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    SubjectRe: [patch] voluntary-preempt-2.6.8.1-P0

    * Lee Revell <rlrevell@joe-job.com> wrote:

    > > > just to check this theory, could you make __check_and_rekey() an empty
    > > > function? This should still produce a working random driver, albeit at
    > > > much reduced entropy. If these latencies have a relationship to the
    > > > mlockall() issue then this change should have an effect.
    > >
    > > hm, could you disable the random driver in the .config rather? It seems
    > > that adding to the entropy pool (from hardirq context) alone is quite
    > > expensive too.
    > >
    >
    > Can this be disabled in the .config? I can't find an option for it.

    oh well, indeed it cannot be disabled. Then i'd suggest to return early
    from extract_entropy(), without doing anything. That is the function
    that seems to introduce the worst overhead.

    Ingo
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