git: openjdk/jdk21u-dev: master: 3 new changesets

[Andrew Lu]

Changeset: f0f2e70f
Author:    Gui Cao <gcao at openjdk.org>
Committer: Fei Yang <fyang at openjdk.org>
Date:      2024-04-19 09:46:54 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/f0f2e70f84ee4ddb2e2af97d68713c8952b7928f

8326936: RISC-V: Shenandoah GC crashes due to incorrect atomic memory operations
8316186: RISC-V: Remove PlatformCmpxchg<4>
8330242: RISC-V: Simplify and remove CORRECT_COMPILER_ATOMIC_SUPPORT in atomic_linux_riscv.hpp

Reviewed-by: fyang
Backport-of: a089ed2b9289eeda73bba47ac87e5bc81a4af9dc

! src/hotspot/os_cpu/linux_riscv/atomic_linux_riscv.hpp

Changeset: 6c5500bb
Author:    Aleksey Shipilev <shade at openjdk.org>
Date:      2024-04-19 09:48:40 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/6c5500bba68d62040004b3157b128ae645eb60c8

8318986: Improve GenericWaitBarrier performance

Backport-of: 30462f9da40d3a7ec18fcf46e2154fabb5fd4753

! src/hotspot/share/utilities/waitBarrier_generic.cpp
! src/hotspot/share/utilities/waitBarrier_generic.hpp

Changeset: 686399a5
Author:    Andrew Lu <andrewlu at openjdk.org>
Date:      2024-04-19 09:50:37 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/686399a5be1289b4a9f82467292e71cfda5ba0c3

8318599: HttpURLConnection cache issues leading to crashes in JGSS w/ native GSS introduced by 8303809

Backport-of: f1a24f6d4827f9b8648dd2afe6d606dab67d51fe

! src/java.base/share/classes/sun/net/www/protocol/http/NegotiateAuthentication.java