linux-kernel - Re: [GIT PULL] x86/txt for v2.6.32

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Message-ID: <4AC1267D.6020405@zytor.com>
Date:	Mon, 28 Sep 2009 14:11:25 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
CC:	Pavel Machek <pavel@....cz>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	Joseph Cihula <joseph.cihula@...el.com>,
	Shane Wang <shane.wang@...el.com>
Subject: Re: [GIT PULL] x86/txt for v2.6.32

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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