RFR: 8318422: Allow poller threads be virtual threads [v2]

[Alan Bateman]

On Fri, 3 Nov 2023 09:35:52 GMT, Michael McMahon <michaelm at openjdk.org> wrote:

> Looks good to me.

Thanks. I've had to one additional update to ProblemList-Virtual.txt to excludevmTestbase/nsk/jdi/VMOutOfMemoryException/VMOutOfMemoryException001/VMOutOfMemoryException001.java on all platforms. It had been excluded on Windows only but it's quite fragile and we tickle it to fail on Linux with these changes. I had a brief exchange with @plummercj in JDK-8285417 about this a few days ago. It's excluded on all platforms in the loom repo already so I should have remembered to include it in this update.

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PR Comment: https://git.openjdk.org/jdk/pull/16243#issuecomment-1792487367