On Mon, 3 Nov 2025 10:05:35 GMT, Fredrik Bredberg <[email protected]> wrote:

>> This is the last PR in a series of PRs (see: 
>> [JDK-8344261](https://bugs.openjdk.org/browse/JDK-8344261)) to obsolete the 
>> LockingMode flag and related code.
>> 
>> The main focus is to to unify `ObjectSynchronizer` and 
>> `LightweightSynchronizer`.
>> There used to be a number of "dispatch functions" to redirect calls 
>> depending on the setting of the `LockingMode` flag.
>> Since we now only have lightweight locking, there is no longer any need for 
>> those dispatch functions, so I removed them.
>> To remove the dispatch functions I renamed the corresponding lightweight 
>> functions and call them directly.
>> This ultimately led me to remove "lightweight" from the function names and 
>> go back to "fast" instead, just to avoid having some with, and some without 
>> the "lightweight" part of the name.
>> 
>> This PR also include a small simplification of 
>> `ObjectSynchronizer::FastHashCode`.
>> 
>> Tested tier1-7 (on supported platforms) without seeing any problems that can 
>> be traced to this code change.
>> All other platforms (`arm`, `ppc`, `riscv`, `s390`) has been sanity checked 
>> using QEMU.
>
> Fredrik Bredberg has updated the pull request with a new target base due to a 
> merge or a rebase. The pull request now contains six commits:
> 
>  - Merge branch 'master' into 
> 8367982_unify_object_and_lightweight_synchronizer
>  - Update two, after the review
>  - Update after review
>  - Small arm32 fix
>  - Small include line fix
>  - 8367982: Unify ObjectSynchronizer and LightweightSynchronizer

I believe you've addressed all of David's comments and mine, and we can have a 
new PR for moving and additional work we're going to do with the 
ObjectMonitorTable.

-------------

Marked as reviewed by coleenp (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/27915#pullrequestreview-3422419032

Reply via email to