I was taking a look to "virsh capabilities" output (see below) on s390x, which doesn't advertise acpi support, this is correct.

# virsh capabilities
<capabilities>

  <host>
    <uuid>94c32186-79cc-471e-909a-9fd63cc039c2</uuid>
    <cpu>
      <arch>s390x</arch>
      <topology sockets='1' dies='1' cores='8' threads='1'/>
      <pages unit='KiB' size='4'/>
      <pages unit='KiB' size='1024'/>
    </cpu>
    <power_management/>
    <iommu support='no'/>
    <migration_features>
      <live/>
      <uri_transports>
        <uri_transport>tcp</uri_transport>
        <uri_transport>rdma</uri_transport>
      </uri_transports>
    </migration_features>
    <topology>
      <cells num='1'>
        <cell id='0'>
          <memory unit='KiB'>20321928</memory>
          <pages unit='KiB' size='4'>5080482</pages>
          <pages unit='KiB' size='1024'>0</pages>
          <distances>
            <sibling id='0' value='10'/>
          </distances>
          <cpus num='8'>
            <cpu id='0' socket_id='2' die_id='0' core_id='0' siblings='0-1'/>
            <cpu id='1' socket_id='2' die_id='0' core_id='0' siblings='0-1'/>
            <cpu id='2' socket_id='2' die_id='0' core_id='1' siblings='2-3'/>
            <cpu id='3' socket_id='2' die_id='0' core_id='1' siblings='2-3'/>
            <cpu id='4' socket_id='3' die_id='0' core_id='2' siblings='4-5'/>
            <cpu id='5' socket_id='3' die_id='0' core_id='2' siblings='4-5'/>
            <cpu id='6' socket_id='3' die_id='0' core_id='3' siblings='6-7'/>
            <cpu id='7' socket_id='3' die_id='0' core_id='3' siblings='6-7'/>
          </cpus>
        </cell>
      </cells>
    </topology>
    <secmodel>
      <model>apparmor</model>
      <doi>0</doi>
    </secmodel>
    <secmodel>
      <model>dac</model>
      <doi>0</doi>
      <baselabel type='kvm'>+64055:+108</baselabel>
      <baselabel type='qemu'>+64055:+108</baselabel>
    </secmodel>
  </host>

  <guest>
    <os_type>hvm</os_type>
    <arch name='s390x'>
      <wordsize>64</wordsize>
      <emulator>/usr/bin/qemu-system-s390x</emulator>
      <machine maxCpus='248'>s390-ccw-virtio-mantic</machine>
      <machine canonical='s390-ccw-virtio-mantic' maxCpus='248'>s390-ccw-virtio</machine>
      <machine maxCpus='248'>s390-ccw-virtio-7.2</machine>
      <machine maxCpus='248'>s390-ccw-virtio-kinetic</machine>
      <machine maxCpus='248'>s390-ccw-virtio-4.0</machine>
      <machine maxCpus='248'>s390-ccw-virtio-artful</machine>
      <machine maxCpus='248'>s390-ccw-virtio-5.2</machine>
      <machine maxCpus='248'>s390-ccw-virtio-3.1</machine>
      <machine maxCpus='248'>s390-ccw-virtio-groovy</machine>
      <machine maxCpus='248'>s390-ccw-virtio-hirsute</machine>
      <machine maxCpus='248'>s390-ccw-virtio-2.12</machine>
      <machine maxCpus='248'>s390-ccw-virtio-disco</machine>
      <machine maxCpus='248'>s390-ccw-virtio-yakkety</machine>
      <machine maxCpus='248'>s390-ccw-virtio-2.6</machine>
      <machine maxCpus='248'>s390-ccw-virtio-eoan</machine>
      <machine maxCpus='248'>s390-ccw-virtio-2.9</machine>
      <machine maxCpus='248'>s390-ccw-virtio-8.0</machine>
      <machine maxCpus='248'>s390-ccw-virtio-6.0</machine>
      <machine maxCpus='248'>s390-ccw-virtio-7.1</machine>
      <machine maxCpus='248'>s390-ccw-virtio-5.1</machine>
      <machine maxCpus='248'>s390-ccw-virtio-3.0</machine>
      <machine maxCpus='248'>s390-ccw-virtio-4.2</machine>
      <machine maxCpus='248'>s390-ccw-virtio-2.5</machine>
      <machine maxCpus='248'>s390-ccw-virtio-2.11</machine>
      <machine maxCpus='248'>s390-ccw-virtio-xenial</machine>
      <machine maxCpus='248'>s390-ccw-virtio-focal</machine>
      <machine maxCpus='248'>s390-ccw-virtio-2.8</machine>
      <machine maxCpus='248'>s390-ccw-virtio-impish</machine>
      <machine maxCpus='248'>s390-ccw-virtio-2.12</machine>
      <machine maxCpus='248'>s390-ccw-virtio-disco</machine>
      <machine maxCpus='248'>s390-ccw-virtio-yakkety</machine>
      <machine maxCpus='248'>s390-ccw-virtio-2.6</machine>
      <machine maxCpus='248'>s390-ccw-virtio-eoan</machine>
      <machine maxCpus='248'>s390-ccw-virtio-2.9</machine>
      <machine maxCpus='248'>s390-ccw-virtio-8.0</machine>
      <machine maxCpus='248'>s390-ccw-virtio-6.0</machine>
      <machine maxCpus='248'>s390-ccw-virtio-7.1</machine>
      <machine maxCpus='248'>s390-ccw-virtio-5.1</machine>
      <machine maxCpus='248'>s390-ccw-virtio-3.0</machine>
      <machine maxCpus='248'>s390-ccw-virtio-4.2</machine>
      <machine maxCpus='248'>s390-ccw-virtio-2.5</machine>
      <machine maxCpus='248'>s390-ccw-virtio-2.11</machine>
      <machine maxCpus='248'>s390-ccw-virtio-xenial</machine>
      <machine maxCpus='248'>s390-ccw-virtio-focal</machine>
      <machine maxCpus='248'>s390-ccw-virtio-2.8</machine>
      <machine maxCpus='248'>s390-ccw-virtio-impish</machine>
      <machine maxCpus='248'>s390-ccw-virtio-bionic</machine>
      <machine maxCpus='248'>s390-ccw-virtio-7.0</machine>
      <machine maxCpus='248'>s390-ccw-virtio-5.0</machine>
      <machine maxCpus='248'>s390-ccw-virtio-6.2</machine>
      <machine maxCpus='248'>s390-ccw-virtio-zesty</machine>
      <machine maxCpus='248'>s390-ccw-virtio-4.1</machine>
      <machine maxCpus='248'>s390-ccw-virtio-cosmic</machine>
      <machine maxCpus='248'>s390-ccw-virtio-2.4</machine>
      <machine maxCpus='248'>s390-ccw-virtio-2.10</machine>
      <machine maxCpus='248'>s390-ccw-virtio-lunar</machine>
      <machine maxCpus='248'>s390-ccw-virtio-2.7</machine>
      <machine maxCpus='248'>s390-ccw-virtio-jammy</machine>
      <machine maxCpus='248'>s390-ccw-virtio-6.1</machine>
      <domain type='qemu'/>
      <domain type='kvm'/>
    </arch>
    <features>
      <cpuselection/>
      <deviceboot/>
      <disksnapshot default='on' toggle='no'/>
    </features>
  </guest>

</capabilities>