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8199735: Mark word updates need to use Access API

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Reviewed-by: shade, eosterlund
This commit is contained in:
Roman Kennke 2018-04-05 10:54:53 +02:00
parent a47dc291ae
commit 389d720746
39 changed files with 205 additions and 149 deletions
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4
src/hotspot/share/runtime/biasedLocking.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2005, 2017, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2005, 2018, 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
@ -616,7 +616,7 @@ BiasedLocking::Condition BiasedLocking::revoke_and_rebias(Handle obj, bool attem
// with it.
markOop biased_value = mark;
markOop res_mark = obj->cas_set_mark(prototype_header, mark);
assert(!(*(obj->mark_addr()))->has_bias_pattern(), "even if we raced, should still be revoked");
assert(!obj->mark()->has_bias_pattern(), "even if we raced, should still be revoked");
return BIAS_REVOKED;
} else if (prototype_header->bias_epoch() != mark->bias_epoch()) {
// The epoch of this biasing has expired indicating that the