Messages in this thread | | | Date | Mon, 16 Aug 2004 06:26:53 +0200 | From | Ingo Molnar <> | Subject | Re: [patch] voluntary-preempt-2.6.8.1-P0 |
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* 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.
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