linux-kernel - Re: [PATCH 14/16] intel_idle: remove use and definition of MWAIT_MAX_NUM

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Message-ID: <511982C6.7080505@kernel.org>
Date:	Mon, 11 Feb 2013 18:46:14 -0500
From:	Len Brown <lenb@...nel.org>
To:	Daniel Lezcano <daniel.lezcano@...aro.org>
CC:	linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
	Len Brown <len.brown@...el.com>
Subject: Re: [PATCH 14/16] intel_idle: remove use and definition of MWAIT_MAX_NUM_CSTATES

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.

thanks,
Len Brown, Intel Open Source Technology Center

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