Hi David and Nan,

Sorry, my suggestion was not aligned with usual practice and added some extra work. :(

Thanks,
Serguei


On 5/1/19 19:42, David Holmes wrote:
On 2/05/2019 11:00 am, Man Cao wrote:
Thank everyone for the review!
Renamed and final webrev:
https://cr.openjdk.java.net/~manc/8223177/webrev.02/

No do not rename! Sorry Serguei but for these accesses with OrderAccess semantics the placement of the acquire/release reflects the barrier semantics of load_acquire and release_store. So we use foo_acquire to load foo with acquire semantics; while release_set_foo performs a release barrier followed by set_foo. This convention is used throughout the VM for these kinds of methods.

David
-----

-Man


On Wed, May 1, 2019 at 5:21 PM serguei.spit...@oracle.com <mailto:serguei.spit...@oracle.com> <serguei.spit...@oracle.com <mailto:serguei.spit...@oracle.com>> wrote:

    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


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