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8212826: Make PtrQueue free list lock-free

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Add lock-free stack and use in BufferNode::Allocator.

Reviewed-by: tschatzl, sangheki
This commit is contained in:
Kim Barrett 2019-01-19 19:50:01 -05:00
parent 2858e8f4e2
commit 5c83330cf8
10 changed files with 840 additions and 87 deletions
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7
src/hotspot/share/runtime/mutexLocker.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -79,10 +79,8 @@ Mutex* NonJavaThreadsList_lock = NULL;
Monitor* CGC_lock = NULL;
Monitor* STS_lock = NULL;
Monitor* FullGCCount_lock = NULL;
Mutex* SATB_Q_FL_lock = NULL;
Monitor* SATB_Q_CBL_mon = NULL;
Mutex* Shared_SATB_Q_lock = NULL;
Mutex* DirtyCardQ_FL_lock = NULL;
Monitor* DirtyCardQ_CBL_mon = NULL;
Mutex* Shared_DirtyCardQ_lock = NULL;
Mutex* MarkStackFreeList_lock = NULL;
@ -214,11 +212,9 @@ void mutex_init() {
def(FullGCCount_lock , PaddedMonitor, leaf, true, Monitor::_safepoint_check_never); // in support of ExplicitGCInvokesConcurrent
}
if (UseG1GC) {
def(SATB_Q_FL_lock , PaddedMutex , access, true, Monitor::_safepoint_check_never);
def(SATB_Q_CBL_mon , PaddedMonitor, access, true, Monitor::_safepoint_check_never);
def(Shared_SATB_Q_lock , PaddedMutex , access + 1, true, Monitor::_safepoint_check_never);
def(DirtyCardQ_FL_lock , PaddedMutex , access, true, Monitor::_safepoint_check_never);
def(DirtyCardQ_CBL_mon , PaddedMonitor, access, true, Monitor::_safepoint_check_never);
def(Shared_DirtyCardQ_lock , PaddedMutex , access + 1, true, Monitor::_safepoint_check_never);
@ -235,7 +231,6 @@ void mutex_init() {
def(MonitoringSupport_lock , PaddedMutex , native , true, Monitor::_safepoint_check_never); // used for serviceability monitoring support
}
if (UseShenandoahGC) {
def(SATB_Q_FL_lock , PaddedMutex , access, true, Monitor::_safepoint_check_never);
def(SATB_Q_CBL_mon , PaddedMonitor, access, true, Monitor::_safepoint_check_never);
def(Shared_SATB_Q_lock , PaddedMutex , access + 1, true, Monitor::_safepoint_check_never);