8033380: Experimental VM flag to enforce access atomicity

-XX:+AlwaysAtomicAccesses to unconditionally enforce the access atomicity. Reviewed-by: roland, kvn, iveresov
2025-09-22 03:54:33 +02:00 · 2014-03-03 15:54:45 +04:00 · 2014-03-03 15:54:45 +04:00 · c4bd0f58d3
commit c4bd0f58d3
parent 0b6a5f744a
4 changed files with 37 additions and 12 deletions
--- a/hotspot/src/share/vm/runtime/globals.hpp
+++ b/hotspot/src/share/vm/runtime/globals.hpp
@ -3864,6 +3864,9 @@ class CommandLineFlags {
          "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")                                     \
                                                                            \