# File lib/vagrant-libvirt/config.rb, line 336
      def cpu_feature(options = {})
        if options[:name].nil? || options[:policy].nil?
          raise 'CPU Feature name AND policy must be specified'
        end

        @cpu_features = [] if @cpu_features == UNSET_VALUE

        @cpu_features.push(name:   options[:name],
                           policy: options[:policy])
      end