Integrated: 8318757: VM_ThreadDump asserts in interleaved ObjectMonitor::deflate_monitor calls

[Stefan Karlsson]

On Mon, 6 Nov 2023 09:46:11 GMT, Stefan Karlsson <stefank at openjdk.org> wrote:

> A safepointed monitor deflation pass can run interleaved with a paused async monitor deflation pass. The code is not written to handle that situation and asserts when it finds a DEFLATER_MARKER in the owner field. @pchilano also found other issues with having to monitor deflation passes interleaved. More info below ...

This pull request has now been integrated.

Changeset: 87be6b69
Author:    Stefan Karlsson <stefank at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/87be6b69fe985eee01fc3344f9153d774db792c1
Stats:     426 lines in 11 files changed: 208 ins; 147 del; 71 mod

8318757: VM_ThreadDump asserts in interleaved ObjectMonitor::deflate_monitor calls

Reviewed-by: shade, aboldtch, pchilanomate, dcubed

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PR: https://git.openjdk.org/jdk/pull/16519