Xen Hypervisor 4.10 Released With Centriq and ThunderX Support, New Intel Features
Written by Michael Larabel in Virtualization on 14 December 2017 at 08:15 AM EST. 2 Comments
VIRTUALIZATION --
The Xen Project has announced version 4.10 of their open-source hypervisor. Xen 4.10 aims for better security, architectural improvements, better documentation, and more.

Among the changes with Xen Hypervisor 4.10 are:

- NUMA-aware scheduling for their "Credit 2" scheduler.

- Support for users to set a maximum amount of CPU a VM can consume.

- Improvements to its "Null" scheduler.

- Better virtual machine introspection.

- Support for PV Calls with the back-end driver added in Linux 4.14.

- User-interface improvements.

- Qualcomm Centriq 2400 and Cavium ThunderX ARM CPU support.

- There's also now support for GRUB2 on 64-bit ARMv8-A, ARM ITS (Interrupt Translation Service), and SBSA UART emulation.

- Restructuring the x86 hypervisor code to reduce attack surfaces and make the code cleaner.

- Intel UMIP (User Mode Instruction Prevention) and LMCE (Local Machine Check Exception) support. There's also Intel support for L2 Cache Allocation Technology (CAT).

More details on the Xen Hypervisor 4.10 release at XenProject.org.

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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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