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docs(explanation): add Ubuntu kernel patch life cycle page#117

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wiki-migration/kernel-patches
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docs(explanation): add Ubuntu kernel patch life cycle page#117
gkoh wants to merge 1 commit into
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wiki-migration/kernel-patches

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@gkoh

@gkoh gkoh commented Jul 24, 2026

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Migrate the conceptual patch life cycle content from the deprecated Ubuntu Wiki page Kernel/Dev/KernelPatches into kernel-docs.

The new explanation page describes how a kernel patch moves from bug identification through upstream submission and into the Ubuntu kernel, including:

  • why upstream-first is the preferred path
  • the role of Launchpad bugs and BugLink references
  • how patches flow from upstream into Ubuntu
  • when cherry-picks/backports through SRU are needed
  • what happens when a patch is rejected upstream

Upstream patch submission mechanics were deliberately omitted as out of scope for Canonical Kernel Team.

  • Added or updated meta description (if this PR includes documentation changes)
  • Reviewed all GitHub Actions / CI results; any unresolved failures are explained in a comment

Migrate the conceptual patch life cycle content from the deprecated
Ubuntu Wiki page Kernel/Dev/KernelPatches into kernel-docs.

The new explanation page describes how a kernel patch moves from bug
identification through upstream submission and into the Ubuntu kernel,
including:

- why upstream-first is the preferred path
- the role of Launchpad bugs and BugLink references
- how patches flow from upstream into Ubuntu
- when cherry-picks/backports through SRU are needed
- what happens when a patch is rejected upstream

Upstream patch submission mechanics were deliberately omitted as out of
scope for Canonical Kernel Team.

Signed-off-by: Guo-Rong Koh <guorong.koh@canonical.com>
@gkoh
gkoh requested a review from AnneCYH as a code owner July 24, 2026 07:04
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