Received: by 2002:ac0:a581:0:0:0:0:0 with SMTP id m1-v6csp4848618imm; Tue, 26 Jun 2018 01:22:02 -0700 (PDT) X-Google-Smtp-Source: ADUXVKI+eOWQ9k23UQU2PJFjspXCyz2Ps/jnJeuMOWuqrBor7Zk1RRbuEL78ESAbBVZrXiOykDUK X-Received: by 2002:a63:9741:: with SMTP id d1-v6mr456575pgo.403.1530001322087; Tue, 26 Jun 2018 01:22:02 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1530001322; cv=none; d=google.com; s=arc-20160816; b=M86QDAleOFZsxJmwaSv0T99ErJavIGDTxnu50H4ned/cCyTK45QN87zvvvHyLsyv6U Cd/hOchw8/9bfIcM9hwU15oNmIQiirMgVp+2K8JdxyNdzjytWiJMBa7xmx124VLMIgOi CQqysKYjXzenoHUSMfxo4c7DS5xOXBJQDO8DCjpYIjbbEFL/dErzXAJXpW2qa3THL65z cHxG115dBE3jSX7j3lf4Oxxe+EfPm0PGsriYrQH1MQ5FHBU/DZpAOn3ytYiKGy6uAVDC Z10+qC5REXzc1R2P0BUehCEaJ65TTY2dOYJMlHOW1ZvmkScEy4DvQUwmkzKI9BgWqeoW UzYQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :organization:references:in-reply-to:date:cc:to:from:subject :message-id:arc-authentication-results; bh=FBHnreS507WGWgjgarfnHuzD1giVLWljLYbHtj2XrYM=; b=Yn/WZlWjDxdIy34/yEIcH7X7FKJhUbhE84oTTCOwtqMYNuy9fmkn8dDKGWeWzY4fsY xeQ9TSYm0RISfh2d4tW7IhRXzhu7gZ6pBXU2P9EXxKJX9b5QO+qYPfZTNtiElAguLPjK yuLNPPRSrWSE4/QHTa7hAbLcSORqP4c/PmGntxjBTar//MAnXumh88hlaLpxttIiK/r8 iCpHWt1fS+IcSIjD5y9WF5EZHSddgVSF3nxbK+NFLGA2/NB9ltj3kig43F1je9ysWNCx qxzCGvy/cOyWhVj5njSqwZhJlrkWkyCnVuOSoh4wgWgsxBIIhqkT4KEIG0aI9sdYUsjq mnMA== 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 a4-v6si1099951plp.219.2018.06.26.01.21.47; Tue, 26 Jun 2018 01:22:02 -0700 (PDT) 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 S1752913AbeFZIU7 (ORCPT + 99 others); Tue, 26 Jun 2018 04:20:59 -0400 Received: from mga06.intel.com ([134.134.136.31]:63718 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932329AbeFZIUy (ORCPT ); Tue, 26 Jun 2018 04:20:54 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Jun 2018 01:20:51 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,274,1526367600"; d="scan'208";a="211207733" Received: from jsakkine-mobl1.tm.intel.com (HELO jyrjanai-mobl2.ger.corp.intel.com) ([10.237.50.56]) by orsmga004.jf.intel.com with ESMTP; 26 Jun 2018 01:20:49 -0700 Message-ID: <165d1f1ba8219da81390b064aaf6787ee263fe12.camel@linux.intel.com> Subject: Re: [PATCH v4 0/5] Have IMA find and use a tpm_chip until system shutdown From: Jarkko Sakkinen To: Stefan Berger , linux-integrity@vger.kernel.org, zohar@linux.vnet.ibm.com Cc: jgg@ziepe.ca, linux-kernel@vger.kernel.org Date: Tue, 26 Jun 2018 11:20:48 +0300 In-Reply-To: <7233579b5bf09fbea65e8132fb31fc9f6af59bad.camel@linux.intel.com> References: <20180625104312.2213278-1-stefanb@linux.vnet.ibm.com> <7233579b5bf09fbea65e8132fb31fc9f6af59bad.camel@linux.intel.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.28.1-2 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2018-06-26 at 11:19 +0300, Jarkko Sakkinen wrote: > On Mon, 2018-06-25 at 06:43 -0400, Stefan Berger wrote: > > This series of patches converts IMA's usage of the tpm_chip to find a TPM > > chip initially and use it until the machine is shut down. To do this we need > > to introduce a kref for the tpm_chip that IMA and all other users of a > > tpm_chip hold onto until they don't need the TPM chip anymore. > > > > Stefan > > > > v3->v4: > > - followed Jason's suggestions > > "Jason's suggestions" means nothing. Please fix the change log for the next version. /Jarkko