RFR 8191890: Biased locking still uses the inferior stop the world safepoint for revocation

[coleen.phillimore at oracle.com]

This looks good!
Coleen

On 7/7/19 3:09 PM, Patricio Chilano wrote:
> Hi all,
>
> Below is the webrev for v05. This is just v04 on top of a new baseline 
> that includes the backout of 8221734 and other changes made to 
> biasedLocking code by 8225702 and 8225344.
> The only difference between v05 and v04 is the use of 
> SafepointSynchronize::safepoint_id() instead of 
> SafepointSynchronize::safepoint_counter() introduced by 8225702, and 
> not having to remove method 
> BiasedLocking::revoke_own_locks_in_handshake() and to edit method 
> Deoptimization::revoke_using_handshake() which were actually removed 
> by the backout of 8221734.
>
> Full Webrev:
> http://cr.openjdk.java.net/~pchilanomate/8191890/v05/webrev/ 
> <http://cr.openjdk.java.net/%7Epchilanomate/8191890/v05/webrev/>
>
> Tested with tiers1-7. Running another round now.
>
> Thanks!
> Patricio