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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=ham 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 E554FC04EB8 for ; Fri, 30 Nov 2018 23:35:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B3C7C20867 for ; Fri, 30 Nov 2018 23:35:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B3C7C20867 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-integrity-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726788AbeLAKp7 (ORCPT ); Sat, 1 Dec 2018 05:45:59 -0500 Received: from mga17.intel.com ([192.55.52.151]:35265 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725867AbeLAKp6 (ORCPT ); Sat, 1 Dec 2018 05:45:58 -0500 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 30 Nov 2018 15:35:01 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,300,1539673200"; d="scan'208";a="294873275" Received: from jsakkine-mobl1.jf.intel.com (HELO localhost) ([10.241.225.27]) by fmsmga005.fm.intel.com with ESMTP; 30 Nov 2018 15:35:01 -0800 Date: Fri, 30 Nov 2018 15:35:01 -0800 From: Jarkko Sakkinen To: linux-integrity@vger.kernel.org Subject: TPM legacy Message-ID: <20181130233501.GA32256@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-integrity-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-integrity@vger.kernel.org Hi Some things that came up at LSS. First, would it be time to drop 1.1b bits? What advantages this would bring? AFAIK Peter is a strong supporter of this. In the hall way discussions, I talked with Tomas Winkler that it would make sense to add CONFIG_TCG_TPM1 flag to completely leave out all TPM 1.x bits from the kernel. TPM 1.x stuff is not exactly legacy but especially on IoT does not make sense to carry that code with. /Jarkko