changeset 492:ac8fe14c93e4

6767587: missing call to make_not_entrant after deoptimizing for patching volatiles Reviewed-by: rasbold, kvn
author never
date Fri, 12 Dec 2008 19:53:25 -0800
parents ffe19141e312
children a738a625039a
files src/share/vm/c1/c1_Runtime1.cpp
diffstat 1 files changed, 7 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/src/share/vm/c1/c1_Runtime1.cpp	Fri Dec 12 15:37:46 2008 -0800
+++ b/src/share/vm/c1/c1_Runtime1.cpp	Fri Dec 12 19:53:25 2008 -0800
@@ -842,6 +842,13 @@
     if (TracePatching) {
       tty->print_cr("Deoptimizing for patching volatile field reference");
     }
+    // It's possible the nmethod was invalidated in the last
+    // safepoint, but if it's still alive then make it not_entrant.
+    nmethod* nm = CodeCache::find_nmethod(caller_frame.pc());
+    if (nm != NULL) {
+      nm->make_not_entrant();
+    }
+
     VM_DeoptimizeFrame deopt(thread, caller_frame.id());
     VMThread::execute(&deopt);