Rebooting LTS discussion

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Question about FVP's dts

Okash Khawaja

21 Apr 2022 21 Apr '22

6:26 p.m.

Hi,

There have been discussions about having long term support releases for TF-A, e.g. the email thread [1] and a tech forum [2]. For partners releasing TF-A in their production devices, LTS is very much needed. From the previous discussions, it seems like there is an agreement that LTS is a good idea but we need to build consensus on how to support it. Any thoughts on this?

Thanks, Okash

[1] https://lists.trustedfirmware.org/archives/search?mlist=tf-a%40lists.trusted... [2] https://www.trustedfirmware.org/docs/TF-A-LTS.pdf

Show replies by date

Matteo Carlini

17 May 17 May

3:38 p.m.

Hi Okash,

Thanks for rebooting the conversation.

Out of the brainstorming from 1.5 yrs ago, we had this page published with an initial RFC proposal for LTSs: https://developer.trustedfirmware.org/w/tf_a/lts_proposal/

Worth mentioning that, in the meanwhile, the TF-M project has introduced the concept of Hotfix releases (which is a very lightweight process for backporting critical bug fix/security fixes only to the last available tagged release): https://tf-m-user-guide.trustedfirmware.org/docs/releases/release_process.ht...

I'm curious to hear others' opinion and interest (@Varun, @Raghu ?) to possibly revive this topic in either in a Tech Forum or at a project TSC/Board level.

Thanks Matteo

Varun Wadekar

31 May 31 May

3:22 p.m.

Hi Matteo/Okash,

Thanks for re-starting the discussion. We (NVIDIA) are still interested in the idea and would like to discuss the next steps. I like the idea of a hotfix release, although would propose back-porting fixes to more tags.

A targeted tech forum or another mechanism works for me. I would like to discuss the scope of the activity and the engagement model.

-Varun

-----Original Message----- From: Matteo Carlini Matteo.Carlini@arm.com Sent: Tuesday, 17 May 2022 3:39 PM To: Okash Khawaja okash@google.com; tf-a@lists.trustedfirmware.org Cc: Varun Wadekar vwadekar@nvidia.com; raghu.ncstate@icloud.com Subject: RE: [TF-A] Rebooting LTS discussion

External email: Use caution opening links or attachments

Hi Okash,

Thanks for rebooting the conversation.

Out of the brainstorming from 1.5 yrs ago, we had this page published with an initial RFC proposal for LTSs: https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdeveloper....

I'm curious to hear others' opinion and interest (@Varun, @Raghu ?) to possibly revive this topic in either in a Tech Forum or at a project TSC/Board level.

Thanks Matteo

Joanna Farley

6 Jun 6 Jun

12:12 p.m.

Varun, Okash, I believe the two of you have some interest in the LTS topic. Would the two of you be willing to jointly prepare and present a TF-A Tech forum session? The next available session is Thursday 16th June at 4pm BST.

I’m sure there are many definitions of what a LTS release branch is in terms of purpose, content, duration etc. I would expect many platform providers are doing this downstream today and I could imagine there may be variations. Some degree of consensus on how this is managed and resourced would be needed I believe between multiple platform providers who would want to consume this.

It would be good to see issues raised for discussion.

I’m happy to host if the two of you and any other platform providers interested can prepare a TF-A session to present to the broader TF-A community.

Thanks

Joanna

From: Varun Wadekar via TF-A tf-a@lists.trustedfirmware.org Date: Tuesday, 31 May 2022 at 15:23 To: Matteo Carlini Matteo.Carlini@arm.com, Okash Khawaja okash@google.com, tf-a@lists.trustedfirmware.org tf-a@lists.trustedfirmware.org Subject: [TF-A] Re: Rebooting LTS discussion Hi Matteo/Okash,

A targeted tech forum or another mechanism works for me. I would like to discuss the scope of the activity and the engagement model.

-Varun

External email: Use caution opening links or attachments

Hi Okash,

Thanks for rebooting the conversation.

Out of the brainstorming from 1.5 yrs ago, we had this page published with an initial RFC proposal for LTSs: https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdeveloper....

I'm curious to hear others' opinion and interest (@Varun, @Raghu ?) to possibly revive this topic in either in a Tech Forum or at a project TSC/Board level.

Thanks Matteo

-- TF-A mailing list -- tf-a@lists.trustedfirmware.org To unsubscribe send an email to tf-a-leave@lists.trustedfirmware.org

Okash Khawaja

1:33 p.m.

Hi Joanna and Varun,

Sounds good to me. I will be out of country during next week. After that should be fine.

Thanks, Okash

On Mon, Jun 6, 2022 at 12:13 PM Joanna Farley Joanna.Farley@arm.com wrote:

...

Varun, Okash, I believe the two of you have some interest in the LTS topic. Would the two of you be willing to jointly prepare and present a TF-A Tech forum session? The next available session is Thursday 16th June at 4pm BST.

I’m sure there are many definitions of what a LTS release branch is in terms of purpose, content, duration etc. I would expect many platform providers are doing this downstream today and I could imagine there may be variations. Some degree of consensus on how this is managed and resourced would be needed I believe between multiple platform providers who would want to consume this.

It would be good to see issues raised for discussion.

I’m happy to host if the two of you *and any other platform providers interested* can prepare a TF-A session to present to the broader TF-A community.

Thanks

Joanna

*From: *Varun Wadekar via TF-A tf-a@lists.trustedfirmware.org *Date: *Tuesday, 31 May 2022 at 15:23 *To: *Matteo Carlini Matteo.Carlini@arm.com, Okash Khawaja < okash@google.com>, tf-a@lists.trustedfirmware.org < tf-a@lists.trustedfirmware.org> *Subject: *[TF-A] Re: Rebooting LTS discussion

Hi Matteo/Okash,

Thanks for re-starting the discussion. We (NVIDIA) are still interested in the idea and would like to discuss the next steps. I like the idea of a hotfix release, although would propose back-porting fixes to more tags.

A targeted tech forum or another mechanism works for me. I would like to discuss the scope of the activity and the engagement model.

