This is done to access fdt library function which are required for adding device
tree overlay nodes for dynamic programming of nodes.

Acked-by: Julien Grall <jgrall@amazon.com>
Signed-off-by: Vikram Garhwal <vikram.garhwal@amd.com>
---
 xen/common/libfdt/Makefile | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/xen/common/libfdt/Makefile b/xen/common/libfdt/Makefile
index 75aaefa2e3..d50487aa6e 100644
--- a/xen/common/libfdt/Makefile
+++ b/xen/common/libfdt/Makefile
@@ -1,7 +1,11 @@
 include $(src)/Makefile.libfdt
 
 SECTIONS := text data $(SPECIAL_DATA_SECTIONS)
+
+# For CONFIG_OVERLAY_DTB, libfdt functionalities will be needed during runtime.
+ifneq ($(CONFIG_OVERLAY_DTB),y)
 OBJCOPYFLAGS := $(foreach s,$(SECTIONS),--rename-section .$(s)=.init.$(s))
+endif
 
 obj-y += libfdt.o
 nocov-y += libfdt.o
-- 
2.17.1

Hi,

On 07/12/2022 06:15, Vikram Garhwal wrote:
> This is done to access fdt library function which are required for adding device
> tree overlay nodes for dynamic programming of nodes.
> 
> Acked-by: Julien Grall <jgrall@amazon.com>
> Signed-off-by: Vikram Garhwal <vikram.garhwal@amd.com>

The tags are usually ordered chronologically: you first wrote the patch 
and then I acked. So please switch the two tags.

Cheers,

-- 
Julien Grall