linux-kernel - Re: [PATCH v4 1/4] KEYS: trusted: Add generic trusted keys framework

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Date:   Thu, 14 May 2020 03:25:14 +0300
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Sumit Garg <sumit.garg@...aro.org>, zohar@...ux.ibm.com,
        jejb@...ux.ibm.com
Cc:     dhowells@...hat.com, jens.wiklander@...aro.org, corbet@....net,
        jmorris@...ei.org, serge@...lyn.com, casey@...aufler-ca.com,
        janne.karhunen@...il.com, daniel.thompson@...aro.org,
        Markus.Wamser@...ed-mode.de, keyrings@...r.kernel.org,
        linux-integrity@...r.kernel.org,
        linux-security-module@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        op-tee@...ts.trustedfirmware.org, tee-dev@...ts.linaro.org
Subject: Re: [PATCH v4 1/4] KEYS: trusted: Add generic trusted keys framework

On Wed, 2020-05-06 at 15:10 +0530, Sumit Garg wrote:
> Current trusted keys framework is tightly coupled to use TPM device as
> an underlying implementation which makes it difficult for implementations
> like Trusted Execution Environment (TEE) etc. to provide trusked keys
> support in case platform doesn't posses a TPM device.
> 
> So this patch tries to add generic trusted keys framework where underlying
> implemtations like TPM, TEE etc. could be easily plugged-in.
> 
> Suggested-by: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
> Signed-off-by: Sumit Garg <sumit.garg@...aro.org>

I tend to agree how this is implemented and could merge it as such.

I'm just thinking if we could refine this patch in a way that instead of
copying TRUSTED_DEBUG macro we could just replace pr_info() statements
with pr_debug()?

/Jarkko