What does the '-M' parameter in the qemu-kvm command signify?

Solution Unverified - Updated -

Issue

  • What does the '-M' parameter in the qemu-kvm command signify?
  • It sounds reasonable for a RHEL KVM guest to have machine='rhel5.4.0' in its XML configuration file,but why does a windows 2008 KVM guest also have machine='rhel5.4.0' in its XML configuration file?
<os>
<type arch='x86_64' machine='rhel5.4.0'>hvm</type>
<boot dev='hd'/>
</os>

Environment

  • Red Hat Enterprise Linux (RHEL) 5
  • Red Hat Enterprise Linux (RHEL) 6
  • KVM

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