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List: openjdk-serviceability-dev
Subject: Re: [15] RFR 8238633: JVMTI heap walk should consult GC for marking oops
From: Zhengyu Gu <zgu () redhat ! com>
Date: 2020-02-26 22:16:40
Message-ID: 701adbd0-d66d-1002-d2e3-77ea02847613 () redhat ! com
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Hi,
>> So perhaps just adding the NULL check in the barrier for the case
>> where the markWord "is_marked" is the sane thing to do, knowing that
>> the other costs taken in the same path will dominate.
>
> I have this patch, exactly what you suggested. I will let Aleksey run
> his numbers.
Aleksey is happy with the solution, as we are able to split compiler
barrier and runtime barrier. Therefore, I would like to withdraw this CR.
Thanks all of you!
-Zhengyu
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