doc: add boot protocol 2.13 description to Documentation/x86/boot.txt

Documentation/x86/boot.txt is missing protocol 2.13 description.

Reported-by: Ross Philipson <ross.philipson@oracle.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Reviewed-by: H. Peter Anvin <hpa@zytor.com>
Reviewed-by: Matt Fleming <matt@codeblueprint.co.uk>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

diff --git a/Documentation/x86/boot.txt b/Documentation/x86/boot.txt
index f4c2a97bfdbd0d1ed058013b7dbce161d5fb6d9a..223e484a1304961c86667c3b420cf7059009bfe2 100644 (file)
--- a/Documentation/x86/boot.txt
+++ b/Documentation/x86/boot.txt
@@ -61,6 +61,10 @@ Protocol 2.12:       (Kernel 3.8) Added the xloadflags field and extension fields
                to struct boot_params for loading bzImage and ramdisk
                above 4G in 64bit.
 
+Protocol 2.13: (Kernel 3.14) Support 32- and 64-bit flags being set in
+               xloadflags to support booting a 64-bit kernel from 32-bit
+               EFI
+
 **** MEMORY LAYOUT
 
 The traditional memory map for the kernel loader, used for Image or