Am Donnerstag, 5. Juli 2007 schrieb Paul Mackerras:
> > I have discussed the benefits elsewhere. As for the deadlocks -- do
> > you still observe them if you use the version of the freezer which
> > doesn't freeze kernel threads?
>
> In general the only way to guarantee there are no deadlocks is to
> construct the graph of dependencies between tasks. Those dependencies
> are not in practice observable from outside the tasks, so it is
> virtually impossible to construct the graph.
In which way can user space tasks depend on each other in a way that
allows a them members of that cycle to be in uninterruptible sleep?
Regards
Oliver
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