On Mon, 15 Jul 2024 08:28:16 GMT, Doug Simon <dnsi...@openjdk.org> wrote:
>> Jorn Vernee has updated the pull request incrementally with one additional >> commit since the last revision: >> >> track has_scoped_access for compiled methods > > src/hotspot/share/prims/scopedMemoryAccess.cpp line 179: > >> 177: // >> 178: // The safepoint at which we're stopped may be in between the >> liveness check >> 179: // and actual memory access, but is itself 'outside' of @Scoped >> code > > what is `@Scoped code`? I don't see that annotation mentioned here: > https://docs.oracle.com/en/java/javase/22/docs/api/java.base/java/lang/ScopedValue.html This is the whole magic around the shared arena. It is not public API and internal to Hotspot/VM: - https://github.com/openjdk/jdk/blob/a96de6d8d273d75a6500e10ed06faab9955f893b/src/java.base/share/classes/jdk/internal/misc/X-ScopedMemoryAccess.java.template#L117-L119 - https://github.com/openjdk/jdk/blob/a96de6d8d273d75a6500e10ed06faab9955f893b/src/hotspot/share/prims/scopedMemoryAccess.cpp#L143-L149 ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/20158#discussion_r1677486942
