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

[Daniel D. Daugherty]

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

>
> 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!

Dan