News [Phoronix] New Rust-Based BUS1 In-Kernel IPC In Development For The Linux Kernel

[LinuxBot]

After KDBUS failed to make it into the mainline Linux kernel more than one decade ago as an in-kernel version of D-Bus, BUS1 was proposed as a clean sheet design for in-kernel, capability-based inter-process communication (IPC). BUS1 didn't gain enough traction to make it to the mainline kernel and then many of the same developers devised Dbus-Broker as a more performant D-Bus user-space implementation. Well, as a big surprise now, a new version of BUS1 is being worked on for the Linux kernel...

Source: https://www.phoronix.com/news/BUS1-Linux-2026

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