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0.2.2 (2017-04-04)

This release incorporates fixes since the release of MirageOS 3.0.

The changes in #166 may have a security impact, all users are encouraged to rebuild their deployed unikernels against this release.

Notable changes:

  • Add self-test for guest exception handling (#162).
  • Setup FPU in ukvm and add self-test for FPU/SSE operation (#163).
  • Fix check for KVM 32-bit gap (#165).
  • Replace kernel/lib.c with musl-derived implementations (#166).
  • solo5-virtio-run.sh support for Arch Linux (#168, #169).

Acknowledgements:

Thanks to the following new contributors to this release:

  • Adrian-Ken Rueegsegger
  • Michael LeMay
  • Gabriel Jaldon

0.2.1 (2017-02-21)

Point release to address a compilation issue on systems with Clang 3.9 (#158) and correct license headers for some source files (#159).

0.2.0 (2017-01-26)

This release is targeted for use with MirageOS 3.0.

High-level user-visible changes in this release:

  • Support for building the virtio backend on FreeBSD.
  • The virtio drivers are now stable and tested on QEMU/KVM, FreeBSD/bhyve and Google Compute Engine.
  • A new option (--net-mac) for specifying a user-defined MAC address to ukvm.
  • A new script solo5-mkimage.sh for building MBR-partitioned disk images with a bootloader and Solo5 (virtio backed) unikernel, with integrated support for building images for Google Compute Engine.
  • A new script solo5-run-virtio for launching Solo5 (virtio backed) unikernels on QEMU/KVM and FreeBSD/bhyve.
  • Improvements to the standalone test programs under tests/, including an automated test suite.
  • Standardised license headers and copyright notices across the codebase and introduced an AUTHORS file listing contributors and their affiliations.

Notable changes under the hood:

  • Security audit of the ukvm "hypercall" interfaces and ELF loader.
  • Cleanup and refactoring of the low-level interrupt and trap handling code.
  • Memory layout improvements and unification between the ukvm and virtio backends.
  • Many bug fixes.

Acknowledgements:

The following people helped by filing valuable issues, testing and other non-code contributions to this release:

  • David Kaloper
  • Hannes Mehnert
  • Sean Grove

Thank you!

0.1.1 (2016-07-21)

  • Initial release for publishing to opam.ocaml.org.