From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6FEEAC00140 for ; Wed, 10 Aug 2022 19:09:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232091AbiHJTJ3 (ORCPT ); Wed, 10 Aug 2022 15:09:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41536 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230006AbiHJTJ1 (ORCPT ); Wed, 10 Aug 2022 15:09:27 -0400 Received: from mail.skyhub.de (mail.skyhub.de [5.9.137.197]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 856A11F604 for ; Wed, 10 Aug 2022 12:09:26 -0700 (PDT) Received: from zn.tnic (p200300ea971b9870329c23fffea6a903.dip0.t-ipconnect.de [IPv6:2003:ea:971b:9870:329c:23ff:fea6:a903]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id EB4751EC04C2; Wed, 10 Aug 2022 21:09:20 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1660158561; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=RGsooQc52pugou6/xvwIorUQqbzMZF71QJSEINxyy+U=; b=D/MDPc22ywnoWVTPT8ic+sZ4im8vfERmGVjfZ3aIBYilwd2zsKbyGAqLlvZ0A4tajwNC9L IKECg3ucrYGOq9bb5K/7ZJJhR0aoMz3kAUieaCAUiQXS2OIurOfTMri0YzGocwbwMWXu2J oibH2GQqO0Gu2I6pKd1tNcPwvpSL7j0= Date: Wed, 10 Aug 2022 21:09:16 +0200 From: Borislav Petkov To: Kuppuswamy Sathyanarayanan Cc: Thomas Gleixner , Ingo Molnar , Dave Hansen , x86@kernel.org, "H . Peter Anvin" , "Kirill A . Shutemov" , Tony Luck , Andi Kleen , Kai Huang , Wander Lairson Costa , Isaku Yamahata , marcelo.cerri@canonical.com, tim.gardner@canonical.com, khalid.elmously@canonical.com, philip.cox@canonical.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH v9 1/6] x86/tdx: Add TDX Guest attestation interface driver Message-ID: References: <20220728034420.648314-1-sathyanarayanan.kuppuswamy@linux.intel.com> <20220728034420.648314-2-sathyanarayanan.kuppuswamy@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20220728034420.648314-2-sathyanarayanan.kuppuswamy@linux.intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jul 27, 2022 at 08:44:15PM -0700, Kuppuswamy Sathyanarayanan wrote: > In TDX guest, attestation is used to verify the trustworthiness of a TD > to other entities before provisioning secrets to the TD. What is the difference between a TDX guest and a TD? I'm being told they're one and the same thing. If so, please rewrite this commit message into something actually readable because right now it is real hard to parse what this says. And pls avoid the Intel marketing bla - that's a write-only text and not meant for humans. Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette