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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 01B4CC3F68F for ; Thu, 13 Feb 2020 18:11:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DE031206CC for ; Thu, 13 Feb 2020 18:11:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728184AbgBMSLk (ORCPT ); Thu, 13 Feb 2020 13:11:40 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:32548 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727608AbgBMSLk (ORCPT ); Thu, 13 Feb 2020 13:11:40 -0500 Received: from pps.filterd (m0098420.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 01DI5ZTA093809; Thu, 13 Feb 2020 13:11:34 -0500 Received: from ppma05wdc.us.ibm.com (1b.90.2fa9.ip4.static.sl-reverse.com [169.47.144.27]) by mx0b-001b2d01.pphosted.com with ESMTP id 2y4j8a0du5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 13 Feb 2020 13:11:34 -0500 Received: from pps.filterd (ppma05wdc.us.ibm.com [127.0.0.1]) by ppma05wdc.us.ibm.com (8.16.0.27/8.16.0.27) with SMTP id 01DIAQRC001732; Thu, 13 Feb 2020 18:11:33 GMT Received: from b01cxnp23032.gho.pok.ibm.com (b01cxnp23032.gho.pok.ibm.com [9.57.198.27]) by ppma05wdc.us.ibm.com with ESMTP id 2y5bbyg2hf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 13 Feb 2020 18:11:33 +0000 Received: from b01ledav003.gho.pok.ibm.com (b01ledav003.gho.pok.ibm.com [9.57.199.108]) by b01cxnp23032.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 01DIBXWf52822314 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 13 Feb 2020 18:11:33 GMT Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2B5ABB2067; Thu, 13 Feb 2020 18:11:33 +0000 (GMT) Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D3FCEB2065; Thu, 13 Feb 2020 18:11:32 +0000 (GMT) Received: from sbct-3.pok.ibm.com (unknown [9.47.158.153]) by b01ledav003.gho.pok.ibm.com (Postfix) with ESMTP; Thu, 13 Feb 2020 18:11:32 +0000 (GMT) Subject: Re: [PATCH 2/3] tpm: ibmvtpm: Wait for buffer to be set before proceeding To: Nayna , Stefan Berger , linux-integrity@vger.kernel.org Cc: aik@ozlabs.ru, david@gibson.dropbear.id.au, linux-kernel@vger.kernel.org, gcwilson@linux.ibm.com References: <20200204132706.3220416-1-stefanb@linux.vnet.ibm.com> <20200204132706.3220416-3-stefanb@linux.vnet.ibm.com> <568c8b9b-31e1-c6eb-c88b-12e8cf731473@linux.vnet.ibm.com> From: Stefan Berger Message-ID: Date: Thu, 13 Feb 2020 13:11:32 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.3.1 MIME-Version: 1.0 In-Reply-To: <568c8b9b-31e1-c6eb-c88b-12e8cf731473@linux.vnet.ibm.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.572 definitions=2020-02-13_06:2020-02-12,2020-02-13 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 mlxlogscore=839 clxscore=1011 phishscore=0 bulkscore=0 priorityscore=1501 malwarescore=0 suspectscore=0 lowpriorityscore=0 spamscore=0 mlxscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2002130128 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2/13/20 12:53 PM, Nayna wrote: > > On 2/4/20 8:27 AM, Stefan Berger wrote: >> From: Stefan Berger >> >> Synchronize with the results from the CRQs before continuing with >> the initialization. This avoids trying to send TPM commands while >> the rtce buffer has not been allocated, yet. > > Seems like it is not specific to vtpm 2.0.  Shall it be clarified that > it is a fix for vtpm 1.2 also ? That's why it says 'TPM commands' and not 'TPM 2.0 commands'.   Stefan > > Thanks & Regards, > >     - Nayna >