
---
 documentation/ref-manual/ref-variables.xml | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index 973a761b95..c7f1122fd4 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -6073,6 +6073,17 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
                     <link linkend='var-IMAGE_FSTYPES'><filename>IMAGE_FSTYPES</filename></link>
                     variable.
                 </para>
+
+                <para>
+                    The default value of this variable, which is set in the
+                    <filename>meta/conf/bitbake.conf</filename> configuration
+                    file in the
+                    <ulink url='&YOCTO_DOCS_DEV_URL;#source-directory'>Source Directory</ulink>,
+                    is "cpio.gz".
+                    The Linux kernel's initramfs mechanism, as opposed to the
+                    initrd mechanism, expects an optionally compressed cpio
+                    archive.
+                </para>
             </glossdef>
         </glossentry>
 
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