git: openjdk/jdk21u-dev: master: 2 new changesets

[Aleksey Shipilev]

Changeset: f5f5870f
Author:    Xiaolong Peng <xlpeng at amazon.com>
Committer: Aleksey Shipilev <shade at openjdk.org>
Date:      2024-06-03 08:16:32 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/f5f5870f4a600c579d082138d8f251dbd5d3ff13

8331771: ZGC: Remove OopMapCacheAlloc_lock ordering workaround

Reviewed-by: phh
Backport-of: 5746137e8a46e1eb964fe8c4de015a62dc17a745

! src/hotspot/share/gc/shared/collectedHeap.hpp
! src/hotspot/share/gc/shared/isGCActiveMark.cpp
! src/hotspot/share/gc/shared/isGCActiveMark.hpp
! src/hotspot/share/gc/z/zVerify.cpp

Changeset: 56668630
Author:    Xiaolong Peng <xlpeng at amazon.com>
Committer: Aleksey Shipilev <shade at openjdk.org>
Date:      2024-06-03 08:16:50 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/56668630a6d42cb957e4154a1ad0824b5e9a9c54

8329134: Reconsider TLAB zapping

Backport-of: 5698f7ad29c939b7e52882ace575dd7113bf41de

! src/hotspot/share/gc/shared/memAllocator.cpp
! src/hotspot/share/gc/shared/threadLocalAllocBuffer.inline.hpp
! src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp
! src/hotspot/share/interpreter/zero/bytecodeInterpreter.cpp
! src/hotspot/share/runtime/globals.hpp