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Date:	Fri, 7 Dec 2007 13:38:00 -0800
From:	"Pallipadi, Venkatesh" <>
To:	"Pavel Machek" <>
Cc:	"Andrew Morton" <>, <>,
	<>, <>, <>,
	<>, <>,
Subject: RE: + restore-missing-sysfs-max_cstate-attr.patch added to -mm tree


>-----Original Message-----
>From: Pavel Machek [] 
>Sent: Wednesday, December 05, 2007 3:17 AM
>To: Pallipadi, Venkatesh
>Cc: Andrew Morton;;; 
>Subject: Re: + restore-missing-sysfs-max_cstate-attr.patch 
>added to -mm tree
>> >It is not known whether Mark is actually writing to this 
>> >thing.  Perhaps
>> >read-only permissions would be a suitable fix?
>> >
>> Exporting it as read only should be OK. We also need to know if there
>> are hard user space dependency on writing to this from userspace.
>Some people are manipulating it from their suspend scripts..

That is done by default in kernel now. Deep C-states are disabled
between suspend and resume.

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