--- old/src/hotspot/share/c1/c1_CodeStubs.hpp	2018-09-26 10:03:08.663886743 -0400
+++ new/src/hotspot/share/c1/c1_CodeStubs.hpp	2018-09-26 10:03:07.115796689 -0400
@@ -394,11 +394,9 @@
       _id(id)
     , _info(NULL)
     , _index(index) {
-    if (os::is_MP()) {
-      // force alignment of patch sites on MP hardware so we
-      // can guarantee atomic writes to the patch site.
-      align_patch_site(masm);
-    }
+    // force alignment of patch sites so we
+    // can guarantee atomic writes to the patch site.
+    align_patch_site(masm);
     _pc_start = masm->pc();
     masm->bind(_patch_site_entry);
   }