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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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Cyberus Develops Open-Source KVM Backend For VirtualBox (www.phoronix.com)

submitted 9 months ago by KarnaSubarna@lemmy.ml to c/linux@lemmy.ml

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Making use of Linux's Kernel-based Virtual Machine (KVM) opens up new possibilities while users can still enjoy the VirtualBox VMM itself. The KVM support is part of the mainline kernel so there is less worries with not having to use the VirtualBox kernel driver, KVM tends to support new features quite quickly, and tends to be more actively developed than VirtualBox and is embraced by a range of organizations. Early users of this backend by Cyberus customers are said to be experiencing better performance too.

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[–] KarnaSubarna@lemmy.ml 30 points 9 months ago

Known issues and limitations

Currently, Intel x86_64 is the only supported host platform.
    AMD will most likely work too but is considered experimental at the moment.
Linux is required as a host operating system for building and running VirtualBox KVM.
Starting with Intel Tiger Lake (11th Gen Core processors) or newer, split lock detection must be turned off in the host system. This can be achieved using the Linux kernel command line parameter split_lock_detect=off or using the split_lock_mitigate sysctl.

Source: https://github.com/cyberus-technology/virtualbox-kvm