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8224666: Parallel GC: Use WorkGang (8: obsolete and remove flags)

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Reviewed-by: stefank, kbarrett, tschatzl
This commit is contained in:
Leo Korinth 2019-08-16 09:18:41 +02:00
parent 1447c5c0e3
commit f075a3278b
2 changed files with 2 additions and 13 deletions
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6
src/hotspot/share/gc/shared/gc_globals.hpp
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@ -680,12 +680,6 @@
product(bool, DisableExplicitGC, false, \
"Ignore calls to System.gc()") \
\
product(bool, BindGCTaskThreadsToCPUs, false, \
"Bind GCTaskThreads to CPUs if possible") \
\
product(bool, UseGCTaskAffinity, false, \
"Use worker affinity when asking for GCTasks") \
\
product(bool, PrintGC, false, \
"Print message at garbage collection. " \
"Deprecated, use -Xlog:gc instead.") \

9
src/hotspot/share/runtime/arguments.cpp
View File

@ -553,6 +553,8 @@ static SpecialFlag const special_jvm_flags[] = {
{ "SharedMiscDataSize", JDK_Version::undefined(), JDK_Version::jdk(10), JDK_Version::undefined() },
{ "SharedMiscCodeSize", JDK_Version::undefined(), JDK_Version::jdk(10), JDK_Version::undefined() },
{ "FailOverToOldVerifier", JDK_Version::undefined(), JDK_Version::jdk(14), JDK_Version::jdk(15) },
{ "BindGCTaskThreadsToCPUs", JDK_Version::undefined(), JDK_Version::jdk(14), JDK_Version::jdk(16) },
{ "UseGCTaskAffinity", JDK_Version::undefined(), JDK_Version::jdk(14), JDK_Version::jdk(16) },
#ifdef TEST_VERIFY_SPECIAL_JVM_FLAGS
// These entries will generate build errors. Their purpose is to test the macros.
@ -1968,13 +1970,6 @@ jint Arguments::set_aggressive_heap_flags() {
return JNI_EINVAL;
}
// Get around early Solaris scheduling bug
// (affinity vs other jobs on system)
// but disallow DR and offlining (5008695).
if (FLAG_SET_CMDLINE(BindGCTaskThreadsToCPUs, true) != JVMFlag::SUCCESS) {
return JNI_EINVAL;
}
return JNI_OK;
}