[mmckeen]

Also commonly used for high-performance networking and security use cases, for example https://isovalent.com/blog/post/cilium-netkit-a-new-containe....

Basically anywhere you'd previously need to write a kernel module but now can have user space run arbitrary kernel code that's secure and won't crash the kernel.

You can also now write custom schedulers in eBPF with sched_ext.