On Wed, 21 Oct 2020 16:45:53 GMT, Daniel D. Daugherty <dcu...@openjdk.org>
wrote:
>> Robbin Ehn has updated the pull request with a new target base due to a
>> merge or a rebase. The pull request now contains seven commits:
>>
>> - Fixed merge miss
>> - Merge branch 'master' into
>> 8223312-Utilize-handshakes-instead-of-is_thread_fully_suspended
>> - Merge fix from Richard
>> - Merge branch 'master' into
>> 8223312-Utilize-handshakes-instead-of-is_thread_fully_suspended
>> - Removed TraceSuspendDebugBits
>> - Removed unused method is_ext_suspend_completed_with_lock
>> - Utilize handshakes instead of is_thread_fully_suspended
>
> src/hotspot/share/prims/jvmtiEnv.cpp line 1646:
>
>> 1644: // java_thread - pre-checked
>> 1645: jvmtiError
>> 1646: JvmtiEnv::PopFrame(JavaThread* java_thread) {
>
> So I'm a bit confused why I'm seeing PopFrame() changes here that are
> related to @reinrich's EscapeBarrier work. I've seen mention of picking
> up a patch during this review from @reinrich so may that's why. I don't
> see anything wrong with the changes, but I am confused why they are
> here in this review.
This change moves code with EscapeBarriers (integrated with #119) into a
handshake. That does not work because object reallocation can safepoint. So the
EBs are pulled out of the handshake.
-------------
PR: https://git.openjdk.java.net/jdk/pull/729