-Varun

-----Original Message----- From: Matteo Carlini Matteo.Carlini@arm.com Sent: Tuesday, 17 May 2022 3:39 PM To: Okash Khawaja okash@google.com; tf-a@lists.trustedfirmware.org Cc: Varun Wadekar vwadekar@nvidia.com; raghu.ncstate@icloud.com Subject: RE: [TF-A] Rebooting LTS discussion

External email: Use caution opening links or attachments

Hi Okash,

Thanks for rebooting the conversation.

Out of the brainstorming from 1.5 yrs ago, we had this page published with an initial RFC proposal for LTSs:

https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdeveloper....

Worth mentioning that, in the meanwhile, the TF-M project has introduced the concept of Hotfix releases (which is a very lightweight process for backporting critical bug fix/security fixes only to the last available tagged release):

https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftf-m-user-...

I'm curious to hear others' opinion and interest (@Varun, @Raghu ?) to possibly revive this topic in either in a Tech Forum or at a project TSC/Board level.

Thanks Matteo

-- TF-A mailing list -- tf-a@lists.trustedfirmware.org To unsubscribe send an email to tf-a-leave@lists.trustedfirmware.org

Joanna Farley

1:47 p.m.

Hi Okash,

The next session after next week is Thursday 30th June at 4pm BST. This is also available with nothing currently scheduled.

Joanna

From: Okash Khawaja okash@google.com Date: Monday, 6 June 2022 at 13:34 To: Joanna Farley Joanna.Farley@arm.com Cc: Varun Wadekar vwadekar@nvidia.com, Matteo Carlini Matteo.Carlini@arm.com, tf-a@lists.trustedfirmware.org tf-a@lists.trustedfirmware.org Subject: Re: [TF-A] Re: Rebooting LTS discussion Hi Joanna and Varun,

Sounds good to me. I will be out of country during next week. After that should be fine.

Thanks, Okash

On Mon, Jun 6, 2022 at 12:13 PM Joanna Farley <Joanna.Farley@arm.commailto:Joanna.Farley@arm.com> wrote: Varun, Okash, I believe the two of you have some interest in the LTS topic. Would the two of you be willing to jointly prepare and present a TF-A Tech forum session? The next available session is Thursday 16th June at 4pm BST.

It would be good to see issues raised for discussion.

I’m happy to host if the two of you and any other platform providers interested can prepare a TF-A session to present to the broader TF-A community.

Thanks

Joanna

From: Varun Wadekar via TF-A <tf-a@lists.trustedfirmware.orgmailto:tf-a@lists.trustedfirmware.org> Date: Tuesday, 31 May 2022 at 15:23 To: Matteo Carlini <Matteo.Carlini@arm.commailto:Matteo.Carlini@arm.com>, Okash Khawaja <okash@google.commailto:okash@google.com>, tf-a@lists.trustedfirmware.orgmailto:tf-a@lists.trustedfirmware.org <tf-a@lists.trustedfirmware.orgmailto:tf-a@lists.trustedfirmware.org> Subject: [TF-A] Re: Rebooting LTS discussion Hi Matteo/Okash,

A targeted tech forum or another mechanism works for me. I would like to discuss the scope of the activity and the engagement model.

-Varun

-----Original Message----- From: Matteo Carlini <Matteo.Carlini@arm.commailto:Matteo.Carlini@arm.com> Sent: Tuesday, 17 May 2022 3:39 PM To: Okash Khawaja <okash@google.commailto:okash@google.com>; tf-a@lists.trustedfirmware.orgmailto:tf-a@lists.trustedfirmware.org Cc: Varun Wadekar <vwadekar@nvidia.commailto:vwadekar@nvidia.com>; raghu.ncstate@icloud.commailto:raghu.ncstate@icloud.com Subject: RE: [TF-A] Rebooting LTS discussion

External email: Use caution opening links or attachments

Hi Okash,

Thanks for rebooting the conversation.

Out of the brainstorming from 1.5 yrs ago, we had this page published with an initial RFC proposal for LTSs: https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdeveloper....

I'm curious to hear others' opinion and interest (@Varun, @Raghu ?) to possibly revive this topic in either in a Tech Forum or at a project TSC/Board level.

Thanks Matteo

-- TF-A mailing list -- tf-a@lists.trustedfirmware.orgmailto:tf-a@lists.trustedfirmware.org To unsubscribe send an email to tf-a-leave@lists.trustedfirmware.orgmailto:tf-a-leave@lists.trustedfirmware.org

Joanna Farley

21 Jun 21 Jun

5:06 p.m.

Okash, Varun,

Any thoughts when you want to do a LTS TechForum session. 30th June is now taken and the next scheduled one after that is 14th July. We could try and do a special one on 7th July if that’s better.

I’m reliant on you guys to jointly prepare and present a LTS TF-A Tech forum session

Joanna

From: Joanna Farley via TF-A tf-a@lists.trustedfirmware.org Date: Monday, 6 June 2022 at 13:47 To: Okash Khawaja okash@google.com Cc: Matteo Carlini Matteo.Carlini@arm.com, tf-a@lists.trustedfirmware.org tf-a@lists.trustedfirmware.org Subject: [TF-A] Re: Rebooting LTS discussion Hi Okash,

The next session after next week is Thursday 30th June at 4pm BST. This is also available with nothing currently scheduled.

Joanna

Sounds good to me. I will be out of country during next week. After that should be fine.

Thanks, Okash

It would be good to see issues raised for discussion.

I’m happy to host if the two of you and any other platform providers interested can prepare a TF-A session to present to the broader TF-A community.

Thanks

Joanna

A targeted tech forum or another mechanism works for me. I would like to discuss the scope of the activity and the engagement model.

-Varun

External email: Use caution opening links or attachments

Hi Okash,

Thanks for rebooting the conversation.

Out of the brainstorming from 1.5 yrs ago, we had this page published with an initial RFC proposal for LTSs: https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdeveloper....

I'm curious to hear others' opinion and interest (@Varun, @Raghu ?) to possibly revive this topic in either in a Tech Forum or at a project TSC/Board level.

Thanks Matteo

Varun Wadekar

5:24 p.m.

Hi Joanna,

Thanks for the update. Okash and I would be ready by July 14. We will prepare the slides for the session.

