From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752116AbeENK1T (ORCPT ); Mon, 14 May 2018 06:27:19 -0400 Received: from mga11.intel.com ([192.55.52.93]:38331 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751487AbeENK1R (ORCPT ); Mon, 14 May 2018 06:27:17 -0400 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.49,399,1520924400"; d="scan'208";a="228266996" Date: Mon, 14 May 2018 13:27:13 +0300 From: Jarkko Sakkinen To: Jerry Snitselaar Cc: linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org, Peter Huewe , Jason Gunthorpe Subject: Re: [PATCH] tpm_tis: verify locality released before returning from release_locality Message-ID: <20180514102713.GA8228@linux.intel.com> References: <20180505195453.10431-1-jsnitsel@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180505195453.10431-1-jsnitsel@redhat.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 List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, May 05, 2018 at 12:54:53PM -0700, Jerry Snitselaar wrote: > For certain tpm chips releasing locality can take long enough that a > subsequent call to request_locality will see the locality as being > active when the access register is read in check_locality. So check > that the locality has been released before returning from > release_locality. > > Cc: Jarkko Sakkinen > Cc: Peter Huewe > Cc: Jason Gunthorpe > Reported-by: Laurent Bigonville > Signed-off-by: Jerry Snitselaar Reviewed-by: Jarkko Sakkinen /Jarkko