RFR: 8224966: ZGC: Don't skip oop verification in OopMapSet::all_do()

Erik Österlund erik.osterlund at oracle.com
Wed Jun 5 10:24:52 UTC 2019



On 2019-05-29 11:27, Per Liden wrote:
> When ZGC is enabled, we skip oop verification in OopMapSet::all_do(). 
> There's no good reason to skip that. The comment suggesting this is 
> skipped because a safepoint can happen between a load and the barrier 
> is incorrect. We can still do the verification as is_in_or_null() 
> doesn't require the address to have a "good" color.
> Also, once JDK-8224675 is integrated, this comment will make even less 
> sense.
> Bug: https://bugs.openjdk.java.net/browse/JDK-8224966
> Webrev: http://cr.openjdk.java.net/~pliden/8224966/webrev.0
> /Per

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