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

[coleen.phillimore at oracle.com]

On 3/25/19 1:49 PM, coleen.phillimore at oracle.com wrote:
> Summary: Use CAS instead of OopMapCacheAlloc_lock
>
> Tested with hs-tier1-5 and specjbb2017.

I mean 2015.
Coleen
>
> 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