He could maybe have added a few slides giving examples of the kind of discussions that OS people might have with HW designers. Then examples of workarounds whe

He could maybe have added a few slides giving examples of the kind of discussions that OS people might have with HW designers. Then examples of workarounds when the HW designers don't listen. Thinking in terms of the OS running on the GPU as well as the CPUs would change how we connect them together, recent ARM MALI GPUs could use the same VM address for a memory page as the CPUs but they don't in Linux.