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8261445: Use memory_order_relaxed for os::random().
Reviewed-by: phh
Backport-of: a25bae8
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Victor Rudometov authored and Paul Hohensee committed Nov 7, 2022
1 parent 8f5ae91 commit df9c46a
Showing 1 changed file with 1 addition and 1 deletion.
2 changes: 1 addition & 1 deletion src/hotspot/share/runtime/os.cpp
Expand Up @@ -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);
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