-Varun

From: Joanna Farley Joanna.Farley@arm.com Sent: Tuesday, 21 June 2022 5:07 PM To: Okash Khawaja okash@google.com; Varun Wadekar vwadekar@nvidia.com Cc: Matteo Carlini Matteo.Carlini@arm.com; tf-a@lists.trustedfirmware.org Subject: Re: [TF-A] Re: Rebooting LTS discussion

External email: Use caution opening links or attachments

Okash, Varun,

Any thoughts when you want to do a LTS TechForum session. 30th June is now taken and the next scheduled one after that is 14th July. We could try and do a special one on 7th July if that's better.

I'm reliant on you guys to jointly prepare and present a LTS TF-A Tech forum session

Joanna

From: Joanna Farley via TF-A <tf-a@lists.trustedfirmware.orgmailto:tf-a@lists.trustedfirmware.org> Date: Monday, 6 June 2022 at 13:47 To: Okash Khawaja <okash@google.commailto:okash@google.com> Cc: Matteo Carlini <Matteo.Carlini@arm.commailto:Matteo.Carlini@arm.com>, tf-a@lists.trustedfirmware.orgmailto:tf-a@lists.trustedfirmware.org <tf-a@lists.trustedfirmware.orgmailto:tf-a@lists.trustedfirmware.org> Subject: [TF-A] Re: Rebooting LTS discussion Hi Okash,

The next session after next week is Thursday 30th June at 4pm BST. This is also available with nothing currently scheduled.

Joanna

From: Okash Khawaja <okash@google.commailto:okash@google.com> Date: Monday, 6 June 2022 at 13:34 To: Joanna Farley <Joanna.Farley@arm.commailto:Joanna.Farley@arm.com> Cc: Varun Wadekar <vwadekar@nvidia.commailto:vwadekar@nvidia.com>, Matteo Carlini <Matteo.Carlini@arm.commailto:Matteo.Carlini@arm.com>, tf-a@lists.trustedfirmware.orgmailto:tf-a@lists.trustedfirmware.org <tf-a@lists.trustedfirmware.orgmailto:tf-a@lists.trustedfirmware.org> Subject: Re: [TF-A] Re: Rebooting LTS discussion Hi Joanna and Varun,

Sounds good to me. I will be out of country during next week. After that should be fine.

Thanks, Okash

I'm sure there are many definitions of what a LTS release branch is in terms of purpose, content, duration etc. I would expect many platform providers are doing this downstream today and I could imagine there may be variations. Some degree of consensus on how this is managed and resourced would be needed I believe between multiple platform providers who would want to consume this.

It would be good to see issues raised for discussion.

I'm happy to host if the two of you and any other platform providers interested can prepare a TF-A session to present to the broader TF-A community.

Thanks

Joanna

A targeted tech forum or another mechanism works for me. I would like to discuss the scope of the activity and the engagement model.

-Varun

External email: Use caution opening links or attachments

Hi Okash,

Thanks for rebooting the conversation.

Out of the brainstorming from 1.5 yrs ago, we had this page published with an initial RFC proposal for LTSs: https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdeveloper....https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdeveloper.trustedfirmware.org%2Fw%2Ftf_a%2Flts_proposal%2F&data=05%7C01%7Cvwadekar%40nvidia.com%7C5a2d419efdba4c689c5408da53a00c5c%7C43083d15727340c1b7db39efd9ccc17a%7C0%7C0%7C637914244120727348%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=ApgqTJ5DU4VIxDEuCeI3IcYT5dK9y9a8gCS4RjV7nsw%3D&reserved=0

Worth mentioning that, in the meanwhile, the TF-M project has introduced the concept of Hotfix releases (which is a very lightweight process for backporting critical bug fix/security fixes only to the last available tagged release): https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftf-m-user-...https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftf-m-user-guide.trustedfirmware.org%2Fdocs%2Freleases%2Frelease_process.html&data=05%7C01%7Cvwadekar%40nvidia.com%7C5a2d419efdba4c689c5408da53a00c5c%7C43083d15727340c1b7db39efd9ccc17a%7C0%7C0%7C637914244120727348%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=oM11MHxtyp6PEjW5E4pE46Frvyr0cwtGe8fG2qUrzjM%3D&reserved=0

I'm curious to hear others' opinion and interest (@Varun, @Raghu ?) to possibly revive this topic in either in a Tech Forum or at a project TSC/Board level.

Thanks Matteo

Joanna Farley

6:11 p.m.

Thanks Varun and Okash. I’ll update Jul 14th invite and add LTS as the discussion area.

From: Varun Wadekar vwadekar@nvidia.com Date: Tuesday, 21 June 2022 at 17:24 To: Joanna Farley Joanna.Farley@arm.com, Okash Khawaja okash@google.com Cc: Matteo Carlini Matteo.Carlini@arm.com, tf-a@lists.trustedfirmware.org tf-a@lists.trustedfirmware.org Subject: RE: [TF-A] Re: Rebooting LTS discussion Hi Joanna,

Thanks for the update. Okash and I would be ready by July 14. We will prepare the slides for the session.

-Varun

External email: Use caution opening links or attachments

Okash, Varun,

Any thoughts when you want to do a LTS TechForum session. 30th June is now taken and the next scheduled one after that is 14th July. We could try and do a special one on 7th July if that’s better.

I’m reliant on you guys to jointly prepare and present a LTS TF-A Tech forum session

Joanna

The next session after next week is Thursday 30th June at 4pm BST. This is also available with nothing currently scheduled.

Joanna

Sounds good to me. I will be out of country during next week. After that should be fine.

Thanks, Okash

It would be good to see issues raised for discussion.

I’m happy to host if the two of you and any other platform providers interested can prepare a TF-A session to present to the broader TF-A community.

Thanks

Joanna

A targeted tech forum or another mechanism works for me. I would like to discuss the scope of the activity and the engagement model.

-Varun

External email: Use caution opening links or attachments

Hi Okash,

Thanks for rebooting the conversation.

Worth mentioning that, in the meanwhile, the TF-M project has introduced the concept of Hotfix releases (which is a very lightweight process for backporting critical bug fix/security fixes only to the last available tagged release): https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftf-m-user-...https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftf-m-user-guide.trustedfirmware.org%2Fdocs%2Freleases%2Frelease_process.html&data=05%7C01%7Cvwadekar%40nvidia.com%7C5a2d419efdba4c689c5408da53a00c5c%7C43083d15727340c1b7db39efd9ccc17a%7C0%7C0%7C637914244120727348%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=oM11MHxtyp6PEjW5E4pE46Frvyr0cwtGe8fG2qUrzjM%3D&reserved=0

I'm curious to hear others' opinion and interest (@Varun, @Raghu ?) to possibly revive this topic in either in a Tech Forum or at a project TSC/Board level.

