Re: pm-hibernate : possible circular locking dependency detected

[Rusty Russell]

On Tuesday 07 April 2009 16:35:53 Peter Zijlstra wrote:
> On Tue, 2009-04-07 at 13:56 +0930, Rusty Russell wrote:
> > Looks like this will be fixed by Andrew's work-on-cpu-in-own-thread
> > patch which I just put out the pull request for.
> 
> Would it make sense to teach it about a short-circuit like:
> 
> work_on_cpu() {
> 
>   if (cpumask_weight(current->cpus_allowed) == 1 && 
>       smp_processor_id() == cpu)
>     return do_work_right_here();

Does that happen much?  I guess put a counter in and see?

Rusty.
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