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Suggested in [nixos-org-configurations#142](NixOS/infra#142). `aarch64-linux` gathers enough attention to receive a promotion to a supported architecture? Rendered: TBA
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--- | ||
feature: aarch64-tier1 | ||
start-date: 2021-03-09 | ||
author: Vika Shleina | ||
co-authors: TBD | ||
shepherd-team: TBD | ||
shepherd-leader: TBD | ||
related-issues: TBD | ||
--- | ||
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# Summary | ||
[summary]: #summary | ||
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Move `aarch64-linux` from a Tier 2 platform to Tier 1, as described in [RFC 0046](/rfcs/0046-platform-support-tiers.md) | ||
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# Motivation | ||
[motivation]: #motivation | ||
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`aarch64-linux` support in Nixpkgs and NixOS matures over time and becomes | ||
more and more stable, and more devices appear having NixOS on ARM support. | ||
Moving it to a Tier 1 platform will allow us to block release channels on | ||
aarch64-related build failures, making it easier and safer for ARM users | ||
to upgrade their systems, and will help in keeping software versions in | ||
sync between several architectures due to `x86_64-linux` and `aarch64-linux` | ||
builds sharing a channel. | ||
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# Detailed design | ||
[design]: #detailed-design | ||
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`aarch64-linux` builds will be added to stable and unstable channels' `tested` | ||
aggregate jobs on Hydra, giving them ability to block channel advances. | ||
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# Examples and Interactions | ||
[examples-and-interactions]: #examples-and-interactions | ||
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<!-- This section illustrates the detailed design. This section should clarify all | ||
confusion the reader has from the previous sections. It is especially important | ||
to counterbalance the desired terseness of the detailed design; if you feel | ||
your detailed design is rudely short, consider making this section longer | ||
instead. --> | ||
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In [nixos/release-combined.nix](https://github.com/NixOS/nixpkgs/blob/master/nixos/release-combined.nix) | ||
`aarch64-linux` will be moved to `supportedSystems`, enabling NixOS tests | ||
to block channel advances in case of failures. | ||
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(maybe something more? IDK for now) | ||
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# Drawbacks | ||
[drawbacks]: #drawbacks | ||
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Some build failures could unneccesarily delay channel advances, delaying critical updates. | ||
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# Alternatives | ||
[alternatives]: #alternatives | ||
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Create an aarch64-focused channel that would build same things current `unstable` does, but for aarch64 only. | ||
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# Unresolved questions | ||
[unresolved]: #unresolved-questions | ||
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TBA | ||
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# Future work | ||
[future]: #future-work | ||
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TBA |