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authorLinus Torvalds <torvalds@linux-foundation.org>2013-07-09 13:33:36 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-07-09 13:33:36 -0700
commita82a729f04232ccd0b59406574ba4cf20027a49d (patch)
treeda5912344b00ed60a1a653fc2442db7425db289d /arch/arm/boot/compressed
parent899dd388853071f5c8848545209d4e2c5d95b1d9 (diff)
parent27daabd9b6a157c34a6e7a7f509fa26866e6420f (diff)
Merge branch 'akpm' (updates from Andrew Morton)
Merge second patch-bomb from Andrew Morton: - misc fixes - audit stuff - fanotify/inotify/dnotify things - most of the rest of MM. The new cache shrinker code from Glauber and Dave Chinner probably isn't quite stabilized yet. - ptrace - ipc - partitions - reboot cleanups - add LZ4 decompressor, use it for kernel compression * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (118 commits) lib/scatterlist: error handling in __sg_alloc_table() scsi_debug: fix do_device_access() with wrap around range crypto: talitos: use sg_pcopy_to_buffer() lib/scatterlist: introduce sg_pcopy_from_buffer() and sg_pcopy_to_buffer() lib/scatterlist: factor out sg_miter_get_next_page() from sg_miter_next() crypto: add lz4 Cryptographic API lib: add lz4 compressor module arm: add support for LZ4-compressed kernel lib: add support for LZ4-compressed kernel decompressor: add LZ4 decompressor module lib: add weak clz/ctz functions reboot: move arch/x86 reboot= handling to generic kernel reboot: arm: change reboot_mode to use enum reboot_mode reboot: arm: prepare reboot_mode for moving to generic kernel code reboot: arm: remove unused restart_mode fields from some arm subarchs reboot: unicore32: prepare reboot_mode for moving to generic kernel code reboot: x86: prepare reboot_mode for moving to generic kernel code reboot: checkpatch.pl the new kernel/reboot.c file reboot: move shutdown/reboot related functions to kernel/reboot.c reboot: remove -stable friendly PF_THREAD_BOUND define ...
Diffstat (limited to 'arch/arm/boot/compressed')
-rw-r--r--arch/arm/boot/compressed/.gitignore1
-rw-r--r--arch/arm/boot/compressed/Makefile3
-rw-r--r--arch/arm/boot/compressed/decompress.c4
-rw-r--r--arch/arm/boot/compressed/piggy.lz4.S6
4 files changed, 13 insertions, 1 deletions
diff --git a/arch/arm/boot/compressed/.gitignore b/arch/arm/boot/compressed/.gitignore
index f79a08efe000..47279aa96a6a 100644
--- a/arch/arm/boot/compressed/.gitignore
+++ b/arch/arm/boot/compressed/.gitignore
@@ -6,6 +6,7 @@ piggy.gzip
piggy.lzo
piggy.lzma
piggy.xzkern
+piggy.lz4
vmlinux
vmlinux.lds
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index 48d0a44270bd..7ac1610252ba 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -91,6 +91,7 @@ suffix_$(CONFIG_KERNEL_GZIP) = gzip
suffix_$(CONFIG_KERNEL_LZO) = lzo
suffix_$(CONFIG_KERNEL_LZMA) = lzma
suffix_$(CONFIG_KERNEL_XZ) = xzkern
+suffix_$(CONFIG_KERNEL_LZ4) = lz4
# Borrowed libfdt files for the ATAG compatibility mode
@@ -115,7 +116,7 @@ targets := vmlinux vmlinux.lds \
font.o font.c head.o misc.o $(OBJS)
# Make sure files are removed during clean
-extra-y += piggy.gzip piggy.lzo piggy.lzma piggy.xzkern \
+extra-y += piggy.gzip piggy.lzo piggy.lzma piggy.xzkern piggy.lz4 \
lib1funcs.S ashldi3.S $(libfdt) $(libfdt_hdrs) \
hyp-stub.S
diff --git a/arch/arm/boot/compressed/decompress.c b/arch/arm/boot/compressed/decompress.c
index 24b0475cb8bf..bd245d34952d 100644
--- a/arch/arm/boot/compressed/decompress.c
+++ b/arch/arm/boot/compressed/decompress.c
@@ -51,6 +51,10 @@ extern char * strstr(const char * s1, const char *s2);
#include "../../../../lib/decompress_unxz.c"
#endif
+#ifdef CONFIG_KERNEL_LZ4
+#include "../../../../lib/decompress_unlz4.c"
+#endif
+
int do_decompress(u8 *input, int len, u8 *output, void (*error)(char *x))
{
return decompress(input, len, NULL, NULL, output, NULL, error);
diff --git a/arch/arm/boot/compressed/piggy.lz4.S b/arch/arm/boot/compressed/piggy.lz4.S
new file mode 100644
index 000000000000..3d9a575618a3
--- /dev/null
+++ b/arch/arm/boot/compressed/piggy.lz4.S
@@ -0,0 +1,6 @@
+ .section .piggydata,#alloc
+ .globl input_data
+input_data:
+ .incbin "arch/arm/boot/compressed/piggy.lz4"
+ .globl input_data_end
+input_data_end: