Jailhouse Guest Support To Be Included With Linux 4.16
Written by Michael Larabel in Linux Kernel on 29 January 2018 at 02:25 PM EST. 27 Comments
With Linux 4.16 is initial support for the Jailhouse hypervisor to support native Linux guests in non-root cells.

The past half-decade Siemens has been developing the Jailhouse partitioning hypervisor that is lighter than KVM and designed for their demanding, real-time, safety and security critical workloads. With Linux 4.16 the first bits of it are being mainlined in the Linux kernel in the form of the new JAILHOUSE_GUEST option to allow non-root cells to let Linux run as a guest.

Earlier this month I outlined the Jailhouse guest support back when it was being queued in the -next tree. Now today this Jailhouse support was sent in as part of the x86/platform updates for the Linux 4.16 merge window.

The x86 platform update also consists of UV platform updates for supporting new CPUs and various other updates.

Those interested in learning more about Jailhouse can do so via the GitHub project site.
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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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