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=-0.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 369F2C433DF for ; Wed, 17 Jun 2020 23:14:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 18FCB21556 for ; Wed, 17 Jun 2020 23:14:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727011AbgFQXOp (ORCPT ); Wed, 17 Jun 2020 19:14:45 -0400 Received: from mga05.intel.com ([192.55.52.43]:56051 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726835AbgFQXOo (ORCPT ); Wed, 17 Jun 2020 19:14:44 -0400 IronPort-SDR: RpIp8TgRl7Wb5cpD03NNonoE2Nt1ttN9oR7NpwR7uGdiLcBnm8IuKt1Vm6AdY9vXnlguhWFgg/ ii4O9NBBERPQ== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Jun 2020 16:14:43 -0700 IronPort-SDR: xYhJJOFwfFkEbqi1RPAcBFZIgp3FcLNJR7J86i2/7dF1EoRXvTAKgcViEW3ziaXxCkLuN5WVMp CrsTU31DELRQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,523,1583222400"; d="scan'208";a="277434089" Received: from kleeve-mobl.ger.corp.intel.com (HELO localhost) ([10.252.50.166]) by orsmga006.jf.intel.com with ESMTP; 17 Jun 2020 16:14:30 -0700 Date: Thu, 18 Jun 2020 02:14:29 +0300 From: Jarkko Sakkinen To: Sumit Garg Cc: Mimi Zohar , James Bottomley , David Howells , Jens Wiklander , Jonathan Corbet , James Morris , "Serge E. Hallyn" , Casey Schaufler , Janne Karhunen , Daniel Thompson , Markus Wamser , "open list:ASYMMETRIC KEYS" , linux-integrity@vger.kernel.org, linux-security-module@vger.kernel.org, Linux Doc Mailing List , Linux Kernel Mailing List , linux-arm-kernel , op-tee@lists.trustedfirmware.org, "tee-dev @ lists . linaro . org" , Luke Hinds Subject: Re: [PATCH v5 1/4] KEYS: trusted: Add generic trusted keys framework Message-ID: <20200617231429.GD62794@linux.intel.com> References: <1591107505-6030-1-git-send-email-sumit.garg@linaro.org> <1591107505-6030-2-git-send-email-sumit.garg@linaro.org> <20200615182457.GB5416@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 16, 2020 at 07:02:37PM +0530, Sumit Garg wrote: > + Luke > > Hi Jarkko, > > Prior to addressing your comments below which seems to show your > preference for compile time selection of trust source (TPM or TEE), I > would just like to hear the reasons for this preference especially if > it makes distro vendor's life difficult [1] to make opinionated > selection which could rather be achieved dynamically based on platform > capability. > > [1] https://lkml.org/lkml/2020/6/3/405 > > -Sumit Hmm... I do get the distribution kernel point. OK, lets revert to dynamic then. Thanks for the remark. /Jarkko