chore: update UKCI kernels

[kxxt]

Automated UKCI kernel update

Summary by CodeRabbit

• Chores
  • Updated RISC-V kernel sources to newer 6.1, 6.6, 6.12, and 6.18 LTS releases.
  • Updated the non-RISC-V kernel source from version 7.1.8 to 7.1.10.
  • Refreshed source integrity information for all updated kernel versions.

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Project	Deployment	Actions	Updated (UTC)
tracexec	Ready	Preview	Aug 24, 2026 8:08am

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yml

Review profile: CHILL

Plan: Pro Plus

Run ID: 64f47ad5-82a1-40b0-9bec-ad54f9e9f543

📥 Commits

Reviewing files that changed from the base of the PR and between b366256 and 1efba90.

📒 Files selected for processing (1)

• nix/ukci.nix

Included review availability: Your plan provides up to 2 included reviews per hour; 1 remains after this review.

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Walkthrough

Changes

Kernel source updates

Layer / File(s)	Summary
Update kernel source entries nix/ukci.nix	The configuration updates RISC-V kernel tags and hashes for 6.1, 6.6, 6.12, and 6.18 LTS. It updates the non-RISC-V 7.1 entry from 7.1.8 to 7.1.10 and refreshes its hash.

Estimated code review effort: 1 (Trivial) | ~5 minutes

Merge Risk: ⚪ Minimal · up to 1efba

This automated kernel update is localized, and no actionable merge-blocking risk remains beyond normal checks and review.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the kernel updates in the pull request.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0 files. (1 skipped: 1 unsupported.)
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch automation/update-ukci-kernels

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[greptile-apps]

Greptile Summary

Updates the UKCI kernel matrix to newer patch releases while preserving the existing source and architecture selection.

• Advances the 6.1, 6.6, 6.12, and 6.18 LTS kernel pins and hashes.
• Advances the non-RISC-V 7.1 kernel pin, explicit version, and hash.

Confidence Score: 5/5

The PR appears safe to merge, with no concrete correctness or security failures identified in the changed kernel pins.

The release updates retain their existing source types and architecture gates, all patch-level bumps remain within the same kernel series, and the 7.1 tag and explicit version remain aligned.

Important Files Changed

Filename	Overview
nix/ukci.nix	Updates five aligned kernel tag/hash pins, including the matching explicit version for Linux 7.1, without changing matrix structure or architecture gates.

_{Reviews (1): Last reviewed commit: "chore: update UKCI kernels" | Re-trigger Greptile}