On Thu, 20 Aug 2026 14:13:27 GMT, Fredrik Bredberg <[email protected]> wrote:
> This PR is a follow-up to > [JDK-8389325](https://bugs.openjdk.org/browse/JDK-8389325) ("Remove the > UseObjectMonitorTable flag and related code"). It: > - Removes obsolete mark-word and monitor-pointer support. > - Removes displaced-mark related code in garbage collectors (G1, Parallel GC > and Shenandoah). > - Renames UseObjectMonitorTableTest to ObjectMonitorTableTest. > - Addresses all the leftover review comments from > [JDK-8389325](https://bugs.openjdk.org/browse/JDK-8389325). > > Passes tier1-5 tests successfully on supported platforms. > > --------- > - [x] I confirm that I make this contribution in accordance with the [OpenJDK > Interim AI Policy](https://openjdk.org/legal/ai). Looks good to me, thanks for the cleanup. src/hotspot/share/oops/markWord.hpp line 275: > 273: return has_monitor_pointer(); > 274: } > 275: markWord displaced_mark_helper() const; I see the SA agent has the equivalent methods `hasDisplacedMarkHelper/displacedMarkHelper`. src/hotspot/share/runtime/objectMonitor.hpp line 232: > 230: // > 231: #define OM_OFFSET_NO_MONITOR_VALUE_TAG(f) \ > 232: ((in_bytes(ObjectMonitor::f ## _offset())) - > checked_cast<int>(markWord::monitor_value)) This macro can also be removed. ------------- Marked as reviewed by pchilanomate (Reviewer). PR Review: https://git.openjdk.org/jdk/pull/32471#pullrequestreview-4994531261 PR Review Comment: https://git.openjdk.org/jdk/pull/32471#discussion_r3831214227 PR Review Comment: https://git.openjdk.org/jdk/pull/32471#discussion_r3831206223
