Code Review for hotspot

Prepared by:fyang on Wed Feb 5 09:57:16 CST 2020
Workspace:/home/yangfei/openjdk8u-dev/hotspot
Compare against: http://hg.openjdk.java.net/jdk8u/jdk8u-dev/hotspot
Compare against version:9102
Summary of changes: 113 lines changed: 94 ins; 3 del; 16 mod; 6215 unchg
Changeset: hotspot.changeset
Bug id: JDK-8182397 : Race in field updates when creating ArrayKlasses can lead to crash
Legend: Modified file
Deleted file
New file

Cdiffs Udiffs Sdiffs Frames Old New ----- Raw src/share/vm/classfile/javaClasses.cpp

rev 9103 : 8182397: Race in field updates when creating ArrayKlasses can lead to crash
Summary: Update array_klass field in component mirror after klass.java_mirror field for concurrent readers in compiled code
Reviewed-by: aph, kbarrett
21 lines changed: 6 ins; 3 del; 12 mod; 3622 unchg

Cdiffs Udiffs Sdiffs Frames Old New ----- Raw src/share/vm/classfile/javaClasses.hpp

rev 9103 : 8182397: Race in field updates when creating ArrayKlasses can lead to crash
Summary: Update array_klass field in component mirror after klass.java_mirror field for concurrent readers in compiled code
Reviewed-by: aph, kbarrett
2 lines changed: 0 ins; 0 del; 2 mod; 1467 unchg

Cdiffs Udiffs Sdiffs Frames Old New ----- Raw src/share/vm/oops/oop.hpp

rev 9103 : 8182397: Race in field updates when creating ArrayKlasses can lead to crash
Summary: Update array_klass field in component mirror after klass.java_mirror field for concurrent readers in compiled code
Reviewed-by: aph, kbarrett
3 lines changed: 2 ins; 0 del; 1 mod; 378 unchg

Cdiffs Udiffs Sdiffs Frames Old New ----- Raw src/share/vm/oops/oop.inline.hpp

rev 9103 : 8182397: Race in field updates when creating ArrayKlasses can lead to crash
Summary: Update array_klass field in component mirror after klass.java_mirror field for concurrent readers in compiled code
Reviewed-by: aph, kbarrett
5 lines changed: 4 ins; 0 del; 1 mod; 748 unchg

------ ------ ------ ------ --- New ----- Raw test/runtime/CreateMirror/ArraysNewInstanceBug.java

rev 9103 : 8182397: Race in field updates when creating ArrayKlasses can lead to crash
Summary: Update array_klass field in component mirror after klass.java_mirror field for concurrent readers in compiled code
Reviewed-by: aph, kbarrett
82 lines changed: 82 ins; 0 del; 0 mod; 0 unchg

This code review page was prepared using /home/yangfei/tools/webrev.ksh (vers 25.17-hg+openjdk.java.net).