From mboxrd@z Thu Jan  1 00:00:00 1970
From: Arjan van de Ven <arjan@linux.intel.com>
Subject: Re: [PATCH] intel_powerclamp: Fix cstate counter detection.
Date: Mon, 18 Nov 2013 08:22:33 -0800
Message-ID: <528A3EC9.8060301@linux.intel.com>
References: <1384758395-5074-1-git-send-email-yshuiv7@gmail.com>
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To: Yuxuan Shui <yshuiv7@gmail.com>, linux-pm@vger.kernel.org
Cc: jacob.jun.pan@linux.intel.com

On 11/17/2013 11:06 PM, Yuxuan Shui wrote:
> Having all zero cstate count doesn't necesserily mean the cstate
> counter is no functional.
>

... but it does mean that powerclamp will be non-functional

but you had a reason to make this patch.
Can you expand a little bit on what you were seeing that made you
decide this patch was needed ?