Commits on Feb 6, 2023

1. Unbounded GC Thread Pool Expansion for CRIU Restore …

   Initial set of changes to expand the GC thread pool beyond the
   dispatcher initialization done at VM startup. These changes are required
   by the consumed OMR GC dispatcher/configuration APIs called for restore.
   
   - Converted reference obj list iteration count from `gcThreadCount` to
   `regionExtension->_maxListIndex`, this is more correct. This is the only
   instance in the code where iteration implies the listCount from GC
   thread count. This inference was not an issue as the lists are inited
   based on the GC thread count, however now that the thread count may
   change, it is incorrect to assume the list count from the thread count.
   - Release restore thread's VM access for the duration of
   `reinitializeGCThreadCountForRestore`
   
   Signed-off-by: Salman Rana <salman.rana@ibm.com>

   

   RSalman committed Feb 6, 2023
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