Linux 3.20 To Land VirtIO 1.0 Implementation
Written by Michael Larabel in Linux Kernel on 18 February 2015 at 12:29 AM EST. 1 Comment
LINUX KERNEL --
The next version of the Linux kernel, which will be known as Linux 3.20 or Linux 4.0, will land VirtIO 1.0 support.

As announced by Rusty Russell with the newest virtio-next pull request, "OK, this has the big virtio 1.0 implementation, as specified by OASIS. On top of that is the major rework of lguest, to use PCI and virtio 1.0, to double-check the implementation. Then comes the inevitable fixes and cleanups from that work."

For those unfamiliar with the VirtIO 1.0 implementation see the OASIS specification, "This document describes the specifications of the 'virtio' family of devices. These devices are found in virtual environments, yet by design they are not all that different from physical devices, and this document treats them as such. This allows the guest to use standard drivers and discovery mechanisms. The purpose of virtio and this specification is that virtual environments and guests should have a straightforward, efficient, standard and extensible mechanism for virtual devices, rather than boutique per-environment or per-OS mechanisms."

This VirtIO 1.0 support is on top of many other changes and new features coming to this next Linux kernel release.
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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 10,000 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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