Defragmenting The Loader Landscape

This talk examines challenges in the eBPF loader ecosystem, including verification, fragmented testing, and the possibility of an independent loader test suite. It also considers loader design, language choices, and governance.

Syllabus

Introduction
What is ebpf
Challenges
Timo
The Loader Landscape
The Problem
Verification
Ecosystem fragmentation
Selftest errors
BPF tests
Minimal user space
What would it look like
Independent loader test suite
Reverse example
Why do we have nonBPF loaders
Matrix Chat
BPF Loader
Is BPF Competition
Language Choice
Loader Program
Spec
Governance
BPF
L4 clang
User mode helper
Governance questions