On Thu, 7 Mar 2024 00:18:53 GMT, Dean Long <dl...@openjdk.org> wrote:
>> Coleen Phillimore has updated the pull request incrementally with one
>> additional commit since the last revision:
>>
>> Dean's comments.
>
> src/hotspot/share/oops/arrayKlass.cpp line 135:
>
>> 133: ResourceMark rm(THREAD);
>> 134: {
>> 135: // Ensure atomic creation of higher dimensions
>
> Isn't this comment still useful?
Yes, it's a useful comment, readded.
> src/hotspot/share/oops/arrayKlass.cpp line 144:
>
>> 142: ObjArrayKlass* ak =
>> 143: ObjArrayKlass::allocate_objArray_klass(class_loader_data(),
>> dim + 1, this, CHECK_NULL);
>> 144: ak->set_lower_dimension(this);
>
> Would it be useful to assert that the lower dimension has been set?
Yes, added.
> src/hotspot/share/oops/instanceKlass.cpp line 2765:
>
>> 2763: // To get a consistent list of classes we need MultiArray_lock to
>> ensure
>> 2764: // array classes aren't observed while they are being restored.
>> 2765: MutexLocker ml(MultiArray_lock);
>
> Doesn't this revert JDK-8274338?
You're right. I didn't believe my own comment when I removed this. Thank you
for pointing out the bug.
-------------
PR Review Comment: https://git.openjdk.org/jdk/pull/17739#discussion_r1515346198
PR Review Comment: https://git.openjdk.org/jdk/pull/17739#discussion_r1515346716
PR Review Comment: https://git.openjdk.org/jdk/pull/17739#discussion_r1515349878
