On Fri, 1 Nov 2024 03:54:24 GMT, Dan Heidinga <heidi...@openjdk.org> wrote:
>> Ioi Lam has updated the pull request incrementally with one additional >> commit since the last revision: >> >> Fixed whitespace; fixed minimal build > > src/hotspot/share/cds/aotClassInitializer.cpp line 348: > >> 346: } >> 347: JavaValue result(T_VOID); >> 348: JavaCalls::call_static(&result, ik, > > Based on the discussions in JDK-8342283, do we need a memory fence after the > call to runtimeSetup? > > I think we do to be consistent with the non-AOTCache run as there is a fence > after `<clinit>` (when this code would normally run) due to the > initialization lock. I think this is already done: `runtimeSetup()` is called inside `InstanceKlass::call_class_initializer()`. When that returns, we will proceed to `InstanceKlass::set_initialization_state_and_notify()` which will perform the memory fencing. https://github.com/iklam/jdk/blob/6eebd18fc2820ffb179d431f179fc6af6d1be247/src/hotspot/share/oops/instanceKlass.cpp#L1276-L1300 ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/21642#discussion_r1827146321