QEMU version 2.12.0 released

24 Apr 2018

We’d like to announce the availability of the QEMU 2.12.0 release. This release contains 2700+ commits from 204 authors.

You can grab the tarball from our download page. The full list of changes are available in the Wiki.

Highlights include:

  • Spectre/Meltdown mitigation support for x86/pseries/s390 guests. For more details see: https://www.qemu.org/2018/02/14/qemu-2-11-1-and-spectre-update/
  • Numerous block support improvements, including support for directly interacting with userspace NVMe driver, and general improvements to NBD server/client including more efficient reads of sparse files
  • Networking support for VMWare paravirtualized RDMA device (RDMA HCA and Soft-RoCE supported), CAN bus support via Linux SocketCAN and SJA1000-based PCI interfaces, and general improvements for dual-stack IPv4/IPv6 environments
  • GUI security/bug fixes, dmabufs support for GTK/Spice.
  • Better IPMI support for Platform Events and SEL logging in internal BMC emulation
  • SMBIOS support for “OEM Strings”, which can be used for automating guest image activation without relying on network-based querying
  • Disk cache information via virtio-balloon
  • ARM: AArch64 new instructions for FCMA/RDM and SIMD/FP16/crypto/complex number extensions
  • ARM: initial support for Raspberry Pi 3 machine type
  • ARM: Corex-M33/Armv8-M emulation via new mps2-an505 board and many other improvements for M profile emulation
  • HPPA: support for full machine emulation (hppa-softmmu)
  • PowerPC: PPC4xx emulation improvements, including I2C bus support
  • PowerPC: new Sam460ex machine type
  • PowerPC: significant TCG performance improvements
  • PowerPC: pseries: support for Spectre/Meltdown mitigations
  • RISC-V: new RISC-V target via “spike_v1.9.1”, “spike_v1.10”, and “virt” machine types
  • s390: non-virtual devices no longer require dedicated channel subsystem and guest support for multiple CSSs
  • s390: general PCI improvements, MSI-X support for virtio-pci devices
  • s390: improved TCG emulation support
  • s390: KVM support for systems larger than 7.999TB
  • SPARC: sun4u power device emulation
  • SPARC: improved trace-event support and emulation/debug fixes
  • Tricore: new instruction variants for JEQ/JNE and 64-bit MOV
  • x86: Intel IOMMU support for 48-bit addresses
  • Xtensa: backend now uses libisa for instruction decoding/disassebly
  • Xtensa: multi-threaded TCG support and noMMU configuration variants
  • and lots more…

Thank you to everyone involved!