hg: shenandoah/jdk8/hotspot: 2 new changesets

[shade at redhat.com]

Changeset: 8e67e292c3db
Author:    shade
Date:      2020-09-30 08:58 +0000
URL:       https://hg.openjdk.java.net/shenandoah/jdk8/hotspot/rev/8e67e292c3db

[backport] 8253778: ShenandoahSafepoint::is_at_shenandoah_safepoint should not access VMThread state from other threads
Reviewed-by: jiefu, rehn, rkennke

! src/share/vm/gc_implementation/shenandoah/shenandoahUtils.hpp

Changeset: bc802b0d758e
Author:    Zhengyu Gu <zgu at openjdk.org>
Date:      2020-12-03 18:42 +0000
URL:       https://hg.openjdk.java.net/shenandoah/jdk8/hotspot/rev/bc802b0d758e

[backport] 8257641: Shenandoah: Query is_at_shenandoah_safepoint() from control thread should return false
Reviewed-by: shade

! src/share/vm/gc_implementation/shenandoah/shenandoahHeap.hpp
! src/share/vm/gc_implementation/shenandoah/shenandoahUtils.hpp