Re: [PATCH 14/16] intel_idle: remove use and definition of MWAIT_MAX_NUM_CSTATES

From: Daniel Lezcano
Date: Tue Feb 12 2013 - 17:43:56 EST


On 02/12/2013 12:46 AM, Len Brown wrote:
> On 02/11/2013 03:53 AM, Daniel Lezcano wrote:
>> On 02/09/2013 02:08 AM, Len Brown wrote:
>
>>> The reason to change is that intel_idle will soon be able
>>> to export more than the 8 "major" states supported by MWAIT.
>>> When we hit that limit, it is important to know
>>> where the limit comes from.
>>
>> Does it mean CPUIDLE_STATE_MAX may increase in a near future ?
>
> Yes, perhaps to 10.
> Let me know if you anticipate issues with doing that.

No, I don't see any issue so far. Maybe the array state is increasing
more and more, so for most architecture it is a waste of memory, but
anyway ...



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