On Thu, 23 Dec 2010 10:24:28 +0800 Shaohui Zheng <shaohui.zheng@linux.intel.com> wrote:

quoted text
> > 
> > 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?

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