On Wed, 31 Mar 2021 09:37:37 GMT, Richard Reingruber <rr...@openjdk.org> wrote:
>> src/hotspot/share/runtime/thread.cpp line 2105: >> >>> 2103: if (is_external_suspend()) { >>> 2104: java_suspend_self(); >>> 2105: } >> >> It is not at all clear to me how this method should interact with thread >> suspension ?? > > In JavaThread::wait_for_object_deoptimization() the current thread can > transition to the safe state _thread_blocked. In that state it can be > suspended. In the baseline version wait_for_object_deoptimization() checks > for suspension explicitly and self suspends if positive. With this > enhancement it happens implicitly by calling > SafepointMechanism::process_if_requested(). Yes, thanks. ------------- PR: https://git.openjdk.java.net/jdk/pull/3191