linux-kernel - [PATCH -next] x86, doc: Add LZ4 magic number for the new compression

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Message-Id: <1366952933-31331-1-git-send-email-kyungsik.lee@lge.com>
Date:	Fri, 26 Apr 2013 14:08:53 +0900
From:	Kyungsik Lee <kyungsik.lee@....com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	"H. Peter Anvin" <hpa@...or.com>, Rob Landley <rob@...dley.net>
Cc:	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-kbuild@...r.kernel.org, x86@...nel.org,
	celinux-dev@...ts.celinuxforum.org, hyojun.im@....com,
	chan.jeong@....com, raphael.andy.lee@...il.com,
	Kyungsik Lee <kyungsik.lee@....com>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	Russell King <rmk@....linux.org.uk>,
	Borislav Petkov <bp@...en8.de>,
	Florian Fainelli <florian@...nwrt.org>,
	Yann Collet <yann.collet.73@...il.com>
Subject: [PATCH -next] x86, doc: Add LZ4 magic number for the new compression

Documentation/x86/boot.txt is updated to list the LZ4 magic number.
This LZ4 magic number is used for the new compression format.

Signed-off-by: Kyungsik Lee <kyungsik.lee@....com>
Cc: "H. Peter Anvin" <hpa@...or.com>
Cc: Ingo Molnar <mingo@...e.hu>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Russell King <rmk@....linux.org.uk>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Florian Fainelli <florian@...nwrt.org>
Cc: Yann Collet <yann.collet.73@...il.com>
---
 Documentation/x86/boot.txt | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/Documentation/x86/boot.txt b/Documentation/x86/boot.txt
index 3840b6f..fc66d42 100644
--- a/Documentation/x86/boot.txt
+++ b/Documentation/x86/boot.txt
@@ -657,9 +657,10 @@ Protocol:	2.08+
   uncompressed data should be determined using the standard magic
   numbers.  The currently supported compression formats are gzip
   (magic numbers 1F 8B or 1F 9E), bzip2 (magic number 42 5A), LZMA
-  (magic number 5D 00), and XZ (magic number FD 37).  The uncompressed
-  payload is currently always ELF (magic number 7F 45 4C 46).
-  
+  (magic number 5D 00), XZ (magic number FD 37), and LZ4 (magic number
+  02 21).  The uncompressed payload is currently always ELF (magic
+  number 7F 45 4C 46).
+
 Field name:	payload_length
 Type:		read
 Offset/size:	0x24c/4
-- 
1.8.1.1

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