[8u] RFR: Backport 8161993 G1 crashes if active_processor_count changes during startup

David Holmes david.holmes at oracle.com
Fri Dec 16 03:10:13 UTC 2016

On 16/12/2016 1:06 PM, David Holmes wrote:
> Bug: https://bugs.openjdk.java.net/browse/JDK-8161993
> JDK9 changeset:
> http://hg.openjdk.java.net/jdk9/jdk9/hotspot/rev/8986e5b85e73
> webrev: http://cr.openjdk.java.net/~dholmes/8161993/webrev.8u/
> The changes for 8147910 are there only for reference.
> The backport was straight-forward but couldn't apply directly due to
> file/directory renaming. Also in 9 we had already changed
> os::processor_count() to os::active_processor_count() and then to
> os::initial_active_processor_count(), but in 8u we skip the middle step.

Nope sorry - confused myself. In both cases we go from processor_count() 
to initial_active_processor_count(). So it's even more direct than I 


> Thanks,
> David

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