Re: [PATCH] Remove RCU abuse in cpu_idle()

[Zwane Mwaikambo]

On Sun, 12 Dec 2004, Andrew Morton wrote:

> Zwane Mwaikambo <zwane@xxxxxxxxxxxxxxxx> wrote:
> >
> > > This gives me scadzillions of "using smp_procesor_id() in preemptible"
> >  > warnings.
> 
> As does the current_cpu_data evaluation in default_idle(), now we've gone
> and dropped the rcu_read_lock() from around it.  That debugging patch is a
> pain.
> 
> I'll switch it to boot_cpu_data.

I really should have turned on all the debugging knobs, although i might 
have hesitated before scattering _smp_processor_id in places.

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