RFR 8194085: Obsolete the deprecated SafepointSynchronize flags and remove related code

Daniel D. Daugherty daniel.daugherty at oracle.com
Wed Feb 21 20:29:07 UTC 2018


On 2/21/18 3:20 PM, harold seigel wrote:
> Hi Dan,
>
> I could not find any tests that used these options.

Thanks for confirming!

Dan


>
> Harold
>
>
> On 2/21/2018 2:09 PM, Daniel D. Daugherty wrote:
>> Harold,
>>
>> Do we have any tests that refer to any of these options?
>>
>> Dan
>>
>>
>> On 2/21/18 1:31 PM, harold seigel wrote:
>>> Hi,
>>>
>>> Please review this JDK-11 change to obsolete the 
>>> SafepointSpinBeforeYield, DeferThrSuspendLoopCount, and 
>>> DeferPollingPageLoopCount options and related code.  With this 
>>> change, these options are still accepted on the command line but 
>>> have no affect other than to generate these warning messages:
>>>
>>>    Java HotSpot(TM) 64-Bit Server VM warning: Ignoring option
>>>    SafepointSpinBeforeYield; support was removed in 11.0
>>>    Java HotSpot(TM) 64-Bit Server VM warning: Ignoring option
>>>    DeferThrSuspendLoopCount; support was removed in 11.0
>>>    Java HotSpot(TM) 64-Bit Server VM warning: Ignoring option
>>>    DeferPollingPageLoopCount; support was removed in 11.0
>>>
>>> Open Webrev: 
>>> http://cr.openjdk.java.net/~hseigel/bug_8194085/webrev/index.html
>>>
>>> JBS Bug: https://bugs.openjdk.java.net/browse/JDK-8194085
>>>
>>> The change was tested with Mach5 tiers 1 and 2 on all Mach5 
>>> platforms and tiers 3-5 in Linux-X64.
>>>
>>> Thanks, Harold
>>
>



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