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_HELO_NONE,SPF_PASS,USER_AGENT_MUTT autolearn=unavailable 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 B2CA5C28D18 for ; Wed, 5 Jun 2019 14:09:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8D9DA206C3 for ; Wed, 5 Jun 2019 14:09:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728287AbfFEOJi (ORCPT ); Wed, 5 Jun 2019 10:09:38 -0400 Received: from mga04.intel.com ([192.55.52.120]:61236 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726442AbfFEOJi (ORCPT ); Wed, 5 Jun 2019 10:09:38 -0400 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 fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 05 Jun 2019 07:09:37 -0700 X-ExtLoop1: 1 Received: from araresx-wtg1.ger.corp.intel.com (HELO localhost) ([10.252.46.102]) by fmsmga006.fm.intel.com with ESMTP; 05 Jun 2019 07:09:33 -0700 Date: Wed, 5 Jun 2019 17:09:31 +0300 From: Jarkko Sakkinen To: Sumit Garg Cc: Sasha Levin , peterhuewe@gmx.de, jgg@ziepe.ca, corbet@lwn.net, Linux Kernel Mailing List , linux-doc@vger.kernel.org, linux-integrity@vger.kernel.org, Microsoft Linux Kernel List , Thirupathaiah Annapureddy , "Bryan Kelly (CSI)" , tee-dev@lists.linaro.org Subject: Re: [PATCH v4 1/2] fTPM: firmware TPM running in TEE Message-ID: <20190605140848.GB11331@linux.intel.com> References: <20190530152758.16628-1-sashal@kernel.org> <20190530152758.16628-2-sashal@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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 Tue, Jun 04, 2019 at 11:45:52AM +0530, Sumit Garg wrote: > Is this well tested? I see this misleading error multiple times as > follows although TEE driver works pretty well. > > Module built with "CONFIG_TCG_FTPM_TEE=y" > > [ 1.436878] ftpm-tee tpm@0: ftpm_tee_probe:tee_client_open_context failed > [ 1.509471] ftpm-tee tpm@0: ftpm_tee_probe:tee_client_open_context failed > [ 1.517268] ftpm-tee tpm@0: ftpm_tee_probe:tee_client_open_context failed > [ 1.525596] ftpm-tee tpm@0: ftpm_tee_probe:tee_client_open_context failed > > -Sumit No testing done from my part. /Jarkko