Backport a25bae8

openjdk · Oct 26, 2022 · 655d984 · 655d984
1 parent 3c1e0cf
commit 655d984
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/hotspot/share/runtime/os.cpp b/src/hotspot/share/runtime/os.cpp
@@ -864,7 +864,7 @@ int os::random() {
   while (true) {
     unsigned int seed = _rand_seed;
     unsigned int rand = random_helper(seed);
-    if (Atomic::cmpxchg(rand, &_rand_seed, seed) == seed) {
+    if (Atomic::cmpxchg(rand, &_rand_seed, seed, memory_order_relaxed) == seed) {
       return static_cast<int>(rand);
     }
   }