Summary

Define ThreadSafetyMargin as obsolete

Problem

8078513 removes support code for the archaic LinuxThreads implementation that has not been functional for many years. The product VM option ThreadSafetyMargin pertains to this old code and with its removal this option can now be deprecated and removed.

Solution

Deprecate ThreadSafetyMargin by adding it to the set of unsupported options:   { "ThreadSafetyMargin",            JDK_Version::jdk(9), JDK_Version::jdk(10) },

Specification

ThreadSafetyMargin is added to the set of unsupported options.