11–13 Dec 2025
Asia/Tokyo timezone

Rethinking Android's Priority Inheritance

11 Dec 2025, 10:24
22m
"Hall B4 (63)" (Toranomon Hills Mori Tower)

"Hall B4 (63)"

Toranomon Hills Mori Tower

Scheduler and Real-Time MC Scheduler and Real-Time MC

Speaker

Carlos Llamas

Description

The Binder driver is a lightweight IPC that serves as the communication backbone between processes in Android. It implements a very peculiar Priority Inheritance model that has been rejected upstream. This presentation re-examines this design and presents a few upstream-friendly alternatives to the current model.

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