Ingo Molnar wrote:
quoted text
>>
>> The default number of additional CPU IDs for hotplugging is determined 
>> by asking ACPI or mptables how many "disabled" CPUs there are in the 
>> system, but many systems get this wrong so that e.g. a uniprocessor 
>> machine gets an extra CPU allocated and never switches to single CPU 
>> mode.
>>
>> And sometimes CPU hotplugging is enabled only for suspend/hibernate 
>> anyway, so the additional CPU IDs are not wanted. Allow the number to 
>> be set to zero at compile time.
>>

Wouldn't this be better to have a runtime option?

	-hpa
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