RFR 8213751: ClassLoaderDataGraph::cld_do() should sometimes require CLDG_lock

[Erik Österlund]

Hi Coleen,

Looks good.

Thanks,
/Erik

On 2018-11-15 23:50, coleen.phillimore at oracle.com wrote:
>
> ErikO and I had some offline conversation about the function naming, 
> and decided on cld_do() to follow all CLDs and loaded_cld_do() to only 
> follow the loaded CLDS, so I've reverted some of the GC cld_oops_do() 
> changes.  Also always_strong_loaded_cld_do() doesn't make sense, so I 
> removed that.
>
> Incremental (somewhat of a revert) 
> http://cr.openjdk.java.net/~coleenp/8213751.02.incr/webrev/index.html
> Full: http://cr.openjdk.java.net/~coleenp/8213751.02/webrev/index.html
>
> Reran serviceability tests and JFR tests.
>
> Thanks,
> Coleen
>
> On 11/14/18 7:44 AM, coleen.phillimore at oracle.com wrote:
>> Summary: Give GC own version of cld_oops_do and use cld_do for 
>> runtime calls.
>>
>> This also adds a NoSafepointVerifier in the CLDG iterator.
>>
>> Tested with hs-tier1-3, vmTestbase/nsk, gc, runtime and JFR tests 
>> locally.
>>
>> open webrev at http://cr.openjdk.java.net/~coleenp/8213751.01/webrev
>> bug link https://bugs.openjdk.java.net/browse/JDK-8213751
>>
>> Thanks,
>> Coleen
>