Dimitris Michailidis wrote:
> Consider the following scenario. Suppose you have several idle CPUs and two
> RT processes A and B wake up and run reschedule_idle(). If their preferred
> CPUs are busy, A and B will try to find an idle CPU. Both may find the same
> CPU and send it one reschedule IPI each. Said CPU will schedule one of A and
> B (maybe) and the other will be left on the run queue. It can stay there
> indefinitely even though there are many other idle CPUs (which remain
> blissfully unaware of the presence of runnable processes on the run
> queue).
Well, at least one of the RT process runs which is at least as good as
the UP guarantee :-)
-- Jamie
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This archive was generated by hypermail 2b29 : Tue Feb 15 2000 - 21:00:20 EST