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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 06DA6CCA479 for ; Tue, 28 Jun 2022 12:45:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345882AbiF1Mpw (ORCPT ); Tue, 28 Jun 2022 08:45:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42478 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345849AbiF1Mpt (ORCPT ); Tue, 28 Jun 2022 08:45:49 -0400 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 37D41193ED; Tue, 28 Jun 2022 05:45:49 -0700 (PDT) Received: from pps.filterd (m0098410.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 25SCScGf014511; Tue, 28 Jun 2022 12:45:43 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=message-id : date : mime-version : subject : to : cc : references : from : in-reply-to : content-type : content-transfer-encoding; s=pp1; bh=j6ch0D9CGVi5nh8PrSZAYmkusnozMgd1H3HBZpBxCkw=; b=oEx2MSO6y4fpuxdouhV6y0pic4OAs2diSXcqZmSY7yp1pPKXZ7V9GFaXg1XSXllLMlso VnEuAFxMPjdagv524DPMKkW1s7zGggjnCCvnu8XDHiaMZ/QPJmQwjCoeoDSXkc+PKEEJ WOa6zKE7h2cYOlXCOA7EHEU/IGvdcwFuwC/ZOo0h7DCW9JNZ/THcu9Svf6dRvGeAj8tm beg0lsl4AVKanekXaAvOxi04vOnPrIG+BWkFQAA+Btz1g4pO5q7hEBjRXwCZradCa39U 144tI6fG84SztLfpBAItS7oERyxWDWsVsUk+hoXCQGAxdwxaWqZp58iJxWd97B8PKg5l +A== Received: from ppma01dal.us.ibm.com (83.d6.3fa9.ip4.static.sl-reverse.com [169.63.214.131]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3h01pb8mge-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 28 Jun 2022 12:45:43 +0000 Received: from pps.filterd (ppma01dal.us.ibm.com [127.0.0.1]) by ppma01dal.us.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 25SCbNmV020632; Tue, 28 Jun 2022 12:45:42 GMT Received: from b01cxnp23034.gho.pok.ibm.com (b01cxnp23034.gho.pok.ibm.com [9.57.198.29]) by ppma01dal.us.ibm.com with ESMTP id 3gwt098127-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 28 Jun 2022 12:45:42 +0000 Received: from b01ledav006.gho.pok.ibm.com (b01ledav006.gho.pok.ibm.com [9.57.199.111]) by b01cxnp23034.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 25SCjfOY33685920 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 28 Jun 2022 12:45:41 GMT Received: from b01ledav006.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4D0FBAC05E; Tue, 28 Jun 2022 12:45:41 +0000 (GMT) Received: from b01ledav006.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 07371AC05B; Tue, 28 Jun 2022 12:45:41 +0000 (GMT) Received: from [9.47.158.152] (unknown [9.47.158.152]) by b01ledav006.gho.pok.ibm.com (Postfix) with ESMTP; Tue, 28 Jun 2022 12:45:40 +0000 (GMT) Message-ID: <01b52288-7fb4-3b4c-4e47-1f74a839818e@linux.ibm.com> Date: Tue, 28 Jun 2022 08:45:40 -0400 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.9.0 Subject: Re: [PATCH v2 0/3] tpm: Preserve TPM measurement log across kexec Content-Language: en-US To: Rob Herring Cc: kexec@lists.infradead.org, devicetree@vger.kernel.org, linux-integrity@vger.kernel.org, nayna@linux.ibm.com, nasastry@in.ibm.com References: <20220616154130.2052541-1-stefanb@linux.ibm.com> <20220627223352.GA3082294-robh@kernel.org> From: Stefan Berger In-Reply-To: <20220627223352.GA3082294-robh@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: SGPpnHRj-qxe3KVt3yzFdN6iFHbYKRD4 X-Proofpoint-ORIG-GUID: SGPpnHRj-qxe3KVt3yzFdN6iFHbYKRD4 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.883,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-06-28_07,2022-06-28_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 bulkscore=0 mlxlogscore=999 spamscore=0 malwarescore=0 clxscore=1015 priorityscore=1501 suspectscore=0 mlxscore=0 lowpriorityscore=0 phishscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2204290000 definitions=main-2206280052 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 6/27/22 18:33, Rob Herring wrote: > On Thu, Jun 16, 2022 at 11:41:27AM -0400, Stefan Berger wrote: >> The of-tree driver does not currently preserve the IBM vTPM 1.2 and >> vTPM 2.0 measurement logs across a kexec. This series fixes this for the >> kexec_file_load() syscall using the flattened device tree (fdt) to >> carry the measurement log's buffer across kexec. > > As mentioned in v1, please Cc other folks that might care about TPMs > and kexec. I'm sure it's not only IBM. That's why I cc'ed the linux-integrity mailing list now where all the TPM related development is happening. Stefan > > Rob