RFR: 8154750: Add missing OrderAccess operations to ClassLoaderData lock-free data structures

[David Holmes]

Thanks Kim! Appreciate your thorough review on this.

David

On 28/05/2016 3:06 PM, Kim Barrett wrote:
>> On May 28, 2016, at 12:16 AM, David Holmes <david.holmes at oracle.com> wrote:
>>
>> updated webrev: http://cr.openjdk.java.net/~dholmes/8154750/webrev.v3/
>>
>> packages_do() uses load_ptr_acquire.
>>
>> remove_classes() no longer locks, and asserts that we're at a safepoint.
>>
>> hs-nightly testing still under way.
>
> Looks good.
>