linux-kernel - Re: [RFC PATCH] cpuidle: allow per cpu latencies

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Message-ID: <CAMQu2gzwe0F3qcaTqASEPUASdG1SjpUxrBrSp-RrYLgy3W24OQ@mail.gmail.com>
Date:	Fri, 6 Apr 2012 16:02:37 +0530
From:	"Shilimkar, Santosh" <santosh.shilimkar@...com>
To:	Peter De Schrijver <pdeschrijver@...dia.com>
Cc:	Kevin Hilman <khilman@...com>, Len Brown <len.brown@...el.com>,
	Trinabh Gupta <g.trinabh@...il.com>,
	Russell King <linux@....linux.org.uk>,
	Stephen Warren <swarren@...dotorg.org>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	linux-kernel@...r.kernel.org,
	Deepthi Dharwar <deepthi@...ux.vnet.ibm.com>,
	linux-tegra@...r.kernel.org, Colin Cross <ccross@...roid.com>,
	Olof Johansson <olof@...om.net>,
	linux-arm-kernel@...ts.infradead.org,
	Arjan van de Ven <arjan@...ux.intel.com>
Subject: Re: [RFC PATCH] cpuidle: allow per cpu latencies

Peter,

On Thu, Apr 5, 2012 at 7:07 PM, Arjan van de Ven <arjan@...ux.intel.com> wrote:
> On 4/5/2012 2:53 AM, Peter De Schrijver wrote:
>> This patch doesn't update all cpuidle device registrations. I will do that
>
> question is if you want to do per cpu latencies, or if you want to have
> both types of C state in one big table, and have each of the tegra cpyu
> types pick half of them...
>
>
Indeed !! That should work.
I thought the C-states are always per CPU based and during the
cpuidle registration you can register C-state accordingly based on the
specific CPU types with different latencies if needed.

Am I missing something ?

Regards
Santosh
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