Thanks Matteo

Joanna Farley

22 Jun 22 Jun

3:04 p.m.

Hi Everyone,

I learnt today that our peer project (TF-M) are having a similar LTS discussion and have their own LTS Tech forum session tomorrow.

Its an 8am BST(GMT+1) meeting start but I’m told the LTS discussion is mid agenda so expect the discussion on that to start around 8:30am. I’m told it’s an information gathering session rather than a proposal session.

Anyway the Zoom id of the call is below. These are recorded like TF-A sessions and will be uploaded to their Techforum page.

Joanna

This is an open forum for anyone to participate and it is not restricted to Trusted Firmware project members. It will operate under the guidance of the TF TSC.

Feel free to forward it to colleagues.

Details of previous meetings are here: https://www.trustedfirmware.org/meetings/tf-m-technical-forum/https://www.google.com/url?q=https%3A%2F%2Fwww.trustedfirmware.org%2Fmeetings%2Ftf-m-technical-forum%2F&sa=D&ust=1623799931793000&usg=AOvVaw2bTOykSaZbdsYs7MxUKBuC

Join Zoom Meeting https://linaro-org.zoom.us/j/92535794925?pwd=TTl0cmo4R2hTNm8wcHo1M3ZKdjlnUT0...https://www.google.com/url?q=https%3A%2F%2Flinaro-org.zoom.us%2Fj%2F92535794925%3Fpwd%3DTTl0cmo4R2hTNm8wcHo1M3ZKdjlnUT09&sa=D&ust=1623799931793000&usg=AOvVaw0W5EcbxypK-e29nFQNhCYW

Meeting ID: 925 3579 4925 Passcode: 414410 One tap mobile +12532158782,,92535794925# US (Tacoma) +13462487799,,92535794925# US (Houston)

From: Joanna Farley Joanna.Farley@arm.com Date: Tuesday, 21 June 2022 at 18:11 To: Varun Wadekar vwadekar@nvidia.com, Okash Khawaja okash@google.com Cc: Matteo Carlini Matteo.Carlini@arm.com, tf-a@lists.trustedfirmware.org tf-a@lists.trustedfirmware.org Subject: Re: [TF-A] Re: Rebooting LTS discussion Thanks Varun and Okash. I’ll update Jul 14th invite and add LTS as the discussion area.

Thanks for the update. Okash and I would be ready by July 14. We will prepare the slides for the session.

-Varun

External email: Use caution opening links or attachments

Okash, Varun,

Any thoughts when you want to do a LTS TechForum session. 30th June is now taken and the next scheduled one after that is 14th July. We could try and do a special one on 7th July if that’s better.

I’m reliant on you guys to jointly prepare and present a LTS TF-A Tech forum session

Joanna

The next session after next week is Thursday 30th June at 4pm BST. This is also available with nothing currently scheduled.

Joanna

Sounds good to me. I will be out of country during next week. After that should be fine.

Thanks, Okash

It would be good to see issues raised for discussion.

I’m happy to host if the two of you and any other platform providers interested can prepare a TF-A session to present to the broader TF-A community.

Thanks

Joanna

A targeted tech forum or another mechanism works for me. I would like to discuss the scope of the activity and the engagement model.

-Varun

External email: Use caution opening links or attachments

Hi Okash,

Thanks for rebooting the conversation.

Worth mentioning that, in the meanwhile, the TF-M project has introduced the concept of Hotfix releases (which is a very lightweight process for backporting critical bug fix/security fixes only to the last available tagged release): https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftf-m-user-...https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftf-m-user-guide.trustedfirmware.org%2Fdocs%2Freleases%2Frelease_process.html&data=05%7C01%7Cvwadekar%40nvidia.com%7C5a2d419efdba4c689c5408da53a00c5c%7C43083d15727340c1b7db39efd9ccc17a%7C0%7C0%7C637914244120727348%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=oM11MHxtyp6PEjW5E4pE46Frvyr0cwtGe8fG2qUrzjM%3D&reserved=0

I'm curious to hear others' opinion and interest (@Varun, @Raghu ?) to possibly revive this topic in either in a Tech Forum or at a project TSC/Board level.

Thanks Matteo

Varun Wadekar

15 Jul 15 Jul

10:42 a.m.

Hi Everyone,

We presented a proposal at the Tech Forum yesterday to take the LTS idea forward. The recording link and password are provided below.

This effort is important for the project, and we don't want to rush into something that is not useful. With holidays and other engagements, we want to provide more time to digest the information and provide feedback. We will schedule another Tech forum discussion in September to hear feedback/concerns/questions.

See you soon!

-Varun

Recording: https://linaro-org.zoom.us/rec/share/wYFz4jQvpLZntYSamyjc5-n_bGNcx_RFm-amEdx... Passcode: NUx82^W=

From: Joanna Farley Joanna.Farley@arm.com Sent: Wednesday, 22 June 2022 3:05 PM To: Varun Wadekar vwadekar@nvidia.com; Okash Khawaja okash@google.com Cc: Matteo Carlini Matteo.Carlini@arm.com; tf-a@lists.trustedfirmware.org Subject: Re: [TF-A] Re: Rebooting LTS discussion

External email: Use caution opening links or attachments

Hi Everyone,

I learnt today that our peer project (TF-M) are having a similar LTS discussion and have their own LTS Tech forum session tomorrow.

Its an 8am BST(GMT+1) meeting start but I'm told the LTS discussion is mid agenda so expect the discussion on that to start around 8:30am. I'm told it's an information gathering session rather than a proposal session.

Anyway the Zoom id of the call is below. These are recorded like TF-A sessions and will be uploaded to their Techforum page.

