A generic kernel infrastructure layer that lets kernel code and userspace programs exchange short messages over netlink sockets. It is used by features like the process events reporter and various subsystems that need a simple bidirectional notification channel, not by any specific piece of hardware.
This is not actually a driver directory; it is a shared kernel-to-userspace messaging framework that other subsystems build on top of. It is core plumbing rather than hardware support, so the keep/remove question does not apply in the usual sense.
repository signals
5files
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7authors, 5y
monthly commits · 2021-04-21 → 2026-04-21 · 11 total · active in 6/61 months
sources
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codex reasoning notes (technical)
Not a driver directory: contains the generic kernel/userspace netlink Connector subsystem (Kconfig says "unified userspace <-> kernelspace linker"), not hardware-bound device driver code.