[$] Considering kernel pass-through interfaces

The kernel normally sits firmly between user space and the system's
peripheral devices, and provides a standard interface to those devices.  At
times, though, a more direct interface to a device is desired — but such
interfaces can be controversial.  At the 2024 Maintainers Summit, the
assembled developers considered a specific case — the proposed https://lwn.net/Articles/969383/
 — as well as the role of such
drivers in general.

https://lwn.net/Articles/990802/