Joanna

This event has been changed with this note: "Extending end date" TF-M Tech forum When Changed: Every 4 weeks from 12am to 1am on Thursday Mountain Standard Time - Phoenix Where https://linaro-org.zoom.us/j/92535794925?pwd=TTl0cmo4R2hTNm8wcHo1M3ZKdjlnUT0...https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flinaro-org.zoom.us%2Fj%2F92535794925%3Fpwd%3DTTl0cmo4R2hTNm8wcHo1M3ZKdjlnUT09&data=05%7C01%7Cvwadekar%40nvidia.com%7Ce5d40cabf1974339d87408da54582f7a%7C43083d15727340c1b7db39efd9ccc17a%7C0%7C0%7C637915035963771118%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=uJB3LOG%2BIjZXYmergJavyjgrc%2F5h%2FRTmN5yvds1LVVI%3D&reserved=0 (maphttps://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.google.com%2Furl%3Fq%3Dhttps%253A%252F%252Flinaro-org.zoom.us%252Fj%252F92535794925%253Fpwd%253DTTl0cmo4R2hTNm8wcHo1M3ZKdjlnUT09%26sa%3DD%26ust%3D1623799931794000%26usg%3DAOvVaw1NymJm42AccUYF3SXsAvvQ&data=05%7C01%7Cvwadekar%40nvidia.com%7Ce5d40cabf1974339d87408da54582f7a%7C43083d15727340c1b7db39efd9ccc17a%7C0%7C0%7C637915035963771118%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=4sANNHS7cPp3G%2B7bbkY5IlpzK348E4Vo1c0kLtPwtnE%3D&reserved=0) Calendar anton.komlev@arm.commailto:anton.komlev@arm.com Who * Don Harbin - creator * tf-m@lists.trustedfirmware.orgmailto:tf-m@lists.trustedfirmware.org * anton.komlev@arm.commailto:anton.komlev@arm.com * leonardo.sandoval@linaro.orgmailto:leonardo.sandoval@linaro.org * abdelmalek.omar1@gmail.commailto:abdelmalek.omar1@gmail.com more details >https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fcalendar.google.com%2Fcalendar%2Fevent%3Faction%3DVIEW%26eid%3DaDM1OHZtbG0wa2diNTlrcmZkbHJtdmk3NWEgYW50b24ua29tbGV2QGFybS5jb20%26tok%3DNjMjbGluYXJvLm9yZ19oYXZqdjJmaWdyaDVlZ2FpdXJiMjI5cGQ4Y0Bncm91cC5jYWxlbmRhci5nb29nbGUuY29tMTViNTA4NjUyOWNkMGIzM2NjNWQwYzgzOWM2OTlkY2M1NmVkZjI5OQ%26ctz%3DAmerica%252FPhoenix%26hl%3Den%26es%3D0&data=05%7C01%7Cvwadekar%40nvidia.com%7Ce5d40cabf1974339d87408da54582f7a%7C43083d15727340c1b7db39efd9ccc17a%7C0%7C0%7C637915035963771118%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=eslu5cqYHaRHT02rUm3DW8U2ungM4c4dKt0EdTw%2BbmQ%3D&reserved=0 About TF-M Tech forum:

This is an open forum for anyone to participate and it is not restricted to Trusted Firmware project members. It will operate under the guidance of the TF TSC.

Feel free to forward it to colleagues.

Details of previous meetings are here: https://www.trustedfirmware.org/meetings/tf-m-technical-forum/https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.google.com%2Furl%3Fq%3Dhttps%253A%252F%252Fwww.trustedfirmware.org%252Fmeetings%252Ftf-m-technical-forum%252F%26sa%3DD%26ust%3D1623799931793000%26usg%3DAOvVaw2bTOykSaZbdsYs7MxUKBuC&data=05%7C01%7Cvwadekar%40nvidia.com%7Ce5d40cabf1974339d87408da54582f7a%7C43083d15727340c1b7db39efd9ccc17a%7C0%7C0%7C637915035963771118%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=GJ5woAnGoG%2FtFEql%2BLRtSucIylPX3OtctIUrQQ3fMwY%3D&reserved=0

====Zoom==== Topic: TF-M Tech forum - Asia Time Zone Friendly Time: Nov 12, 2020 07:00 AM Greenwich Mean Time Every 4 weeks on Thu, until Mar 4, 2021, 5 occurrence(s) Nov 12, 2020 07:00 AM Dec 10, 2020 07:00 AM Jan 7, 2021 07:00 AM Feb 4, 2021 07:00 AM Mar 4, 2021 07:00 AM Please download and import the following iCalendar (.ics) files to your calendar system. Weekly: https://linaro-org.zoom.us/meeting/tJYodOyvpz8jGNEc_1ykVap8Zg6oTLqZZSeJ/ics?...https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.google.com%2Furl%3Fq%3Dhttps%253A%252F%252Flinaro-org.zoom.us%252Fmeeting%252FtJYodOyvpz8jGNEc_1ykVap8Zg6oTLqZZSeJ%252Fics%253FicsToken%253D98tyKuCqqzgvHd2RuRuCRowQGYjCZ-3xmClEjY14nyC0GitlYxOuDOUUPYZTAeLq%26sa%3DD%26ust%3D1623799931793000%26usg%3DAOvVaw1Ozu3K7Ua0Q9ZIc5V25R5o&data=05%7C01%7Cvwadekar%40nvidia.com%7Ce5d40cabf1974339d87408da54582f7a%7C43083d15727340c1b7db39efd9ccc17a%7C0%7C0%7C637915035963771118%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=rSqjqE2iJp75Zs%2FOl0go%2Bhh1ndqTxP%2Bpwcrf3VY1TwY%3D&reserved=0

Join Zoom Meeting https://linaro-org.zoom.us/j/92535794925?pwd=TTl0cmo4R2hTNm8wcHo1M3ZKdjlnUT0...https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.google.com%2Furl%3Fq%3Dhttps%253A%252F%252Flinaro-org.zoom.us%252Fj%252F92535794925%253Fpwd%253DTTl0cmo4R2hTNm8wcHo1M3ZKdjlnUT09%26sa%3DD%26ust%3D1623799931793000%26usg%3DAOvVaw0W5EcbxypK-e29nFQNhCYW&data=05%7C01%7Cvwadekar%40nvidia.com%7Ce5d40cabf1974339d87408da54582f7a%7C43083d15727340c1b7db39efd9ccc17a%7C0%7C0%7C637915035963771118%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=%2F8hksO7WcWnn%2Bz1TDpAKffQx1BxiLEhbb6z4Krzb3es%3D&reserved=0

