On Sat, 2006-08-05 at 16:10 +0530, Srivatsa Vaddagiri wrote:
> On Fri, Aug 04, 2006 at 07:56:03PM -0700, Paul Menage wrote:
<snip>
> > An alternative (more efficient but more complex) approach would be to use
> > RCU.
>
> We can use RCU if we can assume that the readers wont block, while they
> are dereferencing task->res_group. That may be a bit of restriction on the
> readers I suspect (in case of numtask controller I dont see it to be a
> problem,
> but we havent seen other controllers yet!).
Well, if readers need to block we'd have to use SRCU.
Cheers,
-Matt Helsley
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