Show HN: A 6KB x86-64 kernel for Firecracker microVMs

Category: infrastructure

Tags: kernel, microvm, assembly

Score: 6.8/10 (Innovation: 8, Technical: 8, Documentation: 5, Utility: 6)

A minimal x86-64 kernel designed for Firecracker microVMs, achieving sub-millisecond cold starts with only 2 MiB of RAM. It combines a custom exokernel with streamlined virtualization, enabling near-instant, hardware-isolated workloads. The project is interesting for its innovative approach to ultra-lightweight microVM provisioning and its potential in serverless or edge computing.

Target audience: backend devs, devops, infrastructure engineers

Repository: https://github.com/ReturnInfinity/BareMetal-Firecracker · Assembly · MIT · 5 stars

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