Messages in this thread | ![/](/images/icornerl.gif) | | Date | Mon, 17 Feb 2003 15:52:45 +0100 (CET) | From | Ingo Molnar <> | Subject | Re: [PATCH][2.5] Don't wake up tasks on offline processors |
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On Mon, 17 Feb 2003, Zwane Mwaikambo wrote:
> Ok i'll have a go at that instead, however how hard would it be to do a > multiple lock acquisition of that magnitude on 16+ cpus?
just do a simple loop of spin_lock()'s over all online CPUs, in forward order, ordering between runqueue locks is ordered by CPU number.
Ingo
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