[jdk20] RFR: 8298377: JfrVframeStream causes deadlocks in ZGC

[Stefan Karlsson]

8298377: JfrVframeStream causes deadlocks in ZGC

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Commit messages:
 - Backport 453dbd12ee42731d7ebfd1a856338099429277c8

Changes: https://git.openjdk.org/jdk20/pull/120/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk20&pr=120&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8298377
  Stats: 24 lines in 2 files changed: 23 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk20/pull/120.diff
  Fetch: git fetch https://git.openjdk.org/jdk20 pull/120/head:pull/120

PR: https://git.openjdk.org/jdk20/pull/120