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-rw-r--r--arch/x86/boot/Makefile1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile
index c30a9b642a86..95410d6ee2ff 100644
--- a/arch/x86/boot/Makefile
+++ b/arch/x86/boot/Makefile
@@ -67,6 +67,7 @@ clean-files += cpustr.h
KBUILD_CFLAGS := $(REALMODE_CFLAGS) -D_SETUP
KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
+KBUILD_CFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=)
GCOV_PROFILE := n
UBSAN_SANITIZE := n