linux-kernel - Re: [PATCH v13 5/7] tpm: tpm_tis: verify TPM_STS register is valid after locality request

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Message-ID: <a87af58e77bee938c85f9edef8a2fcdf1266256e.camel@kernel.org>
Date:   Thu, 26 Aug 2021 19:03:11 +0300
From:   Jarkko Sakkinen <jarkko@...nel.org>
To:     amirmizi6@...il.com, Eyal.Cohen@...oton.com,
        jarkko.sakkinen@...ux.intel.com, oshrialkoby85@...il.com,
        alexander.steffen@...ineon.com, robh+dt@...nel.org,
        mark.rutland@....com, peterhuewe@....de, jgg@...pe.ca,
        arnd@...db.de, gregkh@...uxfoundation.org, benoit.houyere@...com,
        eajames@...ux.ibm.com, joel@....id.au
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-integrity@...r.kernel.org, oshri.alkoby@...oton.com,
        tmaimon77@...il.com, gcwilson@...ibm.com, kgoldman@...ibm.com,
        Dan.Morav@...oton.com, oren.tanami@...oton.com,
        shmulik.hager@...oton.com, amir.mizinski@...oton.com
Subject: Re: [PATCH v13 5/7] tpm: tpm_tis: verify TPM_STS register is valid
 after  locality request

On Thu, 2021-08-26 at 14:19 +0300, amirmizi6@...il.com wrote:
> From: Amir Mizinski <amirmizi6@...il.com>
> 
> Issue could result when the TPM does not update TPM_STS register after
> a locality request (TPM_STS Initial value = 0xFF) and a TPM_STS register
> read occurs (tpm_tis_status(chip)).

What does it mean when "issue results"?

I don't understand that part.

/Jarkko