src/share/vm/runtime/globals.hpp

*** 3857,3866 ****
--- 3857,3869 ----
    experimental(uintx, ArrayAllocatorMallocLimit,                            \
            SOLARIS_ONLY(64*K) NOT_SOLARIS(max_uintx),                        \
            "Allocation less than this value will be allocated "              \
            "using malloc. Larger allocations will use mmap.")                \
                                                                              \
+   experimental(bool, AlwaysAtomicAccesses, false,                           \
+           "Accesses to all variables should always be atomic")              \
+                                                                             \
    product(bool, EnableTracing, false,                                       \
            "Enable event-based tracing")                                     \
                                                                              \
    product(bool, UseLockedTracing, false,                                    \
            "Use locked-tracing when doing event-based tracing")