Meeting ID: 925 3579 4925 Passcode: 414410 One tap mobile +12532158782,,92535794925# US (Tacoma) +13462487799,,92535794925# US (Houston)

From: Joanna Farley <Joanna.Farley@arm.commailto:Joanna.Farley@arm.com> Date: Tuesday, 21 June 2022 at 18:11 To: Varun Wadekar <vwadekar@nvidia.commailto:vwadekar@nvidia.com>, Okash Khawaja <okash@google.commailto:okash@google.com> Cc: Matteo Carlini <Matteo.Carlini@arm.commailto:Matteo.Carlini@arm.com>, tf-a@lists.trustedfirmware.orgmailto:tf-a@lists.trustedfirmware.org <tf-a@lists.trustedfirmware.orgmailto:tf-a@lists.trustedfirmware.org> Subject: Re: [TF-A] Re: Rebooting LTS discussion Thanks Varun and Okash. I'll update Jul 14th invite and add LTS as the discussion area.

From: Varun Wadekar <vwadekar@nvidia.commailto:vwadekar@nvidia.com> Date: Tuesday, 21 June 2022 at 17:24 To: Joanna Farley <Joanna.Farley@arm.commailto:Joanna.Farley@arm.com>, Okash Khawaja <okash@google.commailto:okash@google.com> Cc: Matteo Carlini <Matteo.Carlini@arm.commailto:Matteo.Carlini@arm.com>, tf-a@lists.trustedfirmware.orgmailto:tf-a@lists.trustedfirmware.org <tf-a@lists.trustedfirmware.orgmailto:tf-a@lists.trustedfirmware.org> Subject: RE: [TF-A] Re: Rebooting LTS discussion Hi Joanna,

Thanks for the update. Okash and I would be ready by July 14. We will prepare the slides for the session.

-Varun

From: Joanna Farley <Joanna.Farley@arm.commailto:Joanna.Farley@arm.com> Sent: Tuesday, 21 June 2022 5:07 PM To: Okash Khawaja <okash@google.commailto:okash@google.com>; Varun Wadekar <vwadekar@nvidia.commailto:vwadekar@nvidia.com> Cc: Matteo Carlini <Matteo.Carlini@arm.commailto:Matteo.Carlini@arm.com>; tf-a@lists.trustedfirmware.orgmailto:tf-a@lists.trustedfirmware.org Subject: Re: [TF-A] Re: Rebooting LTS discussion

External email: Use caution opening links or attachments

Okash, Varun,

Any thoughts when you want to do a LTS TechForum session. 30th June is now taken and the next scheduled one after that is 14th July. We could try and do a special one on 7th July if that's better.

I'm reliant on you guys to jointly prepare and present a LTS TF-A Tech forum session

Joanna

The next session after next week is Thursday 30th June at 4pm BST. This is also available with nothing currently scheduled.

Joanna

Sounds good to me. I will be out of country during next week. After that should be fine.

Thanks, Okash

It would be good to see issues raised for discussion.

I'm happy to host if the two of you and any other platform providers interested can prepare a TF-A session to present to the broader TF-A community.

Thanks

Joanna

A targeted tech forum or another mechanism works for me. I would like to discuss the scope of the activity and the engagement model.

-Varun

External email: Use caution opening links or attachments

Hi Okash,

Thanks for rebooting the conversation.

Out of the brainstorming from 1.5 yrs ago, we had this page published with an initial RFC proposal for LTSs: https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdeveloper....https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdeveloper.trustedfirmware.org%2Fw%2Ftf_a%2Flts_proposal%2F&data=05%7C01%7Cvwadekar%40nvidia.com%7Ce5d40cabf1974339d87408da54582f7a%7C43083d15727340c1b7db39efd9ccc17a%7C0%7C0%7C637915035963771118%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=2TI2s2b%2Be%2FXjDQAuynanO%2FVJS6j0utEPoifaP4IkXOk%3D&reserved=0

Worth mentioning that, in the meanwhile, the TF-M project has introduced the concept of Hotfix releases (which is a very lightweight process for backporting critical bug fix/security fixes only to the last available tagged release): https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftf-m-user-...https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftf-m-user-guide.trustedfirmware.org%2Fdocs%2Freleases%2Frelease_process.html&data=05%7C01%7Cvwadekar%40nvidia.com%7Ce5d40cabf1974339d87408da54582f7a%7C43083d15727340c1b7db39efd9ccc17a%7C0%7C0%7C637915035963771118%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=8g6LPhQe3VnkPG2zk8NVKQUSpAQ54H6N6ni7cZWDJFE%3D&reserved=0

I'm curious to hear others' opinion and interest (@Varun, @Raghu ?) to possibly revive this topic in either in a Tech Forum or at a project TSC/Board level.

Thanks Matteo

Okash Khawaja

12:43 p.m.

Thanks Varun.

I think we should put together a document which captures yesterday's session and the feedback from it. The document can then become a formal proposal after people have reviewed it in their own time.

If that makes sense, Varun and I can put together the doc and share it on this mailing list.

On Fri, Jul 15, 2022 at 10:42 AM Varun Wadekar vwadekar@nvidia.com wrote:

...

Hi Everyone,

We presented a proposal at the Tech Forum yesterday to take the LTS idea forward. The recording link and password are provided below.

This effort is important for the project, and we don’t want to rush into something that is not useful. With holidays and other engagements, we want to provide more time to digest the information and provide feedback. We will schedule another Tech forum discussion in September to hear feedback/concerns/questions.

See you soon!

-Varun

Recording: https://linaro-org.zoom.us/rec/share/wYFz4jQvpLZntYSamyjc5-n_bGNcx_RFm-amEdx... Passcode: NUx82^W=

*From:* Joanna Farley Joanna.Farley@arm.com *Sent:* Wednesday, 22 June 2022 3:05 PM *To:* Varun Wadekar vwadekar@nvidia.com; Okash Khawaja <okash@google.com

...
*Cc:* Matteo Carlini Matteo.Carlini@arm.com; tf-a@lists.trustedfirmware.org *Subject:* Re: [TF-A] Re: Rebooting LTS discussion

*External email: Use caution opening links or attachments*

Hi Everyone,

I learnt today that our peer project (TF-M) are having a similar LTS discussion and have their own LTS Tech forum session tomorrow.

