On Mon, 2017-12-18 at 12:27 -0500, J. Bruce Fields wrote: > I'd forgotten about throughput/latency tradeoffs--but > couldn't those in theory be managed by runtime configuration of the > sceduler, or at least some smaller hammer than turning off preemption > entirely?
A kernel that has all of the goop required to support preemption can't
possibly perform as well as a kernel that can simply assume everything
is safe. All that infrastructure costs cycles.
-Mike
