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SubjectRe: [PATCH 3/5] x86/smpboot: Make the check code more clear in prefill_possible_map()
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Hi Peter,

At 03/20/2018 08:39 PM, Peter Zijlstra wrote:
> On Tue, Mar 20, 2018 at 07:04:30PM +0800, Dou Liyang wrote:
>> case 1: no | no | no | --> min (setup_possible_cpus, nr_cpu_ids, setup_max_cpus)
>> case 2: no | no | yes| --> min (setup_possible_cpus, nr_cpu_ids)
>> case 3: no | yes | no | --> 1
>> case 4: no | yes | yes| --> 1
>> case 5: yes | no | no | --> min (num_processors, nr_cpu_ids, setup_max_cpus)
>> case 6: yes | no | yes| --> min (num_processors + disabled_cpus, nr_cpu_ids)
>> case 7: yes | yes | no | --> 1
>> case 8: yes | yes | yes| --> 1
>
> The case number is off by one ;-)
>

I got it! ;-)

Thanks
dou
>
>


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