Re: RFR (S): 8223177: Data race on JvmtiEnvBase::_tag_map in double-checked locking

[serguei.spit...@oracle.com]

Hi Man, Looks good to me. Minor comment: I'd suggest to rename tag_map_acquire to acquire_tag_map to be consistent with release_set_tag_map. Thanks, Serguei On 4/30/19 18:51, Man Cao wrote: Hi all, Can I have reviews for this small change that adds memory fences for double-checked locking? We found this race while working on the Java ThreadSanitizer project. Webrev: https://cr.openjdk.java.net/~manc/8223177/webrev.00/ Bug: https://bugs.openjdk.java.net/browse/JDK-8223177 -Man