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    SubjectRe: [PATCH v6 2/3] KVM: dynamic halt_poll_ns adjustment
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    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


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