Messages in this thread | | | From | Rusty Russell <> | Subject | Re: pm-hibernate : possible circular locking dependency detected | Date | Wed, 8 Apr 2009 12:47:08 +0930 |
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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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