RFR (S) 8160539: Stack frame scanning acquires several mutexes

coleen.phillimore at oracle.com coleen.phillimore at oracle.com
Mon Mar 25 17:49:20 UTC 2019

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Summary: Use CAS instead of OopMapCacheAlloc_lock

Tested with hs-tier1-5 and specjbb2017.

open webrev at http://cr.openjdk.java.net/~coleenp/2019/8160539.01/webrev
bug link https://bugs.openjdk.java.net/browse/JDK-8160539

Thanks,
Coleen

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