Index: kernel/arch/amd64/src/asm.S
===================================================================
--- kernel/arch/amd64/src/asm.S	(revision 98a935ebd156845f2511fad291365f6649289e1f)
+++ kernel/arch/amd64/src/asm.S	(revision c1c7c205f6a85543290bcf438bb9ecd9a3ef03e3)
@@ -411,4 +411,6 @@
 FUNCTION_BEGIN(early_putuchar)
 
+#if (defined(CONFIG_DEBUG_EARLY_PRINT))
+
 #if (defined(CONFIG_L4RE_UVMM_EARLY_PRINT))
 	xorl %eax, %eax  /* RAX==0: uvmm's print hypercall */
@@ -543,4 +545,6 @@
 #endif
 
+#endif
+
 	ret
 FUNCTION_END(early_putuchar)