RFR: 8308745: ObjArrayKlass::allocate_objArray_klass may call into java while holding a lock

[Dean Long]

On Tue, 6 Feb 2024 22:59:04 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

> This change creates a new sort of native recursive lock that can be held during JNI and Java calls, which can be used for synchronization while creating objArrayKlasses at runtime.
> 
> Passes tier1-7.

Is the caller always a JavaThread?  I'm wondering if your new recursive lock class could use the existing ObjectMonitor.  I thought David asked the same question, but I can't find it.

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PR Comment: https://git.openjdk.org/jdk/pull/17739#issuecomment-1979796523