diff --git a/xen/xsm/dummy.c b/xen/xsm/dummy.c
index 9791ad45ba..a082b28171 100644
--- a/xen/xsm/dummy.c
+++ b/xen/xsm/dummy.c
@@ -27,7 +27,7 @@ struct xsm_operations dummy_xsm_ops;
         }                                                              \
     } while (0)
 
-void xsm_fixup_ops (struct xsm_operations *ops)
+void __init xsm_fixup_ops (struct xsm_operations *ops)
 {
     set_to_dummy_if_null(ops, security_domaininfo);
     set_to_dummy_if_null(ops, domain_create);
diff --git a/xen/xsm/xsm_core.c b/xen/xsm/xsm_core.c
index 3487742609..78d881b4bc 100644
--- a/xen/xsm/xsm_core.c
+++ b/xen/xsm/xsm_core.c
@@ -127,7 +127,7 @@ bool __init has_xsm_magic(paddr_t start)
 }
 #endif
 
-int register_xsm(struct xsm_operations *ops)
+int __init register_xsm(struct xsm_operations *ops)
 {
     if ( verify(ops) )
     {