RFR [9] 2018-02-01: Bulk backports to sh/jdk9

[Zhengyu Gu]

Okay to me.

-Zhengyu

On 02/05/2018 04:20 AM, Aleksey Shipilev wrote:
> Ping.
> 
> -Aleksey
> 
> On 01/31/2018 06:37 PM, Aleksey Shipilev wrote:
>> http://cr.openjdk.java.net/~shade/shenandoah/backports/jdk9-20180201/webrev.01/
>>
>> This backports the follow-up bugfixes we have recently found to sh/jdk9:
>>
>> 16198c705496: [backport] Conditionalize PerfDataMemorySize on enabled heap sampling
>> dd1b2cd3c66e: [backport] Make major GC phases exclusive from each other
>> 4050463704a4: [backport] Single GCTimer shared by all operations
>> af9272163588: [backport] fix -ShenandoahWriteBarrierMemBar and loop unswitching
>>
>> sh/jdk10 nightly is running with them now to verify separately.
>>
>> Testing: hotspot_gc_shenandoah {fastdebug|release}
>>
>> Thanks,
>> -Aleksey
>>
> 
>