linux-kernel - Re: [PATCH v2] tpm: add longer timeouts for creation commands.

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Message-ID: <20180206200650.ozcwsv3uks6eyah3@linux.intel.com>
Date:   Tue, 6 Feb 2018 22:06:50 +0200
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Tomas Winkler <tomas.winkler@...el.com>
Cc:     Jason Gunthorpe <jgg@...pe.ca>,
        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 v2] tpm: add longer timeouts for creation commands.

On Sun, Jan 28, 2018 at 10:17:39AM +0200, Tomas Winkler wrote:
> TPM2_CC_Create(0x153) and TPM2_CC_CreatePrimary (0x131) involve generation
> of crypto keys which can be a computationally intensive task.
> The timeout is set to 3min.
> 
> Signed-off-by: Tomas Winkler <tomas.winkler@...el.com>

This is still NAK because we need some kind of reference for the new
value. Is that also right value for ARM64/TrustZone based TPMs?

/Jarkko