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    SubjectRe: [RFC PATCH 10/15] nohz_task: Enter in extended quiescent state when in userspace
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    On Mon, 2010-12-20 at 16:24 +0100, Frederic Weisbecker wrote:
    > (we check if the local cpu is in nohz mode, which means
    > no other task compete on that CPU)

    You keep repeating that definition, but its not true.. It means there is
    not work for the tick to do, the tick does _tons_ more besides
    preemption, so nr_running==1 is necessary but not sufficient.


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