hg: jdk/jdk: 8220671: Initialization race for non-JavaThread PtrQueues

[kim.barrett at oracle.com]

Changeset: 2b48cedce327
Author:    kbarrett
Date:      2019-04-01 17:11 -0400
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/2b48cedce327

8220671: Initialization race for non-JavaThread PtrQueues
Summary: Include on_thread_(attach|detach) under NJTList_lock.
Reviewed-by: pliden, rkennke

! src/hotspot/share/gc/g1/g1BarrierSet.cpp
! src/hotspot/share/gc/shared/barrierSet.hpp
! src/hotspot/share/gc/shared/satbMarkQueue.cpp
! src/hotspot/share/runtime/mutexLocker.cpp
! src/hotspot/share/runtime/mutexLocker.hpp
! src/hotspot/share/runtime/thread.cpp