Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp2697338imu; Mon, 19 Nov 2018 04:49:25 -0800 (PST) X-Google-Smtp-Source: AJdET5cmgbx9D+3vzGsxWB9IiuoGMqVUaoDAkTEzXORiEWWVpxE6l5Fpn54GsFb7iiY8JmmTral0 X-Received: by 2002:a63:6445:: with SMTP id y66mr20534633pgb.250.1542631765290; Mon, 19 Nov 2018 04:49:25 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1542631765; cv=none; d=google.com; s=arc-20160816; b=A92TKxSocwQGIIUFj0ug62w/thigoaLIM+Aev8alm8P+Bz1SzpczjBxbxjGLCnM/GC JA2qqcCbg/DHf2BxY7aIIh8X6YR+/VQB+Aqn0ue5K85s5HfL62o//ASUA2lqAnJvSpbf PiKElj2rRwwshay3JZ5uY5+0s8oyH0VjBhcrnVzbi9ocdG2nqtehOww7SjCAhS+95bK+ F2IpRLIWowAcZQACYYv76iDcp5sdifJxx4guW/tzQopOwCPjdA6yvnj+L1DCsPOc0Ebs GsdN5x05XS+JbawUjvT2C9KV4epIlEdwFr2qQziFwMUVOoBs1GQOJhpaEkaMZzunpsy7 SjTg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:organization:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=5l+8os5j3HZNzbLz78zPS7D+FVg+ddmSUOB4DLn1zLo=; b=nwa32XIYBMG904+OT1k8DIa5pTCregekc3LiUBCTrGo/2pe1mnIwrfF5MOVnzyPW5L voPwRfUP9NigdcVhwrWdXOhpmTszpKvQSuGE50dMf0eV8S5MMWEGJ+m1tgYxG6tQHXgE DEdgwDn3dtjmLrsWAJEqN6cBq1cVn5Y+81mmOJUB71m2YjqL+5oB0hKwF1zspIDdyy/A 8CGaCzYaA9v5wsBELijcXo8RTdU4Z778kH402mw9IPdDsU8CK63eIe6yzVmLFpmajrDO VvXEt9lRQjsGWecrtdIzFBBqd+RJMHfoBiNoDPueaUYyCs/Hs+zdRkcKPHVTM+D8HPMt +c6A== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id y73si37685434pgd.478.2018.11.19.04.49.10; Mon, 19 Nov 2018 04:49:25 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728909AbeKSXMC (ORCPT + 99 others); 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-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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