QEMU 2.7.0 Open-Source Hypervisor Adds Support for Xen Paravirtualized USB, More

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  • Post Updated: April 3, 2024

A new stable version of the popular QEMU open-source hosted hypervisor, namely version 2.7.0, has been recently released, and it contains over 2,200 commits from 189 authors.

Release highlights of QEMU 2.7.0 include support for Xen paravirtualized USB, multiqueue support for virtio-blk devices, live migration support for virtio-gpu 2D displays, busy-polling support for virtio-net and vhost-net devices, as well as VFIO passthrough support for Intel integrated GPUs (Graphics Processing Units).

Moreover, there’s a new management interface to improve CPU (Central Processing Unit) hot plug and unplug, performance improvements to the TCG emulation, making it up to 20% faster, user-mode networking support for RDNSS, DNS6, DHCPv6, and link-local DNS addresses, and support for creating user-mode emulation docker images.

Improved support for ARM, PowerPC, and x86 hardware architectur… (read more)

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