linux-kernel - Re: [PATCH v5 1/4] KEYS: trusted: Add generic trusted keys framework

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Message-ID: <20200617231429.GD62794@linux.intel.com>
Date:   Thu, 18 Jun 2020 02:14:29 +0300
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Sumit Garg <sumit.garg@...aro.org>
Cc:     Mimi Zohar <zohar@...ux.ibm.com>,
        James Bottomley <jejb@...ux.ibm.com>,
        David Howells <dhowells@...hat.com>,
        Jens Wiklander <jens.wiklander@...aro.org>,
        Jonathan Corbet <corbet@....net>,
        James Morris <jmorris@...ei.org>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        Casey Schaufler <casey@...aufler-ca.com>,
        Janne Karhunen <janne.karhunen@...il.com>,
        Daniel Thompson <daniel.thompson@...aro.org>,
        Markus Wamser <Markus.Wamser@...ed-mode.de>,
        "open list:ASYMMETRIC KEYS" <keyrings@...r.kernel.org>,
        linux-integrity@...r.kernel.org,
        linux-security-module@...r.kernel.org,
        Linux Doc Mailing List <linux-doc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        op-tee@...ts.trustedfirmware.org,
        "tee-dev @ lists . linaro . org" <tee-dev@...ts.linaro.org>,
        Luke Hinds <lhinds@...hat.com>
Subject: Re: [PATCH v5 1/4] KEYS: trusted: Add generic trusted keys framework

On Tue, Jun 16, 2020 at 07:02:37PM +0530, Sumit Garg wrote:
> + Luke
> 
> Hi Jarkko,
> 
> Prior to addressing your comments below which seems to show your
> preference for compile time selection of trust source (TPM or TEE), I
> would just like to hear the reasons for this preference especially if
> it makes distro vendor's life difficult [1] to make opinionated
> selection which could rather be achieved dynamically based on platform
> capability.
> 
> [1] https://lkml.org/lkml/2020/6/3/405
> 
> -Sumit

Hmm... I do get the distribution kernel point. OK, lets revert to
dynamic then. Thanks for the remark.

/Jarkko