# HG changeset patch
# User never
# Date 1229140405 28800
# Node ID ac8fe14c93e411610fbbd99d4b417d9de1622659
# Parent  ffe19141e312329101160fda3e3a2d5aed4a53c4
6767587: missing call to make_not_entrant after deoptimizing for patching volatiles
Reviewed-by: rasbold, kvn

diff -r ffe19141e312 -r ac8fe14c93e4 src/share/vm/c1/c1_Runtime1.cpp
--- 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);