Hi Varun,

There are early discussions in Linaro on what would mean setting up "Collaborative LTS" for what we call Trusted Substrate (see below signature).

I'd be happy to know more about what you see as TFA LTS: exact scope, number of versions, duration, operational commitments (zero-day...).

Do you have other firmware LTS needs?

Cheers

François-Frédéric Ozog

Linaro

Trusted Substrate is the aggregation of { TFA, OP-TEE, some TEE apps such as firmwareTPM, U-Boot }.

Trusted Substrate effort is led by Linaro members and is going to be set up as a more open project.

Our end goal is to enable unified, transactional, robust (anti-bricking, anti rollback) UEFI OTA on both U-Boot and EDK2.

On Wed, 10 Jun 2020 at 23:47, Varun Wadekar via TF-A <tf-a@lists.trustedfirmware.org> wrote:

Hello team,

To extend the discussion around version upgrades from our last call, I would like to understand if there is enough interest around generating a LTS version of the TF-A to alleviate the pain.

For NVIDIA, this would be helpful as it streamlines the upgrade path for our devices in the field. The LTS version will guarantee security fixes, bug fixes, stability fixes for the longer term and we won’t have to upgrade the entire firmware to get these goodies.

It would be interesting to see what OEMs and maintainers think about this? Has this been discussed at tf.org or Arm internally?

-Varun

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François-Frédéric Ozog | Director Linaro Edge & Fog Computing Group

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