Index: src/s390/simulator-s390.h |
diff --git a/src/s390/simulator-s390.h b/src/s390/simulator-s390.h |
index 3d3fc44d7e38b3ebfcb068f9ac73b00f5b4bb014..a214b198df2e8d6c3b3ed90ee45ec4fa590df62f 100644 |
--- a/src/s390/simulator-s390.h |
+++ b/src/s390/simulator-s390.h |
@@ -440,7 +440,7 @@ class Simulator { |
static CachePage* GetCachePage(base::CustomMatcherHashMap* i_cache, |
void* page); |
- // Runtime call support. |
+ // Runtime call support. Uses the isolate in a thread-safe way. |
static void* RedirectExternalReference( |
Isolate* isolate, void* external_function, |
v8::internal::ExternalReference::Type type); |