RHEV/KVM: how are the CPU models mapped to the CPU flags?

Solution In Progress - Updated -

Issue

  • Where can I find the mapping between CPU models and flags for Virtualization?
  • How can I enabled or disable a specific feature/flag?
  • Which CPU flags are enabled when I select Sandy Bridge?
  • Which CPU flags are enabled when I select Haswell?
  • Which CPU flags are enabled when I select Broadwell?
  • Which CPU flags are enabled when I select Opteron_G5?

Environment

  • Red Hat Virtualization 4
  • Red Hat Enterprise Virtualization 3
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 6
    • libvirt
    • qemu-kvm

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.

Current Customers and Partners

Log in for full access

Log In
Close

Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.