On Wed, Dec 22, 2010 at 09:28:04PM -0800, Andrew Morton wrote:
quoted text
> On Thu, 23 Dec 2010 10:24:28 +0800 Shaohui Zheng <shaohui.zheng@linux.intel.com> wrote:
> 
> > > 
> > > Why *does* it check `count' and then not use it?
> > > 
> > 
> > it is a tricky thing. When I debug it under a Virtual Machine, If I do a cpu
> > probe via sysfs cpu/probe interface, The function arch_cpu_probe will be called
> > __three__ times, but only one call is valid, so I add a check on `count` to
> > ignore the invalid calls.
> 
> hm, why does it get called three times?  Is that something which
> can/should be fixed in callers rather than in the callee?

It might be a bug in the caller, but just guess currently. I will investigate it.

-- 
Thanks & Regards,
Shaohui

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