Linux 5.7 Positioned To Retire ARM 32-bit KVM Virtualization Support
Written by Michael Larabel in Arm on 16 March 2020 at 10:00 AM EDT. 18 Comments
ARM --
The upcoming Linux 5.7 kernel is preparing to bid farewell to KVM virtualization support on 32-bit ARM architectures.

We've known this execution date was coming for a while and with this next kernel release they are set to drop 32-bit ARM support for the Kernel-based Virtual Machine. But dropping of this support is unlikely to be missed: 32-bit ARM never took off in the cloud with the lack of any ARM server platform at the time being widely deployed for a number of reasons. The few ARM server setups where KVM at one time or another was used have since transitioned to newer and much more powerful 64-bit ARM platforms, such as within build farms. In any recent times, the 32-bit ARM KVM support perhaps was only used by anyone tinkering with it on an aging ARM SBC but without any serious use-case for 32-bit ARM KVM.

As a final blow to the 32-bit KVM ARM prospects is Calxeda ARM server support being retired for that former 32-bit ARM server provider that went out of business six years ago.


So now ahead of the Linux 5.7 merge window coming up in a few weeks, pending is kvm-arm/goodbye that clears out all of the 32-bit KVM host support.
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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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