Its an 8am BST(GMT+1) meeting start but I’m told the LTS discussion is mid agenda so expect the discussion on that to start around 8:30am. I’m told it’s an information gathering session rather than a proposal session.

Anyway the Zoom id of the call is below. These are recorded like TF-A sessions and will be uploaded to their Techforum page.

Joanna

*This event has been changed with this note:* "Extending end date"

*TF-M Tech forum*

When

*Changed: *Every 4 weeks from 12am to 1am on Thursday Mountain Standard Time - Phoenix

Where

https://linaro-org.zoom.us/j/92535794925?pwd=TTl0cmo4R2hTNm8wcHo1M3ZKdjlnUT0... https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flinaro-org.zoom.us%2Fj%2F92535794925%3Fpwd%3DTTl0cmo4R2hTNm8wcHo1M3ZKdjlnUT09&data=05%7C01%7Cvwadekar%40nvidia.com%7Ce5d40cabf1974339d87408da54582f7a%7C43083d15727340c1b7db39efd9ccc17a%7C0%7C0%7C637915035963771118%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=uJB3LOG%2BIjZXYmergJavyjgrc%2F5h%2FRTmN5yvds1LVVI%3D&reserved=0 (map https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.google.com%2Furl%3Fq%3Dhttps%253A%252F%252Flinaro-org.zoom.us%252Fj%252F92535794925%253Fpwd%253DTTl0cmo4R2hTNm8wcHo1M3ZKdjlnUT09%26sa%3DD%26ust%3D1623799931794000%26usg%3DAOvVaw1NymJm42AccUYF3SXsAvvQ&data=05%7C01%7Cvwadekar%40nvidia.com%7Ce5d40cabf1974339d87408da54582f7a%7C43083d15727340c1b7db39efd9ccc17a%7C0%7C0%7C637915035963771118%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=4sANNHS7cPp3G%2B7bbkY5IlpzK348E4Vo1c0kLtPwtnE%3D&reserved=0 )

Calendar

anton.komlev@arm.com

Who

•

Don Harbin - creator

•

tf-m@lists.trustedfirmware.org

•

anton.komlev@arm.com

•

leonardo.sandoval@linaro.org

•

abdelmalek.omar1@gmail.com

*more details » https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fcalendar.google.com%2Fcalendar%2Fevent%3Faction%3DVIEW%26eid%3DaDM1OHZtbG0wa2diNTlrcmZkbHJtdmk3NWEgYW50b24ua29tbGV2QGFybS5jb20%26tok%3DNjMjbGluYXJvLm9yZ19oYXZqdjJmaWdyaDVlZ2FpdXJiMjI5cGQ4Y0Bncm91cC5jYWxlbmRhci5nb29nbGUuY29tMTViNTA4NjUyOWNkMGIzM2NjNWQwYzgzOWM2OTlkY2M1NmVkZjI5OQ%26ctz%3DAmerica%252FPhoenix%26hl%3Den%26es%3D0&data=05%7C01%7Cvwadekar%40nvidia.com%7Ce5d40cabf1974339d87408da54582f7a%7C43083d15727340c1b7db39efd9ccc17a%7C0%7C0%7C637915035963771118%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=eslu5cqYHaRHT02rUm3DW8U2ungM4c4dKt0EdTw%2BbmQ%3D&reserved=0*

About TF-M Tech forum:

This is an open forum for anyone to participate and it is not restricted to Trusted Firmware project members. It will operate under the guidance of the TF TSC.

Feel free to forward it to colleagues.

Details of previous meetings are here: https://www.trustedfirmware.org/meetings/tf-m-technical-forum/ https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.google.com%2Furl%3Fq%3Dhttps%253A%252F%252Fwww.trustedfirmware.org%252Fmeetings%252Ftf-m-technical-forum%252F%26sa%3DD%26ust%3D1623799931793000%26usg%3DAOvVaw2bTOykSaZbdsYs7MxUKBuC&data=05%7C01%7Cvwadekar%40nvidia.com%7Ce5d40cabf1974339d87408da54582f7a%7C43083d15727340c1b7db39efd9ccc17a%7C0%7C0%7C637915035963771118%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=GJ5woAnGoG%2FtFEql%2BLRtSucIylPX3OtctIUrQQ3fMwY%3D&reserved=0

====Zoom==== Topic: TF-M Tech forum - Asia Time Zone Friendly Time: Nov 12, 2020 07:00 AM Greenwich Mean Time Every 4 weeks on Thu, until Mar 4, 2021, 5 occurrence(s) Nov 12, 2020 07:00 AM Dec 10, 2020 07:00 AM Jan 7, 2021 07:00 AM Feb 4, 2021 07:00 AM Mar 4, 2021 07:00 AM Please download and import the following iCalendar (.ics) files to your calendar system. Weekly: https://linaro-org.zoom.us/meeting/tJYodOyvpz8jGNEc_1ykVap8Zg6oTLqZZSeJ/ics?... https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.google.com%2Furl%3Fq%3Dhttps%253A%252F%252Flinaro-org.zoom.us%252Fmeeting%252FtJYodOyvpz8jGNEc_1ykVap8Zg6oTLqZZSeJ%252Fics%253FicsToken%253D98tyKuCqqzgvHd2RuRuCRowQGYjCZ-3xmClEjY14nyC0GitlYxOuDOUUPYZTAeLq%26sa%3DD%26ust%3D1623799931793000%26usg%3DAOvVaw1Ozu3K7Ua0Q9ZIc5V25R5o&data=05%7C01%7Cvwadekar%40nvidia.com%7Ce5d40cabf1974339d87408da54582f7a%7C43083d15727340c1b7db39efd9ccc17a%7C0%7C0%7C637915035963771118%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=rSqjqE2iJp75Zs%2FOl0go%2Bhh1ndqTxP%2Bpwcrf3VY1TwY%3D&reserved=0

Join Zoom Meeting

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*From: *Joanna Farley Joanna.Farley@arm.com *Date: *Tuesday, 21 June 2022 at 18:11 *To: *Varun Wadekar vwadekar@nvidia.com, Okash Khawaja <okash@google.com

...
*Cc: *Matteo Carlini Matteo.Carlini@arm.com, tf-a@lists.trustedfirmware.org tf-a@lists.trustedfirmware.org *Subject: *Re: [TF-A] Re: Rebooting LTS discussion

Thanks Varun and Okash. I’ll update Jul 14th invite and add LTS as the discussion area.

