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Subject[PATCH] ARM: decompressor: disable branch profiling
Date
The early kernel decrompressing code can't call into the kernel
in order to profile branches. This patch fixes below link error:

arch/arm/boot/compressed/decompress.o: In function `lzo1x_decompress_safe':
undefined reference to `ftrace_likely_update'

Signed-off-by: Qiang Chen <qiang2.chen@sonymobile.com>
---
arch/arm/boot/compressed/Makefile | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index 68c9183..384c843 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -120,6 +120,7 @@ ifeq ($(CONFIG_FUNCTION_TRACER),y)
ORIG_CFLAGS := $(KBUILD_CFLAGS)
KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
endif
+KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING

ccflags-y := -fpic -mno-single-pic-base -fno-builtin -I$(obj)
asflags-y := -DZIMAGE
--
1.8.2.2


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