RFR(s): 8197993: Remove last use of JavaThread::flush_barrier_queues()

Erik Österlund erik.osterlund at oracle.com
Thu Feb 15 10:14:16 UTC 2018

Hi Per,

I wonder how we feel about the name on_thread_create in particular. It 
is crucial that this is performed not just when creating the thread, but 
particularly when adding it to the thread list while holding the 
Threads_lock to block safepoints, otherwise the G1 barriers would blow 
up. Therefore I would have preferred the name on_thread_add instead of 
on_thread_create. Would you agree with that?


On 2018-02-15 11:05, Erik Österlund wrote:
> Hi Per,
> Looks good.
> /Erik
> On 2018-02-15 10:33, Per Liden wrote:
>> With the introduction of BarrierSet::flush_deferred_barriers() 
>> there's no reason to keep JavaThread::flush_barrier_queues() around 
>> anymore. Replace the last call-site with a call to the barrier set 
>> instead.
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8197993
>> Webrev: http://cr.openjdk.java.net/~pliden/8197993/webrev.0/
>> /Per

More information about the hotspot-gc-dev mailing list