hg: jdk/submit: 8203469: Faster safepoints

[robbin.ehn at oracle.com]

Changeset: 5d20b085d893
Author:    rehn
Date:      2019-02-15 14:15 +0100
URL:       http://hg.openjdk.java.net/jdk/submit/rev/5d20b085d893

8203469: Faster safepoints
Reviewed-by: dcubed, pchilanomate, dholmes, acorn, coleenp, eosterlund

! src/hotspot/share/code/dependencyContext.hpp
! src/hotspot/share/jfr/recorder/repository/jfrEmergencyDump.cpp
! src/hotspot/share/jfr/recorder/stacktrace/jfrStackTraceRepository.cpp
! src/hotspot/share/runtime/handshake.cpp
! src/hotspot/share/runtime/interfaceSupport.inline.hpp
! src/hotspot/share/runtime/mutex.cpp
! src/hotspot/share/runtime/mutex.hpp
! src/hotspot/share/runtime/mutexLocker.cpp
! src/hotspot/share/runtime/mutexLocker.hpp
! src/hotspot/share/runtime/safepoint.cpp
! src/hotspot/share/runtime/safepoint.hpp
! src/hotspot/share/runtime/safepointMechanism.cpp
! src/hotspot/share/runtime/safepointMechanism.hpp
! src/hotspot/share/runtime/safepointMechanism.inline.hpp
! src/hotspot/share/runtime/thread.hpp
! src/hotspot/share/runtime/vmThread.cpp
! src/hotspot/share/services/runtimeService.cpp
! src/hotspot/share/services/runtimeService.hpp
! test/hotspot/jtreg/runtime/logging/SafepointTest.java