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

[Aleksey Shipilev]

Changeset: 63e52ed0
Author:    Aleksey Shipilev <shade at openjdk.org>
Date:      2024-01-24 12:39:51 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/63e52ed0618ac1570715694543f2b02c7bf5c95c

8318468: compiler/tiered/LevelTransitionTest.java fails with -XX:CompileThreshold=100 -XX:TieredStopAtLevel=1

Backport-of: 61d0db3838932d4030b05ffb04ee2b0215ea686e

! test/hotspot/jtreg/compiler/tiered/LevelTransitionTest.java

Changeset: 34d97ab1
Author:    Aleksey Shipilev <shade at openjdk.org>
Date:      2024-01-24 12:40:13 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/34d97ab142edb6054431d8b69d404f31a1b2c5fe

8321269: Require platforms to define DEFAULT_CACHE_LINE_SIZE

Backport-of: a56286f7ad9a8110026f48eb45f1d7a273b2f9fb

! src/hotspot/cpu/aarch64/globalDefinitions_aarch64.hpp
! src/hotspot/cpu/arm/globalDefinitions_arm.hpp
! src/hotspot/cpu/zero/globalDefinitions_zero.hpp
! src/hotspot/share/utilities/globalDefinitions.hpp