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Generalized Priority Definitions |
The priorities described below draw inspiration from the Google Issue Tracker and have been completely reformulated to fit the OpenTitan setting. The following definitions are used:
- Work streams: OpenTitan sub-projects which typically have their own associated working group, e.g.: discrete chip, integrated IP.
- Milestones: Milestones (M1, M2 etc) associated with a specific work stream.
- Core function: Core function of OpenTitan in any of the relevant engineering domains (HW, SW, security).
| Issue Priority | Description |
|---|---|
| P0 - Blocking | An issue that requires immediate resolution. Examples include top-of-tree CI outages or merge skew causing compilation simulation or synthesis breakages. |
| P1 - High | An issue requiring quick resolution since it significantly impacts a large percentage of functionality or maintainers; existing workarounds are only partial or exceedingly painful. The issue impacts a core function, and/or fundamentally impedes progress towards target milestones on any of the work streams. |
| P2 - Default | An issue that needs to be resolved within a reasonable amount of time. This could be: |
| (a) an issue that would have a higher priority, but has a reasonable workaround, | |
| (b) an issue that impacts a large percentage of maintainers and is linked with a core function, | |
| (c) an issue that needs to be addressed to reach the next milestone on a given work stream. | |
| This is the default priority level. | |
| P3 - Best effort | An issue that should be resolved on a best effort basis. Such an issue is relevant to core functions of OpenTitan, but does not impede progress towards target milestones on a given work stream or else has a reasonable workaround |
| P4 - Deferrable | An issue that should be resolved eventually. Such an issue is not relevant to core functions or upcoming milestones on any of the work streams; or it only addresses cosmetic aspects of the underlying subject. |