8.6. Miscellaneous Topics
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## 8.6. Miscellaneous Topics

### 8.6.1. Interrupt Source and ICU Abstractions

- struct isrc

- pic drivers

### 8.6.2. Other Random Questions/Topics

- Should we pass an interlock into `sema_wait`?

- Should we have non-sleepable sx locks?

- Add some info about proper use of reference counts.

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