RFR (S) 8198760: Move global lock SpaceManager::_expand_lock to MutexLocker.cpp (original) (raw)

coleen.phillimore at oracle.com coleen.phillimore at oracle.com
Fri Mar 23 16:14:02 UTC 2018


On 3/23/18 11:43 AM, Thomas Stüfe wrote:

Hi Coleen,

Looks good. Can we loose the friend declaration for SpaceManager in ClassloaderMetaspace now?

No, I don't think so.  SpaceManager has another lock (the CLD::_metaspace_lock passed down) that ClassloaderMetaspace needs. More refactoring is needed!

Thanks, Coleen

Thomas On Fri 23. Mar 2018 at 12:55, <coleen.phillimore at oracle.com_ _<mailto:coleen.phillimore at oracle.com>> wrote: Summary: We should avoid having global locks buried in cpp files open webrev at http://cr.openjdk.java.net/~coleenp/8198760.01/webrev <http://cr.openjdk.java.net/%7Ecoleenp/8198760.01/webrev> bug link https://bugs.openjdk.java.net/browse/JDK-8198760 Tested with mach5 tier1 and 2. Thanks, Coleen



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