Messages in this thread | | | Date | Tue, 20 Mar 2018 13:39:18 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH 3/5] x86/smpboot: Make the check code more clear in prefill_possible_map() |
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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 ;-)
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