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Message-ID: <4A82EE1E.5080001@linux.intel.com>
Date: Wed, 12 Aug 2009 09:30:22 -0700
From: Arjan van de Ven <arjan@linux.intel.com>
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To: "H. Peter Anvin" <hpa@zytor.com>
CC: "Wang, Shane" <shane.wang@intel.com>, Ingo Molnar <mingo@elte.hu>,
       "Cihula, Joseph" <joseph.cihula@intel.com>,
       "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
       "andi@firstfloor.org" <andi@firstfloor.org>,
       "chrisw@sous-sol.org" <chrisw@sous-sol.org>,
       "jmorris@namei.org" <jmorris@namei.org>,
       "jbeulich@novell.com" <jbeulich@novell.com>,
       "peterm@redhat.com" <peterm@redhat.com>,
       "Wei, Gang" <gang.wei@intel.com>
Subject: Re: [RFC v6][PATCH 0b/4] intel_txt: Intel(R) Trusted Execution	Technology
 support for Linux - Details
References: <4A4ACA60.1000209@intel.com> <20090807072752.GA12119@elte.hu> <20090812145321.GA11347@elte.hu> <4A82DBA2.2000509@zytor.com> <037F493892196B458CD3E193E8EBAD4F01EAB641FD@pdsmsx502.ccr.corp.intel.com> <4A82ED93.70705@zytor.com>
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H. Peter Anvin wrote:
> On 08/12/2009 08:42 AM, Wang, Shane wrote:
>> oh, S3 support by TXT is one of TXT support. We have code to secure S3 sleep and resume.
>> Without S3 support, TXT code is incomplete.
>>
> 
> That doesn't make any sense.
> 
> The question is: if the user doesn't want S3, do they still need to
> enable S3 in order to be able to use TXT?  Otherwise, this code needs to
> be properly conditionalized.
> 

it's the other way around
if you have S3 support, you also need the TXT S3 piece.
the S3 piece of TXT is irrelevant if you cannot do S3.