The patch titled
Subject: x86, doc: Add LZ4 magic number for the new compression
has been added to the -mm tree. Its filename is
x86-add-support-for-lz4-compressed-kernel-doc-add-lz4-magic-number-for-the-new-compression.patch
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From: Kyungsik Lee <kyungsik.lee@xxxxxxx>
Subject: 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@xxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Russell King <rmk@xxxxxxxxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Florian Fainelli <florian@xxxxxxxxxxx>
Cc: Yann Collet <yann.collet.73@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/x86/boot.txt | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff -puN Documentation/x86/boot.txt~x86-add-support-for-lz4-compressed-kernel-doc-add-lz4-magic-number-for-the-new-compression Documentation/x86/boot.txt
--- a/Documentation/x86/boot.txt~x86-add-support-for-lz4-compressed-kernel-doc-add-lz4-magic-number-for-the-new-compression
+++ a/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
_
Patches currently in -mm which might be from kyungsik.lee@xxxxxxx are
decompressor-add-lz4-decompressor-module.patch
lib-add-support-for-lz4-compressed-kernel.patch
arm-add-support-for-lz4-compressed-kernel.patch
x86-add-support-for-lz4-compressed-kernel.patch
x86-add-support-for-lz4-compressed-kernel-doc-add-lz4-magic-number-for-the-new-compression.patch
lib-add-lz4-compressor-module.patch
crypto-add-lz4-cryptographic-api.patch
crypto-add-lz4-cryptographic-api-fix.patch
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