Re: [PATCH 3/5] x86/smpboot: Make the check code more clear in prefill_possible_map()

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:

quoted

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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