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_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 7F648C282CB for ; Fri, 8 Feb 2019 11:14:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 584DF20863 for ; Fri, 8 Feb 2019 11:14:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727813AbfBHLOq (ORCPT ); Fri, 8 Feb 2019 06:14:46 -0500 Received: from mga17.intel.com ([192.55.52.151]:63686 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726068AbfBHLOq (ORCPT ); Fri, 8 Feb 2019 06:14:46 -0500 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 08 Feb 2019 03:14:45 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,347,1544515200"; d="scan'208";a="145212033" Received: from jsakkine-mobl1.tm.intel.com (HELO localhost) ([10.237.50.115]) by fmsmga001.fm.intel.com with ESMTP; 08 Feb 2019 03:14:42 -0800 Date: Fri, 8 Feb 2019 13:14:42 +0200 From: Jarkko Sakkinen To: Stefan Berger Cc: Alexander Steffen , linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, Peter Huewe , Jason Gunthorpe , Tomas Winkler , Tadeusz Struk , Stefan Berger , Nayna Jain Subject: Re: [PATCH v11 00/16] Remove nested TPM operations Message-ID: <20190208111442.GA11755@linux.intel.com> References: <20190205224723.19671-1-jarkko.sakkinen@linux.intel.com> <20190206120634.GA4680@linux.intel.com> <3d6fdcc1-8221-2137-fc82-596377cc2fdc@infineon.com> <20190207212912.GD23906@linux.intel.com> <0af40351-91d5-d0a7-2965-0a9c6505af79@linux.ibm.com> <20190208003314.GB7202@linux.intel.com> <1fbd29ad-1005-8450-4c39-00974468183b@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1fbd29ad-1005-8450-4c39-00974468183b@linux.ibm.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo User-Agent: Mutt/1.10.1 (2018-07-13) Sender: owner-linux-security-module@vger.kernel.org Precedence: bulk List-ID: On Thu, Feb 07, 2019 at 08:51:15PM -0500, Stefan Berger wrote: > > > +    rc = 0; > > >      if (chip->flags & TPM_CHIP_FLAG_IRQ) > > >          goto out_recv; > > What why? > > > This fix seems to only be necessary when bisecting. You may want to apply > it! I don't want to apply it because I don't understand why it would be needed. Can you give a short explanation? /Jarkko