CPUFreq HAL [PSARC/2007/679 FastTrack timeout 12/12/2007]

[Mark Haywood]

Bart Smaalders wrote:
> Anup Pemmaiah wrote:
>> Artem Kachitchkine wrote:
>>>
>>>> Each processor will have a cpu device object,
>>>
>>> What happens when CPUs are DR removed/added ?
>> The associated device objects should get removed.
>>>
>>>> Set* methods will not be called on each processor. It applies for 
>>>> all the processors.
>>>
>>> Interfaces and methods are associated with objects. So what you're 
>>> saying is, even though a method is called on a particular CPU object, 
>>> it will affect all CPUs?
>> The CPUFreq interface is associated with the "computer" device object, 
>> similar to system power management interface. Since it is global there 
>> will be just one method call.
>>
>> Anup
>>>
>>> -Artem
>>
> 
> It seems to me that multi-socket machines need to support
> different speeds on different sockets.

If I remember correctly, GPM doesn't allow you to configure speeds an 
individual processors or sockets.

Mark