4.4.X-stable and 4.4.X-rt maintainance ends in less than two weeks
Hi!
It looks like stable 4.4.X maintainence ends real soon now:
https://www.kernel.org/category/releases.html . I talked to Greg and it seems like plan is to end it at the beggining of month, rather than end.
That means we'll be on our own maintaining -cip and -cip-rt versions.
To review our 4.4 branch:
git log --pretty=oneline linux-4.4.y-cip-rebase
We have 757 patches on top of 4.4.216, and there are some 14000 patches between 4.4 and 4.4.216. Going forward, most new patches will come from upstream.
We do some compile testing, but we only run run-time tests on two targets:
https://gitlab.com/cip-project/cip-kernel/linux-cip/-/pipelines/448669210
.
Given that most of work we'll be doing will be maintaining -stable patches, anyway, I believe it would make sense to step up as official maintainers of 4.4.X-stable and 4.4.X-rt series. We'll need to do the work, anyway, keeping -stable and -cip split will not result in much overhead for us, and this way we'll get a lot of visibility for the project, and hopefully a lot of additional testing.
Any thoughts?
Best regards,
Pavel
Signature · 2 lines
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Quoted 8 lines · Pavel Machek
Hi!
It looks like stable 4.4.X maintainence ends real soon now:
https://www.kernel.org/category/releases.html . I talked to Greg and it seems like plan is to end it at the beggining of month, rather than end.
Thank you for asking the actual EOL date.
Quoted 15 lines
That means we'll be on our own maintaining -cip and -cip-rt versions.
To review our 4.4 branch:
git log --pretty=oneline linux-4.4.y-cip-rebase
We have 757 patches on top of 4.4.216, and there are some 14000 patches between 4.4 and 4.4.216. Going forward, most new patches will come from upstream.
We do some compile testing, but we only run run-time tests on two targets:
https://gitlab.com/cip-project/cip-kernel/linux-cip/-/pipelines/448669210
.
Quoted 9 lines
Given that most of work we'll be doing will be maintaining -stable patches, anyway, I believe it would make sense to step up as official maintainers of 4.4.X-stable and 4.4.X-rt series. We'll need to do the work, anyway, keeping -stable and -cip split will not result in much overhead for us, and this way we'll get a lot of visibility for the project, and hopefully a lot of additional testing.
Any thoughts?
I agree. The split -stable and -cip work sounds reasonable. I think it would be helpful, if AUTOSEL system continues to pick patches for 4.4 series.
Quoted 6 lines
Best regards,
Pavel
--
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Quoted 8 lines
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Regards,
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Masami Ichikawa Cybertrust Japan Co., Ltd. Email :[email protected] :[email protected]
Quoted 34 lines · Masami Ichikawa
Quoted 8 lines · Pavel Machek
Hi!
It looks like stable 4.4.X maintainence ends real soon now:
https://www.kernel.org/category/releases.html . I talked to Greg and it seems like plan is to end it at the beggining of month, rather than end.Thank you for asking the actual EOL date.
Quoted 22 lines
That means we'll be on our own maintaining -cip and -cip-rt versions.
To review our 4.4 branch:
git log --pretty=oneline linux-4.4.y-cip-rebase
We have 757 patches on top of 4.4.216, and there are some 14000 patches between 4.4 and 4.4.216. Going forward, most new patches will come from upstream.
We do some compile testing, but we only run run-time tests on two targets:
https://gitlab.com/cip-project/cip-kernel/linux-cip/-/pipelines/448669210
.Given that most of work we'll be doing will be maintaining -stable patches, anyway, I believe it would make sense to step up as official maintainers of 4.4.X-stable and 4.4.X-rt series. We'll need to do the work, anyway, keeping -stable and -cip split will not result in much overhead for us, and this way we'll get a lot of visibility for the project, and hopefully a lot of additional testing.
Quoted 7 lines
Quoted 2 lines
Any thoughts?
I agree. The split -stable and -cip work sounds reasonable. I think it would be helpful, if AUTOSEL system continues to pick patches for 4.4 series.
I do agree that, if we need to integrate patches anyway, providing them as a prolonged LTS should not be extra effort. But what will and can people expect from that?
The original LTS kernels conceptually covers everything that is code-wise included. Our CIP kernels do not. While it might be still ok to fix trivial build issues or even runtime problems for things CIP does not cover in the configs when they only occasionally occur, we will not be able to commit on doing that all the time - resources are limited, and the focus needs to be on CIP-defined setups.
Jan
Signature · 2 lines
Siemens AG, Technology Competence Center Embedded Linux