supermachine-kernel-x86-64 0.7.68

Pre-built x86_64 Linux microVM kernel (minimal config), busybox, and in-VM agent for supermachine's KVM backend, bundled as xz-compressed payloads inside the crate (no network at build time). Resolved automatically per target by the `supermachine-kernel` facade; pin in lockstep with `supermachine`.
Documentation
  • Coverage
  • 100%
    13 out of 13 items documented0 out of 6 items with examples
  • Size
  • Source code size: 8.44 MB This is the summed size of all the files inside the crates.io package for this release.
  • Documentation size: 61.21 MB This is the summed size of all files generated by rustdoc for all configured targets
  • Ø build duration
  • this release: 15s Average build duration of successful builds.
  • all releases: 14s Average build duration of successful builds in releases after 2024-10-23.
  • Links
  • crates.io
  • Dependencies
    • —
  • Versions
  • Owners
  • Nedomas

supermachine-kernel-x86-64

Pre-built x86_64 guest assets for supermachine's KVM backend, bundled inside the crate so no network is needed at build time.

You normally don't depend on this crate directly — depend on the supermachine-kernel facade, which re-exports the correct architecture's crate by target_arch. Cargo only downloads the sub-crate matching the build target, so an x86_64 build pulls only this crate, and an aarch64 build pulls only supermachine-kernel-aarch64.

What's inside

Asset Const Notes
Kernel KERNEL_BYTES Minimal-config Linux 6.12 x86_64 bzImage. MODULES=n; virtio-MMIO (+CMDLINE_DEVICES), virtio-blk, virtio-vsock, squashfs, overlayfs, ext4, 8250 console all built in.
busybox BUSYBOX_BYTES Static x86_64 busybox; the bake stages it into the agent initramfs for the overlayfs + switch_root container setup.
Agent SUPERMACHINE_AGENT_BYTES Static x86_64-musl in-VM control agent; PID 1 inside the container, serves exec/control RPCs over vsock.

There is no init-oci or smpark.ko here (those are aarch64/HVF-only): the KVM backend builds the writable container rootfs (overlayfs + switch_root) directly in the agent initramfs's generated init.

Rebuilding the kernel

See crates/supermachine-kernel/kvm-x86_64-build.sh for the reproducible minimal-config recipe. The x86_64 bzImage is self-compressed, so the config is minimized at the source to fit under the crates.io ~10 MiB cap; xz -k -9 the outputs into this directory (kernel.xz, busybox.xz, supermachine-agent.xz) to publish.

License

Apache-2.0 AND GPL-2.0-only AND MIT. The kernel and busybox are GPL-2.0-only; see NOTICE for the GPL §3(b) written offer for kernel source.