OpenJDK / graal / graal-jvmci-8
changeset 4876:be649fefcdc2
7134655: Crash in reference processing when doing single-threaded remarking
Summary: Temporarily disabled multi-threaded reference discovery when entering a single-threaded remark phase.
Reviewed-by: brutisso, tonyp, jmasa, jcoomes
| author | stefank |
|---|---|
| date | Fri, 27 Jan 2012 14:14:50 +0100 |
| parents | b4ebad3520bb |
| children | c03e06373b47 |
| files | src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp |
| diffstat | 1 files changed, 4 insertions(+), 1 deletions(-) [+] |
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--- a/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp Thu Jan 26 14:14:55 2012 -0800 +++ b/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp Fri Jan 27 14:14:50 2012 +0100 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2001, 2012, 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 @@ -5594,6 +5594,7 @@ GenCollectedHeap::StrongRootsScope srs(gch); workers->run_task(&tsk); } else { + ReferenceProcessorMTDiscoveryMutator mt(ref_processor(), false); GenCollectedHeap::StrongRootsScope srs(gch); tsk.work(0); } @@ -5608,6 +5609,8 @@ ResourceMark rm; HandleMark hm; GenCollectedHeap* gch = GenCollectedHeap::heap(); + ReferenceProcessorMTDiscoveryMutator mt(ref_processor(), false); + MarkRefsIntoAndScanClosure mrias_cl(_span, ref_processor(), &_markBitMap, &_modUnionTable, &_markStack, &_revisitStack, this,