KVM Brings Some Improvements To Linux 3.20

Paolo Bonzini has sent in the KVM pull request for the Linux 3.20 kernel and it includes some interesting changes and features for this important piece of the open-source Linux virtualization stack.

Highlights of the Kernel-based Virtual Machine (KVM) updates for Linux 3.20 include:

– A new optional feature to add a small amount of polling on each executed HLT instruction in the guest, for improving latency by up to 50% for some scenarios.

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