RFR: 8185062: Set AssumeMP to true and deprecate the flag

[David Holmes]

Hi Vladimir,

On 29/09/2017 1:31 AM, Vladimir Kozlov wrote:
> On 9/27/17 11:01 PM, David Holmes wrote:
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8185062
>> Webrev: http://cr.openjdk.java.net/~dholmes/8185062/webrev/
> 
> What are rules for flags values in the test?
> I see some are not matching values in globals.hpp.

No rules. The test simply verifies you get the deprecation warning. The 
value doesn't matter as long as it is valid.

>>
>> Following on from the discussion here:
>>
>> http://mail.openjdk.java.net/pipermail/hotspot-dev/2017-August/027720.html 
>>
>>
>> and given the new 6 monthly release cadence, it has been decided to 
>> switch AssumeMP to true and deprecate it in 18.3, with a view to 
>> obsoleting it and removing all non-MP related code in 18.9.
>>
>> The SPARC specific setting of AssumeMP is no longer needed, and 
>> os::is_MP is micro-optimized by checking AssumeMP first.
>>
>> CSR request: https://bugs.openjdk.java.net/browse/JDK-8188079
>>
>> Can I please get a reviewer for the CSR request (edit it and add your 
>> OpenJDK user name to the "Reviewed by" box).
> 
> Reviewed.

Thanks!

David

> Thanks,
> Vladimir
> 
>>
>> I will push once the CSR request is approved.
>>
>> Thanks,
>> David