On Wed, Dec 22, 2010 at 04:27:32PM -0800, Andrew Morton wrote:
quoted text
> >  static struct task_struct *idle_thread_array[NR_CPUS] __cpuinitdata ;
> > @@ -198,6 +200,8 @@
> >  {
> >  	int cpuid, phys_id;
> >  	unsigned long timeout;
> > +	u8 cpu_probe_on = 0;
> 
> Unneeded initialisation.
> 
> Does this cause an unused var warning when
> CONFIG_ARCH_CPU_PROBE_RELEASE=n?
> 

I am trying to avoid too much ifdef here, it seems it take an unused var
warining when CONFIG_ARCH_CPU_PROBE_RELEASE=n. good catching.

I will figure out a better method.

quoted text
> > +	struct cpuinfo_x86 *c;
> >  
> >  	/*
> >  	 * If waken up by an INIT in an 82489DX configuration
> >
> > ...
> >
> > +#ifdef CONFIG_ARCH_CPU_PROBE_RELEASE
> > +/*
> > + * Put the logical cpu into a new sokect, and encapsule it into core 0.
> 
> That comment needs help.
> 

Agree, the comment is too simple, should add better documents for function
fake_cpu_socket_info.

-- 
Thanks & Regards,
Shaohui

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