As part of the effort to make GCs more pluggable, the G1-specific data in JavaThread should be moved out into a more appropriate abstraction.
The first step is to move G1's static members (_satb_mark_queue_set and _dirty_card_queue_set) from JavaThread to the G1BarrierSet.
The first step is to move G1's static members (_satb_mark_queue_set and _dirty_card_queue_set) from JavaThread to the G1BarrierSet.