On Wed, 31 Jan 2024 18:57:23 GMT, Coleen Phillimore <cole...@openjdk.org> wrote:
> This change uses a claim token to allocate multi dimensional arrays rather > than holding MultiArray_lock around metaspace allocation. We can't hold a > mutex around metaspace allocation because it can create an OOM object and it > can also call into JVMTI for a resource exhausted event. Also, we were > creating mirrors and more metadata arrays while holding this lock. See the > bug for more details and other ideas considered and rejected. > > Tested with tier1-7. Can't you just use a Monitor to implement the claim token, rather than this lock-free approach? (Similar to how class initialization is handled.) ------------- PR Review: https://git.openjdk.org/jdk/pull/17660#pullrequestreview-1855472920
