RFR 8217846: [Graal] vmTestbase/nsk/jdi/VirtualMachine/instanceCounts/instancecounts003/instancecounts003.java crash

Harold Seigel harold.seigel at oracle.com
Wed May 8 12:39:34 UTC 2019


Thanks Coleen!

I'll remove the lines before pushing it.

Harold

On 5/8/2019 8:38 AM, coleen.phillimore at oracle.com wrote:
>
> Harold, This looks good.  From both files, can you remove the line
>
> // GC walks these as strong roots
>
> Since it doesn't walk CLD::_klasses anymore.
> Thanks,
> Coleen
>
> On 5/8/19 8:33 AM, Harold Seigel wrote:
>> Hi Lois,
>>
>> Thanks for the review!
>>
>> It is convenient to leave the calls to add_class() where they are 
>> because the loader_data is already available in those functions. 
>> Moving the calls to add_class() to complete_create_array_klass() 
>> would require extracting the loader_data in that function or passing 
>> it as an additional parameter.
>>
>> Thanks, Harold
>>
>> On 5/7/2019 3:27 PM, Lois Foltan wrote:
>>> On 5/7/2019 1:05 PM, Harold Seigel wrote:
>>>> Hi,
>>>>
>>>> Please review this fix for JDK-8217846.  The fix adds array classes 
>>>> to their classLoaderData list after creating the class's mirror 
>>>> because if mirror creation fails (perhaps because of an OOME) then 
>>>> the class should not be added to its classLoaderData list.
>>>>
>>>> Open Webrev: http://cr.openjdk.java.net/~hseigel/bug_8217846/webrev/
>>>>
>>>> JBS Bug: https://bugs.openjdk.java.net/browse/JDK-8217846
>>>>
>>>> The fix was tested by running the test over 1000 times.
>>>>
>>>> The fix was regression tested by running Mach5 tiers 1 and 2 tests 
>>>> and builds on Linux-x64, Solaris, Windows, and Mac OS X and by 
>>>> running Mach5 tiers 3-7 tests on Linux-x64.
>>>>
>>>> Thanks, Harold
>>>>
>>>
>>> Hi Harold,
>>>
>>> This looks good.  Would you consider moving the code to add the 
>>> array class to the its class loader list into 
>>> ArrayKlass::complete_create_array_klass as the last step, post 
>>> mirror creation?
>>>
>>> Thanks,
>>> Lois
>


More information about the hotspot-runtime-dev mailing list