Intel's Cloud-Hypervisor 18.0 Brings AArch64 Improvements, VHDX Disk Image Support
Written by Michael Larabel in Virtualization on 9 September 2021 at 02:37 PM EDT. 6 Comments
VIRTUALIZATION --
The Intel-led open-source Cloud-Hypervisor project building off Linux's KVM (and also supporting Microsoft MSHV) and being cloud-focused and leveraging the Rust programming language for greater security is out with its newest major release.

Cloud-Hypervisor 18.0 was christened today as the newest version of this open-source Rust-based VMM. While originally x86_64 focused given Intel leading the project, in recent times there has been a lot of 64-bit ARM (AArch64) work contributed by Arm and other stakeholders. With Cloud-Hypervisor 18.0 there is now AArch64 support for VirtIO-MEM, CPU topology support, and power button support. Live migration support for AArch64 should also now be working.

Similarly, while started as a Linux-focused hypervisor on KVM, Microsoft has also been contributing work for their MSHV/Hyper-V support and Windows capabilities to Cloud-Hypervisor. With Cloud-Hypervisor 18.0 there is now live migration support under MSHV along with device pass-through support.

Cloud-Hypervisor 18.0 also has experimental user device support via VFIO-USER, migration support for VHOST-USER devices, VHDX disk image support, and a variety of fixes.

More details on the big Cloud-Hypervisor 18.0 release via GitHub.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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