RFR(M): 8166970: Adapt mutex padding according to DEFAULT_CACHE_LINE_SIZE

Doerr, Martin martin.doerr at sap.com
Fri Sep 30 15:48:13 UTC 2016


the current implementation of Monitor padding (mutex.cpp) assumes that cache lines are 64 Bytes. There's a platform dependent define "DEFAULT_CACHE_LINE_SIZE" available which can be used. Purpose of padding is to avoid false sharing.

My proposed change is here:

Please review. If will also need a sponsor.

Thanks and best regards,

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