Messages in this thread | | | Subject | Re: Where is RLIMIT_RT_CPU? | From | Jean-Marc Valin <> | Date | Sun, 16 Jul 2006 01:04:17 +1000 |
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> as long as you can fork and exec as many of those processes as you want > a per process rlimit is useless security wise... an evil user just fires > off a second process just before the first one gets killed and a non-RT > root still is starved out.
Of course, which is why the idea is for the limit to be global, across all non-root users. AFAIK, that's what Ingo's original (pre-2.6.12) patch did and also what Con Kolivas' SCHED_ISO patch does. That's also why I think it would be very hard (if possible at all) to do this in user space.
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