If CONFIG_FUNCTION_GRAPH_TRACER=y, the following errors will be seen
while compiling patch.c
arch/arm/kernel/patch.c: In function ‘__patch_text_real’:
arch/arm/kernel/patch.c:94:11: error: implicit declaration of function
‘__opcode_to_mem_thumb32’; did you mean ‘__opcode_to_mem_thumb16’?
[-Werror=implicit-function-declaration]
insn = __opcode_to_mem_thumb32(insn);
^~~~~~~~~~~~~~~~~~~~~~~
__opcode_to_mem_thumb16
Signed-off-by: Zhang Jianhua <[email protected]>
---
kernel/trace/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 7fa82778c3e6..fbf5fd80f105 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -177,6 +177,7 @@ config FUNCTION_GRAPH_TRACER
depends on HAVE_FUNCTION_GRAPH_TRACER
depends on FUNCTION_TRACER
depends on !X86_32 || !CC_OPTIMIZE_FOR_SIZE
+ depends on CPU_ENDIAN_BE8 || !CPU_ENDIAN_BE32
default y
help
Enable the kernel to trace a function at both its return
--
2.17.1