Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753351AbZI1VRt (ORCPT ); Mon, 28 Sep 2009 17:17:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753056AbZI1VRt (ORCPT ); Mon, 28 Sep 2009 17:17:49 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:35594 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752952AbZI1VRs (ORCPT ); Mon, 28 Sep 2009 17:17:48 -0400 Date: Mon, 28 Sep 2009 23:17:45 +0200 From: Pavel Machek To: "H. Peter Anvin" Cc: "Rafael J. Wysocki" , Linus Torvalds , Linux Kernel Mailing List , Ingo Molnar , Thomas Gleixner , Joseph Cihula , Shane Wang Subject: Re: [GIT PULL] x86/txt for v2.6.32 Message-ID: <20090928211745.GA2119@elf.ucw.cz> References: <200909142051.n8EKpiOM017912@terminus.zytor.com> <200909262344.21257.rjw@sisk.pl> <20090928210252.GD1960@elf.ucw.cz> <200909282307.56190.rjw@sisk.pl> <4AC1267D.6020405@zytor.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4AC1267D.6020405@zytor.com> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1236 Lines: 31 On Mon 2009-09-28 14:11:25, H. Peter Anvin wrote: > 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. How does it provide integrity protection? I'm free to modify RAM content in the other machine.... Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/