Document the isoboot option, as designed for GRUB2 usage 3 years ago.

diff --git a/ChangeLog b/ChangeLog
index 53bf29d8d3711a0f616323e556fbcdc732794503..26b9a5a0927f64f13d64ac3ca22d7e69f7e7bc3a 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -4,6 +4,9 @@
 # - 2008-2011 Various authors (see AUTHORS)
 # Distributed under the GPL v2
 # $Id$
+  
+  15 July 2012; Robin H. Johnson <robbat2@gentoo.org> doc/genkernel.8.txt,
+  Document the isoboot option, as designed for GRUB2 usage 3 years ago.
 
   09 Jul 2012; Sebastian Pipping <sping@gentoo.org> genkernel:
   Bump version to 3.4.38

diff --git a/doc/genkernel.8.txt b/doc/genkernel.8.txt
index 45c52b9dddb2a2c585bb95d73f239f2e342b90d8..547b7fe4732b22f9a409b5a46e9eeca2a2bfecee 100644 (file)
--- a/doc/genkernel.8.txt
+++ b/doc/genkernel.8.txt
@@ -552,7 +552,8 @@ which the ramdisk scripts would recognize.
     TO BE DOCUMENTED
 
 *isoboot*=<...>::
-    TO BE DOCUMENTED
+    Loop-mount an ISO file from the boot device to get the filesystem image.
+    Useful with chain-loading environments and USB keys.
 
 
 NETBOOTING