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8245850: Obsolete UseLWPSynchronization

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Reviewed-by: dholmes, dcubed
This commit is contained in:
Mikael Vidstedt 2020-05-27 14:31:23 -07:00
parent 17a298962c
commit 4ad89925d0
2 changed files with 1 additions and 4 deletions
src/hotspot/share/runtime
arguments.cppglobals.hpp

1
src/hotspot/share/runtime/arguments.cpp

@ -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.

4
src/hotspot/share/runtime/globals.hpp

@ -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). " \