git: openjdk/jdk: master: 8331735: UpcallLinker::on_exit races with GC when copying frame anchor

[Jorn Vernee]

Changeset: 461ffafe
Branch: master
Author:    Jorn Vernee <jvernee at openjdk.org>
Date:      2024-11-27 12:20:51 +0000
URL:       https://git.openjdk.org/jdk/commit/461ffafeba459c077f1c2d9c5037305b71a8bc2a

8331735: UpcallLinker::on_exit races with GC when copying frame anchor
8343144: UpcallLinker::on_entry racingly clears pending exception with GC safepoints
8286875: ProgrammableUpcallHandler::on_entry/on_exit access thread fields from native

Reviewed-by: dholmes, eosterlund, aboldtch

! src/hotspot/share/prims/upcallLinker.cpp