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I3T9AX: 8264640 CMS ParScanClosure misses a barrier

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This commit is contained in:
kuenking111 2021-05-27 21:41:43 +08:00
parent 53e5d10f26
commit cd7f765f7d
2 changed files with 26 additions and 1 deletions
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20
8264640.patch Executable file
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@ -0,0 +1,20 @@
diff --git a/hotspot/src/share/vm/gc_implementation/parNew/parOopClosures.inline.hpp b/hotspot/src/share/vm/gc_implementation/parNew/parOopClosures.inline.hpp
index 2a3e32071..887e47216 100644
--- a/hotspot/src/share/vm/gc_implementation/parNew/parOopClosures.inline.hpp
+++ b/hotspot/src/share/vm/gc_implementation/parNew/parOopClosures.inline.hpp
@@ -38,6 +38,7 @@ template <class T> inline void ParScanWeakRefClosure::do_oop_work(T* p) {
// we need to ensure that it is copied (see comment in
// ParScanClosure::do_oop_work).
Klass* objK = obj->klass();
+ OrderAccess::loadload();
markOop m = obj->mark();
oop new_obj;
if (m->is_marked()) { // Contains forwarding pointer.
@@ -101,6 +102,7 @@ inline void ParScanClosure::do_oop_work(T* p,
// overwritten with an overflow next pointer after the object is
// forwarded.
Klass* objK = obj->klass();
+ OrderAccess::loadload();
markOop m = obj->mark();
oop new_obj;
if (m->is_marked()) { // Contains forwarding pointer.

7
openjdk-1.8.0.spec
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@ -921,7 +921,7 @@ Provides: java-%{javaver}-%{origin}-accessibility%{?1} = %{epoch}:%{version}-%{r
Name: java-%{javaver}-%{origin}
Version: %{javaver}.%{updatever}.%{buildver}
Release: 4
Release: 5
# java-1.5.0-ibm from jpackage.org set Epoch to 1 for unknown reasons
# and this change was brought into RHEL-4. java-1.5.0-ibm packages
# also included the epoch in their virtual provides. This created a
@ -1104,6 +1104,7 @@ Patch187: 8182036.patch
Patch188: 8247691_incorrect_handling_of_VM_exceptions_in_C1_deopt_stub.patch
Patch189: 8266187_Memory_leak_in_appendBootClassPath.patch
Patch190: 8266929_huawei_add_oid_mapping_common_sig_types.patch
Patch191: 8264640.patch
#############################################
#
@ -1554,6 +1555,7 @@ pushd %{top_level_dir_name}
%patch188 -p1
%patch189 -p1
%patch190 -p1
%patch191 -p1
popd
@ -2171,6 +2173,9 @@ require "copy_jdk_configs.lua"
%endif
%changelog
* Thu May 27 2021 kuenking111 <wangkun49@huawei.com> - 1:1.8.0.292-b10.4
- add 8264640.patch
* Fri May 20 2021 kuenking111 <wangkun49@huawei.com> - 1:1.8.0.292-b10.3
- add 8266929_huawei_add_oid_mapping_common_sig_types.patch