Story thread · 2 reports / 1 sources

Linux 7.3 Adds New "bpf_sock_read_xattr" Feature For systemd, BPF Programs

phoronix.com · 2hShare

Merged earlier this year for Linux 7.1 was extended attributes on sockets support as a feature sought after by the likes of GNOME and systemd for helping with Varlink IPC usage and other purposes. A limitation though of the functionality has been no efficient means for a BPF program to read those user extended attribute labels back. But with Linux 7.3 that's being addressed with the new bpf_sock_read_xattr() kernel function...

First report: Linux 7.3 binfmt_misc To Allow BPF Programs To Dynamically Choose Execution Environments — phoronix.com, 2d