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| author | Kyungsik Lee <kyungsik.lee@lge.com> | 2013-07-08 16:01:46 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-07-09 10:33:30 -0700 |
| commit | e76e1fdfa8f8dc1ea6699923cf5d92b5bee9c936 (patch) | |
| tree | d216233bcf256a8a3d8912cebbbf82032bb7b715 /lib/decompress.c | |
| parent | cffb78b0e0b3a30b059b27a1d97500cf6464efa9 (diff) | |
| download | linux-e76e1fdfa8f8dc1ea6699923cf5d92b5bee9c936.tar.gz linux-e76e1fdfa8f8dc1ea6699923cf5d92b5bee9c936.tar.bz2 linux-e76e1fdfa8f8dc1ea6699923cf5d92b5bee9c936.zip | |
lib: add support for LZ4-compressed kernel
Add support for extracting LZ4-compressed kernel images, as well as
LZ4-compressed ramdisk images in the kernel boot process.
Signed-off-by: Kyungsik Lee <kyungsik.lee@lge.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Florian Fainelli <florian@openwrt.org>
Cc: Yann Collet <yann.collet.73@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib/decompress.c')
| -rw-r--r-- | lib/decompress.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/decompress.c b/lib/decompress.c index f8fdedaf7b3d..4d1cd0397aab 100644 --- a/lib/decompress.c +++ b/lib/decompress.c @@ -11,6 +11,7 @@ #include <linux/decompress/unxz.h> #include <linux/decompress/inflate.h> #include <linux/decompress/unlzo.h> +#include <linux/decompress/unlz4.h> #include <linux/types.h> #include <linux/string.h> @@ -31,6 +32,9 @@ #ifndef CONFIG_DECOMPRESS_LZO # define unlzo NULL #endif +#ifndef CONFIG_DECOMPRESS_LZ4 +# define unlz4 NULL +#endif struct compress_format { unsigned char magic[2]; @@ -45,6 +49,7 @@ static const struct compress_format compressed_formats[] __initconst = { { {0x5d, 0x00}, "lzma", unlzma }, { {0xfd, 0x37}, "xz", unxz }, { {0x89, 0x4c}, "lzo", unlzo }, + { {0x02, 0x21}, "lz4", unlz4 }, { {0, 0}, NULL, NULL } }; |