Intel-Led Cloud-Hypervisor 24 Released For Rust-Written VMM
Written by Michael Larabel in Virtualization on 26 May 2022 at 12:00 AM EDT. Add A Comment
VIRTUALIZATION --
Cloud-Hypervisor as the open-source, Rust-based virtual machine monitor with a focus on security is out with its latest feature release. Cloud-Hypervisor started as one of many Intel open-source projects that last year shifted to under the Linux Foundation umbrella but still sees contributions from Intel as well as other industry leaders like Microsoft and Arm. Cloud-Hypervisor 24.0 is the newest version of this Rust VMM

Cloud-Hypervisor 24.0 introduces a bypass mode for VirtIO-IOMMU for dealing with booting a VM with guest software that doesn't support VirtIO-IOMMU but still needs to access the device. Cloud-Hypervisor 24.0 also has work on ensuring identifier uniqueness, sparse mmap support for VFIO and VFIO-user devices, support to load the kernel asynchronously, and support for exposing a platform serial number via SMBIOS to guests.

Cloud-Hypervisor 24.0 also has fixes around loading RAW firmware, addressing possible mmap leaks from VFIO/vfio-user MMIO regions, and more.


Downloads and more details on Cloud-Hypervisor 24.0 via GitHub. Intel engineers continued contributing heavily to this release along with multiple engineers from Microsoft and other parties.
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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, LinkedIn, or contacted via MichaelLarabel.com.

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