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 X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A44D9C433DF for ; Mon, 6 Jul 2020 23:09:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 88F5E206C3 for ; Mon, 6 Jul 2020 23:09:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727777AbgGFXJT (ORCPT ); Mon, 6 Jul 2020 19:09:19 -0400 Received: from mga12.intel.com ([192.55.52.136]:46986 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726845AbgGFXJS (ORCPT ); Mon, 6 Jul 2020 19:09:18 -0400 IronPort-SDR: +IhuSwzNJk1zfvF2st+AMGCt1NcQGDes6Zpee7yKSV3h34GY0BLwSaaKTBzluow1CDGtm+Bryz J5bosXuSrSzw== X-IronPort-AV: E=McAfee;i="6000,8403,9674"; a="127107447" X-IronPort-AV: E=Sophos;i="5.75,321,1589266800"; d="scan'208";a="127107447" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jul 2020 16:09:18 -0700 IronPort-SDR: Oja8NwTouCdDLO8zKrRSzzVd8altTd2s8tHLU05KbmFl7R63l2eXcBw9YDKpRvuisXQzfQzUp8 s/rmRDBFHWog== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,321,1589266800"; d="scan'208";a="297158063" Received: from hartmaxe-mobl1.ger.corp.intel.com (HELO localhost) ([10.252.53.13]) by orsmga002.jf.intel.com with ESMTP; 06 Jul 2020 16:09:15 -0700 Date: Tue, 7 Jul 2020 02:09:14 +0300 From: Jarkko Sakkinen To: Stefan Berger Cc: linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, linux-security-module@vger.kernel.org, Stefan Berger Subject: Re: [PATCH v9 2/2] tpm: Add support for event log pointer found in TPM2 ACPI table Message-ID: <20200706230914.GC20770@linux.intel.com> References: <20200706181953.3592084-1-stefanb@linux.vnet.ibm.com> <20200706181953.3592084-3-stefanb@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200706181953.3592084-3-stefanb@linux.vnet.ibm.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Sender: owner-linux-security-module@vger.kernel.org Precedence: bulk List-ID: On Mon, Jul 06, 2020 at 02:19:53PM -0400, Stefan Berger wrote: > From: Stefan Berger > > In case a TPM2 is attached, search for a TPM2 ACPI table when trying > to get the event log from ACPI. If one is found, use it to get the > start and length of the log area. This allows non-UEFI systems, such > as SeaBIOS, to pass an event log when using a TPM2. > > Signed-off-by: Stefan Berger Do you think that QEMU with TPM 1.2 emulator turned on would be a viable way to test this? I'm anyway more worried about breaking existing TPM 1.2 functionality and that requires only QEMU without extras. /Jarkko