[8u] RFR: 8215355: Object monitor deadlock with no threads holding the monitor (using jemalloc 5.1)

[David Holmes]

Hi Severin,

LGTM.

Thanks,
David

On 10/03/2020 11:52 pm, Severin Gehwolf wrote:
> Hi,
> 
> Could I please get a review of this OpenJDK 8u backport? The patch is
> in Oracle JDK 8u and we should get it backported for parity. It doesn't
> apply cleanly, but is rather trivial to be fixed up manually. The hunk
> in thread.hpp didn't apply since JDK-8139864[1] is not in OpenJDK 8u.
> Thus, changed '>=' to '>' manually in thread.hpp.
> 
> Bug: https://bugs.openjdk.java.net/browse/JDK-8215355
> webrev: http://cr.openjdk.java.net/~sgehwolf/webrevs/JDK-8215355/01/webrev/
> Original change: https://hg.openjdk.java.net/jdk/jdk/rev/189f47d990b5
> 
> Testing: Reproducer in JDK-8215355 (fails prior/passes after), tier1 tests.
> 
> Thoughts?
> 
> Thanks,
> Severin
>