git: openjdk/jdk21u-dev: master: 8334482: Shenandoah: Deadlock when safepoint is pending during nmethods iteration

[Aleksey Shipilev]

Changeset: c2daaa63
Branch: master
Author:    Aleksey Shipilev <shade at openjdk.org>
Date:      2024-08-01 08:46:10 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/c2daaa63aba87c801db76478802a87a3bbb326db

8334482: Shenandoah: Deadlock when safepoint is pending during nmethods iteration

Backport-of: 2aeb12ec03944c777d617d0be48982fd225b16e7

! src/hotspot/share/gc/shenandoah/shenandoahCodeRoots.cpp
! src/hotspot/share/gc/shenandoah/shenandoahConcurrentGC.cpp
! src/hotspot/share/gc/shenandoah/shenandoahNMethod.cpp
! src/hotspot/share/gc/shenandoah/shenandoahNMethod.hpp