RFR(XS): 8152185: ReferencePendingListLocker incorrectly assumes that the lock is never taken recursively

Per Liden per.liden at oracle.com
Fri Mar 18 14:55:16 UTC 2016

Thanks Stefan.

Since this is an integration blocker I will push this fix immediately.


On 2016-03-18 15:53, Stefan Johansson wrote:
> On 2016-03-18 15:29, Per Liden wrote:
>> Summary: The ReferencePendingListLocker asserts that the pending list
>> lock is never taken recursively. This is incorrect, as it can be taken
>> by a GC operation initiated by the ReferenceHandler thread, which
>> might already own the lock. The asserts were added as part of
>> JDK-8151601 in an attempt to strengthen the code, but they are
>> incorrect and should be removed.
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8152185
>> Webrev: http://cr.openjdk.java.net/~pliden/8152185/webrev.0/
> Looks good,
> StefanJ
>> thanks,
>> Per

More information about the hotspot-gc-dev mailing list