On 02/09/2015 21:23, David Matlack wrote: > > I actually wasn't thinking about vcpu->halt_poll_ns though. If > single_task_running() breaks us out of the loop we will "goto out" instead > of scheduling. My suspicion is this will cause us to loop calling > kvm_vcpu_block and starve the waiting task (at least until need_resched()), > which would break the "only hog the cpu when idle" aspect of halt-polling.
That's definitely a bug, yes. Paolo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
