linux-kernel - Re: [PATCH 0/5 V2] tpm: timeouts revamp

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Message-ID: <031568ca-8999-478d-8c53-8b206f312e90@redhat.com>
Date:   Tue, 6 Mar 2018 13:39:49 +0100
From:   Javier Martinez Canillas <javierm@...hat.com>
To:     Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
        Tomas Winkler <tomas.winkler@...el.com>,
        Jason Gunthorpe <jgg@...pe.ca>
Cc:     Alexander Usyskin <alexander.usyskin@...el.com>,
        linux-integrity@...r.kernel.org,
        linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/5 V2] tpm: timeouts revamp

On 03/06/2018 01:17 PM, Jarkko Sakkinen wrote:
> On Tue, 2018-03-06 at 11:24 +0200, Tomas Winkler wrote:
>> This series cleans up tpm timeouts setting and handling.
>>
>> First motivation was to fix failures coming from too short timeouts
>> for commands that creates keys.
>> Key generation may take significant time depending on the underlying
>> hardware. Rather than increasing default timeout a new constant is
>> added, to not stall too long on regular commands failures.
>>
>> Second is to define timeouts for new tpm2 commands
>> defined in TCG 1.36 spec.
>

Probably a typo, since the latest TCG spec version is the 1.38 [0].
 
> Where can we get that specification? I don't have that new
> version and couldn't find it from the public internet.
> 
> /Jarkko
> 

[0]: https://trustedcomputinggroup.org/tpm-library-specification/

Best regards,
-- 
Javier Martinez Canillas
Software Engineer - Desktop Hardware Enablement
Red Hat