RFR(T): 8230938: Deprecate MonitorBound
Daniel D. Daugherty
daniel.daugherty at oracle.com
Fri Sep 13 22:52:37 UTC 2019
Thanks David!
Dan
On 9/13/19 6:43 PM, David Holmes wrote:
> Looks good!
>
> Thanks,
> David
>
> On 14/09/2019 6:06 am, Daniel D. Daugherty wrote:
>> Greetings,
>>
>> I have a trivial change to deprecate the -XX:MonitorBound=N option:
>>
>> JDK-8230938 Deprecate MonitorBound
>> https://bugs.openjdk.java.net/browse/JDK-8230938
>>
>> JDK-8230939 Deprecate MonitorBound (CSR)
>> https://bugs.openjdk.java.net/browse/JDK-8230939
>>
>> The CSR has been approved.
>>
>> Here's the trivial set of diffs:
>>
>> $ hg diff
>> diff -r f63f50a4bf43 src/hotspot/share/runtime/arguments.cpp
>> --- a/src/hotspot/share/runtime/arguments.cpp Thu Sep 12 11:07:35
>> 2019 -0700
>> +++ b/src/hotspot/share/runtime/arguments.cpp Thu Sep 12 20:44:45
>> 2019 -0400
>> @@ -539,6 +539,7 @@
>> { "FlightRecorder", JDK_Version::jdk(13),
>> JDK_Version::undefined(), JDK_Version::undefined() },
>> { "FieldsAllocationStyle", JDK_Version::jdk(14),
>> JDK_Version::jdk(15), JDK_Version::jdk(16) },
>> { "CompactFields", JDK_Version::jdk(14),
>> JDK_Version::jdk(15), JDK_Version::jdk(16) },
>> + { "MonitorBound", JDK_Version::jdk(14),
>> JDK_Version::jdk(15), JDK_Version::jdk(16) },
>>
>> // --- Deprecated alias flags (see also aliased_jvm_flags) -
>> sorted by obsolete_in then expired_in:
>> { "DefaultMaxRAMFraction", JDK_Version::jdk(8),
>> JDK_Version::undefined(), JDK_Version::undefined() },
>> diff -r f63f50a4bf43 src/hotspot/share/runtime/globals.hpp
>> --- a/src/hotspot/share/runtime/globals.hpp Thu Sep 12 11:07:35
>> 2019 -0700
>> +++ b/src/hotspot/share/runtime/globals.hpp Thu Sep 12 20:44:45
>> 2019 -0400
>> @@ -713,7 +713,7 @@
>> "Use LWP-based instead of libthread-based synchronization
>> " \
>> "(SPARC
>> only)") \
>> \
>> - product(intx, MonitorBound, 0, "Bound Monitor
>> population") \
>> + product(intx, MonitorBound, 0, "(Deprecated) Bound Monitor
>> population") \
>> range(0,
>> max_jint) \
>> \
>> experimental(intx, MonitorUsedDeflationThreshold,
>> 90, \
>>
>> Thanks, in advance, for any comments, questions or suggestions...
>>
>> Dan
>>
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