Guest systems sees CPU of the Host

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Probably related to spectre/meltdown alike CPU bugs.

libvirt-dist/usr/share/libvirt-dist/xml/Whonix-Workstation.xml at master · Kicksecure/libvirt-dist · GitHub

  <cpu mode='host-passthrough'/>

  <vcpu placement='static' cpuset='1'>1</vcpu>

Quote Should all kernel patches for CPU bugs be unconditionally enabled? Vs Performance vs Applicability - #7 by Patrick

HulaHoop changed Whonix KVM to host-passthrough :

KVM CPU masking got proverbially killed by specture/meltdown CPU bugs. CPU masking can no longer be recommended due the CPU bugs.

Qubes has the same issue. → Technical Challenges

related:

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