JDK-8284161 : Implementation of Virtual Threads (Preview)
  • Type: Enhancement
  • Component: core-libs
  • Priority: P3
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2022-04-01
  • Updated: 2024-11-18
  • Resolved: 2022-05-07
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Resolved: Release in which this issue/RFE has been resolved.
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JDK 19
19 b22Fixed
Related Reports
CSR :  
JDK-8284169 - Implementation of Virtual Threads (Preview)
Duplicate :  
JDK-8225652 - frame::patch_pc sets _pc and _deopt_state incorrectly during deoptimization
Relates :  
JDK-8286367 - riscv: riscv port is broken after JDK-8284161
Relates :  
JDK-8286808 - Loom: Simplify generate_cont_thaw by passing thaw_kind directly
Relates :  
JDK-8286476 - x86_32: Fix crashes with non-preview mode after JDK-8284161 (Virtual Threads)
Relates :  
JDK-8286540 - Build failure caused by missing DefaultPollerProvider implementation on AIX
Relates :  
JDK-8287044 - Loom: Incorrect StackChunk::pc accessors
Relates :  
JDK-8287901 - Loom: Failures with -XX:+VerifyStack
Relates :  
JDK-8303624 - The java.lang.Thread.FieldHolder can be null for JNI attaching threads
Relates :  
JDK-8288051 - Loom: Extend the compilation warning workaround in stack chunk copy
Relates :  
JDK-8295268 - Optimized builds are broken due to incorrect assert_is_rfp shortcuts
Relates :  
JDK-8305936 - JavaThread::create_system_thread_object has unused is_visible argument
Relates :  
JDK-8319948 - jcmd man page needs to be updated
Relates :  
JDK-8288128 - S390X: Fix crashes after JDK-8284161 (Virtual Threads)
Relates :  
JDK-8225652 - frame::patch_pc sets _pc and _deopt_state incorrectly during deoptimization
Relates :  
JDK-8286642 - Port JEP 425 to x86_32
Relates :  
JDK-8286300 - Port JEP 425 to S390X
Relates :  
JDK-8286301 - Port JEP 425 to RISC-V
Relates :  
JDK-8286302 - Port JEP 425 to PPC64
Relates :  
JDK-8286597 - Implement PollerProvider on AIX
Relates :  
JDK-8286636 - MacroAssembler::post_call_nop should have InstructionMark
Relates :  
JDK-8286897 - Loom: Cleanup x86_64 StubGenerator
Relates :  
JDK-8286944 - Loom: Common ContinuationEntry cookie handling
Relates :  
JDK-8287071 - Loom: Cleanup x86_64 gen_continuation_enter
Relates :  
JDK-8277131 - JEP 425: Virtual Threads (Preview)
Relates :  
JDK-8310536 - Dead code in LibraryCallKit::scopedValueCache_helper
Relates :  
JDK-8307125 - compiler/jvmci/compilerToVM/MaterializeVirtualObjectTest.java hits assert(!Continuation::is_frame_in_continuation(thread(), fr())) failed: No support for deferred values in continuations
Relates :  
JDK-8344199 - Incorrect excluded field value set by getEventWriter intrinsic
Relates :  
JDK-8286829 - Shenandoah: fix Shenandoah Loom support
Relates :  
JDK-8287437 - Temporarily disable Continuations::enabled() for platforms which don't have an implementation, yet
Relates :  
JDK-8291508 - Fix some tests with "requires vm.jvmti & vm.continuations"
Relates :  
JDK-8305351 - C2 setScopedValueCache intrinsic doesn't use access API
Relates :  
JDK-8319935 - Ensure only one JvmtiThreadState is created for one JavaThread associated with attached native thread
Relates :  
JDK-8286360 - ARM32: Fix crashes after JDK-8284161 (Virtual Threads)
Relates :  
JDK-8286596 - AArch64: -XX:UseBranchProtection=pac-ret crashes after JDK-8284161
Relates :  
JDK-8313248 - C2: setScopedValueCache intrinsic exposes nullptr pre-values to store barriers
Relates :  
JDK-8225652 - frame::patch_pc sets _pc and _deopt_state incorrectly during deoptimization
Relates :  
JDK-8286365 - Port JEP 425 to ARM32
Relates :  
JDK-8286446 - PPC64: fix crashes after JDK-8284161 (virtual threads preview)
Sub Tasks
JDK-8286768 :  
Release Note: java.lang.ThreadGroup Is degraded - Resolved
JDK-8288416 :  
Release Note: Source and Binary Incompatible Changes to java.lang.Thread - Resolved
JDK-8289317 :  
Release Note: JVM TI Changes to Support Virtual Threads - Resolved
JDK-8290003 :  
Release Note: Thread Context ClassLoader Changed to be a Special Inheritable thread-local - Resolved
JDK-8292045 :  
Release Note: ForkJoinPool and ThreadPoolExecutor do not use Thread::start to Start Worker Threads - Resolved
Description
JEP 425 implementation.
Comments
Changeset: 9583e365 Author: Alan Bateman <alanb@openjdk.org> Date: 2022-05-07 08:06:16 +0000 URL: https://git.openjdk.java.net/jdk/commit/9583e3657e43cc1c6f2101a64534564db2a9bd84
07-05-2022
A pull request was submitted for review. URL: https://git.openjdk.java.net/jdk/pull/8166 Date: 2022-04-08 13:43:39 +0000
08-04-2022