[15u] RFR (S) 8249192: MonitorInfo stores raw oops across safepoints

[David Holmes]

Hi Aleksey,

On 14/09/2020 5:29 pm, Aleksey Shipilev wrote:
> On 9/9/20 9:10 AM, Aleksey Shipilev wrote:
>> Original bug:
>>     https://bugs.openjdk.java.net/browse/JDK-8249192
>>     https://hg.openjdk.java.net/jdk/jdk/rev/61f9028f360d
>>
>> 15u variant:
>>     https://cr.openjdk.java.net/~shade/8249192/webrev.15u.01/
>>
>> It differs from jdk/jdk variant by a conflict in jvmtiEnvBase.cpp, 
>> where removed "ResourceMark rm"
>> does not have "current_thread" argument yet. It was added later with 
>> JDK-8247729:
>>     https://hg.openjdk.java.net/jdk/jdk/rev/f8a9be0f9e1a#l2.82
>>
>> Testing: tier{1,2} with and without Shenandoah [which seems to find 
>> some of these bugs]
> 
> Um.
> 
> I see there is a "backport" to 15.0.2 already:
>    https://bugs.openjdk.java.net/browse/JDK-8251485
> 
> ...yet there is no changeset at all:
>    https://hg.openjdk.java.net/jdk-updates/jdk15u/log?rev=8251485
> 
> What's up with that? Rob, Thomas?

I think an oversight on our (Oracle) end. It went into the 15u CPU repo 
instead of the open repo.

David
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