Messages in this thread | | | Subject | Re: [BUG] cpu-hotplug: Can't offline the CPU with naughty realtime processes | From | Rusty Russell <> | Date | Tue, 08 May 2007 14:04:06 +1000 |
| |
On Tue, 2007-05-08 at 12:29 +0900, Satoru Takeuchi wrote: > At Tue, 08 May 2007 13:02:25 +1000, > Rusty Russell wrote: > > We used to be able to create kernel threads higher than any userspace > > priority. If this is no longer true, I think that's OK: equal priority > > still means we'll get scheduled, right? > > IF SCHED_RR, yes. However, if SCHED_FIFO, no. Such process doen't have timeslice > and only relinquish CPU time voluntarily. > > # Hence this problem is complicated ;-(
OK, well, I agree with "don't do that" then 8)
Thanks, Rusty.
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |