RFR: 8253180: ZGC: Implementation of JEP 376: ZGC: Concurrent Thread-Stack Processing [v5]
Erik Österlund
eosterlund at openjdk.java.net
Thu Sep 24 14:25:22 UTC 2020
On Thu, 24 Sep 2020 12:49:06 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:
>> Erik Österlund has updated the pull request with a new target base due to a merge or a rebase. The pull request now
>> contains seven commits:
>> - Review: Per CR 1
>> - Merge branch 'master' into 8253180_conc_stack_scanning
>> - Review: Albert CR 1
>> - Review: SteafanK CR 2
>> - Merge branch 'master' into 8253180_conc_stack_scanning
>> - Review: SteafanK CR 1
>> - 8253180: ZGC: Implementation of JEP 376: ZGC: Concurrent Thread-Stack Processing
>
> I looked at the runtime code and it is nicely non-invasive, and makes sense where there are changes.
I uploaded an incremental change to re-instate the separate verification of the thread head vs frames that I had
before. Stefan wanted it merged into one function unless I could remember why I had split it. I did not remember why,
but now I do. Updated with comments this time to describe why this is split (the exception oop must be fixed before
fiddling with the frames).
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PR: https://git.openjdk.java.net/jdk/pull/296
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