git: openjdk/jdk: 8321815: Shenandoah: gc state should be synchronized to java threads only once per safepoint

[Y. Srinivas Ramakrishna]

Changeset: 808a0392
Author:    William Kemper <wkemper at openjdk.org>
Committer: Y. Srinivas Ramakrishna <ysr at openjdk.org>
Date:      2023-12-19 00:09:31 +0000
URL:       https://git.openjdk.org/jdk/commit/808a03927c153581cbece93a4f5a4f8242b61ef5

8321815: Shenandoah: gc state should be synchronized to java threads only once per safepoint

Reviewed-by: kdnilsen, ysr

! src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp
! src/hotspot/share/gc/shenandoah/shenandoahHeap.hpp
! src/hotspot/share/gc/shenandoah/shenandoahVMOperations.cpp
! src/hotspot/share/gc/shenandoah/shenandoahVMOperations.hpp
! src/hotspot/share/gc/shenandoah/shenandoahVerifier.cpp