Message-ID: <4AC1267D.6020405@zytor.com>
Date: Mon, 28 Sep 2009 14:11:25 -0700
From: "H. Peter Anvin" <hpa@zytor.com>
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To: "Rafael J. Wysocki" <rjw@sisk.pl>
CC: Pavel Machek <pavel@ucw.cz>,
       Linus Torvalds <torvalds@linux-foundation.org>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
       Joseph Cihula <joseph.cihula@intel.com>,
       Shane Wang <shane.wang@intel.com>
Subject: Re: [GIT PULL] x86/txt for v2.6.32
References: <200909142051.n8EKpiOM017912@terminus.zytor.com> <200909262344.21257.rjw@sisk.pl> <20090928210252.GD1960@elf.ucw.cz> <200909282307.56190.rjw@sisk.pl>
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On 09/28/2009 02:07 PM, Rafael J. Wysocki wrote:
>>
>> Well, I worry that S3 support for TXT makes TXT completely useless. A
>> little liquid nitrogen, remove RAM, place it in another machine,
>> modify it in any way you want, more liquid nitrogen, place it back.
>>
>> Oops, protection provided by TXT is lost.
> 
> Ah, I see your point now.
> 

Shane Wang sent me a patch for S3 support, but it missed the merge window:

	http://marc.info/?i=4A9CE0B2.5060608@intel.com

*As far as I understand* -- and I haven't looked into it in detail yet,
having just come back from Plumber's -- this provides integrity
protection, not content extraction protection.

Shane, could you please comment?

Thanks,

	-hpa
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