On Mon, 12 Jul 2021 20:22:25 GMT, Anton Kozlov <akoz...@openjdk.org> wrote:
> The change adds W^X transition in RawMonitor family of functions, fixing the > crash. RawMonitor functions are treated specially, so W^X transition is not > inserted automatically. A better fix would be in .xml description for entries > generation, but for now it is too risky. I hope to get this fixed in 17 in > the simplest way and do re-work in the 18. This change is still 100% correct > for the reported bug. > > Verified by: > > jtreg -vmoption:-XX:+AssertWXAtThreadSync > test/hotspot/jtreg/vmTestbase/nsk/jvmti/scenarios/bcinstr/BI04/bi04t002 I can understand that raw_enter and raw_wait need this fix because they have the ThreadBlockInVM transition; but why do we need it for raw_exit and raw_notify when they do not change the thread state ?? ------------- PR: https://git.openjdk.java.net/jdk17/pull/244