Post Syndicated from corbet original https://lwn.net/Articles/990802/

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 fwctl subsystem — as well as the role of such
drivers in general.