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8245850: Obsolete UseLWPSynchronization
Reviewed-by: dholmes, dcubed
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vidmik committed May 27, 2020
1 parent 17a2989 commit 4ad8992
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Showing 2 changed files with 1 addition and 4 deletions.
1 change: 1 addition & 0 deletions src/hotspot/share/runtime/arguments.cpp
Expand Up @@ -563,6 +563,7 @@ static SpecialFlag const special_jvm_flags[] = {
#ifdef AARCH64
{ "UseBarriersForVolatile", JDK_Version::undefined(), JDK_Version::jdk(15), JDK_Version::jdk(16) },
#endif
{ "UseLWPSynchronization", JDK_Version::undefined(), JDK_Version::jdk(15), JDK_Version::jdk(16) },

#ifdef TEST_VERIFY_SPECIAL_JVM_FLAGS
// These entries will generate build errors. Their purpose is to test the macros.
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4 changes: 0 additions & 4 deletions src/hotspot/share/runtime/globals.hpp
Expand Up @@ -683,10 +683,6 @@ const size_t minimumSymbolTableSize = 1024;
"Disable the use of stack guard pages if the JVM is loaded " \
"on the primordial process thread") \
\
product(bool, UseLWPSynchronization, true, \
"Use LWP-based instead of libthread-based synchronization " \
"(SPARC only)") \
\
experimental(intx, MonitorUsedDeflationThreshold, 90, \
"Percentage of used monitors before triggering cleanup " \
"safepoint which deflates monitors (0 is off). " \
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