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8276795: Deprecate seldom used CDS flags

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Reviewed-by: dholmes, ccheung, iklam
This commit is contained in:
Harold Seigel 2021-11-18 13:18:37 +00:00
parent 38345bd28d
commit b3a62b4881
4 changed files with 17 additions and 9 deletions
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4
src/hotspot/share/runtime/arguments.cpp
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@ -528,6 +528,10 @@ static SpecialFlag const special_jvm_flags[] = {
{ "FlightRecorder", JDK_Version::jdk(13), JDK_Version::undefined(), JDK_Version::undefined() },
{ "FilterSpuriousWakeups", JDK_Version::jdk(18), JDK_Version::jdk(19), JDK_Version::jdk(20) },
{ "MinInliningThreshold", JDK_Version::jdk(18), JDK_Version::jdk(19), JDK_Version::jdk(20) },
{ "DumpSharedSpaces", JDK_Version::jdk(18), JDK_Version::jdk(19), JDK_Version::undefined() },
{ "DynamicDumpSharedSpaces", JDK_Version::jdk(18), JDK_Version::jdk(19), JDK_Version::undefined() },
{ "RequireSharedSpaces", JDK_Version::jdk(18), JDK_Version::jdk(19), JDK_Version::undefined() },
{ "UseSharedSpaces", JDK_Version::jdk(18), JDK_Version::jdk(19), JDK_Version::undefined() },
// --- 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() },

12
src/hotspot/share/runtime/globals.hpp
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@ -1801,21 +1801,21 @@ const intx ObjectAlignmentInBytes = 8;
/* Shared spaces */ \
\
product(bool, UseSharedSpaces, true, \
"Use shared spaces for metadata") \
"(Deprecated) Use shared spaces for metadata") \
\
product(bool, VerifySharedSpaces, false, \
"Verify integrity of shared spaces") \
\
product(bool, RequireSharedSpaces, false, \
"Require shared spaces for metadata") \
"(Deprecated) Require shared spaces for metadata") \
\
product(bool, DumpSharedSpaces, false, \
"Special mode: JVM reads a class list, loads classes, builds " \
"shared spaces, and dumps the shared spaces to a file to be " \
"used in future JVM runs") \
"(Deprecated) Special mode: JVM reads a class list, loads " \
"classes, builds shared spaces, and dumps the shared spaces to " \
"a file to be used in future JVM runs") \
\
product(bool, DynamicDumpSharedSpaces, false, \
"Dynamic archive") \
"(Deprecated) Dynamic archive") \
\
product(bool, RecordDynamicDumpInfo, false, \
"Record class info for jcmd VM.cds dynamic_dump") \

4
test/hotspot/jtreg/compiler/intrinsics/klass/TestIsPrimitive.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2016, 2021, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -30,7 +30,7 @@
*
* @run main/othervm -ea -Diters=200 -Xint
* compiler.intrinsics.klass.TestIsPrimitive
* @run main/othervm -ea -XX:-UseSharedSpaces -Diters=30000 -XX:TieredStopAtLevel=1
* @run main/othervm -ea -Xshare:off -Diters=30000 -XX:TieredStopAtLevel=1
* compiler.intrinsics.klass.TestIsPrimitive
* @run main/othervm -ea -Diters=30000 -XX:TieredStopAtLevel=4
* compiler.intrinsics.klass.TestIsPrimitive

6
test/hotspot/jtreg/runtime/CommandLine/VMDeprecatedOptions.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015, 2020, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2015, 2021, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -47,6 +47,10 @@ public class VMDeprecatedOptions {
{"InitialRAMFraction", "64"},
{"TLABStats", "false"},
{"AllowRedefinitionToAddDeleteMethods", "true"},
{"UseSharedSpaces", "false"},
{"RequireSharedSpaces", "true"},
{"DumpSharedSpaces", "true"},
{"DynamicDumpSharedSpaces", "true"},
// deprecated alias flags (see also aliased_jvm_flags):
{"DefaultMaxRAMFraction", "4"},