ftrace: Add -mfentry to Makefile on function tracer

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / Makefile

diff --git a/Makefile b/Makefile
index ddf5be952e456904ba009fbbe0d1c8e0a42470b7..e7ca93f17851d87133e137805bf20ba8b15719ff 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -609,7 +609,11 @@ KBUILD_CFLAGS      += $(call cc-option, -femit-struct-debug-baseonly)
 endif
 
 ifdef CONFIG_FUNCTION_TRACER
-KBUILD_CFLAGS  += -pg
+ifdef CONFIG_HAVE_FENTRY
+CC_USING_FENTRY        := $(call cc-option, -mfentry -DCC_USING_FENTRY)
+endif
+KBUILD_CFLAGS  += -pg $(CC_USING_FENTRY)
+KBUILD_AFLAGS  += $(CC_USING_FENTRY)
 ifdef CONFIG_DYNAMIC_FTRACE
        ifdef CONFIG_HAVE_C_RECORDMCOUNT
                BUILD_C_RECORDMCOUNT := y