From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jarkko Sakkinen Subject: Re: [tpmdd-devel] [PATCH] tpm, tpm_crb: remove redundant CRB_FL_CRB_START flag Date: Fri, 21 Oct 2016 18:11:41 +0300 Message-ID: <20161021151141.oyxtjkfgn26nznty@intel.com> References: <20161017204224.27163-1-jarkko.sakkinen@linux.intel.com> <20161017225113.qnghq5vroxlmsurc@intel.com> <5B8DA87D05A7694D9FA63FD143655C1B542FF8FC@hasmsx108.ger.corp.intel.com> <20161019160928.n5fswy25t2ppdh73@intel.com> <20161020135906.ah4rjympz3wq6g3t@intel.com> <20161020140011.s5mu3atjjwnwqda4@intel.com> <20161020202421.GA13459@obsidianresearch.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20161020202421.GA13459@obsidianresearch.com> Sender: linux-kernel-owner@vger.kernel.org To: Jason Gunthorpe Cc: "Winkler, Tomas" , "tpmdd-devel@lists.sourceforge.net" , open list List-Id: tpmdd-devel@lists.sourceforge.net On Thu, Oct 20, 2016 at 02:24:21PM -0600, Jason Gunthorpe wrote: > On Thu, Oct 20, 2016 at 05:00:11PM +0300, Jarkko Sakkinen wrote: > > > > > I have a 4th Gen Core NUC where I experienced this issue. It reported > > > > requiring only ACPI start but actually required ACPI + CRB start. The > > > > comment could have been better. > > Shouldn't bios work arounds be keyed on something? What happens if a > system rolls around that cannot do ACPI + CRB start? How does this > system work in windows? I didn't find anything better to key it on at the time and it has been working for two years now without any problems. /Jarkko