git: openjdk/jdk: 8262398: Shenandoah: Disable nmethod barrier and stack watermark when running with passive mode

[Zhengyu Gu]

Changeset: 7674da43
Author:    Zhengyu Gu <zgu at openjdk.org>
Date:      2021-03-17 16:19:59 +0000
URL:       https://git.openjdk.java.net/jdk/commit/7674da43

8262398: Shenandoah: Disable nmethod barrier and stack watermark when running with passive mode

Reviewed-by: rkennke, shade

! src/hotspot/share/gc/shenandoah/mode/shenandoahIUMode.cpp
! src/hotspot/share/gc/shenandoah/mode/shenandoahPassiveMode.cpp
! src/hotspot/share/gc/shenandoah/mode/shenandoahSATBMode.cpp
! src/hotspot/share/gc/shenandoah/shenandoahBarrierSet.cpp
! src/hotspot/share/gc/shenandoah/shenandoahCodeRoots.cpp
! src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp
! src/hotspot/share/gc/shenandoah/shenandoahHeap.hpp
! src/hotspot/share/gc/shenandoah/shenandoahNMethod.inline.hpp
! src/hotspot/share/gc/shenandoah/shenandoahRootProcessor.cpp
! src/hotspot/share/gc/shenandoah/shenandoahRootProcessor.inline.hpp
! src/hotspot/share/gc/shenandoah/shenandoah_globals.hpp
! test/hotspot/jtreg/gc/shenandoah/options/TestSelectiveBarrierFlags.java
! test/hotspot/jtreg/gc/shenandoah/options/TestWrongBarrierDisable.java