KEP-4540: Promote the CPUManager Policy Option strict-cpu-reservation to GA

[psasnal]

• One-line PR description: Promote the CPUManager Policy Option strict-cpu-reservation to GA

• Issue link: Add CPUManager policy option to restrict reservedSystemCPUs to system daemons and interrupt processing  #4540

• Other comments:
  • Introduced as an alpha feature in 1.32: KEP-4540: Add CPUManager policy option to restrict reservedSystemCPUs to system daemons and interrupt processing #4540 #4541
  • Graduated as beta feature in 1.33: KEP-4540: Move to beta #5128

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[k8s-ci-robot]

Hi @psasnal. Thanks for your PR.

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[ffromani]

/ok-to-test

@haircommander can we include in 1.35? should be quick and painless, and I'm happy to shepard this one

[haircommander]

/lgtm

[psasnal]

@soltysh Could you take a look and approve this PR?

[SergeyKanzhelev]

@ffromani please be an approver here: #5595

[SergeyKanzhelev]

/assign @ffromani

[ffromani]

/lgtm
from sig-node perspective this is actually as simple as it looks.

[wendy-ha18]

Hi @ffromani @psasnal , I'm a SIG Node Wrangler for this KEP, as it has got LGTM from SIG Node, is it ready for PRR review?
Deadline for PRR Freeze will be on next week Thursday 9th October 2025 (AoE) / Friday 10th October 2025, 12:00 UTC

cc PRR reviewer for this KEP is @stlaz (shadow) and @soltysh I beleive 😃

[SergeyKanzhelev]

/lgtm from sig-node perspective this is actually as simple as it looks.

@ffromani please approve if this is ready to be merged

[k8s-ci-robot]

New changes are detected. LGTM label has been removed.

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: psasnal
Once this PR has been reviewed and has the lgtm label, please ask for approval from ffromani and additionally assign wojtek-t for approval. For more information see the Code Review Process.

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• keps/sig-node/4540-strict-cpu-reservation/OWNERS

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