[jdk21u-dev] RFR: 8325587: Shenandoah: ShenandoahLock should allow blocking in VM

[duke]

On Thu, 9 May 2024 05:51:03 GMT, Liang Mao <lmao at openjdk.org> wrote:

> Clean backport of fixing rare long hand shake while mutator threads in heavy contention on ShenandoahLock.
> 
> Additional testing:
> - [x] Linux aarch64 server fastdebug, hotspot/jtreg/tier1 with +UseShenandoahGC

@mmyxym 
Your change (at version cb87b771121429a51434dcc406c4705616d76e1c) is now ready to be sponsored by a Committer.

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PR Comment: https://git.openjdk.org/jdk21u-dev/pull/560#issuecomment-2191371170