On Tue, 14 Nov 2023 23:04:16 GMT, Sergey Bylokhov <s...@openjdk.org> wrote:
>> Jorn Vernee has updated the pull request with a new target base due to a >> merge or a rebase. The pull request now contains 52 commits: >> >> - Merge branch 'master' into AllowHeapNoLock >> - fix type and reformat doc in Linker >> - Merge branch 'master' into AllowHeapNoLock >> - tweak whitespace >> - a -> an >> - add note to downcallHandle about passing heap segments by-reference >> - Merge branch 'master' into AllowHeapNoLock >> - bump up argument counts in TestLargeStub to their maximum >> - s390 updates >> - add stub size stress test for allowHeap >> - ... and 42 more: https://git.openjdk.org/jdk/compare/03db8281...36da79d1 > > Does the usage of this new API can be checked by something like -Xcheck:jni? > Especially a part when the app still doing some upcalls to the JVM from > native when the pin is "active". @mrserb Upcalls are blocked unless a thread is in the `native` thread state [1]. So, if an upcall happens from a critical function (which doesn't transition to the `native` state), the VM will terminate with a fatal error. [1]: https://github.com/openjdk/jdk/blob/d5abe49670d81b9c4749ce777ed6bf2886228f2f/src/hotspot/share/prims/upcallLinker.cpp#L79 ------------- PR Comment: https://git.openjdk.org/jdk/pull/16201#issuecomment-1811566526
