linux-kernel - Re: [tpmdd-devel] [PATCH] tpm, tpm_crb: remove redundant CRB_FL_CRB

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Message-ID: <20161020202421.GA13459@obsidianresearch.com>
Date:   Thu, 20 Oct 2016 14:24:21 -0600
From:   Jason Gunthorpe <jgunthorpe@...idianresearch.com>
To:     Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
Cc:     "Winkler, Tomas" <tomas.winkler@...el.com>,
        "tpmdd-devel@...ts.sourceforge.net" 
        <tpmdd-devel@...ts.sourceforge.net>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [tpmdd-devel] [PATCH] tpm, tpm_crb: remove redundant
 CRB_FL_CRB_START flag

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?

Jason