RFR(one-liner): 8193514: UseMembar should not be obsoleted yet

[Robbin Ehn]

On 12/15/2017 02:20 PM, Daniel D. Daugherty wrote:
> On 12/15/17 8:12 AM, Robbin Ehn wrote:
>> Hi, please review,
>>
>> After discussion with platform maintainers we keep the option around in JDK 11 
>> also. It's not decided which release it will obsoleted in, so we set it to a 
>> future one.
> 
> The bug info for this one is:
> 
> JDK-8193514 UseMembar should not be obsoleted yet
> https://bugs.openjdk.java.net/browse/JDK-8193514

Thanks!

> 
>>
>> Passes:
>> open/test/hotspot/jtreg/runtime/CommandLine/
>>
>> /Robbin
>>
>> diff -r 6d4e1efac80a src/hotspot/share/runtime/arguments.cpp
>> --- a/src/hotspot/share/runtime/arguments.cpp    Wed Dec 13 15:37:48 2017 -0800
>> +++ b/src/hotspot/share/runtime/arguments.cpp    Fri Dec 15 14:04:38 2017 +0100
>> @@ -499,3 +499,3 @@
>>    { "InitialRAMFraction",           JDK_Version::jdk(10), 
>> JDK_Version::undefined(), JDK_Version::undefined() },
>> -  { "UseMembar",                    JDK_Version::jdk(10), 
>> JDK_Version::jdk(11), JDK_Version::jdk(12) },
>> +  { "UseMembar",                    JDK_Version::jdk(10), 
>> JDK_Version::undefined(), JDK_Version::undefined() },
>>    { "FastTLABRefill",               JDK_Version::jdk(10), 
>> JDK_Version::jdk(11), JDK_Version::jdk(12) },
> 
> Thumbs up!

And thanks again!

/Robbin

> 
> Dan
>