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 65026C43441 for ; Mon, 19 Nov 2018 12:48:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 32FCE20851 for ; Mon, 19 Nov 2018 12:48:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 32FCE20851 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 S1728742AbeKSXMC (ORCPT ); Mon, 19 Nov 2018 18:12:02 -0500 Received: from mga11.intel.com ([192.55.52.93]:34675 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728701AbeKSXMC (ORCPT ); Mon, 19 Nov 2018 18:12:02 -0500 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 19 Nov 2018 04:48:30 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,252,1539673200"; d="scan'208";a="282337788" Received: from tmuluk-mobl4.ger.corp.intel.com (HELO localhost) ([10.249.254.135]) by fmsmga006.fm.intel.com with ESMTP; 19 Nov 2018 04:48:24 -0800 Date: Mon, 19 Nov 2018 14:48:22 +0200 From: Jarkko Sakkinen To: "Winkler, Tomas" Cc: "linux-integrity@vger.kernel.org" , "linux-security-module@vger.kernel.org" , James Bottomley , "Struk, Tadeusz" , Stefan Berger , Nayna Jain , Peter Huewe , Jason Gunthorpe , Arnd Bergmann , Greg Kroah-Hartman , open list Subject: Re: [PATCH v9 16/17] tpm: take TPM chip power gating out of tpm_transmit() Message-ID: <20181119124822.GB8755@linux.intel.com> References: <20181118124753.18613-1-jarkko.sakkinen@linux.intel.com> <20181118124753.18613-17-jarkko.sakkinen@linux.intel.com> <5B8DA87D05A7694D9FA63FD143655C1B9DA225B9@hasmsx108.ger.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5B8DA87D05A7694D9FA63FD143655C1B9DA225B9@hasmsx108.ger.corp.intel.com> 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 On Sun, Nov 18, 2018 at 10:52:46PM +0000, Winkler, Tomas wrote: > This is still NACK from my side Last time you spoke about tboot intervention but I don't see why as even sending a single command is not atomic in the true sense of the word i.e. if there was a problem that would already affect the existing code and would essentially mean that tboot itself is broken. /Jarkko