CODEOWNERS: assign code ownership to florianl, mmat11 and dylandreime…

…rink

As discussed at the Cilium Dev Summit 2024, this codifies review assignments
and expectations around interactivity on PR reviews.

Signed-off-by: Timo Beckers <timo@isovalent.com>

CODEOWNERS

@@ -1,2 +1,9 @@
 * @cilium/ebpf-lib-maintainers
+
 features/ @rgo3
+link/ @mmat11
+
+perf/ @florianl
+ringbuf/ @florianl
+
+btf/ @dylandreimerink

docs/ebpf/contributing/index.md

@@ -67,31 +67,34 @@ from upstream kernel versions. You can update them to the latest version by:
 
 Finally, bump the tested kernels in `.github/workflows/ci.yml`
 
-## Project permissions
+## Project Roles
 
 If you'd like to contribute to the library more regularly, one of the
 [maintainers][ebpf-lib-maintainers] can add you to the appropriate team or mark
 you as a code owner. Please create an issue in the repository.
 
 * [ebpf-go-contributors]
-    * Have ["Triage"][permissions] role
-    * May be asked to review certain parts of code
-    * May be asked to help with certain issues
+  * Have ["Triage"][permissions] role
+  * May be asked to review certain parts of code
+  * May be asked to help with certain issues
 * [ebpf-go-reviewers]
-    * Have ["Write"][permissions] role
-    * CODEOWNER of a part of the code base
-    * In-depth review of code, escalates to maintainers if necessary
+  * Have ["Write"][permissions] role
+  * CODEOWNER of a part of the code base
+  * In-depth review of code, escalates to maintainers if necessary
+    - For bugfixes: review within 1-2 days
+    - Otherwise: review within a work week
+    - When lacking time: escalate to maintainers, but don’t ignore
 * [ebpf-lib-maintainers]
-    * Have ["Admin"][permissions] role
-    * Manage releases
-    * Triage incoming issues and discussions
-    * Maintain CI & project permissions
-    * Maintain roadmap and encourage contributions towards it
-    * Merge approved PRs
+  * Have ["Admin"][permissions] role
+  * Manage releases
+  * Triage incoming issues and discussions and pull in CODEOWNERS if needed
+  * Maintain CI & project permissions
+  * Maintain roadmap and encourage contributions towards it
+  * Merge approved PRs
 
 [virtme]: https://github.com/amluto/virtme
 [run-tests.sh]: https://github.com/cilium/ebpf/blob/main/run-tests.sh
 [permissions]: https://docs.github.com/en/organizations/managing-user-access-to-your-organizations-repositories/repository-roles-for-an-organization#permissions-for-each-role
 [ebpf-go-contributors]: https://github.com/orgs/cilium/teams/ebpf-go-contributors/members
 [ebpf-go-reviewers]: https://github.com/orgs/cilium/teams/ebpf-go-reviewers/members
-[ebpf-lib-maintainers]: https://github.com/orgs/cilium/teams/ebpf-lib-maintainers/members
+[ebpf-lib-maintainers]: https://github.com/orgs/cilium/teams/ebpf-lib-maintainers/members