*From: *Varun Wadekar vwadekar@nvidia.com *Date: *Tuesday, 21 June 2022 at 17:24 *To: *Joanna Farley Joanna.Farley@arm.com, Okash Khawaja < okash@google.com> *Cc: *Matteo Carlini Matteo.Carlini@arm.com, tf-a@lists.trustedfirmware.org tf-a@lists.trustedfirmware.org *Subject: *RE: [TF-A] Re: Rebooting LTS discussion

Hi Joanna,

Thanks for the update. Okash and I would be ready by July 14. We will prepare the slides for the session.

-Varun

*From:* Joanna Farley Joanna.Farley@arm.com *Sent:* Tuesday, 21 June 2022 5:07 PM *To:* Okash Khawaja okash@google.com; Varun Wadekar <vwadekar@nvidia.com

...
*Cc:* Matteo Carlini Matteo.Carlini@arm.com; tf-a@lists.trustedfirmware.org *Subject:* Re: [TF-A] Re: Rebooting LTS discussion

*External email: Use caution opening links or attachments*

Okash, Varun,

Any thoughts when you want to do a LTS TechForum session. 30th June is now taken and the next scheduled one after that is 14th July. We could try and do a special one on 7th July if that’s better.

I’m reliant on you guys to jointly prepare and present a LTS TF-A Tech forum session

Joanna

*From: *Joanna Farley via TF-A tf-a@lists.trustedfirmware.org *Date: *Monday, 6 June 2022 at 13:47 *To: *Okash Khawaja okash@google.com *Cc: *Matteo Carlini Matteo.Carlini@arm.com, tf-a@lists.trustedfirmware.org tf-a@lists.trustedfirmware.org *Subject: *[TF-A] Re: Rebooting LTS discussion

Hi Okash,

The next session after next week is Thursday 30th June at 4pm BST. This is also available with nothing currently scheduled.

Joanna

*From: *Okash Khawaja okash@google.com *Date: *Monday, 6 June 2022 at 13:34 *To: *Joanna Farley Joanna.Farley@arm.com *Cc: *Varun Wadekar vwadekar@nvidia.com, Matteo Carlini < Matteo.Carlini@arm.com>, tf-a@lists.trustedfirmware.org < tf-a@lists.trustedfirmware.org> *Subject: *Re: [TF-A] Re: Rebooting LTS discussion

Hi Joanna and Varun,

Sounds good to me. I will be out of country during next week. After that should be fine.

Thanks,

Okash

On Mon, Jun 6, 2022 at 12:13 PM Joanna Farley Joanna.Farley@arm.com wrote:

Varun, Okash, I believe the two of you have some interest in the LTS topic. Would the two of you be willing to jointly prepare and present a TF-A Tech forum session? The next available session is Thursday 16th June at 4pm BST.

I’m sure there are many definitions of what a LTS release branch is in terms of purpose, content, duration etc. I would expect many platform providers are doing this downstream today and I could imagine there may be variations. Some degree of consensus on how this is managed and resourced would be needed I believe between multiple platform providers who would want to consume this.

It would be good to see issues raised for discussion.

I’m happy to host if the two of you *and any other platform providers interested* can prepare a TF-A session to present to the broader TF-A community.

Thanks

Joanna

*From: *Varun Wadekar via TF-A tf-a@lists.trustedfirmware.org *Date: *Tuesday, 31 May 2022 at 15:23 *To: *Matteo Carlini Matteo.Carlini@arm.com, Okash Khawaja < okash@google.com>, tf-a@lists.trustedfirmware.org < tf-a@lists.trustedfirmware.org> *Subject: *[TF-A] Re: Rebooting LTS discussion

Hi Matteo/Okash,

Thanks for re-starting the discussion. We (NVIDIA) are still interested in the idea and would like to discuss the next steps. I like the idea of a hotfix release, although would propose back-porting fixes to more tags.

A targeted tech forum or another mechanism works for me. I would like to discuss the scope of the activity and the engagement model.

-Varun

-----Original Message----- From: Matteo Carlini Matteo.Carlini@arm.com Sent: Tuesday, 17 May 2022 3:39 PM To: Okash Khawaja okash@google.com; tf-a@lists.trustedfirmware.org Cc: Varun Wadekar vwadekar@nvidia.com; raghu.ncstate@icloud.com Subject: RE: [TF-A] Rebooting LTS discussion

External email: Use caution opening links or attachments

Hi Okash,

Thanks for rebooting the conversation.

Out of the brainstorming from 1.5 yrs ago, we had this page published with an initial RFC proposal for LTSs:

https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdeveloper.... https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdeveloper.trustedfirmware.org%2Fw%2Ftf_a%2Flts_proposal%2F&data=05%7C01%7Cvwadekar%40nvidia.com%7Ce5d40cabf1974339d87408da54582f7a%7C43083d15727340c1b7db39efd9ccc17a%7C0%7C0%7C637915035963771118%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=2TI2s2b%2Be%2FXjDQAuynanO%2FVJS6j0utEPoifaP4IkXOk%3D&reserved=0

Worth mentioning that, in the meanwhile, the TF-M project has introduced the concept of Hotfix releases (which is a very lightweight process for backporting critical bug fix/security fixes only to the last available tagged release):

https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftf-m-user-... https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftf-m-user-guide.trustedfirmware.org%2Fdocs%2Freleases%2Frelease_process.html&data=05%7C01%7Cvwadekar%40nvidia.com%7Ce5d40cabf1974339d87408da54582f7a%7C43083d15727340c1b7db39efd9ccc17a%7C0%7C0%7C637915035963771118%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=8g6LPhQe3VnkPG2zk8NVKQUSpAQ54H6N6ni7cZWDJFE%3D&reserved=0

I'm curious to hear others' opinion and interest (@Varun, @Raghu ?) to possibly revive this topic in either in a Tech Forum or at a project TSC/Board level.

Thanks Matteo

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participants (4)

Joanna Farley
Matteo Carlini
Okash Khawaja
Varun Wadekar