Received: by 2002:ac0:a5a6:0:0:0:0:0 with SMTP id m35-v6csp3143862imm; Mon, 10 Sep 2018 11:47:06 -0700 (PDT) X-Google-Smtp-Source: ANB0VdazOdyIuO+VkbBXFxqrGJPJ1oXmXznq+8VkbpxBfKX4e01TcDxnI6TPpum/ayJlsJq2ROdQ X-Received: by 2002:a17:902:7614:: with SMTP id k20-v6mr23415672pll.170.1536605226824; Mon, 10 Sep 2018 11:47:06 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1536605226; cv=none; d=google.com; s=arc-20160816; b=vzO4W8+GexDxSSaa5qqrHzZ1bKh4k009yAe0vw7A22pcYxJyimfMeGIEpNqlMfyH1s VkHl3Gx+Mi5YUpSe4hncE9ZxAIIdLzjCZs+jJKSkQ6sXHg5WvAtncyCzpk8g2NDovQpq vb/OkkZuBWv0HAAO+Ew0m4L7cvZfZzTZO0BjEgDVfvmaOZl1zeJAKgT2xzQS6dqIWGVM S2kam4sr9GLCSFb0zcH4p4qXL2E5LyMxXR9als7tycsJAMkbV4stAhhrhmLVT2dQbW+N DRwZTvYM4IrXf5XOsKg5reeA9PE1ETKvTkWTCGc6wkgCe9bZSGhCRN0qvW0+idXpqVlf SEbA== 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=FPMOkeKrI3AL7wzqjnP/sjEq6vxaOwOms/i8OMEKfZM=; b=i/a/H1olMiME92uKJLHzNw2ateWq7bfzOvd01kU8TImObVxkU+El/iAjPn5tBIk3+i OGGy7honFCa4LEqD4gguLDvk9sEqsb/kfABeN3358/RkfJpxbb5E2EVMKzbWdqEpJwHF 3KW8D1XyrOtvC4KW5ADrm3UtG51uImtuEwSkjxpk6ymkwdkn84JI+4CsROdV+udMk8X5 hJUK/NFsGPJd69dN3Qzwj30WKR3vIPktzzdflY7KcGbZIiYeOhI+p8agbYWxlZCalZ6l i908S5UUXa3KUCXgNJLEJNder3q4nikN1a7rE4LlAp1C1Gup1IDz/RjaD2o1OGPSBPIe +Z5g== 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 u42-v6si18182823pgn.86.2018.09.10.11.46.50; Mon, 10 Sep 2018 11:47:06 -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 S1728838AbeIJXlo (ORCPT + 99 others); Mon, 10 Sep 2018 19:41:44 -0400 Received: from mga18.intel.com ([134.134.136.126]:56626 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726603AbeIJXlo (ORCPT ); Mon, 10 Sep 2018 19:41:44 -0400 X-Amp-Result: UNSCANNABLE X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Sep 2018 11:46:17 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.53,356,1531810800"; d="scan'208";a="88799785" Received: from fbaehren-mobl2.ger.corp.intel.com (HELO localhost) ([10.252.49.250]) by fmsmga001.fm.intel.com with ESMTP; 10 Sep 2018 11:46:08 -0700 Date: Mon, 10 Sep 2018 21:46:08 +0300 From: Jarkko Sakkinen To: Tadeusz Struk Cc: flihp@twobit.us, jgg@ziepe.ca, linux-integrity@vger.kernel.org, linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v6 2/2] tpm: add support for nonblocking operation Message-ID: <20180910184608.GE20225@linux.intel.com> References: <153659990230.2284.5511495299744743989.stgit@tstruk-mobl1.jf.intel.com> <153659991327.2284.12202285045326223123.stgit@tstruk-mobl1.jf.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <153659991327.2284.12202285045326223123.stgit@tstruk-mobl1.jf.intel.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Sep 10, 2018 at 10:18:33AM -0700, Tadeusz Struk wrote: > Currently the TPM driver only supports blocking calls, which doesn't allow > asynchronous IO operations to the TPM hardware. > This patch changes it and adds support for nonblocking write and a new poll > function to enable applications, which want to take advantage of this. > > Tested-by: Philip Tricca > Signed-off-by: Tadeusz Struk Reviewed-by: Jarkko Sakkinen /Jarkko